fixing warning and compile error against 10.4

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

diff --git a/include/wx/wxcrtbase.h b/include/wx/wxcrtbase.h
index 81957c596aa78536af1f8ef7510f29d1343d5d36..d9ee66261ac3754d30c960eba3c2db0a24eefac8 100644 (file)
--- a/include/wx/wxcrtbase.h
+++ b/include/wx/wxcrtbase.h
@@ -643,10 +643,35 @@ WXDLLIMPEXP_BASE wchar_t * wxCRT_GetenvW(const wchar_t *name);
    ------------------------------------------------------------------------- */
 
 #define wxCRT_StrftimeA  strftime
-#ifndef __WXPALMOS__
-/* FIXME-UTF8: when is this available? */
-#define wxCRT_StrftimeW  wcsftime
-#endif /* ! __WXPALMOS__ */
+#ifdef __SGI__
+    /*
+        IRIX provides not one but two versions of wcsftime(): XPG4 one which
+        uses "const char*" for the third parameter and so can't be used and the
+        correct, XPG5, one. Unfortunately we can't just define _XOPEN_SOURCE
+        high enough to get XPG5 version as this undefines other symbols which
+        make other functions we use unavailable (see <standards.h> for gory
+        details). So just declare the XPG5 version ourselves, we're extremely
+        unlikely to ever be compiled on a system without it. But if we ever do,
+        a configure test would need to be added for it (and _MIPS_SYMBOL_PRESENT
+        should be used to check for its presence during run-time, i.e. it would
+        probably be simpler to just always use our own wxCRT_StrftimeW() below
+        if it does ever become a problem).
+     */
+#ifdef __cplusplus
+    extern "C"
+#endif
+    size_t
+    _xpg5_wcsftime(wchar_t *, size_t, const wchar_t *, const struct tm * );
+    #define wxCRT_StrftimeW _xpg5_wcsftime
+#else
+    // Assume it's always available under non-Unix systems with the exception
+    // of Palm OS, this does seem to be the case for now. And under Unix we
+    // trust configure to detect it (except for SGI special case above).
+    #if defined(HAVE_WCSFTIME) || \
+        !(defined(__UNIX__) || defined(__WXPALMOS__))
+        #define wxCRT_StrftimeW  wcsftime
+    #endif /* ! __WXPALMOS__ */
+#endif
 
 #ifndef wxCRT_StrftimeW
 WXDLLIMPEXP_BASE size_t wxCRT_StrftimeW(wchar_t *s, size_t max,