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Date: Fri, 25 Apr 2014 13:38:37 -0400
From: Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
To: cygwin AT cygwin DOT com
Subject: Re: 64-bit vs. 32-bit
Message-ID: <20140425173837.GC346@ednor.casa.cgf.cx>
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User-Agent: Mutt/1.5.20 (2009-06-14)

On Fri, Apr 25, 2014 at 01:26:22PM -0400, Tom Szczesny wrote:
>I have a 64-bit Windows laptop, and installed Cygwin several years ago.
>I wish to verify that I did install the 64-bit installation.
>I get the following results:
>
>cygcheck -V
>cygcheck (cygwin) 1.7.15
>
>uname
>CYGWIN_NT-6.1-WOW64
>
>If I did install the 64-bit version, when I rebuild my Linux app on
>Cygwin, do I automatically get a 64-bit executable (that will not run
>on a 32-bit Windows computer)?

1) No, you didn't install a 64-bit version of Cygwin.  "uname -a" should
make that clear.  You'll need to instal a 64-bit version if that's what
you want.

2) Cygwin doesn't build Linux apps.  If you have a cross-compiler then
it won't automatically decide to build 64-bit Linux apps because you
are on a 64-bit sytem.

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