Re: [PATCH] kbuild: hide error checker logs for V=1 builds

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On Mon, 26 Sep 2022 14:44:46 -0700 Nick Desaulniers wrote:
> On Sat, Sep 24, 2022 at 1:25 AM Masahiro Yamada 
> <masahiroy@xxxxxxxxxx> wrote:
> >
> > V=1 (verbose build) shows commands executed by Make, but it may cause
> > misunderstanding.
> >
> > For example, the following command shows the outstanding error message.
> >
> >   $ make V=1 INSTALL_PATH=/tmp install
> >   test -e include/generated/autoconf.h -a -e include/config/auto.conf || (                \
> >   echo >&2;                                                       \
> >   echo >&2 "  ERROR: Kernel configuration is invalid.";           \
> >   echo >&2 "         include/generated/autoconf.h or include/config/auto.conf are missing.";\
> >   echo >&2 "         Run 'make oldconfig && make prepare' on kernel src to fix it.";      \
> >   echo >&2 ;                                                      \
> >   /bin/false)
> >     unset sub_make_done; ./scripts/install.sh
> >
> > It is not an error. Make just showed the recipe lines it has executed,
> > but people may think that 'make install' has failed.
> >
> > Likewise, the combination of V=1 and O= shows confusing
> > "*** The source tree is not clean, please run 'make mrproper'".
> >
> > Suppress such misleading logs.
> >
> > Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> 
> Reviewed-by: Nick Desaulniers <ndesaulniers@xxxxxxxxxx>

oh yes, thanks for that patch!

Reviewed-by: Nicolas Schier <nicolas@xxxxxxxxx>

> > ---
> >
> >  Makefile | 4 ++--
> >  1 file changed, 2 insertions(+), 2 deletions(-)
> >
> > diff --git a/Makefile b/Makefile
> > index a5e9d9388649..833052fcf48a 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -583,7 +583,7 @@ quiet_cmd_makefile = GEN     Makefile
> >         } > Makefile
> >
> >  outputmakefile:
> > -       $(Q)if [ -f $(srctree)/.config -o \
> > +       @if [ -f $(srctree)/.config -o \
> >                  -d $(srctree)/include/config -o \
> >                  -d $(srctree)/arch/$(SRCARCH)/include/generated ]; then \
> >                 echo >&2 "***"; \
> > @@ -739,7 +739,7 @@ else # !may-sync-config
> >  PHONY += include/config/auto.conf
> >
> >  include/config/auto.conf:
> > -       $(Q)test -e include/generated/autoconf.h -a -e $@ || (          \
> > +       @test -e include/generated/autoconf.h -a -e $@ || (             \
> >         echo >&2;                                                       \
> >         echo >&2 "  ERROR: Kernel configuration is invalid.";           \
> >         echo >&2 "         include/generated/autoconf.h or $@ are missing.";\
> > --
> > 2.34.1
> >
> 
> 
> -- 
> Thanks,
> ~Nick Desaulniers

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