cc -pipe -O   -pthread  -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 -lpthread -lrt  -lrt -lcrypt
math/FP_FAST_FMAF.c:4:2: error: #error "FP_FAST_FMAF is not defined"
 #error "FP_FAST_FMAF is not defined"
  ^~~~~