[packages/ardour] force build with MMX and SSE

[Jacek Konieczny]

On 2016-10-12 09:30, Elan Ruusamäe wrote:
> you can enforce runtime probe dependency:
>
> $ grep -r Requires.*cpuinfo ~/all-specs
> /home/users/glen/all-specs/adobe-flash.spec:Requires: cpuinfo(sse2)
> /home/users/glen/all-specs/google-earth.spec:Requires: cpuinfo(sse2)
> /home/users/glen/all-specs/kernel.spec:Requires: cpuinfo(pae)
> /home/users/glen/all-specs/ClanLib.spec:%{?with_sse2:Requires:
> cpuinfo(sse2)}

Good to know.

Even better would be to also know what are the CPU extensions supposed 
to be available on our 'i686'.

> sorry if this is totally out of context.

No, it is not.

It seems Ardour is supposed to detect and enable SSE on runtime, but I 
am not sure it works and I have no way to test it. MMX suuport seems to 
be hardcoded.

Jacek