linux-kernel - [Patch] makefile: not need to regenerate kernel.release file when make kernelrelease

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Date:	Fri, 20 Aug 2010 05:36:06 -0400
From:	Amerigo Wang <amwang@...hat.com>
To:	linux-kernel@...r.kernel.org
Cc:	Brice Goglin <Brice.Goglin@...ia.fr>, akpm@...ux-foundation.org,
	linux-kbuild@...r.kernel.org, Amerigo Wang <amwang@...hat.com>,
	Michal Marek <mmarek@...e.cz>
Subject: [Patch] makefile: not need to regenerate kernel.release file when make kernelrelease


Brice reported that 'kernelrelease' has a dependence on include/config/kernel.release,
causes this file to be regenerated every time when invoke it. It doesn't have to.

Reported-by: Brice Goglin <Brice.Goglin@...ia.fr>
Tested-by: Brice Goglin <Brice.Goglin@...ia.fr>
Signed-off-by: WANG Cong <amwang@...hat.com>

---
diff --git a/Makefile b/Makefile
index f3bdff8..25da252 100644
--- a/Makefile
+++ b/Makefile
@@ -1408,8 +1408,8 @@ checkstack:
 	$(OBJDUMP) -d vmlinux $$(find . -name '*.ko') | \
 	$(PERL) $(src)/scripts/checkstack.pl $(CHECKSTACK_ARCH)
 
-kernelrelease: include/config/kernel.release
-	@echo $(KERNELRELEASE)
+kernelrelease:
+	@echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))"
 
 kernelversion:
 	@echo $(KERNELVERSION)
--
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