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Commit 0d0e7718 authored by Michal Marek's avatar Michal Marek
Browse files

kbuild: Do not overwrite include/config/kernel.release needlessly 



Use filechk to detect if the content changed or not.

Signed-off-by: default avatarMichal Marek <mmarek@suse.cz>
parent 4f9879f6

Makefile

+5 −2
Original line number Diff line number Diff line
@@ -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