[Git][debian-gis-team/postgis][master] Have the "postgis" package recommend "postgresql-postgis" instead of a specific version.

[Christoph Berg]

Re: Sebastiaan Couwenberg
> No, we explicitly added the templating bits to support this use case.

Iirc the reason it was copied from pgxs_debian_control.mk to support
"NEWEST_PGVERSION".

> > Calling clean was already triggering the control generation:
> > 
> > override_dh_auto_clean: debian/control
> 
> While that also changed d/control outside the chroot, it didn't call
> `pg_buildext checkcontrol` which fails due to those changes.

That part is necessary to make builds fail if control would change. It
doesn't matter if the change is triggered from clean/configure/build.

> AFAIK only the clean target is suitable, as configure shouldn't modify
> d/control. Every package that generates d/control has that file a
> dependency of the clean target.
> 
> Making `pg_buildext checkcontrol` optional may be a solution for stable
> systems.

If the spurious change on stable is not a problem, and you just want
the build not to fail, you can set PG_UPDATECONTROL=yes.

Christoph