* installing to library ‘/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages’
* installing *source* package ‘igraph’ ...
** package ‘igraph’ successfully unpacked and MD5 sums checked
** using staged installation
libxml2 include directories: -I/usr/include/libxml2
libxml2 library link flags: -lxml2
Using installed GLPK
** libs
using C compiler: ‘gcc-13 (Debian 13.2.0-13) 13.2.0’
using C++ compiler: ‘g++-13 (Debian 13.2.0-13) 13.2.0’
make[1]: Entering directory '/tmp/RtmpqazjZx/R.INSTALL32b5d33f3e47c2/igraph/src'
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c cpp11.cpp -o cpp11.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c cpprinterface.cpp -o cpprinterface.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c init.cpp -o init.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c lazyeval.c -o lazyeval.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c rinterface.c -o rinterface.o
In file included from rinterface.c:25:
rinterface.c: In function ‘R_igraph_fundamental_cycles’:
rinterface.c:10929:18: warning: ‘c_start’ may be used uninitialized [-Wmaybe-uninitialized]
10929 |   IGRAPH_R_CHECK(igraph_fundamental_cycles(&c_graph, &c_basis, (Rf_isNull(start) ? 0 : c_start), c_bfs_cutoff, (Rf_isNull(weights) ? 0 : &c_weights)));
      |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
rinterface.h:116:35: note: in definition of macro ‘IGRAPH_R_CHECK’
  116 |         igraph_error_type_t __c = func; \
      |                                   ^~~~
rinterface.c:10910:20: note: ‘c_start’ was declared here
10910 |   igraph_integer_t c_start;
      |                    ^~~~~~~
rinterface.c: In function ‘R_igraph_random_spanning_tree’:
rinterface.c:11195:18: warning: ‘c_vid’ may be used uninitialized [-Wmaybe-uninitialized]
11195 |   IGRAPH_R_CHECK(igraph_random_spanning_tree(&c_graph, &c_res, (Rf_isNull(vid) ? 0 : c_vid)));
      |                  ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
rinterface.h:116:35: note: in definition of macro ‘IGRAPH_R_CHECK’
  116 |         igraph_error_type_t __c = func; \
      |                                   ^~~~
rinterface.c:11181:20: note: ‘c_vid’ was declared here
11181 |   igraph_integer_t c_vid;
      |                    ^~~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c rinterface_extra.c -o rinterface_extra.o
rinterface_extra.c: In function ‘R_SEXP_to_attr_comb’:
rinterface_extra.c:277:12: warning: ISO C forbids conversion of object pointer to function pointer type [-Wpedantic]
  277 |       func=(igraph_function_pointer_t) (void*) VECTOR_ELT(input, i);
      |            ^
rinterface_extra.c: In function ‘R_igraph_attribute_combine_vertices’:
rinterface_extra.c:1886:21: warning: ISO C forbids conversion of function pointer to object pointer type [-Wpedantic]
 1886 |       func = (SEXP) (void*) voidfunc;
      |                     ^
rinterface_extra.c: In function ‘R_igraph_attribute_combine_edges’:
rinterface_extra.c:2052:21: warning: ISO C forbids conversion of function pointer to object pointer type [-Wpedantic]
 2052 |       func = (SEXP) (void*) voidfunc;
      |                     ^
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c rrandom.c -o rrandom.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c simpleraytracer.cpp -o simpleraytracer.o
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dgetv0.f -o vendor/arpack/dgetv0.o
vendor/arpack/dgetv0.f:120:26:

  120 |      &   ( ido, bmat, itry, initv, n, j, v, ldv, resid, rnorm,
      |                          1
Warning: Unused dummy argument ‘itry’ at (1) [-Wunused-dummy-argument]
stat.h:8:35:

Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
stat.h:8:39:

Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
vendor/arpack/dgetv0.f:269:72:

  269 |          tmvopx = tmvopx + (t3 - t2)
      |                                                                        ^
Warning: ‘t2’ may be used uninitialized [-Wmaybe-uninitialized]
stat.h:8:27:

note: ‘t2’ declared here
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dlaqrb.f -o vendor/arpack/dlaqrb.o
vendor/arpack/dlaqrb.f:495:16:

  495 |             if( i2.gt.i )
      |                ^
Warning: ‘i2’ may be used uninitialized [-Wmaybe-uninitialized]
vendor/arpack/dlaqrb.f:141:26:

  141 |       integer    i, i1, i2, itn, its, j, k, l, m, nh, nr
      |                          ^
note: ‘i2’ was declared here
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dmout.f -o vendor/arpack/dmout.o
vendor/arpack/dmout.f:21:43:

   21 |       SUBROUTINE IGRAPHDMOUT( LOUT, M, N, A, LDA, IDIGIT, IFMT )
      |                                           1
Warning: Unused dummy argument ‘a’ at (1) [-Wunused-dummy-argument]
vendor/arpack/dmout.f:35:26:

   35 |       INTEGER            I, J, K1, K2, LLL, NDIGIT
      |                          1
Warning: Unused variable ‘i’ declared at (1) [-Wunused-variable]
vendor/arpack/dmout.f:21:56:

   21 |       SUBROUTINE IGRAPHDMOUT( LOUT, M, N, A, LDA, IDIGIT, IFMT )
      |                                                        1
Warning: Unused dummy argument ‘idigit’ at (1) [-Wunused-dummy-argument]
vendor/arpack/dmout.f:21:62:

   21 |       SUBROUTINE IGRAPHDMOUT( LOUT, M, N, A, LDA, IDIGIT, IFMT )
      |                                                              1
Warning: Unused dummy argument ‘ifmt’ at (1) [-Wunused-dummy-argument]
vendor/arpack/dmout.f:35:29:

   35 |       INTEGER            I, J, K1, K2, LLL, NDIGIT
      |                             1
Warning: Unused variable ‘j’ declared at (1) [-Wunused-variable]
vendor/arpack/dmout.f:35:33:

   35 |       INTEGER            I, J, K1, K2, LLL, NDIGIT
      |                                 1
Warning: Unused variable ‘k1’ declared at (1) [-Wunused-variable]
vendor/arpack/dmout.f:35:37:

   35 |       INTEGER            I, J, K1, K2, LLL, NDIGIT
      |                                     1
Warning: Unused variable ‘k2’ declared at (1) [-Wunused-variable]
vendor/arpack/dmout.f:34:29:

   34 |       CHARACTER*80       LINE
      |                             1
Warning: Unused variable ‘line’ declared at (1) [-Wunused-variable]
vendor/arpack/dmout.f:35:42:

   35 |       INTEGER            I, J, K1, K2, LLL, NDIGIT
      |                                          1
Warning: Unused variable ‘lll’ declared at (1) [-Wunused-variable]
vendor/arpack/dmout.f:21:34:

   21 |       SUBROUTINE IGRAPHDMOUT( LOUT, M, N, A, LDA, IDIGIT, IFMT )
      |                                  1
Warning: Unused dummy argument ‘lout’ at (1) [-Wunused-dummy-argument]
vendor/arpack/dmout.f:21:37:

   21 |       SUBROUTINE IGRAPHDMOUT( LOUT, M, N, A, LDA, IDIGIT, IFMT )
      |                                     1
Warning: Unused dummy argument ‘m’ at (1) [-Wunused-dummy-argument]
vendor/arpack/dmout.f:21:40:

   21 |       SUBROUTINE IGRAPHDMOUT( LOUT, M, N, A, LDA, IDIGIT, IFMT )
      |                                        1
Warning: Unused dummy argument ‘n’ at (1) [-Wunused-dummy-argument]
vendor/arpack/dmout.f:35:50:

   35 |       INTEGER            I, J, K1, K2, LLL, NDIGIT
      |                                                  1
Warning: Unused variable ‘ndigit’ declared at (1) [-Wunused-variable]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dnaitr.f -o vendor/arpack/dnaitr.o
vendor/arpack/dnaitr.f:210:33:

  210 |      &   (ido, bmat, n, k, np, nb, resid, rnorm, v, ldv, h, ldh,
      |                                 1
Warning: Unused dummy argument ‘nb’ at (1) [-Wunused-dummy-argument]
vendor/arpack/dnaitr.f:494:72:

  494 |          tmvopx = tmvopx + (t3 - t2)
      |                                                                        ^
Warning: ‘t2’ may be used uninitialized [-Wmaybe-uninitialized]
stat.h:8:27:

note: ‘t2’ declared here
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dnapps.f -o vendor/arpack/dnapps.o
stat.h:8:27:

Warning: Unused variable ‘t2’ declared at (1) [-Wunused-variable]
stat.h:8:31:

Warning: Unused variable ‘t3’ declared at (1) [-Wunused-variable]
stat.h:8:35:

Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
stat.h:8:39:

Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dnaup2.f -o vendor/arpack/dnaup2.o
vendor/arpack/dnaup2.f:315:5:

  315 |    10 continue
      |     1
Warning: Label 10 at (1) defined but not used [-Wunused-label]
vendor/arpack/dnaup2.f:175:63:

  175 |      &   ( ido, bmat, n, which, nev, np, tol, resid, mode, iupd,
      |                                                               1
Warning: Unused dummy argument ‘iupd’ at (1) [-Wunused-dummy-argument]
stat.h:8:35:

Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
stat.h:8:39:

Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dnaupd.f -o vendor/arpack/dnaupd.o
vendor/arpack/dnaupd.f:541:25:

  541 |          if (nb .le. 0)                         nb = 1
      |                         1~~~~~~~
Warning: Nonconforming tab character at (1) [-Wtabs]
vendor/arpack/dnaupd.f:542:29:

  542 |          if (tol .le. zero)                     tol = dlamch('EpsMach')
      |                                 1~~~~~~~
Warning: Nonconforming tab character at (1) [-Wtabs]
stat.h:8:27:

Warning: Unused variable ‘t2’ declared at (1) [-Wunused-variable]
stat.h:8:31:

Warning: Unused variable ‘t3’ declared at (1) [-Wunused-variable]
stat.h:8:35:

Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
stat.h:8:39:

Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dnconv.f -o vendor/arpack/dnconv.o
stat.h:8:27:

Warning: Unused variable ‘t2’ declared at (1) [-Wunused-variable]
stat.h:8:31:

Warning: Unused variable ‘t3’ declared at (1) [-Wunused-variable]
stat.h:8:35:

Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
stat.h:8:39:

Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dneigh.f -o vendor/arpack/dneigh.o
stat.h:8:27:

Warning: Unused variable ‘t2’ declared at (1) [-Wunused-variable]
stat.h:8:31:

Warning: Unused variable ‘t3’ declared at (1) [-Wunused-variable]
stat.h:8:35:

Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
stat.h:8:39:

Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dneupd.f -o vendor/arpack/dneupd.o
stat.h:8:19:

Warning: Unused variable ‘t0’ declared at (1) [-Wunused-variable]
stat.h:8:23:

Warning: Unused variable ‘t1’ declared at (1) [-Wunused-variable]
stat.h:8:27:

Warning: Unused variable ‘t2’ declared at (1) [-Wunused-variable]
stat.h:8:31:

Warning: Unused variable ‘t3’ declared at (1) [-Wunused-variable]
stat.h:8:35:

Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
stat.h:8:39:

Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
vendor/arpack/dneupd.f:537:72:

  537 |      &           '_neupd: Threshold eigenvalue used for re-ordering')
      |                                                                        ^
Warning: ‘thres’ may be used uninitialized [-Wmaybe-uninitialized]
vendor/arpack/dneupd.f:347:47:

  347 |      &           conds, rnorm, sep, temp, thres, vl(1,1), temp1, eps23
      |                                               ^
note: ‘thres’ was declared here
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dngets.f -o vendor/arpack/dngets.o
vendor/arpack/dngets.f:96:33:

   96 |      &     bounds, shiftr, shifti )
      |                                 1
Warning: Unused dummy argument ‘shifti’ at (1) [-Wunused-dummy-argument]
vendor/arpack/dngets.f:96:25:

   96 |      &     bounds, shiftr, shifti )
      |                         1
Warning: Unused dummy argument ‘shiftr’ at (1) [-Wunused-dummy-argument]
stat.h:8:27:

Warning: Unused variable ‘t2’ declared at (1) [-Wunused-variable]
stat.h:8:31:

Warning: Unused variable ‘t3’ declared at (1) [-Wunused-variable]
stat.h:8:35:

Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
stat.h:8:39:

Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dsaitr.f -o vendor/arpack/dsaitr.o
vendor/arpack/dsaitr.f:484:72:

  484 |          tmvopx = tmvopx + (t3 - t2)
      |                                                                        ^
Warning: ‘t2’ may be used uninitialized [-Wmaybe-uninitialized]
stat.h:8:27:

note: ‘t2’ declared here
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dsapps.f -o vendor/arpack/dsapps.o
stat.h:8:27:

Warning: Unused variable ‘t2’ declared at (1) [-Wunused-variable]
stat.h:8:31:

Warning: Unused variable ‘t3’ declared at (1) [-Wunused-variable]
stat.h:8:35:

Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
stat.h:8:39:

Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dsaup2.f -o vendor/arpack/dsaup2.o
vendor/arpack/dsaup2.f:812:5:

  812 |   130    continue
      |     1
Warning: Label 130 at (1) defined but not used [-Wunused-label]
vendor/arpack/dsaup2.f:326:5:

  326 |    10 continue
      |     1
Warning: Label 10 at (1) defined but not used [-Wunused-label]
vendor/arpack/dsaup2.f:180:63:

  180 |      &   ( ido, bmat, n, which, nev, np, tol, resid, mode, iupd,
      |                                                               1
Warning: Unused dummy argument ‘iupd’ at (1) [-Wunused-dummy-argument]
stat.h:8:35:

Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
stat.h:8:39:

Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dsaupd.f -o vendor/arpack/dsaupd.o
stat.h:8:27:

Warning: Unused variable ‘t2’ declared at (1) [-Wunused-variable]
stat.h:8:31:

Warning: Unused variable ‘t3’ declared at (1) [-Wunused-variable]
stat.h:8:35:

Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
stat.h:8:39:

Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dsconv.f -o vendor/arpack/dsconv.o
stat.h:8:27:

Warning: Unused variable ‘t2’ declared at (1) [-Wunused-variable]
stat.h:8:31:

Warning: Unused variable ‘t3’ declared at (1) [-Wunused-variable]
stat.h:8:35:

Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
stat.h:8:39:

Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dseigt.f -o vendor/arpack/dseigt.o
vendor/arpack/dseigt.f:124:18:

  124 |       integer    i, k, msglvl
      |                  1
Warning: Unused variable ‘i’ declared at (1) [-Wunused-variable]
stat.h:8:27:

Warning: Unused variable ‘t2’ declared at (1) [-Wunused-variable]
stat.h:8:31:

Warning: Unused variable ‘t3’ declared at (1) [-Wunused-variable]
stat.h:8:35:

Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
stat.h:8:39:

Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dsesrt.f -o vendor/arpack/dsesrt.o
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dseupd.f -o vendor/arpack/dseupd.o
stat.h:8:19:

Warning: Unused variable ‘t0’ declared at (1) [-Wunused-variable]
stat.h:8:23:

Warning: Unused variable ‘t1’ declared at (1) [-Wunused-variable]
stat.h:8:27:

Warning: Unused variable ‘t2’ declared at (1) [-Wunused-variable]
stat.h:8:31:

Warning: Unused variable ‘t3’ declared at (1) [-Wunused-variable]
stat.h:8:35:

Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
stat.h:8:39:

Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
vendor/arpack/dseupd.f:557:49:

  557 |                if ( workl(irz+j) .le. thres1 .or.
      |                                                 ^
Warning: ‘thres1’ may be used uninitialized [-Wmaybe-uninitialized]
vendor/arpack/dseupd.f:259:44:

  259 |      &           bnorm2, rnorm, temp, thres1, thres2, tempbnd, eps23
      |                                            ^
note: ‘thres1’ was declared here
vendor/arpack/dseupd.f:557:49:

  557 |                if ( workl(irz+j) .le. thres1 .or.
      |                                                 ^
Warning: ‘thres2’ may be used uninitialized [-Wmaybe-uninitialized]
vendor/arpack/dseupd.f:259:52:

  259 |      &           bnorm2, rnorm, temp, thres1, thres2, tempbnd, eps23
      |                                                    ^
note: ‘thres2’ was declared here
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dsgets.f -o vendor/arpack/dsgets.o
stat.h:8:27:

Warning: Unused variable ‘t2’ declared at (1) [-Wunused-variable]
stat.h:8:31:

Warning: Unused variable ‘t3’ declared at (1) [-Wunused-variable]
stat.h:8:35:

Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
stat.h:8:39:

Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dsortc.f -o vendor/arpack/dsortc.o
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dsortr.f -o vendor/arpack/dsortr.o
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dstatn.f -o vendor/arpack/dstatn.o
stat.h:8:19:

Warning: Unused variable ‘t0’ declared at (1) [-Wunused-variable]
stat.h:8:23:

Warning: Unused variable ‘t1’ declared at (1) [-Wunused-variable]
stat.h:8:27:

Warning: Unused variable ‘t2’ declared at (1) [-Wunused-variable]
stat.h:8:31:

Warning: Unused variable ‘t3’ declared at (1) [-Wunused-variable]
stat.h:8:35:

Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
stat.h:8:39:

Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dstats.f -o vendor/arpack/dstats.o
stat.h:8:19:

Warning: Unused variable ‘t0’ declared at (1) [-Wunused-variable]
stat.h:8:23:

Warning: Unused variable ‘t1’ declared at (1) [-Wunused-variable]
stat.h:8:27:

Warning: Unused variable ‘t2’ declared at (1) [-Wunused-variable]
stat.h:8:31:

Warning: Unused variable ‘t3’ declared at (1) [-Wunused-variable]
stat.h:8:35:

Warning: Unused variable ‘t4’ declared at (1) [-Wunused-variable]
stat.h:8:39:

Warning: Unused variable ‘t5’ declared at (1) [-Wunused-variable]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dstqrb.f -o vendor/arpack/dstqrb.o
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/dvout.f -o vendor/arpack/dvout.o
vendor/arpack/dvout.f:32:26:

   32 |       INTEGER            I, K1, K2, LLL, NDIGIT
      |                          1
Warning: Unused variable ‘i’ declared at (1) [-Wunused-variable]
vendor/arpack/dvout.f:18:49:

   18 |       SUBROUTINE IGRAPHDVOUT( LOUT, N, SX, IDIGIT, IFMT )
      |                                                 1
Warning: Unused dummy argument ‘idigit’ at (1) [-Wunused-dummy-argument]
vendor/arpack/dvout.f:18:55:

   18 |       SUBROUTINE IGRAPHDVOUT( LOUT, N, SX, IDIGIT, IFMT )
      |                                                       1
Warning: Unused dummy argument ‘ifmt’ at (1) [-Wunused-dummy-argument]
vendor/arpack/dvout.f:32:30:

   32 |       INTEGER            I, K1, K2, LLL, NDIGIT
      |                              1
Warning: Unused variable ‘k1’ declared at (1) [-Wunused-variable]
vendor/arpack/dvout.f:32:34:

   32 |       INTEGER            I, K1, K2, LLL, NDIGIT
      |                                  1
Warning: Unused variable ‘k2’ declared at (1) [-Wunused-variable]
vendor/arpack/dvout.f:31:29:

   31 |       CHARACTER*80       LINE
      |                             1
Warning: Unused variable ‘line’ declared at (1) [-Wunused-variable]
vendor/arpack/dvout.f:32:39:

   32 |       INTEGER            I, K1, K2, LLL, NDIGIT
      |                                       1
Warning: Unused variable ‘lll’ declared at (1) [-Wunused-variable]
vendor/arpack/dvout.f:18:34:

   18 |       SUBROUTINE IGRAPHDVOUT( LOUT, N, SX, IDIGIT, IFMT )
      |                                  1
Warning: Unused dummy argument ‘lout’ at (1) [-Wunused-dummy-argument]
vendor/arpack/dvout.f:18:37:

   18 |       SUBROUTINE IGRAPHDVOUT( LOUT, N, SX, IDIGIT, IFMT )
      |                                     1
Warning: Unused dummy argument ‘n’ at (1) [-Wunused-dummy-argument]
vendor/arpack/dvout.f:32:47:

   32 |       INTEGER            I, K1, K2, LLL, NDIGIT
      |                                               1
Warning: Unused variable ‘ndigit’ declared at (1) [-Wunused-variable]
vendor/arpack/dvout.f:18:41:

   18 |       SUBROUTINE IGRAPHDVOUT( LOUT, N, SX, IDIGIT, IFMT )
      |                                         1
Warning: Unused dummy argument ‘sx’ at (1) [-Wunused-dummy-argument]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/ivout.f -o vendor/arpack/ivout.o
vendor/arpack/ivout.f:25:18:

   25 |       INTEGER    I, NDIGIT, K1, K2, LLL
      |                  1
Warning: Unused variable ‘i’ declared at (1) [-Wunused-variable]
vendor/arpack/ivout.f:18:49:

   18 |       SUBROUTINE IGRAPHIVOUT (LOUT, N, IX, IDIGIT, IFMT)
      |                                                 1
Warning: Unused dummy argument ‘idigit’ at (1) [-Wunused-dummy-argument]
vendor/arpack/ivout.f:18:55:

   18 |       SUBROUTINE IGRAPHIVOUT (LOUT, N, IX, IDIGIT, IFMT)
      |                                                       1
Warning: Unused dummy argument ‘ifmt’ at (1) [-Wunused-dummy-argument]
vendor/arpack/ivout.f:18:41:

   18 |       SUBROUTINE IGRAPHIVOUT (LOUT, N, IX, IDIGIT, IFMT)
      |                                         1
Warning: Unused dummy argument ‘ix’ at (1) [-Wunused-dummy-argument]
vendor/arpack/ivout.f:25:30:

   25 |       INTEGER    I, NDIGIT, K1, K2, LLL
      |                              1
Warning: Unused variable ‘k1’ declared at (1) [-Wunused-variable]
vendor/arpack/ivout.f:25:34:

   25 |       INTEGER    I, NDIGIT, K1, K2, LLL
      |                                  1
Warning: Unused variable ‘k2’ declared at (1) [-Wunused-variable]
vendor/arpack/ivout.f:26:23:

   26 |       CHARACTER*80 LINE
      |                       1
Warning: Unused variable ‘line’ declared at (1) [-Wunused-variable]
vendor/arpack/ivout.f:25:39:

   25 |       INTEGER    I, NDIGIT, K1, K2, LLL
      |                                       1
Warning: Unused variable ‘lll’ declared at (1) [-Wunused-variable]
vendor/arpack/ivout.f:18:34:

   18 |       SUBROUTINE IGRAPHIVOUT (LOUT, N, IX, IDIGIT, IFMT)
      |                                  1
Warning: Unused dummy argument ‘lout’ at (1) [-Wunused-dummy-argument]
vendor/arpack/ivout.f:18:37:

   18 |       SUBROUTINE IGRAPHIVOUT (LOUT, N, IX, IDIGIT, IFMT)
      |                                     1
Warning: Unused dummy argument ‘n’ at (1) [-Wunused-dummy-argument]
vendor/arpack/ivout.f:25:26:

   25 |       INTEGER    I, NDIGIT, K1, K2, LLL
      |                          1
Warning: Unused variable ‘ndigit’ declared at (1) [-Wunused-variable]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/second.f -o vendor/arpack/second.o
vendor/arpack/second.f:23:30:

   23 |       REAL               ETIME
      |                              1
Warning: Unused variable ‘etime’ declared at (1) [-Wunused-variable]
vendor/arpack/second.f:17:27:

   17 |       REAL               T1
      |                           1
Warning: Unused variable ‘t1’ declared at (1) [-Wunused-variable]
vendor/arpack/second.f:20:36:

