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Subject[PATCH v2] kconfig: add KCONFIG_ALLCONFIG support for tinyconfig
Date
Since f8f0d06438e5, tinyconfig overrides KCONFIG_ALLCONFIG to include
kernel/configs/tiny-base.config. However, this ignores user's preset if
defined.

This modification checks if the user has set KCONFIG_ALLCONFIG and if so,
concatenates it with kernel/configs/tiny-base.config to be used as preset
config symbols.

Changes in v2:
- Remove `<(echo)` in the cat command as it is not portable
- Add $(srctree) in presets' path to make it compatible with O=<dir>

Signed-off-by: Randrianaina Georges Aaron <georges-aaron.randrianaina@irisa.fr>
---
scripts/kconfig/Makefile | 6 ++++++
1 file changed, 6 insertions(+)

diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index b8ef0fb4bbef..58a677db9a73 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -102,7 +102,13 @@ configfiles=$(wildcard $(srctree)/kernel/configs/$@ $(srctree)/arch/$(SRCARCH)/c

PHONY += tinyconfig
tinyconfig:
+ifeq ($(KCONFIG_ALLCONFIG),)
$(Q)KCONFIG_ALLCONFIG=kernel/configs/tiny-base.config $(MAKE) -f $(srctree)/Makefile allnoconfig
+else
+ $(Q)cat $(srctree)/$(KCONFIG_ALLCONFIG) $(srctree)/kernel/configs/tiny-base.config > $(srctree)/.tmp.config
+ $(Q)KCONFIG_ALLCONFIG=$(srctree)/.tmp.config $(MAKE) -f $(srctree)/Makefile allnoconfig
+ $(Q)rm -f $(srctree)/.tmp.config
+endif
$(Q)$(MAKE) -f $(srctree)/Makefile tiny.config

# CHECK: -o cache_dir=<path> working?
--
2.34.1
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