diff --git a/CMakeLists.txt b/CMakeLists.txt
index 22afd0270..9e04fe3e7 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -41,11 +41,14 @@ ENDIF (BULLET2_USE_THREAD_LOCKS)
 IF(NOT WIN32)
 	SET(DL dl)
 	IF(CMAKE_SYSTEM_NAME MATCHES "Linux")
-	    SET(OSDEF -D_LINUX)
+		MESSAGE("Linux")
+		SET(OSDEF -D_LINUX)
 	ELSE(CMAKE_SYSTEM_NAME MATCHES "Linux")
 		IF(APPLE)
+			MESSAGE("Apple")
 			SET(OSDEF -D_DARWIN)
 		ELSE(APPLE)
+			MESSAGE("BSD?")
 			SET(OSDEF -D_BSD)
 			SET(DL "")
 		ENDIF(APPLE)
diff --git a/examples/OpenGLWindow/CMakeLists.txt b/examples/OpenGLWindow/CMakeLists.txt
index 5d1f37d9b..385b32216 100644
--- a/examples/OpenGLWindow/CMakeLists.txt
+++ b/examples/OpenGLWindow/CMakeLists.txt
@@ -50,7 +50,7 @@ ENDIF()
 
 ADD_LIBRARY(OpenGLWindow ${OpenGLWindow_SRCS} ${OpenGLWindow_HDRS})
 if (UNIX AND NOT APPLE)
-  target_link_libraries(OpenGLWindow )
+  target_link_libraries(OpenGLWindow ${DL})
 elseif (APPLE)
   target_link_libraries(OpenGLWindow ${COCOA_LIBRARY})
 endif ()