From 6207dc41bd3cc396e82848002db784b2acb7a77d Mon Sep 17 00:00:00 2001
From: Brad King <brad.king@kitware.com>
Date: Mon, 19 Jun 2006 10:07:44 -0400
Subject: [PATCH] ENH: Do not search for X11 if it is already found.

---
 Modules/FindOpenGL.cmake | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Modules/FindOpenGL.cmake b/Modules/FindOpenGL.cmake
index 4c1891125..ac67d42b1 100644
--- a/Modules/FindOpenGL.cmake
+++ b/Modules/FindOpenGL.cmake
@@ -95,7 +95,9 @@ ELSE (WIN32)
   # It's not true on OSX.
 
   IF (OPENGL_gl_LIBRARY)
-    INCLUDE(FindX11)
+    IF(NOT X11_FOUND)
+      INCLUDE(FindX11)
+    ENDIF(NOT X11_FOUND)
     IF (X11_FOUND)
       IF (NOT APPLE)
         SET (OPENGL_LIBRARIES ${X11_LIBRARIES})