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1  ------------------------------------------------------------------------------                    GNU LESSER GENERAL PUBLIC LICENSE
2  NOTE:                         Version 2.1, February 1999
 Some code of the Twin package was modified for DOSEMU by the DOSEMU-team.  
 The original is 'Copyright 1997 Willows Software, Inc.' and generously  
 was put under the GNU Library General Public License.  
 ( for more information see http://www.willows.com/ )  
   
 We make use of section 3 of the GNU Library General Public License  
 ('...opt to apply the terms of the ordinary GNU General Public License...'),  
 because the resulting product is an integrated part of DOSEMU and  
 can not be considered to be a 'library' in the terms of Library License.  
   
 Therefore, the below GNU LIBRARY GENERAL PUBLIC LICENSE applies only to the  
 _unchanged_ Twin package from Willows. For the DOSEMU-changed parts the normal  
 GNU GENERAL PUBLIC LICENSE applies. This GPL (file COPYING) can be found in  
 the root directory of the DOSEMU distribution.  
   
 The act of transformation to GPL was indicated to the maintainer of the Twin  
 package (Rob Penrose <rob@Canopy.Com>) and he acknowledge agreement.  
   
 Nov. 1 1997, The DOSEMU team.  
   
 ------------------------------------------------------------------------------  
                   GNU LIBRARY GENERAL PUBLIC LICENSE  
                        Version 2, June 1991  
3    
4   Copyright (C) 1991 Free Software Foundation, Inc.   Copyright (C) 1991, 1999 Free Software Foundation, Inc.
5                      675 Mass Ave, Cambridge, MA 02139, USA       59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
6   Everyone is permitted to copy and distribute verbatim copies   Everyone is permitted to copy and distribute verbatim copies
7   of this license document, but changing it is not allowed.   of this license document, but changing it is not allowed.
8    
9  [This is the first released version of the library GPL.  It is  [This is the first released version of the Lesser GPL.  It also counts
10   numbered 2 because it goes with version 2 of the ordinary GPL.]   as the successor of the GNU Library Public License, version 2, hence
11     the version number 2.1.]
12    
13                              Preamble                              Preamble
14    
# Line 39  freedom to share and change it.  By cont Line 17  freedom to share and change it.  By cont
17  Licenses are intended to guarantee your freedom to share and change  Licenses are intended to guarantee your freedom to share and change
18  free software--to make sure the software is free for all its users.  free software--to make sure the software is free for all its users.
19    
20    This license, the Library General Public License, applies to some    This license, the Lesser General Public License, applies to some
21  specially designated Free Software Foundation software, and to any  specially designated software packages--typically libraries--of the
22  other libraries whose authors decide to use it.  You can use it for  Free Software Foundation and other authors who decide to use it.  You
23  your libraries, too.  can use it too, but we suggest you first think carefully about whether
24    this license or the ordinary General Public License is the better
25    When we speak of free software, we are referring to freedom, not  strategy to use in any particular case, based on the explanations below.
26  price.  Our General Public Licenses are designed to make sure that you  
27  have the freedom to distribute copies of free software (and charge for    When we speak of free software, we are referring to freedom of use,
28  this service if you wish), that you receive source code or can get it  not price.  Our General Public Licenses are designed to make sure that
29  if you want it, that you can change the software or use pieces of it  you have the freedom to distribute copies of free software (and charge
30  in new free programs; and that you know you can do these things.  for this service if you wish); that you receive source code or can get
31    it if you want it; that you can change the software and use pieces of
32    it in new free programs; and that you are informed that you can do
33    these things.
34    
35    To protect your rights, we need to make restrictions that forbid    To protect your rights, we need to make restrictions that forbid
36  anyone to deny you these rights or to ask you to surrender the rights.  distributors to deny you these rights or to ask you to surrender these
37  These restrictions translate to certain responsibilities for you if  rights.  These restrictions translate to certain responsibilities for
38  you distribute copies of the library, or if you modify it.  you if you distribute copies of the library or if you modify it.
39    
40    For example, if you distribute copies of the library, whether gratis    For example, if you distribute copies of the library, whether gratis
41  or for a fee, you must give the recipients all the rights that we gave  or for a fee, you must give the recipients all the rights that we gave
42  you.  You must make sure that they, too, receive or can get the source  you.  You must make sure that they, too, receive or can get the source
43  code.  If you link a program with the library, you must provide  code.  If you link other code with the library, you must provide
44  complete object files to the recipients so that they can relink them  complete object files to the recipients, so that they can relink them
45  with the library, after making changes to the library and recompiling  with the library after making changes to the library and recompiling
46  it.  And you must show them these terms so they know their rights.  it.  And you must show them these terms so they know their rights.
47    
48    Our method of protecting your rights has two steps: (1) copyright    We protect your rights with a two-step method: (1) we copyright the
49  the library, and (2) offer you this license which gives you legal  library, and (2) we offer you this license, which gives you legal
50  permission to copy, distribute and/or modify the library.  permission to copy, distribute and/or modify the library.
51    
52    Also, for each distributor's protection, we want to make certain    To protect each distributor, we want to make it very clear that
