COPYING, clarify the licenses
add a table of files licensed differently to 'New BSD' We will try to contact USB officials to obtain a re-licensing of CIDER.
This commit is contained in:
Holger Vogt
rlar
parent
cd1bbf2003
commit
de6654ff72
234
COPYING
234
COPYING
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@ -1,111 +1,104 @@
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12345678901234567890123456789012345678901234567890123456789012345678901234567890
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Ngspice 27
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Copyright (c) 2017,
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Ngspice Licensing
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Copyright (c) 2018 by ngspice maintainers
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All rights reserved.
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license for this document: CC-BY-SA v4.0
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Foreword:
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The name 'Spice' (Simulation Program with Integrated Circuit Emphasis)
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was originally chosen at the University of California, Berkeley. The
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original Berkeley code is covered under the modified BSD license and
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thus sets the basis for all other code added.
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As Spice is the basis of almost all circuit simulators, the major part of the
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analogue and mixed signals simulation's code is designed to fit with it.
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The *spices (generic name for its forks) are heterogeneous in many points due
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to the work of researchers, electronic designers, software editors, etc.
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The Ngspice team tries to collect work from the different sources and
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contribute new functionalities. Thus, the material we manipulate is
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heterogeneous in licenses. Keeping the licenses as is, but also keep it
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compatible with the new BSD license, is the way to live with that diversity.
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**************************** ngspice license **********************************
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Copyleft is a fundamental question in FOSS development. The choice of a
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copylefted contribution, or a non copylefted contribution is an important
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choice that should be respected. Ngspice branch as a whole will not be covered
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by a specific license. The Ngspice team wants to encourage contributions to
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ngspice. We let each new developer choose its position regarding copyleft,
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as we respect the position of the former developers. In order to keep things
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clear ngspice team proposes to follow the following guidelines:
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The ngspice source code has evolved over time by integrating contributions
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from various sources (e.g. Spice3f5, XSPICE, CIDER, numparam, tclspice and
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others). Thus a mixture of license statements prevails.
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Each piece of code should be kept under its original contributor's license.
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As for any project, modifications made in sources covered by a less
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restrictive license can be covered by a more restrictive license than new BSD.
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We do not encourage it.
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The ngspice license is the `Modified BSD' license. This is adopted for all of
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its source code, test and example files except for the files listed below.
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If you feel to add code in a file under a different license than the rest of
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the file, please use comments to mark the boundaries of the modification, and
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edit the comments at the beginning of the file with correct license and
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copyright information.
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************** files with licenses different to 'Modified BSD' ****************
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We encourage restrictive licenses to be chosen only for new functionalities,
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written in distinct files, leading to distinct libraries that link depending
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on a specific configure flag.
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* ngspice/doc
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SPICEDOC, not compatible to DFSG
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considered outdated
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We encourage non proliferation of licenses (e.g. choosing either LGPL or
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new BSD). GPL is not suitable for code to be directly linked into ngspice,
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but may be used in shared object libraries only.
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* ngspice/contrib
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GPL, Public Domain
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This heterogeneous license status requires some effort to keep track on licenses
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applied. Please take care of knowing which license applies to the code you are
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editing, or conveying and not to commit license infringements, especially to
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GPL and LGPL which are quite restrictive.
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* ngspice/m4
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unnamed, compatible to DFSG
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On 2007, July 17th spice 3f5 changed from its original license to the new BSD
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license. (http://embedded.eecs.berkeley.edu/pubs/downloads/spice/index.htm)
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* ngspice/src/tclspice.c
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LGPLv2
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On 2008, December 1st, tclspice changes license from GPL to LGPLv2, in
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accordance with Multigig Ltd, the copyright holder.
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* all files in ngspice/src/maths/sparse
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unnamed MIT license, compatible to New BSD
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The original CIDER license (see below) does not contain the controversial
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advertisement clause and thus is compatible to the new BSD license. In addition
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this clause has been removed from all BSD licensed software originating from UCB
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(see statement below).
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* ngspice/src/spicelib/devices/adms/ekv
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* ngspice/src/spicelib/devices/adms/hicum0
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* ngspice/src/spicelib/devices/adms/hicum2
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* ngspice/src/spicelib/devices/adms/psp102
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copyright info, but no license information given, vendor specific licenses
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The following table is a summary of license status:
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Author License Notes
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ngspice/src/spicelib/devices/adms/mextram
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Educational Community License version 1.0
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numparam Georg Post LGPL Applies to the code in
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frontend/numparam
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adms Laurent Lemaitre LGPL Applies to scripts in the
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spicelib/dev/adms
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tclspice Stefan Jones LGPL TCL integration
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cider U. of California New BSD Device level simulator
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xspice Georgia Tech. Public D Mixed signals
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spice U. of California New BSD Analog circuit simulation
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table.cm Holger Vogt GPL Code model shared library
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containing GPLed code.
