problems upgrading from 14.04 to 16.04

[Amichai Rotman]

Have you tried to use aptitude?

It uses the same syntax as apt-get and can suggest a few options to resolve
the conflicts...

Amichai

‫בתאריך יום ד׳, 28 בספט׳ 2016 ב-21:22 מאת ‪Oliver Grawert‬‏ <‪
ogra at ubuntu.com‬‏>:‬

> hi,
> On Mi, 2016-09-28 at 19:45 +0200, Ralf Mardorf wrote:
> > On Wed, 28 Sep 2016 18:42:28 +0200, Oliver Grawert wrote:
> > >
> > > Am Mittwoch, den 28.09.2016, 18:18 +0200 schrieb Ralf Mardorf:
> > > >
> > > > >
> > > > > My apologies :D, wrong package. To be continued...
> > > > Ok, this is the correction, so from where exactly is gcc-5-base
> > > > 5.4.1-2ubuntu1~14.04?
> > >
> > > from the toolchain PPA most likely, i think that is the only place
> > > where a gcc5 for trusty exist at all ...
> >
> > I know this, but seemingly the OP doesn't know. A PPA, proposed
> > etc. aren't official repositories.
>
> well ... in case of the toolchain PPA this is the only way to get a
> (semi) supported gcc version for an older release ...
>
> if the source code you build for your job requires gcc5 features but
> your company only supports 14.04 installs on the workstations this PPA
> is provided by the ubuntu toolchain team for you ...
> (though preferably you would use a chroot and not taint your host
> system with such a hackery ... to not break ... well ... upgrades :P )
>
> i guess tom is on the right path here already with his
> -o Dpkg::Options::="--force-all" and the forcing of the version ...
>
> if that doesn't work, there is still dpkg itself to force install all
> the debs manually in the right combination and have apt-get -f install
> solve the higher level dependency stuff afterwards.
>
> ciao
>         oli--
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