53  that everyone understands that there is no warranty for this free  there is no warranty for the free library.  Also, if the library is
54  library.  If the library is modified by someone else and passed on, we  modified by someone else and passed on, the recipients should know
55  want its recipients to know that what they have is not the original  that what they have is not the original version, so that the original
56  version, so that any problems introduced by others will not reflect on  author's reputation will not be affected by problems that might be
57  the original authors' reputations.  introduced by others.
58    
59    Finally, any free program is threatened constantly by software    Finally, software patents pose a constant threat to the existence of
60  patents.  We wish to avoid the danger that companies distributing free  any free program.  We wish to make sure that a company cannot
61  software will individually obtain patent licenses, thus in effect  effectively restrict the users of a free program by obtaining a
62  transforming the program into proprietary software.  To prevent this,  restrictive license from a patent holder.  Therefore, we insist that
63  we have made it clear that any patent must be licensed for everyone's  any patent license obtained for a version of the library must be
64  free use or not licensed at all.  consistent with the full freedom of use specified in this license.
65    
66    Most GNU software, including some libraries, is covered by the ordinary    Most GNU software, including some libraries, is covered by the
67  GNU General Public License, which was designed for utility programs.  This  ordinary GNU General Public License.  This license, the GNU Lesser
68  license, the GNU Library General Public License, applies to certain  General Public License, applies to certain designated libraries, and
69  designated libraries.  This license is quite different from the ordinary  is quite different from the ordinary General Public License.  We use
70  one; be sure to read it in full, and don't assume that anything in it is  this license for certain libraries in order to permit linking those
71  the same as in the ordinary license.  libraries into non-free programs.
72    
73    The reason we have a separate public license for some libraries is that    When a program is linked with a library, whether statically or using
74  they blur the distinction we usually make between modifying or adding to a  a shared library, the combination of the two is legally speaking a
75  program and simply using it.  Linking a program with a library, without  combined work, a derivative of the original library.  The ordinary
76  changing the library, is in some sense simply using the library, and is  General Public License therefore permits such linking only if the
77  analogous to running a utility program or application program.  However, in  entire combination fits its criteria of freedom.  The Lesser General
78  a textual and legal sense, the linked executable is a combined work, a  Public License permits more lax criteria for linking other code with
79  derivative of the original library, and the ordinary General Public License  the library.
80  treats it as such.  
81      We call this license the "Lesser" General Public License because it
82    Because of this blurred distinction, using the ordinary General  does Less to protect the user's freedom than the ordinary General
83  Public License for libraries did not effectively promote software  Public License.  It also provides other free software developers Less
84  sharing, because most developers did not use the libraries.  We  of an advantage over competing non-free programs.  These disadvantages
85  concluded that weaker conditions might promote sharing better.  are the reason we use the ordinary General Public License for many
86    libraries.  However, the Lesser license provides advantages in certain
87    However, unrestricted linking of non-free programs would deprive the  special circumstances.
88  users of those programs of all benefit from the free status of the  
89  libraries themselves.  This Library General Public License is intended to    For example, on rare occasions, there may be a special need to
90  permit developers of non-free programs to use free libraries, while  encourage the widest possible use of a certain library, so that it becomes
91  preserving your freedom as a user of such programs to change the free  a de-facto standard.  To achieve this, non-free programs must be
92  libraries that are incorporated in them.  (We have not seen how to achieve  allowed to use the library.  A more frequent case is that a free
93  this as regards changes in header files, but we have achieved it as regards  library does the same job as widely used non-free libraries.  In this
94  changes in the actual functions of the Library.)  The hope is that this  case, there is little to gain by limiting the free library to free
95  will lead to faster development of free libraries.  software only, so we use the Lesser General Public License.
96    
97      In other cases, permission to use a particular library in non-free
98    programs enables a greater number of people to use a large body of
99    free software.  For example, permission to use the GNU C Library in
100    non-free programs enables many more people to use the whole GNU
101    operating system, as well as its variant, the GNU/Linux operating
102    system.
103    
104      Although the Lesser General Public License is Less protective of the
105    users' freedom, it does ensure that the user of a program that is
106    linked with the Library has the freedom and the wherewithal to run
107    that program using a modified version of the Library.
108    
109    The precise terms and conditions for copying, distribution and    The precise terms and conditions for copying, distribution and
110  modification follow.  Pay close attention to the difference between a  modification follow.  Pay close attention to the difference between a
111  "work based on the library" and a "work that uses the library".  The  "work based on the library" and a "work that uses the library".  The
112  former contains code derived from the library, while the latter only  former contains code derived from the library, whereas the latter must
113  works together with the library.  be combined with the library in order to run.
   
