From 3b0d2cbdb3aae09931bb7ece7cb3a7e2b29d12d7 Mon Sep 17 00:00:00 2001
From: klickverbot <klickverbot@67173fc5-114c-0410-ac8e-9d2fd5bffc1f>
Date: Mon, 19 Mar 2012 18:40:48 +0000
Subject: [PATCH] Enable simple OpenGL sample under Linux.

Thanks to Marcel Metz for the patch.

git-svn-id: https://assimp.svn.sourceforge.net/svnroot/assimp/trunk@1206 67173fc5-114c-0410-ac8e-9d2fd5bffc1f
---
 CMakeLists.txt                      |  2 +-
 samples/SimpleOpenGL/CMakeLists.txt | 19 ++++++++++++++++---
 2 files changed, 17 insertions(+), 4 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8b7c72df7..fc0ac8a34 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -137,10 +137,10 @@ SET ( BUILD_ASSIMP_TOOLS ON CACHE BOOL
 IF ( BUILD_ASSIMP_TOOLS )
 	IF ( WIN32 )
 		ADD_SUBDIRECTORY( tools/assimp_view/ )
-		ADD_SUBDIRECTORY( samples/SimpleOpenGL/ )
 		ADD_SUBDIRECTORY( samples/SimpleTexturedOpenGL/ )
 	ENDIF ( WIN32 )
 	ADD_SUBDIRECTORY( tools/assimp_cmd/ )
+	ADD_SUBDIRECTORY( samples/SimpleOpenGL/ )
 ENDIF ( BUILD_ASSIMP_TOOLS )
 
 SET ( BUILD_TESTS OFF CACHE BOOL
diff --git a/samples/SimpleOpenGL/CMakeLists.txt b/samples/SimpleOpenGL/CMakeLists.txt
index 9b2ae5402..ae27bfd7f 100644
--- a/samples/SimpleOpenGL/CMakeLists.txt
+++ b/samples/SimpleOpenGL/CMakeLists.txt
@@ -1,13 +1,26 @@
+FIND_PACKAGE(OpenGL)
+FIND_PACKAGE(GLUT)
+
+IF ( NOT GLUT_FOUND )
+	IF ( MSVC )
+		SET ( GLUT_FOUND 1 )
+		SET ( GLUT_INCLUDE_DIR ${Assimp_SOURCE_DIR}/samples/glut/ )
+		SET ( GLUT_LIBRARIES ${Assimp_SOURCE_DIR}/samples/glut/glut32.lib )
+	ELSE ( MSVC )
+		MESSAGE( WARNING "Please install glut." )
+	ENDIF ( MSVC )
+ENDIF ( NOT GLUT_FOUND )
+
 INCLUDE_DIRECTORIES(
 	${Assimp_SOURCE_DIR}/include
 	${Assimp_SOURCE_DIR}/code
-	${Assimp_SOURCE_DIR}/samples/glut/
+	${OPENGL_INCLUDE_DIR}
+	${GLUT_INCLUDE_DIR}
 )
 
 LINK_DIRECTORIES( 
 	${Assimp_BINARY_DIR} 
 	${Assimp_BINARY_DIR}/lib 
-	${Assimp_SOURCE_DIR}/samples/glut/
 )
 
 ADD_EXECUTABLE( assimp_simpleogl
@@ -16,7 +29,7 @@ ADD_EXECUTABLE( assimp_simpleogl
 
 SET_PROPERTY(TARGET assimp_simpleogl PROPERTY DEBUG_POSTFIX ${DEBUG_POSTFIX})
 
-TARGET_LINK_LIBRARIES( assimp_simpleogl assimp )
+TARGET_LINK_LIBRARIES( assimp_simpleogl assimp ${OPENGL_LIBRARIES} ${GLUT_LIBRARIES} )
 SET_TARGET_PROPERTIES( assimp_simpleogl PROPERTIES
 	OUTPUT_NAME assimp_simpleogl
 )