cc -pthread   -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations limits/NSIG_MAX.c -o limits/NSIG_MAX -D_POSIX_C_SOURCE=202405L  -lm -lpthread   -liconv
limits/NSIG_MAX.c:3:2: error: "NSIG_MAX is not defined"
    3 | #error "NSIG_MAX is not defined"
      |  ^
1 error generated.