linux-kernel - [PATCH v3 07/12] selftests/nolibc: add menuconfig and mrproper for development

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Date:   Fri, 28 Jul 2023 04:29:24 +0800
From:   Zhangjin Wu <falcon@...ylab.org>
To:     thomas@...ch.de, w@....eu
Cc:     falcon@...ylab.org, arnd@...db.de, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org
Subject: [PATCH v3 07/12] selftests/nolibc: add menuconfig and mrproper for development

menuconfig and mrproper are frequently used operations during a new
architecture porting, testing or debugging.

menuconfig is required to tune and test extra kernel config options for
tinyconfig.

mrproper is required to get a clean srctree while want to start a new
building with O= option, the old generated files in srctree must be
mrproper-ed.

differ from local nolibc targets, the menuconfig and mrproper targets
from top-level Makefile accept different ARCH variable and require extra
'-C /path/to/srctree', which make development not consistent and
therefore very painful, let's add local menuconfig and mrproper targets
too.

To reduce duplicated entries, menuconfig and mrproper are added
together.

Signed-off-by: Zhangjin Wu <falcon@...ylab.org>
---
 tools/testing/selftests/nolibc/Makefile | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/testing/selftests/nolibc/Makefile b/tools/testing/selftests/nolibc/Makefile
index 6385915d16c9..a214745e0f3e 100644
--- a/tools/testing/selftests/nolibc/Makefile
+++ b/tools/testing/selftests/nolibc/Makefile
@@ -215,6 +215,9 @@ defconfig:
 	$(Q)$(srctree)/scripts/kconfig/merge_config.sh -O "$(objtree)" -m "$(KERNEL_CONFIG)" $(foreach c,$(EXTCONFIG),$(wildcard $(CURDIR)/configs/$c))
 	$(Q)$(MAKE_KERNEL) KCONFIG_ALLCONFIG="$(KERNEL_CONFIG)" allnoconfig

+menuconfig mrproper:
+	$(Q)$(MAKE_KERNEL) $@
+
 PHONY += $(KERNEL_CONFIG)
 $(KERNEL_CONFIG):
 	$(Q)if [ ! -f "$(KERNEL_CONFIG)" ]; then $(MAKE) --no-print-directory defconfig; fi
-- 
2.25.1