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Date: Sat, 19 Jan 2002 10:21:00 -0500
From: Christopher Faylor <cgf AT redhat DOT com>
To: cygwin-apps AT cygwin DOT com
Cc: erickson AT mufassa DOT com, sinisa AT mysql DOT com
Subject: Re: mysql server out of the list
Message-ID: <20020119152100.GA6450@redhat.com>
Reply-To: cygwin-apps AT cygwin DOT com
Mail-Followup-To: cygwin-apps AT cygwin DOT com, erickson AT mufassa DOT com,
	sinisa AT mysql DOT com
References: <15433 DOT 31231 DOT 465616 DOT 175599 AT sinisa DOT nasamreza DOT org> <004a01c1a0ef$b284f390$0200a8c0 AT lifelesswks>
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On Sun, Jan 20, 2002 at 12:46:27AM +1100, Robert Collins wrote:
>Chris,
>    Can you step up and explain the GPL issue...
>
>Regarding the pthread implementation, thank you :}.
>
>I am very open to changing/improving it to meet the needs of open source
>products, so if/when time arises, and you see how cygwin today meets the
>needs of MySQL, feel free to get hold of me.

What is the issue?  Are they providing a cygwin DLL without accompanying
sources?  That is the usual confusion regarding the DLL.

The Cygwin DLL is just like any "program" distributed under the GPL.  If
you distribute a binary, you must distribute sources, even if you have
made no modifications to the binary (cygwin1.dll).  Providing a pointer
to some other place to get the sources isn't adequate.

If so, that's probably the problem.  You can't just provide a binary.  You
have to provide the sources for the binary.  Linking to the cygwin.com web
site isn't sufficient.  You have to be able to directly provide sources
in compliance with the GPL.

Apologies if I'm misunderstanding the situation.

cgf

>----- Original Message -----
>From: "Sinisa Milivojevic" <sinisa AT mysql DOT com>
>To: <erickson AT mufassa DOT com>
>Cc: <robert DOT collins AT itdomain DOT com DOT au>; <cygwin-apps AT cygwin DOT com>
>Sent: Sunday, January 20, 2002 12:51 AM
>Subject: Re: mysql server out of the list
>
>>I am still using 20.1, which did not have such a fine pthread
>>implementation.
>>
>>Regarding not including a cygwin source and GPL violation, that is not
>>true.
>>
>>Our product is in full GPL compliance and distributed in source.  And
>>our mysqlc.exe is built on CygWin without any changes.
>>
>>I truly do not understand this about GPL violation on our side.