* installing *source* package ‘fftw’ ...
** package ‘fftw’ successfully unpacked and MD5 sums checked
** using staged installation
checking for gcc... clang -arch arm64
checking whether the C compiler works... yes
checking for C compiler default output file name... a.out
checking for suffix of executables... 
checking whether we are cross compiling... no
checking for suffix of object files... o
checking whether the compiler supports GNU C... yes
checking whether clang -arch arm64 accepts -g... yes
checking for clang -arch arm64 option to enable C11 features... none needed
checking how to run the C preprocessor... clang -arch arm64 -E
checking for gcc... (cached) clang -arch arm64
checking whether the compiler supports GNU C... (cached) yes
checking whether clang -arch arm64 accepts -g... (cached) yes
checking for clang -arch arm64 option to enable C11 features... (cached) none needed
checking for pkg-config... /opt/R/arm64/bin/pkg-config
checking pkg-config is at least version 0.9.0... yes
checking for FFTW... yes
configure: creating ./config.status
config.status: creating src/Makevars
** libs
using C compiler: ‘Apple clang version 14.0.0 (clang-1400.0.29.202)’
using SDK: ‘MacOSX11.3.sdk’
clang -arch arm64 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG -I/opt/R/arm64/include -I/opt/R/arm64/include  -I/opt/R/arm64/include    -fPIC  -falign-functions=64 -Wall -g -O2  -c fftw.c -o fftw.o
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 fftw.so fftw.o -L/opt/R/arm64/lib -lfftw3 -lm -F/Library/Frameworks/R.framework/.. -framework R -Wl,-framework -Wl,CoreFoundation
installing to /Volumes/Builds/packages/big-sur-arm64/results/4.4/fftw.Rcheck/00LOCK-fftw/00new/fftw/libs
** generating debug symbols (dSYM)
** R
** 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 (fftw)