linux-kernel - RE: how can we test the hexagon port in mainline

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Message-ID: <08df01d7683d$8f5b7b70$ae127250$@codeaurora.org>
Date:   Wed, 23 Jun 2021 09:39:21 -0500
From:   "Brian Cain" <bcain@...eaurora.org>
To:     "'Christoph Hellwig'" <hch@....de>,
        "'Arnd Bergmann'" <arnd@...db.de>
Cc:     "'Linus Torvalds'" <torvalds@...ux-foundation.org>,
        "'Sid Manning'" <sidneym@...eaurora.org>,
        <linux-hexagon@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: RE: how can we test the hexagon port in mainline

> -----Original Message-----
> From: Christoph Hellwig <hch@....de>
...
> 
> Hi all,
> 
> the oldest supported gcc version in mainline is gcc 4.9.  But the only
> hexagon crosscompiler I can find is the one Arnds website points to here:
> 
> https://mirrors.edge.kernel.org/pub/tools/crosstool/
> 
> which is a non-upstream gcc 4.6.1 port.  How are we supposed to even
> build test hexagon code?

We have provided a clang-12-based toolchain here:

https://codelinaro.jfrog.io/artifactory/codelinaro-qemu/2021-05-12/clang+llv
m-12.0.0-cross-hexagon-unknown-linux-musl.tar.xz

Could we update https://mirrors.edge.kernel.org/pub/tools/crosstool/ to
point here?

-Brian