   Note that it is possible for a library to be covered by the ordinary  
 General Public License rather than by this special one.  
114    
115                    GNU LIBRARY GENERAL PUBLIC LICENSE                    GNU LESSER GENERAL PUBLIC LICENSE
116     TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION     TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
117    
118    0. This License Agreement applies to any software library which    0. This License Agreement applies to any software library or other
119  contains a notice placed by the copyright holder or other authorized  program which contains a notice placed by the copyright holder or
120  party saying it may be distributed under the terms of this Library  other authorized party saying it may be distributed under the terms of
121  General Public License (also called "this License").  Each licensee is  this Lesser General Public License (also called "this License").
122  addressed as "you".  Each licensee is addressed as "you".
123    
124    A "library" means a collection of software functions and/or data    A "library" means a collection of software functions and/or data
125  prepared so as to be conveniently linked with application programs  prepared so as to be conveniently linked with application programs
# Line 278  distribute the object code for the work Line 268  distribute the object code for the work
268  Any executables containing that work also fall under Section 6,  Any executables containing that work also fall under Section 6,
269  whether or not they are linked directly with the Library itself.  whether or not they are linked directly with the Library itself.
270    
271    6. As an exception to the Sections above, you may also compile or    6. As an exception to the Sections above, you may also combine or
272  link a "work that uses the Library" with the Library to produce a  link a "work that uses the Library" with the Library to produce a
273  work containing portions of the Library, and distribute that work  work containing portions of the Library, and distribute that work
274  under terms of your choice, provided that the terms permit  under terms of your choice, provided that the terms permit
# Line 305  of these things: Line 295  of these things:
295      Library will not necessarily be able to recompile the application      Library will not necessarily be able to recompile the application
296      to use the modified definitions.)      to use the modified definitions.)
297    
298      b) Accompany the work with a written offer, valid for at      b) Use a suitable shared library mechanism for linking with the
299        Library.  A suitable mechanism is one that (1) uses at run time a
300        copy of the library already present on the user's computer system,
301        rather than copying library functions into the executable, and (2)
302        will operate properly with a modified version of the library, if
303        the user installs one, as long as the modified version is
304        interface-compatible with the version that the work was made with.
305    
306        c) Accompany the work with a written offer, valid for at
307      least three years, to give the same user the materials      least three years, to give the same user the materials
308      specified in Subsection 6a, above, for a charge no more      specified in Subsection 6a, above, for a charge no more
309      than the cost of performing this distribution.      than the cost of performing this distribution.
310    
311      c) If distribution of the work is made by offering access to copy      d) If distribution of the work is made by offering access to copy
312      from a designated place, offer equivalent access to copy the above      from a designated place, offer equivalent access to copy the above
313      specified materials from the same place.      specified materials from the same place.
314    
315      d) Verify that the user has already received a copy of these      e) Verify that the user has already received a copy of these
316      materials or that you have already sent this user a copy.      materials or that you have already sent this user a copy.
317    
318    For an executable, the required form of the "work that uses the    For an executable, the required form of the "work that uses the
319  Library" must include any data and utility programs needed for  Library" must include any data and utility programs needed for
320  reproducing the executable from it.  However, as a special exception,  reproducing the executable from it.  However, as a special exception,
321  the source code distributed need not include anything that is normally  the materials to be distributed need not include anything that is
