bug#27467: Xfce broken, because it propagates two different versions of gtk+

[Mark H Weaver]

address@hidden (Ludovic Courtès) writes:

> Mark H Weaver <address@hidden> skribis:
>
>> I just tried to update my GuixSD system to commit
>> c57b56722f6c167c5a285f47802047de85a356ae on master.  "guix system build"
>> failed with the following error:
>>
>> guix system: error: profile contains conflicting entries for gtk+:out
>> guix system: error:   first entry: address@hidden:out 
>> /gnu/store/901ify6fr2zlr2y2acpvlqr8lygmwj98-gtk+-2.24.31
>> guix system: error:    ... propagated from address@hidden
>> guix system: error:    ... propagated from address@hidden
>> guix system: error:   second entry: address@hidden:out 
>> /gnu/store/fhqaljm8cf78irhqjbrm8n0ri1k2cznm-gtk+-3.22.15
>> guix system: error:    ... propagated from address@hidden
>> guix system: error:    ... propagated from address@hidden
>> guix system: error:    ... propagated from address@hidden
>
> I just tried and Exo builds fine with GTK+3, so I would think this
> reference to GTK+2 was a mistake.  Can you check if it works fine for
> you with this change?

After changing Exo to use Gtk+3, I get this:

guix system: error: profile contains conflicting entries for gtk+:out
guix system: error:   first entry: address@hidden:out 
/gnu/store/0m9hpckvamd048zgsrhx1dx2s5hrg1qk-gtk+-2.24.31
guix system: error:    ... propagated from address@hidden
guix system: error:    ... propagated from address@hidden
guix system: error:    ... propagated from address@hidden
guix system: error:   second entry: address@hidden:out 
/gnu/store/hc090rjjka3r9spvzl7yn5hcc2xgrgdh-gtk+-3.22.15
guix system: error:    ... propagated from address@hidden
guix system: error:    ... propagated from address@hidden
guix system: error:    ... propagated from address@hidden

    Thanks,
      Mark