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

Masahiro Yamada
2018-07-20T07:48:17Z

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)

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(-)

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2.7.4