linux/scripts/Makefile.defconf
Mark Brown a63971257e
kbuild: Provide a version of merge_into_defconfig without override warnings
While warning on overridden Kconfig options is a good default for merging
config fragements sometimes that is our explicit intent and the warnings
are unhelpful, add a new merge_into_defconfig_override which does the merge
but with warnings suppressed.

Since merge_into_defconfig accepts any number of fragments it is difficult
to allow it to accept the flag.

Signed-off-by: Mark Brown <broonie@kernel.org>
Link: https://lore.kernel.org/r/20230203-arm64-defconfigs-v1-2-cd0694a05f13@kernel.org
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
2023-02-13 20:18:28 +01:00

30 lines
1.2 KiB
Makefile

# SPDX-License-Identifier: GPL-2.0
# Configuration heplers
# Creates 'merged defconfigs'
# ---------------------------------------------------------------------------
# Usage:
# $(call merge_into_defconfig,base_config,config_fragment1 config_fragment2 ...)
#
# Input config fragments without '.config' suffix
define merge_into_defconfig
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
-m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/$(1) \
$(foreach config,$(2),$(srctree)/arch/$(ARCH)/configs/$(config).config)
+$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
endef
# Creates 'merged defconfigs without warning about overrides'
# ---------------------------------------------------------------------------
# Usage:
# $(call merge_into_defconfig_override,base_config,config_fragment1 config_fragment2 ...)
#
# Input config fragments without '.config' suffix
define merge_into_defconfig_override
$(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
-Q -m -O $(objtree) $(srctree)/arch/$(ARCH)/configs/$(1) \
$(foreach config,$(2),$(srctree)/arch/$(ARCH)/configs/$(config).config)
+$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
endef