clang -O2  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations langinfo/ABALTMON_4.c -o langinfo/ABALTMON_4 -D_POSIX_C_SOURCE=202405L  -lm  -lintl
langinfo/ABALTMON_4.c:2:17: error: use of undeclared identifier 'ABALTMON_4'
int const foo = ABALTMON_4;
                ^
1 error generated.