[cello-devel] Re: Cello

Kenny Tilton ktilton at nyc.rr.com
Mon Mar 8 05:13:59 UTC 2004

jan wrote:

>Kenny Tilton <ktilton at nyc.rr.com> writes:
>>>Here is the minimal program I'm trying to get working.
>>>I'm getting a segfault in ffi land.
>>On which call? If to glutMainLoop, do you manage to re-enter any
>In the glut-create-window call,
damn, that's early. have you run the C demos that come with freeglut as 
a sanity check?

> it calls through freeglut and crashes
>somewhere in the X server.
another thought is for folks to post their version numbers on 
/everything/ (OS, freeglut, Lisp, etc etc etc) to help narrow things 
down. Knowing Frank's successful set-up (all those version numbers) 
would probably help anyone going thru X11.

>I originally used UFFI and pure alien only for the callbacks, when
>that didn't work I removed the UFFI layer to make sure it wasn't a
>UFFI bug.
Yeah, that's how I work. If you have not punted altogether on this, I think the first thing to check is the Freeglut C demos. UFFI agrees with you that the Lisp string can be passed raw to glut-create-window, so it is hard to see what you could be doing wrong.



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