cc -O2 -pipe -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations limits/PTHREAD_THREADS_MAX.c -o limits/PTHREAD_THREADS_MAX -D_POSIX_C_SOURCE=202405L  -lm -lpthread -lrt  -lstdthreads -lcrypt
limits/PTHREAD_THREADS_MAX.c:4:2: error: "PTHREAD_THREADS_MAX is not defined"
    4 | #error "PTHREAD_THREADS_MAX is not defined"
      |  ^
1 error generated.