clang -O2  -Wall -Wextra -Werror -Wno-error=deprecated -Wno-error=deprecated-declarations math/FP_FAST_FMAF.c -o math/FP_FAST_FMAF -D_POSIX_C_SOURCE=202405L  -lm  -lintl
math/FP_FAST_FMAF.c:4:2: error: "FP_FAST_FMAF is not defined"
#error "FP_FAST_FMAF is not defined"
 ^
1 error generated.