cc -pthread   -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations signal/SIG2STR_MAX.c -o signal/SIG2STR_MAX -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt  -lgdbm_compat -lcrypt -latomic
signal/SIG2STR_MAX.c:3:2: error: #error "SIG2STR_MAX is not defined"
    3 | #error "SIG2STR_MAX is not defined"
      |  ^~~~~