linux-kernel - Re: [RFC PATCH 00/25] Upstream kvx Linux port

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Date:   Mon, 9 Jan 2023 16:30:50 +0100
From:   Yann Sionneau <ysionneau@...ray.eu>
To:     Jeff Xie <xiehuan09@...il.com>
Cc:     Arnd Bergmann <arnd@...db.de>, Albert Ou <aou@...s.berkeley.edu>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andrew Morton <akpm@...ux-foundation.org>,
        "Aneesh Kumar K.V" <aneesh.kumar@...ux.ibm.com>,
        Ard Biesheuvel <ardb@...nel.org>,
        Arnaldo Carvalho de Melo <acme@...nel.org>,
        Boqun Feng <boqun.feng@...il.com>, bpf@...r.kernel.org,
        Christian Brauner <brauner@...nel.org>,
        devicetree@...r.kernel.org, Eric Biederman <ebiederm@...ssion.com>,
        Eric Paris <eparis@...hat.com>, Ingo Molnar <mingo@...hat.com>,
        Jan Kiszka <jan.kiszka@...mens.com>,
        Jason Baron <jbaron@...mai.com>, Jiri Olsa <jolsa@...nel.org>,
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        Vincent Chardon <vincent.chardon@...ys-design.com>
Subject: Re: [RFC PATCH 00/25] Upstream kvx Linux port

Hi Jeff,

On 1/9/23 16:11, Jeff Xie wrote:
> On Mon, Jan 9, 2023 at 9:21 PM Yann Sionneau <ysionneau@...ray.eu> wrote:
>> Hi Jeff,
>>
>> On 1/7/23 07:25, Jeff Xie wrote:
>>> Hi,
>>>
>>> On Wed, Jan 4, 2023 at 1:01 AM Yann Sionneau <ysionneau@...ray.eu> wrote:
>>>> [snip]
>>>>
>>>> A kvx toolchain can be built using:
>>>> # install dependencies: texinfo bison flex libgmp-dev libmpc-dev libmpfr-dev
>>>> $ git clone https://github.com/kalray/build-scripts
>>>> $ cd build-scripts
>>>> $ source last.refs
>>>> $ ./build-kvx-xgcc.sh output
>>> I would like to build the kvx-xgcc to compile and test the linux
>>> kernel, but it reported a compile error.
>>> I wonder what version of gcc you are using.
>>>
>>> My build environment:
>>> VERSION="20.04.2 LTS (Focal Fossa)"
>>> gcc version 9.3.0 (Ubuntu 9.3.0-17ubuntu1~20.04)
>>>
>>>
>>> Compile error:
>>> $ ./build-kvx-xgcc.sh output
>>>
>>> ../../binutils/libiberty/fibheap.c: In function ‘fibheap_replace_key_data’:
>>> ../../binutils/libiberty/fibheap.c:38:24: error: ‘LONG_MIN’ undeclared
>>> (first use in this function)
>>>      38 | #define FIBHEAPKEY_MIN LONG_MIN
>>>         |                        ^~~~~~~~
>>> [snip]
>> What SHA1 of https://github.com/kalray/build-scripts are you using?
> I have executed the "source last.refs"

I was referring to the SHA1 of the repo itself (build-scripts).

`last.refs` is a symbolic link which can point to several releases, 
depending on "when" you did the clone.

I am asking this because we recently published new toolchains.

I want to make sure which one you are trying to build.

>> We are building our toolchain on Ubuntu 18.04 / 20.04 and 22.04 without
>> issues, I don't understand why it does not work for you, although indeed
>> the error log you are having pops out on my search engine and seems to
>> be some well known issue.
> Yes, there are many answers on the web, but none of them solve this problem.
>
>> If the build-script does not work for you, you can still use the
>> pre-built toolchains generated by the GitHub automated actions:
>> https://github.com/kalray/build-scripts/releases/tag/v4.11.1 ("latest"
>> means 22.04)
> Thanks, this is the final solution ;-)
Good to see it helped :)

Regards,

-- 

Yann