Multiple cygwin installs

[Brian Hawkins]

OK please clarify how I commandeered a thread?  I addressed my email to 
the cygwin list and set my own subject.  I was not replying to any other 
thread.

Also this may not be the best solution, but I use cygwin for 
development.  It may not be the perfect solution but it works well for 
switching development environments.

I posted my comments because there may be someone out there who will say 
"Hey that will work for me too."

Brian

Larry Hall (Cygwin) wrote:

> Brian Hawkins wrote:
>
>> Just FYI.  I found a pretty good way to manage multiple cygwin installs.
>>
>> I use the windows subst command.
>>
>> It works like this.  Create a directory c:\cyginstalls.  Then beneath 
>> it create a directory for each cygwin install you want like cygwin1, 
>> cygwin2 whatever.  Then use the subst command like so:
>> subst x: c:\cyginstalls\cygwin1
>>
>> Now install cygwin to x:\.  Change the subst to 
>> c:\cyginstalls\cygwin2 and install again to x:\.
>>
>> To choose what cygwin you use just subst x to the appropriate 
>> folder.  Kind of a poor mans symbolic link.
>
>
> Why are you commandeering one thread to inject another?  If you have
> something you want to say and it has nothing to do with any previous
> thread, just start a new one by sending email to the list.
>
> The flaw that I see with your approach is that you're not taking into
> account any existing mounts in the mount table.  Without resetting the
> mount table in between each installation, you will very likely end up
> with subsequent installations overwriting the first one.
>
> FWIW, if you want something similar to symbolic links for directories and
> you're running W2K or above with NTFS, you can use reparse points.  
> See the
> "junction" utility from www.sysinternal.com if you're interested in this.
>

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