1# SPDX-License-Identifier: GPL-2.0
 2# Configuration heplers
 3
 4cmd_merge_fragments = \
 5	$(srctree)/scripts/kconfig/merge_config.sh \
 6	$4 -m -O $(objtree) $(srctree)/arch/$(SRCARCH)/configs/$2 \
 7	$(foreach config,$3,$(srctree)/arch/$(SRCARCH)/configs/$(config).config)
 8
 9# Creates 'merged defconfigs'
10# ---------------------------------------------------------------------------
11# Usage:
12#   $(call merge_into_defconfig,base_config,config_fragment1 config_fragment2 ...)
13#
14# Input config fragments without '.config' suffix
15define merge_into_defconfig
16	$(call cmd,merge_fragments,$1,$2)
17	+$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
18endef
19
20
21# Creates 'merged defconfigs without warning about overrides'
22# ---------------------------------------------------------------------------
23# Usage:
24#   $(call merge_into_defconfig_override,base_config,config_fragment1 config_fragment2 ...)
25#
26# Input config fragments without '.config' suffix
27define merge_into_defconfig_override
28	$(call cmd,merge_fragments,$1,$2,-Q)
29	+$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
30endef