Bug#964284: guile-gnutls: update to use guile 3.0

[Andreas Metzler]

On 2020-12-07 Ludovic Courtès <ludo at gnu.org> wrote:
> Vagrant Cascadian <vagrant at debian.org> skribis:
[...]
> > I was never able to reproduce the failure locally on multiple occasions,
> > although once triggered a rebuild on the buildd machines that failed in
> > the same way.

> Same here and I don’t think we got a report upstream in GnuTLS either.

See below for a reproducer:

https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=969672#48
| how to reproduce this on amd64 in the other
| bugreport:
| 
| (sid)ametzler at argenau:/$ rm -rf /tmp/GNUTLS/  /dev/shm/GNUTLS
| (sid)ametzler at argenau:/$ mkdir /tmp/GNUTLS/  /dev/shm/GNUTLS
| (sid)ametzler at argenau:/$ cd /dev/shm/GNUTLS
| (sid)ametzler at argenau:/dev/shm/GNUTLS$ apt source gnutls28 ; ln -s /dev/shm/GNUTLS/gnutls28-3.6.15 /tmp/GNUTLS/ ; cd /tmp/GNUTLS/gnutls28-3.6.15
| (sid)ametzler at argenau:/tmp/GNUTLS/gnutls28-3.6.15$ dpkg-buildpackage -uc -us -j1 -B

and
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=969672#68

| On 2020-11-28 Rob Browning <rlb at defaultvalue.org> wrote:
| [...]
| > I also wonder if it could be something we're setting in the debian/rules
| > environment, since the tests work fine if I run:
| 
| >   make -C b4deb check
| 
| > after the debian/rules build hangs and I C-c it.
| [...]
| This also hangs:
| env GUILE_AUTO_COMPILE=0 make -C b4deb/guile/  check TESTS="tests/reauth.scm" VERBOSE=1 < /dev/null
|                                                                                        ^^^^^^^^^^^^   (Input redirection)

cu Andreas