b91e2391 |
1 | @c This LGPL is meant to be included from other files. |
2 | @c To format a standalone LGPL, use liblic.texi. |
3 | |
4 | @ifset lgpl-appendix |
5 | @appendix GNU LIBRARY GENERAL PUBLIC LICENSE |
6 | @end ifset |
7 | |
8 | @ifclear lgpl-appendix |
9 | @unnumbered GNU LIBRARY GENERAL PUBLIC LICENSE |
10 | @end ifclear |
11 | @center Version 2, June 1991 |
12 | |
13 | @display |
14 | Copyright @copyright{} 1991 Free Software Foundation, Inc. |
15 | 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA |
16 | |
17 | Everyone is permitted to copy and distribute verbatim copies |
18 | of this license document, but changing it is not allowed. |
19 | |
20 | [This is the first released version of the library GPL. It is |
21 | numbered 2 because it goes with version 2 of the ordinary GPL.] |
22 | @end display |
23 | |
24 | @unnumberedsec Preamble |
25 | |
26 | The licenses for most software are designed to take away your |
27 | freedom to share and change it. By contrast, the GNU General Public |
28 | Licenses are intended to guarantee your freedom to share and change |
29 | free software---to make sure the software is free for all its users. |
30 | |
31 | This license, the Library General Public License, applies to some |
32 | specially designated Free Software Foundation software, and to any |
33 | other libraries whose authors decide to use it. You can use it for |
34 | your libraries, too. |
35 | |
36 | When we speak of free software, we are referring to freedom, not |
37 | price. Our General Public Licenses are designed to make sure that you |
38 | have the freedom to distribute copies of free software (and charge for |
39 | this service if you wish), that you receive source code or can get it |
40 | if you want it, that you can change the software or use pieces of it |
41 | in new free programs; and that you know you can do these things. |
42 | |
43 | To protect your rights, we need to make restrictions that forbid |
44 | anyone to deny you these rights or to ask you to surrender the rights. |
45 | These restrictions translate to certain responsibilities for you if |
46 | you distribute copies of the library, or if you modify it. |
47 | |
48 | For example, if you distribute copies of the library, whether gratis |
49 | or for a fee, you must give the recipients all the rights that we gave |
50 | you. You must make sure that they, too, receive or can get the source |
51 | code. If you link a program with the library, you must provide |
52 | complete object files to the recipients so that they can relink them |
53 | with the library, after making changes to the library and recompiling |
54 | it. And you must show them these terms so they know their rights. |
55 | |
56 | Our method of protecting your rights has two steps: (1) copyright |
57 | the library, and (2) offer you this license which gives you legal |
58 | permission to copy, distribute and/or modify the library. |
59 | |
60 | Also, for each distributor's protection, we want to make certain |
61 | that everyone understands that there is no warranty for this free |
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65 | the original authors' reputations. |
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72 | free use or not licensed at all. |
73 | |
74 | Most GNU software, including some libraries, is covered by the ordinary |
75 | GNU General Public License, which was designed for utility programs. This |
76 | license, the GNU Library General Public License, applies to certain |
77 | designated libraries. This license is quite different from the ordinary |
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89 | |
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91 | Public License for libraries did not effectively promote software |
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93 | concluded that weaker conditions might promote sharing better. |
94 | |
95 | However, unrestricted linking of non-free programs would deprive the |
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99 | preserving your freedom as a user of such programs to change the free |
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103 | will lead to faster development of free libraries. |
104 | |
105 | The precise terms and conditions for copying, distribution and |
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109 | works together with the library. |
110 | |
111 | Note that it is possible for a library to be covered by the ordinary |
112 | General Public License rather than by this special one. |
113 | |
114 | @iftex |
115 | @unnumberedsec TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION |
116 | @end iftex |
117 | @ifinfo |
118 | @center TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION |
119 | @end ifinfo |
120 | |
121 | @enumerate 0 |
122 | @item |
123 | This License Agreement applies to any software library which |
124 | contains a notice placed by the copyright holder or other authorized |
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128 | |
129 | A ``library'' means a collection of software functions and/or data |
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fcc208c5 |
154 | |
b91e2391 |
155 | @item |
156 | You may copy and distribute verbatim copies of the Library's |
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176 | The modified work must itself be a software library. |
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179 | You must cause the files modified to carry prominent notices |
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191 | in the event an application does not supply such function or |
192 | table, the facility still operates, and performs whatever part of |
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195 | (For example, a function in a library to compute square roots has |
196 | a purpose that is entirely well-defined independent of the |
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198 | application-supplied function or table used by this function must |
199 | be optional: if the application does not supply it, the square |
200 | root function must still compute square roots.) |
201 | @end enumerate |
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223 | |
224 | @item |
225 | You may opt to apply the terms of the ordinary GNU General Public |
226 | License instead of this License to a given copy of the Library. To do |
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239 | the Library into a program that is not a library. |
240 | |
241 | @item |
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262 | However, linking a ``work that uses the Library'' with the Library |
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285 | whether or not they are linked directly with the Library itself. |
286 | |
287 | @item |
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304 | @item |
305 | Accompany the work with the complete corresponding |
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315 | to use the modified definitions.) |
316 | |
317 | @item |
318 | Accompany the work with a written offer, valid for at |
319 | least three years, to give the same user the materials |
320 | specified in Subsection 6a, above, for a charge no more |
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326 | specified materials from the same place. |
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328 | @item |
329 | Verify that the user has already received a copy of these |
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331 | @end enumerate |
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347 | |
348 | @item |
