[FFmpeg-devel] Build problem

[Jason Garrett-Glaser]

On Wed, Feb 4, 2009 at 2:45 AM, Robert Swain <robert.swain at gmail.com> wrote:
> 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.

0.6.2, AFAIK.  Should work with 0.6.1 as well (x264 won't because of
lzcnt, but we don't use that in ffmpeg yet).

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