build/Make: Add missing dependency, LLVMBuild makefile fragment implicitly depends...

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@149642 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/Makefile.rules b/Makefile.rules
index 6ab6e959b4259c2decd23c89add16b2903ecc072..2d80c43dc86af3d66f9ad67f28fbf8021806a634 100644 (file)
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -94,7 +94,8 @@ endif
 #
 # We include a dependency on this Makefile to ensure that changes to the
 # generation command get picked up.
-$(LLVMBuildMakeFrag): $(PROJ_SRC_ROOT)/Makefile.rules
+$(LLVMBuildMakeFrag): $(PROJ_SRC_ROOT)/Makefile.rules \
+                     $(PROJ_OBJ_ROOT)/Makefile.config
        $(Echo) Constructing LLVMBuild project information.
        $(Verb) $(LLVMBuildTool) \
          --native-target "$(TARGET_NATIVE_ARCH)" \