[FFmpeg-devel] duplicate symbol '_dec_init' in: fftools/ffmpeg_dec.o

[Andreas Rheinhardt]

Rémi Denis-Courmont:
> 
> 
> Le 16 mars 2024 13:58:23 GMT-07:00, James Almer <jamrial at gmail.com> a écrit :
>>> Seems the conflict comes from
>>> https://code.videolan.org/videolan/libbluray/-/blob/master/src/libbluray/disc/dec.c?ref_type=heads#L287
>>>   and
>>> https://github.com/FFmpeg/FFmpeg/commit/c4de5778bceab3c15f1239f1f16816749a7fd3b6
>>>
>>> Perhaps you could also try asking libbluray if they could use an internal
>>> prefix. Otherwise you might need to do a rename of that function on
>>> ffmpeg's side.
>>
>> libbluray 100% needs to either prefix it, or hid it so it's not exported. It's a library, so it should not be exporting such simple and short unprefix named symbols.
> 
> AFAICT, FFmpeg is just as guilty as Libbluray there. To support static linking, all non-static symbols should be name-spaced, and here both FFmpeg and libbluray are failing, and thus both should be fixed IMO.
> 

You forgot that FFmpeg's dec_init is in fftools/the executable, whereas
libbluray's is in the library.

- Andreas