guarding agains NULL

[wxWidgets.git] / include / wx / defs.h

diff --git a/include/wx/defs.h b/include/wx/defs.h
index c57541cde8ac3bafe1579c4e0203c66eb3850921..f404e9ae21549f9922036990f106116653af1eb7 100644 (file)
--- a/include/wx/defs.h
+++ b/include/wx/defs.h
@@ -175,6 +175,18 @@
 #   define wxSUPPRESS_GCC_PRIVATE_DTOR_WARNING(name)
 #endif
 
+/*
+   Clang Support
+ */
+ 
+#ifndef WX_HAS_CLANG_FEATURE
+#   ifndef __has_feature      
+#       define WX_HAS_CLANG_FEATURE(x) 0 
+#   else
+#       define WX_HAS_CLANG_FEATURE(x) __has_feature(x)
+#   endif
+#endif
+
 /*  ---------------------------------------------------------------------------- */
 /*  wxWidgets version and compatibility defines */
 /*  ---------------------------------------------------------------------------- */
@@ -391,6 +403,10 @@ typedef short int WXTYPE;
     #if wxCHECK_WATCOM_VERSION(1,2)
         #define HAVE_VARIADIC_MACROS
     #endif
+
+    #if wxCHECK_VISUALC_VERSION(9)
+        #define HAVE_VARIADIC_MACROS
+    #endif
 #endif /* HAVE_VARIADIC_MACROS */
 
 
@@ -510,6 +526,17 @@ typedef short int WXTYPE;
 #   define WX_ATTRIBUTE_PRINTF_5 WX_ATTRIBUTE_PRINTF(5, 6)
 #endif /* !defined(WX_ATTRIBUTE_PRINTF) */
 
+#ifndef WX_ATTRIBUTE_NORETURN
+#   if WX_HAS_CLANG_FEATURE(attribute_analyzer_noreturn)
+#       define WX_ATTRIBUTE_NORETURN __attribute__((analyzer_noreturn))
+#   elif defined( __GNUC__ )
+#       define WX_ATTRIBUTE_NORETURN __attribute__ ((noreturn))
+#   elif wxCHECK_VISUALC_VERSION(7)
+#       define WX_ATTRIBUTE_NORETURN __declspec(noreturn)
+#   else
+#       define WX_ATTRIBUTE_NORETURN
+#   endif
+#endif
 
 /*  Macro to issue warning when using deprecated functions with gcc3 or MSVC7: */
 #if wxCHECK_GCC_VERSION(3, 1)
@@ -3278,7 +3305,7 @@ typedef const void* WXWidget;
     "/manifestdependency:\"type='win32'         \
      name='Microsoft.Windows.Common-Controls'   \
      version='6.0.0.0'                          \
-     processorArchitecture='"cpu"'              \
+     processorArchitecture='" cpu "'            \
      publicKeyToken='6595b64144ccf1df'          \
      language='*'\""