diff --git a/llvm/lib/CodeGen/Makefile b/llvm/lib/CodeGen/Makefile
index b0fba9d6567b..90124a2375f8 100644
--- a/llvm/lib/CodeGen/Makefile
+++ b/llvm/lib/CodeGen/Makefile
@@ -1,4 +1,4 @@
 LEVEL = ../..
-DIRS  = InstrSelection InstrSched
+DIRS  = InstrSelection InstrSched RegAlloc
 
 include $(LEVEL)/Makefile.common