extracted Unix code in a separate new file (src/unix/dlunix.cpp), it remains only to refactor Mac/OS2 versions to finally fix the mess in common/dnylib.cpp...

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@31405 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/dynlib.h

@@ -33,6 +33,10 @@
 #include "wx/msw/private.h"
 #endif
 
+#if defined(HAVE_DLERROR) && !defined(__EMX__)
+    #define wxHAVE_DYNLIB_ERROR
+#endif
+
 class WXDLLIMPEXP_BASE wxDynamicLibraryDetailsCreator;
 
 // ----------------------------------------------------------------------------
@@ -196,8 +200,8 @@ public:
     // raw function for loading dynamic libs: always behaves as if
     // wxDL_VERBATIM were specified and doesn't log error message if the
     // library couldn't be loaded but simply returns NULL
-    static wxDllType RawLoad(const wxString& libname);
-    
+    static wxDllType RawLoad(const wxString& libname, int flags = wxDL_DEFAULT);
+
     // detach the library object from its handle, i.e. prevent the object from
     // unloading the library in its dtor -- the caller is now responsible for
     // doing this
@@ -271,6 +275,11 @@ protected:
     // common part of GetSymbol() and HasSymbol()
     void *DoGetSymbol(const wxString& name, bool *success = 0) const;
 
+#ifdef wxHAVE_DYNLIB_ERROR
+    // log the error after a dlxxx() function failure
+    static void Error();
+#endif // wxHAVE_DYNLIB_ERROR
+
 
     // platform specific shared lib suffix.
     static const wxChar *ms_dllext;