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Re: Licensing question

From: Saravanan Bellan <SBellan(at)jareva(dot)com>
To: pgsql-cygwin(at)postgresql(dot)org
Subject: Re: Licensing question
Date: 2002-04-25 01:39:01
Message-ID: (view raw, whole thread or download thread mbox)
Lists: pgsql-cygwin
I dont understand the portion,

"launching Cygwin and PostgreSQL as services"

Can my commerical application's installer copy over the Cygwin dll's and
have my service start the PostgreSQL database, as long I ship the Cygwin and
PostgreSQL sources with the distribution.


-----Original Message-----
From: Jason Tishler [mailto:jason(at)tishler(dot)net]
Sent: Tuesday, April 23, 2002 5:49 AM
To: Antti Oikarinen
Cc: pgsql-cygwin(at)postgresql(dot)org
Subject: Re: [CYGWIN] Licensing question


Again, IANAL...

On Tue, Apr 23, 2002 at 01:00:35PM +0300, Antti Oikarinen wrote:
> if i deploy PostgreSQL with a commercial application, using Cygwin for
> PostgreSQL, do i need to purchase a license or should my application
> comply to Open Source specification? Can i avoid the need to purchase a
> license or to go Open Source by, for example, launching Cygwin and
> PostgreSQL as services, without any contact between my application and
> Cygwin, only connecting to PostgreSQL through JDBC?

Yes, this is exactly what we were going to do with a product from
my previous employer.  Unfortunately, there was downsizing, so the
product never saw the light of day.  Nevertheless, I believe that we
would have been fully complying with the licensing requirements.

> Cygwin home pages are unfortunately very obscure when it comes to
> licensing (and they aren't replying to questions on the subject...). In
> many places it says it's GPL, but from elsewhere in the site you get a
> very different picture. I asked an expert and even he couldn't come up
> with a certain answer right away. I found these two messages from these
> archives:

I can't say much more than the above -- just provide the required source
(i.e., Cygwin, PostgreSQL, etc.) which is *not* your application source
in this case.

> .. and these look very promising. However, i'd be grateful for any more
> detailed information on the subject and the conclusion. When it comes to
> licenses, one can't be too careful :)



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