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Date:	Sat, 22 Jan 2005 20:22:49 -0500
From:	Christopher Faylor <cgf-no-personal-reply-please AT cygwin DOT com>
To:	cygwin AT cygwin DOT com
Subject:	Re: Help! Need B.20.1 src
Message-ID:	<20050123012249.GN32005@trixie.casa.cgf.cx>
Reply-To:	cygwin AT cygwin DOT com
References:	<1106432621 DOT 23759 DOT 6 DOT camel AT mellor DOT kw DOT net> <20050122234445 DOT GI32005 AT trixie DOT casa DOT cgf DOT cx> <1106442000 DOT 24143 DOT 20 DOT camel AT mellor DOT kw DOT net> <41F2FB38 DOT BD37B3FB AT dessent DOT net>
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On Sat, Jan 22, 2005 at 05:17:44PM -0800, Brian Dessent wrote:
>John Mellor wrote:
>>Correct me if I'm mistaken, but if I'm going to make a few dollars off
>>of a non-free something that links in an open source library, I need to
>>provide the source for the open-source parts with the product, or fall
>>afoul of the LGPL.  So, to make everybody happy, I believe that all I
>>need to add, is to provide the source for cygwin1.dll to the Customer.
>
>I don't know if the ancient Bxx series was LGPL, but the current Cygwin
>source is GPL which means you must provide not only the Cygwin DLL
>source but also all the source of your app that links to it.
>
>There is a mailing list to discuss this: cygwin-licensing at cygwin dot
>com.

I think that cygwin has been GPL since early 1997.

So, you're right.  I can't believe I missed this.  Anything that uses the
Cygwin DLL is GPLed.

cgf

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