ref: 95ccc48d0c30380bfc4367f442f3fea1af75e79a
parent: 29253046d59b7ae944f8d9c9164e27228852b4cf
author: Antonio Niño Díaz <antonio_nd@outlook.com>
date: Sun Apr 1 20:25:26 EDT 2018
Enable -Wundef Signed-off-by: Antonio Niño Díaz <antonio_nd@outlook.com>
--- a/Makefile
+++ b/Makefile
@@ -32,7 +32,7 @@
-Wunknown-pragmas -Wstrict-overflow=5 -Wstringop-overflow=4 \
-Walloc-zero -Wduplicated-cond -Wfloat-equal -Wshadow \
-Wcast-qual -Wcast-align -Wlogical-op -Wnested-externs \
- -Wno-aggressive-loop-optimizations -Winline \
+ -Wno-aggressive-loop-optimizations -Winline -Wundef \
-Wstrict-prototypes -Wold-style-definition
# Overridable CFLAGS
--- a/include/extern/stdnoreturn.h
+++ b/include/extern/stdnoreturn.h
@@ -9,16 +9,28 @@
#ifndef EXTERN_STDNORETURN_H
#define EXTERN_STDNORETURN_H
-#if __STDC_VERSION__ >= 201112L
- /* C11 or newer */
- #define noreturn _Noreturn
-#elif __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ >= 5))
- /* GCC 2.5 or newer */
- #define noreturn __attribute__ ((noreturn))
-#elif _MSC_VER >= 1310
- /* MS Visual Studio 2003/.NET Framework 1.1 or newer */
- #define noreturn _declspec(noreturn)
-#else
+#if defined(__STDC_VERSION__)
+ #if __STDC_VERSION__ >= 201112L
+ /* C11 or newer */
+ #define noreturn _Noreturn
+ #endif
+#endif
+
+#if defined(__GNUC__) && !defined(noreturn)
+ #if __GNUC__ > 2 || (__GNUC__ == 2 && (__GNUC_MINOR__ >= 5))
+ /* GCC 2.5 or newer */
+ #define noreturn __attribute__ ((noreturn))
+ #endif
+#endif
+
+#if defined(_MSC_VER) && !defined(noreturn)
+ #if _MSC_VER >= 1310
+ /* MS Visual Studio 2003/.NET Framework 1.1 or newer */
+ #define noreturn _declspec(noreturn)
+ #endif
+#endif
+
+#if !defined(noreturn)
/* Unsupported, but no need to throw a fit */
#define noreturn
#endif