--- Makefile.orig	2010-02-25 07:34:33.000000000 +0100
+++ Makefile	2010-04-27 11:16:37.007130964 +0200
@@ -31,7 +31,7 @@
   OPTIONAL_DIRS :=
 else
   DIRS := lib/System lib/Support utils lib/VMCore lib tools/llvm-shlib \
-          tools/llvm-config tools runtime docs unittests
+          tools/llvm-config tools runtime %%DOCSRCDIR%% unittests
   OPTIONAL_DIRS := projects bindings
 endif