* installing to library ‘/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages’
* installing *source* package ‘BigQuic’ ...
** package ‘BigQuic’ successfully unpacked and MD5 sums checked
** using staged installation
** 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/Rtmp1BtUXX/R.INSTALL2c631045a59380/BigQuic/src'
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c BigQuic_init.c -o BigQuic_init.o
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c RcppExports.cpp -o RcppExports.o
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c balance.c -o balance.o
balance.c: In function ‘__Balance2Way’:
balance.c:27:17: warning: unused variable ‘ed’ [-Wunused-variable]
   27 |   idxtype *id, *ed;
      |                 ^~
balance.c:27:12: warning: unused variable ‘id’ [-Wunused-variable]
   27 |   idxtype *id, *ed;
      |            ^~
balance.c:26:32: warning: unused variable ‘gain’ [-Wunused-variable]
   26 |   int i, j, nvtxs, from, imax, gain, mindiff;
      |                                ^~~~
balance.c:26:26: warning: unused variable ‘imax’ [-Wunused-variable]
   26 |   int i, j, nvtxs, from, imax, gain, mindiff;
      |                          ^~~~
balance.c:26:20: warning: unused variable ‘from’ [-Wunused-variable]
   26 |   int i, j, nvtxs, from, imax, gain, mindiff;
      |                    ^~~~
balance.c:26:13: warning: unused variable ‘nvtxs’ [-Wunused-variable]
   26 |   int i, j, nvtxs, from, imax, gain, mindiff;
      |             ^~~~~
balance.c:26:10: warning: unused variable ‘j’ [-Wunused-variable]
   26 |   int i, j, nvtxs, from, imax, gain, mindiff;
      |          ^
balance.c:26:7: warning: unused variable ‘i’ [-Wunused-variable]
   26 |   int i, j, nvtxs, from, imax, gain, mindiff;
      |       ^
balance.c: In function ‘__Bnd2WayBalance’:
balance.c:53:63: warning: unused variable ‘me’ [-Wunused-variable]
   53 |   int i, ii, j, k, kwgt, nvtxs, nbnd, nswaps, from, to, pass, me, tmp;
      |                                                               ^~
balance.c:53:57: warning: unused variable ‘pass’ [-Wunused-variable]
   53 |   int i, ii, j, k, kwgt, nvtxs, nbnd, nswaps, from, to, pass, me, tmp;
      |                                                         ^~~~
balance.c: In function ‘__General2WayBalance’:
balance.c:179:63: warning: unused variable ‘me’ [-Wunused-variable]
  179 |   int i, ii, j, k, kwgt, nvtxs, nbnd, nswaps, from, to, pass, me, tmp;
      |                                                               ^~
balance.c:179:57: warning: unused variable ‘pass’ [-Wunused-variable]
  179 |   int i, ii, j, k, kwgt, nvtxs, nbnd, nswaps, from, to, pass, me, tmp;
      |                                                         ^~~~
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c bigquic-run.cpp -o bigquic-run.o
In file included from bigquic-run.cpp:18:
bigquic.h: In member function ‘void smat_t::ComputeAx_omp(std::vector<double>&, std::vector<double>&, long int)’:
bigquic.h:216:25: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
  216 |                         for ( long i=0 ; i<p_ ; i++ )
      |                         ^~~
bigquic.h:218:33: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
  218 |                                 for (long i=0 ; i<p_ ; i++ )
      |                                 ^~~
bigquic.h: In member function ‘int smat_t::ComputeLogdet_serial(double&, double)’:
bigquic.h:342:29: warning: unused variable ‘pd’ [-Wunused-variable]
  342 |                         int pd = 1;
      |                             ^~
bigquic.h: In member function ‘int smat_t::ComputeLogdet(double&, double)’:
bigquic.h:388:29: warning: unused variable ‘pd’ [-Wunused-variable]
  388 |                         int pd = 1;
      |                             ^~
g++-13 -std=gnu++17 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3  -fopenmp -fpic  -g -O2 -Wall -pedantic -mtune=native   -c bigquic.cpp -o bigquic.o
In file included from bigquic.cpp:6:
bigquic.h: In member function ‘void smat_t::ComputeAx_omp(std::vector<double>&, std::vector<double>&, long int)’:
bigquic.h:216:25: warning: this ‘for’ clause does not guard... [-Wmisleading-indentation]
  216 |                         for ( long i=0 ; i<p_ ; i++ )
      |                         ^~~
bigquic.h:218:33: note: ...this statement, but the latter is misleadingly indented as if it were guarded by the ‘for’
  218 |                                 for (long i=0 ; i<p_ ; i++ )
      |                                 ^~~
bigquic.h: In member function ‘int smat_t::ComputeLogdet_serial(double&, double)’:
bigquic.h:342:29: warning: unused variable ‘pd’ [-Wunused-variable]
  342 |                         int pd = 1;
      |                             ^~
bigquic.h: In member function ‘int smat_t::ComputeLogdet(double&, double)’:
bigquic.h:388:29: warning: unused variable ‘pd’ [-Wunused-variable]
  388 |                         int pd = 1;
      |                             ^~
bigquic.cpp: In function ‘double DiagNewton(long int, long int, const double*, double, smat_t*, smat_t*, double&, long int, std::vector<long int>&)’:
bigquic.cpp:106:11: warning: unused variable ‘timebegin’ [-Wunused-variable]
  106 |    double timebegin; // = omp_get_wtime();
      |           ^~~~~~~~~
bigquic.cpp: In function ‘void QUIC(int, int, double*, double, double, int, int, int, int, smat_t&, std::vector<double>&, std::vector<double>&)’:
bigquic.cpp:392:17: warning: unused variable ‘iserr’ [-Wunused-variable]
  392 |             int iserr = 0;
      |                 ^~~~~
bigquic.cpp:677:26: warning: unused variable ‘tttbegin’ [-Wunused-variable]
  677 |                   double tttbegin; //= omp_get_wtime();
      |                          ^~~~~~~~
bigquic.cpp:339:14: warning: unused variable ‘newton_loop_time_begin’ [-Wunused-variable]
  339 |       double newton_loop_time_begin; // = omp_get_wtime();
      |              ^~~~~~~~~~~~~~~~~~~~~~
bigquic.cpp:881:14: warning: unused variable ‘timebegin’ [-Wunused-variable]
  881 |       double timebegin; // = omp_get_wtime();
      |              ^~~~~~~~~
bigquic.cpp:271:11: warning: variable ‘trSX’ set but not used [-Wunused-but-set-variable]
  271 |    double trSX = 0.0;
      |           ^~~~
bigquic.cpp:272:11: warning: variable ‘logdetX’ set but not used [-Wunused-but-set-variable]
  272 |    double logdetX = 0.0;
      |           ^~~~~~~
bigquic.cpp:324:11: warning: unused variable ‘total_time_cd’ [-Wunused-variable]
  324 |    double total_time_cd = 0;
      |           ^~~~~~~~~~~~~
bigquic.cpp:325:11: warning: unused variable ‘total_time_Wcomp’ [-Wunused-variable]
  325 |    double total_time_Wcomp = 0;
      |           ^~~~~~~~~~~~~~~~
bigquic.cpp:326:11: warning: unused variable ‘total_time_Ucomp’ [-Wunused-variable]
  326 |    double total_time_Ucomp = 0;
      |           ^~~~~~~~~~~~~~~~
bigquic.cpp:327:11: warning: unused variable ‘total_time_FormActive’ [-Wunused-variable]
  327 |    double total_time_FormActive = 0;
      |           ^~~~~~~~~~~~~~~~~~~~~
bigquic.cpp:328:11: warning: unused variable ‘total_time_linesearch’ [-Wunused-variable]
  328 |    double total_time_linesearch = 0;
      |           ^~~~~~~~~~~~~~~~~~~~~
bigquic.cpp:329:11: warning: unused variable ‘total_time_gradient’ [-Wunused-variable]
  329 |    double total_time_gradient = 0;
      |           ^~~~~~~~~~~~~~~~~~~
bigquic.cpp:330:11: warning: unused variable ‘total_scan_freeset’ [-Wunused-variable]
  330 |    double total_scan_freeset = 0;
      |           ^~~~~~~~~~~~~~~~~~
bigquic.cpp:332:18: warning: unused variable ‘pathIdx’ [-Wunused-variable]
  332 |    unsigned long pathIdx = 0;
      |                  ^~~~~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c bucketsort.c -o bucketsort.o
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c ccgraph.c -o ccgraph.o
ccgraph.c: In function ‘__CreateCoarseGraph’:
ccgraph.c:27:24: warning: unused variable ‘l’ [-Wunused-variable]
   27 |   int i, j, jj, k, kk, l, m, istart, iend, nvtxs, nedges, ncon, cnedges, v, u, mask, dovsize;
      |                        ^
ccgraph.c: In function ‘__CreateCoarseGraph_NVW’:
ccgraph.c:339:18: warning: variable ‘cnvwgt’ set but not used [-Wunused-but-set-variable]
  339 |   float *nvwgt, *cnvwgt;
      |                  ^~~~~~
ccgraph.c:339:10: warning: variable ‘nvwgt’ set but not used [-Wunused-but-set-variable]
  339 |   float *nvwgt, *cnvwgt;
      |          ^~~~~
ccgraph.c:335:59: warning: variable ‘ncon’ set but not used [-Wunused-but-set-variable]
  335 |   int i, j, jj, k, kk, l, m, istart, iend, nvtxs, nedges, ncon, cnedges, v, u, mask;
      |                                                           ^~~~
ccgraph.c:335:24: warning: unused variable ‘l’ [-Wunused-variable]
  335 |   int i, j, jj, k, kk, l, m, istart, iend, nvtxs, nedges, ncon, cnedges, v, u, mask;
      |                        ^
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c coarsen.c -o coarsen.o
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c compress.c -o compress.o
compress.c: In function ‘__PruneGraph’:
compress.c:167:40: warning: unused variable ‘pvwgt’ [-Wunused-variable]
