[FFmpeg-devel] Stack variables alignment check in libavcodec/dsputil.c

Roman Shaposhnick rvs
Mon Jul 30 23:59:11 CEST 2007


On Mon, 2007-07-30 at 22:53 +0100, M?ns Rullg?rd wrote:
> Roman Shaposhnick <rvs at sun.com> writes:
> 
> > Hi,
> >
> > On Mon, 2007-07-30 at 23:07 +0200, matthieu castet wrote:
> >> >   I do agree that printing it in runtime identifies the executable
> >> > as the one with potential problems, but frankly a big WARNING message
> >> > during the configure step would achieve the same result. Warn the one
> >> > who is doing a build and not confuse somebody for whom it too late to
> >> > fix the problem anyway.
> >> > 
> >> 
> >> And how to you handle cross-compilation stuff where configure test is 
> >> not possible to run ?
> >
> >   Good point. But I have a question for you: is cross-compilation model
> > actively maintained for FFmpeg? What hosts and targets do we have?
> 
> Last I tried, cross-compiling for ARM worked just fine.  I've done
> MIPS builds in the past too.

  Well, I guess that kind of kills my approach of making ./configure 
test for bits and pieces of compiler functionality that may require 
*runtime* tests. Looks like the best I can do is syntax acceptance
only :-(


Thanks,
Roman.





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