[KDE/Mac] Thoughts on standard directories in Qt5 - QStandardPaths

[Marko Käning]

Hi all, this is what David wrote about the use of XDG env vars on OSX back then in July:

Begin forwarded message:

> From: David Faure <faure at kde.org>
> Subject: Re: KF5 Update Meeting Minutes 2014-w28
> Date: 10 Jul 2014 11:57:23 GMT+2
> To: kde-frameworks-devel at kde.org
> Cc: Marko Käning <mk-lists at email.de>
> 
> On Thursday 10 July 2014 07:41:31 Marko Käning wrote:
>> Most support I need re QStandardPaths and I would be stealing some Unix code
>> from  QStandardPaths::writableLocation() to be found in
>> qstandardpaths_unix.cpp where XDG is being used to determine the
>> environment of the system the Qt5 program runs on, using qgetenv() like
>> e.g. this:
>> ---
>> QString xdgCacheHome = QFile::decodeName(qgetenv("XDG_CACHE_HOME"));
>> ---
>> Since the CI system - of course - makes use of these XDG environment
>> variables during the test of every framework and application installed, it
>> would be great if all these environment vars would be given to the CI
>> system by a patched qt5 as well. I am working on it and will post a RR once
>> I’ve got something working.
> 
> Wrong approach. XDG is a freedesktop thing which doesn't apply to Mac.
> 
> This should be fixed the other way around:
> 1) finding out how Mac OS lets people configure the location for their files,
> or if this isn't configurable, coming up with QT_* environment variables.
> 2) patching QStandardPaths to use these
> 3) setting these vars in the CI scripts
> 
> -- 
> David Faure, faure at kde.org, http://www.davidfaure.fr
> Working on KDE Frameworks 5
>