[pulseaudio-discuss] webrtc: build failures on i386

Rex Dieter rdieter at math.unl.edu
Fri May 27 14:09:06 UTC 2016

Felipe Sateler wrote:

>> Is there some reason you can't /build/ with SSE2 support on the
>> compiler? Or were you suggesting that we needed to add  compiler flags
>> to make this work?
> My fear is that enabling SSE2 support globally for the library might
> induce gcc to use SSE2 instructions in its generated code. See the
> -msse section in the gcc manual[1]:
>> In particular, the file containing the CPU detection code should be
>> compiled without these options.
> So, I think what is needed is to split sse-using functions to a
> separate file and add -msse2 only to that file. However, I am not very
> confident I understand this very well, so this may not be optimal
> either.

Ah, sneaky, if that's true, the approach I took in the initial patches I 
posted elsewhere in this thread aren't ideal either.

I'll go back and see if I can work up something better.

-- Rex

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