Received-SPF: pass (google.com: domain of linux-kernel-owner@vger.kernel.org designates 2620:137:e000::1:20 as permitted sender) client-ip=2620:137:e000::1:20;
Message-ID: <0357df64-54ad-06fd-031e-66350cb03d54@redhat.com>
Date:   Thu, 29 Dec 2022 03:08:10 -0500
MIME-Version: 1.0
User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:102.0) Gecko/20100101
 Thunderbird/102.5.0
Subject: Re: [PATCH] kbuild: rpm-pkg: add libelf-devel as alternative for
 BuildRequires
To:     Masahiro Yamada <masahiroy@kernel.org>,
        linux-kbuild@vger.kernel.org
Cc:     linux-kernel@vger.kernel.org,
        Alexander Gordeev <agordeev@linux.ibm.com>,
        Guoqing Jiang <guoqing.jiang@linux.dev>,
        Ivan Vecera <ivecera@redhat.com>,
        Nathan Chancellor <nathan@kernel.org>,
        Nick Desaulniers <ndesaulniers@google.com>,
        Nicolas Schier <nicolas@fjasle.eu>,
        =?UTF-8?B?w43DsWlnbyBIdWd1ZXQ=?= <ihuguet@redhat.com>
References: <20221228191014.659746-1-masahiroy@kernel.org>
Content-Language: en-US
From:   Jonathan Toppins <jtoppins@redhat.com>
In-Reply-To: <20221228191014.659746-1-masahiroy@kernel.org>
Content-Type: text/plain; charset=UTF-8; format=flowed
Content-Transfer-Encoding: 7bit
Precedence: bulk

On 12/28/22 14:10, Masahiro Yamada wrote:
> Guoqing Jiang reports that openSUSE cannot compile the kernel rpm due
> to "BuildRequires: elfutils-libelf-devel" added by commit 8818039f959b
> ("kbuild: add ability to make source rpm buildable using koji").
> The relevant package name in openSUSE is libelf-devel.
> 
> Add it an alternative package.
> 
> BTW, if it is impossible to solve the build requirement, the final
> resort would be:
> 
>      $ make RPMOPTS=--nodeps rpm-pkg
> 
> This passes --nodeps to the rpmbuild command so it will not verify
> build dependencies. This is useful to test rpm builds on non-rpm
> system. On Debian/Ubuntu, for example, you can install rpmbuild by
> 'apt-get install rpm'.
> 
> NOTE1:
>    Likewise, it is possible to bypass the build dependency check for
>    debian package builds:
> 
>      $ make DPKG_FLAGS=-d deb-pkg
> 
> NOTE2:
>    The 'or' operator is supported since RPM 4.13. So, old distros such
>    as CentOS 7 will break. I suggest installing newer rpmbuild in such
>    cases.
> 
> Link: https://lore.kernel.org/linux-kbuild/ee227d24-9c94-bfa3-166a-4ee6b5dfea09@linux.dev/T/#u
> Fixes: 8818039f959b ("kbuild: add ability to make source rpm buildable using koji")
> Reported-by: Guoqing Jiang <guoqing.jiang@linux.dev>
> Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>

Acked-by: Jonathan Toppins <jtoppins@redhat.com>