* installing *source* package ‘dress.graph’ ...
** this is package ‘dress.graph’ version ‘0.8.3’
** package ‘dress.graph’ successfully unpacked and MD5 sums checked
** using staged installation
  dress.graph configure:
    PKG_CFLAGS = -I.  -fopenmp
    PKG_LIBS   =  -fopenmp -lm
** libs
using C compiler: ‘Apple clang version 14.0.3 (clang-1403.0.22.14.1)’
using SDK: ‘MacOSX11.3.1.sdk’
clang -arch arm64 -std=gnu2x -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/opt/R/arm64/include   -I.  -fopenmp -fPIC  -falign-functions=64 -Wall -g -O2  -c delta_dress.c -o delta_dress.o
clang -arch arm64 -std=gnu2x -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/opt/R/arm64/include   -I.  -fopenmp -fPIC  -falign-functions=64 -Wall -g -O2  -c delta_dress_cuda.c -o delta_dress_cuda.o
clang -arch arm64 -std=gnu2x -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/opt/R/arm64/include   -I.  -fopenmp -fPIC  -falign-functions=64 -Wall -g -O2  -c delta_dress_impl.c -o delta_dress_impl.o
clang -arch arm64 -std=gnu2x -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/opt/R/arm64/include   -I.  -fopenmp -fPIC  -falign-functions=64 -Wall -g -O2  -c delta_dress_omp.c -o delta_dress_omp.o
clang -arch arm64 -std=gnu2x -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/opt/R/arm64/include   -I.  -fopenmp -fPIC  -falign-functions=64 -Wall -g -O2  -c dress.c -o dress.o
clang -arch arm64 -std=gnu2x -I"/Library/Frameworks/R.framework/Resources/include" -DNDEBUG   -I/opt/R/arm64/include   -I.  -fopenmp -fPIC  -falign-functions=64 -Wall -g -O2  -c dress_cuda_r.c -o dress_cuda_r.o
clang: clang: error: unsupported option '-fopenmp'error: unsupported option '-fopenmp'

clang: error: unsupported option '-fopenmp'
clang: error: unsupported option '-fopenmp'
clang: error: unsupported option '-fopenmp'
clang: error: unsupported option '-fopenmp'
make: *** [delta_dress.o] Error 1
make: *** Waiting for unfinished jobs....
make: *** [delta_dress_cuda.o] Error 1
make: *** [delta_dress_omp.o] Error 1
make: *** [delta_dress_impl.o] Error 1
make: *** [dress.o] Error 1
make: *** [dress_cuda_r.o] Error 1
ERROR: compilation failed for package ‘dress.graph’
* removing ‘/Volumes/Builds/packages/big-sur-arm64/results/4.5/dress.graph.Rcheck/dress.graph’