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util/kconfig: Uprev to Linux 6.6's kconfig

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Upstream reimplemented KCONFIG_STRICT, just calling it KCONFIG_WERROR.
Therefore, adapt our build system and documentation. Upstream is less
strict at this time, but there's a proposed patch that got imported.

TEST=`util/abuild/abuild -C` output (config.h and
config.build) remains the same. Also, the failure type fixed in
https://review.coreboot.org/c/coreboot/+/11272 can be detected,
which I tested by manually breaking our Kconfig in a similar way.

Change-Id: I322fb08a2f7308b93cff71a5dd4136f1a998773b
Signed-off-by: Patrick Georgi <patrick@coreboot.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/79259
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Martin L Roth <gaumless@gmail.com>
Reviewed-by: Felix Singer <service+coreboot-gerrit@felixsinger.de>
This commit is contained in:
Patrick Georgi
2023-11-20 19:49:29 +01:00
parent 47282a90de
commit 0eab62b9cf
25 changed files with 406 additions and 449 deletions
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15
util/kconfig/Makefile
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@@ -93,11 +93,13 @@ endif
%_defconfig: $(obj)/conf
$(Q)$< $(silent) --defconfig=arch/$(SRCARCH)/configs/$@ $(Kconfig)
configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/configs/$@)
configfiles = $(wildcard $(srctree)/kernel/configs/$(1) $(srctree)/arch/$(SRCARCH)/configs/$(1))
all-config-fragments = $(call configfiles,*.config)
config-fragments = $(call configfiles,$@)
%.config: $(obj)/conf
$(if $(call configfiles),, $(error No configuration exists for this target on this architecture))
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(configfiles)
$(if $(config-fragments),, $(error $@ fragment does not exists on this architecture))
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh -m .config $(config-fragments)
$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
PHONY += tinyconfig
@@ -115,6 +117,7 @@ clean-files += tests/.cache
# Help text used by make help
help:
@echo 'Configuration targets:'
@echo ' config - Update current config utilising a line-oriented program'
@echo ' nconfig - Update current config utilising a ncurses menu based program'
@echo ' menuconfig - Update current config utilising a menu based program'
@@ -141,6 +144,12 @@ help:
@echo ' default value without prompting'
@echo ' tinyconfig - Configure the tiniest possible kernel'
@echo ' testconfig - Run Kconfig unit tests (requires python3 and pytest)'
@echo ''
@echo 'Configuration topic targets:'
@$(foreach f, $(all-config-fragments), \
if help=$$(grep -m1 '^# Help: ' $(f)); then \
printf ' %-25s - %s\n' '$(notdir $(f))' "$${help#*: }"; \
fi;)
# ===========================================================================
# object files used by all kconfig flavours