* installing *source* package ‘PRTree’ ...
** this is package ‘PRTree’ version ‘1.0.3’
** package ‘PRTree’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘Apple clang version 14.0.3 (clang-1403.0.22.14.1)’
using Fortran compiler: ‘GNU Fortran (GCC) 14.2.0’
Warning in system2("xcrun", "--show-sdk-version", TRUE, TRUE) :
  running command ''xcrun' --show-sdk-version 2>&1' had status 1
using SDK: ‘NA’
/opt/gfortran/bin/gfortran -arch x86_64  -fPIC  -Wall -g -O2  -c  prtree_types.f90 -o prtree_types.o
clang -arch x86_64 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/opt/R/x86_64/include    -fPIC  -falign-functions=64 -Wall -g -O2  -c PRTree_init.c -o PRTree_init.o
/opt/gfortran/bin/gfortran -arch x86_64  -fPIC  -Wall -g -O2  -c  prtree_misc.f90 -o prtree_misc.o
/opt/gfortran/bin/gfortran -arch x86_64  -fPIC  -Wall -g -O2  -c  prtree.f90 -o prtree.o
/opt/gfortran/bin/gfortran -arch x86_64  -fPIC  -Wall -g -O2  -c  Rcalls.f90 -o Rcalls.o
Rcalls.f90:136:2:

  136 |           if (printinfo >= log_base) then
      |         1
Warning: Nonconforming tab character at (1) [-Wtabs]
Rcalls.f90:138:2:

  138 |                         call labelpr("Root node cannot be splitted: No thresholds found.", -1)
      |         1       
Warning: Nonconforming tab character at (1) [-Wtabs]
Rcalls.f90:139:2:

  139 |                         call labelpr(" ", -1)
      |         1       
Warning: Nonconforming tab character at (1) [-Wtabs]
Rcalls.f90:140:2:

  140 |                 end if
      |         1       
Warning: Nonconforming tab character at (1) [-Wtabs]
clang -arch x86_64 -dynamiclib -Wl,-headerpad_max_install_names -undefined dynamic_lookup -L/Library/Frameworks/R.framework/Resources/lib -L/opt/R/x86_64/lib -o PRTree.so prtree_types.o prtree_misc.o prtree.o Rcalls.o PRTree_init.o -L/Library/Frameworks/R.framework/Resources/lib -lRlapack -L/Library/Frameworks/R.framework/Resources/lib -lRblas -L/opt/gfortran/lib/gcc/x86_64-apple-darwin20.0/14.2.0 -L/opt/gfortran/lib -lemutls_w -lheapt_w -lgfortran -lquadmath -L/opt/gfortran/lib/gcc/x86_64-apple-darwin20.0/14.2.0 -L/opt/gfortran/lib -lemutls_w -lheapt_w -lgfortran -lquadmath -F/Library/Frameworks/R.framework/.. -framework R
ld: warning: could not create compact unwind for _pr_tree_fort_: stack subq instruction is too different from dwarf stack size
installing to /Volumes/Builds/packages/big-sur-x86_64/results/4.5/PRTree.Rcheck/00LOCK-PRTree/00new/PRTree/libs
** generating debug symbols (dSYM)
** R
** inst
** byte-compile and prepare package for lazy loading
** help
*** installing help indices
** 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 (PRTree)