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Date:	Wed, 25 Jun 2014 10:12:47 -0400
From:	Christopher Faylor <cgf-use-the-mailinglist-please AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: developing 32-bit and 64-bit in a shared environment
Message-ID:	<20140625141247.GC5212@ednor.casa.cgf.cx>
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On Wed, Jun 25, 2014 at 01:04:24PM +0000, Nellis, Kenneth wrote:
>I have happily been using 32-bit Cygwin for years, developing 
>shell/perl scripts and C/C++ software. Some of the users that 
>I support have upgraded to 64-bit Cygwin, and so my 32-bit C/C++ 
>binaries no longer work for them. That has forced me to adopt 
>64-bit Cygwin, which I've installed on the same machine as my 
>32-bit Cygwin. I need to maintain both environments in parallel.
>
>Now, I want to share my Cygwin $HOME directory between the two 
>environments.  I already keep my binaries in $HOME/bin/$(arch) 
>and $HOME/lib/$(arch), so they are covered. And, of course 
>/usr/bin has to continue to point to the separate Cygwin 
>environments. 
>
>I didn't see what I was looking for in the FAQ or User Guide, 
>so am looking for advice from the list.

I think you're looking for this:

https://cygwin.com/cygwin-ug-net/using.html#using-pathnames

i.e., use /etc/fstab to mount your home directory to the same
place in both environments.

cgf

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