Re: [PATCH 2/5] kbuild: print short log in addition to the whole command with V=1

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On Fri 23 Dec 2022 01:25:32 GMT, Masahiro Yamada wrote:
> "make V=1" prints the whole command instead of the short log, but I
> think it is nicer to print both so that you can easily spot the build
> rule of your interest.
> 
> This commit changes V=1 to print the short log (the line starts with
> '#'), followed by the full log.
> 
> In parallel builds, the short/full logs from the same build rule may
> be interspersed. To avoid it, please add -Otarget along with the -j<N>
> option. Kbuild will never set -Otarget by default because Make would
> buffer the logs and lose the escape sequences. (Modern compilers print
> warnings and errors in color, but only when they write to a terminal.)
> 
> This is also a preparation for supporting V=12 because V=2 appends the
> reason for rebuilding to the short log.
> 
> Signed-off-by: Masahiro Yamada <masahiroy@xxxxxxxxxx>
> ---
> 
>  Makefile               | 18 +++++++-----------
>  scripts/Kbuild.include | 26 +++++++++++++-------------
>  2 files changed, 20 insertions(+), 24 deletions(-)

I think this is really helpful,  thanks!

Tested-by: Nicolas Schier <nicolas@xxxxxxxxx>
Reviewed-by: Nicolas Schier <nicolas@xxxxxxxxx>

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