From 8b3045e255d91b94eb62fa9282e27b891e3be1bb Mon Sep 17 00:00:00 2001
From: Christoph Oelckers <coelckers@zdoom.fake>
Date: Mon, 27 Apr 2015 09:51:39 +0200
Subject: [PATCH] - seems some OpenGL related stuff got lost during merge.
 Reinstated checks for OpenGL itself but since GLU is no longer needed it was
 removed for good from the project files.

---
 src/CMakeLists.txt | 12 ++++++++++++
 1 file changed, 12 insertions(+)

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 5feab8402..50862bbe6 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -213,6 +213,18 @@ else( WIN32 )
 	endif( FPU_CONTROL_DIR )
 endif( WIN32 )
 
+if( X64 )
+	set( NO_ASM ON )
+endif( X64 )
+
+# Check if we have OpenGL
+
+if( NOT OPENGL_FOUND )
+	message( FATAL_ERROR "OpenGL is required for building." )
+endif( NOT OPENGL_FOUND )
+
+set( ZDOOM_LIBS ${ZDOOM_LIBS} ${OPENGL_LIBRARIES} )
+include_directories( ${OPENGL_INCLUDE_DIR} )
 
 if( NOT NO_OPENAL )
     find_package( OpenAL )