clang -O2  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations math/MATH_ERREXCEPT.c -o math/MATH_ERREXCEPT -D_POSIX_C_SOURCE=202405L  -lm  -lintl
math/MATH_ERREXCEPT.c:3:2: error: "MATH_ERREXCEPT is not defined"
#error "MATH_ERREXCEPT is not defined"
 ^
1 error generated.