  167 |   idxtype *pxadj, *padjncy, *padjwgt, *pvwgt;
      |                                        ^~~~~
compress.c:167:30: warning: unused variable ‘padjwgt’ [-Wunused-variable]
  167 |   idxtype *pxadj, *padjncy, *padjwgt, *pvwgt;
      |                              ^~~~~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c debug.c -o debug.o
debug.c: In function ‘__CheckBnd’:
debug.c:151:45: warning: variable ‘bndind’ set but not used [-Wunused-but-set-variable]
  151 |   idxtype *xadj, *adjncy, *where, *bndptr, *bndind;
      |                                             ^~~~~~
debug.c:151:36: warning: variable ‘bndptr’ set but not used [-Wunused-but-set-variable]
  151 |   idxtype *xadj, *adjncy, *where, *bndptr, *bndind;
      |                                    ^~~~~~
debug.c: In function ‘__CheckBnd2’:
debug.c:187:45: warning: variable ‘bndind’ set but not used [-Wunused-but-set-variable]
  187 |   idxtype *xadj, *adjncy, *where, *bndptr, *bndind;
      |                                             ^~~~~~
debug.c:187:36: warning: variable ‘bndptr’ set but not used [-Wunused-but-set-variable]
  187 |   idxtype *xadj, *adjncy, *where, *bndptr, *bndind;
      |                                    ^~~~~~
debug.c: In function ‘__CheckNodeBnd’:
debug.c:222:45: warning: variable ‘bndind’ set but not used [-Wunused-but-set-variable]
  222 |   idxtype *xadj, *adjncy, *where, *bndptr, *bndind;
      |                                             ^~~~~~
debug.c:222:36: warning: variable ‘bndptr’ set but not used [-Wunused-but-set-variable]
  222 |   idxtype *xadj, *adjncy, *where, *bndptr, *bndind;
      |                                    ^~~~~~
debug.c:222:19: warning: variable ‘adjncy’ set but not used [-Wunused-but-set-variable]
  222 |   idxtype *xadj, *adjncy, *where, *bndptr, *bndind;
      |                   ^~~~~~
debug.c:222:12: warning: variable ‘xadj’ set but not used [-Wunused-but-set-variable]
  222 |   idxtype *xadj, *adjncy, *where, *bndptr, *bndind;
      |            ^~~~
debug.c:221:10: warning: unused variable ‘j’ [-Wunused-variable]
  221 |   int i, j, nvtxs, nbnd;
      |          ^
debug.c: In function ‘__CheckNodePartitionParams’:
debug.c:275:28: warning: variable ‘adjwgt’ set but not used [-Wunused-but-set-variable]
  275 |   idxtype *xadj, *adjncy, *adjwgt, *vwgt, *where;
      |                            ^~~~~~
debug.c:274:16: warning: unused variable ‘l’ [-Wunused-variable]
  274 |   int i, j, k, l, nvtxs, me, other;
      |                ^
debug.c:274:13: warning: unused variable ‘k’ [-Wunused-variable]
  274 |   int i, j, k, l, nvtxs, me, other;
      |             ^
debug.c: In function ‘__IsSeparable’:
debug.c:322:19: warning: variable ‘adjncy’ set but not used [-Wunused-but-set-variable]
  322 |   idxtype *xadj, *adjncy, *where;
      |                   ^~~~~~
debug.c:321:20: warning: variable ‘other’ set but not used [-Wunused-but-set-variable]
  321 |   int i, j, nvtxs, other;
      |                    ^~~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c estmem.c -o estmem.o
estmem.c: In function ‘METIS_EstimateMemory’:
estmem.c:27:13: warning: unused variable ‘k’ [-Wunused-variable]
   27 |   int i, j, k, nedges, nlevels;
      |             ^
estmem.c:27:10: warning: unused variable ‘j’ [-Wunused-variable]
   27 |   int i, j, k, nedges, nlevels;
      |          ^
estmem.c:27:7: warning: unused variable ‘i’ [-Wunused-variable]
   27 |   int i, j, k, nedges, nlevels;
      |       ^
estmem.c: In function ‘__ComputeCoarseGraphSize’:
estmem.c:116:30: warning: unused variable ‘nedges’ [-Wunused-variable]
  116 |   int i, j, k, istart, iend, nedges, cnedges, v, u;
      |                              ^~~~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c fm.c -o fm.o
fm.c: In function ‘__FM_2WayEdgeRefine’:
fm.c:26:63: warning: unused variable ‘me’ [-Wunused-variable]
   26 |   int i, ii, j, k, kwgt, nvtxs, nbnd, nswaps, from, to, pass, me, limit, tmp;
      |                                                               ^~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c fortran.c -o fortran.o
fortran.c: In function ‘__ChangeMesh2FNumbering2’:
fortran.c:132:10: warning: unused variable ‘nedges’ [-Wunused-variable]
  132 |   int i, nedges;
      |          ^~~~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c frename.c -o frename.o
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c graph.c -o graph.o
graph.c: In function ‘__SetUpGraph’:
graph.c:27:13: warning: unused variable ‘k’ [-Wunused-variable]
   27 |   int i, j, k, sum, gsize;
      |             ^
graph.c: In function ‘__VolSetUpGraph’:
graph.c:217:13: warning: unused variable ‘k’ [-Wunused-variable]
  217 |   int i, j, k, sum, gsize;
      |             ^
graph.c: In function ‘__IsConnected2’:
graph.c:498:28: warning: variable ‘where’ set but not used [-Wunused-but-set-variable]
  498 |   idxtype *xadj, *adjncy, *where, *touched, *queue;
      |                            ^~~~~
graph.c:497:50: warning: unused variable ‘wgt’ [-Wunused-variable]
  497 |   int i, j, k, nvtxs, first, last, nleft, ncmps, wgt;
      |                                                  ^~~
graph.c: In function ‘__FindComponents’:
graph.c:563:28: warning: variable ‘where’ set but not used [-Wunused-but-set-variable]
  563 |   idxtype *xadj, *adjncy, *where, *touched, *queue;
      |                            ^~~~~
graph.c:562:50: warning: unused variable ‘wgt’ [-Wunused-variable]
  562 |   int i, j, k, nvtxs, first, last, nleft, ncmps, wgt;
      |                                                  ^~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c initpart.c -o initpart.o
initpart.c: In function ‘__GrowBisection’:
initpart.c:89:30: warning: unused variable ‘gain’ [-Wunused-variable]
   89 |   idxtype *queue, *touched, *gain, *bestwhere;
      |                              ^~~~
initpart.c:88:35: warning: variable ‘adjwgt’ set but not used [-Wunused-but-set-variable]
   88 |   idxtype *xadj, *vwgt, *adjncy, *adjwgt, *where;
      |                                   ^~~~~~
initpart.c:87:117: warning: unused variable ‘pass’ [-Wunused-variable]
   87 |   int i, j, k, nvtxs, drain, nleft, first, last, pwgts[2], minpwgt[2], maxpwgt[2], from, bestcut, icut, mincut, me, pass, nbfs;
      |                                                                                                                     ^~~~
initpart.c:87:113: warning: unused variable ‘me’ [-Wunused-variable]
   87 |   int i, j, k, nvtxs, drain, nleft, first, last, pwgts[2], minpwgt[2], maxpwgt[2], from, bestcut, icut, mincut, me, pass, nbfs;
      |                                                                                                                 ^~
initpart.c:87:105: warning: unused variable ‘mincut’ [-Wunused-variable]
   87 |   int i, j, k, nvtxs, drain, nleft, first, last, pwgts[2], minpwgt[2], maxpwgt[2], from, bestcut, icut, mincut, me, pass, nbfs;
      |                                                                                                         ^~~~~~
initpart.c:87:99: warning: unused variable ‘icut’ [-Wunused-variable]
   87 |   int i, j, k, nvtxs, drain, nleft, first, last, pwgts[2], minpwgt[2], maxpwgt[2], from, bestcut, icut, mincut, me, pass, nbfs;
      |                                                                                                   ^~~~
initpart.c:87:84: warning: unused variable ‘from’ [-Wunused-variable]
   87 |   int i, j, k, nvtxs, drain, nleft, first, last, pwgts[2], minpwgt[2], maxpwgt[2], from, bestcut, icut, mincut, me, pass, nbfs;
      |                                                                                    ^~~~
initpart.c: In function ‘__GrowBisectionNode’:
initpart.c:217:30: warning: unused variable ‘gain’ [-Wunused-variable]
  217 |   idxtype *queue, *touched, *gain, *bestwhere;
      |                              ^~~~
initpart.c:216:35: warning: variable ‘adjwgt’ set but not used [-Wunused-but-set-variable]
  216 |   idxtype *xadj, *vwgt, *adjncy, *adjwgt, *where, *bndind;
      |                                   ^~~~~~
initpart.c:215:128: warning: unused variable ‘pass’ [-Wunused-variable]
  215 |   int i, j, k, nvtxs, drain, nleft, first, last, pwgts[2], tpwgts[2], minpwgt[2], maxpwgt[2], from, bestcut, icut, mincut, me, pass, nbfs;
      |                                                                                                                                ^~~~
initpart.c:215:124: warning: unused variable ‘me’ [-Wunused-variable]
  215 |   int i, j, k, nvtxs, drain, nleft, first, last, pwgts[2], tpwgts[2], minpwgt[2], maxpwgt[2], from, bestcut, icut, mincut, me, pass, nbfs;
      |                                                                                                                            ^~
initpart.c:215:116: warning: unused variable ‘mincut’ [-Wunused-variable]
  215 |   int i, j, k, nvtxs, drain, nleft, first, last, pwgts[2], tpwgts[2], minpwgt[2], maxpwgt[2], from, bestcut, icut, mincut, me, pass, nbfs;
      |                                                                                                                    ^~~~~~
