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Message-Id: <1377611624-11570-1-git-send-email-mmarek@suse.cz> Date: Tue, 27 Aug 2013 15:53:44 +0200 From: Michal Marek <mmarek@...e.cz> To: linux-kbuild@...r.kernel.org Cc: linux-kernel@...r.kernel.org Subject: [PATCH] kbuild: Do not overwrite include/config/kernel.release needlessly Use filechk to detect if the content changed or not. Signed-off-by: Michal Marek <mmarek@...e.cz> --- Makefile | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) diff --git a/Makefile b/Makefile index 4e3575c..3aa232f 100644 --- a/Makefile +++ b/Makefile @@ -794,10 +794,13 @@ PHONY += $(vmlinux-dirs) $(vmlinux-dirs): prepare scripts $(Q)$(MAKE) $(build)=$@ +define filechk_kernel.release + echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" +endef + # Store (new) KERNELRELEASE string in include/config/kernel.release include/config/kernel.release: include/config/auto.conf FORCE - $(Q)rm -f $@ - $(Q)echo "$(KERNELVERSION)$$($(CONFIG_SHELL) $(srctree)/scripts/setlocalversion $(srctree))" > $@ + $(call filechk,kernel.release) # Things we need to do before we recursively start building the kernel -- 1.8.1.4 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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