@@ -275,6 +275,7 @@ dnl | |||
dnl Reference: https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html | |||
dnl ================================================================ | |||
AX_CHECK_COMPILE_FLAG([-Wimplicit], [CFLAGS="-Wimplicit $CFLAGS"]) | |||
AX_CHECK_COMPILE_FLAG([-Wmissing-prototypes], [CFLAGS="-Wmissing-prototypes $CFLAGS"]) | |||
AX_CHECK_COMPILE_FLAG([-Wreturn-type], [CFLAGS="-Wreturn-type $CFLAGS"]) | |||
AX_CHECK_COMPILE_FLAG([-Wuninitialized], [CFLAGS="-Wuninitialized $CFLAGS"]) |