initpart.c:215:110: warning: unused variable ‘icut’ [-Wunused-variable]
  215 |   int i, j, k, nvtxs, drain, nleft, first, last, pwgts[2], tpwgts[2], minpwgt[2], maxpwgt[2], from, bestcut, icut, mincut, me, pass, nbfs;
      |                                                                                                              ^~~~
initpart.c:215:95: warning: unused variable ‘from’ [-Wunused-variable]
  215 |   int i, j, k, nvtxs, drain, nleft, first, last, pwgts[2], tpwgts[2], minpwgt[2], maxpwgt[2], from, bestcut, icut, mincut, me, pass, nbfs;
      |                                                                                               ^~~~
initpart.c: In function ‘__RandomBisection’:
initpart.c:352:35: warning: variable ‘adjwgt’ set but not used [-Wunused-but-set-variable]
  352 |   idxtype *xadj, *vwgt, *adjncy, *adjwgt, *where;
      |                                   ^~~~~~
initpart.c:352:26: warning: variable ‘adjncy’ set but not used [-Wunused-but-set-variable]
  352 |   idxtype *xadj, *vwgt, *adjncy, *adjwgt, *where;
      |                          ^~~~~~
initpart.c:352:12: warning: variable ‘xadj’ set but not used [-Wunused-but-set-variable]
  352 |   idxtype *xadj, *vwgt, *adjncy, *adjwgt, *where;
      |            ^~~~
initpart.c:351:94: warning: unused variable ‘pass’ [-Wunused-variable]
  351 |   int i, ii, j, k, nvtxs, pwgts[2], minpwgt[2], maxpwgt[2], from, bestcut, icut, mincut, me, pass, nbfs;
      |                                                                                              ^~~~
initpart.c:351:90: warning: unused variable ‘me’ [-Wunused-variable]
  351 |   int i, ii, j, k, nvtxs, pwgts[2], minpwgt[2], maxpwgt[2], from, bestcut, icut, mincut, me, pass, nbfs;
      |                                                                                          ^~
initpart.c:351:82: warning: unused variable ‘mincut’ [-Wunused-variable]
  351 |   int i, ii, j, k, nvtxs, pwgts[2], minpwgt[2], maxpwgt[2], from, bestcut, icut, mincut, me, pass, nbfs;
      |                                                                                  ^~~~~~
initpart.c:351:76: warning: unused variable ‘icut’ [-Wunused-variable]
  351 |   int i, ii, j, k, nvtxs, pwgts[2], minpwgt[2], maxpwgt[2], from, bestcut, icut, mincut, me, pass, nbfs;
      |                                                                            ^~~~
initpart.c:351:61: warning: unused variable ‘from’ [-Wunused-variable]
  351 |   int i, ii, j, k, nvtxs, pwgts[2], minpwgt[2], maxpwgt[2], from, bestcut, icut, mincut, me, pass, nbfs;
      |                                                             ^~~~
initpart.c:351:17: warning: unused variable ‘k’ [-Wunused-variable]
  351 |   int i, ii, j, k, nvtxs, pwgts[2], minpwgt[2], maxpwgt[2], from, bestcut, icut, mincut, me, pass, nbfs;
      |                 ^
initpart.c:351:14: warning: unused variable ‘j’ [-Wunused-variable]
  351 |   int i, ii, j, k, nvtxs, pwgts[2], minpwgt[2], maxpwgt[2], from, bestcut, icut, mincut, me, pass, nbfs;
      |              ^
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c kmetis.c -o kmetis.o
kmetis.c: In function ‘METIS_WPartGraphKway’:
kmetis.c:50:10: warning: unused variable ‘j’ [-Wunused-variable]
   50 |   int i, j;
      |          ^
kmetis.c:50:7: warning: unused variable ‘i’ [-Wunused-variable]
   50 |   int i, j;
      |       ^
kmetis.c: In function ‘__MlevelKWayPartitioning’:
kmetis.c:98:27: warning: unused variable ‘tpwgts2’ [-Wunused-variable]
   98 |   int i, j, nvtxs, tvwgt, tpwgts2[2];
      |                           ^~~~~~~
kmetis.c:98:20: warning: unused variable ‘tvwgt’ [-Wunused-variable]
   98 |   int i, j, nvtxs, tvwgt, tpwgts2[2];
      |                    ^~~~~
kmetis.c:98:13: warning: unused variable ‘nvtxs’ [-Wunused-variable]
   98 |   int i, j, nvtxs, tvwgt, tpwgts2[2];
      |             ^~~~~
kmetis.c:98:10: warning: unused variable ‘j’ [-Wunused-variable]
   98 |   int i, j, nvtxs, tvwgt, tpwgts2[2];
      |          ^
kmetis.c:98:7: warning: unused variable ‘i’ [-Wunused-variable]
   98 |   int i, j, nvtxs, tvwgt, tpwgts2[2];
      |       ^
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c kvmetis.c -o kvmetis.o
kvmetis.c: In function ‘METIS_WPartGraphVKway’:
kvmetis.c:50:10: warning: unused variable ‘j’ [-Wunused-variable]
   50 |   int i, j;
      |          ^
kvmetis.c:50:7: warning: unused variable ‘i’ [-Wunused-variable]
   50 |   int i, j;
      |       ^
kvmetis.c: In function ‘__MlevelVolKWayPartitioning’:
kvmetis.c:100:27: warning: unused variable ‘tpwgts2’ [-Wunused-variable]
  100 |   int i, j, nvtxs, tvwgt, tpwgts2[2];
      |                           ^~~~~~~
kvmetis.c:100:20: warning: unused variable ‘tvwgt’ [-Wunused-variable]
  100 |   int i, j, nvtxs, tvwgt, tpwgts2[2];
      |                    ^~~~~
kvmetis.c:100:13: warning: unused variable ‘nvtxs’ [-Wunused-variable]
  100 |   int i, j, nvtxs, tvwgt, tpwgts2[2];
      |             ^~~~~
kvmetis.c:100:10: warning: unused variable ‘j’ [-Wunused-variable]
  100 |   int i, j, nvtxs, tvwgt, tpwgts2[2];
      |          ^
kvmetis.c:100:7: warning: unused variable ‘i’ [-Wunused-variable]
  100 |   int i, j, nvtxs, tvwgt, tpwgts2[2];
      |       ^
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c kwayfm.c -o kwayfm.o
kwayfm.c: In function ‘__Random_KWayEdgeRefine’:
kwayfm.c:24:29: warning: unused variable ‘l’ [-Wunused-variable]
   24 |   int i, ii, iii, j, jj, k, l, pass, nvtxs, nmoves, nbnd, tvwgt, myndegrees;
      |                             ^
kwayfm.c:24:22: warning: unused variable ‘jj’ [-Wunused-variable]
   24 |   int i, ii, iii, j, jj, k, l, pass, nvtxs, nmoves, nbnd, tvwgt, myndegrees;
      |                      ^~
kwayfm.c: In function ‘__Greedy_KWayEdgeRefine’:
kwayfm.c:227:29: warning: unused variable ‘l’ [-Wunused-variable]
  227 |   int i, ii, iii, j, jj, k, l, pass, nvtxs, nbnd, tvwgt, myndegrees, oldgain, gain;
      |                             ^
kwayfm.c:227:22: warning: unused variable ‘jj’ [-Wunused-variable]
  227 |   int i, ii, iii, j, jj, k, l, pass, nvtxs, nbnd, tvwgt, myndegrees, oldgain, gain;
      |                      ^~
kwayfm.c: In function ‘__Greedy_KWayEdgeBalance’:
kwayfm.c:458:21: warning: variable ‘oldcut’ set but not used [-Wunused-but-set-variable]
  458 |   int from, me, to, oldcut, vwgt;
      |                     ^~~~~~
kwayfm.c:457:29: warning: unused variable ‘l’ [-Wunused-variable]
  457 |   int i, ii, iii, j, jj, k, l, pass, nvtxs, nbnd, tvwgt, myndegrees, oldgain, gain, nmoves;
      |                             ^
kwayfm.c:457:22: warning: unused variable ‘jj’ [-Wunused-variable]
  457 |   int i, ii, iii, j, jj, k, l, pass, nvtxs, nbnd, tvwgt, myndegrees, oldgain, gain, nmoves;
      |                      ^~
kwayfm.c:457:14: warning: unused variable ‘iii’ [-Wunused-variable]
  457 |   int i, ii, iii, j, jj, k, l, pass, nvtxs, nbnd, tvwgt, myndegrees, oldgain, gain, nmoves;
      |              ^~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c kwayrefine.c -o kwayrefine.o
kwayrefine.c: In function ‘__ComputeKWayPartitionParams’:
kwayrefine.c:147:16: warning: unused variable ‘l’ [-Wunused-variable]
  147 |   int i, j, k, l, nvtxs, nbnd, mincut, me, other;
      |                ^
kwayrefine.c: In function ‘__IsBalanced’:
kwayrefine.c:335:10: warning: unused variable ‘j’ [-Wunused-variable]
  335 |   int i, j, tvwgt;
      |          ^
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c kwayvolfm.c -o kwayvolfm.o
kwayvolfm.c: In function ‘__Random_KWayVolRefine’:
kwayvolfm.c:28:35: warning: variable ‘bndptr’ set but not used [-Wunused-but-set-variable]
   28 |   idxtype *where, *pwgts, *perm, *bndptr, *bndind, *minwgt, *maxwgt, *itpwgts, *updind, *marker, *phtable;
      |                                   ^~~~~~
kwayvolfm.c:27:28: warning: variable ‘adjwgt’ set but not used [-Wunused-but-set-variable]
   27 |   idxtype *xadj, *adjncy, *adjwgt;
      |                            ^~~~~~
kwayvolfm.c:27:19: warning: variable ‘adjncy’ set but not used [-Wunused-but-set-variable]
   27 |   idxtype *xadj, *adjncy, *adjwgt;
      |                   ^~~~~~
kwayvolfm.c:27:12: warning: variable ‘xadj’ set but not used [-Wunused-but-set-variable]
   27 |   idxtype *xadj, *adjncy, *adjwgt;
      |            ^~~~
kwayvolfm.c:26:13: warning: unused variable ‘me’ [-Wunused-variable]
   26 |   int from, me, to, oldcut, oldvol, vwgt;
      |             ^~
kwayvolfm.c:25:36: warning: unused variable ‘u’ [-Wunused-variable]
   25 |   int i, ii, iii, j, jj, k, kk, l, u, pass, nvtxs, nmoves, tvwgt, myndegrees, xgain;
      |                                    ^
kwayvolfm.c:25:33: warning: unused variable ‘l’ [-Wunused-variable]
   25 |   int i, ii, iii, j, jj, k, kk, l, u, pass, nvtxs, nmoves, tvwgt, myndegrees, xgain;
      |                                 ^
kwayvolfm.c:25:29: warning: unused variable ‘kk’ [-Wunused-variable]
   25 |   int i, ii, iii, j, jj, k, kk, l, u, pass, nvtxs, nmoves, tvwgt, myndegrees, xgain;
      |                             ^~
kwayvolfm.c:25:22: warning: unused variable ‘jj’ [-Wunused-variable]
