From adc28159abd921fc4cbdd942af8c149ba6800f2a Mon Sep 17 00:00:00 2001
From: Alexander Schmidt <alex@treefish.org>
Date: Wed, 27 Nov 2013 11:42:58 +0100
Subject: [PATCH] Made opengl optional and added find_package for boost.

---
 CMakeLists.txt | 24 +++++++++++++++---------
 1 file changed, 15 insertions(+), 9 deletions(-)

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 4506e8d..761a585 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -5,8 +5,13 @@ project(latlib)
 #set(CMAKE_EXE_LINKER_FLAGS -pg)
 #set(CMAKE_SHARED_LINKER_FLAGS -pg)
 
+cmake_minimum_required(VERSION 2.8)
+
+find_package(Boost 1.49 COMPONENTS iostreams REQUIRED)
+include_directories(${Boost_INCLUDE_DIRS}) 
+
 add_library(lat_configcache configcache.cpp)
-target_link_libraries(lat_configcache boost_iostreams lat_writeout)
+target_link_libraries(lat_configcache ${Boost_LIBRARIES} lat_writeout)
 
 add_library(lat_hypercache hypercache.cpp)
 target_link_libraries(lat_hypercache lat_configcache lat_writeout)
@@ -19,16 +24,17 @@ add_library(lat_paraq paraq.cpp)
 
 add_library(lat_progress progress.cpp)
 
-find_package(OpenGL REQUIRED)
-find_package(GLUT REQUIRED)
-include_directories( ${OPENGL_INCLUDE_DIRS}  ${GLUT_INCLUDE_DIRS} ../ )
-add_library(lat_culooks culooks.cpp culooks_cube.cpp culooks_drawing.cpp)
-target_link_libraries(lat_culooks ${OPENGL_LIBRARIES} ${GLUT_LIBRARY} pthread)
+find_package(OpenGL)
+find_package(GLUT)
+if (OPENGL_FOUND AND GLUT_FOUND)
+    include_directories( ${OPENGL_INCLUDE_DIRS}  ${GLUT_INCLUDE_DIRS} ../ )
+    add_library(lat_culooks culooks.cpp culooks_cube.cpp culooks_drawing.cpp)
+    target_link_libraries(lat_culooks ${OPENGL_LIBRARIES} ${GLUT_LIBRARY} pthread)
+    add_executable(culooks_test culooks_test.cpp)
+    target_link_libraries(culooks_test lat_culooks)
+endif ()
 
 add_executable(neigh_test neigh_test.cpp)
 target_link_libraries(neigh_test lat_neigh)
 
-add_executable(culooks_test culooks_test.cpp)
-target_link_libraries(culooks_test lat_culooks)
-
 add_subdirectory(o815)
-- 
2.39.5