linux-kernel - Re: [PATCH v2 1/4] kbuild: deb-pkg: show verbose log for direct package builds

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Message-ID: <Zae0NpsCckChoCzW@debian-BULLSEYE-live-builder-AMD64>
Date: Wed, 17 Jan 2024 12:04:22 +0100
From: Nicolas Schier <n.schier@....de>
To: Masahiro Yamada <masahiroy@...nel.org>
Cc: linux-kbuild@...r.kernel.org, Ben Hutchings <ben@...adent.org.uk>,
	Nathan Chancellor <nathan@...nel.org>,
	Nick Desaulniers <ndesaulniers@...gle.com>,
	Nicolas Schier <nicolas@...sle.eu>, linux-kernel@...r.kernel.org
Subject: Re: [PATCH v2 1/4] kbuild: deb-pkg: show verbose log for direct
 package builds

On Sat, Jan 13, 2024 at 07:43:36PM +0900, Masahiro Yamada wrote:
> When the Debian package build is initiated by Kbuild ('make deb-pkg'
> or 'make bindeb-pkg'), the log messages are displayed in the short
> form, which is the Kbuild default.
> 
> Otherwise, let's show verbose messages (unless the 'terse' tag is set
> in DEB_BUILD_OPTION), as suggested by Debian Policy: "The package build
> should be as verbose as reasonably possible, except where the terse tag
> is included in DEB_BUILD_OPTIONS." [1]
> 
> This is what the Debian kernel also does. [2]
> 
> [1]: https://www.debian.org/doc/debian-policy/ch-source.html#main-building-script-debian-rules
> [2]: https://salsa.debian.org/kernel-team/linux/-/blob/debian/6.7-1_exp1/debian/rules.real#L36
> 
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> ---
> 
> Changes in v2:
>   - New patch
> 
>  scripts/package/debian/rules | 8 ++++++++
>  1 file changed, 8 insertions(+)
> 
> diff --git a/scripts/package/debian/rules b/scripts/package/debian/rules
> index 098307780062..697fbfa7595f 100755
> --- a/scripts/package/debian/rules
> +++ b/scripts/package/debian/rules
> @@ -11,6 +11,14 @@ ifneq (,$(filter-out parallel=1,$(filter parallel=%,$(DEB_BUILD_OPTIONS))))
>      MAKEFLAGS += -j$(NUMJOBS)
>  endif
>  
> +# When KBUILD_VERBOSE is undefined (presumably you are directly working with
> +# the debianized tree), show verbose logs unless DEB_BUILD_OPTION=terse is set.
> +ifeq ($(origin KBUILD_VERBOSE),undefined)
> +    ifeq (,$(filter terse,$(DEB_BUILD_OPTIONS)))
> +        export KBUILD_VERBOSE := 1
> +    endif
> +endif
> +
>  revision = $(lastword $(subst -, ,$(shell dpkg-parsechangelog -S Version)))
>  CROSS_COMPILE ?= $(filter-out $(DEB_BUILD_GNU_TYPE)-, $(DEB_HOST_GNU_TYPE)-)
>  make-opts = ARCH=$(ARCH) KERNELRELEASE=$(KERNELRELEASE) KBUILD_BUILD_VERSION=$(revision) $(addprefix CROSS_COMPILE=,$(CROSS_COMPILE))
> -- 
> 2.40.1
> 

thanks!

Reviewed-by: Nicolas Schier <n.schier@....de>