diff -r 70b199792735 -r ad40f7d32846 CMakeLists.txt
--- a/CMakeLists.txt	Fri Aug 09 11:07:27 2013 +0200
+++ b/CMakeLists.txt	Sun Aug 11 15:28:12 2013 +0200
@@ -114,6 +114,8 @@
 CHECK_TYPE_SIZE("long long" LONG_LONG)
 SET(LEMON_HAVE_LONG_LONG ${HAVE_LONG_LONG})
 
+INCLUDE(FindPythonInterp)
+
 ENABLE_TESTING()
 
 IF(${CMAKE_BUILD_TYPE} STREQUAL "Maintainer")