Allow building wxGTK under Windows with MSVC.

Replace a few more __WXMSW__ tests with __WINDOWS__ ones and modify bakefiles
to allow specifying the toolkit to be built in wxMSW makefiles.

Closes #13902.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@73290 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/msvc/wx/setup.h

@@ -87,7 +87,11 @@
 // The user can predefine a different prefix if not using the default MSW port
 // with MSVC.
 #ifndef wxTOOLKIT_PREFIX
-    #define wxTOOLKIT_PREFIX msw
+    #if defined(__WXGTK__)
+        #define wxTOOLKIT_PREFIX gtk2
+    #else
+        #define wxTOOLKIT_PREFIX msw
+    #endif
 #endif // wxTOOLKIT_PREFIX
 
 // the real setup.h header file we need is in the build-specific directory,
@@ -225,4 +229,16 @@
     #if wxUSE_URL_NATIVE
         #pragma comment(lib, "wininet")
     #endif
+
+    #ifdef __WXGTK__
+        #pragma comment(lib, "gtk-win32-2.0.lib")
+        #pragma comment(lib, "gdk-win32-2.0.lib")
+        #pragma comment(lib, "pangocairo-1.0.lib")
+        #pragma comment(lib, "gdk_pixbuf-2.0.lib")
+        #pragma comment(lib, "cairo.lib")
+        #pragma comment(lib, "pango-1.0.lib")
+        #pragma comment(lib, "gobject-2.0.lib")
+        #pragma comment(lib, "gthread-2.0.lib")
+        #pragma comment(lib, "glib-2.0.lib")
+    #endif
 #endif // !WXUSINGDLL