linamh/sys-kernel/geos_one-sources/files/cloneconfig.diff

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From: Andreas Gruenbacher <agruen@suse.de>
Subject: 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@suse.de>
scripts/kconfig/Makefile | 16 ++++++++++++++++
1 file changed, 16 insertions(+)
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -65,6 +65,22 @@ allnoconfig: $(obj)/conf
allmodconfig: $(obj)/conf
$< -m $(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
+
defconfig: $(obj)/conf
ifeq ($(KBUILD_DEFCONFIG),)
$< -d $(Kconfig)