From Eric Sokolowsky,"libosgViewerd.so was not being built properly because it was being

linked with system libraries using LINK_INTERNAL instead of
LINK_EXTERNAL. This caused it to try to link with libXrandrd instead of
libXrandr, which failed. Attached is the fixed CMakeLists.txt."

src/osgViewer/CMakeLists.txt

@@ -163,9 +163,10 @@ LINK_INTERNAL(${LIB_NAME}
     osgUtil
     osg
     OpenThreads
-    ${LIB_EXTRA_LIBS}
 )
 
+LINK_EXTERNAL(${LIB_NAME} ${LIB_EXTRA_LIBS})
+
 LINK_CORELIB_DEFAULT(${LIB_NAME})
 
 IF(MINGW OR CYGWIN)