linux-kernel - Re: [PATCH] kconfig: add build-only configurator targets

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Date:   Thu, 16 Aug 2018 12:27:44 +0900
From:   Masahiro Yamada <yamada.masahiro@...ionext.com>
To:     Randy Dunlap <rdunlap@...radead.org>
Cc:     linux-kbuild <linux-kbuild@...r.kernel.org>,
        LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] kconfig: add build-only configurator targets

2018-08-15 9:36 GMT+09:00 Randy Dunlap <rdunlap@...radead.org>:
> From: Randy Dunlap <rdunlap@...radead.org>
>
> Add build-only targets for build_menuconfig, build_nconfig,
> build_xconfig, and build_gconfig.
> (targets must end in "config" to qualify in top-level Makefile)
>
> This allows these target to be built without execution (e.g., to
> look for errors or warnings) and/or to be built and checked by sparse.
>
> Signed-off-by: Randy Dunlap <rdunlap@...radead.org>
> ---
>  scripts/kconfig/Makefile |    8 ++++++++
>  1 file changed, 8 insertions(+)
>
> --- linux-next-20180814.orig/scripts/kconfig/Makefile
> +++ linux-next-20180814/scripts/kconfig/Makefile
> @@ -33,6 +33,14 @@ config: $(obj)/conf
>  nconfig: $(obj)/nconf
>         $< $(silent) $(Kconfig)
>
> +build_menuconfig: $(obj)/mconf
> +
> +build_nconfig: $(obj)/nconf
> +
> +build_gconfig: $(obj)/gconf
> +
> +build_xconfig: $(obj)/qconf
> +
>  localyesconfig localmodconfig: $(obj)/conf
>         $(Q)perl $(srctree)/$(src)/streamline_config.pl --$@ $(srctree) $(Kconfig) > .tmp.config
>         $(Q)if [ -f .config ]; then                                     \
>


OK, seems useful,
but these should be phony targets.

May I squash the following change?


diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
index c0ca9ea..f7bdcc9 100644
--- a/scripts/kconfig/Makefile
+++ b/scripts/kconfig/Makefile
@@ -3,7 +3,8 @@
 # Kernel configuration targets
 # These targets are used from top-level makefile

-PHONY += xconfig gconfig menuconfig config localmodconfig localyesconfig
+PHONY += xconfig gconfig menuconfig config localmodconfig localyesconfig \
+       build_menuconfig build_nconfig build_gconfig build_xconfig

 ifdef KBUILD_KCONFIG
 Kconfig := $(KBUILD_KCONFIG)





-- 
Best Regards
Masahiro Yamada