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Subject[PATCH v4 2/2] Makefile: add kselftest-merge
Date
Add kselftest-merge to enable the dependencies of kernel config
for all the kselftest testcases. User should call it after create
the kernel configuration(.config), eg:

$ make kselftest-merge

Signed-off-by: Bamvor Jian Zhang <bamvor.zhangjian@linaro.org>
---
Makefile | 10 ++++++++++
1 file changed, 10 insertions(+)

diff --git a/Makefile b/Makefile
index cd40956..bfb9faa 100644
--- a/Makefile
+++ b/Makefile
@@ -1104,6 +1104,14 @@ kselftest:
kselftest-clean:
$(Q)$(MAKE) -C tools/testing/selftests clean

+PHONY += kselftest-merge
+kselftest-merge:
+ $(if $(wildcard $(objtree)/.config),, $(error No .config exists, config your kernel first!))
+ $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
+ -m $(objtree)/.config \
+ $(srctree)/tools/testing/selftests/*/config
+ +$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
+
# ---------------------------------------------------------------------------
# Modules

@@ -1312,6 +1320,8 @@ help:
@echo ' Build, install, and boot kernel before'
@echo ' running kselftest on it'
@echo ' kselftest-clean - Remove all generated kselftest files'
+ @echo ' kselftest-merge - Merge all the config dependencies of kselftest to existed'
+ @echo ' .config.'
@echo ''
@echo 'Kernel packaging:'
@$(MAKE) $(build)=$(package-dir) help
--
2.1.4
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