nixpkgs/pkgs/development/web/wml/no_bitvector.patch

--- a/wml_common/Makefile.in	2014-12-17 00:28:25.156736048 +0100
+++ b/wml_common/Makefile.in	2014-12-17 00:28:30.501817958 +0100
@@ -45,7 +45,6 @@
      have_gd=0
 
 SUBDIRS = \
-     bitvector \
      filepathconvert \
      gd \
      getoptlong \