39 lines
1.2 KiB
Diff
39 lines
1.2 KiB
Diff
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From: Andreas Gruenbacher <agruen@suse.de>
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Subject: Add ``cloneconfig'' target
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Patch-mainline: not yet
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Cloneconfig takes the first configuration it finds which appears
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to belong to the running kernel, and configures the kernel sources
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to match this configuration as closely as possible.
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Signed-off-by: Andreas Gruenbacher <agruen@suse.de>
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scripts/kconfig/Makefile | 16 ++++++++++++++++
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1 file changed, 16 insertions(+)
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--- a/scripts/kconfig/Makefile
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+++ b/scripts/kconfig/Makefile
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@@ -106,6 +106,22 @@ allnoconfig: $(obj)/conf
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allmodconfig: $(obj)/conf
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$< -m $(Kconfig)
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+UNAME_RELEASE := $(shell uname -r)
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+CLONECONFIG := $(firstword $(wildcard /proc/config.gz \
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+ /lib/modules/$(UNAME_RELEASE)/.config \
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+ /etc/kernel-config \
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+ /boot/config-$(UNAME_RELEASE)))
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+cloneconfig: $(obj)/conf
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+ $(Q)case "$(CLONECONFIG)" in \
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+ '') echo -e "The configuration of the running" \
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+ "kernel could not be determined\n"; \
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+ false ;; \
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+ *.gz) gzip -cd $(CLONECONFIG) > .config.running ;; \
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+ *) cat $(CLONECONFIG) > .config.running ;; \
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+ esac && \
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+ echo -e "Cloning configuration file $(CLONECONFIG)\n"
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+ $(Q)$< -D .config.running arch/$(SRCARCH)/Kconfig
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+
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defconfig: $(obj)/conf
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ifeq ($(KBUILD_DEFCONFIG),)
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$< -d $(Kconfig)
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