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Message-ID:	<41ADCF48.2070302@familiehaase.de>
Date:	Wed, 01 Dec 2004 15:03:52 +0100
From:	"Gerrit P. Haase" <gerrit AT familiehaase DOT de>
User-Agent:	Mozilla/5.0 (Windows; U; Windows NT 5.0; en-US; rv:1.7.3) Gecko/20040910
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To:	Ata Bilgili <Ata DOT Bilgili AT Dartmouth DOT EDU>
CC:	cygwin AT cygwin DOT com
Subject:	Re: gcc-g77 4.4.1-1 stack memory error
References:	<42820683 AT newblitzen DOT Dartmouth DOT EDU>
In-Reply-To:	<42820683@newblitzen.Dartmouth.EDU>
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Ata Bilgili wrote:

> G'day;
> 
> I have a Fortran 77 code involving the finite element
> solution of rather large matrices using a conjugate gradient
> method. The code trustfully runs with g77 on Linux and Unix
> with no problems. 
> 
> When I tried running it this morning using the Cygwin
> gcc-g77 3.3.3-3, it complied nicely but I got a runtime
> error of "MapViewOfFileEx failed, Win32". I then installed
> gcc-g77 3.4.1-1 and the same thing happened but with rather
> different error messages: First I got a *.exe.stackdump file
> (attached) and then received a Segmentation Error.
> 
> An internet search yields -Wl --stack=XXXX options for gcc.
> Is there any workaround for g77? This is rather frustrating,
> knowing that I have to find a way to get this to work under
> Cygwin. I believe this is a Windows problem rather than
> Cygwin but!!! Cygcheck output is also attached.

-Wl,--stack=XXXX

This is needed on Cygwin if your stack will grow beyond 2MB because the 
stack size cannot be modified dynamically.


Gerrit

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