modifications for compilation under Mac OS X

applied patches extracted from submission by Marc Newsam (tested under Mac OS 9)


git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@9372 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/defs.h

@@ -52,8 +52,33 @@
         #define OS2EMX_PLAIN_CHAR
     #endif
 
-#elif defined(applec) || defined(THINK_C) || ( defined( __MWERKS__ ) && !defined(__INTEL__) )
+    #if defined(__APPLE__)
+	// MacOS X
+        #ifndef __WXMAC__
+            #define __WXMAC__
+        #endif
+        #ifndef __WXMAC_X__
+            #define __WXMAC_X__
+        #endif
+    
+        #define PM_USE_SESSION_APIS 0
+        #include <Carbon/Carbon.h>
+    #endif
+#elif defined(applec) || defined(THINK_C) || (defined(__MWERKS__) && !defined(__INTEL__))
         // MacOS
+#elif defined(__WXMAC__) && defined(__APPLE__)
+	// MacOS X
+    #define __UNIX_LIKE__
+
+    #ifndef __WXMAC__
+        #define __WXMAC__
+    #endif
+    #ifndef __WXMAC_X__
+        #define __WXMAC_X__
+    #endif
+    
+    #define PM_USE_SESSION_APIS 0
+    #include <Carbon/Carbon.h>
 #elif defined(__OS2__)
     #if defined(__IBMCPP__)
         #define __VISAGEAVER__ __IBMCPP__