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Subject:	RE: g77 executable with largish array fails (solved?)
content-class:	urn:content-classes:message
Date:	Tue, 26 Oct 2004 17:16:18 +1000
Message-ID:	<8ED2FA87C8ACC04192709688DDFD5F5F09B3BA@calttsv025.cal.riotinto.org>
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From:	"Billinghurst, David \(CALCRTS\)" <david DOT billinghurst AT comalco DOT riotinto DOT com DOT au>
To:	<cygwin AT cygwin DOT com>
X-OriginalArrivalTime:	26 Oct 2004 07:16:18.0752 (UTC) FILETIME=[B035CC00:01C4BB2B]
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> From: David Billinghurst
>
> The following test case is distilled from the LAPACK timing test cases.  
> These used to work on some previous versions of cygwin/g77, but now fail.

I translated the problem into C using f2c.  It becomes:

$ cat labugc.c
int main() {
  static float a[39*1024*1024];
}

$ gcc -O0 -o labugc.exe labugc.c
$ ./labugc
C:\cygwin\usr\people\billingd\labugc.exe (3372): *** MapViewOfFileEx(0x728, in_h 0x728) failed, Win32 error 6


Aha, I says.  Looks like stack overflow.  Google pointed me to an work around
gcc -Wl,--stack,200000000 -O0 -o labugc.exe labugc.c

	David


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