   20 |       REAL               TARRAY( 2 )
      |                                    1
Warning: Unused variable ‘tarray’ declared at (1) [-Wunused-variable]
gfortran-13 -fvisibility=hidden -fpic  -g -O2 -Wall -mtune=native  -c vendor/arpack/wrap.f -o vendor/arpack/wrap.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/centrality/betweenness.c -o vendor/cigraph/src/centrality/betweenness.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/centrality/centrality_other.c -o vendor/cigraph/src/centrality/centrality_other.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/centrality/centralization.c -o vendor/cigraph/src/centrality/centralization.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/centrality/closeness.c -o vendor/cigraph/src/centrality/closeness.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/centrality/coreness.c -o vendor/cigraph/src/centrality/coreness.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/centrality/eigenvector.c -o vendor/cigraph/src/centrality/eigenvector.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/centrality/hub_authority.c -o vendor/cigraph/src/centrality/hub_authority.o
vendor/cigraph/src/centrality/hub_authority.c: In function ‘igraph_hub_and_authority_scores’:
vendor/cigraph/src/centrality/hub_authority.c:375:84: warning: ‘my_hub_vector_p’ may be used uninitialized [-Wmaybe-uninitialized]
  375 |             igraph_i_kleinberg_weighted_hub_to_auth(no_of_nodes, authority_vector, &VECTOR(*my_hub_vector_p)[0], &ininclist, graph, weights);
      |                                                                                    ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
vendor/cigraph/src/centrality/hub_authority.c:219:22: note: ‘my_hub_vector_p’ was declared here
  219 |     igraph_vector_t *my_hub_vector_p;
      |                      ^~~~~~~~~~~~~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/centrality/pagerank.c -o vendor/cigraph/src/centrality/pagerank.o
vendor/cigraph/src/centrality/pagerank.c: In function ‘igraph_i_personalized_pagerank_arpack’:
vendor/cigraph/src/centrality/pagerank.c:603:9: warning: ‘reset_sum’ may be used uninitialized [-Wmaybe-uninitialized]
  603 |         igraph_vector_scale(&normalized_reset, 1.0 / reset_sum);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vendor/cigraph/src/centrality/pagerank.c:498:19: note: ‘reset_sum’ was declared here
  498 |     igraph_real_t reset_sum; /* used only when reset != NULL */
      |                   ^~~~~~~~~
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/centrality/prpack.cpp -o vendor/cigraph/src/centrality/prpack.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/centrality/prpack/prpack_base_graph.cpp -o vendor/cigraph/src/centrality/prpack/prpack_base_graph.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/centrality/prpack/prpack_igraph_graph.cpp -o vendor/cigraph/src/centrality/prpack/prpack_igraph_graph.o
vendor/cigraph/src/centrality/prpack/prpack_igraph_graph.cpp: In member function ‘igraph_error_t prpack::prpack_igraph_graph::convert_from_igraph(const igraph_t*, const igraph_vector_t*, bool)’:
vendor/cigraph/src/centrality/prpack/prpack_igraph_graph.cpp:121:21: warning: ‘p_weight’ may be used uninitialized [-Wmaybe-uninitialized]
  121 |                     ++p_weight;
      |                     ^~~~~~~~~~
vendor/cigraph/src/centrality/prpack/prpack_igraph_graph.cpp:19:13: note: ‘p_weight’ was declared here
   19 |     double *p_weight;
      |             ^~~~~~~~
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/centrality/prpack/prpack_preprocessed_ge_graph.cpp -o vendor/cigraph/src/centrality/prpack/prpack_preprocessed_ge_graph.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/centrality/prpack/prpack_preprocessed_gs_graph.cpp -o vendor/cigraph/src/centrality/prpack/prpack_preprocessed_gs_graph.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/centrality/prpack/prpack_preprocessed_scc_graph.cpp -o vendor/cigraph/src/centrality/prpack/prpack_preprocessed_scc_graph.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/centrality/prpack/prpack_preprocessed_schur_graph.cpp -o vendor/cigraph/src/centrality/prpack/prpack_preprocessed_schur_graph.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/centrality/prpack/prpack_result.cpp -o vendor/cigraph/src/centrality/prpack/prpack_result.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/centrality/prpack/prpack_solver.cpp -o vendor/cigraph/src/centrality/prpack/prpack_solver.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/centrality/prpack/prpack_utils.cpp -o vendor/cigraph/src/centrality/prpack/prpack_utils.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/centrality/truss.cpp -o vendor/cigraph/src/centrality/truss.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/cliques/cliquer/cliquer.c -o vendor/cigraph/src/cliques/cliquer/cliquer.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/cliques/cliquer/cliquer_graph.c -o vendor/cigraph/src/cliques/cliquer/cliquer_graph.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/cliques/cliquer/reorder.c -o vendor/cigraph/src/cliques/cliquer/reorder.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/cliques/cliquer_wrapper.c -o vendor/cigraph/src/cliques/cliquer_wrapper.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/cliques/cliques.c -o vendor/cigraph/src/cliques/cliques.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/cliques/glet.c -o vendor/cigraph/src/cliques/glet.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/cliques/maximal_cliques.c -o vendor/cigraph/src/cliques/maximal_cliques.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/community/community_misc.c -o vendor/cigraph/src/community/community_misc.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/community/edge_betweenness.c -o vendor/cigraph/src/community/edge_betweenness.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/community/fast_modularity.c -o vendor/cigraph/src/community/fast_modularity.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/community/fluid.c -o vendor/cigraph/src/community/fluid.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/community/infomap/infomap.cc -o vendor/cigraph/src/community/infomap/infomap.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/community/infomap/infomap_FlowGraph.cc -o vendor/cigraph/src/community/infomap/infomap_FlowGraph.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/community/infomap/infomap_Greedy.cc -o vendor/cigraph/src/community/infomap/infomap_Greedy.o
vendor/cigraph/src/community/infomap/infomap_Greedy.cc: In member function ‘bool Greedy::optimize()’:
vendor/cigraph/src/community/infomap/infomap_Greedy.cc:126:36: warning: comparison of integer expressions of different signedness: ‘__gnu_cxx::__alloc_traits<std::allocator<long int>, long int>::value_type’ {aka ‘long int’} and ‘igraph_uint_t’ {aka ‘long unsigned int’} [-Wsign-compare]
  126 |                 if (redirect[nb_M] >= offset) {
vendor/cigraph/src/community/infomap/infomap_Greedy.cc:143:32: warning: comparison of integer expressions of different signedness: ‘__gnu_cxx::__alloc_traits<std::allocator<long int>, long int>::value_type’ {aka ‘long int’} and ‘igraph_uint_t’ {aka ‘long unsigned int’} [-Wsign-compare]
  143 |             if (redirect[nb_M] >= offset) {
vendor/cigraph/src/community/infomap/infomap_Greedy.cc:184:28: warning: comparison of integer expressions of different signedness: ‘__gnu_cxx::__alloc_traits<std::allocator<long int>, long int>::value_type’ {aka ‘long int’} and ‘igraph_uint_t’ {aka ‘long unsigned int’} [-Wsign-compare]
  184 |         if (redirect[oldM] >= offset) {
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/community/label_propagation.c -o vendor/cigraph/src/community/label_propagation.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/community/leading_eigenvector.c -o vendor/cigraph/src/community/leading_eigenvector.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/community/leiden.c -o vendor/cigraph/src/community/leiden.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/community/louvain.c -o vendor/cigraph/src/community/louvain.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/community/modularity.c -o vendor/cigraph/src/community/modularity.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/community/optimal_modularity.c -o vendor/cigraph/src/community/optimal_modularity.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/community/spinglass/NetDataTypes.cpp -o vendor/cigraph/src/community/spinglass/NetDataTypes.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/community/spinglass/NetRoutines.cpp -o vendor/cigraph/src/community/spinglass/NetRoutines.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/community/spinglass/clustertool.cpp -o vendor/cigraph/src/community/spinglass/clustertool.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/community/spinglass/pottsmodel_2.cpp -o vendor/cigraph/src/community/spinglass/pottsmodel_2.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/community/voronoi.c -o vendor/cigraph/src/community/voronoi.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/community/walktrap/walktrap.cpp -o vendor/cigraph/src/community/walktrap/walktrap.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/community/walktrap/walktrap_communities.cpp -o vendor/cigraph/src/community/walktrap/walktrap_communities.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/community/walktrap/walktrap_graph.cpp -o vendor/cigraph/src/community/walktrap/walktrap_graph.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/community/walktrap/walktrap_heap.cpp -o vendor/cigraph/src/community/walktrap/walktrap_heap.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/connectivity/cohesive_blocks.c -o vendor/cigraph/src/connectivity/cohesive_blocks.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/connectivity/components.c -o vendor/cigraph/src/connectivity/components.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/connectivity/separators.c -o vendor/cigraph/src/connectivity/separators.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/constructors/adjacency.c -o vendor/cigraph/src/constructors/adjacency.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/constructors/atlas.c -o vendor/cigraph/src/constructors/atlas.o
In file included from vendor/cigraph/include/igraph_constructors.h:29,
                 from vendor/cigraph/src/constructors/atlas.c:19:
vendor/cigraph/src/constructors/atlas.c: In function ‘igraph_atlas’:
vendor/cigraph/src/constructors/atlas.c:70:18: warning: ‘v’ may be used uninitialized [-Wmaybe-uninitialized]
   70 |     IGRAPH_CHECK(igraph_create(graph,
vendor/cigraph/include/igraph_error.h:763:40: note: in definition of macro ‘IGRAPH_CHECK’
  763 |         igraph_error_t igraph_i_ret = (expr); \
      |                                        ^~~~
In file included from vendor/cigraph/include/igraph_vector.h:88,
                 from vendor/cigraph/include/igraph_matrix.h:29,
                 from vendor/cigraph/include/igraph_constructors.h:31:
vendor/cigraph/include/igraph_vector_pmt.h:93:51: note: by argument 1 of type ‘const igraph_vector_int_t *’ to ‘igraph_vector_int_view’ declared here
   93 | IGRAPH_EXPORT const TYPE(igraph_vector) *FUNCTION(igraph_vector, view)(const TYPE(igraph_vector) *v,
      |                                                   ^~~~~~~~~~~~~
vendor/cigraph/include/igraph_pmt.h:26:25: note: in definition of macro ‘CONCAT3x’
   26 | #define CONCAT3x(a,b,c) a ## _ ## b ## _ ## c
      |                         ^
vendor/cigraph/include/igraph_pmt.h:169:31: note: in expansion of macro ‘CONCAT3’
  169 |         #define FUNCTION(a,c) CONCAT3(a,SHORT,c)
      |                               ^~~~~~~
vendor/cigraph/include/igraph_vector_pmt.h:93:42: note: in expansion of macro ‘FUNCTION’
   93 | IGRAPH_EXPORT const TYPE(igraph_vector) *FUNCTION(igraph_vector, view)(const TYPE(igraph_vector) *v,
      |                                          ^~~~~~~~
vendor/cigraph/src/constructors/atlas.c:59:31: note: ‘v’ declared here
   59 |     const igraph_vector_int_t v;
      |                               ^
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/constructors/basic_constructors.c -o vendor/cigraph/src/constructors/basic_constructors.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/constructors/circulant.c -o vendor/cigraph/src/constructors/circulant.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/constructors/de_bruijn.c -o vendor/cigraph/src/constructors/de_bruijn.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/constructors/famous.c -o vendor/cigraph/src/constructors/famous.o
vendor/cigraph/src/constructors/famous.c: In function ‘igraph_i_famous’:
vendor/cigraph/src/constructors/famous.c:261:5: warning: ‘edges’ may be used uninitialized [-Wmaybe-uninitialized]
