On 3/16/2024 11:26 AM, Christopher Degawa wrote:
On Sat, Mar 16, 2024 at 09:08 Gnattu OC via ffmpeg-devel <
ffmpeg-devel@ffmpeg.org> wrote:
If you are using Xcode >= 15 then you will need to add `-Wl,-ld_classic`
to LDFLAGS. During configure you will also need to set
`--host-ldflags='-Wl,-ld_classic’`.
On Mar 16, 2024, at 09:04, Helmut K. C. Tessarek <tessa...@evermeet.cx>
wrote:
Hello,
It's me again - the dude who compiles ffmpeg for macOS... ;-)
I haven't updated the referenced libbluray, but only compiled ffmpeg the
way I always do. The last time was about 3 days ago and all was good.
This is the git hash of ffmpeg I tried to compile: b47abd5737
duplicate symbol '_dec_init' in:
fftools/ffmpeg_dec.o
/Users/Shared/ffmpeg/sw/lib/libbluray.a(libbluray_la-dec.o)
ld: 1 duplicate symbol for architecture x86_64
clang: error: linker command failed with exit code 1 (use -v to see
invocation)
The only code that changed was ffmpeg and libx265, thus I suspect it was
a change to ffmpeg. I can't really do a git bisect, because this error only
happens after ffmpeg is compiled at the linker stage, so that would take me
forever....
However, the dev who did a change related to this would probably know
right away.
Cheers,
K. C.
--
regards Helmut K. C. Tessarek KeyID 0x172380A011EF4944
Key fingerprint = 8A55 70C1 BD85 D34E ADBC 386C 1723 80A0 11EF 4944
/*
Thou shalt not follow the NULL pointer for chaos and madness
await thee at its end.
*/
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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.
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