   25 |   int i, ii, iii, j, jj, k, kk, l, u, pass, nvtxs, nmoves, tvwgt, myndegrees, xgain;
      |                      ^~
kwayvolfm.c: In function ‘__Random_KWayVolRefineMConn’:
kwayvolfm.c:172:35: warning: variable ‘bndptr’ set but not used [-Wunused-but-set-variable]
  172 |   idxtype *where, *pwgts, *perm, *bndptr, *bndind, *minwgt, *maxwgt, *itpwgts, *updind, *marker, *phtable;
      |                                   ^~~~~~
kwayvolfm.c:169:36: warning: unused variable ‘u’ [-Wunused-variable]
  169 |   int i, ii, iii, j, jj, k, kk, l, u, pass, nvtxs, nmoves, tvwgt, myndegrees, xgain;
      |                                    ^
kwayvolfm.c:169:29: warning: unused variable ‘kk’ [-Wunused-variable]
  169 |   int i, ii, iii, j, jj, k, kk, l, u, pass, nvtxs, nmoves, tvwgt, myndegrees, xgain;
      |                             ^~
kwayvolfm.c:169:22: warning: unused variable ‘jj’ [-Wunused-variable]
  169 |   int i, ii, iii, j, jj, k, kk, l, u, pass, nvtxs, nmoves, tvwgt, myndegrees, xgain;
      |                      ^~
kwayvolfm.c: In function ‘__Greedy_KWayVolBalance’:
kwayvolfm.c:411:43: warning: variable ‘bndptr’ set but not used [-Wunused-but-set-variable]
  411 |   idxtype *where, *pwgts, *perm, *moved, *bndptr, *bndind, *minwgt, *maxwgt, *itpwgts, *updind, *marker, *phtable;
      |                                           ^~~~~~
kwayvolfm.c:410:28: warning: variable ‘adjwgt’ set but not used [-Wunused-but-set-variable]
  410 |   idxtype *xadj, *adjncy, *adjwgt;
      |                            ^~~~~~
kwayvolfm.c:410:19: warning: variable ‘adjncy’ set but not used [-Wunused-but-set-variable]
  410 |   idxtype *xadj, *adjncy, *adjwgt;
      |                   ^~~~~~
kwayvolfm.c:410:12: warning: variable ‘xadj’ set but not used [-Wunused-but-set-variable]
  410 |   idxtype *xadj, *adjncy, *adjwgt;
      |            ^~~~
kwayvolfm.c:409:27: warning: unused variable ‘gain’ [-Wunused-variable]
  409 |   int from, me, to, vwgt, gain;
      |                           ^~~~
kwayvolfm.c:409:13: warning: unused variable ‘me’ [-Wunused-variable]
  409 |   int from, me, to, vwgt, gain;
      |             ^~
kwayvolfm.c:408:36: warning: unused variable ‘u’ [-Wunused-variable]
  408 |   int i, ii, iii, j, jj, k, kk, l, u, pass, nvtxs, nmoves, tvwgt, myndegrees, xgain;
      |                                    ^
kwayvolfm.c:408:33: warning: unused variable ‘l’ [-Wunused-variable]
  408 |   int i, ii, iii, j, jj, k, kk, l, u, pass, nvtxs, nmoves, tvwgt, myndegrees, xgain;
      |                                 ^
kwayvolfm.c:408:29: warning: unused variable ‘kk’ [-Wunused-variable]
  408 |   int i, ii, iii, j, jj, k, kk, l, u, pass, nvtxs, nmoves, tvwgt, myndegrees, xgain;
      |                             ^~
kwayvolfm.c:408:22: warning: unused variable ‘jj’ [-Wunused-variable]
  408 |   int i, ii, iii, j, jj, k, kk, l, u, pass, nvtxs, nmoves, tvwgt, myndegrees, xgain;
      |                      ^~
kwayvolfm.c:408:14: warning: unused variable ‘iii’ [-Wunused-variable]
  408 |   int i, ii, iii, j, jj, k, kk, l, u, pass, nvtxs, nmoves, tvwgt, myndegrees, xgain;
      |              ^~~
kwayvolfm.c: In function ‘__Greedy_KWayVolBalanceMConn’:
kwayvolfm.c:565:43: warning: variable ‘bndptr’ set but not used [-Wunused-but-set-variable]
  565 |   idxtype *where, *pwgts, *perm, *moved, *bndptr, *bndind, *minwgt, *maxwgt, *itpwgts, *updind, *marker, *phtable;
      |                                           ^~~~~~
kwayvolfm.c:563:27: warning: unused variable ‘gain’ [-Wunused-variable]
  563 |   int from, me, to, vwgt, gain, maxndoms, nadd;
      |                           ^~~~
kwayvolfm.c:562:36: warning: unused variable ‘u’ [-Wunused-variable]
  562 |   int i, ii, iii, j, jj, k, kk, l, u, pass, nvtxs, nmoves, tvwgt, myndegrees, xgain;
      |                                    ^
kwayvolfm.c:562:29: warning: unused variable ‘kk’ [-Wunused-variable]
  562 |   int i, ii, iii, j, jj, k, kk, l, u, pass, nvtxs, nmoves, tvwgt, myndegrees, xgain;
      |                             ^~
kwayvolfm.c:562:22: warning: unused variable ‘jj’ [-Wunused-variable]
  562 |   int i, ii, iii, j, jj, k, kk, l, u, pass, nvtxs, nmoves, tvwgt, myndegrees, xgain;
      |                      ^~
kwayvolfm.c:562:14: warning: unused variable ‘iii’ [-Wunused-variable]
  562 |   int i, ii, iii, j, jj, k, kk, l, u, pass, nvtxs, nmoves, tvwgt, myndegrees, xgain;
      |              ^~~
kwayvolfm.c: In function ‘__KWayVolUpdate’:
kwayvolfm.c:811:30: warning: unused variable ‘l’ [-Wunused-variable]
  811 |   int ii, iii, j, jj, k, kk, l, u, nupd, other, me, myidx;
      |                              ^
kwayvolfm.c:811:11: warning: unused variable ‘iii’ [-Wunused-variable]
  811 |   int ii, iii, j, jj, k, kk, l, u, nupd, other, me, myidx;
      |           ^~~
kwayvolfm.c: In function ‘__ComputeKWayVolume’:
kwayvolfm.c:1095:36: warning: variable ‘adjwgt’ set but not used [-Wunused-but-set-variable]
 1095 |   idxtype *xadj, *vsize, *adjncy, *adjwgt, *where;
      |                                    ^~~~~~
kwayvolfm.c:1094:50: warning: unused variable ‘pid’ [-Wunused-variable]
 1094 |   int ii, iii, i, j, k, kk, l, nvtxs, me, other, pid;
      |                                                  ^~~
kwayvolfm.c:1094:32: warning: variable ‘nvtxs’ set but not used [-Wunused-but-set-variable]
 1094 |   int ii, iii, i, j, k, kk, l, nvtxs, me, other, pid;
      |                                ^~~~~
kwayvolfm.c:1094:29: warning: unused variable ‘l’ [-Wunused-variable]
 1094 |   int ii, iii, i, j, k, kk, l, nvtxs, me, other, pid;
      |                             ^
kwayvolfm.c: In function ‘__ComputeVolume’:
kwayvolfm.c:1185:16: warning: unused variable ‘me’ [-Wunused-variable]
 1185 |   int i, j, k, me, nvtxs, nparts, totalv;
      |                ^~
kwayvolfm.c: In function ‘__CheckVolKWayPartitionParams’:
kwayvolfm.c:1225:70: warning: unused variable ‘bndptr’ [-Wunused-variable]
 1225 |   idxtype *xadj, *vsize, *adjncy, *adjwgt, *pwgts, *where, *bndind, *bndptr;
      |                                                                      ^~~~~~
kwayvolfm.c:1225:61: warning: unused variable ‘bndind’ [-Wunused-variable]
 1225 |   idxtype *xadj, *vsize, *adjncy, *adjwgt, *pwgts, *where, *bndind, *bndptr;
      |                                                             ^~~~~~
kwayvolfm.c:1225:45: warning: unused variable ‘pwgts’ [-Wunused-variable]
 1225 |   idxtype *xadj, *vsize, *adjncy, *adjwgt, *pwgts, *where, *bndind, *bndptr;
      |                                             ^~~~~
kwayvolfm.c:1225:36: warning: variable ‘adjwgt’ set but not used [-Wunused-but-set-variable]
 1225 |   idxtype *xadj, *vsize, *adjncy, *adjwgt, *pwgts, *where, *bndind, *bndptr;
      |                                    ^~~~~~
kwayvolfm.c:1224:48: warning: unused variable ‘minvol’ [-Wunused-variable]
 1224 |   int i, ii, j, k, kk, l, nvtxs, nbnd, mincut, minvol, me, other, pid;
      |                                                ^~~~~~
kwayvolfm.c:1224:40: warning: unused variable ‘mincut’ [-Wunused-variable]
 1224 |   int i, ii, j, k, kk, l, nvtxs, nbnd, mincut, minvol, me, other, pid;
      |                                        ^~~~~~
kwayvolfm.c:1224:34: warning: unused variable ‘nbnd’ [-Wunused-variable]
 1224 |   int i, ii, j, k, kk, l, nvtxs, nbnd, mincut, minvol, me, other, pid;
      |                                  ^~~~
kwayvolfm.c:1224:24: warning: unused variable ‘l’ [-Wunused-variable]
 1224 |   int i, ii, j, k, kk, l, nvtxs, nbnd, mincut, minvol, me, other, pid;
      |                        ^
kwayvolfm.c: In function ‘__ComputeVolSubDomainGraph’:
kwayvolfm.c:1353:28: warning: variable ‘adjwgt’ set but not used [-Wunused-but-set-variable]
 1353 |   idxtype *xadj, *adjncy, *adjwgt, *where;
      |                            ^~~~~~
kwayvolfm.c:1353:19: warning: variable ‘adjncy’ set but not used [-Wunused-but-set-variable]
 1353 |   idxtype *xadj, *adjncy, *adjwgt, *where;
      |                   ^~~~~~
kwayvolfm.c:1353:12: warning: variable ‘xadj’ set but not used [-Wunused-but-set-variable]
 1353 |   idxtype *xadj, *adjncy, *adjwgt, *where;
      |            ^~~~
kwayvolfm.c: In function ‘EliminateVolComponents’:
kwayvolfm.c:1674:10: warning: ‘me’ may be used uninitialized [-Wmaybe-uninitialized]
 1674 |       if (where[k] == me && !touched[k]) {
      |          ^
kwayvolfm.c:1625:24: note: ‘me’ was declared here
 1625 |   int i, ii, j, jj, k, me, nvtxs, tvwgt, first, last, nleft, ncmps, cwgt, ncand, other, target, deltawgt;
      |                        ^~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c kwayvolrefine.c -o kwayvolrefine.o
kwayvolrefine.c: In function ‘__ComputeVolKWayPartitionParams’:
kwayvolrefine.c:138:30: warning: unused variable ‘oedegrees’ [-Wunused-variable]
  138 |   VEDegreeType *myedegrees, *oedegrees;
      |                              ^~~~~~~~~
kwayvolrefine.c:137:33: warning: unused variable ‘orinfo’ [-Wunused-variable]
  137 |   VRInfoType *rinfo, *myrinfo, *orinfo;
      |                                 ^~~~~~
kwayvolrefine.c:135:67: warning: unused variable ‘pid’ [-Wunused-variable]
