Hi, Gents,
Many thanks for your thoughtful responses! Freetype is indeed available under
a BSD-like licensse. But when I tried to install freetype on my Windows system
using the binary provided from GnuWin32, it attempts to force me to accept the
GPL3, which I cannot. Freetype's link to another binary supplied by GTK+ is
broken. So, I guess I have two choices; compile freetype from the source, or
download something like Anaconda, which I'd rather not do because I have Python
already installed.
If you have any other ideas, I'd be happy to hear them.
Best,Chad
From: Joe Kington <[email protected]>
To: Paul Hobson <[email protected]>
Cc: CAB <[email protected]>; Matplotlib Development List
<[email protected]>; Matplotlib Users
<[email protected]>
Sent: Friday, February 17, 2017 5:03 PM
Subject: Re: [matplotlib-devel] [Matplotlib-users] License, freetype
Well, if Freetype were only distributed under the GPL, you couldn't distribute
matplotlib in binary form without providing the source code.
However, Freetype is distributed under more than one license. (see:
https://www.freetype.org/license.html )
Because it's distributed under a BSD-style license in addition to the GPL, it
can be distributed in binary form, subject to an accreditation clause:
http://git.savannah.gnu.org/cgit/freetype/freetype2.git/tree/docs/FTL.TXT
In the past, I have gotten approval from corporate lawyers at a very large
company to use freetype (and matplotlib) in an application that was being
distributed in binary form. The dual-licensing of freetype was key in that
particular case.
Or that's my take on it, anyway. I'm not a Lawyer, so don't consider this
legal advice in any way.
Cheers!
-Joe
On Fri, Feb 17, 2017 at 4:52 PM, Paul Hobson <[email protected]> wrote:
Chad,
My recollections is that matplotlib doesn't distribute the source code to
FreeType, it only uses it as a dependency. As such, MPL is in the clear with
its more permissive licensing.-Paul
On Fri, Feb 17, 2017 at 12:45 PM, CAB <[email protected]> wrote:
Hi, All,
I just went to install matplotlib version 2.0.0, and it has a dependency called
"freetype". This software appears to be licensed under GPL3. My reading of
that latter license is that, if someone wanted to distribute a compiled version
of a program requiring matplotlib, that entire program would fall under the
GPL3 license. I'm sure that would be a non-starter for many, many projects.
Does anyone have any takes on this?
Chad
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