On 08/02/2017 23:41, Xavier Bachelot wrote:
> Hi,
> 
> On 27/01/2017 09:53, Simone Caronni wrote:
>> Hello,
>>
>> On Thu, Jan 26, 2017 at 10:25 AM, Nicolas Chauvet <kwiz...@gmail.com
>> <mailto:kwiz...@gmail.com>> wrote:
>>
>>     For the record EL6 repo is provided as i686 and x86_64 whereas EL7 is
>>     only provided as x86_64 at this time. This lead to an issue with
>>     multilib packages in our infra (same as EPEL). So here is the possible
>>     workaround:
>>     If there is no specific arched dependencies (either binary only or
>>     because of limited BR)
>>     The best way is to build the same package on el6, I will also tag the
>>     build on el7, so both i686 and x86_64 build from el6 will be available
>>     on el7.
>>     This is what I expect to use for libtxc_dxtn (and steam eventually).
>>
>>
>> There was a discussion to introduce an i686 target for EPEL 7, but
>> unfortunately there was no progress on that.
> 
> Maybe last weekend Fosdem got things moving forward again for 32 bits
> EPEL 7 ?
> 
>> Would it be possible to consider the i686 target in EL7 using the
>> alternative architectures of CentOS in RPMFusion?
>>
>> This of course would make things diverge a bit from EPEL, where there is
>> no 32 bit target, and some packages would actually stay in EPEL in their
>> 64 bit form.
>>
>> Tree is here: http://mirror.centos.org/altarch/7/
>>
> How much of 32 bits EPEL 7 do we need ?
> Is steam streaming really that important ?
> Or in other words, can we start with just CentOS 32 bits and add EPEL 32
> bits only when it comes to light ?
> 
> I guess I can probably find out on my own with a custom mock conf. I'm
> wondering about the buildsys-build group though, as this is provided by
> EPEL iirc, and I'm not sure how to handle that.
> 
> So far, there has only been 3 packages that I couldn't build for EL7
> because of them being 32 bits only. Namely, that is steam, zsnes and
> unace. There are probably more, but I'll give at least these 3 and
> libtxc_dxtn a try, if I get a working mock setup.
> 
Ok, my hacked mock conf worked, all 4 of them built fine. No run test
though.

It seems cleaner to me to build against CentOS AltArch rather than
building for el6 and tagging for el7, but I don't have enough data to
shape up a real opinion.

Thoughts ?

Regards,
Xavier
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