  261 |     igraph_vector_int_view(&edges, data + 3, 2 * no_of_edges);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from vendor/cigraph/include/igraph_vector.h:88,
                 from vendor/cigraph/include/igraph_matrix.h:29,
                 from vendor/cigraph/include/igraph_constructors.h:31,
                 from vendor/cigraph/src/constructors/famous.c:25:
vendor/cigraph/include/igraph_vector_pmt.h:93:51: note: by argument 1 of type ‘const igraph_vector_int_t *’ to ‘igraph_vector_int_view’ declared here
   93 | IGRAPH_EXPORT const TYPE(igraph_vector) *FUNCTION(igraph_vector, view)(const TYPE(igraph_vector) *v,
      |                                                   ^~~~~~~~~~~~~
vendor/cigraph/include/igraph_pmt.h:26:25: note: in definition of macro ‘CONCAT3x’
   26 | #define CONCAT3x(a,b,c) a ## _ ## b ## _ ## c
      |                         ^
vendor/cigraph/include/igraph_pmt.h:169:31: note: in expansion of macro ‘CONCAT3’
  169 |         #define FUNCTION(a,c) CONCAT3(a,SHORT,c)
      |                               ^~~~~~~
vendor/cigraph/include/igraph_vector_pmt.h:93:42: note: in expansion of macro ‘FUNCTION’
   93 | IGRAPH_EXPORT const TYPE(igraph_vector) *FUNCTION(igraph_vector, view)(const TYPE(igraph_vector) *v,
      |                                          ^~~~~~~~
vendor/cigraph/src/constructors/famous.c:259:25: note: ‘edges’ declared here
  259 |     igraph_vector_int_t edges;
      |                         ^~~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/constructors/full.c -o vendor/cigraph/src/constructors/full.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/constructors/generalized_petersen.c -o vendor/cigraph/src/constructors/generalized_petersen.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/constructors/kautz.c -o vendor/cigraph/src/constructors/kautz.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/constructors/lattices.c -o vendor/cigraph/src/constructors/lattices.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/constructors/lcf.c -o vendor/cigraph/src/constructors/lcf.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/constructors/linegraph.c -o vendor/cigraph/src/constructors/linegraph.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/constructors/prufer.c -o vendor/cigraph/src/constructors/prufer.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/constructors/regular.c -o vendor/cigraph/src/constructors/regular.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/constructors/trees.c -o vendor/cigraph/src/constructors/trees.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/array.c -o vendor/cigraph/src/core/array.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/buckets.c -o vendor/cigraph/src/core/buckets.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/cutheap.c -o vendor/cigraph/src/core/cutheap.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/dqueue.c -o vendor/cigraph/src/core/dqueue.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/error.c -o vendor/cigraph/src/core/error.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/estack.c -o vendor/cigraph/src/core/estack.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/fixed_vectorlist.c -o vendor/cigraph/src/core/fixed_vectorlist.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/genheap.c -o vendor/cigraph/src/core/genheap.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/grid.c -o vendor/cigraph/src/core/grid.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/heap.c -o vendor/cigraph/src/core/heap.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/indheap.c -o vendor/cigraph/src/core/indheap.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/interruption.c -o vendor/cigraph/src/core/interruption.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/marked_queue.c -o vendor/cigraph/src/core/marked_queue.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/matrix.c -o vendor/cigraph/src/core/matrix.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/matrix_list.c -o vendor/cigraph/src/core/matrix_list.o
In file included from vendor/cigraph/src/core/matrix_list.c:32:
vendor/cigraph/src/core/typed_list.pmt: In function ‘igraph_matrix_list_sort_ind’:
vendor/cigraph/src/core/typed_list.pmt:942:38: warning: ISO C forbids conversion of function pointer to object pointer type [-Wpedantic]
  942 |         vind, n, sizeof(ITEM_TYPE*), (void*) cmp,
      |                                      ^
vendor/cigraph/src/core/typed_list.pmt: In function ‘igraph_i_matrix_list_sort_ind_cmp’:
vendor/cigraph/src/core/typed_list.pmt:1093:54: warning: ISO C forbids conversion of object pointer to function pointer type [-Wpedantic]
 1093 |     int (*cmp)(const ITEM_TYPE*, const ITEM_TYPE*) = (int (*)(const ITEM_TYPE*, const ITEM_TYPE*)) thunk;
      |                                                      ^
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/memory.c -o vendor/cigraph/src/core/memory.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/printing.c -o vendor/cigraph/src/core/printing.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/progress.c -o vendor/cigraph/src/core/progress.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/psumtree.c -o vendor/cigraph/src/core/psumtree.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/set.c -o vendor/cigraph/src/core/set.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/sparsemat.c -o vendor/cigraph/src/core/sparsemat.o
vendor/cigraph/src/core/sparsemat.c: In function ‘igraph_i_sparsemat_arpack_multiply’:
vendor/cigraph/src/core/sparsemat.c:1628:5: warning: ‘vto’ may be used uninitialized [-Wmaybe-uninitialized]
 1628 |     igraph_vector_view(&vto, to, n);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from vendor/cigraph/include/igraph_vector.h:70,
                 from vendor/cigraph/include/igraph_sparsemat.h:30,
                 from vendor/cigraph/src/core/sparsemat.c:24:
vendor/cigraph/include/igraph_vector_pmt.h:93:51: note: by argument 1 of type ‘const igraph_vector_t *’ to ‘igraph_vector_view’ declared here
   93 | IGRAPH_EXPORT const TYPE(igraph_vector) *FUNCTION(igraph_vector, view)(const TYPE(igraph_vector) *v,
      |                                                   ^~~~~~~~~~~~~
vendor/cigraph/include/igraph_pmt.h:24:23: note: in definition of macro ‘CONCAT2x’
   24 | #define CONCAT2x(a,b) a ## _ ## b
      |                       ^
vendor/cigraph/include/igraph_pmt.h:161:31: note: in expansion of macro ‘CONCAT2’
  161 |         #define FUNCTION(a,c) CONCAT2(a,c)
      |                               ^~~~~~~
vendor/cigraph/include/igraph_vector_pmt.h:93:42: note: in expansion of macro ‘FUNCTION’
   93 | IGRAPH_EXPORT const TYPE(igraph_vector) *FUNCTION(igraph_vector, view)(const TYPE(igraph_vector) *v,
      |                                          ^~~~~~~~
vendor/cigraph/src/core/sparsemat.c:1627:21: note: ‘vto’ declared here
 1627 |     igraph_vector_t vto, vfrom;
      |                     ^~~
vendor/cigraph/src/core/sparsemat.c: In function ‘igraph_i_sparsemat_arpack_solve’:
vendor/cigraph/src/core/sparsemat.c:1650:5: warning: ‘vfrom’ may be used uninitialized [-Wmaybe-uninitialized]
 1650 |     igraph_vector_view(&vfrom, from, n);
      |     ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
vendor/cigraph/include/igraph_vector_pmt.h:93:51: note: by argument 1 of type ‘const igraph_vector_t *’ to ‘igraph_vector_view’ declared here
   93 | IGRAPH_EXPORT const TYPE(igraph_vector) *FUNCTION(igraph_vector, view)(const TYPE(igraph_vector) *v,
      |                                                   ^~~~~~~~~~~~~
vendor/cigraph/include/igraph_pmt.h:24:23: note: in definition of macro ‘CONCAT2x’
   24 | #define CONCAT2x(a,b) a ## _ ## b
      |                       ^
vendor/cigraph/include/igraph_pmt.h:161:31: note: in expansion of macro ‘CONCAT2’
  161 |         #define FUNCTION(a,c) CONCAT2(a,c)
      |                               ^~~~~~~
vendor/cigraph/include/igraph_vector_pmt.h:93:42: note: in expansion of macro ‘FUNCTION’
   93 | IGRAPH_EXPORT const TYPE(igraph_vector) *FUNCTION(igraph_vector, view)(const TYPE(igraph_vector) *v,
      |                                          ^~~~~~~~
vendor/cigraph/src/core/sparsemat.c:1648:21: note: ‘vfrom’ declared here
 1648 |     igraph_vector_t vfrom, vto;
      |                     ^~~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/stack.c -o vendor/cigraph/src/core/stack.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/statusbar.c -o vendor/cigraph/src/core/statusbar.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/strvector.c -o vendor/cigraph/src/core/strvector.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/trie.c -o vendor/cigraph/src/core/trie.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/vector.c -o vendor/cigraph/src/core/vector.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/vector_list.c -o vendor/cigraph/src/core/vector_list.o
In file included from vendor/cigraph/src/core/vector_list.c:29:
vendor/cigraph/src/core/typed_list.pmt: In function ‘igraph_vector_list_sort_ind’:
vendor/cigraph/src/core/typed_list.pmt:942:38: warning: ISO C forbids conversion of function pointer to object pointer type [-Wpedantic]
  942 |         vind, n, sizeof(ITEM_TYPE*), (void*) cmp,
      |                                      ^
vendor/cigraph/src/core/typed_list.pmt: In function ‘igraph_i_vector_list_sort_ind_cmp’:
vendor/cigraph/src/core/typed_list.pmt:1093:54: warning: ISO C forbids conversion of object pointer to function pointer type [-Wpedantic]
 1093 |     int (*cmp)(const ITEM_TYPE*, const ITEM_TYPE*) = (int (*)(const ITEM_TYPE*, const ITEM_TYPE*)) thunk;
      |                                                      ^
In file included from vendor/cigraph/src/core/vector_list.c:35:
vendor/cigraph/src/core/typed_list.pmt: In function ‘igraph_vector_int_list_sort_ind’:
vendor/cigraph/src/core/typed_list.pmt:942:38: warning: ISO C forbids conversion of function pointer to object pointer type [-Wpedantic]
  942 |         vind, n, sizeof(ITEM_TYPE*), (void*) cmp,
      |                                      ^
vendor/cigraph/src/core/typed_list.pmt: In function ‘igraph_i_vector_int_list_sort_ind_cmp’:
vendor/cigraph/src/core/typed_list.pmt:1093:54: warning: ISO C forbids conversion of object pointer to function pointer type [-Wpedantic]
 1093 |     int (*cmp)(const ITEM_TYPE*, const ITEM_TYPE*) = (int (*)(const ITEM_TYPE*, const ITEM_TYPE*)) thunk;
      |                                                      ^
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/core/vector_ptr.c -o vendor/cigraph/src/core/vector_ptr.o
vendor/cigraph/src/core/vector_ptr.c: In function ‘igraph_vector_ptr_i_sort_ind_cmp’:
vendor/cigraph/src/core/vector_ptr.c:665:18: warning: ISO C forbids conversion of object pointer to function pointer type [-Wpedantic]
  665 |     cmp_t *cmp = (cmp_t *) thunk;
      |                  ^
vendor/cigraph/src/core/vector_ptr.c: In function ‘igraph_vector_ptr_sort_ind’:
vendor/cigraph/src/core/vector_ptr.c:724:46: warning: ISO C forbids conversion of function pointer to object pointer type [-Wpedantic]
  724 |     igraph_qsort_r(vind, n, sizeof(vind[0]), (void*)cmp, igraph_vector_ptr_i_sort_ind_cmp);
      |                                              ^
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/flow/flow.c -o vendor/cigraph/src/flow/flow.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/flow/flow_conversion.c -o vendor/cigraph/src/flow/flow_conversion.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/flow/st-cuts.c -o vendor/cigraph/src/flow/st-cuts.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/barabasi.c -o vendor/cigraph/src/games/barabasi.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/callaway_traits.c -o vendor/cigraph/src/games/callaway_traits.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/citations.c -o vendor/cigraph/src/games/citations.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/correlated.c -o vendor/cigraph/src/games/correlated.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/degree_sequence.c -o vendor/cigraph/src/games/degree_sequence.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/games/degree_sequence_vl/gengraph_degree_sequence.cpp -o vendor/cigraph/src/games/degree_sequence_vl/gengraph_degree_sequence.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/games/degree_sequence_vl/gengraph_graph_molloy_hash.cpp -o vendor/cigraph/src/games/degree_sequence_vl/gengraph_graph_molloy_hash.o
vendor/cigraph/src/games/degree_sequence_vl/gengraph_graph_molloy_hash.cpp: In member function ‘igraph_integer_t gengraph::graph_molloy_hash::shuffle(igraph_integer_t, igraph_integer_t, int)’:
vendor/cigraph/src/games/degree_sequence_vl/gengraph_graph_molloy_hash.cpp:320:34: warning: comparison of integer expressions of different signedness: ‘igraph_integer_t’ {aka ‘long int’} and ‘long unsigned int’ [-Wsign-compare]
