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Re: linking libGL: cycle in dylib re-exports?

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Re: linking libGL: cycle in dylib re-exports?

Subject: Re: linking libGL: cycle in dylib re-exports?
From: Martin Costabel <email@hidden>
Date: Mon, 29 Oct 2007 11:06:07 +0100

Abe Stephens wrote:

Hi, I'm encountering a linking problem whenever I attempt to link to X11's libGL in Leopard.
Here is a concise example:
echo 'static void *foo; int main() { foo = (void *)glGetIntegerv; }' | g++ -xc++ - -I/usr/X11R6/include -includeGL/gl.h -L/usr/X11R6/lib -lGL ld: cycle in dylib re-exports with /usr/X11R6/lib/libGL.dylib collect2: ld returned 1 exit status
Does anyone have some advice on how to fix this?

This is a new feature (AKA bug) in /usr/bin/ld, coupled with the fact that Apple rather stupidly chose the same name "libGL.dylib" for two linked but different libraries in /usr/X11/lib and in the OpenGL framework.

A fix is described here:
<http://wiki.finkproject.org/index.php/Fink:Packaging:Preparing_for_10.5#OpenGL_Bug>

Please file a bug on bugreport.apple.com.

--
Martin


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Follow-Ups:

Re: linking libGL: cycle in dylib re-exports?
From: Ben Byer <email@hidden>
Re: linking libGL: cycle in dylib re-exports? (resolved)
From: Abe Stephens <email@hidden>


References:  
  >linking libGL: cycle in dylib re-exports? (From: Abe Stephens <email@hidden>)




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