Re: [gentoo-user] Re: PYTHON_SINGLE_TARGET & libreoffice

[Alan McKinnon <alan.mckinnon@gmail.com>]

On 27/02/2016 22:27, »Q« wrote:
> On Sat, 27 Feb 2016 21:40:06 +0200
> Alan McKinnon <alan.mckinnon@gmail.com> wrote:
> 
>> I don't know much about PYTHON_SINGLE_TARGET and PYTHON_TARGET, it all
>> seemed to just work so I never looked further. Until now. Of all
>> packages, libreoffice seems to want only python3:
>>
>> I can set it in make.conf but as expected that causes all manner of
>> other packages to fail emerge checks as they need python2.7.
>>
>> What's the preferred way to deal with this situation?
>> Some relevant info:
>>
>> !!! The ebuild selected to satisfy "app-office/libreoffice" has unmet
>> requirements.
>> - app-office/libreoffice-5.1.0.3::gentoo USE="bluetooth branding cups
>> dbus gstreamer java kde mysql vlc (-aqua) -coinmp -collada -debug -eds
>> (-firebird) -gltf -gnome -gtk -gtk3 -jemalloc -libressl -odk -postgres
>> (-telepathy) -test" ABI_X86="64" LIBREOFFICE_EXTENSIONS="-nlpsolver
>> -scripting-beanshell -scripting-javascript -wiki-publisher"
>> PYTHON_SINGLE_TARGET="-python3_4 -python3_5" PYTHON_TARGETS="python3_4
>> python3_5"
>>
>>   The following REQUIRED_USE flag constraints are unsatisfied:
>>     exactly-one-of ( python_single_target_python3_4
>> python_single_target_python3_5 )
>  
>> khamul ~ # eselect python list
>> Available Python interpreters:
>>   [1]   python2.7
>>   [2]   python3.4
>>   [3]   python3.5 *
> 
> I think you can just put 
> 
>   app-office/libreoffice python_single_target_python3_5
> 
> into package.use, which is easier than messing with package.env.

Yup, that's the way it seems.
Also it looks like it'll be the way for at least the next 10 years -
that's my minimum guess how long I reckon python-2 will be around


-- 
Alan McKinnon
alan.mckinnon@gmail.com