  320 |             if (nb_swaps + swaps > next) {
      |                 ~~~~~~~~~~~~~~~~~^~~~~~
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/games/degree_sequence_vl/gengraph_graph_molloy_optimized.cpp -o vendor/cigraph/src/games/degree_sequence_vl/gengraph_graph_molloy_optimized.o
vendor/cigraph/src/games/degree_sequence_vl/gengraph_graph_molloy_optimized.cpp: In member function ‘bool gengraph::graph_molloy_opt::make_connected()’:
vendor/cigraph/src/games/degree_sequence_vl/gengraph_graph_molloy_optimized.cpp:539:38: warning: pointer ‘trees’ may be used after ‘void operator delete [](void*)’ [-Wuse-after-free]
  539 |     return (trees == ffub || ((trees + 1) == ffub && fatty_edge.from < 0));
      |                               ~~~~~~~^~~~
vendor/cigraph/src/games/degree_sequence_vl/gengraph_graph_molloy_optimized.cpp:536:14: note: call to ‘void operator delete [](void*)’ here
  536 |     delete[] buff;
      |              ^~~~
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/games/degree_sequence_vl/gengraph_mr-connected.cpp -o vendor/cigraph/src/games/degree_sequence_vl/gengraph_mr-connected.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/games/degree_sequence_vl/gengraph_random.cpp -o vendor/cigraph/src/games/degree_sequence_vl/gengraph_random.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/dotproduct.c -o vendor/cigraph/src/games/dotproduct.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/erdos_renyi.c -o vendor/cigraph/src/games/erdos_renyi.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/establishment.c -o vendor/cigraph/src/games/establishment.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/forestfire.c -o vendor/cigraph/src/games/forestfire.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/grg.c -o vendor/cigraph/src/games/grg.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/growing_random.c -o vendor/cigraph/src/games/growing_random.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/islands.c -o vendor/cigraph/src/games/islands.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/k_regular.c -o vendor/cigraph/src/games/k_regular.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/preference.c -o vendor/cigraph/src/games/preference.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/recent_degree.c -o vendor/cigraph/src/games/recent_degree.o
vendor/cigraph/src/games/recent_degree.c: In function ‘igraph_recent_degree_aging_game’:
vendor/cigraph/src/games/recent_degree.c:330:23: warning: ‘no_of_neighbors’ may be used uninitialized [-Wmaybe-uninitialized]
  330 |         for (j = 0; j < no_of_neighbors; j++) {
      |                     ~~^~~~~~~~~~~~~~~~~
vendor/cigraph/src/games/recent_degree.c:246:22: note: ‘no_of_neighbors’ was declared here
  246 |     igraph_integer_t no_of_neighbors;
      |                      ^~~~~~~~~~~~~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/sbm.c -o vendor/cigraph/src/games/sbm.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/static_fitness.c -o vendor/cigraph/src/games/static_fitness.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/tree.c -o vendor/cigraph/src/games/tree.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/games/watts_strogatz.c -o vendor/cigraph/src/games/watts_strogatz.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/graph/adjlist.c -o vendor/cigraph/src/graph/adjlist.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/graph/attributes.c -o vendor/cigraph/src/graph/attributes.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/graph/basic_query.c -o vendor/cigraph/src/graph/basic_query.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/graph/caching.c -o vendor/cigraph/src/graph/caching.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/graph/cattributes.c -o vendor/cigraph/src/graph/cattributes.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/graph/graph_list.c -o vendor/cigraph/src/graph/graph_list.o
In file included from vendor/cigraph/src/graph/graph_list.c:34:
vendor/cigraph/src/graph/../core/typed_list.pmt: In function ‘igraph_graph_list_sort_ind’:
vendor/cigraph/src/graph/../core/typed_list.pmt:942:38: warning: ISO C forbids conversion of function pointer to object pointer type [-Wpedantic]
  942 |         vind, n, sizeof(ITEM_TYPE*), (void*) cmp,
      |                                      ^
vendor/cigraph/src/graph/../core/typed_list.pmt: In function ‘igraph_i_graph_list_sort_ind_cmp’:
vendor/cigraph/src/graph/../core/typed_list.pmt:1093:54: warning: ISO C forbids conversion of object pointer to function pointer type [-Wpedantic]
 1093 |     int (*cmp)(const ITEM_TYPE*, const ITEM_TYPE*) = (int (*)(const ITEM_TYPE*, const ITEM_TYPE*)) thunk;
      |                                                      ^
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/graph/iterators.c -o vendor/cigraph/src/graph/iterators.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/graph/type_common.c -o vendor/cigraph/src/graph/type_common.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/graph/type_indexededgelist.c -o vendor/cigraph/src/graph/type_indexededgelist.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/graph/visitors.c -o vendor/cigraph/src/graph/visitors.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/hrg/hrg.cc -o vendor/cigraph/src/hrg/hrg.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/hrg/hrg_types.cc -o vendor/cigraph/src/hrg/hrg_types.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/internal/glpk_support.c -o vendor/cigraph/src/internal/glpk_support.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/internal/hacks.c -o vendor/cigraph/src/internal/hacks.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/internal/lsap.c -o vendor/cigraph/src/internal/lsap.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/internal/qsort.c -o vendor/cigraph/src/internal/qsort.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/internal/qsort_r.c -o vendor/cigraph/src/internal/qsort_r.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/internal/utils.c -o vendor/cigraph/src/internal/utils.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/internal/zeroin.c -o vendor/cigraph/src/internal/zeroin.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/io/dimacs.c -o vendor/cigraph/src/io/dimacs.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/io/dl.c -o vendor/cigraph/src/io/dl.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/io/dot.c -o vendor/cigraph/src/io/dot.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/io/edgelist.c -o vendor/cigraph/src/io/edgelist.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/io/gml-tree.c -o vendor/cigraph/src/io/gml-tree.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/io/gml.c -o vendor/cigraph/src/io/gml.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/io/graphdb.c -o vendor/cigraph/src/io/graphdb.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/io/graphml.c -o vendor/cigraph/src/io/graphml.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/io/leda.c -o vendor/cigraph/src/io/leda.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/io/lgl.c -o vendor/cigraph/src/io/lgl.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/io/ncol.c -o vendor/cigraph/src/io/ncol.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/io/pajek.c -o vendor/cigraph/src/io/pajek.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/io/parse_utils.c -o vendor/cigraph/src/io/parse_utils.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/isomorphism/bliss.cc -o vendor/cigraph/src/isomorphism/bliss.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/isomorphism/bliss/defs.cc -o vendor/cigraph/src/isomorphism/bliss/defs.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/isomorphism/bliss/graph.cc -o vendor/cigraph/src/isomorphism/bliss/graph.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/isomorphism/bliss/heap.cc -o vendor/cigraph/src/isomorphism/bliss/heap.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/isomorphism/bliss/orbit.cc -o vendor/cigraph/src/isomorphism/bliss/orbit.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/isomorphism/bliss/partition.cc -o vendor/cigraph/src/isomorphism/bliss/partition.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/isomorphism/bliss/uintseqhash.cc -o vendor/cigraph/src/isomorphism/bliss/uintseqhash.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/isomorphism/bliss/utils.cc -o vendor/cigraph/src/isomorphism/bliss/utils.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/isomorphism/isoclasses.c -o vendor/cigraph/src/isomorphism/isoclasses.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/isomorphism/isomorphism_misc.c -o vendor/cigraph/src/isomorphism/isomorphism_misc.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/isomorphism/lad.c -o vendor/cigraph/src/isomorphism/lad.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/isomorphism/queries.c -o vendor/cigraph/src/isomorphism/queries.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/isomorphism/vf2.c -o vendor/cigraph/src/isomorphism/vf2.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/layout/circular.c -o vendor/cigraph/src/layout/circular.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/layout/davidson_harel.c -o vendor/cigraph/src/layout/davidson_harel.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/layout/drl/DensityGrid.cpp -o vendor/cigraph/src/layout/drl/DensityGrid.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/layout/drl/DensityGrid_3d.cpp -o vendor/cigraph/src/layout/drl/DensityGrid_3d.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/layout/drl/drl_graph.cpp -o vendor/cigraph/src/layout/drl/drl_graph.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/layout/drl/drl_graph_3d.cpp -o vendor/cigraph/src/layout/drl/drl_graph_3d.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/layout/drl/drl_layout.cpp -o vendor/cigraph/src/layout/drl/drl_layout.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/layout/drl/drl_layout_3d.cpp -o vendor/cigraph/src/layout/drl/drl_layout_3d.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/layout/drl/drl_parse.cpp -o vendor/cigraph/src/layout/drl/drl_parse.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/layout/fruchterman_reingold.c -o vendor/cigraph/src/layout/fruchterman_reingold.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/layout/gem.c -o vendor/cigraph/src/layout/gem.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/layout/graphopt.c -o vendor/cigraph/src/layout/graphopt.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/layout/kamada_kawai.c -o vendor/cigraph/src/layout/kamada_kawai.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/layout/large_graph.c -o vendor/cigraph/src/layout/large_graph.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/layout/layout_bipartite.c -o vendor/cigraph/src/layout/layout_bipartite.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/layout/layout_grid.c -o vendor/cigraph/src/layout/layout_grid.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/layout/layout_random.c -o vendor/cigraph/src/layout/layout_random.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/layout/mds.c -o vendor/cigraph/src/layout/mds.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/layout/merge_dla.c -o vendor/cigraph/src/layout/merge_dla.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/layout/merge_grid.c -o vendor/cigraph/src/layout/merge_grid.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/layout/reingold_tilford.c -o vendor/cigraph/src/layout/reingold_tilford.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/layout/sugiyama.c -o vendor/cigraph/src/layout/sugiyama.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/layout/umap.c -o vendor/cigraph/src/layout/umap.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/linalg/arpack.c -o vendor/cigraph/src/linalg/arpack.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/linalg/blas.c -o vendor/cigraph/src/linalg/blas.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/linalg/eigen.c -o vendor/cigraph/src/linalg/eigen.o
vendor/cigraph/src/linalg/eigen.c: In function ‘igraph_i_eigen_matrix_sym_arpack_cb’:
vendor/cigraph/src/linalg/eigen.c:486:9: warning: ‘vto’ may be used uninitialized [-Wmaybe-uninitialized]
  486 |         igraph_vector_view(&vto, to, n);
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
In file included from vendor/cigraph/include/igraph_vector.h:70,
                 from vendor/cigraph/include/igraph_matrix.h:29,
                 from vendor/cigraph/include/igraph_arpack.h:29,
                 from vendor/cigraph/include/igraph_eigen.h:28,
                 from vendor/cigraph/src/linalg/eigen.c:24:
vendor/cigraph/include/igraph_vector_pmt.h:93:51: note: by argument 1 of type ‘const igraph_vector_t *’ to ‘igraph_vector_view’ declared here
