Re: embedded-zlib and fpc
On Tue, 13 Apr 2010 14:30:58 -0700, Russ Allbery <rra@debian.org> wrote:
> Russ Allbery <rra@debian.org> writes:
>
>> The problem with embedded-zlib appears to be a false positive in
Lintian.
>> It seems to be triggering on the string:
>
>> "Seek in deflate compressed stream failed."
>
> Ah, no, I was looking in the wrong package. It's fp-units-base, and the
> string is indeed exactly the problematic string indicating an embedded
> copy of zlib:
>
> 4 deflate 1.1.2 Copyright 1995-1998 Jean-loup Gailly
>
> It's in usr/lib/fpc/2.4.0/units/i386-linux/paszlib/zdeflate.o, and that's
> because despite being a completely different implementation translated to
> Pascal, the Pascal implementation embeds exactly the same copyright and
> version string as the C imlementation. Sigh.
>
> This is generally a false positive in that this is not the problem that
> Lintian is trying to diagnose (although I don't understand why it only
> sometimes shows up in builds of easymp3gain). I'm trying to figure out a
> good way of having Lintian avoid this problem.
>
> I wonder if we can trigger off of that leading 4 to suppress this tag,
> since that seems to be peculiar to the Pascal implementation. I think
> I'll give that a try for the next Lintian release.
Thank you! I asked at debian-devel for some info about this and worked with
the FPC developers and came to exactly the same conclusion as you do.
If you ldd the binary, you can also see zlib is dynamically linked.
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