Avoid collisions between parallel installations of Cygwin

Christopher Faylor cgf-use-the-mailinglist-please@cygwin.com
Thu Oct 15 16:01:00 GMT 2009


On Thu, Oct 15, 2009 at 11:43:33AM -0400, Christopher Faylor wrote:
>On Thu, Oct 15, 2009 at 12:40:17PM +0200, Corinna Vinschen wrote:
>>So, here's your next question:  Given that there are no or so few
>>problem reports which could be tracked down to a MSYS/Cygwin
>>co-existance problem, does that mean the potential problems are
>>exaggerated, or does that mean we just didn't detect the cause of the
>>problem?  As you can easily guess, I have no answer to this question.
>
>Since I'm about to leave on vacation, and don't want to hold anything
>up, I won't have any objections to Corinna's changes if they include a
>way for every running version of Cygwin to register itself and a way for
>cygcheck to report the versions of Cygwin that have been run on the
>system.  So, I that means an additional work in the DLL.  I don't think
>it makes sense for anything other than cygwin1.dll to register itself
>and I do understand that there may be issues with registry write
>permissions.
>
>I saw Chuck's concerns about being able to turn off this behavior, and
>it would be nice if they were addressed.

It also occurs to me that some way to clean these things out of the
registry would be nice.  Maybe cygcheck could optionally remove registry
entries for nonexistent DLLs.

cgf



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