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Date:	Thu, 29 Aug 2002 16:57:00 -0600
From:	Warren Young <warren AT etr-usa DOT com>
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To:	Cygwin-L <cygwin AT cygwin DOT com>
Subject:	Re: dll versus so
References:	<3D6E599D DOT 2040808 AT netcom DOT es>

Ignasi Villagrasa wrote:
> 
> I call A.so from an executable B. B and A.so have several routines 
> duplicated. 

Sounds like you're _trying_ to make trouble for yourself.  <shakes head>

If I were managing your project, I would suggest that you make one of 
several architecture changes to the project:

1. Give the functions in A.so and B different names so there is no clash 
for the linker to resolve.

2. If the functions within A.so which are named the same as functions in 
B are never used by B or any other client of A.so, make the versions 
within B.so "static".  This may require some reorganization of code. 
Failing that, there is a way to make the linker not export the functions 
through the Windows DLL interface, but I forget how to do this.  Chances 
are excellent that GCC supports Microsoft's keyword syntax to do this, 
so searching on http://msdn.microsoft.com/library/ may be helpful. 
Failing that, read the GCC docs.  The __attribute syntax may have an 
element you can use.


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