linux-kernel - Re: [PATCH 4/4] kbuild: cross-compile linux-headers package when possible

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <CAK7LNAQcV2v9ooOYhkj-Kqx9RACZ==GO9z2cepL5Jx_gxJWXKQ@mail.gmail.com>
Date: Thu, 1 Aug 2024 11:26:50 +0900
From: Masahiro Yamada <masahiroy@...nel.org>
To: Kees Cook <kees@...nel.org>
Cc: linux-kbuild@...r.kernel.org, linux-kernel@...r.kernel.org, 
	Nathan Chancellor <nathan@...nel.org>, Nicolas Schier <nicolas@...sle.eu>, 
	Ben Hutchings <ben@...adent.org.uk>
Subject: Re: [PATCH 4/4] kbuild: cross-compile linux-headers package when possible

On Tue, Jul 30, 2024 at 10:03 AM Kees Cook <kees@...nel.org> wrote:
>
> On Sat, Jul 27, 2024 at 04:42:04PM +0900, Masahiro Yamada wrote:
> > There are known limitations:
> >
> >  - GCC plugins
> >
> >    It would possible to rebuild GCC plugins for the target architecture
> >    by passing HOSTCXX=${CROSS_COMPILE}g++ with necessary packages
> >    installed, but gcc on the installed system emits
> >    "cc1: error: incompatible gcc/plugin versions". I did not find a
> >    solution for this because 'gcc' on a foreign architecture is a
> >    different compiler after all.
>
> Do you mean having a plugins as part of a distro package? Does anyone do
> this?


I think the use of GCC plugins is not so common in distributions,
presumably due to its strong limitation.

In my quick research,
Debian, Ubuntu, Fedora disable CONFIG_GCC_PLUGINS.
Arch Linux enables CONFIG_GCC_PLUGINS.







> --
> Kees Cook
>


-- 
Best Regards
Masahiro Yamada