* installing *source* package ‘fRLR’ ...
** package ‘fRLR’ successfully unpacked and MD5 sums checked
** using staged installation
checking for gsl-config... /opt/R/arm64/bin/gsl-config
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 we are using the GNU C compiler... yes
checking whether clang -arch arm64 accepts -g... yes
checking for clang -arch arm64 option to accept ISO C89... none needed
checking how to run the C preprocessor... clang -arch arm64 -E
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking for ANSI C header files... rm: conftest.dSYM: is a directory
rm: conftest.dSYM: is a directory
yes
checking for sys/types.h... yes
checking for sys/stat.h... yes
checking for stdlib.h... yes
checking for string.h... yes
checking for memory.h... yes
checking for strings.h... yes
checking for inttypes.h... yes
checking for stdint.h... yes
checking for unistd.h... yes
checking omp.h usability... yes
checking omp.h presence... yes
checking for omp.h... 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 -std=gnu++17 -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG -I/opt/R/arm64/include -fopenmp -I'/Volumes/Builds/packages/big-sur-arm64/Rlib/4.4/Rcpp/include' -I/opt/R/arm64/include    -fPIC  -falign-functions=64 -Wall -g -O2   -c RcppExports.cpp -o RcppExports.o
clang: error: unsupported option '-fopenmp'
make: *** [RcppExports.o] Error 1
ERROR: compilation failed for package ‘fRLR’
* removing ‘/Volumes/Builds/packages/big-sur-arm64/results/4.4/fRLR.Rcheck/fRLR’