linux-kernel - Re: [PATCH 2/6] kbuild: deb-pkg: squash scripts/package/deb-build-option to debian/rules

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Date: Wed, 27 Dec 2023 08:56:33 +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 2/6] kbuild: deb-pkg: squash
 scripts/package/deb-build-option to debian/rules

On Tue, Dec 26, 2023 at 10:52:39PM +0900, Masahiro Yamada wrote:
> The binary-arch target needs to use the same CROSS_COMPILE as used in
> build-arch; otherwise, 'make run-command' may attempt to resync the
> .config file.
> 
> Squash scripts/package/deb-build-option into debian/rules, as it is a
> small amount of code.
> 
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> ---

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


> 
>  scripts/package/deb-build-option | 14 --------------
>  scripts/package/debian/rules     |  5 +++--
>  2 files changed, 3 insertions(+), 16 deletions(-)
>  delete mode 100755 scripts/package/deb-build-option
> 
> diff --git a/scripts/package/deb-build-option b/scripts/package/deb-build-option
> deleted file mode 100755
> index 7950eff01781..000000000000
> --- a/scripts/package/deb-build-option
> +++ /dev/null
> @@ -1,14 +0,0 @@
> -#!/bin/sh
> -# SPDX-License-Identifier: GPL-2.0-only
> -
> -# Set up CROSS_COMPILE if not defined yet
> -if [ "${CROSS_COMPILE+set}" != "set" -a "${DEB_HOST_ARCH}" != "${DEB_BUILD_ARCH}" ]; then
> -	echo CROSS_COMPILE=${DEB_HOST_GNU_TYPE}-
> -fi
> -
> -version=$(dpkg-parsechangelog -S Version)
> -debian_revision="${version##*-}"
> -
> -if [ "${version}" != "${debian_revision}" ]; then
> -	echo KBUILD_BUILD_VERSION=${debian_revision}
> -fi
> diff --git a/scripts/package/debian/rules b/scripts/package/debian/rules
> index 26bc6239e200..529b71b55efa 100755
> --- a/scripts/package/debian/rules
> +++ b/scripts/package/debian/rules
> @@ -10,7 +10,9 @@ ifneq (,$(filter-out parallel=1,$(filter parallel=%,$(DEB_BUILD_OPTIONS))))
>      MAKEFLAGS += -j$(NUMJOBS)
>  endif
>  
> -make-opts = ARCH=$(ARCH) KERNELRELEASE=$(KERNELRELEASE)
> +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))
>  
>  .PHONY: binary binary-indep binary-arch
>  binary: binary-arch binary-indep
> @@ -24,7 +26,6 @@ build: build-arch build-indep
>  build-indep:
>  build-arch:
>  	$(MAKE) -f $(srctree)/Makefile $(make-opts) \
> -	$(shell $(srctree)/scripts/package/deb-build-option) \
>  	olddefconfig all
>  
>  .PHONY: clean
> -- 
> 2.40.1
>