[14] | 1 | |
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| 2 | GNU LIBRARY GENERAL PUBLIC LICENSE |
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| 3 | Version 2, June 1991 |
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| 4 | |
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| 5 | Copyright (C) 1991 Free Software Foundation, Inc. |
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| 6 | 675 Mass Ave, Cambridge, MA 02139, USA |
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| 7 | Everyone is permitted to copy and distribute verbatim copies |
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| 8 | of this license document, but changing it is not allowed. |
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| 9 | |
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| 10 | [This is the first released version of the library GPL. It is |
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| 11 | numbered 2 because it goes with version 2 of the ordinary GPL.] |
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| 12 | |
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| 13 | Preamble |
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| 14 | |
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| 15 | The licenses for most software are designed to take away your |
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| 16 | freedom to share and change it. By contrast, the GNU General Public |
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| 17 | Licenses are intended to guarantee your freedom to share and change |
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| 18 | free software--to make sure the software is free for all its users. |
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| 19 | |
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| 20 | This license, the Library General Public License, applies to some |
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| 21 | specially designated Free Software Foundation software, and to any |
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| 22 | other libraries whose authors decide to use it. You can use it for |
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| 23 | your libraries, too. |
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| 24 | |
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| 25 | When we speak of free software, we are referring to freedom, not |
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| 26 | price. Our General Public Licenses are designed to make sure that you |
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| 27 | have the freedom to distribute copies of free software (and charge for |
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| 28 | this service if you wish), that you receive source code or can get it |
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| 29 | if you want it, that you can change the software or use pieces of it |
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| 30 | in new free programs; and that you know you can do these things. |
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| 31 | |
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| 32 | To protect your rights, we need to make restrictions that forbid |
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| 33 | anyone to deny you these rights or to ask you to surrender the rights. |
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| 34 | These restrictions translate to certain responsibilities for you if |
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| 35 | you distribute copies of the library, or if you modify it. |
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| 36 | |
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| 37 | For example, if you distribute copies of the library, whether gratis |
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| 38 | or for a fee, you must give the recipients all the rights that we gave |
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| 39 | you. You must make sure that they, too, receive or can get the source |
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| 40 | code. If you link a program with the library, you must provide |
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| 41 | complete object files to the recipients so that they can relink them |
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| 42 | with the library, after making changes to the library and recompiling |
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| 43 | it. And you must show them these terms so they know their rights. |
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| 44 | |
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| 45 | Our method of protecting your rights has two steps: (1) copyright |
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| 46 | the library, and (2) offer you this license which gives you legal |
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| 47 | permission to copy, distribute and/or modify the library. |
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| 48 | |
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| 49 | Also, for each distributor's protection, we want to make certain |
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| 61 | free use or not licensed at all. |
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| 62 | |
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| 63 | Most GNU software, including some libraries, is covered by the ordinary |
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| 64 | GNU General Public License, which was designed for utility programs. This |
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| 65 | license, the GNU Library General Public License, applies to certain |
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| 66 | designated libraries. This license is quite different from the ordinary |
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| 67 | one; be sure to read it in full, and don't assume that anything in it is |
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| 68 | the same as in the ordinary license. |
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| 69 | |
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| 75 | a textual and legal sense, the linked executable is a combined work, a |
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| 76 | derivative of the original library, and the ordinary General Public License |
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| 77 | treats it as such. |
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| 78 | |
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| 79 | Because of this blurred distinction, using the ordinary General |
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| 80 | Public License for libraries did not effectively promote software |
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| 81 | sharing, because most developers did not use the libraries. We |
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| 83 | |
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| 84 | However, unrestricted linking of non-free programs would deprive the |
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| 85 | users of those programs of all benefit from the free status of the |
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| 99 | |
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| 100 | Note that it is possible for a library to be covered by the ordinary |
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| 102 | |
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| 103 | GNU LIBRARY GENERAL PUBLIC LICENSE |
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| 104 | TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION |
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| 106 | 0. This License Agreement applies to any software library which |
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| 313 | 7. You may place library facilities that are a work based on the |
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| 393 | 13. The Free Software Foundation may publish revised and/or new |
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| 406 | 14. If you wish to incorporate parts of the Library into other free |
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| 415 | NO WARRANTY |
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| 417 | 15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO |
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| 427 | 16. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN |
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| 428 | WRITING WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY |
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| 429 | AND/OR REDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU |
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| 430 | FOR DAMAGES, INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR |
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| 431 | CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OR INABILITY TO USE THE |
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| 432 | LIBRARY (INCLUDING BUT NOT LIMITED TO LOSS OF DATA OR DATA BEING |
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| 433 | RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU OR THIRD PARTIES OR A |
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| 434 | FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHER SOFTWARE), EVEN IF |
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| 435 | SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH |
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| 436 | DAMAGES. |
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| 437 | |
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| 438 | END OF TERMS AND CONDITIONS |
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| 439 | |
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| 440 | Appendix: How to Apply These Terms to Your New Libraries |
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| 441 | |
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| 442 | If you develop a new library, and you want it to be of the greatest |
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| 443 | possible use to the public, we recommend making it free software that |
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| 444 | everyone can redistribute and change. You can do so by permitting |
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| 445 | redistribution under these terms (or, alternatively, under the terms of the |
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| 446 | ordinary General Public License). |
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| 447 | |
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| 448 | To apply these terms, attach the following notices to the library. It is |
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| 449 | safest to attach them to the start of each source file to most effectively |
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| 450 | convey the exclusion of warranty; and each file should have at least the |
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| 451 | "copyright" line and a pointer to where the full notice is found. |
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| 452 | |
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| 453 | <one line to give the library's name and a brief idea of what it does.> |
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| 454 | Copyright (C) <year> <name of author> |
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| 455 | |
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| 456 | This library is free software; you can redistribute it and/or |
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| 457 | modify it under the terms of the GNU Library General Public |
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| 458 | License as published by the Free Software Foundation; either |
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| 459 | version 2 of the License, or (at your option) any later version. |
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| 460 | |
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| 461 | This library is distributed in the hope that it will be useful, |
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| 462 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 463 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 464 | Library General Public License for more details. |
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| 465 | |
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| 466 | You should have received a copy of the GNU Library General Public |
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| 467 | License along with this library; if not, write to the Free |
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| 468 | Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. |
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| 469 | |
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| 470 | Also add information on how to contact you by electronic and paper mail. |
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| 471 | |
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| 472 | You should also get your employer (if you work as a programmer) or your |
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| 473 | school, if any, to sign a "copyright disclaimer" for the library, if |
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| 474 | necessary. Here is a sample; alter the names: |
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| 475 | |
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| 476 | Yoyodyne, Inc., hereby disclaims all copyright interest in the |
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| 477 | library `Frob' (a library for tweaking knobs) written by James Random Hacker. |
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| 478 | |
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| 479 | <signature of Ty Coon>, 1 April 1990 |
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| 480 | Ty Coon, President of Vice |
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| 481 | |
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| 482 | That's all there is to it! |
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| 483 | |
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