cc -pthread   -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations limits/SIGQUEUE_MAX.c -o limits/SIGQUEUE_MAX -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt  -lgdbm_compat -lcrypt -latomic
limits/SIGQUEUE_MAX.c:4:2: error: #error "SIGQUEUE_MAX is not defined"
    4 | #error "SIGQUEUE_MAX is not defined"
      |  ^~~~~