On May 31, 2011, at 4:15 PM, Guilherme Kunigami wrote:
> I've grep'ed the output libraries and got:
>
> dyld: loaded: /usr/X11/lib/libGLU.1.dylib
> dyld: loaded: /usr/X11/lib/libGL.1.dylib
> dyld: loaded: /opt/local/lib/libX11.6.dylib
> dyld: loaded: /usr/X11/lib/libXext.6.dylib
> dyld: loaded: /usr/X11/lib/libX11.6.dylib
> dyld: loaded: /usr/X11/lib/libXdmcp.6.dylib
> dyld: loaded: /usr/X11/lib/libXau.6.dylib
>
> Indeed, it's using another version of X11 on /opt/local/lib (may it was
> installed by mac ports?).
Bingo! That's the problem. You've got some client library mismatch. From
your call stack, I'm guessing it's some protocol incompatibility in the libXext
(from /usr) call that is calling back into libX11 (from /opt) ... Probably
right around where clientData becomes garbage.
> For the working version (without openGL) I have:
>
> dyld: loaded: /opt/local/lib/libX11.6.dylib
Either the /opt or the /usr libX11 dylib are probably fine by themselves. The
problem is the other X11 libraries (Xext, Xu, Xi, GLX, etc) that should match.
> I'm not sure on how to fix that.
Well the super easy "fix" is rm -rf /opt ... but the proper way to keep both is
to take /opt/local/lib out of your DYLD_LIBRARY_PATH (just unset it) during
compilation and runtime. Mac Ports adds things to your search paths so you
might have to look in your .profile (or .bash_profile). The cmake "find" logic
might be being too "helpful" if it auto-added /opt/local/lib to linker flags.
If you run "otool -L /path/to/mged" it should tell you whether the wrong
library (/opt) was set during link-time or run-time.
> Didn't solve the problem. It just isolated it. :)
Now it's solved.. and fortunately not a problem in the source code. ;-)
Cheers!
Sean
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