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- From: "Erik B" <erik___b at hotmail dot com>
- To: cygwin at cygwin dot com
- Cc: erik___b at hotmail dot com
- Date: Mon, 03 Dec 2001 15:29:43 +0100
- Subject: Re: Licensing
Thanks for the answer
My application is a pure windows application,
which accesses postgreSQL using JDBC.
It does not use the cygwin.dll.
PostgreSQL itself uses the cygwin.dll.
Can I still use cygwin without violating the GPL?
>From: Corinna Vinschen <email@example.com>
>To: Erik B <firstname.lastname@example.org>
>Subject: Re: Licensing
>Date: Mon, 3 Dec 2001 15:07:03 +0100
>On Mon, Dec 03, 2001 at 02:28:54PM +0100, Erik B wrote:
> > Hi
> > I have read all the documentation on cygwin.com concerning
> > licensing and I have not found a clear answer to my question:
> > I want to install a win 2000 server at a customer.
> > I want to run PostgreSQL on the server.
> > My application accesses PostgreSQL using JDBC.
> > I cannot put my application under GPL.
> > Can i use cygwin for this without violating the GPL?
>As long as your application is _not_ linked against the Cygwin DLL
>or against any other library which itself is GPL'd, you're fine.
>If your application is created using Cygwin you would violate
>the GPL if your application is going to be distributed without
>being under an Open Source license.
>If you want to know whether your application is using the Cygwin
>DLL, just use `cygcheck' which will show you all DLLs the application
>is linked against, e.g.
>$ cd /bin
>$ cygcheck ls.exe
>Corinna Vinschen Please, send mails regarding Cygwin to
>Cygwin Developer mailto:email@example.com
>Red Hat, Inc.
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