Re: [PATCH] kbuild: suppress stdout from merge_config for silent builds

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On Mon, Dec 9, 2024 at 2:31 AM Nathan Chancellor <nathan@xxxxxxxxxx> wrote:
>
> On Sun, Dec 08, 2024 at 11:46:14PM +0900, Masahiro Yamada wrote:
> > merge_config does not respect the Make's -s (--silent) option.
> >
> > Let's sink the stdout from merge_config for silent builds.
> >
> > This commit does not cater to the direct invocation of merge_config.sh
> > (e.g. arch/mips/Makefile).
> >
> > Reported-by: Leon Romanovsky <leon@xxxxxxxxxx>
> > Closes: https://lore.kernel.org/all/e534ce33b0e1060eb85ece8429810f087b034c88.1733234008.git.leonro@xxxxxxxxxx/
> > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> > ---
> >
> >  scripts/Makefile.defconf | 13 +++++++------
> >  scripts/kconfig/Makefile |  4 +++-
> >  2 files changed, 10 insertions(+), 7 deletions(-)
> >
> > diff --git a/scripts/Makefile.defconf b/scripts/Makefile.defconf
> > index 226ea3df3b4b..97bc5161d6bf 100644
> > --- a/scripts/Makefile.defconf
> > +++ b/scripts/Makefile.defconf
> > @@ -1,6 +1,11 @@
> >  # SPDX-License-Identifier: GPL-2.0
> >  # Configuration heplers
> >
> > +cmd_merge_fragments = \
> > +     $(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
> > +     $4 -m -O $(objtree) $(srctree)/arch/$(SRCARCH)/configs/$2 \
> > +     $(foreach config,$3,$(srctree)/arch/$(SRCARCH)/configs/$(config).config)
> > +
> >  # Creates 'merged defconfigs'
> >  # ---------------------------------------------------------------------------
> >  # Usage:
> > @@ -8,9 +13,7 @@
> >  #
> >  # Input config fragments without '.config' suffix
> >  define merge_into_defconfig
> > -     $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
> > -             -m -O $(objtree) $(srctree)/arch/$(SRCARCH)/configs/$(1) \
> > -             $(foreach config,$(2),$(srctree)/arch/$(SRCARCH)/configs/$(config).config)
> > +     $(call cmd,merge_fragments,$1,$2)
> >       +$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
> >  endef
> >
> > @@ -22,8 +25,6 @@ endef
> >  #
> >  # Input config fragments without '.config' suffix
> >  define merge_into_defconfig_override
> > -     $(Q)$(CONFIG_SHELL) $(srctree)/scripts/kconfig/merge_config.sh \
> > -             -Q -m -O $(objtree) $(srctree)/arch/$(SRCARCH)/configs/$(1) \
> > -             $(foreach config,$(2),$(srctree)/arch/$(SRCARCH)/configs/$(config).config)
> > +     $(call cmd,merge_fragments,$1,$2,-Q)
> >       +$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
> >  endef
> > diff --git a/scripts/kconfig/Makefile b/scripts/kconfig/Makefile
> > index a0a0be38cbdc..fb50bd4f4103 100644
> > --- a/scripts/kconfig/Makefile
> > +++ b/scripts/kconfig/Makefile
> > @@ -105,9 +105,11 @@ configfiles = $(wildcard $(srctree)/kernel/configs/$(1) $(srctree)/arch/$(SRCARC
> >  all-config-fragments = $(call configfiles,*.config)
> >  config-fragments = $(call configfiles,$@)
> >
> > +cmd_merge_fragments = $(srctree)/scripts/kconfig/merge_config.sh -m $(KCONFIG_CONFIG) $(config-fragments)
>
> Did you mean to drop $(CONFIG_SHELL) here? I noticed you kept it in the
> other command.

For consistency, I will remove CONFIG_SHELL from both.
Thanks.



-- 
Best Regards
Masahiro Yamada





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