[Pal-devel] Running PAL on Mac OS X (Leopard)

[Tomi Neste]

Tomi Neste <flatlander at yellow-hut.com> kirjoitti Tue, 06 Nov 2007 14:46:13  
+0200:

> Kamil Shakirov <kamils80 at gmail.com> kirjoitti Tue, 06 Nov 2007 13:55:56  
> +0200:
>
>> Hi Tomi,
>>
>> Recently I moved to MBP3 and Mac OS X (upgraded to Leopard). First I
>> wanted to port all my lisp libs/tools to the new OS. So far I can run
>> cl-opengl (thomas branch) using lispbuilder-sdl backend for window
>> management. Now I am trying to run PAL, still no success. After
>> applying a small patch (attached) that loads SDL (from SDL offsite)
>> and OpenGL libraries I was able to compile and load PAL library
>> without any errors but constantly get the same errors and SBCL crashes
>> when trying to run examples. Here is my log:
>
> Hmm, this one is a bit tricky since I don't (yet) have an OSX myself.
>  From what I have a read the issues about SDL & CL are caused by OSX  
> driving the SDL window in different thread than Lisp and I think  
> Lispbuilder-SDL has some magic to overcome the problems.
> A quick fix would be using LB-SDL for setting up the gl context and  
> possibly handling the ui events. Naturally that would need some  
> knowledge of the pal internals. If you are interested in trying that,  
> replacing the PAL:OPEN-PAL and possibly PAL:UPDATE and PAL:HANDLE-EVENT  
> with equivalent SB-SDL code might work.
> In the long run it would of course be best to have some real fix for  
> this. I'll do some searching and probably the least I can do is come up  
> with an easy way to use PAL on top of LB-SDL.
>
> Anyway, thanks for reporting. I'm very interested in getting PAL working  
> on Mac.
>
>

One thing that might work is loading the cocoa helper library from  
lispbuilder-sdl, see http://lispbuilder.sourceforge.net/#macosx, before  
opening any pal windows.



-- 
tomppa