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Date:	Tue, 18 Sep 2001 16:26:14 -0400
From:	Charles Wilson <cwilson AT ece DOT gatech DOT edu>
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To:	Mark Paulus <commpg AT yahoo DOT com>
CC:	"cygwin AT cygwin DOT com" <cygwin AT cygwin DOT com>
Subject:	Re: What's Diff between shared lib (.so) and .dll???
References:	<200109181953 DOT f8IJrCkp005781 AT mail DOT ee DOT gatech DOT edu>

Mark Paulus wrote:

> I've been trying to work out this example of how to 
> make makefiles and shared library modules that are at least slightly
> portable between linux and cygwin.  But, I'm having some 
> difficulty.
> 


they are different.  To learn how to build DLLs using cygwin tools, see 
http://www.neuro.gatech.edu/users/cwilson/cygutils/V1.1/dll-stuff/

Note that there seems to be a cygwin-related problem that is tickled by 
the C example, but the C++ and Fortran examples work fine.

The cygwin bug is in 1.3.3-2 and is heap related; the person who 
reported it to me is researching it (I seem to remember something about 
heap errors in the archives)...more info to come...

src/dllhelpers-0.2.7/ $ ./usedll.exe
m.AllocationBase 0x0, m.BaseAddress 0x614E0000, m.RegionSize 0x20000, 
m.State 0x10000
D:\cygwin\usr\local\src\dllhelpers-0.2.7\c\usedll.exe: *** Couldn't 
reserve space for cygwin's heap (0x614E0000 <0x460000>) in child, Win32 
error 487

--Chuck




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