  135 |   int i, ii, j, k, kk, l, nvtxs, nbnd, mincut, minvol, me, other, pid;
      |                                                                   ^~~
kwayvolrefine.c:135:48: warning: unused variable ‘minvol’ [-Wunused-variable]
  135 |   int i, ii, j, k, kk, l, nvtxs, nbnd, mincut, minvol, me, other, pid;
      |                                                ^~~~~~
kwayvolrefine.c:135:34: warning: unused variable ‘nbnd’ [-Wunused-variable]
  135 |   int i, ii, j, k, kk, l, nvtxs, nbnd, mincut, minvol, me, other, pid;
      |                                  ^~~~
kwayvolrefine.c:135:24: warning: unused variable ‘l’ [-Wunused-variable]
  135 |   int i, ii, j, k, kk, l, nvtxs, nbnd, mincut, minvol, me, other, pid;
      |                        ^
kwayvolrefine.c:135:20: warning: unused variable ‘kk’ [-Wunused-variable]
  135 |   int i, ii, j, k, kk, l, nvtxs, nbnd, mincut, minvol, me, other, pid;
      |                    ^~
kwayvolrefine.c:135:10: warning: unused variable ‘ii’ [-Wunused-variable]
  135 |   int i, ii, j, k, kk, l, nvtxs, nbnd, mincut, minvol, me, other, pid;
      |          ^~
kwayvolrefine.c: In function ‘__ComputeKWayVolGains’:
kwayvolrefine.c:216:36: warning: variable ‘adjwgt’ set but not used [-Wunused-but-set-variable]
  216 |   idxtype *xadj, *vsize, *adjncy, *adjwgt, *where, *bndind, *bndptr, *ophtable;
      |                                    ^~~~~~
kwayvolrefine.c:215:45: warning: unused variable ‘pid’ [-Wunused-variable]
  215 |   int i, ii, j, k, kk, l, nvtxs, me, other, pid, myndegrees;
      |                                             ^~~
kwayvolrefine.c:215:24: warning: unused variable ‘l’ [-Wunused-variable]
  215 |   int i, ii, j, k, kk, l, nvtxs, me, other, pid, myndegrees;
      |                        ^
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c match.c -o match.o
match.c: In function ‘__Match_RM’:
match.c:181:35: warning: variable ‘adjwgt’ set but not used [-Wunused-but-set-variable]
  181 |   idxtype *xadj, *vwgt, *adjncy, *adjwgt;
      |                                   ^~~~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c mbalance.c -o mbalance.o
mbalance.c: In function ‘__MocGeneral2WayBalance’:
mbalance.c:41:72: warning: unused variable ‘me’ [-Wunused-variable]
   41 |   int i, ii, j, k, l, kwgt, nvtxs, ncon, nbnd, nswaps, from, to, pass, me, limit, tmp, cnum;
      |                                                                        ^~
mbalance.c:41:66: warning: unused variable ‘pass’ [-Wunused-variable]
   41 |   int i, ii, j, k, l, kwgt, nvtxs, ncon, nbnd, nswaps, from, to, pass, me, limit, tmp, cnum;
      |                                                                  ^~~~
mbalance.c:41:20: warning: unused variable ‘l’ [-Wunused-variable]
   41 |   int i, ii, j, k, l, kwgt, nvtxs, ncon, nbnd, nswaps, from, to, pass, me, limit, tmp, cnum;
      |                    ^
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c mbalance2.c -o mbalance2.o
mbalance2.c: In function ‘__MocBalance2Way2’:
mbalance2.c:27:7: warning: unused variable ‘i’ [-Wunused-variable]
   27 |   int i;
      |       ^
mbalance2.c: In function ‘__MocGeneral2WayBalance2’:
mbalance2.c:42:72: warning: unused variable ‘me’ [-Wunused-variable]
   42 |   int i, ii, j, k, l, kwgt, nvtxs, ncon, nbnd, nswaps, from, to, pass, me, limit, tmp, cnum;
      |                                                                        ^~
mbalance2.c:42:66: warning: unused variable ‘pass’ [-Wunused-variable]
   42 |   int i, ii, j, k, l, kwgt, nvtxs, ncon, nbnd, nswaps, from, to, pass, me, limit, tmp, cnum;
      |                                                                  ^~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c mcoarsen.c -o mcoarsen.o
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c memory.c -o memory.o
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c mesh.c -o mesh.o
mesh.c: In function ‘GENDUALMETIS’:
mesh.c:79:39: warning: unused variable ‘nedges’ [-Wunused-variable]
   79 |    int i, j, jj, k, kk, kkk, l, m, n, nedges, mask;
      |                                       ^~~~~~
mesh.c: In function ‘__TRINODALMETIS’:
mesh.c:174:36: warning: unused variable ‘n’ [-Wunused-variable]
  174 |    int i, j, jj, k, kk, kkk, l, m, n, nedges;
      |                                    ^
mesh.c:174:33: warning: unused variable ‘m’ [-Wunused-variable]
  174 |    int i, j, jj, k, kk, kkk, l, m, n, nedges;
      |                                 ^
mesh.c:174:30: warning: unused variable ‘l’ [-Wunused-variable]
  174 |    int i, j, jj, k, kk, kkk, l, m, n, nedges;
      |                              ^
mesh.c:174:25: warning: unused variable ‘kkk’ [-Wunused-variable]
  174 |    int i, j, jj, k, kk, kkk, l, m, n, nedges;
      |                         ^~~
mesh.c: In function ‘__TETNODALMETIS’:
mesh.c:223:36: warning: unused variable ‘n’ [-Wunused-variable]
  223 |    int i, j, jj, k, kk, kkk, l, m, n, nedges;
      |                                    ^
mesh.c:223:33: warning: unused variable ‘m’ [-Wunused-variable]
  223 |    int i, j, jj, k, kk, kkk, l, m, n, nedges;
      |                                 ^
mesh.c:223:30: warning: unused variable ‘l’ [-Wunused-variable]
  223 |    int i, j, jj, k, kk, kkk, l, m, n, nedges;
      |                              ^
mesh.c:223:25: warning: unused variable ‘kkk’ [-Wunused-variable]
  223 |    int i, j, jj, k, kk, kkk, l, m, n, nedges;
      |                         ^~~
mesh.c: In function ‘__HEXNODALMETIS’:
mesh.c:275:22: warning: missing braces around initializer [-Wmissing-braces]
  275 |    int table[8][3] = {1, 3, 4,
      |                      ^
      |                       {      }
  276 |                       0, 2, 5,
      |                       {      }
  277 |                       1, 3, 6,
      |                       {      }
  278 |                       0, 2, 7,
      |                       {      }
  279 |                       0, 5, 7,
      |                       {      }
  280 |                       1, 4, 6,
      |                       {      }
  281 |                       2, 5, 7,
      |                       {      }
  282 |                       3, 4, 6};
      |                       {      }
mesh.c:272:36: warning: unused variable ‘n’ [-Wunused-variable]
  272 |    int i, j, jj, k, kk, kkk, l, m, n, nedges;
      |                                    ^
mesh.c:272:33: warning: unused variable ‘m’ [-Wunused-variable]
  272 |    int i, j, jj, k, kk, kkk, l, m, n, nedges;
      |                                 ^
mesh.c:272:30: warning: unused variable ‘l’ [-Wunused-variable]
  272 |    int i, j, jj, k, kk, kkk, l, m, n, nedges;
      |                              ^
mesh.c:272:25: warning: unused variable ‘kkk’ [-Wunused-variable]
  272 |    int i, j, jj, k, kk, kkk, l, m, n, nedges;
      |                         ^~~
mesh.c: In function ‘QUADNODALMETIS’:
mesh.c:348:22: warning: missing braces around initializer [-Wmissing-braces]
  348 |    int table[4][2] = {1, 3,
      |                      ^
      |                       {   }
  349 |                       0, 2,
      |                       {   }
  350 |                       1, 3,
      |                       {   }
  351 |                       0, 2};
      |                       {   }
mesh.c:345:36: warning: unused variable ‘n’ [-Wunused-variable]
  345 |    int i, j, jj, k, kk, kkk, l, m, n, nedges;
      |                                    ^
mesh.c:345:33: warning: unused variable ‘m’ [-Wunused-variable]
  345 |    int i, j, jj, k, kk, kkk, l, m, n, nedges;
      |                                 ^
mesh.c:345:30: warning: unused variable ‘l’ [-Wunused-variable]
  345 |    int i, j, jj, k, kk, kkk, l, m, n, nedges;
      |                              ^
mesh.c:345:25: warning: unused variable ‘kkk’ [-Wunused-variable]
  345 |    int i, j, jj, k, kk, kkk, l, m, n, nedges;
      |                         ^~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c meshpart.c -o meshpart.o
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c mfm.c -o mfm.o
mfm.c: In function ‘__MocFM_2WayEdgeRefine’:
mfm.c:26:72: warning: unused variable ‘me’ [-Wunused-variable]
   26 |   int i, ii, j, k, l, kwgt, nvtxs, ncon, nbnd, nswaps, from, to, pass, me, limit, tmp, cnum;
      |                                                                        ^~
mfm.c:26:20: warning: unused variable ‘l’ [-Wunused-variable]
   26 |   int i, ii, j, k, l, kwgt, nvtxs, ncon, nbnd, nswaps, from, to, pass, me, limit, tmp, cnum;
      |                    ^
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c mfm2.c -o mfm2.o
mfm2.c: In function ‘__MocFM_2WayEdgeRefine2’:
mfm2.c:30:26: warning: variable ‘origdiff’ set but not used [-Wunused-but-set-variable]
   30 |   float *nvwgt, *npwgts, origdiff[MAXNCON], origbal[MAXNCON], minbal[MAXNCON];
      |                          ^~~~~~~~
mfm2.c:27:72: warning: unused variable ‘me’ [-Wunused-variable]
   27 |   int i, ii, j, k, l, kwgt, nvtxs, ncon, nbnd, nswaps, from, to, pass, me, limit, tmp, cnum;
      |                                                                        ^~
