From 30be5f711b5a01e5e0d240671269608588f027d9 Mon Sep 17 00:00:00 2001
From: Matthias Melcher <fltk@matthiasm.com>
Date: Sun, 21 Jan 2007 14:57:42 +0000
Subject: [PATCH] Added code to support OS X weak'n;lazy linking.

git-svn-id: file:///fltk/svn/fltk/branches/branch-1.1@5628 ea41ed52-d2ee-0310-a9c1-e6b18d33e121
---
 src/Fl_mac.cxx | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

diff --git a/src/Fl_mac.cxx b/src/Fl_mac.cxx
index 452d98774..248f181f6 100644
--- a/src/Fl_mac.cxx
+++ b/src/Fl_mac.cxx
@@ -1318,14 +1318,19 @@ void fl_open_display() {
 
       if( !bundle )
       {
+	OSErr err = 1;
 #ifdef MAC_OS_X_VERSION_10_3
-	// newer supported API
-	if( !TransformProcessType( &cur_psn, kProcessTransformToForegroundApplication ) )
+        if (TransformProcessType != NULL) {
+          err = TransformProcessType(&cur_psn, kProcessTransformToForegroundApplication);
+        } 
 #else
-	// undocumented API
-	if( !CPSEnableForegroundOperation( &cur_psn, 0x03, 0x3C, 0x2C, 0x1103 ) )
+        if (CPSEnableForegroundOperation != NULL) {
+          err = CPSEnableForegroundOperation(&cur_psn, 0x03, 0x3C, 0x2C, 0x1103);
+	}
 #endif
+        if (err == noErr) {
 	  SetFrontProcess( &cur_psn );
+        }
       }
     }
   }