Add a missing dependency to try to fix a buildbot failure.

It complained with:

llvm[5]: Building Clang arm_neon.h.inc with tblgen
cp: cannot create regular file `/build/buildbot-llvm/clang-x86_64-linux-selfhost-rel/llvm.obj.2/Release/lib/clang/2.0/include/arm_neon.h': No such file or directory

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@106922 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/Headers/Makefile b/lib/Headers/Makefile
index 45c77097fdc0daf1368f3cd13925a202828adb64..ebb83843cacdc3360fc66ca6d9f5ce19acc6862e 100644 (file)
--- a/lib/Headers/Makefile
+++ b/lib/Headers/Makefile
@@ -28,7 +28,7 @@ $(OBJHEADERS): $(HeaderDir)/%.h: $(PROJ_SRC_DIR)/%.h $(HeaderDir)/.dir $(HeaderD
        $(Verb) cp $< $@
        $(Echo) Copying $(notdir $<) to build dir
 
-$(HeaderDir)/arm_neon.h: $(BUILT_SOURCES)
+$(HeaderDir)/arm_neon.h: $(BUILT_SOURCES) $(HeaderDir)/.dir
        $(Verb) cp $< $@
        $(Echo) Copying $(notdir $<) to build dir