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From: Achim Gratz <Stromeko@nexgo.de>
To: cygwin@cygwin.com
Subject: Re: My C arrays are too large
References: <CY4PR1101MB21339312E8F5656D8C887BFE81B30@CY4PR1101MB2133.namprd11.prod.outlook.com>
Date: Fri, 13 Sep 2019 20:39:21 +0200
In-Reply-To: <CY4PR1101MB21339312E8F5656D8C887BFE81B30@CY4PR1101MB2133.namprd11.prod.outlook.com>	(Charles E. Blair, III's message of "Fri, 13 Sep 2019 12:10:47 +0000")
Message-ID: <87ftl0jb1i.fsf@Rainer.invalid>
User-Agent: Gnus/5.13 (Gnus v5.13) Emacs/26.2 (gnu/linux)
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Blair, Charles E III writes:
> My apologies for failing to reply on-list.  I don't know how :(
>
> My machine is 64 bit, and I hope I installed the correct version of cygwin.
>
> This program:
>
> #include<stdio.h>
> int main(){char *a[50][8192];
> return 0;}
>
> compiles with gcc  (no special options) but gives "Segmentation fault".

You are creating an automatic variable that's larger than the default
stack.  You need to enlarge the stack, either during link time or later
e.g. via

peflags -x0x800000 a.out


Regards,
Achim.
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