cc -pipe -O   -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations dirent/DT_MQ.c -o dirent/DT_MQ -D_POSIX_C_SOURCE=202405L  -lm -lpthread -lrt  -lrt -lcrypt
dirent/DT_MQ.c:3:2: error: #error "DT_MQ is not defined"
 #error "DT_MQ is not defined"
  ^~~~~