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ngspice/src/spicelib/devices/adms/admst
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LGPLv2.1
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ngspice/src/spicelib/devices/ndev
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public domain
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--------------------------------- New BSD -----------------------------------
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ngspice/src/xspice
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public domain
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except for
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ngspice/src/xspice/icm/table
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GPLv2 or newer
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All `old' BSD licenses (of SPICE or CIDER) have been changed to the `modified'
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BSD license according to the following publication
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see [ftp://ftp.cs.berkeley.edu/pub/4bsd/README.Impt.License.Change]):
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ngspice/src/frontend/numparam
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LGPLv2 or newer
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July 22, 1999
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ngspice/src/ciderlib
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CIDER is distributed with its own license (see below) that is not compatible
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to DFSG (https://embedded.eecs.berkeley.edu/pubs/downloads/cider/index.htm).
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CIDER shall be covered New BSD according to UCB officials, but this
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re-licensing is still under discussion
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(see https://lists.debian.org/debian-legal/2016/10/msg00022.html).
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Therefore CIDER may not be made available in all software distributions.
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To All Licensees, Distributors of Any Version of BSD:
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ngspice manual
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(see https://sourceforge.net/p/ngspice/ngspice-manuals/ci/master/tree/)
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Creative Commons Attribution Share-Alike (CC-BY-SA) v4.0
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As you know, certain of the Berkeley Software Distribution (`BSD') source code
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files require that further distributions of products containing all or
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portions of the software, acknowledge within their advertising materials
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that such products contain software developed by UC Berkeley and its contributors.
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-------------------------------------- ngspice ---------------------------------
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---------------------------------- 'Modified BSD' ------------------------------
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Specifically, the provision reads:
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Copyright 1985 - 2018, Regents of the University of California and others
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`3. All advertising materials mentioning features or use of this software must
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display the following acknowledgment: This product includes software developed
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by the University of California, Berkeley and its contributors.'
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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Effective immediately, licensees and distributors are no longer required to
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include the acknowledgment within advertising materials. Accordingly, the
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foregoing paragraph of those BSD Unix files containing it is hereby deleted
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in its entirety.
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1. Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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William Hoskins
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2. Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and/or other materials provided with the distribution.
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Director, Office of Technology Licensing
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3. Neither the name of the copyright holder nor the names of its
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contributors may be used to endorse or promote products derived from this
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software without specific prior written permission.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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POSSIBILITY OF SUCH DAMAGE.
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University of California, Berkeley
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---------------------------------- Cider -----------------------------------
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@ -154,28 +147,25 @@ University of California, Berkeley
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documentation.
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---------------------------------- Spice3f5 --------------------------------
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---------------------------------- Xspice --------------------------------
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Copyright (c) 1985-1991 The Regents of the University of California.
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All rights reserved.
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THE SOFTWARE PROGRAMS BELOW ARE IN THE PUBLIC DOMAIN AND ARE PROVIDED FREE OF
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ANY CHARGE. THE GEORGIA TECH RESEARCH CORPORATION, THE GEORGIA INSTITUTE OF
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TECHNOLOGY, AND/OR OTHER PARTIES PROVIDE THIS SOFTWARE "AS IS" WITHOUT WARRANTY
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OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
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ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH THE USER.
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SHOULD THE PROGRAM PROVE DEFECTIVE, THE USER ASSUMES THE ENTIRE COST OF ALL
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NECESSARY SERVICING, REPAIR OR CORRECTION. IN NO EVENT WILL THE GEORGIA TECH
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RESEARCH CORPORATION, THE GEORGIA INSTITUTE OF TECHNOLOGY, AND/OR OTHER PARTIES
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PROVIDING THE PROGRAMS BELOW BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
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GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR
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INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA
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BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
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FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS).
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Permission is hereby granted, without written agreement and without license
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or royalty fees, to use, copy, modify, and distribute this software and its
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documentation for any purpose, provided that the above copyright notice and
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the following two paragraphs appear in all copies of this software.
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IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR
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DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT
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OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF
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CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,
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INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
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FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN
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"AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO PROVIDE
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MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.