mfm2.c: In function ‘__IsBetter2wayBalance’:
mfm2.c:347:10: warning: unused variable ‘j’ [-Wunused-variable]
  347 |   int i, j;
      |          ^
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c mincover.c -o mincover.o
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c minitpart.c -o minitpart.o
minitpart.c: In function ‘__MocInit2WayPartition’:
minitpart.c:26:7: warning: unused variable ‘i’ [-Wunused-variable]
   26 |   int i, dbglvl;
      |       ^
minitpart.c: In function ‘__MocGrowBisection’:
minitpart.c:62:44: warning: unused variable ‘mincut’ [-Wunused-variable]
   62 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |                                            ^~~~~~
minitpart.c:62:29: warning: unused variable ‘from’ [-Wunused-variable]
   62 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |                             ^~~~
minitpart.c:62:23: warning: unused variable ‘ncon’ [-Wunused-variable]
   62 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |                       ^~~~
minitpart.c:62:13: warning: unused variable ‘k’ [-Wunused-variable]
   62 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |             ^
minitpart.c:62:10: warning: unused variable ‘j’ [-Wunused-variable]
   62 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |          ^
minitpart.c:62:7: warning: unused variable ‘i’ [-Wunused-variable]
   62 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |       ^
minitpart.c: In function ‘__MocRandomBisection’:
minitpart.c:110:48: warning: unused variable ‘mincut’ [-Wunused-variable]
  110 |   int i, ii, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs, qnum;
      |                                                ^~~~~~
minitpart.c:110:33: warning: unused variable ‘from’ [-Wunused-variable]
  110 |   int i, ii, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs, qnum;
      |                                 ^~~~
minitpart.c:110:17: warning: unused variable ‘k’ [-Wunused-variable]
  110 |   int i, ii, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs, qnum;
      |                 ^
minitpart.c:110:14: warning: unused variable ‘j’ [-Wunused-variable]
  110 |   int i, ii, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs, qnum;
      |              ^
minitpart.c: In function ‘__MocInit2WayBalance’:
minitpart.c:183:72: warning: unused variable ‘me’ [-Wunused-variable]
  183 |   int i, ii, j, k, l, kwgt, nvtxs, nbnd, ncon, nswaps, from, to, pass, me, cnum, tmp;
      |                                                                        ^~
minitpart.c:183:66: warning: unused variable ‘pass’ [-Wunused-variable]
  183 |   int i, ii, j, k, l, kwgt, nvtxs, nbnd, ncon, nswaps, from, to, pass, me, cnum, tmp;
      |                                                                  ^~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c minitpart2.c -o minitpart2.o
minitpart2.c: In function ‘__MocGrowBisection2’:
minitpart2.c:62:44: warning: unused variable ‘mincut’ [-Wunused-variable]
   62 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |                                            ^~~~~~
minitpart2.c:62:29: warning: unused variable ‘from’ [-Wunused-variable]
   62 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |                             ^~~~
minitpart2.c:62:23: warning: unused variable ‘ncon’ [-Wunused-variable]
   62 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |                       ^~~~
minitpart2.c:62:13: warning: unused variable ‘k’ [-Wunused-variable]
   62 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |             ^
minitpart2.c:62:10: warning: unused variable ‘j’ [-Wunused-variable]
   62 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |          ^
minitpart2.c:62:7: warning: unused variable ‘i’ [-Wunused-variable]
   62 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |       ^
minitpart2.c: In function ‘__MocGrowBisectionNew2’:
minitpart2.c:113:44: warning: unused variable ‘mincut’ [-Wunused-variable]
  113 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |                                            ^~~~~~
minitpart2.c:113:29: warning: unused variable ‘from’ [-Wunused-variable]
  113 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |                             ^~~~
minitpart2.c:113:23: warning: unused variable ‘ncon’ [-Wunused-variable]
  113 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |                       ^~~~
minitpart2.c:113:13: warning: unused variable ‘k’ [-Wunused-variable]
  113 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |             ^
minitpart2.c:113:10: warning: unused variable ‘j’ [-Wunused-variable]
  113 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |          ^
minitpart2.c:113:7: warning: unused variable ‘i’ [-Wunused-variable]
  113 |   int i, j, k, nvtxs, ncon, from, bestcut, mincut, nbfs;
      |       ^
minitpart2.c: In function ‘__MocInit2WayBalance2’:
minitpart2.c:161:72: warning: unused variable ‘me’ [-Wunused-variable]
  161 |   int i, ii, j, k, l, kwgt, nvtxs, nbnd, ncon, nswaps, from, to, pass, me, cnum, tmp, imin;
      |                                                                        ^~
minitpart2.c:161:66: warning: unused variable ‘pass’ [-Wunused-variable]
  161 |   int i, ii, j, k, l, kwgt, nvtxs, nbnd, ncon, nswaps, from, to, pass, me, cnum, tmp, imin;
      |                                                                  ^~~~
minitpart2.c: In function ‘__SelectQueueOneWay2’:
minitpart2.c:356:26: warning: ‘imax’ may be used uninitialized [-Wmaybe-uninitialized]
  356 |     twgt[i] = (max/(ubvec[imax]*ubvec[i]))/pto[i];
      |                          ^
minitpart2.c:345:19: note: ‘imax’ was declared here
  345 |   int i, cnum=-1, imax, maxgain;
      |                   ^~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c mkmetis.c -o mkmetis.o
mkmetis.c: In function ‘METIS_mCPartGraphKway’:
mkmetis.c:31:10: warning: unused variable ‘j’ [-Wunused-variable]
   31 |   int i, j;
      |          ^
mkmetis.c:31:7: warning: unused variable ‘i’ [-Wunused-variable]
   31 |   int i, j;
      |       ^
mkmetis.c: In function ‘__MCMlevelKWayPartitioning’:
mkmetis.c:82:13: warning: unused variable ‘nvtxs’ [-Wunused-variable]
   82 |   int i, j, nvtxs;
      |             ^~~~~
mkmetis.c:82:10: warning: unused variable ‘j’ [-Wunused-variable]
   82 |   int i, j, nvtxs;
      |          ^
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c mkwayfmh.c -o mkwayfmh.o
mkwayfmh.c: In function ‘__MCRandom_KWayEdgeRefineHorizontal’:
mkwayfmh.c:25:29: warning: unused variable ‘l’ [-Wunused-variable]
   25 |   int i, ii, iii, j, jj, k, l, pass, nvtxs, ncon, nmoves, nbnd, myndegrees, same;
      |                             ^
mkwayfmh.c:25:22: warning: unused variable ‘jj’ [-Wunused-variable]
   25 |   int i, ii, iii, j, jj, k, l, pass, nvtxs, ncon, nmoves, nbnd, myndegrees, same;
      |                      ^~
mkwayfmh.c: In function ‘__MCGreedy_KWayEdgeBalanceHorizontal’:
mkwayfmh.c:267:21: warning: variable ‘oldcut’ set but not used [-Wunused-but-set-variable]
  267 |   int from, me, to, oldcut;
      |                     ^~~~~~
mkwayfmh.c:266:29: warning: unused variable ‘l’ [-Wunused-variable]
  266 |   int i, ii, iii, j, jj, k, l, pass, nvtxs, ncon, nbnd, myndegrees, oldgain, gain, nmoves;
      |                             ^
mkwayfmh.c:266:22: warning: unused variable ‘jj’ [-Wunused-variable]
  266 |   int i, ii, iii, j, jj, k, l, pass, nvtxs, ncon, nbnd, myndegrees, oldgain, gain, nmoves;
      |                      ^~
mkwayfmh.c:266:14: warning: unused variable ‘iii’ [-Wunused-variable]
  266 |   int i, ii, iii, j, jj, k, l, pass, nvtxs, ncon, nbnd, myndegrees, oldgain, gain, nmoves;
      |              ^~~
mkwayfmh.c: In function ‘__IsHBalanceBetterFT’:
mkwayfmh.c:605:13: warning: unused variable ‘k’ [-Wunused-variable]
  605 |   int i, j, k;
      |             ^
mkwayfmh.c:605:10: warning: unused variable ‘j’ [-Wunused-variable]
  605 |   int i, j, k;
      |          ^
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c mkwayrefine.c -o mkwayrefine.o
mkwayrefine.c: In function ‘__MocComputeKWayPartitionParams’:
mkwayrefine.c:95:16: warning: unused variable ‘l’ [-Wunused-variable]
   95 |   int i, j, k, l, nvtxs, ncon, nbnd, mincut, me, other;
      |                ^
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c mmatch.c -o mmatch.o
mmatch.c: In function ‘__MCMatch_RM’:
mmatch.c:28:28: warning: variable ‘adjwgt’ set but not used [-Wunused-but-set-variable]
   28 |   idxtype *xadj, *adjncy, *adjwgt;
      |                            ^~~~~~
mmatch.c: In function ‘__MCMatch_HEM’:
mmatch.c:84:20: warning: unused variable ‘l’ [-Wunused-variable]
   84 |   int i, ii, j, k, l, nvtxs, cnvtxs, ncon, maxidx, maxwgt;
      |                    ^
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c mmd.c -o mmd.o
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c mpmetis.c -o mpmetis.o
mpmetis.c: In function ‘METIS_mCPartGraphRecursive’:
mpmetis.c:31:10: warning: unused variable ‘j’ [-Wunused-variable]
   31 |   int i, j;
      |          ^
mpmetis.c:31:7: warning: unused variable ‘i’ [-Wunused-variable]
