From 6057760793503f1c1e9387402f287a9f849fc57d Mon Sep 17 00:00:00 2001
From: John Criswell <criswell@uiuc.edu>
Date: Tue, 25 Nov 2003 17:49:22 +0000
Subject: Added a pseudo-hack: The Makefile now copies Makefiles from source
 tree to object tree if it is missing.  This means that new Makefiles should
 get picked up automagically, requiring less bothersome re-configuring after
 updates.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@10209 91177308-0d34-0410-b5e6-96231b3b80d8
---
 Makefile.rules | 14 ++++++++++++--
 1 file changed, 12 insertions(+), 2 deletions(-)

(limited to 'Makefile.rules')

diff --git a/Makefile.rules b/Makefile.rules
index a3b57e1110..380910818a 100644
--- a/Makefile.rules
+++ b/Makefile.rules
@@ -395,6 +395,11 @@ RObjectsG := $(addprefix $(BUILD_OBJ_DIR)/Debug/,$(RObjs))
 ifdef DIRS
 all install clean test bytecode ::
 	$(VERB) for dir in ${DIRS}; do \
+		$(MKDIR) $$dir; \
+		if [ ! -f $$dir/Makefile ]; \
+		then \
+			cp $(SourceDir)/$$dir/Makefile $$dir/Makefile; \
+		fi; \
 		($(MAKE) -C $$dir $@) || exit 1; \
 	done
 endif
@@ -408,15 +413,20 @@ test     :: $(addsuffix /.maketest    , $(PARALLEL_DIRS))
 bytecode :: $(addsuffix /.makebytecode, $(PARALLEL_DIRS))
 
 %/.makeall %/.makeinstall %/.makeclean %/.maketest %/.makebytecode:
-	$(VERB) $(MAKE) -C $(@D) $(subst $(@D)/.make,,$@)
+	$(VERB) $(MKDIR) $(@D); cp $(SourceDir)/$(@D)/Makefile $(@D); $(MAKE) -C $(@D) $(subst $(@D)/.make,,$@)
 endif
 
 # Handle directories that may or may not exist
 ifdef OPTIONAL_DIRS
 all install clean test bytecode ::
 	$(VERB) for dir in ${OPTIONAL_DIRS}; do \
-		if [ -d $$dir ]; \
+		if [ -d $(SourceDir)/$$dir ]; \
 		then\
+			$(MKDIR) $$dir; \
+			if [ ! -f $$dir/Makefile ]; \
+			then \
+				cp $(SourceDir)/$$dir/Makefile $$dir/Makefile; \
+			fi; \
 			($(MAKE) -C$$dir $@) || exit 1; \
 		fi \
 	done
-- 
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