Re: [PATCH v4 00/11] kbuild/kconfig: do not update config during installation

From: Masahiro Yamada
Date: Wed Jul 25 2018 - 10:41:11 EST


2018-07-20 16:46 GMT+09:00 Masahiro Yamada <yamada.masahiro@xxxxxxxxxxxxx>:
>
> The main motivation of this patch series is to suppress the syncconfig
> during running installation targets.
>
> V1 consisted of only two patches:
> https://patchwork.kernel.org/patch/10468105/
> https://patchwork.kernel.org/patch/10468103/
>
> I noticed that installation targets would continue running
> even if the source tree is not configured at all
> because the inclusion of include/config/auto.conf was optional.
>
> So, I added one more patch in V2:
> https://patchwork.kernel.org/patch/10483637/
>
> However, kbuild test robot reported a new warning message was displayed:
>
> Makefile:592: include/config/auto.conf: No such file or directory
>
> This warning is displayed only for Make 4.1 or older.
>
> To fix this annoying warning, I changed Kconfig too,
> which leaded to more clean-up, improvements in Kconfig.
>
> So, V3 became a big patch series.
>
> Only a few changes for V4.
> - I dropped the last patch in v3.
> - I am keeping include/config/auto.conf as the prerequisite of modules.builtin (11/11)


Applied to linux-kbuild/kconfig.


>
> Masahiro Yamada (11):
> kconfig: rename file_write_dep and move it to confdata.c
> kconfig: split out useful helpers in confdata.c
> kconfig: remove unneeded directory generation from local*config
> kconfig: create directories needed for syncconfig by itself
> kconfig: make syncconfig update .config regardless of sym_change_count
> kconfig: allow all config targets to write auto.conf if missing
> kbuild: use 'include' directive to load auto.conf from top Makefile
> kbuild: add .DELETE_ON_ERROR special target
> kbuild: do not update config when running install targets
> kbuild: do not update config for 'make kernelrelease'
> kbuild: remove auto.conf from prerequisite of phony targets
>
> Makefile | 44 +++++++++------
> scripts/Kbuild.include | 3 +
> scripts/kconfig/Makefile | 16 ++----
> scripts/kconfig/conf.c | 39 +++++++------
> scripts/kconfig/confdata.c | 135 +++++++++++++++++++++++++++++++++++++-------
> scripts/kconfig/gconf.c | 1 +
> scripts/kconfig/lkc.h | 1 -
> scripts/kconfig/lkc_proto.h | 2 +-
> scripts/kconfig/mconf.c | 1 +
> scripts/kconfig/nconf.c | 1 +
> scripts/kconfig/qconf.cc | 2 +
> scripts/kconfig/util.c | 30 ----------
> 12 files changed, 177 insertions(+), 98 deletions(-)
>
> --
> 2.7.4
>
> --
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--
Best Regards
Masahiro Yamada