From dce550690c475a75d133c797e8dc179efc13602f Mon Sep 17 00:00:00 2001
From: Sam Lantinga <slouken@libsdl.org>
Date: Sun, 20 Feb 2011 12:39:59 -0800
Subject: [PATCH] Fixed compiling on Mac OS X 10.4

---
 src/video/cocoa/SDL_cocoawindow.m | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/src/video/cocoa/SDL_cocoawindow.m b/src/video/cocoa/SDL_cocoawindow.m
index a0fcc30e5..bac23cb84 100644
--- a/src/video/cocoa/SDL_cocoawindow.m
+++ b/src/video/cocoa/SDL_cocoawindow.m
@@ -725,11 +725,15 @@ - (void)rightMouseDown:(NSEvent *)theEvent
         rect.size.height = bounds.h;
         ConvertNSRect(&rect);
 
-        [nswindow setStyleMask:NSBorderlessWindowMask];
-        [nswindow setContentSize:rect.size];
+        if ([nswindow respondsToSelector: @selector(setStyleMask:)]) {
+            [nswindow performSelector: @selector(setStyleMask:) withObject: (id)NSBorderlessWindowMask];
+        }
         [nswindow setFrameOrigin:rect.origin];
+        [nswindow setContentSize:rect.size];
     } else {
-        [nswindow setStyleMask:GetWindowStyle(window)];
+        if ([nswindow respondsToSelector: @selector(setStyleMask:)]) {
+            [nswindow performSelector: @selector(setStyleMask:) withObject: (id)GetWindowStyle(window)];
+        }
 
         // This doesn't seem to do anything...
         //[nswindow setFrameOrigin:origin];