$FreeBSD$

--- Makefile.orig
+++ Makefile
@@ -24,7 +24,7 @@
   OPTIONAL_DIRS :=
 else
   DIRS := lib/System lib/Support utils lib/VMCore lib tools/llvm-config \
-          tools runtime docs
+          tools runtime %%DOCSRCDIR%%
   OPTIONAL_DIRS := examples projects bindings
 endif