[postgis-devel] Debian packaging and upgrade

[Christoph Berg]

Re: Paolo Cavallini 2019-04-05 <860eac88-52fe-af83-7d49-9524ed49547c at faunalia.it>
> > Package: libsigc++-2.0-0v5
> > Source: libsigc++-2.0
> > Conflicts: libsigc++-2.0-0c2a
> > 
> > So it isn't postgis' fault that it doesn't work for jessie->stretch.
> > As workaround, do a pg_dumpall before the upgrade, and manually
> > restore that.
> 
> sure thing, but I think seriously breaking a cluster without warning the
> user is not the way to go. Indeed leaving only the broken
> postgresql-9.4-postgis-2.1 is enough to allow pg_upgradecluster.

Right, but that doesn't work because libsigc++ in Debian went through
this C++ library transition without actually changing the SONAME on
disk, so the .deb files have to conflict. Blame the Gnome maintainers.

Christoph