linux-kernel - Re: [PATCH v2 2/2] kbuild: deb-pkg: split debian/rules

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Message-ID: <20230801165219.GB2472327@dev-arch.thelio-3990X>
Date:   Tue, 1 Aug 2023 09:52:19 -0700
From:   Nathan Chancellor <nathan@...nel.org>
To:     Masahiro Yamada <masahiroy@...nel.org>
Cc:     linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org,
        Ben Hutchings <ben@...adent.org.uk>,
        Nick Desaulniers <ndesaulniers@...gle.com>,
        Nicolas Schier <nicolas@...sle.eu>
Subject: Re: [PATCH v2 2/2] kbuild: deb-pkg: split debian/rules

On Tue, Aug 01, 2023 at 09:19:26PM +0900, Masahiro Yamada wrote:
> debian/rules is generated by shell, but the escape sequence (\$) is
> unreadable.
> 
> debian/rules embeds only two variables (ARCH and KERNELRELEASE).
> 
> Split them out to debian/rules.vars, and check-in the rest of Makefile
> code to scripts/package/debian/rules.
> 
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>

Tested-by: Nathan Chancellor <nathan@...nel.org>

> ---
> 
> Changes in v2:
>   - Change ${MAKE} to $(MAKE) for consistency
>   - Fix shellcheck warning
> 
>  scripts/package/debian/rules | 28 ++++++++++++++++++++++++++++
>  scripts/package/mkdebian     | 34 +++++-----------------------------
>  2 files changed, 33 insertions(+), 29 deletions(-)
>  create mode 100755 scripts/package/debian/rules
> 
> diff --git a/scripts/package/debian/rules b/scripts/package/debian/rules
> new file mode 100755
> index 000000000000..226e127efd63
> --- /dev/null
> +++ b/scripts/package/debian/rules
> @@ -0,0 +1,28 @@
> +#!/usr/bin/make -f
> +# SPDX-License-Identifier: GPL-2.0-only
> +
> +include debian/rules.vars
> +
> +srctree ?= .
> +
> +.PHONY: binary binary-indep binary-arch
> +binary: binary-arch binary-indep
> +binary-indep: build-indep
> +binary-arch: build-arch
> +	$(MAKE) -f $(srctree)/Makefile ARCH=$(ARCH) \
> +	KERNELRELEASE=$(KERNELRELEASE) \
> +	run-command KBUILD_RUN_COMMAND=+$(srctree)/scripts/package/builddeb
> +
> +.PHONY: build build-indep build-arch
> +build: build-arch build-indep
> +build-indep:
> +build-arch:
> +	$(MAKE) -f $(srctree)/Makefile ARCH=$(ARCH) \
> +	KERNELRELEASE=$(KERNELRELEASE) \
> +	$(shell $(srctree)/scripts/package/deb-build-option) \
> +	olddefconfig all
> +
> +.PHONY: clean
> +clean:
> +	rm -rf debian/files debian/linux-*
> +	$(MAKE) -f $(srctree)/Makefile ARCH=$(ARCH) clean
> diff --git a/scripts/package/mkdebian b/scripts/package/mkdebian
> index 2829f5b8aea6..5044224cf671 100755
> --- a/scripts/package/mkdebian
> +++ b/scripts/package/mkdebian
> @@ -263,35 +263,11 @@ Description: Linux kernel debugging symbols for $version
>  EOF
>  fi
>  
> -cat <<EOF > debian/rules
> -#!/usr/bin/make -f
> -
> -srctree ?= .
> -KERNELRELEASE = ${KERNELRELEASE}
> -
> -.PHONY: clean build build-arch build-indep binary binary-arch binary-indep
> -
> -build-indep:
> -build-arch:
> -	\$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} \
> -	KERNELRELEASE=\$(KERNELRELEASE) \
> -	\$(shell \$(srctree)/scripts/package/deb-build-option) \
> -	olddefconfig all
> -
> -build: build-arch
> -
> -binary-indep:
> -binary-arch: build-arch
> -	\$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} \
> -	KERNELRELEASE=\$(KERNELRELEASE) \
> -	run-command KBUILD_RUN_COMMAND=+\$(srctree)/scripts/package/builddeb
> -
> -clean:
> -	rm -rf debian/files debian/linux-*
> -	\$(MAKE) -f \$(srctree)/Makefile ARCH=${ARCH} clean
> -
> -binary: binary-arch
> +cat <<EOF > debian/rules.vars
> +ARCH := ${ARCH}
> +KERNELRELEASE := ${KERNELRELEASE}
>  EOF
> -chmod +x debian/rules
> +
> +cp "${srctree}/scripts/package/debian/rules" debian/
>  
>  exit 0
> -- 
> 2.39.2
>