[FFmpeg-devel] Build problem

Robert Swain robert.swain
Wed Feb 4 11:45:38 CET 2009


2009/2/4 M?ns Rullg?rd <mans at mansr.com>:
> Reimar D?ffinger <Reimar.Doeffinger at stud.uni-karlsruhe.de> writes:
>> On Wed, Feb 04, 2009 at 09:25:46AM +0000, M?ns Rullg?rd wrote:
>>> Art Clarke <aclarke at xuggle.com> writes:
>>> > I installed yasm on our Mac build boxes today, and noticed the
>>> > following error doing x86_64 builds:
>>> >
>>> >>> ld: pointer in read-only segment not allowed in slidable image, used in dispatch_tab_sse from libavcodec/x86/fft_mmx.o
>>> >
>>> > I was wondering if people already knew why this occurs (a perusal of
>>> > the archives suggested not).  If I don't have yasm installed or
>>> > available on the path the build works fine.  Any thoughts or anyone
>>> > else seeing this?
>>>
>>> Yes, Apple is stupid as usual.  What that error message means is that
>>> it doesn't allow relocations in read-only sections, which is utterly
>>> silly.
>>
>> Well, in that specific case it might also be because the data gets
>> placed in .text and not .rodata on OSX, supposedly because of alignment
>> issues.
>
> Wasn't there a hack for that?  Also, if that is the problem, using
> latest yasm svn version should have a fix IIRC.

Art: What version of yasm did you install? x264 requires a very recent
version (0.7.x i think) and the asm code has been written by x264
devs. Just install the latest version from the yasm site.

Regards,
Rob




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