X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/23318a5358be74727fb62854f623da84a4545bcd..f0e5d5d22ce012e9312a63175d79c0f4a8d444be:/include/wx/dlimpexp.h

diff --git a/include/wx/dlimpexp.h b/include/wx/dlimpexp.h
index 3f400f52d8..d6c7522d84 100644
--- a/include/wx/dlimpexp.h
+++ b/include/wx/dlimpexp.h
@@ -22,14 +22,25 @@
 #elif defined(__WINDOWS__)
     /*
        __declspec works in BC++ 5 and later, Watcom C++ 11.0 and later as well
-       as VC++ and gcc
+       as VC++.
      */
-#    if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__GNUC__) || defined(__WATCOMC__)
+#    if defined(__VISUALC__) || defined(__BORLANDC__) || defined(__WATCOMC__)
 #        define WXEXPORT __declspec(dllexport)
 #        define WXIMPORT __declspec(dllimport)
-#    else /* compiler doesn't support __declspec() */
-#        define WXEXPORT
-#        define WXIMPORT
+    /*
+        While gcc also supports __declspec(dllexport), it creates unusably huge
+        DLL files since gcc 4.5 (while taking horribly long amounts of time),
+        see http://gcc.gnu.org/bugzilla/show_bug.cgi?id=43601. Because of this
+        we rely on binutils auto export/import support which seems to work
+        quite well for 4.5+.
+     */
+#    elif defined(__GNUC__) && !wxCHECK_GCC_VERSION(4, 5)
+        /*
+            __declspec could be used here too but let's use the native
+            __attribute__ instead for clarity.
+        */
+#       define WXEXPORT __attribute__((dllexport))
+#       define WXIMPORT __attribute__((dllimport))
 #    endif
 #elif defined(__WXPM__)
 #    if defined (__WATCOMC__)
@@ -86,6 +97,7 @@
 #    define WXMAKINGDLL_XML
 #    define WXMAKINGDLL_XRC
 #    define WXMAKINGDLL_AUI
+#    define WXMAKINGDLL_RIBBON
 #    define WXMAKINGDLL_PROPGRID
 #    define WXMAKINGDLL_RICHTEXT
 #    define WXMAKINGDLL_MEDIA
@@ -216,6 +228,14 @@
 #    define WXDLLIMPEXP_AUI
 #endif
 
+#ifdef WXMAKINGDLL_RIBBON
+#    define WXDLLIMPEXP_RIBBON WXEXPORT
+#elif defined(WXUSINGDLL)
+#    define WXDLLIMPEXP_RIBBON WXIMPORT
+#else /* not making nor using DLL */
+#    define WXDLLIMPEXP_RIBBON
+#endif
+
 #ifdef WXMAKINGDLL_PROPGRID
 #    define WXDLLIMPEXP_PROPGRID WXEXPORT
 #    define WXDLLIMPEXP_DATA_PROPGRID(type) WXEXPORT type