1 Valid-License-Identifier: GPL-2.0
2 Valid-License-Identifier: GPL-2.0-only
3 Valid-License-Identifier: GPL-2.0+
4 Valid-License-Identifier: GPL-2.0-or-later
5 SPDX-URL: https://spdx.org/licenses/GPL-2.0.ht
6 Usage-Guide:
7 To use this license in source code, put one
8 tag/value pairs into a comment according to
9 guidelines in the licensing rules documentat
10 For 'GNU General Public License (GPL) versio
11 SPDX-License-Identifier: GPL-2.0
12 or
13 SPDX-License-Identifier: GPL-2.0-only
14 For 'GNU General Public License (GPL) versio
15 SPDX-License-Identifier: GPL-2.0+
16 or
17 SPDX-License-Identifier: GPL-2.0-or-later
18 License-Text:
19
20 GNU GENERAL PUBLIC LICENSE
21 Version 2, June 1991
22
23 Copyright (C) 1989, 1991 Free Software Founda
24 51 Franklin St, Fifth F
25 Everyone is permitted to copy and distribute
26 of this license document, but changing it is
27
28 Preamble
29
30 The licenses for most software are designed
31 freedom to share and change it. By contrast,
32 License is intended to guarantee your freedom
33 software--to make sure the software is free fo
34 General Public License applies to most of the
35 Foundation's software and to any other program
36 using it. (Some other Free Software Foundatio
37 the GNU Library General Public License instead
38 your programs, too.
39
40 When we speak of free software, we are refer
41 price. Our General Public Licenses are design
42 have the freedom to distribute copies of free
43 this service if you wish), that you receive so
44 if you want it, that you can change the softwa
45 in new free programs; and that you know you ca
46
47 To protect your rights, we need to make rest
48 anyone to deny you these rights or to ask you
49 These restrictions translate to certain respon
50 distribute copies of the software, or if you m
51
52 For example, if you distribute copies of suc
53 gratis or for a fee, you must give the recipie
54 you have. You must make sure that they, too,
55 source code. And you must show them these ter
56 rights.
57
58 We protect your rights with two steps: (1) c
59 (2) offer you this license which gives you leg
60 distribute and/or modify the software.
61
62 Also, for each author's protection and ours,
63 that everyone understands that there is no war
64 software. If the software is modified by some
65 want its recipients to know that what they hav
66 that any problems introduced by others will no
67 authors' reputations.
68
69 Finally, any free program is threatened cons
70 patents. We wish to avoid the danger that red
71 program will individually obtain patent licens
72 program proprietary. To prevent this, we have
73 patent must be licensed for everyone's free us
74
75 The precise terms and conditions for copying
76 modification follow.
77
78 GNU GENERAL PUBLIC LICENSE
79 TERMS AND CONDITIONS FOR COPYING, DISTRIBUT
80
81 0. This License applies to any program or ot
82 a notice placed by the copyright holder saying
83 under the terms of this General Public License
84 refers to any such program or work, and a "wor
85 means either the Program or any derivative wor
86 that is to say, a work containing the Program
87 either verbatim or with modifications and/or t
88 language. (Hereinafter, translation is includ
89 the term "modification".) Each licensee is ad
90
91 Activities other than copying, distribution an
92 covered by this License; they are outside its
93 running the Program is not restricted, and the
94 is covered only if its contents constitute a w
95 Program (independent of having been made by ru
96 Whether that is true depends on what the Progr
97
98 1. You may copy and distribute verbatim copi
99 source code as you receive it, in any medium,
100 conspicuously and appropriately publish on eac
101 copyright notice and disclaimer of warranty; k
102 notices that refer to this License and to the
103 and give any other recipients of the Program a
104 along with the Program.
105
106 You may charge a fee for the physical act of t
107 you may at your option offer warranty protecti
108
109 2. You may modify your copy or copies of the
110 of it, thus forming a work based on the Progra
111 distribute such modifications or work under th
112 above, provided that you also meet all of thes
113
114 a) You must cause the modified files to ca
115 stating that you changed the files and the
116
117 b) You must cause any work that you distri
118 whole or in part contains or is derived fr
119 part thereof, to be licensed as a whole at
120 parties under the terms of this License.
121
122 c) If the modified program normally reads
123 when run, you must cause it, when started
124 interactive use in the most ordinary way,
125 announcement including an appropriate copy
126 notice that there is no warranty (or else,
127 a warranty) and that users may redistribut
128 these conditions, and telling the user how
129 License. (Exception: if the Program itsel
130 does not normally print such an announceme
131 the Program is not required to print an an
132
133 These requirements apply to the modified work
134 identifiable sections of that work are not der
135 and can be reasonably considered independent a
136 themselves, then this License, and its terms,
137 sections when you distribute them as separate
138 distribute the same sections as part of a whol
139 on the Program, the distribution of the whole
140 this License, whose permissions for other lice
141 entire whole, and thus to each and every part
142
143 Thus, it is not the intent of this section to
144 your rights to work written entirely by you; r
145 exercise the right to control the distribution
146 collective works based on the Program.
147
148 In addition, mere aggregation of another work
149 with the Program (or with a work based on the
150 a storage or distribution medium does not brin
151 the scope of this License.
152
153 3. You may copy and distribute the Program (
154 under Section 2) in object code or executable
155 Sections 1 and 2 above provided that you also
156
157 a) Accompany it with the complete correspo
158 source code, which must be distributed und
159 1 and 2 above on a medium customarily used
160
161 b) Accompany it with a written offer, vali
162 years, to give any third party, for a char
163 cost of physically performing source distr
164 machine-readable copy of the corresponding
165 distributed under the terms of Sections 1
166 customarily used for software interchange;
167
168 c) Accompany it with the information you r
169 to distribute corresponding source code.
