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Re: linker warnings on Mac OS X

From: David Daney <ddaney at avtrex dot com>
To: Bryce McKinlay <mckinlay at redhat dot com>
Cc: John Gabriele <john3g at bestweb dot net>, java at gcc dot gnu dot org
Date: Thu, 08 Jul 2004 12:00:28 -0700
Subject: Re: linker warnings on Mac OS X
References: <57896331-D10F-11D8-86C3-003065776B20@bestweb.net> <40ED9894.70308@redhat.com>

Bryce McKinlay wrote:
> John Gabriele wrote:
> 
> 
>>The last lines of output in my terminal window give a bunch of
>>linker warnings:
>>
>>[snip]
>>/usr/local/gcj/lib/gcc/powerpc-apple-darwin7.3.0/3.4.0/../../../ 
>>libgcj.dylib(libgcj.5.0.0.dylib-master.o) definition of _copysign
>>/usr/lib/libSystem.dylib(copysign.o) definition of _copysign
>>
>>Are these serious? The executable built and seems to work fine.
> 
> 
> 
> Not serious. These are math library functions that are provided both by 
> Darwin's math library, which are also provided by a math library 
> included in libjava. Its arguably a bug that libjava's implementation is 

Should libgcj export them as weak symbols?

David Daney

Follow-Ups:
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References:
- linker warnings on Mac OS X
  - From: John Gabriele
- Re: linker warnings on Mac OS X
  - From: Bryce McKinlay

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