Re: Upstream tip wanted: CI service for Big Endian acrhes

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On 11/12/18 6:57 AM, Dan Horák wrote:
> On Mon, 12 Nov 2018 13:32:57 +0100
> Miro Hrončok <mhroncok@xxxxxxxxxx> wrote:
> 
>> Recently I've reported some Big Endian related test failures to an 
>> upstream project [0].
>>
>> I was asked by an upstream project maintainer, whether I know some
>> free Continuous Integration services where they can easily run their 
>> testsuite on Big Endian.
>>
>> Any tips?
>>
>>   * Upstream uses Travis CI to test on x86_64 Linux (Ubuntu)
>>   * Upstream uses AppVeyor to test on Microsoft Windows
>>   * It's a pure Python project, noarch, but some changes need to be
>> done when loading/saving binary data (LE) with NumPy on BE system.
>>
>> What I've considered:
>>
>>   * COPR (but there is no big endian arch)
>>   * (Ab)using Koji (I guess that would be considered a bad practice?)
>>   * using QUEMU on Travis CI [1]
> 
> I have seen some other projects using user-space QEMU in Travis for
> checking eg. armv7 builds, but don't ask me about the names :-)

Rust does this.  The actual builds are still cross-compiled, but QEMU is
used to execute ARM tests.

> One problem is that these days it is mainly s390x being an actively
> developed big endian architecture in Linux as Power on Linux is focusing
> on ppc64le. But there is the OpenMainframe project [1] backed by Linux
> Foundation, so in the long term we might find help there.
> 
> 
> 		Dan
> 
> [1] https://www.openmainframeproject.org/
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