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Message-ID:	<3C02F279.3020207@ece.gatech.edu>
Date:	Mon, 26 Nov 2001 20:55:05 -0500
From:	Charles Wilson <cwilson AT ece DOT gatech DOT edu>
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To:	Robert Collins <robert DOT collins AT itdomain DOT com DOT au>
CC:	pgarceau AT qwest DOT net, cygwin-apps AT cygwin DOT com
Subject:	Re: Remove cinstall src directory from snapshots
References:	<3C0273A3 DOT 4316 DOT 702A6A AT localhost> <03bf01c176e1$2b95eed0$0200a8c0 AT lifelesswks>

Robert Collins wrote:


> 
> That will have been the issue. cinstall needs common makefile elements
> from the winsup directory, as well as the bz2lib directory and w32api.
> I'll accept patches to make cinstall build when isolated from the winsup
> directory, and use the system installed w32api and bz2lib and optionally
> zlib 


Watch out, here.  The bzlib and zlib installed on cygwin have the 
following characteristics:
   a) link to the DLL by default (so you have to use -static and 
-DZLIB_STATIC etc if you want to link statically)
   b) since DLL's are not allowed to have unresolved symbols when they 
are built, cygz.dll and cygbz21.dll are "prelinked" to cygwin1.dll.  So 
linking setup.exe dynamically to the "system" zlib and bzlib is out.
   c) So, you have to do the wacky -DZLIB_STATIC stuff...
Blech.


--Chuck

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