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RE: Cygwin Python Distribution GPL Licensing Issue?
- To: "DJ Delorie" <dj at delorie dot com>,<Jason dot Tishler at dothill dot com>
- Subject: RE: Cygwin Python Distribution GPL Licensing Issue?
- From: "Tim Peters" <tim dot one at home dot com>
- Date: Sun, 22 Apr 2001 02:59:41 -0400
- Cc: <cygwin at sources dot redhat dot com>,<cce at clarkevans dot com>
> OK, I can short-cut the rest of this, then.
Then I can cut mine even thinner <wink>.
> Building a Python binary with Cygwin is OK, provided there are
> no *other* things you link in that cause problems. The Cygwin
> exception is specifically designed to allow GPL-incompatible
> yet otherwise open source projects be built with Cygwin.
This is one for Jason: When I execute the python.exe I get from Cygwin
Setup, I'm pretty sure it's been linked against GNU readline. Since readline
is the FSF's GPL lightning rod, you probably want to change that (but, sorry,
I don't know what you would need to do -- for obvious reasons, this isn't a
problem in the Windows build!).
> If Python is not GPL, this is irrelevent anyway. You don't need to
> interpret a license you don't use - it's the people who combine works
> who need to worry about multiple licenses.
Understood -- and I feel darned sorry for them. We've been working for
almost a year to get a Python license the FSF is willing to *say* is
GPL-compatible, but for various reasons it still doesn't look that's going to
>> and the Python license does not require derivative works to be
>> released as open source.
> It *allows* it, yes?
Absolutely yes. The community culture strongly encourages it, too. But
Guido doesn't want to *force* it. Python is subversive rather than
confrontational that way, perhaps just because Guido is Dutch <wink>.
> Nothing is clear when it comes to licensing.
Heh. Indeed, it makes emulating fork() under Windows look obvious.
Thanks for your patience here, and for all Cygwin's great work!
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