Bug#851026: ffmpeg: FTBFS: ffconf.bVIjAhhQ.c:2: undefined reference to `dlopen'

[Bálint Réczey]

Hi,

2017-01-14 23:54 GMT+01:00 Adrian Bunk <bunk at debian.org>:
> Control: retitle -1 ffmpeg: ChromaprintContext FTBFS
> Control: forwarded -1 https://trac.ffmpeg.org/ticket/5997
> Control: tags -1 fixed-upstream
>
> On Sat, Jan 14, 2017 at 06:47:02AM +0100, Carl Eugen Hoyos wrote:
>> The relevant lines in the build log are afaict:
>>
>> src/libavformat/chromaprint.c: In function 'write_packet':
>> src/libavformat/chromaprint.c:113:1: error: control reaches end of non-void
>> function [-Werror=return-type]
>>  }
>>  ^
>>
>> The function looks like this:
>>
>> static int write_packet(AVFormatContext *s, AVPacket *pkt)
>> {
>>     ChromaprintMuxContext *cpr = s->priv_data;
>>     return chromaprint_feed(cpr->ctx, pkt->data, pkt->size / 2) ? 0 :
>> AVERROR(EINVAL);
>> }
>>
>> I guess this is a compiler bug.
>
> No, you should only look at the first compile error in that file:
>
> src/libavformat/chromaprint.c:42:24: error: field 'ctx' has incomplete type
>      ChromaprintContext ctx;
>                         ^~~
> This is the actual error.
>
> Whatever the compiler comes up with for cpr->ctx in the place you quoted
> might be garbage, but at that point it is already game over.
>
> Upstream fix:
>   http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=581f93f37ef2e7a00662828ed0348d1edb9041fe
>
>> Carl Eugen

Is there a new FFmpeg upstream release on the horizon or I should just
update the package with a cherry-picked patch?

Cheers,
Balint