   93 | IGRAPH_EXPORT const TYPE(igraph_vector) *FUNCTION(igraph_vector, view)(const TYPE(igraph_vector) *v,
      |                                                   ^~~~~~~~~~~~~
vendor/cigraph/include/igraph_pmt.h:24:23: note: in definition of macro ‘CONCAT2x’
   24 | #define CONCAT2x(a,b) a ## _ ## b
      |                       ^
vendor/cigraph/include/igraph_pmt.h:161:31: note: in expansion of macro ‘CONCAT2’
  161 |         #define FUNCTION(a,c) CONCAT2(a,c)
      |                               ^~~~~~~
vendor/cigraph/include/igraph_vector_pmt.h:93:42: note: in expansion of macro ‘FUNCTION’
   93 | IGRAPH_EXPORT const TYPE(igraph_vector) *FUNCTION(igraph_vector, view)(const TYPE(igraph_vector) *v,
      |                                          ^~~~~~~~
vendor/cigraph/src/linalg/eigen.c:485:25: note: ‘vto’ declared here
  485 |         igraph_vector_t vto, vfrom;
      |                         ^~~
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/linalg/lapack.c -o vendor/cigraph/src/linalg/lapack.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/math/complex.c -o vendor/cigraph/src/math/complex.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/math/safe_intop.c -o vendor/cigraph/src/math/safe_intop.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/math/utils.c -o vendor/cigraph/src/math/utils.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/bipartite.c -o vendor/cigraph/src/misc/bipartite.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/chordality.c -o vendor/cigraph/src/misc/chordality.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/cocitation.c -o vendor/cigraph/src/misc/cocitation.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/coloring.c -o vendor/cigraph/src/misc/coloring.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/conversion.c -o vendor/cigraph/src/misc/conversion.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/cycle_bases.c -o vendor/cigraph/src/misc/cycle_bases.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/misc/degree_sequence.cpp -o vendor/cigraph/src/misc/degree_sequence.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/embedding.c -o vendor/cigraph/src/misc/embedding.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/feedback_arc_set.c -o vendor/cigraph/src/misc/feedback_arc_set.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/graphicality.c -o vendor/cigraph/src/misc/graphicality.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/matching.c -o vendor/cigraph/src/misc/matching.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/microscopic_update.c -o vendor/cigraph/src/misc/microscopic_update.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/mixing.c -o vendor/cigraph/src/misc/mixing.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/motifs.c -o vendor/cigraph/src/misc/motifs.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/cigraph/src/misc/order_cycle.cpp -o vendor/cigraph/src/misc/order_cycle.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/other.c -o vendor/cigraph/src/misc/other.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/power_law_fit.c -o vendor/cigraph/src/misc/power_law_fit.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/scan.c -o vendor/cigraph/src/misc/scan.o
vendor/cigraph/src/misc/scan.c:76:23: warning: ‘igraph_i_trans4_il_simplify’ defined but not used [-Wunused-function]
   76 | static igraph_error_t igraph_i_trans4_il_simplify(const igraph_t *graph, igraph_inclist_t *il,
      |                       ^~~~~~~~~~~~~~~~~~~~~~~~~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/sir.c -o vendor/cigraph/src/misc/sir.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/misc/spanning_trees.c -o vendor/cigraph/src/misc/spanning_trees.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/operators/add_edge.c -o vendor/cigraph/src/operators/add_edge.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/operators/complementer.c -o vendor/cigraph/src/operators/complementer.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/operators/compose.c -o vendor/cigraph/src/operators/compose.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/operators/connect_neighborhood.c -o vendor/cigraph/src/operators/connect_neighborhood.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/operators/contract.c -o vendor/cigraph/src/operators/contract.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/operators/difference.c -o vendor/cigraph/src/operators/difference.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/operators/disjoint_union.c -o vendor/cigraph/src/operators/disjoint_union.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/operators/intersection.c -o vendor/cigraph/src/operators/intersection.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/operators/join.c -o vendor/cigraph/src/operators/join.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/operators/misc_internal.c -o vendor/cigraph/src/operators/misc_internal.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/operators/permute.c -o vendor/cigraph/src/operators/permute.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/operators/reverse.c -o vendor/cigraph/src/operators/reverse.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/operators/rewire.c -o vendor/cigraph/src/operators/rewire.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/operators/rewire_edges.c -o vendor/cigraph/src/operators/rewire_edges.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/operators/simplify.c -o vendor/cigraph/src/operators/simplify.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/operators/subgraph.c -o vendor/cigraph/src/operators/subgraph.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/operators/union.c -o vendor/cigraph/src/operators/union.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/paths/all_shortest_paths.c -o vendor/cigraph/src/paths/all_shortest_paths.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/paths/astar.c -o vendor/cigraph/src/paths/astar.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/paths/bellman_ford.c -o vendor/cigraph/src/paths/bellman_ford.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/paths/dijkstra.c -o vendor/cigraph/src/paths/dijkstra.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/paths/distances.c -o vendor/cigraph/src/paths/distances.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/paths/eulerian.c -o vendor/cigraph/src/paths/eulerian.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/paths/floyd_warshall.c -o vendor/cigraph/src/paths/floyd_warshall.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/paths/histogram.c -o vendor/cigraph/src/paths/histogram.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/paths/johnson.c -o vendor/cigraph/src/paths/johnson.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/paths/random_walk.c -o vendor/cigraph/src/paths/random_walk.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/paths/shortest_paths.c -o vendor/cigraph/src/paths/shortest_paths.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/paths/simple_paths.c -o vendor/cigraph/src/paths/simple_paths.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/paths/sparsifier.c -o vendor/cigraph/src/paths/sparsifier.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/paths/unweighted.c -o vendor/cigraph/src/paths/unweighted.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/paths/voronoi.c -o vendor/cigraph/src/paths/voronoi.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/paths/widest_paths.c -o vendor/cigraph/src/paths/widest_paths.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/properties/basic_properties.c -o vendor/cigraph/src/properties/basic_properties.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/properties/complete.c -o vendor/cigraph/src/properties/complete.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/properties/constraint.c -o vendor/cigraph/src/properties/constraint.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/properties/convergence_degree.c -o vendor/cigraph/src/properties/convergence_degree.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/properties/dag.c -o vendor/cigraph/src/properties/dag.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/properties/degrees.c -o vendor/cigraph/src/properties/degrees.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/properties/ecc.c -o vendor/cigraph/src/properties/ecc.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/properties/girth.c -o vendor/cigraph/src/properties/girth.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/properties/loops.c -o vendor/cigraph/src/properties/loops.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/properties/multiplicity.c -o vendor/cigraph/src/properties/multiplicity.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/properties/neighborhood.c -o vendor/cigraph/src/properties/neighborhood.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/properties/perfect.c -o vendor/cigraph/src/properties/perfect.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/properties/spectral.c -o vendor/cigraph/src/properties/spectral.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/properties/trees.c -o vendor/cigraph/src/properties/trees.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/properties/triangles.c -o vendor/cigraph/src/properties/triangles.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/random/random.c -o vendor/cigraph/src/random/random.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/random/rng_glibc2.c -o vendor/cigraph/src/random/rng_glibc2.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/random/rng_mt19937.c -o vendor/cigraph/src/random/rng_mt19937.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/random/rng_pcg32.c -o vendor/cigraph/src/random/rng_pcg32.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/random/rng_pcg64.c -o vendor/cigraph/src/random/rng_pcg64.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/src/version.c -o vendor/cigraph/src/version.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_add.c -o vendor/cigraph/vendor/cs/cs_add.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_amd.c -o vendor/cigraph/vendor/cs/cs_amd.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_chol.c -o vendor/cigraph/vendor/cs/cs_chol.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_cholsol.c -o vendor/cigraph/vendor/cs/cs_cholsol.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_compress.c -o vendor/cigraph/vendor/cs/cs_compress.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_counts.c -o vendor/cigraph/vendor/cs/cs_counts.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_cumsum.c -o vendor/cigraph/vendor/cs/cs_cumsum.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_dfs.c -o vendor/cigraph/vendor/cs/cs_dfs.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_dmperm.c -o vendor/cigraph/vendor/cs/cs_dmperm.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_droptol.c -o vendor/cigraph/vendor/cs/cs_droptol.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_dropzeros.c -o vendor/cigraph/vendor/cs/cs_dropzeros.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_dupl.c -o vendor/cigraph/vendor/cs/cs_dupl.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_entry.c -o vendor/cigraph/vendor/cs/cs_entry.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_ereach.c -o vendor/cigraph/vendor/cs/cs_ereach.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_etree.c -o vendor/cigraph/vendor/cs/cs_etree.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_fkeep.c -o vendor/cigraph/vendor/cs/cs_fkeep.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_gaxpy.c -o vendor/cigraph/vendor/cs/cs_gaxpy.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_happly.c -o vendor/cigraph/vendor/cs/cs_happly.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_house.c -o vendor/cigraph/vendor/cs/cs_house.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_ipvec.c -o vendor/cigraph/vendor/cs/cs_ipvec.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_leaf.c -o vendor/cigraph/vendor/cs/cs_leaf.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_load.c -o vendor/cigraph/vendor/cs/cs_load.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_lsolve.c -o vendor/cigraph/vendor/cs/cs_lsolve.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_ltsolve.c -o vendor/cigraph/vendor/cs/cs_ltsolve.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_lu.c -o vendor/cigraph/vendor/cs/cs_lu.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_lusol.c -o vendor/cigraph/vendor/cs/cs_lusol.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_malloc.c -o vendor/cigraph/vendor/cs/cs_malloc.o
vendor/cigraph/vendor/cs/cs_malloc.c: In function ‘cs_igraph_realloc’:
