linux-kernel - Re: [PATCH 2/3] kbuild: deb-pkg: hard-code Build-Depends

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Date: Fri, 22 Dec 2023 15:26:39 +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 2/3] kbuild: deb-pkg: hard-code Build-Depends

On Wed, Dec 20, 2023 at 03:19:56AM +0900, Masahiro Yamada wrote:
> The condition to require libelf-dev:native is stale because objtool is
> now enabled by CONFIG_OBJTOOL instead of CONFIG_UNWINDER_ORC. Not only
> objtool but also resolve_btfids requires libelf-dev:native; therefore,
> CONFIG_DEBUG_INFO_BTF should be checked as well.
> 
> Similarly, CONFIG_SYSTEM_TRUSTED_KEYRING is not the only case that
> requires libssl-dev:native.
> 
> Perhaps, the following code would provide better coverage, but it is
> hard to maintain (and may still be imperfect).
> 
>   if is_enabled CONFIG_OBJTOOL || is_enabled CONFIG_DEBUG_INFO_BTF; then
>           build_depends="${build_depends}, libelf-dev:native"
>   fi
> 
>   if is_enabled CONFIG_SYSTEM_TRUSTED_KEYRING ||
>      is_enabled CONFIG_SYSTEM_REVOCATION_LIST ||
>      is_enabled CONFIG_MODULE_SIG_FORMAT; then
>           build_depends="${build_depends}, libssl-dev:native"
>   fi
> 
> Let's hard-code the build dependency.
> 
> Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
> ---

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