From 2e575fef2bac4fb7b7a20d8864abb6665bf4ef19 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Sl=C3=A1vek=20Banko?= <slavek.banko@axis.cz>
Date: Tue, 12 Jun 2012 02:48:12 +0200
Subject: [PATCH] Fix GLU detection on old distros (no pkgconfig file) Thanks
 to Francois Andriot for the patch!

---
 kpovmodeler/ConfigureChecks.cmake | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/kpovmodeler/ConfigureChecks.cmake b/kpovmodeler/ConfigureChecks.cmake
index 3b325475..f4fdd1c0 100644
--- a/kpovmodeler/ConfigureChecks.cmake
+++ b/kpovmodeler/ConfigureChecks.cmake
@@ -12,7 +12,11 @@
 # glu
 pkg_search_module( GLU glu )
 if( NOT GLU_FOUND )
-  tde_message_fatal( "glu is required, but was not found on your system" )
+  check_include_file ( GL/glu.h HAVE_GLU )
+  if( NOT HAVE_GLU )
+    tde_message_fatal( "glu is required, but was not found on your system" )
+  endif ( )
+  set( GLU_LIBRARIES "-lGL -lGLU" )
 endif( )