vendor/cigraph/vendor/cs/cs_malloc.c:34:26: warning: pointer ‘p’ may be used after ‘realloc’ [-Wuse-after-free]
   34 |     return ((*ok) ? pnew : p) ;             /* return original p if failure */
      |            ~~~~~~~~~~~~~~^~~~
vendor/cigraph/vendor/cs/cs_malloc.c:32:12: note: call to ‘realloc’ here
   32 |     pnew = realloc (p, CS_MAX (n,1) * size) ; /* realloc the block */
      |            ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_maxtrans.c -o vendor/cigraph/vendor/cs/cs_maxtrans.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_multiply.c -o vendor/cigraph/vendor/cs/cs_multiply.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_norm.c -o vendor/cigraph/vendor/cs/cs_norm.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_permute.c -o vendor/cigraph/vendor/cs/cs_permute.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_pinv.c -o vendor/cigraph/vendor/cs/cs_pinv.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_post.c -o vendor/cigraph/vendor/cs/cs_post.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_print.c -o vendor/cigraph/vendor/cs/cs_print.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_pvec.c -o vendor/cigraph/vendor/cs/cs_pvec.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_qr.c -o vendor/cigraph/vendor/cs/cs_qr.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_qrsol.c -o vendor/cigraph/vendor/cs/cs_qrsol.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_randperm.c -o vendor/cigraph/vendor/cs/cs_randperm.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_reach.c -o vendor/cigraph/vendor/cs/cs_reach.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_scatter.c -o vendor/cigraph/vendor/cs/cs_scatter.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_scc.c -o vendor/cigraph/vendor/cs/cs_scc.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_schol.c -o vendor/cigraph/vendor/cs/cs_schol.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_spsolve.c -o vendor/cigraph/vendor/cs/cs_spsolve.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_sqr.c -o vendor/cigraph/vendor/cs/cs_sqr.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_symperm.c -o vendor/cigraph/vendor/cs/cs_symperm.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_tdfs.c -o vendor/cigraph/vendor/cs/cs_tdfs.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_transpose.c -o vendor/cigraph/vendor/cs/cs_transpose.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_updown.c -o vendor/cigraph/vendor/cs/cs_updown.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_usolve.c -o vendor/cigraph/vendor/cs/cs_usolve.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_util.c -o vendor/cigraph/vendor/cs/cs_util.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/cs/cs_utsolve.c -o vendor/cigraph/vendor/cs/cs_utsolve.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/pcg/pcg-advance-128.c -o vendor/cigraph/vendor/pcg/pcg-advance-128.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/pcg/pcg-advance-64.c -o vendor/cigraph/vendor/pcg/pcg-advance-64.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/pcg/pcg-output-128.c -o vendor/cigraph/vendor/pcg/pcg-output-128.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/pcg/pcg-output-32.c -o vendor/cigraph/vendor/pcg/pcg-output-32.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/pcg/pcg-output-64.c -o vendor/cigraph/vendor/pcg/pcg-output-64.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/pcg/pcg-rngs-128.c -o vendor/cigraph/vendor/pcg/pcg-rngs-128.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/pcg/pcg-rngs-64.c -o vendor/cigraph/vendor/pcg/pcg-rngs-64.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/plfit/gss.c -o vendor/cigraph/vendor/plfit/gss.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/plfit/hzeta.c -o vendor/cigraph/vendor/plfit/hzeta.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/plfit/kolmogorov.c -o vendor/cigraph/vendor/plfit/kolmogorov.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/plfit/lbfgs.c -o vendor/cigraph/vendor/plfit/lbfgs.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/plfit/mt.c -o vendor/cigraph/vendor/plfit/mt.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/plfit/options.c -o vendor/cigraph/vendor/plfit/options.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/plfit/platform.c -o vendor/cigraph/vendor/plfit/platform.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/plfit/plfit.c -o vendor/cigraph/vendor/plfit/plfit.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/plfit/plfit_error.c -o vendor/cigraph/vendor/plfit/plfit_error.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/plfit/rbinom.c -o vendor/cigraph/vendor/plfit/rbinom.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/plfit/sampling.c -o vendor/cigraph/vendor/plfit/sampling.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/io/dl-lexer.c -o vendor/io/dl-lexer.o
src/vendor/io/dl-lexer.c: In function ‘yy_fatal_error’:
src/vendor/cigraph/src/io/dl-lexer.l:57:33: warning: statement with no effect [-Wunused-value]
src/vendor/io/dl-lexer.c:2199:2: note: in expansion of macro ‘fprintf’
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/io/dl-parser.c -o vendor/io/dl-parser.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/io/gml-lexer.c -o vendor/io/gml-lexer.o
src/vendor/io/gml-lexer.c: In function ‘yy_fatal_error’:
src/vendor/cigraph/src/io/gml-lexer.l:54:33: warning: statement with no effect [-Wunused-value]
src/vendor/io/gml-lexer.c:1998:2: note: in expansion of macro ‘fprintf’
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/io/gml-parser.c -o vendor/io/gml-parser.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/io/lgl-lexer.c -o vendor/io/lgl-lexer.o
src/vendor/io/lgl-lexer.c: In function ‘yy_fatal_error’:
src/vendor/cigraph/src/io/lgl-lexer.l:56:33: warning: statement with no effect [-Wunused-value]
src/vendor/io/lgl-lexer.c:1932:2: note: in expansion of macro ‘fprintf’
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/io/lgl-parser.c -o vendor/io/lgl-parser.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/io/ncol-lexer.c -o vendor/io/ncol-lexer.o
src/vendor/io/ncol-lexer.c: In function ‘yy_fatal_error’:
src/vendor/cigraph/src/io/ncol-lexer.l:56:33: warning: statement with no effect [-Wunused-value]
src/vendor/io/ncol-lexer.c:1926:2: note: in expansion of macro ‘fprintf’
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/io/ncol-parser.c -o vendor/io/ncol-parser.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/io/pajek-lexer.c -o vendor/io/pajek-lexer.o
src/vendor/io/pajek-lexer.c: In function ‘yy_fatal_error’:
src/vendor/cigraph/src/io/pajek-lexer.l:57:33: warning: statement with no effect [-Wunused-value]
src/vendor/io/pajek-lexer.c:2382:2: note: in expansion of macro ‘fprintf’
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/io/pajek-parser.c -o vendor/io/pajek-parser.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/simpleraytracer/Color.cpp -o vendor/simpleraytracer/Color.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/simpleraytracer/Light.cpp -o vendor/simpleraytracer/Light.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/simpleraytracer/Point.cpp -o vendor/simpleraytracer/Point.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/simpleraytracer/Ray.cpp -o vendor/simpleraytracer/Ray.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/simpleraytracer/RayTracer.cpp -o vendor/simpleraytracer/RayTracer.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/simpleraytracer/RayVector.cpp -o vendor/simpleraytracer/RayVector.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/simpleraytracer/Shape.cpp -o vendor/simpleraytracer/Shape.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/simpleraytracer/Sphere.cpp -o vendor/simpleraytracer/Sphere.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/simpleraytracer/Triangle.cpp -o vendor/simpleraytracer/Triangle.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -pedantic -mtune=native  -c vendor/simpleraytracer/unit_limiter.cpp -o vendor/simpleraytracer/unit_limiter.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/uuid/R.c -o vendor/uuid/R.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/uuid/clear.c -o vendor/uuid/clear.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/uuid/compare.c -o vendor/uuid/compare.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/uuid/copy.c -o vendor/uuid/copy.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/uuid/gen_uuid.c -o vendor/uuid/gen_uuid.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/uuid/isnull.c -o vendor/uuid/isnull.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/uuid/pack.c -o vendor/uuid/pack.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/uuid/parse.c -o vendor/uuid/parse.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/uuid/unpack.c -o vendor/uuid/unpack.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/uuid/unparse.c -o vendor/uuid/unparse.o
gcc-13 -I"/home/hornik/tmp/R.check/r-release-gcc/Work/build/include" -DNDEBUG -DUSING_R -I. -Ivendor -Ivendor/cigraph/src -Ivendor/cigraph/include -Ivendor/cigraph/vendor -Ivendor/io/parsers  -I/usr/include/libxml2 -DHAVE_LIBXML -DNDEBUG -DNTIMER -DNPRINT -DIGRAPH_THREAD_LOCAL= -DPRPACK_IGRAPH_SUPPORT -DHAVE_GFORTRAN=1 -D_GNU_SOURCE=1 -I'/home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/cpp11/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fvisibility=hidden -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c vendor/cigraph/vendor/mini-gmp/mini-gmp.c -o vendor/cigraph/vendor/mini-gmp/mini-gmp.o
g++-13 -std=gnu++17 -shared -L/home/hornik/tmp/R.check/r-release-gcc/Work/build/lib -Wl,-O1 -o igraph.so cpp11.o cpprinterface.o init.o lazyeval.o rinterface.o rinterface_extra.o rrandom.o simpleraytracer.o vendor/arpack/dgetv0.o vendor/arpack/dlaqrb.o vendor/arpack/dmout.o vendor/arpack/dnaitr.o vendor/arpack/dnapps.o vendor/arpack/dnaup2.o vendor/arpack/dnaupd.o vendor/arpack/dnconv.o vendor/arpack/dneigh.o vendor/arpack/dneupd.o vendor/arpack/dngets.o vendor/arpack/dsaitr.o vendor/arpack/dsapps.o vendor/arpack/dsaup2.o vendor/arpack/dsaupd.o vendor/arpack/dsconv.o vendor/arpack/dseigt.o vendor/arpack/dsesrt.o vendor/arpack/dseupd.o vendor/arpack/dsgets.o vendor/arpack/dsortc.o vendor/arpack/dsortr.o vendor/arpack/dstatn.o vendor/arpack/dstats.o vendor/arpack/dstqrb.o vendor/arpack/dvout.o vendor/arpack/ivout.o vendor/arpack/second.o vendor/arpack/wrap.o vendor/cigraph/src/centrality/betweenness.o vendor/cigraph/src/centrality/centrality_other.o vendor/cigraph/src/centrality/centralization.o vendor/cigraph/src/centrality/closeness.o vendor/cigraph/src/centrality/coreness.o vendor/cigraph/src/centrality/eigenvector.o vendor/cigraph/src/centrality/hub_authority.o vendor/cigraph/src/centrality/pagerank.o vendor/cigraph/src/centrality/prpack.o vendor/cigraph/src/centrality/prpack/prpack_base_graph.o vendor/cigraph/src/centrality/prpack/prpack_igraph_graph.o vendor/cigraph/src/centrality/prpack/prpack_preprocessed_ge_graph.o vendor/cigraph/src/centrality/prpack/prpack_preprocessed_gs_graph.o vendor/cigraph/src/centrality/prpack/prpack_preprocessed_scc_graph.o vendor/cigraph/src/centrality/prpack/prpack_preprocessed_schur_graph.o vendor/cigraph/src/centrality/prpack/prpack_result.o vendor/cigraph/src/centrality/prpack/prpack_solver.o vendor/cigraph/src/centrality/prpack/prpack_utils.o vendor/cigraph/src/centrality/truss.o vendor/cigraph/src/cliques/cliquer/cliquer.o vendor/cigraph/src/cliques/cliquer/cliquer_graph.o vendor/cigraph/src/cliques/cliquer/reorder.o vendor/cigraph/src/cliques/cliquer_wrapper.o vendor/cigraph/src/cliques/cliques.o vendor/cigraph/src/cliques/glet.o vendor/cigraph/src/cliques/maximal_cliques.o vendor/cigraph/src/community/community_misc.o vendor/cigraph/src/community/edge_betweenness.o vendor/cigraph/src/community/fast_modularity.o vendor/cigraph/src/community/fluid.o vendor/cigraph/src/community/infomap/infomap.o vendor/cigraph/src/community/infomap/infomap_FlowGraph.o vendor/cigraph/src/community/infomap/infomap_Greedy.o vendor/cigraph/src/community/label_propagation.o vendor/cigraph/src/community/leading_eigenvector.o vendor/cigraph/src/community/leiden.o vendor/cigraph/src/community/louvain.o vendor/cigraph/src/community/modularity.o vendor/cigraph/src/community/optimal_modularity.o vendor/cigraph/src/community/spinglass/NetDataTypes.o vendor/cigraph/src/community/spinglass/NetRoutines.o vendor/cigraph/src/community/spinglass/clustertool.o vendor/cigraph/src/community/spinglass/pottsmodel_2.o vendor/cigraph/src/community/voronoi.o vendor/cigraph/src/community/walktrap/walktrap.o vendor/cigraph/src/community/walktrap/walktrap_communities.o vendor/cigraph/src/community/walktrap/walktrap_graph.o vendor/cigraph/src/community/walktrap/walktrap_heap.o vendor/cigraph/src/connectivity/cohesive_blocks.o vendor/cigraph/src/connectivity/components.o vendor/cigraph/src/connectivity/separators.o