--- /dev/null
+diff --git a/applications/CMakeLists.txt b/applications/CMakeLists.txt
+index ab491c6..bee3d1f 100644
+--- a/applications/CMakeLists.txt
++++ b/applications/CMakeLists.txt
+@@ -32,12 +32,16 @@ IF(DYNAMIC_OPENSCENEGRAPH)
+ ADD_SUBDIRECTORY(osgconv)
+ ADD_SUBDIRECTORY(osgfilecache)
+ ADD_SUBDIRECTORY(osgversion)
+- ADD_SUBDIRECTORY(present3D)
++ if (NOT UNIX)
++ ADD_SUBDIRECTORY(present3D)
++ endif()
+ ELSE()
+ # need to define this on win32 or linker cries about _declspecs
+ ADD_DEFINITIONS(-DOSG_LIBRARY_STATIC)
+
+ ADD_SUBDIRECTORY(osgversion)
+- ADD_SUBDIRECTORY(present3D)
++ if (NOT UNIX)
++ ADD_SUBDIRECTORY(present3D)
++ endif()
+ ENDIF()
+
+diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt
+index 788e507..3c550bc 100644
+--- a/examples/CMakeLists.txt
++++ b/examples/CMakeLists.txt
+@@ -245,7 +245,7 @@ ELSE(DYNAMIC_OPENSCENEGRAPH)
+
+ IF(OSG_BUILD_PLATFORM_IPHONE)
+ ADD_SUBDIRECTORY(osgviewerIPhone)
+- ELSE()
++ ELSEIF (NOT UNIX)
+ ADD_SUBDIRECTORY(osgstaticviewer)
+ ENDIF()
+