Check that __cplusplus is defined before checking its value.

Avoids harmless in this case warning about __cplusplus being undefined in comparison.
2015-06-14 15:55:08 +02:00
parent 5ac3c9ac7a
commit 49fb8c25f5
1 changed files with 1 additions and 1 deletions
--- a/include/wx/defs.h
+++ b/include/wx/defs.h
@@ -361,7 +361,7 @@ typedef short int WXTYPE;
    Check for C++11 compilers, it is important to do it before the
    __has_include() checks because of g++ 4.9.2+ complications below.
 */
-#if __cplusplus >= 201103L || wxCHECK_VISUALC_VERSION(10)
+#if (defined(__cplusplus) && __cplusplus >= 201103L) || wxCHECK_VISUALC_VERSION(10)
    #ifndef HAVE_TYPE_TRAITS
        #define HAVE_TYPE_TRAITS
    #endif