   31 |   int i, j;
      |       ^
mpmetis.c: In function ‘METIS_mCHPartGraphRecursive’:
mpmetis.c:85:10: warning: unused variable ‘j’ [-Wunused-variable]
   85 |   int i, j;
      |          ^
mpmetis.c:85:7: warning: unused variable ‘i’ [-Wunused-variable]
   85 |   int i, j;
      |       ^
mpmetis.c: In function ‘METIS_mCPartGraphRecursiveInternal’:
mpmetis.c:143:10: warning: unused variable ‘j’ [-Wunused-variable]
  143 |   int i, j;
      |          ^
mpmetis.c:143:7: warning: unused variable ‘i’ [-Wunused-variable]
  143 |   int i, j;
      |       ^
mpmetis.c: In function ‘METIS_mCHPartGraphRecursiveInternal’:
mpmetis.c:191:10: warning: unused variable ‘j’ [-Wunused-variable]
  191 |   int i, j;
      |          ^
mpmetis.c:191:7: warning: unused variable ‘i’ [-Wunused-variable]
  191 |   int i, j;
      |       ^
mpmetis.c: In function ‘__MCMlevelRecursiveBisection’:
mpmetis.c:244:20: warning: unused variable ‘ncon’ [-Wunused-variable]
  244 |   int i, j, nvtxs, ncon, cut;
      |                    ^~~~
mpmetis.c:244:10: warning: unused variable ‘j’ [-Wunused-variable]
  244 |   int i, j, nvtxs, ncon, cut;
      |          ^
mpmetis.c: In function ‘__MCHMlevelRecursiveBisection’:
mpmetis.c:296:10: warning: unused variable ‘j’ [-Wunused-variable]
  296 |   int i, j, nvtxs, ncon, cut;
      |          ^
mpmetis.c: In function ‘__MCHMlevelEdgeBisection’:
mpmetis.c:388:7: warning: unused variable ‘i’ [-Wunused-variable]
  388 |   int i;
      |       ^
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c mrefine.c -o mrefine.o
mrefine.c: In function ‘__MocCompute2WayPartitionParams’:
mrefine.c:102:11: warning: unused variable ‘other’ [-Wunused-variable]
  102 |   int me, other;
      |           ^~~~~
mrefine.c:97:16: warning: unused variable ‘l’ [-Wunused-variable]
   97 |   int i, j, k, l, nvtxs, ncon, nbnd, mincut;
      |                ^
mrefine.c:97:13: warning: unused variable ‘k’ [-Wunused-variable]
   97 |   int i, j, k, l, nvtxs, ncon, nbnd, mincut;
      |             ^
mrefine.c: In function ‘__MocProject2WayPartition’:
mrefine.c:158:27: warning: variable ‘ced’ set but not used [-Wunused-but-set-variable]
  158 |   idxtype *cwhere, *cid, *ced, *cbndptr;
      |                           ^~~
mrefine.c:158:21: warning: variable ‘cid’ set but not used [-Wunused-but-set-variable]
  158 |   idxtype *cwhere, *cid, *ced, *cbndptr;
      |                     ^~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c mrefine2.c -o mrefine2.o
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c mutil.c -o mutil.o
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c myqsort.c -o myqsort.o
myqsort.c: In function ‘siqst’:
myqsort.c:87:16: warning: unused variable ‘ii’ [-Wunused-variable]
   87 |   register int ii;
      |                ^~
myqsort.c: In function ‘iiqst’:
myqsort.c:217:16: warning: unused variable ‘ii’ [-Wunused-variable]
  217 |   register int ii;
      |                ^~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c ometis.c -o ometis.o
ometis.c: In function ‘METIS_EdgeND’:
ometis.c:27:10: warning: unused variable ‘j’ [-Wunused-variable]
   27 |   int i, j;
      |          ^
ometis.c: In function ‘METIS_NodeND’:
ometis.c:84:27: warning: unused variable ‘nflag’ [-Wunused-variable]
   84 |   int i, ii, j, l, wflag, nflag;
      |                           ^~~~~
ometis.c:84:20: warning: unused variable ‘wflag’ [-Wunused-variable]
   84 |   int i, ii, j, l, wflag, nflag;
      |                    ^~~~~
ometis.c: In function ‘METIS_NodeWND’:
ometis.c:209:13: warning: unused variable ‘tvwgt’ [-Wunused-variable]
  209 |   int i, j, tvwgt;
      |             ^~~~~
ometis.c:209:10: warning: unused variable ‘j’ [-Wunused-variable]
  209 |   int i, j, tvwgt;
      |          ^
ometis.c: In function ‘__MlevelNestedDissection’:
ometis.c:267:10: warning: unused variable ‘j’ [-Wunused-variable]
  267 |   int i, j, nvtxs, nbnd, tvwgt, tpwgts2[2];
      |          ^
ometis.c: In function ‘__MlevelNestedDissectionCC’:
ometis.c:327:10: warning: unused variable ‘j’ [-Wunused-variable]
  327 |   int i, j, nvtxs, nbnd, tvwgt, tpwgts2[2], nsgraphs, ncmps, rnvtxs;
      |          ^
ometis.c: In function ‘__MlevelNodeBisectionMultiple’:
ometis.c:391:33: warning: unused variable ‘tmp’ [-Wunused-variable]
  391 |   int i, nvtxs, cnvtxs, mincut, tmp;
      |                                 ^~~
ometis.c: In function ‘__SplitGraphOrder’:
ometis.c:517:24: warning: unused variable ‘auxadjwgt’ [-Wunused-variable]
  517 |   idxtype *auxadjncy, *auxadjwgt;
      |                        ^~~~~~~~~
ometis.c:514:44: warning: variable ‘adjwgtsum’ set but not used [-Wunused-but-set-variable]
  514 |   idxtype *xadj, *vwgt, *adjncy, *adjwgt, *adjwgtsum, *label, *where, *bndptr, *bndind;
      |                                            ^~~~~~~~~
ometis.c:514:35: warning: variable ‘adjwgt’ set but not used [-Wunused-but-set-variable]
  514 |   idxtype *xadj, *vwgt, *adjncy, *adjwgt, *adjwgtsum, *label, *where, *bndptr, *bndind;
      |                                   ^~~~~~
ometis.c: In function ‘__MMDOrder’:
ometis.c:622:10: warning: unused variable ‘j’ [-Wunused-variable]
  622 |   int i, j, k, nvtxs, nofsub, firstvtx;
      |          ^
ometis.c: In function ‘__SplitGraphOrderCC’:
ometis.c:672:24: warning: variable ‘auxadjwgt’ set but not used [-Wunused-but-set-variable]
  672 |   idxtype *auxadjncy, *auxadjwgt;
      |                        ^~~~~~~~~
ometis.c:669:44: warning: variable ‘adjwgtsum’ set but not used [-Wunused-but-set-variable]
  669 |   idxtype *xadj, *vwgt, *adjncy, *adjwgt, *adjwgtsum, *label, *where, *bndptr, *bndind;
      |                                            ^~~~~~~~~
ometis.c:669:35: warning: variable ‘adjwgt’ set but not used [-Wunused-but-set-variable]
  669 |   idxtype *xadj, *vwgt, *adjncy, *adjwgt, *adjwgtsum, *label, *where, *bndptr, *bndind;
      |                                   ^~~~~~
ometis.c:668:42: warning: unused variable ‘mypart’ [-Wunused-variable]
  668 |   int i, ii, iii, j, k, l, istart, iend, mypart, nvtxs, snvtxs, snedges;
      |                                          ^~~~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c parmetis.c -o parmetis.o
parmetis.c: In function ‘METIS_WPartGraphKway2’:
parmetis.c:48:10: warning: unused variable ‘j’ [-Wunused-variable]
   48 |   int i, j;
      |          ^
parmetis.c:48:7: warning: unused variable ‘i’ [-Wunused-variable]
   48 |   int i, j;
      |       ^
parmetis.c: In function ‘METIS_NodeNDP’:
parmetis.c:98:27: warning: unused variable ‘nflag’ [-Wunused-variable]
   98 |   int i, ii, j, l, wflag, nflag;
      |                           ^~~~~
parmetis.c:98:20: warning: unused variable ‘wflag’ [-Wunused-variable]
   98 |   int i, ii, j, l, wflag, nflag;
      |                    ^~~~~
parmetis.c: In function ‘__MlevelNestedDissectionP’:
parmetis.c:196:10: warning: unused variable ‘j’ [-Wunused-variable]
  196 |   int i, j, nvtxs, nbnd, tvwgt, tpwgts2[2];
      |          ^
parmetis.c: In function ‘METIS_NodeComputeSeparator’:
parmetis.c:265:10: warning: unused variable ‘j’ [-Wunused-variable]
  265 |   int i, j, tvwgt, tpwgts[2];
      |          ^
parmetis.c:265:7: warning: unused variable ‘i’ [-Wunused-variable]
  265 |   int i, j, tvwgt, tpwgts[2];
      |       ^
parmetis.c: In function ‘METIS_EdgeComputeSeparator’:
parmetis.c:323:10: warning: unused variable ‘j’ [-Wunused-variable]
  323 |   int i, j, tvwgt, tpwgts[2];
      |          ^
parmetis.c:323:7: warning: unused variable ‘i’ [-Wunused-variable]
  323 |   int i, j, tvwgt, tpwgts[2];
      |       ^
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c pcg_basic.c -o pcg_basic.o
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c pmetis.c -o pmetis.o
pmetis.c: In function ‘METIS_WPartGraphRecursive’:
pmetis.c:52:10: warning: unused variable ‘j’ [-Wunused-variable]
   52 |   int i, j;
      |          ^
pmetis.c: In function ‘__MlevelRecursiveBisection’:
pmetis.c:108:10: warning: unused variable ‘j’ [-Wunused-variable]
  108 |   int i, j, nvtxs, cut, tvwgt, tpwgts2[2];
      |          ^
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c pqueue.c -o pqueue.o
pqueue.c: In function ‘__PQueueInsert’:
pqueue.c:143:13: warning: unused variable ‘k’ [-Wunused-variable]
  143 |   int i, j, k;
      |             ^
pqueue.c: In function ‘__PQueueUpdate’:
pqueue.c:300:17: warning: unused variable ‘newnode’ [-Wunused-variable]
  300 |   ListNodeType *newnode;
      |                 ^~~~~~~
pqueue.c: In function ‘__CheckHeap’:
pqueue.c:558:17: warning: variable ‘heap’ set but not used [-Wunused-but-set-variable]
  558 |   KeyValueType *heap;
      |                 ^~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c refine.c -o refine.o
refine.c: In function ‘__Compute2WayPartitionParams’:
refine.c:87:11: warning: unused variable ‘other’ [-Wunused-variable]
   87 |   int me, other;
      |           ^~~~~
refine.c:83:16: warning: unused variable ‘l’ [-Wunused-variable]
   83 |   int i, j, k, l, nvtxs, nbnd, mincut;
      |                ^
refine.c:83:13: warning: unused variable ‘k’ [-Wunused-variable]
