[llvm-commits] [PATCH] Ignore missing OPTIONAL_DIRS for in tree builds.

[Stephen Wilson]

Do not try to descend into optional build directories if they do not
exist.  This makes the build logic symmetric for both the in tree and
out of tree cases.


Index: Makefile.rules
===================================================================
--- Makefile.rules	(revision 125955)
+++ Makefile.rules	(working copy)
@@ -840,7 +840,9 @@
 else
 $(RecursiveTargets)::
 	$(Verb) for dir in $(OPTIONAL_DIRS); do \
-	  ($(MAKE) -C$$dir $@ ) || exit 1; \
+	  if [ -d $(PROJ_SRC_DIR)/$$dir ]; then\
+	    ($(MAKE) -C$$dir $@ ) || exit 1; \
+	  fi \
 	done
 endif
 endif