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Message-ID: <4D671556.80607@suse.com>
Date: Thu, 24 Feb 2011 21:35:02 -0500
From: Jeff Mahoney <jeffm@...e.com>
To: Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Cc: Roman Zippel <zippel@...ux-m68k.org>, linux-kbuild@...r.kernel.org
Subject: [PATCH] Add ``cloneconfig'' target
Cloneconfig takes the first configuration it finds which appears
to belong to the running kernel, and configures the kernel sources
to match this configuration as closely as possible.
Signed-off-by: Andreas Gruenbacher <agruen@...e.de>
Signed-off-by: Jeff Mahoney <jeffm@...e.com>
---
scripts/kconfig/Makefile | 17 +++++++++++++++++
1 file changed, 17 insertions(+)
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -99,6 +99,23 @@ PHONY += allnoconfig allyesconfig allmod
allnoconfig allyesconfig allmodconfig alldefconfig randconfig: $(obj)/conf
$< --$@ $(Kconfig)
+
+UNAME_RELEASE := $(shell uname -r)
+CLONECONFIG := $(firstword $(wildcard /proc/config.gz \
+ /lib/modules/$(UNAME_RELEASE)/.config \
+ /etc/kernel-config \
+ /boot/config-$(UNAME_RELEASE)))
+cloneconfig: $(obj)/conf
+ $(Q)case "$(CLONECONFIG)" in \
+ '') echo -e "The configuration of the running" \
+ "kernel could not be determined\n"; \
+ false ;; \
+ *.gz) gzip -cd $(CLONECONFIG) > .config.running ;; \
+ *) cat $(CLONECONFIG) > .config.running ;; \
+ esac && \
+ echo -e "Cloning configuration file $(CLONECONFIG)\n"
+ $(Q)$< -D .config.running arch/$(SRCARCH)/Kconfig
+
PHONY += listnewconfig oldnoconfig savedefconfig defconfig
--
Jeff Mahoney
SUSE Labs
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