How about when I need to install a new port? wouldn’t I need to select one 
installation over another?

Gustavo Seabra



> Em 3 de dez de 2015, à(s) 14:30, Ryan Schmidt <ryandes...@macports.org> 
> escreveu:
> 
> There would be nothing to switch because both would be installed. Just use 
> the full path to whatever program you want to run. 
> 
>> On Dec 3, 2015, at 11:24, Gustavo Seabra <gustavo.sea...@gmail.com> wrote:
>> 
>> Funny - I actually never noticed any difference between quartz and x11 :-)
>> 
>> Assuming there is some noticeable difference and I decide to keep both, how 
>> do I switch from one macports installation to the other and back when using 
>> it?
>> 
>> Thanks,
>> Gustavo Seabra
>> 
>> 
>> 
>>> Em 3 de dez de 2015, à(s) 14:21, Ryan Schmidt <ryandes...@macports.org> 
>>> escreveu:
>>> 
>>> We default to X11 because there are still many software packages written by 
>>> developers who do not test on a Mac, are not aware of Quartz, and 
>>> inadvertently write software that requires X11. 
>>> 
>>> Some users prefer to use Quartz because its visual appearance is more 
>>> pleasing to them than X11. If you don't care, use X11.  
>>> 
>>> 
>>>> On Dec 3, 2015, at 11:18, Gustavo Seabra <gustavo.sea...@gmail.com> wrote:
>>>> 
>>>> OK, it looks as id it will take a bit more work than normal to get it 
>>>> working…
>>>> 
>>>> BTW, do you know of any port that does not have a +x11 variant, and would 
>>>> require exclusively the +quartz one? (I’m trying to decide if there’s any 
>>>> reason to keep the quartz around at all).
>>>> 
>>>> Thanks,
>>>> Gustavo Seabra
>>>> 
>>>> 
>>>> 
>>>>> Em 3 de dez de 2015, à(s) 14:02, Ryan Schmidt <ryandes...@macports.org> 
>>>>> escreveu:
>>>>> 
>>>>> On Dec 3, 2015, at 08:46, Gustavo Seabra wrote:
>>>>>> 
>>>>>> I have recently changed to Quartz, a process started with the command 
>>>>>> suggested here:
>>>>>> http://article.gmane.org/gmane.os.apple.macports.user/39617
>>>>>> 
>>>>>> After some kinks, it all works fine now. However, I now want to install 
>>>>>> a port that depends on x11 (PyMol). If I try this, the install crashes 
>>>>>> with the message:
>>>>> 
>>>>> Let's use the correct terminology: nothing has crashed; you've merely 
>>>>> encountered an error message.
>>>>> 
>>>>> 
>>>>>> --->  Rebuilding in order
>>>>>> gtksourceview2 @2.10.5 
>>>>>> py27-pygtksourceview @2.10.1 
>>>>>> gwenhywfar4-gtk @4.14.0 
>>>>>> webkit-gtk @2.4.9 +video
>>>>>> Error: org.macports.archivefetch for port gtksourceview2 returned: gtk2 
>>>>>> must be installed with +x11.
>>>>>> 
>>>>>> The version i have now is:
>>>>>> 
>>>>>> $ port installed gtk2
>>>>>> The following ports are currently installed:
>>>>>> gtk2 @2.24.28_1+quartz (active) 
>>>>>> 
>>>>>> If I try to install gtk2 to be compatible with both quartz and x11, I 
>>>>>> get:
>>>>>> 
>>>>>> $ sudo port install gtk2 +quartz +x11
>>>>>> Password:
>>>>>> Error: gtk2: Variant quartz conflicts with x11
>>>>>> Error: Unable to open port: Error evaluating variants
>>>>>> 
>>>>>> So, to install PyMol, will i need to uninstall everything that now is 
>>>>>> working with quartz to reinstall it with x11? Os is there a way to have 
>>>>>> them working side-by-side?
>>>>> 
>>>>> Some ports can install both variants simultaneously, such as Cairo; most 
>>>>> cannot. For those that cannot, you should decide whether you want X11 or 
>>>>> Quartz before you install any of them, and make the appropriate selection 
>>>>> in your variants.conf file. You cannot easily switch a MacPorts 
>>>>> installation from X11 to Quartz or vice versa. If you need both, install 
>>>>> a second MacPorts installation in a different prefix. For example, use 
>>>>> the default prefix /opt/local for X11 since that is the default variant 
>>>>> so you would be more likely to be able to get binaries from our server, 
>>>>> and use another prefix like /opt/quartzlocal for Quartz, since non 
>>>>> default prefixes won't get any binaries anyway.
>>>> 
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>> 

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