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Re: Concurrent extraction of convenience-library components on OS X


From: Peter O'Gorman
Subject: Re: Concurrent extraction of convenience-library components on OS X
Date: Mon, 18 May 2009 19:26:04 -0500
User-agent: Thunderbird 2.0.0.19 (X11/20090105)

Ralf Wildenhues wrote:
> Hi Akim,
> 
> thanks for the bug report.
> 
> * Akim Demaille wrote on Mon, May 18, 2009 at 02:22:56PM CEST:
>> I have two dlopen-modules that use a common convenience library.  If I'm 
>> unlucky, libtool will try to extract the objects from the convenience 
>> library at the same moment, which ar does not seem to like.
> 
> Wow.  What in the world does Darwin's ar do to a library that it is
> extracting from?

It flock()'s it.
http://opensource.apple.com/source/cctools/cctools-698.1/ar/archive.c

Will file a bug later.

Peter
-- 
Peter O'Gorman
http://pogma.com




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