Bug#755540: libav: FTBFS on ppc64el architecture

[Breno Leitao]

Hi Reinhard, 

On 07/21/2014 08:53 PM, Reinhard Tartler wrote:
> Hi Breno,
> 
> thank you for your patch regarding allowing libav to build on
> debian/ppc64el in Debian.
> 
> On Mon, Jul 21, 2014 at 6:06 PM, Breno Leitao <brenohl at br.ibm.com> wrote:
>> Source: libav
>> Version: 10.2-1
>> Severity: normal
>> Tags: patch
>> User: debian-powerpc at lists.debian.org
>> Usertags: ppc64el
>>
>> Dear Maintainer,
>>
>> Currently libav doesn't build on ppc64el because it uses altivec and it is still
>> failing on ppc64el, causing the package to FTBFS.
> 
> What is the problem? Doesn't ppc64el in Debian support altivec at all?
Yes, it does in fact, but libav was to build with altivec enabled.
Unfortunately I am still bootstrapping and I didn't go further on the
problem. 

>> I am attaching a patch to disable altivec on ppc64el at the moment.
>> Ubuntu is also using the same patch.
> 
> It seems Ubuntu doesn't disable altivec at all:
> https://launchpad.net/ubuntu/+source/libav/6:10.2-2/+build/6199083
> 
> In fact, it seems in ubuntu the package builds with altivec just fine:
hmm, doesn't Ubuntu has the workaround you provided here? 

https://bugs.launchpad.net/ubuntu/+source/libav/+bug/1263802

Thank you,
Breno