* installing *source* package ‘prefmod’ ...
** package ‘prefmod’ successfully unpacked and MD5 sums checked
** using staged installation
** libs
using C compiler: ‘Apple clang version 14.0.0 (clang-1400.0.29.202)’
using Fortran compiler: ‘GNU Fortran (GCC) 12.2.0’
using SDK: ‘MacOSX11.3.sdk’
clang -arch arm64 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/opt/R/arm64/include    -fPIC  -falign-functions=64 -Wall -g -O2  -c init.c -o init.o
/opt/gfortran/bin/gfortran -arch arm64  -fPIC  -Wall -g -O2  -c  prefmod.f95 -o prefmod.o
prefmod.f95:11:2:

   11 |                 use iso_c_binding
      |         1       
Warning: Nonconforming tab character at (1) [-Wtabs]
prefmod.f95:34:2:

   34 |                 use iso_c_binding
      |         1       
Warning: Nonconforming tab character at (1) [-Wtabs]
prefmod.f95:86:2:

   86 |                 use iso_c_binding
      |         1       
Warning: Nonconforming tab character at (1) [-Wtabs]
clang -arch arm64 -dynamiclib -Wl,-headerpad_max_install_names -undefined dynamic_lookup -L/Library/Frameworks/R.framework/Resources/lib -L/opt/R/arm64/lib -o prefmod.so init.o prefmod.o -L/opt/gfortran/lib/gcc/aarch64-apple-darwin20.0/12.2.0 -L/opt/gfortran/lib -lgfortran -lemutls_w -lquadmath -F/Library/Frameworks/R.framework/.. -framework R -Wl,-framework -Wl,CoreFoundation
ld: warning: could not create compact unwind for ___emutls_get_address: registers 23 and 24 not saved contiguously in frame
ld: warning: could not create compact unwind for _calcs3_: register 73 saved somewhere other than in frame
ld: warning: could not create compact unwind for _pattp_: register 73 saved somewhere other than in frame
installing to /Volumes/Builds/packages/big-sur-arm64/results/4.4/prefmod.Rcheck/00LOCK-prefmod/00new/prefmod/libs
** generating debug symbols (dSYM)
** R
** data
*** moving datasets to lazyload DB
** 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 (prefmod)