cc -pthread   -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations unistd/_CS_POSIX_V7_THREADS_LDFLAGS.c -o unistd/_CS_POSIX_V7_THREADS_LDFLAGS -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt  -lgdbm_compat -lcrypt -latomic
unistd/_CS_POSIX_V7_THREADS_LDFLAGS.c:3:17: error: ‘_CS_POSIX_V7_THREADS_LDFLAGS’ undeclared here (not in a function); did you mean ‘_CS_POSIX_V7_LP64_OFF64_LDFLAGS’?
    3 | int const foo = _CS_POSIX_V7_THREADS_LDFLAGS;
      |                 ^~~~~~~~~~~~~~~~~~~~~~~~~~~~
      |                 _CS_POSIX_V7_LP64_OFF64_LDFLAGS