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-------------------------------- Tclspice --------------------------------
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---------------------------------- others --------------------------------
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GNU LESSER GENERAL PUBLIC LICENSE
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Version 2.1, February 1999
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@ -234,7 +224,7 @@ modified by someone else and passed on, the recipients should know
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that what they have is not the original version, so that the original
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author's reputation will not be affected by problems that might be
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introduced by others.
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Finally, software patents pose a constant threat to the existence of
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any free program. We wish to make sure that a company cannot
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effectively restrict the users of a free program by obtaining a
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@ -290,7 +280,7 @@ modification follow. Pay close attention to the difference between a
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"work based on the library" and a "work that uses the library". The
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former contains code derived from the library, whereas the latter must
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be combined with the library in order to run.
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GNU LESSER GENERAL PUBLIC LICENSE
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TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
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@ -337,7 +327,7 @@ Library.
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You may charge a fee for the physical act of transferring a copy,
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and you may at your option offer warranty protection in exchange for a
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fee.
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2. You may modify your copy or copies of the Library or any portion
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of it, thus forming a work based on the Library, and copy and
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distribute such modifications or work under the terms of Section 1
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@ -395,7 +385,7 @@ instead of to this License. (If a newer version than version 2 of the
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ordinary GNU General Public License has appeared, then you can specify
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that version instead if you wish.) Do not make any other change in
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these notices.
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Once this change is made in a given copy, it is irreversible for
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that copy, so the ordinary GNU General Public License applies to all
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subsequent copies and derivative works made from that copy.
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@ -446,7 +436,7 @@ Library will still fall under Section 6.)
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distribute the object code for the work under the terms of Section 6.
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Any executables containing that work also fall under Section 6,
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whether or not they are linked directly with the Library itself.
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6. As an exception to the Sections above, you may also combine or
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link a "work that uses the Library" with the Library to produce a
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work containing portions of the Library, and distribute that work
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@ -508,7 +498,7 @@ restrictions of other proprietary libraries that do not normally
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accompany the operating system. Such a contradiction means you cannot
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use both them and the Library together in an executable that you
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distribute.
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7. You may place library facilities that are a work based on the
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Library side-by-side in a single library together with other library
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facilities not covered by this License, and distribute such a combined
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@ -549,7 +539,7 @@ subject to these terms and conditions. You may not impose any further
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restrictions on the recipients' exercise of the rights granted herein.
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You are not responsible for enforcing compliance by third parties with
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this License.
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11. If, as a consequence of a court judgment or allegation of patent
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infringement or for any other reason (not limited to patent issues),
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conditions are imposed on you (whether by court order, agreement or
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@ -601,7 +591,7 @@ conditions either of that version or of any later version published by
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the Free Software Foundation. If the Library does not specify a
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license version number, you may choose any version ever published by
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the Free Software Foundation.
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14. If you wish to incorporate parts of the Library into other free
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programs whose distribution conditions are incompatible with these,
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write to the author to ask for permission. For software which is
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@ -634,18 +624,14 @@ FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF
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SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH
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DAMAGES.
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---------------------------------- Xspice --------------------------------
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THE SOFTWARE PROGRAMS BELOW ARE IN THE PUBLIC DOMAIN AND ARE PROVIDED FREE OF
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ANY CHARGE. THE GEORGIA TECH RESEARCH CORPORATION, THE GEORGIA INSTITUTE OF
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TECHNOLOGY, AND/OR OTHER PARTIES PROVIDE THIS SOFTWARE "AS IS" WITHOUT WARRANTY
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OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
|
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IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE
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ENTIRE RISK AS TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH THE USER.
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SHOULD THE PROGRAM PROVE DEFECTIVE, THE USER ASSUMES THE ENTIRE COST OF ALL
|
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NECESSARY SERVICING, REPAIR OR CORRECTION. IN NO EVENT WILL THE GEORGIA TECH
|
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RESEARCH CORPORATION, THE GEORGIA INSTITUTE OF TECHNOLOGY, AND/OR OTHER PARTIES
|
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PROVIDING THE PROGRAMS BELOW BE LIABLE TO YOU FOR DAMAGES, INCLUDING ANY
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GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR
|
||||
INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA
|
||||
BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A
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FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER PROGRAMS).
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----------------------------------- m4 -------------------------------------
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LICENSE
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Copyright (c) 2008 Paolo Bonzini <bonzini@gnu.org>
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Copying and distribution of this file, with or without modification, are
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permitted in any medium without royalty provided the copyright notice
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and this notice are preserved. This file is offered as-is, without any
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warranty.
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