diff -Nur old/bindings/CMakeLists.txt new/bindings/CMakeLists.txt
--- old/bindings/CMakeLists.txt	2011-04-11 22:51:37.891109001 +0200
+++ new/bindings/CMakeLists.txt	2011-04-11 22:55:52.859108992 +0200
@@ -21,17 +21,17 @@
 #FIND_PACKAGE(PerlLibs)
 FIND_PACKAGE(Perl)
 
-IF (RUBY_LIBRARY AND RUBY_INCLUDE_PATH)
-    ADD_SUBDIRECTORY(ruby)
-ENDIF(RUBY_LIBRARY AND RUBY_INCLUDE_PATH)
+#IF (RUBY_LIBRARY AND RUBY_INCLUDE_PATH)
+#    ADD_SUBDIRECTORY(ruby)
+#ENDIF(RUBY_LIBRARY AND RUBY_INCLUDE_PATH)
 
 IF (PYTHON_LIBRARY)
   ADD_SUBDIRECTORY(python)
 ENDIF(PYTHON_LIBRARY)
 
-IF (PERL_EXECUTABLE)
-  ADD_SUBDIRECTORY(perl)
-ENDIF (PERL_EXECUTABLE)
+#IF (PERL_EXECUTABLE)
+#  ADD_SUBDIRECTORY(perl)
+#ENDIF (PERL_EXECUTABLE)
 
 SET(bindings_devel_dir "${CMAKE_CURRENT_BINARY_DIR}/satsolver-bindings")
 ADD_CUSTOM_COMMAND (