linux-kernel - Re: [PATCH v2 5/7] selftests/nolibc: customize CROSS

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Date:   Sun, 13 Aug 2023 18:18:05 +0800
From:   Zhangjin Wu <falcon@...ylab.org>
To:     w@....eu
Cc:     falcon@...ylab.org, linux-kernel@...r.kernel.org,
        linux-kselftest@...r.kernel.org, tanyuan@...ylab.org,
        thomas@...ch.de
Subject: Re: [PATCH v2 5/7] selftests/nolibc: customize CROSS_COMPILE for all architectures

> On Sat, Aug 12, 2023 at 04:32:41AM +0800, Zhangjin Wu wrote:
> > +CROSS_COMPILE_i386      ?= x86_64-linux-
> > +CROSS_COMPILE_x86_64    ?= x86_64-linux-
> > +CROSS_COMPILE_x86       ?= x86_64-linux-
> > +CROSS_COMPILE_arm64     ?= aarch64-linux-
> > +CROSS_COMPILE_arm       ?= arm-linux-gnueabi-
> > +CROSS_COMPILE_mips      ?= mips64-linux-
> 
> Given that we don't support mips64, I'd suggest to ust mips-linux-
> instead here for now. That doesn't seem right to ask users to
> download a toolchain for a different architecture than the one
> supported just because we can adapt to it.
>

Agree very much, and the one below from patch 7/7 [1]:

    +CROSS_COMPILE_arm64     ?= aarch64-linux- aarch64-linux-gnu-
    +CROSS_COMPILE_arm       ?= arm-linux-gnueabi- arm-none-eabi-
    +CROSS_COMPILE_mips      ?= mips64-linux- mips64el-linux-gnuabi64-

It should be:

    +CROSS_COMPILE_mips      ?= mips-linux- mips-linux-gnu-gcc

And if necessary, the mips64-linux- line in the commit message of [1] should be
corrected too.

Thanks very much!

Best regards,
Zhangjin
[1]: https://lore.kernel.org/lkml/b06de47989e3138de3d178da0d705ad6560924ec.1691783604.git.falcon@tinylab.org/

> Willy