Bug#1119968: nmu: libmediainfo_25.09+dfsg-1

[Emilio Pozuelo Monfort <pochu@debian.org>]

On 03/11/2025 14:19, Adrian Bunk wrote:
> On Mon, Nov 03, 2025 at 08:40:34AM +0100, Emilio Pozuelo Monfort wrote:
> > On 03/11/2025 07:53, Chow Loong Jin wrote:
> > > Package: release.debian.org
> > > Severity: normal
> > > X-Debbugs-Cc: libmediainfo@packages.debian.org, debian-powerpc@lists.debian.org
> > > Control: affects -1 + src:libmediainfo
> > > User: debian-powerpc@lists.debian.org
> > > Usertags: ppc64el
> > > User: release.debian.org@packages.debian.org
> > > Usertags: binnmu
> > >
> > > Hi,
> > >
> > > Following the upload of libzen 0.4.41-4 to resolve the FTBFS on ppc64el[1],
> > > there has been an autopkgtest regression of libmediainfo in ppc64el[2] due
> > > to symbols going missing:
> > >
> > >      69s /usr/bin/ld: /usr/lib/gcc/powerpc64le-linux-gnu/15/../../../powerpc64le-linux-gnu/libmediainfo.so: undefined reference to `ZenLib::Ztring::From_Number(__float128, unsigned char, ZenLib::ztring_t)'
> > >      69s collect2: error: ld returned 1 exit status
> > >      69s make[1]: *** [Makefile:568: mil_analyze] Error 1
> > >      69s make[1]: Leaving directory '/tmp/autopkgtest-lxc.mhoipc35/downtmp/autopkgtest_tmp/Project/GNU/Library/test'
> > >      69s make: *** [Makefile:1076: check-am] Error 2
> > >      69s autopkgtest [04:22:04]: test mil-test: -----------------------]
> > >     ▸ test mil-test: test results
> > >
> > > This should be resolved with a rebuild of libmediainfo against
> > > the libzen 0.4.41-4, so please rebuild libmediainfo 25.09+dfsg-1 against
> > > libzen 0.4.41-4 in ppc64el.
> >
> > This sounds like an RC bug in libzen if it broke the ABI by dropping a
> > public symbol. If so, it should reintroduce it, bump the SONAME, or at the
> > very least, add breaks to affected packages.
>
> This is caused by ppc64el breaking ABI in forky (ask Graham if you
> need more information):
> https://lists.debian.org/debian-powerpc/2025/08/msg00003.html

I'll defer this to Graham then.

Cheers,
Emilio