vendor/cigraph/src/constructors/adjacency.o vendor/cigraph/src/constructors/atlas.o vendor/cigraph/src/constructors/basic_constructors.o vendor/cigraph/src/constructors/circulant.o vendor/cigraph/src/constructors/de_bruijn.o vendor/cigraph/src/constructors/famous.o vendor/cigraph/src/constructors/full.o vendor/cigraph/src/constructors/generalized_petersen.o vendor/cigraph/src/constructors/kautz.o vendor/cigraph/src/constructors/lattices.o vendor/cigraph/src/constructors/lcf.o vendor/cigraph/src/constructors/linegraph.o vendor/cigraph/src/constructors/prufer.o vendor/cigraph/src/constructors/regular.o vendor/cigraph/src/constructors/trees.o vendor/cigraph/src/core/array.o vendor/cigraph/src/core/buckets.o vendor/cigraph/src/core/cutheap.o vendor/cigraph/src/core/dqueue.o vendor/cigraph/src/core/error.o vendor/cigraph/src/core/estack.o vendor/cigraph/src/core/fixed_vectorlist.o vendor/cigraph/src/core/genheap.o vendor/cigraph/src/core/grid.o vendor/cigraph/src/core/heap.o vendor/cigraph/src/core/indheap.o vendor/cigraph/src/core/interruption.o vendor/cigraph/src/core/marked_queue.o vendor/cigraph/src/core/matrix.o vendor/cigraph/src/core/matrix_list.o vendor/cigraph/src/core/memory.o vendor/cigraph/src/core/printing.o vendor/cigraph/src/core/progress.o vendor/cigraph/src/core/psumtree.o vendor/cigraph/src/core/set.o vendor/cigraph/src/core/sparsemat.o vendor/cigraph/src/core/stack.o vendor/cigraph/src/core/statusbar.o vendor/cigraph/src/core/strvector.o vendor/cigraph/src/core/trie.o vendor/cigraph/src/core/vector.o vendor/cigraph/src/core/vector_list.o vendor/cigraph/src/core/vector_ptr.o vendor/cigraph/src/flow/flow.o vendor/cigraph/src/flow/flow_conversion.o vendor/cigraph/src/flow/st-cuts.o vendor/cigraph/src/games/barabasi.o vendor/cigraph/src/games/callaway_traits.o vendor/cigraph/src/games/citations.o vendor/cigraph/src/games/correlated.o vendor/cigraph/src/games/degree_sequence.o vendor/cigraph/src/games/degree_sequence_vl/gengraph_degree_sequence.o vendor/cigraph/src/games/degree_sequence_vl/gengraph_graph_molloy_hash.o vendor/cigraph/src/games/degree_sequence_vl/gengraph_graph_molloy_optimized.o vendor/cigraph/src/games/degree_sequence_vl/gengraph_mr-connected.o vendor/cigraph/src/games/degree_sequence_vl/gengraph_random.o vendor/cigraph/src/games/dotproduct.o vendor/cigraph/src/games/erdos_renyi.o vendor/cigraph/src/games/establishment.o vendor/cigraph/src/games/forestfire.o vendor/cigraph/src/games/grg.o vendor/cigraph/src/games/growing_random.o vendor/cigraph/src/games/islands.o vendor/cigraph/src/games/k_regular.o vendor/cigraph/src/games/preference.o vendor/cigraph/src/games/recent_degree.o vendor/cigraph/src/games/sbm.o vendor/cigraph/src/games/static_fitness.o vendor/cigraph/src/games/tree.o vendor/cigraph/src/games/watts_strogatz.o vendor/cigraph/src/graph/adjlist.o vendor/cigraph/src/graph/attributes.o vendor/cigraph/src/graph/basic_query.o vendor/cigraph/src/graph/caching.o vendor/cigraph/src/graph/cattributes.o vendor/cigraph/src/graph/graph_list.o vendor/cigraph/src/graph/iterators.o vendor/cigraph/src/graph/type_common.o vendor/cigraph/src/graph/type_indexededgelist.o vendor/cigraph/src/graph/visitors.o vendor/cigraph/src/hrg/hrg.o vendor/cigraph/src/hrg/hrg_types.o vendor/cigraph/src/internal/glpk_support.o vendor/cigraph/src/internal/hacks.o vendor/cigraph/src/internal/lsap.o vendor/cigraph/src/internal/qsort.o vendor/cigraph/src/internal/qsort_r.o vendor/cigraph/src/internal/utils.o vendor/cigraph/src/internal/zeroin.o vendor/cigraph/src/io/dimacs.o vendor/cigraph/src/io/dl.o vendor/cigraph/src/io/dot.o vendor/cigraph/src/io/edgelist.o vendor/cigraph/src/io/gml-tree.o vendor/cigraph/src/io/gml.o vendor/cigraph/src/io/graphdb.o vendor/cigraph/src/io/graphml.o vendor/cigraph/src/io/leda.o vendor/cigraph/src/io/lgl.o vendor/cigraph/src/io/ncol.o vendor/cigraph/src/io/pajek.o vendor/cigraph/src/io/parse_utils.o vendor/cigraph/src/isomorphism/bliss.o vendor/cigraph/src/isomorphism/bliss/defs.o vendor/cigraph/src/isomorphism/bliss/graph.o vendor/cigraph/src/isomorphism/bliss/heap.o vendor/cigraph/src/isomorphism/bliss/orbit.o vendor/cigraph/src/isomorphism/bliss/partition.o vendor/cigraph/src/isomorphism/bliss/uintseqhash.o vendor/cigraph/src/isomorphism/bliss/utils.o vendor/cigraph/src/isomorphism/isoclasses.o vendor/cigraph/src/isomorphism/isomorphism_misc.o vendor/cigraph/src/isomorphism/lad.o vendor/cigraph/src/isomorphism/queries.o vendor/cigraph/src/isomorphism/vf2.o vendor/cigraph/src/layout/circular.o vendor/cigraph/src/layout/davidson_harel.o vendor/cigraph/src/layout/drl/DensityGrid.o vendor/cigraph/src/layout/drl/DensityGrid_3d.o vendor/cigraph/src/layout/drl/drl_graph.o vendor/cigraph/src/layout/drl/drl_graph_3d.o vendor/cigraph/src/layout/drl/drl_layout.o vendor/cigraph/src/layout/drl/drl_layout_3d.o vendor/cigraph/src/layout/drl/drl_parse.o vendor/cigraph/src/layout/fruchterman_reingold.o vendor/cigraph/src/layout/gem.o vendor/cigraph/src/layout/graphopt.o vendor/cigraph/src/layout/kamada_kawai.o vendor/cigraph/src/layout/large_graph.o vendor/cigraph/src/layout/layout_bipartite.o vendor/cigraph/src/layout/layout_grid.o vendor/cigraph/src/layout/layout_random.o vendor/cigraph/src/layout/mds.o vendor/cigraph/src/layout/merge_dla.o vendor/cigraph/src/layout/merge_grid.o vendor/cigraph/src/layout/reingold_tilford.o vendor/cigraph/src/layout/sugiyama.o vendor/cigraph/src/layout/umap.o vendor/cigraph/src/linalg/arpack.o vendor/cigraph/src/linalg/blas.o vendor/cigraph/src/linalg/eigen.o vendor/cigraph/src/linalg/lapack.o vendor/cigraph/src/math/complex.o vendor/cigraph/src/math/safe_intop.o vendor/cigraph/src/math/utils.o vendor/cigraph/src/misc/bipartite.o vendor/cigraph/src/misc/chordality.o vendor/cigraph/src/misc/cocitation.o vendor/cigraph/src/misc/coloring.o vendor/cigraph/src/misc/conversion.o vendor/cigraph/src/misc/cycle_bases.o vendor/cigraph/src/misc/degree_sequence.o vendor/cigraph/src/misc/embedding.o vendor/cigraph/src/misc/feedback_arc_set.o vendor/cigraph/src/misc/graphicality.o vendor/cigraph/src/misc/matching.o vendor/cigraph/src/misc/microscopic_update.o vendor/cigraph/src/misc/mixing.o vendor/cigraph/src/misc/motifs.o vendor/cigraph/src/misc/order_cycle.o vendor/cigraph/src/misc/other.o vendor/cigraph/src/misc/power_law_fit.o vendor/cigraph/src/misc/scan.o vendor/cigraph/src/misc/sir.o vendor/cigraph/src/misc/spanning_trees.o vendor/cigraph/src/operators/add_edge.o vendor/cigraph/src/operators/complementer.o vendor/cigraph/src/operators/compose.o vendor/cigraph/src/operators/connect_neighborhood.o vendor/cigraph/src/operators/contract.o vendor/cigraph/src/operators/difference.o vendor/cigraph/src/operators/disjoint_union.o vendor/cigraph/src/operators/intersection.o vendor/cigraph/src/operators/join.o vendor/cigraph/src/operators/misc_internal.o vendor/cigraph/src/operators/permute.o vendor/cigraph/src/operators/reverse.o vendor/cigraph/src/operators/rewire.o vendor/cigraph/src/operators/rewire_edges.o vendor/cigraph/src/operators/simplify.o vendor/cigraph/src/operators/subgraph.o vendor/cigraph/src/operators/union.o vendor/cigraph/src/paths/all_shortest_paths.o vendor/cigraph/src/paths/astar.o vendor/cigraph/src/paths/bellman_ford.o vendor/cigraph/src/paths/dijkstra.o vendor/cigraph/src/paths/distances.o vendor/cigraph/src/paths/eulerian.o vendor/cigraph/src/paths/floyd_warshall.o vendor/cigraph/src/paths/histogram.o vendor/cigraph/src/paths/johnson.o vendor/cigraph/src/paths/random_walk.o vendor/cigraph/src/paths/shortest_paths.o vendor/cigraph/src/paths/simple_paths.o vendor/cigraph/src/paths/sparsifier.o vendor/cigraph/src/paths/unweighted.o vendor/cigraph/src/paths/voronoi.o vendor/cigraph/src/paths/widest_paths.o vendor/cigraph/src/properties/basic_properties.o vendor/cigraph/src/properties/complete.o vendor/cigraph/src/properties/constraint.o vendor/cigraph/src/properties/convergence_degree.o vendor/cigraph/src/properties/dag.o vendor/cigraph/src/properties/degrees.o vendor/cigraph/src/properties/ecc.o vendor/cigraph/src/properties/girth.o vendor/cigraph/src/properties/loops.o vendor/cigraph/src/properties/multiplicity.o vendor/cigraph/src/properties/neighborhood.o vendor/cigraph/src/properties/perfect.o vendor/cigraph/src/properties/spectral.o vendor/cigraph/src/properties/trees.o vendor/cigraph/src/properties/triangles.o vendor/cigraph/src/random/random.o vendor/cigraph/src/random/rng_glibc2.o vendor/cigraph/src/random/rng_mt19937.o vendor/cigraph/src/random/rng_pcg32.o vendor/cigraph/src/random/rng_pcg64.o vendor/cigraph/src/version.o vendor/cigraph/vendor/cs/cs_add.o vendor/cigraph/vendor/cs/cs_amd.o vendor/cigraph/vendor/cs/cs_chol.o vendor/cigraph/vendor/cs/cs_cholsol.o vendor/cigraph/vendor/cs/cs_compress.o vendor/cigraph/vendor/cs/cs_counts.o vendor/cigraph/vendor/cs/cs_cumsum.o vendor/cigraph/vendor/cs/cs_dfs.o vendor/cigraph/vendor/cs/cs_dmperm.o vendor/cigraph/vendor/cs/cs_droptol.o vendor/cigraph/vendor/cs/cs_dropzeros.o vendor/cigraph/vendor/cs/cs_dupl.o vendor/cigraph/vendor/cs/cs_entry.o vendor/cigraph/vendor/cs/cs_ereach.o vendor/cigraph/vendor/cs/cs_etree.o vendor/cigraph/vendor/cs/cs_fkeep.o vendor/cigraph/vendor/cs/cs_gaxpy.o vendor/cigraph/vendor/cs/cs_happly.o vendor/cigraph/vendor/cs/cs_house.o vendor/cigraph/vendor/cs/cs_ipvec.o vendor/cigraph/vendor/cs/cs_leaf.o vendor/cigraph/vendor/cs/cs_load.o vendor/cigraph/vendor/cs/cs_lsolve.o vendor/cigraph/vendor/cs/cs_ltsolve.o vendor/cigraph/vendor/cs/cs_lu.o vendor/cigraph/vendor/cs/cs_lusol.o vendor/cigraph/vendor/cs/cs_malloc.o vendor/cigraph/vendor/cs/cs_maxtrans.o vendor/cigraph/vendor/cs/cs_multiply.o vendor/cigraph/vendor/cs/cs_norm.o vendor/cigraph/vendor/cs/cs_permute.o vendor/cigraph/vendor/cs/cs_pinv.o vendor/cigraph/vendor/cs/cs_post.o vendor/cigraph/vendor/cs/cs_print.o vendor/cigraph/vendor/cs/cs_pvec.o vendor/cigraph/vendor/cs/cs_qr.o vendor/cigraph/vendor/cs/cs_qrsol.o vendor/cigraph/vendor/cs/cs_randperm.o vendor/cigraph/vendor/cs/cs_reach.o vendor/cigraph/vendor/cs/cs_scatter.o vendor/cigraph/vendor/cs/cs_scc.o vendor/cigraph/vendor/cs/cs_schol.o vendor/cigraph/vendor/cs/cs_spsolve.o vendor/cigraph/vendor/cs/cs_sqr.o vendor/cigraph/vendor/cs/cs_symperm.o vendor/cigraph/vendor/cs/cs_tdfs.o vendor/cigraph/vendor/cs/cs_transpose.o vendor/cigraph/vendor/cs/cs_updown.o vendor/cigraph/vendor/cs/cs_usolve.o vendor/cigraph/vendor/cs/cs_util.o vendor/cigraph/vendor/cs/cs_utsolve.o vendor/cigraph/vendor/pcg/pcg-advance-128.o vendor/cigraph/vendor/pcg/pcg-advance-64.o vendor/cigraph/vendor/pcg/pcg-output-128.o vendor/cigraph/vendor/pcg/pcg-output-32.o vendor/cigraph/vendor/pcg/pcg-output-64.o vendor/cigraph/vendor/pcg/pcg-rngs-128.o vendor/cigraph/vendor/pcg/pcg-rngs-64.o vendor/cigraph/vendor/plfit/gss.o vendor/cigraph/vendor/plfit/hzeta.o vendor/cigraph/vendor/plfit/kolmogorov.o vendor/cigraph/vendor/plfit/lbfgs.o vendor/cigraph/vendor/plfit/mt.o vendor/cigraph/vendor/plfit/options.o vendor/cigraph/vendor/plfit/platform.o vendor/cigraph/vendor/plfit/plfit.o vendor/cigraph/vendor/plfit/plfit_error.o vendor/cigraph/vendor/plfit/rbinom.o vendor/cigraph/vendor/plfit/sampling.o vendor/io/dl-lexer.o vendor/io/dl-parser.o vendor/io/gml-lexer.o vendor/io/gml-parser.o vendor/io/lgl-lexer.o vendor/io/lgl-parser.o vendor/io/ncol-lexer.o vendor/io/ncol-parser.o vendor/io/pajek-lexer.o vendor/io/pajek-parser.o vendor/simpleraytracer/Color.o vendor/simpleraytracer/Light.o vendor/simpleraytracer/Point.o vendor/simpleraytracer/Ray.o vendor/simpleraytracer/RayTracer.o vendor/simpleraytracer/RayVector.o vendor/simpleraytracer/Shape.o vendor/simpleraytracer/Sphere.o vendor/simpleraytracer/Triangle.o vendor/simpleraytracer/unit_limiter.o vendor/uuid/R.o vendor/uuid/clear.o vendor/uuid/compare.o vendor/uuid/copy.o vendor/uuid/gen_uuid.o vendor/uuid/isnull.o vendor/uuid/pack.o vendor/uuid/parse.o vendor/uuid/unpack.o vendor/uuid/unparse.o vendor/cigraph/vendor/mini-gmp/mini-gmp.o -lxml2 -lglpk -llapack -L/home/hornik/tmp/R.check/r-release-gcc/Work/build/lib -lRblas -lgfortran -lm -lquadmath -L/home/hornik/tmp/R.check/r-release-gcc/Work/build/lib -lR
make[1]: Leaving directory '/tmp/RtmpqazjZx/R.INSTALL32b5d33f3e47c2/igraph/src'
make[1]: Entering directory '/tmp/RtmpqazjZx/R.INSTALL32b5d33f3e47c2/igraph/src'
make[1]: Leaving directory '/tmp/RtmpqazjZx/R.INSTALL32b5d33f3e47c2/igraph/src'
installing to /home/hornik/tmp/R.check/r-release-gcc/Work/build/Packages/00LOCK-igraph/00new/igraph/libs
** R
** demo
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
*** copying figures
** building package indices
** installing vignettes
** testing if installed package can be loaded from temporary location
** checking absolute paths in shared objects and dynamic libraries
** testing if installed package can be loaded from final location
** testing if installed package keeps a record of temporary installation path
* DONE (igraph)