cc -pthread  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations time/TIME_UTC.c -o time/TIME_UTC -D_POSIX_C_SOURCE=202405L -lm -lpthread -lrt -lintl -liconv
time/TIME_UTC.c:3:2: error: #error "TIME_UTC is not defined"
    3 | #error "TIME_UTC is not defined"
      |  ^~~~~