[PATCH V2 2/2] scripts/kconfig/Makefile: add kselftest-mergeconfig

From: Bamvor Jian Zhang
Date: Tue Nov 17 2015 - 09:34:48 EST


Add kselftest-mergeconfig to enable the dependencies of kernel
config for all the kselftest testcases. User could call it after
create the kernel configuration(.config), eg:

$ make kselftest-mergeconfig

Signed-off-by: Bamvor Jian Zhang <bamvor.zhangjian@xxxxxxxxxx>
---
scripts/kconfig/Makefile | 9 +++++++++
1 file changed, 9 insertions(+)

diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index d79cba4..5896092 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -126,6 +126,14 @@ PHONY += tinyconfig
tinyconfig:
$(Q)$(MAKE) -f $(srctree)/Makefile allnoconfig tiny.config

+PHONY += kselftest-mergeconfig
+kselftest-mergeconfig: $(obj)/conf
+ $(if $(wildcard $(srctree)/.config),, $(error No .config exists, config your kernel first!))
+ $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
+ -m -O $(objtree) $(srctree)/.config \
+ $(srctree)/tools/testing/selftests/*/config
+ +$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
+
# Help text used by make help
help:
@echo ' config - Update current config utilising a line-oriented program'
@@ -151,6 +159,7 @@ help:
@echo ' kvmconfig - Enable additional options for kvm guest kernel support'
@echo ' xenconfig - Enable additional options for xen dom0 and guest kernel support'
@echo ' tinyconfig - Configure the tiniest possible kernel'
+ @echo ' kselftest-mergeconfig - Merge all the config dependencies of kselftest to .config'

# lxdialog stuff
check-lxdialog := $(srctree)/$(src)/lxdialog/check-lxdialog.sh
--
1.8.4.5

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