[x264-devel] Re: Compilation problem with x264 on Dual Opteron setup

Pedro Tumusok pedro.tumusok at gmail.com
Sat Apr 29 12:24:33 CEST 2006


On 4/29/06, Loren Merritt <lorenm at u.washington.edu> wrote:
>
> On Sat, 29 Apr 2006, Pedro Tumusok wrote:
>
> > We are getting the following error msgs when trying to compile x264 on a
> > machine with dual opteron 280 cpu's.
> >
> > /usr/bin/ld: warning: i386:x86-64 architecture of input file `libx264.a(
> > dct-a.o)' is incompatible with i386 output
>
> Looks like your gcc defaults to a i386 target, while x264's configure
> detects your cpu as x86_64.
>
> Thank you for giving me an idea,  I admit I have very little knowledge
about this :)

But I tried to add the gcc target option of "-m64" to make x86_64 code to
the CFLAGS for the DARCH = X86_64 in the configure file, but the same
errormsg was shown.

Any idea how I can fix this?

Another question not related, but brought up from reading glossy marketing
pamphlets, I belive the Opteron 280 which I have support SSE3, and when
using x264 with older CPU's it takes advantage of MMX,SSE & SSE3 among other
things, does x264 also support SSE3?

Best regards
Pedro Tumusok
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