[KDE/Mac] kde4 on Tiger using macports

Jonas Bähr jonas.baehr at web.de
Wed Jan 7 22:18:42 CET 2009

Am 07.01.2009 um 21:13 schrieb Jonas Bähr:

> Hi,
> Am 27.12.2008 um 06:05 schrieb O:
>> On Fri, Dec 26, 2008 at 11:33 PM, Jonathan Stickel  
>> <jjstickel at vcn.com> wrote:
>>> On 12/26/08 kde-mac-request at kde.org wrote:
>>>> From: Jonas B?hr <jonas.baehr at web.de>
>>>> Subject: Re: [KDE/Mac] kde4 on Tiger using macports
>>>> Hi,
>>>> Am 23.12.2008 um 17:58 schrieb Jonathan Stickel:
>>>>>> I have (finally) built and installed kdebase4 using mapcorts on  
>>>>>> Tiger
>>>>>> (10.4.11).  However, nothing runs correctly (if at all).   
>>>>>> kwrite is
>>>>>> very
>>>>>> slow and ugly.  More importantly to me, dolphin will not start  
>>>>>> at all.
>>>>>> I try to start it two ways, and I get
>>>>>> $ open -a dolphin
>>>>>> 2008-12-23 09:39:58.684 open[24306] Couldn't launch application:
>>>>>> (null)
>>>>>> $ /Applications/KDE4/dolphin.app/Contents/MacOS/dolphin
>>>>>> (...prompt returns with no message, and then...)
>>>>>> <unknown program name>(14342)/: KUniqueApplication: Cannot find  
>>>>>> the
>>>>>> D-Bus session server
>>>>>> Not much for me to go with here.  I do have dbus-daemon running.
>>>>>> Any ideas?
>>>> I'm also fighting with dbus problems... I did not have simipar
>>>> problems with kdelibs-4.0.0
>>>> First, try to build dbus with the "no_x11" variant. (does anyone  
>>>> know
>>>> *why* x11 is the default?) to prevent X11 from launching each  
>>>> time you
>>>> start a KDE app.
>>>> Then, the mac_initialize_dbus function looks in the environment for
>>>> DBUS_SESSION_BUS_ADDRESS. If this does not exists, it looks for
>>>> DBUS_LAUNCHD_SESSION_BUS_SOCKET in the current environment and if  
>>>> this
>>>> fails too it looks in the environment of launchd (via launchctl's
>>>> gentenv). I don't know where the dbus-daemon should actually be
>>>> started (perhaps Benjamin could help here, he has written this  
>>>> code).
>>>> However, you can start it manually and let it set the needed env- 
>>>> vars
>>>> for you.
>>>> Try in the terminal:
>>>> $ eval `dbus-launch --auto-syntax`
>>>> $ /Applications/KDE4/dolphin.app/Contents/MacOS/dolphin
> I've got an update on this. I've written a little shell script which  
> tests if DBUS_LAUNCHD_SESSION_BUS_SOCKET is set in launchd. If it's  
> not the case, the session bus is started via dbus-launch. Then the  
> socket path is extracted and stored in launchd. This way, every  
> KDE-4 app will find the bus. To use it simply execute this script  
> from your ~/.profile or launch it once per session manually before  
> starting a KDE-4 app.
> In my eyes this is however a hack. I think it would be best to  
> change kdelibs to store DBUS_SESSION_BUS_ADDRESS directly in launchd  
> after starting dbus. I see if I can come up with a patch.
> The next step would be to extend dbus itself to store the bus  
> address in launchd on Mac OS X instead of using X11 for that. This  
> way non-kde-apps could also benefit from it, no special treatment in  
> kdelibs would be required and autolaunch could work on a Mac too  
> without X11...
> Anyone volunteers? ;-)

I just found this feature-request [1] in freedesktop's bugtracker. It  
is a patch fot dbus adding support for launchd and it seems benjamin  
wrote kde's dbus init code for mac around this patch.
So, to move things forward we don't need fixes for kdelibs, nor an  
other extension to dbus but we need this patch incorporated in  
macport's dbus...
[1] https://bugs.freedesktop.org/show_bug.cgi?id=14259


> bye,
> Jonas
> <start-dbus-session-bus.sh>
>>> I did find something to this effect after googling a bit.  It kind  
>>> of
>>> helped with some apps (kwrite and opening a file), but dolphin was  
>>> still
>>> broken, now with a different error message.  Anyway, I've given up  
>>> for
>>> now.  KDE3 started working for me again and is just fine for me at  
>>> the
>>> moment.
>>> Jonathan
>> What was the error? Maybe someone here knows the solution and it'll  
>> be
>> useful for others. Or you, when you come back :-)
>> -- 
>> George Carlin  - "Weather forecast for tonight: dark."
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