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Date: Fri, 25 Apr 2014 20:21:57 +0200
From: Erwin Waterlander <waterlan AT xs4all DOT nl>
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Subject: Re: 64-bit vs. 32-bit
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Op 25-4-2014 20:13 Tom Szczesny schreef:
> result from uname -a
> CYGWIN_NT-6.1-WOW64 Toshiba 1.7.17(0.262/5/3) 2012-10-19 14:39 i686 Cygwin

uname -a on 64 bit cygwin should say something like:

CYGWIN_NT-6.1 PC2 1.7.28(0.271/5/3) 2014-02-09 21:06 x86_64 Cygwin

Note there is no "WOW64", and there is a "x86_64".

> Sorry that I was not clear.
> I have an open source app (hosted on github.com) that was developed
> for Linux.  It compiles and works on Windows-64 using my current
> version of Cygwin, but I suspect that I am getting a 32-bit executable
> as a result.
>
> I wish to get a 64-bit executable, which I intend to redistribute to
> other Windows users.
>
> Do I need to uninstall my 32-bit version of Cygwin from my laptop
> before I install the 64-bit version of Cygwin?
>
No, you can have both 32 and 64 bit Cygwin installed.

-- 
Erwin Waterlander
http://waterlan.home.xs4all.nl/


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