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Re: Relicensing Emacs to GPLv3

From: Alexandre Vassalotti
Subject: Re: Relicensing Emacs to GPLv3
Date: Thu, 28 Jun 2007 17:01:32 -0400

On 6/28/07, Richard Stallman <address@hidden> wrote:
Thank you for checking this, but what we really need to check is not
the code of Emacs itself.  We need to check the licensing of the
libraries that Emacs can be linked with.

Yes, indeed. I misread your initial email. Anyway, here a summary of
the licenses of the libraries linked to the GTK+ version of Emacs. All
GPL-like licenses had the "or later version" clause. Most modified MIT
X11 licenses, just have a notice similar to the following added:

  Except as contained in this notice, the name(s) of the above
  copyright holders shall not be used in advertising or otherwise
  to promote the sale, use or other dealings in this Software
  without prior written authorization.

I attached the small script, I used, to check the licenses quickly of
the libraries on a Debian-based system.

-- Alexandre

libgtk-x11-2.0.so.0           => GPLv2
libgdk-x11-2.0.so.0           => GPLv2
libgdk_pixbuf-2.0.so.0        => GPLv2
libm.so.6                     => LGPLv2.1
libm.so.6                     => LGPLv2.1
libfontconfig.so.1            => Modified MIT X11
libX11.so.6                   => MIT X11
libgobject-2.0.so.0           => LGPL
lib-2.0.so.0                  => LGPLv2
lib-2.0.so.0                  => LGPLv2
lib-2.0.so.0                  => LGPLv2
lib-2.0.so.0                  => LGPL
libpthread.so.0               => LGPLv2.1
libpthread.so.0               => LGPLv2.1
libSM.so.6                    => Modified MIT X11
libICE.so.6                   => Modified MIT X11
libtiff.so.4                  => Modified MIT X11
libjpeg.so.62                 => Modified MIT X11
libpng12.so.0                 => Modified MIT X11
libungif.so.4                 => MIT X11
libXpm.so.4                   => Modified MIT X11
libXft.so.2                   => Modified MIT X11
libasound.so.2                => LGPLv2.1
libncurses.so.5               => Modified MIT X11
libc.so.6                     => LGPLv2.1
libc.so.6                     => LGPLv2.1
libfreetype.so.6              => Dual GPLv2 + FreeType
libpangocairo-1.0.so.0        => GPLv2
libpango-1.0.so.0             => GPLv2
libXfixes.so.3                => Modified MIT X11
libatk-1.0.so.0               => GPLv2
libgmodule-2.0.so.0           => LGPLv2
libdl.so.2                    => LGPLv2.1
libdl.so.2                    => LGPLv2.1
libcairo.so.2                 => Modified MIT X11
libXext.so.6                  => Modified MIT X11
libXrender.so.1               => Modified MIT X11
libXinerama.so.1              => Modified MIT X11
libXi.so.6                    => Modified MIT X11
libXrandr.so.2                => Modified MIT X11
libXcursor.so.1               => Modified MIT X11
libz.so.1                     => zlib
libexpat.so.1                 => Modified MIT X11
libXau.so.6                   => Modified MIT X11
libXdmcp.so.6                 => Modified MIT X11
libpangoft2-1.0.so.0          => LGPLv2

Attachment: check-licenses.sh
Description: Bourne shell script

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