349 | You may place library facilities that are a work based on the |
350 | Library side-by-side in a single library together with other library |
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352 | library, provided that the separate distribution of the work based on |
353 | the Library and of the other library facilities is otherwise |
354 | permitted, and provided that you do these two things: |
355 | |
356 | @enumerate a |
357 | @item |
358 | Accompany the combined library with a copy of the same work |
359 | based on the Library, uncombined with any other library |
360 | facilities. This must be distributed under the terms of the |
361 | Sections above. |
362 | |
363 | @item |
364 | Give prominent notice with the combined library of the fact |
365 | that part of it is a work based on the Library, and explaining |
366 | where to find the accompanying uncombined form of the same work. |
367 | @end enumerate |
368 | |
369 | @item |
370 | You may not copy, modify, sublicense, link with, or distribute |
371 | the Library except as expressly provided under this License. Any |
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378 | @item |
379 | You are not required to accept this License, since you have not |
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388 | @item |
389 | Each time you redistribute the Library (or any work based on the |
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397 | @item |
398 | If, as a consequence of a court judgment or allegation of patent |
399 | infringement or for any other reason (not limited to patent issues), |
400 | conditions are imposed on you (whether by court order, agreement or |
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413 | and the section as a whole is intended to apply in other circumstances. |
414 | |
415 | It is not the purpose of this section to induce you to infringe any |
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423 | to distribute software through any other system and a licensee cannot |
424 | impose that choice. |
425 | |
426 | This section is intended to make thoroughly clear what is believed to |
427 | be a consequence of the rest of this License. |
428 | |
429 | @item |
430 | If the distribution and/or use of the Library is restricted in |
431 | certain countries either by patents or by copyrighted interfaces, the |
432 | original copyright holder who places the Library under this License may add |
433 | an explicit geographical distribution limitation excluding those countries, |
434 | so that distribution is permitted only in or among countries not thus |
435 | excluded. In such case, this License incorporates the limitation as if |
436 | written in the body of this License. |
437 | |
438 | @item |
439 | The Free Software Foundation may publish revised and/or new |
440 | versions of the Library General Public License from time to time. |
441 | Such new versions will be similar in spirit to the present version, |
442 | but may differ in detail to address new problems or concerns. |
443 | |
444 | Each version is given a distinguishing version number. If the Library |
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447 | conditions either of that version or of any later version published by |
448 | the Free Software Foundation. If the Library does not specify a |
449 | license version number, you may choose any version ever published by |
450 | the Free Software Foundation. |
451 | |
452 | @item |
453 | If you wish to incorporate parts of the Library into other free |
454 | programs whose distribution conditions are incompatible with these, |
455 | write to the author to ask for permission. For software which is |
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459 | of all derivatives of our free software and of promoting the sharing |
460 | and reuse of software generally. |
461 | |
d29994fb |
462 | @center @b{NO WARRANTY} |
b91e2391 |
463 | |
464 | @item |
465 | BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO |
466 | WARRANTY FOR THE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW. |
467 | EXCEPT WHEN OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR |
468 | OTHER PARTIES PROVIDE THE LIBRARY ``AS IS'' WITHOUT WARRANTY OF ANY |
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472 | LIBRARY IS WITH YOU. SHOULD THE LIBRARY PROVE DEFECTIVE, YOU ASSUME |
473 | THE COST OF ALL NECESSARY SERVICING, REPAIR OR CORRECTION. |
474 | |
475 | @item |
476 | IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN |
477 | WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY |
478 | AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU |
479 | FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR |
480 | CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE |
481 | LIBRARY (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING |
482 | RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A |
483 | FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF |
484 | SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
485 | DAMAGES. |
486 | @end enumerate |
487 | |
488 | @iftex |
489 | @heading END OF TERMS AND CONDITIONS |
490 | @end iftex |
491 | @ifinfo |
492 | @center END OF TERMS AND CONDITIONS |
493 | @end ifinfo |
494 | |
495 | @page |
496 | @unnumberedsec How to Apply These Terms to Your New Libraries |
497 | |
498 | If you develop a new library, and you want it to be of the greatest |
499 | possible use to the public, we recommend making it free software that |
500 | everyone can redistribute and change. You can do so by permitting |
501 | redistribution under these terms (or, alternatively, under the terms of the |
502 | ordinary General Public License). |
503 | |
504 | To apply these terms, attach the following notices to the library. It is |
505 | safest to attach them to the start of each source file to most effectively |
506 | convey the exclusion of warranty; and each file should have at least the |
507 | ``copyright'' line and a pointer to where the full notice is found. |
508 | |
509 | @smallexample |
510 | @var{one line to give the library's name and an idea of what it does.} |
511 | Copyright (C) @var{year} @var{name of author} |
512 | |
513 | This library is free software; you can redistribute it and/or |
514 | modify it under the terms of the GNU Library General Public |
515 | License as published by the Free Software Foundation; either |
516 | version 2 of the License, or (at your option) any later version. |
517 | |
518 | This library is distributed in the hope that it will be useful, |
519 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
520 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
521 | Library General Public License for more details. |
522 | |
523 | You should have received a copy of the GNU Library General Public |
524 | License along with this library; if not, write to the |
525 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, Cambridge, |
526 | MA 02139, USA. |
527 | @end smallexample |
528 | |
529 | Also add information on how to contact you by electronic and paper mail. |
530 | |
531 | You should also get your employer (if you work as a programmer) or your |
532 | school, if any, to sign a ``copyright disclaimer'' for the library, if |
533 | necessary. Here is a sample; alter the names: |
534 | |
535 | @example |
536 | Yoyodyne, Inc., hereby disclaims all copyright interest in |
537 | the library `Frob' (a library for tweaking knobs) written |
538 | by James Random Hacker. |
539 | |
540 | @var{signature of Ty Coon}, 1 April 1990 |
541 | Ty Coon, President of Vice |
542 | @end example |
543 | |
544 | That's all there is to it! |