diff -r a80381c43760 -r 06491fd08efd CMakeLists.txt
--- a/CMakeLists.txt	Mon Feb 28 10:19:34 2011 +0100
+++ b/CMakeLists.txt	Fri Dec 03 13:26:38 2010 +0100
@@ -124,6 +124,7 @@
 
 ADD_SUBDIRECTORY(lemon)
 IF(${CMAKE_SOURCE_DIR} STREQUAL ${PROJECT_SOURCE_DIR})
+  ADD_SUBDIRECTORY(contrib)
   ADD_SUBDIRECTORY(demo)
   ADD_SUBDIRECTORY(tools)
   ADD_SUBDIRECTORY(doc)