Bug#662793: ffmpeg: relocation error, version LIBAVCODEC_53 not defined in file libavcodec.so.53
dr at jones.dk
Tue Mar 6 18:05:50 UTC 2012
On 12-03-06 at 06:33pm, Reinhard Tartler wrote:
> On Tue, Mar 6, 2012 at 6:25 PM, Jonas Smedegaard <dr at jones.dk> wrote:
> > On 12-03-06 at 05:51pm, Reinhard Tartler wrote:
> >> On Tue, Mar 6, 2012 at 2:10 PM, Fabian Greffrath
> >> <fabian at greffrath.com> wrote:
> >> > Hi Laurento,
> >> >
> >> > Am 06.03.2012 13:54, schrieb Laurento:
> >> >
> >> >> I've just upgraded ffmpeg and now it simply doesn't work...
> >> >> $ /usr/bin/ffmpeg: relocation error:
> >> >> /usr/lib/x86_64-linux-gnu/libavformat.so.53: symbol
> >> >> avcodec_is_open, version LIBAVCODEC_53 not defined in file
> >> >> libavcodec.so.53 with link time reference
> >> >
> >> >
> >> > this symbol has been added in Version 4:0.8-2. Please update your
> >> > libavcodec53 package to that version as well.
> >> >
> >> > Reinhard, how about bumping shlibs when symbols are added? ;)
> >> Ouch, yes, that's indeed a bug in the package and needs to be fixed in
> >> 4:0.8-3.
> > Using symbols files would catch this, causing a build failure until
> > corrected.
> > I offer to add that, if noone objects.
> I looked into that last year (or the year before). The problem is that
> symbol files do not seem to support alternative dependencies in a way
> that allow applications to link either against libav or their
> libav-extra counterparts.
> The other problem with symbol files are that libavcodec and
> libavformat still export too many private symbols. This is being
> worked on upstream, which is why libav 0.9 will bump SONAMEs again.
> If you want to implement symbols file without replacing the current
> shlibs file (which on the first sight seems pretty pointless), then
> I'd have no objections.
Thanks for elaborating!
I believe the use of symbols files override shlibs, so do not expect to
be able to support that requirement of yours, even if it did make sense
(I fail to understand what use that would be).
I do recall now that in our earlier discussion the main issue was
private symbols. Thanks for reminding me :-) Nice to hear that work is
ongoing on improving that.
Regarding libav-extra I would prefer that source package to be dropped,
but let's rehash that discussion later... :-)
* Jonas Smedegaard - idealist & Internet-arkitekt
* Tlf.: +45 40843136 Website: http://dr.jones.dk/
[x] quote me freely [ ] ask before reusing [ ] keep private
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