@@ -24,10 +24,24 @@
#ifndef __PLATFORM_H__
#define __PLATFORM_H__ 1
-// Helper defines for operating systems
-#define IS_LINUX (defined(__gnu_linux__) || defined(__linux__))
-#define IS_MACOSX (defined(__APPLE__) && defined(__MACH__)) /* yes, both. */
-#define IS_WINDOWS (defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(__WINDOWS__))
+/* Helper defines for operating systems.
+ * This may seem complicated but the following would be undefined behavior:
+ * #define IS_LINUX (defined(__gnu_linux__) || defined(__linux__)) */
+#if defined(__gnu_linux__) || defined(__linux__)
+ #define IS_LINUX (1)
+#else
+ #define IS_LINUX (0)
+#endif
+#if defined(__APPLE__) && defined(__MACH__) /* yes, both. */
+ #define IS_MACOSX (1)
+#else
+ #define IS_MACOSX (0)
+#endif
+#if defined(_WIN32) || defined(_WIN64) || defined(__WIN32__) || defined(__WINDOWS__)
+ #define IS_WINDOWS (1)
+#else
+ #define IS_WINDOWS (0)
+#endif
// Likewise for target architectures
#if defined (__i386__) || defined (__x86_64__) || defined(__amd64__)
Found by clang (warning introduced in r258128), reported by Idwer. Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at> --- platform.h | 22 ++++++++++++++++++---- 1 file changed, 18 insertions(+), 4 deletions(-)