Re: [Linux] libavcodec/libavcodec.so: undefined symbol: ff_mlp_iirorder_{0,1,2,3,4} with --enable-lto

RenĂ© J. V. Bertin via ffmpeg-devel <[email protected]> Sun, 12 Jul 2026 13:31:42 +0200
Newsgroups gmane.comp.video.ffmpeg.devel
Message-ID <[email protected]>
René J.V. Bertin via ffmpeg-devel wrote:

> Hi,
> 
> Back in April of this year, I rebuilt the then current FFmpeg 8.0.1 with clang
> 17 and configured with --enable-lto .
> 
> For some reason, this is no longer possible, neither with v8.1.2 nor with
> v8.0.1, using the exact same compiler build and FFmpeg configure options (I
> use a framework of scripts to ensure reproducible builds).
SNIP
> What might I have updated since April that causes the build to fail? I did
> update `binutils` to 2.46.0 but rolling back to the version I had installed in
> April (2.43.1) does not seem to fix the issue (at least not when I just use
> that older `ld` to regenerate libavcodec.so).
> 
> Thanks,
> R.


Really, no one?
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