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