clang -O2   -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations sys_mman/shm_open.c -o sys_mman/shm_open -D_POSIX_C_SOURCE=202405L  -lm   -lintl
../out/minix/include/sys_mman/shm_open.o:(.data+0x0): undefined reference to `shm_open'
clang: error: linker command failed with exit code 1 (use -v to see invocation)