--- src/osg/CMakeLists.txt.orig	2008-07-21 05:46:53.000000000 -0400
+++ src/osg/CMakeLists.txt	2009-01-31 14:54:39.000000000 -0500
@@ -312,7 +312,7 @@
 LINK_INTERNAL(${LIB_NAME}     
     OpenThreads
 )
-LINK_EXTERNAL(${LIB_NAME} ${CMAKE_THREAD_LIBS_INIT}    ${MATH_LIBRARY} )
-LINK_CORELIB_DEFAULT(${LIB_NAME} ${CMAKE_THREAD_LIBS_INIT} ${MATH_LIBRARY} )
+LINK_EXTERNAL(${LIB_NAME} ${CMAKE_THREAD_LIBS_INIT}    ${MATH_LIBRARY} dl )
+LINK_CORELIB_DEFAULT(${LIB_NAME} ${CMAKE_THREAD_LIBS_INIT} ${MATH_LIBRARY} dl )
 
 INCLUDE(ModuleInstall OPTIONAL)