linux-kernel - [PATCH] KBUILD: Create the source symlink earlier in the objdir

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Date:	Sat, 10 Jan 2009 04:56:13 +0100
From:	Andi Kleen <andi@...stfloor.org>
To:	sam@...nborg.org, linux-kbuild@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: [PATCH] KBUILD: Create the source symlink earlier in the objdir

KBUILD: Create the source symlink earlier in the objdir

It's useful to already have the source symlink in a 
objdir when one just runs make *config. Then one
can do 

mkdir obj-allyes
cd obj-allyes
make -C ../sourcedir O=$(pwd) allyesconfig
./source/scripts/config --disable debug_info
make CC=icecc -j18

without having to interrupt the make first just to
get the source symlink.

Signed-off-by: Andi Kleen <ak@...ux.intel.com>

---
 Makefile |    1 +
 1 file changed, 1 insertion(+)


Index: linux-2.6.28-kbuild/Makefile
===================================================================
--- linux-2.6.28-kbuild.orig/Makefile	2009-01-07 22:16:49.000000000 +0100
+++ linux-2.6.28-kbuild/Makefile	2009-01-10 04:50:53.000000000 +0100
@@ -383,6 +383,7 @@
 # output directory.
 outputmakefile:
 ifneq ($(KBUILD_SRC),)
+	@ln -fsn $(srctree) $(objtree)/source
 	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/mkmakefile \
 	    $(srctree) $(objtree) $(VERSION) $(PATCHLEVEL)
 endif
--
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