[Debian-med-packaging] Bug#971425: libcharls2: libcharls.so.2 vs. libCharLS.so.2

[Marcello Perathoner]

Package: libcharls2
Version: 2.1.0+dfsg-1
Severity: important

Dear Maintainer,

the last upgrade of libcharls broke Mapnik, ie. the gdal datasource.

Mapnik LOG> 2020-09-30 10:35:56: Problem loading plugin library:
/usr/lib/mapnik/3.0/input/ogr.input (dlopen failed - plugin likely has an
unsatisfied dependency or incompatible ABI)
Mapnik LOG> 2020-09-30 10:35:56: Problem loading plugin library:
/usr/lib/mapnik/3.0/input/gdal.input (dlopen failed - plugin likely has an
unsatisfied dependency or incompatible ABI)

* What led up to the situation?

The upgrade of libcharls.

Start-Date: 2020-09-30  06:31:11
Commandline: /usr/bin/unattended-upgrade
Upgrade: libcharls-dev:amd64 (2.0.0+dfsg-1+b1, 2.1.0+dfsg-1), libcharls2:amd64
(2.0.0+dfsg-1+b1, 2.1.0+dfsg-1)
End-Date: 2020-09-30  06:31:13

* What exactly did you do (or not do) that was effective (or
  ineffective)?

libgdal looks for libCharLS.so.2 but libcharls.so.2 is installed.

# cd /usr/lib/x86_64-linux-gnu/
# ln -s libcharls.so.2.1.0 libCharLS.so.2

* What was the outcome of this action?

Mapnik works again.



-- System Information:
Debian Release: bullseye/sid
  APT prefers unstable
  APT policy: (500, 'unstable')
Architecture: amd64 (x86_64)

Kernel: Linux 5.7.0-3-amd64 (SMP w/8 CPU threads)
Kernel taint flags: TAINT_PROPRIETARY_MODULE, TAINT_OOT_MODULE, TAINT_UNSIGNED_MODULE
Locale: LANG=en_US.UTF-8, LC_CTYPE=de_DE.utf8 (charmap=UTF-8), LANGUAGE=en_US:en
Shell: /bin/sh linked to /bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled

Versions of packages libcharls2 depends on:
ii  libc6       2.31-3
ii  libgcc-s1   10.2.0-12
ii  libstdc++6  10.2.0-12

libcharls2 recommends no packages.

libcharls2 suggests no packages.

-- no debconf information