   83 |   int i, j, k, l, nvtxs, nbnd, mincut;
      |             ^
refine.c: In function ‘__Project2WayPartition’:
refine.c:143:27: warning: variable ‘ced’ set but not used [-Wunused-but-set-variable]
  143 |   idxtype *cwhere, *cid, *ced, *cbndptr;
      |                           ^~~
refine.c:143:21: warning: variable ‘cid’ set but not used [-Wunused-but-set-variable]
  143 |   idxtype *cwhere, *cid, *ced, *cbndptr;
      |                     ^~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c separator.c -o separator.o
separator.c: In function ‘__ConstructSeparator’:
separator.c:26:13: warning: unused variable ‘k’ [-Wunused-variable]
   26 |   int i, j, k, nvtxs, nbnd;
      |             ^
separator.c: In function ‘__ConstructMinCoverSeparator’:
separator.c:185:29: warning: variable ‘bndptr’ set but not used [-Wunused-but-set-variable]
  185 |   idxtype *where, *bndind, *bndptr, *vmap, *ivmap, *cover;
      |                             ^~~~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c sfm.c -o sfm.o
sfm.c: In function ‘__FM_2WayNodeBalance’:
sfm.c:929:7: warning: unused variable ‘pass’ [-Wunused-variable]
  929 |   int pass, to, other;
      |       ^~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c srefine.c -o srefine.o
srefine.c: In function ‘__Compute2WayNodePartitionParams’:
srefine.c:95:28: warning: variable ‘adjwgt’ set but not used [-Wunused-but-set-variable]
   95 |   idxtype *xadj, *adjncy, *adjwgt, *vwgt;
      |                            ^~~~~~
srefine.c:94:16: warning: unused variable ‘l’ [-Wunused-variable]
   94 |   int i, j, k, l, nvtxs, nbnd;
      |                ^
srefine.c:94:13: warning: unused variable ‘k’ [-Wunused-variable]
   94 |   int i, j, k, l, nvtxs, nbnd;
      |             ^
srefine.c: In function ‘__Project2WayNodePartition’:
srefine.c:149:10: warning: unused variable ‘j’ [-Wunused-variable]
  149 |   int i, j, nvtxs;
      |          ^
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c stat.c -o stat.o
stat.c: In function ‘__ComputePartitionInfo’:
stat.c:26:13: warning: unused variable ‘k’ [-Wunused-variable]
   26 |   int i, j, k, nvtxs, ncon, mustfree=0;
      |             ^
stat.c: In function ‘ComputePartitionInfoBipartite’:
stat.c:144:61: warning: unused variable ‘tmpptr’ [-Wunused-variable]
  144 |   idxtype *xadj, *adjncy, *vwgt, *vsize, *adjwgt, *kpwgts, *tmpptr;
      |                                                             ^~~~~~
stat.c:143:13: warning: unused variable ‘k’ [-Wunused-variable]
  143 |   int i, j, k, nvtxs, ncon, mustfree=0;
      |             ^
stat.c: In function ‘__ComputePartitionBalance’:
stat.c:258:9: warning: unused variable ‘balance’ [-Wunused-variable]
  258 |   float balance;
      |         ^~~~~~~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c subdomains.c -o subdomains.o
subdomains.c: In function ‘__Random_KWayEdgeRefineMConn’:
subdomains.c:27:22: warning: unused variable ‘jj’ [-Wunused-variable]
   27 |   int i, ii, iii, j, jj, k, l, pass, nvtxs, nmoves, nbnd, tvwgt, myndegrees;
      |                      ^~
subdomains.c: In function ‘__Greedy_KWayEdgeBalanceMConn’:
subdomains.c:318:21: warning: variable ‘oldcut’ set but not used [-Wunused-but-set-variable]
  318 |   int from, me, to, oldcut, vwgt, maxndoms, nadd;
      |                     ^~~~~~
subdomains.c:317:22: warning: unused variable ‘jj’ [-Wunused-variable]
  317 |   int i, ii, iii, j, jj, k, l, pass, nvtxs, nbnd, tvwgt, myndegrees, oldgain, gain, nmoves;
      |                      ^~
subdomains.c:317:14: warning: unused variable ‘iii’ [-Wunused-variable]
  317 |   int i, ii, iii, j, jj, k, l, pass, nvtxs, nbnd, tvwgt, myndegrees, oldgain, gain, nmoves;
      |              ^~~
subdomains.c: In function ‘__ComputeSubDomainGraph’:
subdomains.c:682:28: warning: variable ‘adjwgt’ set but not used [-Wunused-but-set-variable]
  682 |   idxtype *xadj, *adjncy, *adjwgt, *where;
      |                            ^~~~~~
subdomains.c:682:19: warning: variable ‘adjncy’ set but not used [-Wunused-but-set-variable]
  682 |   idxtype *xadj, *adjncy, *adjwgt, *where;
      |                   ^~~~~~
subdomains.c:682:12: warning: variable ‘xadj’ set but not used [-Wunused-but-set-variable]
  682 |   idxtype *xadj, *adjncy, *adjwgt, *where;
      |            ^~~~
subdomains.c: In function ‘__MoveGroupMConn’:
subdomains.c:898:45: warning: unused variable ‘myndegrees’ [-Wunused-variable]
  898 |   int i, ii, iii, j, jj, k, l, nvtxs, nbnd, myndegrees;
      |                                             ^~~~~~~~~~
subdomains.c:898:32: warning: variable ‘nvtxs’ set but not used [-Wunused-but-set-variable]
  898 |   int i, ii, iii, j, jj, k, l, nvtxs, nbnd, myndegrees;
      |                                ^~~~~
subdomains.c:898:29: warning: unused variable ‘l’ [-Wunused-variable]
  898 |   int i, ii, iii, j, jj, k, l, nvtxs, nbnd, myndegrees;
      |                             ^
subdomains.c:898:22: warning: unused variable ‘jj’ [-Wunused-variable]
  898 |   int i, ii, iii, j, jj, k, l, nvtxs, nbnd, myndegrees;
      |                      ^~
subdomains.c: In function ‘__EliminateComponents’:
subdomains.c:1053:75: warning: unused variable ‘other’ [-Wunused-variable]
 1053 |   int i, ii, j, jj, k, me, nvtxs, tvwgt, first, last, nleft, ncmps, cwgt, other, target, deltawgt;
      |                                                                           ^~~~~
subdomains.c: In function ‘__MoveGroup’:
subdomains.c:1179:45: warning: unused variable ‘myndegrees’ [-Wunused-variable]
 1179 |   int i, ii, iii, j, jj, k, l, nvtxs, nbnd, myndegrees;
      |                                             ^~~~~~~~~~
subdomains.c:1179:32: warning: variable ‘nvtxs’ set but not used [-Wunused-but-set-variable]
 1179 |   int i, ii, iii, j, jj, k, l, nvtxs, nbnd, myndegrees;
      |                                ^~~~~
subdomains.c:1179:29: warning: unused variable ‘l’ [-Wunused-variable]
 1179 |   int i, ii, iii, j, jj, k, l, nvtxs, nbnd, myndegrees;
      |                             ^
subdomains.c:1179:22: warning: unused variable ‘jj’ [-Wunused-variable]
 1179 |   int i, ii, iii, j, jj, k, l, nvtxs, nbnd, myndegrees;
      |                      ^~
subdomains.c: In function ‘__EliminateComponents’:
subdomains.c:1100:10: warning: ‘me’ may be used uninitialized [-Wmaybe-uninitialized]
 1100 |       if (where[k] == me && !touched[k]) {
      |          ^
subdomains.c:1053:24: note: ‘me’ was declared here
 1053 |   int i, ii, j, jj, k, me, nvtxs, tvwgt, first, last, nleft, ncmps, cwgt, other, target, deltawgt;
      |                        ^~
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c timing.c -o timing.o
gcc-13 -I"/home/hornik/tmp/R.check/r-patched-gcc/Work/build/include" -DNDEBUG  -I'/home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/Rcpp/include' -I/usr/local/include -D_FORTIFY_SOURCE=3   -fpic  -g -O2 -Wall -Wstrict-prototypes -pedantic -mtune=native  -c util.c -o util.o
util.c: In function ‘__RandomPermute’:
util.c:588:16: warning: unused variable ‘v’ [-Wunused-variable]
  588 |   int i, j, u, v;
      |                ^
util.c:588:13: warning: unused variable ‘u’ [-Wunused-variable]
  588 |   int i, j, u, v;
      |             ^
util.c: In function ‘RandomInit’:
util.c:634:11: warning: unused variable ‘tmp’ [-Wunused-variable]
  634 |   idxtype tmp;
      |           ^~~
g++-13 -std=gnu++17 -shared -L/home/hornik/tmp/R.check/r-patched-gcc/Work/build/lib -Wl,-O1 -o BigQuic.so BigQuic_init.o RcppExports.o balance.o bigquic-run.o bigquic.o bucketsort.o ccgraph.o coarsen.o compress.o debug.o estmem.o fm.o fortran.o frename.o graph.o initpart.o kmetis.o kvmetis.o kwayfm.o kwayrefine.o kwayvolfm.o kwayvolrefine.o match.o mbalance.o mbalance2.o mcoarsen.o memory.o mesh.o meshpart.o mfm.o mfm2.o mincover.o minitpart.o minitpart2.o mkmetis.o mkwayfmh.o mkwayrefine.o mmatch.o mmd.o mpmetis.o mrefine.o mrefine2.o mutil.o myqsort.o ometis.o parmetis.o pcg_basic.o pmetis.o pqueue.o refine.o separator.o sfm.o srefine.o stat.o subdomains.o timing.o util.o -llapack -L/home/hornik/tmp/R.check/r-patched-gcc/Work/build/lib -lRblas -lgfortran -lm -lquadmath -fopenmp -L/home/hornik/tmp/R.check/r-patched-gcc/Work/build/lib -lR
make[1]: Leaving directory '/tmp/Rtmp1BtUXX/R.INSTALL2c631045a59380/BigQuic/src'
make[1]: Entering directory '/tmp/Rtmp1BtUXX/R.INSTALL2c631045a59380/BigQuic/src'
make[1]: Leaving directory '/tmp/Rtmp1BtUXX/R.INSTALL2c631045a59380/BigQuic/src'
installing to /home/hornik/tmp/R.check/r-patched-gcc/Work/build/Packages/00LOCK-BigQuic/00new/BigQuic/libs
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
  converting help for package ‘BigQuic’
    finding HTML links ... done
    BigQuic-package                         html  
    BigQuic.select                          html  
    BigQuicHelper                           html  
    BigQuic_object-class                    html  
    BigQuic_object_builder                  html  
    generate_sample                         html  
    plot.BigQuic_object                     html  
** building package indices
** 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 (BigQuic)