Added some OSG headers for the correct evaluation of the OSG_VERSION_LESS_THAN macro.

[simgear.git] / CMakeLists.txt

diff --git a/CMakeLists.txt b/CMakeLists.txt
index a98c937c340dcbed084d570dabac388971b11821..336e54c47398976e2da5627a4416d2d3d9c759a4 100644 (file)
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -181,7 +181,7 @@ else()
         message(STATUS "Sound support: ENABLED")
     endif(ENABLE_SOUND)
     
-    find_package(OpenSceneGraph 3.2.0 REQUIRED osgText osgSim osgDB osgParticle osgGA osgUtil)
+    find_package(OpenSceneGraph 3.2.0 REQUIRED osgText osgSim osgDB osgParticle osgGA osgViewer osgUtil)
 endif(SIMGEAR_HEADLESS)
 
 find_package(ZLIB REQUIRED)