# Re: Is SANE GPL'ed? (was Re: Solaris 2.6 w/ HP ScanJet 4c)

David Mosberger-Tang (David.Mosberger@acm.org)
Sun, 13 Dec 1998 13:23:01 -0800

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>>>>> On Sun, 13 Dec 1998 22:18:37 +0100 (MET), Ole Aamot <oleaa@ifi.uio.no> said:

Ole> I'm co-developing gPhoto^ with Scott Fritzinger, and I was
Ole> wondering whether or not SANE will be released under the terms
Ole> of the GNU GPL.

SANE _is_ GPL (some parts are less restrictive, details are in the
appended LICENSE file).

--david

----------------------------------------------------------------------------
Mon Nov 30 22:41:58 1998

This files attempts to clarify the licensing situation for the SANE
distribution. In case of doubt, the copyright information contained
in each file overrides what is said here.

SANE consists of three parts each of which has its own licensing
terms:

* The frontend programs.

These programs are generally protected by the GNU General Public
License. (See file COPYING.)

* The backend libraries.

Backend libraries are protected by the GNU General Public License (see
file COPYING), but as an exception, it is permissible to link against
such a library without affecting the licensing status of the program
that uses the libraries. For details, see the copyright notice at the
head of the backend files (e.g., backend/dll.c).

Note that some of the backends have additional licensing constraints.
E.g., the DC210 backend uses JPG code that is licensed as described
in backend/djpeg.README.gz.

* The SANE API and network protocol as put forth in the standard document.

The standard is considered to be in the public domain. Anyone is free
to implement SANE interface conforming applications or libraries in
any way he or she sees fit.

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