322  distributed (in either source or binary form) with the major  normally distributed (in either source or binary form) with the major
323  components (compiler, kernel, and so on) of the operating system on  components (compiler, kernel, and so on) of the operating system on
324  which the executable runs, unless that component itself accompanies  which the executable runs, unless that component itself accompanies
325  the executable.  the executable.
# Line 370  Library), the recipient automatically re Line 368  Library), the recipient automatically re
368  original licensor to copy, distribute, link with or modify the Library  original licensor to copy, distribute, link with or modify the Library
369  subject to these terms and conditions.  You may not impose any further  subject to these terms and conditions.  You may not impose any further
370  restrictions on the recipients' exercise of the rights granted herein.  restrictions on the recipients' exercise of the rights granted herein.
371  You are not responsible for enforcing compliance by third parties to  You are not responsible for enforcing compliance by third parties with
372  this License.  this License.
373    
374    11. If, as a consequence of a court judgment or allegation of patent    11. If, as a consequence of a court judgment or allegation of patent
# Line 413  excluded.  In such case, this License in Line 411  excluded.  In such case, this License in
411  written in the body of this License.  written in the body of this License.
412    
413    13. The Free Software Foundation may publish revised and/or new    13. The Free Software Foundation may publish revised and/or new
414  versions of the Library General Public License from time to time.  versions of the Lesser General Public License from time to time.
415  Such new versions will be similar in spirit to the present version,  Such new versions will be similar in spirit to the present version,
416  but may differ in detail to address new problems or concerns.  but may differ in detail to address new problems or concerns.
417    
# Line 459  DAMAGES. Line 457  DAMAGES.
457    
458                       END OF TERMS AND CONDITIONS                       END OF TERMS AND CONDITIONS
459    
460       Appendix: How to Apply These Terms to Your New Libraries             How to Apply These Terms to Your New Libraries
461    
462    If you develop a new library, and you want it to be of the greatest    If you develop a new library, and you want it to be of the greatest
463  possible use to the public, we recommend making it free software that  possible use to the public, we recommend making it free software that
# Line 476  convey the exclusion of warranty; and ea Line 474  convey the exclusion of warranty; and ea
474      Copyright (C) <year>  <name of author>      Copyright (C) <year>  <name of author>
475    
476      This library is free software; you can redistribute it and/or      This library is free software; you can redistribute it and/or
477      modify it under the terms of the GNU Library General Public      modify it under the terms of the GNU Lesser General Public
478      License as published by the Free Software Foundation; either      License as published by the Free Software Foundation; either
479      version 2 of the License, or (at your option) any later version.      version 2 of the License, or (at your option) any later version.
480    
481      This library is distributed in the hope that it will be useful,      This library is distributed in the hope that it will be useful,
482      but WITHOUT ANY WARRANTY; without even the implied warranty of      but WITHOUT ANY WARRANTY; without even the implied warranty of
483      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU      MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
484      Library General Public License for more details.      Lesser General Public License for more details.
485    
486      You should have received a copy of the GNU Library General Public      You should have received a copy of the GNU Lesser General Public
487      License along with this library; if not, write to the Free      License along with this library; if not, write to the Free Software
488      Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.      Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
489    
490  Also add information on how to contact you by electronic and paper mail.  Also add information on how to contact you by electronic and paper mail.
491    
# Line 502  necessary.  Here is a sample; alter the Line 500  necessary.  Here is a sample; alter the
500    Ty Coon, President of Vice    Ty Coon, President of Vice
501    
502  That's all there is to it!  That's all there is to it!
503    
504    

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