Don't attempt to update LLVM configured header files from a build in a
project. Thanks to Chris for pointing out this deficiency.
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@23037 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/Makefile.rules b/Makefile.rules
index 61e6832..9bc8d5b 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -144,10 +144,15 @@
$(ConfigStatusScript) --recheck $(ConfigureScriptFLAGS) && \
$(ConfigStatusScript)
+#------------------------------------------------------------------------
+# If we're buildilng LLVM, then make sure the generated headers are Up2Dt
+#------------------------------------------------------------------------
+ifeq ($(LLVM_OBJ_ROOT),$(PROJ_OBJ_ROOT))
.PRECIOUS: $(FilesToConfigPATH)
$(FilesToConfigPATH) : $(LLVM_OBJ_ROOT)/% : $(LLVM_SRC_ROOT)/%.in
$(Echo) Regenerating $*
$(Verb) cd $(LLVM_OBJ_ROOT) && $(ConfigStatusScript) $*
+endif
#------------------------------------------------------------------------
# Make sure the configuration makefile is up to date