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Bug#975589: marked as done (transition: gnat-10)

Your message dated Thu, 24 Dec 2020 09:09:56 +0100
with message-id <X+RM1J3HHt+8Jllo@ramacher.at>
and subject line Re: Bug#975589: transition: gnat-10
has caused the Debian Bug report #975589,
regarding transition: gnat-10
to be marked as done.

This means that you claim that the problem has been dealt with.
If this is not the case it is now your responsibility to reopen the
Bug report if necessary, and/or fix the problem forthwith.

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-- 
975589: https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=975589
Debian Bug Tracking System
Contact owner@bugs.debian.org with problems
--- Begin Message --- 
Package: release.debian.org
Severity: normal
User: release.debian.org@packages.debian.org
Usertags: transition

Hello.

The gcc-$V source package builds the Ada compiler (gnat-$V) and
companion libraries (libgnat-$V and libgnat_util-$V).
The default Ada compiler is selected by the gnat package.
In unstable,     gnat Depends: gnat-9.
In experimental, gnat Depends: gnat-10.

Ada libraries have specific requirements.
* They must Build-Depend: gnat-$V (in addition to gnat).
* Each -dev package name carries a version, similar to the shared
  object version for lib packages.  Most changes in the source require
  a renaming of the -dev package, and a source upload of all reverse
  dependencies.
In order to reduce the number of such transitions, many unrelated
changes, like new upstream releases, are introduced with a libgnat
transition and tested in experimental.

Ben file:

title = "gnat-10";
is_affected = .depends ~ "libgnat-8" | .depends ~ "libgnat-9" | .depends ~ "libgnat-10";
is_good     = .depends ~ "libgnat-10";
is_bad      = .depends ~ "libgnat-8" | .depends ~ "libgnat-9";

The affected source packages are:

adabrowse
adacgi
adacontrol
adasockets
ahven
anet
asis
dbusada
dh-ada-library
gprbuild
libalog
libaunit
libaws
libflorist
libgmpada
libgnatcoll
libgnatcoll-bindings
libgtkada
liblog4ada
libncursesada
libtemplates-parser
libtexttools
libxmlada
libxmlezout
pcscada
plplot

libgnatcoll-db/21.0.0-3 fails to build on mipsel in experimental, and
sometimes on mips64el (#971018, reported at
https://lists.debian.org/debian-mips/2020/09/msg00010.html).
It won't migrate from unstable to testing.
19.2-3 in testing depends on gnat/9 and will block the transition.
Please remove libgnatcoll-db/19.2-3 from testing.

gnat-gps is removed from testing and RC-buggy in unstable because it
depends on python2 (and libgnatcoll-python below).
Version 19.2-3 in unstable does not build with gnat-10, and fixing
this would be wasted work.
Version 20 is not ready, and won't be part of next release anyways, so
the best option is probably to remove it from unstable for now.  It
needs a passage through the NEW queue anyways for unrelated reasons.
Please remove gnat-gps/19.2-3 from unstable.

libgnatcoll-python is removed from testing and RC-buggy in unstable
because it depends on python2 (upstream is working on this).
For now, it builds with gnat-10 and python2 in experimental.
It won't be part of next release, but can be updated like normal
packages and should not prevent the migration of other packages.

These packages mention no versioned -dev.  They will only need a
rebuild once their dependencies are available in unstable.
nmu        music123_16.6-1         . ANY . -m 'Rebuild with gnat-10)'
nmu           topal_80-1           . ANY . -m 'Rebuild with gnat-10)'
nmu whitakers-words_0.2020.10.27-1 . ANY . -m 'Rebuild with gnat-10)'

The gcc-$V and ghdl packages Build-Depend on an explicit gnat version,
but not on the default compiler.
They are not affected.

The ada-reference-manual package requires an Ada compiler for an
intermediate documentation formatter.
It is not affected.

When would a reupload to unstable be appropriate?

--- End Message ---
--- Begin Message --- 
On 2020-12-22 10:30:16 +0100, Sebastian Ramacher wrote:
> Hi
> 
> On 2020-12-06 12:28:15 +0100, Sebastian Ramacher wrote:
> > On 2020-11-23 22:13:29 +0100, Nicolas Boulenguez wrote:
> > > Package: release.debian.org
> > > Severity: normal
> > > User: release.debian.org@packages.debian.org
> > > Usertags: transition
> > > 
> > > Hello.
> > > 
> > > The gcc-$V source package builds the Ada compiler (gnat-$V) and
> > > companion libraries (libgnat-$V and libgnat_util-$V).
> > > The default Ada compiler is selected by the gnat package.
> > > In unstable,     gnat Depends: gnat-9.
> > > In experimental, gnat Depends: gnat-10.
> > > 
> > > Ada libraries have specific requirements.
> > > * They must Build-Depend: gnat-$V (in addition to gnat).
> > > * Each -dev package name carries a version, similar to the shared
> > >   object version for lib packages.  Most changes in the source require
> > >   a renaming of the -dev package, and a source upload of all reverse
> > >   dependencies.
> > > In order to reduce the number of such transitions, many unrelated
> > > changes, like new upstream releases, are introduced with a libgnat
> > > transition and tested in experimental.
> > > 
> > > Ben file:
> > > 
> > > title = "gnat-10";
> > > is_affected = .depends ~ "libgnat-8" | .depends ~ "libgnat-9" | .depends ~ "libgnat-10";
> > > is_good     = .depends ~ "libgnat-10";
> > > is_bad      = .depends ~ "libgnat-8" | .depends ~ "libgnat-9";
> > > 
> > > The affected source packages are:
> > > 
> > > adabrowse
> > > adacgi
> > > adacontrol
> > > adasockets
> > > ahven
> > > anet
> > > asis
> > > dbusada
> > > dh-ada-library
> > > gprbuild
> > > libalog
> > > libaunit
> > > libaws
> > > libflorist
> > > libgmpada
> > > libgnatcoll
> > > libgnatcoll-bindings
> > > libgtkada
> > > liblog4ada
> > > libncursesada
> > > libtemplates-parser
> > > libtexttools
> > > libxmlada
> > > libxmlezout
> > > pcscada
> > > plplot
> > > 
> > > libgnatcoll-db/21.0.0-3 fails to build on mipsel in experimental, and
> > > sometimes on mips64el (#971018, reported at
> > > https://lists.debian.org/debian-mips/2020/09/msg00010.html).
> > > It won't migrate from unstable to testing.
> > > 19.2-3 in testing depends on gnat/9 and will block the transition.
> > > Please remove libgnatcoll-db/19.2-3 from testing.
> 
> I've added the removal hint for libnatcoll-db. Current status is:
> * libgnatcoll: needs a source-only upload
> * libaws: blocked by gnutls28
> 
> Please perform a source-only upload of libgnatcoll. Depending on the
> status of gnutls28, I'll temporarily remove libaws from testing so this
> transition can be completed.

I've added hints so that gnat and the reverse dependencies are able to
migrate. Note though, that the unversioned gnat dependency in the
reverse dependencies causes issues. britney has hard time to detect that
the whole stack has to migrate at once. Consequently, gnat caused
autopkgtest failures in all its reverse depedencies - the tests were
tried with the builds for gnat 10 but with gnat 9 from testing.

For the future, please ensure with appropriate dependencies that this
does not happen again. I think gnat (>= X), gnat (<< X+1) (similarly to
what's done for Python packages) would be enough to help britney and
the autopkgtests.

Cheers
-- 
Sebastian Ramacher

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