170 allowed only for noncommercial distributio
171 received the program in object code or exe
172 an offer, in accord with Subsection b abov
173
174 The source code for a work means the preferred
175 making modifications to it. For an executable
176 code means all the source code for all modules
177 associated interface definition files, plus th
178 control compilation and installation of the ex
179 special exception, the source code distributed
180 anything that is normally distributed (in eith
181 form) with the major components (compiler, ker
182 operating system on which the executable runs,
183 itself accompanies the executable.
184
185 If distribution of executable or object code i
186 access to copy from a designated place, then o
187 access to copy the source code from the same p
188 distribution of the source code, even though t
189 compelled to copy the source along with the ob
190
191 4. You may not copy, modify, sublicense, or
192 except as expressly provided under this Licens
193 otherwise to copy, modify, sublicense or distr
194 void, and will automatically terminate your ri
195 However, parties who have received copies, or
196 this License will not have their licenses term
197 parties remain in full compliance.
198
199 5. You are not required to accept this Licen
200 signed it. However, nothing else grants you p
201 distribute the Program or its derivative works
202 prohibited by law if you do not accept this Li
203 modifying or distributing the Program (or any
204 Program), you indicate your acceptance of this
205 all its terms and conditions for copying, dist
206 the Program or works based on it.
207
208 6. Each time you redistribute the Program (o
209 Program), the recipient automatically receives
210 original licensor to copy, distribute or modif
211 these terms and conditions. You may not impos
212 restrictions on the recipients' exercise of th
213 You are not responsible for enforcing complian
214 this License.
215
216 7. If, as a consequence of a court judgment
217 infringement or for any other reason (not limi
218 conditions are imposed on you (whether by cour
219 otherwise) that contradict the conditions of t
220 excuse you from the conditions of this License
221 distribute so as to satisfy simultaneously you
222 License and any other pertinent obligations, t
223 may not distribute the Program at all. For ex
224 license would not permit royalty-free redistri
225 all those who receive copies directly or indir
226 the only way you could satisfy both it and thi
227 refrain entirely from distribution of the Prog
228
229 If any portion of this section is held invalid
230 any particular circumstance, the balance of th
231 apply and the section as a whole is intended t
232 circumstances.
233
234 It is not the purpose of this section to induc
235 patents or other property right claims or to c
236 such claims; this section has the sole purpose
237 integrity of the free software distribution sy
238 implemented by public license practices. Many
239 generous contributions to the wide range of so
240 through that system in reliance on consistent
241 system; it is up to the author/donor to decide
242 to distribute software through any other syste
243 impose that choice.
244
245 This section is intended to make thoroughly cl
246 be a consequence of the rest of this License.
247
248 8. If the distribution and/or use of the Pro
249 certain countries either by patents or by copy
250 original copyright holder who places the Progr
251 may add an explicit geographical distribution
252 those countries, so that distribution is permi
253 countries not thus excluded. In such case, th
254 the limitation as if written in the body of th
255
256 9. The Free Software Foundation may publish
257 of the General Public License from time to tim
258 be similar in spirit to the present version, b
259 address new problems or concerns.
260
261 Each version is given a distinguishing version
262 specifies a version number of this License whi
263 later version", you have the option of followi
264 either of that version or of any later version
265 Software Foundation. If the Program does not
266 this License, you may choose any version ever
267 Foundation.
268
269 10. If you wish to incorporate parts of the
270 programs whose distribution conditions are dif
271 to ask for permission. For software which is
272 Software Foundation, write to the Free Softwar
273 make exceptions for this. Our decision will b
274 of preserving the free status of all derivativ
275 of promoting the sharing and reuse of software
276
277 NO WARRANTY
278
279 11. BECAUSE THE PROGRAM IS LICENSED FREE OF
280 FOR THE PROGRAM, TO THE EXTENT PERMITTED BY AP
281 OTHERWISE STATED IN WRITING THE COPYRIGHT HOLD
282 PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY O
283 OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE
284 MERCHANTABILITY AND FITNESS FOR A PARTICULAR P
285 TO THE QUALITY AND PERFORMANCE OF THE PROGRAM
286 PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST O
287 REPAIR OR CORRECTION.
288
289 12. IN NO EVENT UNLESS REQUIRED BY APPLICABL
290 WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY
291 REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, B
292 INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR
293 OUT OF THE USE OR INABILITY TO USE THE PROGRAM
294 TO LOSS OF DATA OR DATA BEING RENDERED INACCUR
295 YOU OR THIRD PARTIES OR A FAILURE OF THE PROGR
296 PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY
297 POSSIBILITY OF SUCH DAMAGES.
298
299 END OF TERMS AND CONDITIO
300
301 How to Apply These Terms to Your N
302
303 If you develop a new program, and you want i
304 possible use to the public, the best way to ac
305 free software which everyone can redistribute
306
307 To do so, attach the following notices to th
308 to attach them to the start of each source fil
309 convey the exclusion of warranty; and each fil
310 the "copyright" line and a pointer to where th
311
312 <one line to give the program's name and a
313 Copyright (C) <year> <name of author>
314
315 This program is free software; you can red
316 it under the terms of the GNU General Publ
317 the Free Software Foundation; either versi
318 (at your option) any later version.
319
320 This program is distributed in the hope th
321 but WITHOUT ANY WARRANTY; without even the
322 MERCHANTABILITY or FITNESS FOR A PARTICULA
323 GNU General Public License for more detail
324
325 You should have received a copy of the GNU
326 along with this program; if not, write to
327 Foundation, Inc., 51 Franklin St, Fifth Fl
328
329
330 Also add information on how to contact you by
331
332 If the program is interactive, make it output
333 when it starts in an interactive mode:
334
335 Gnomovision version 69, Copyright (C) year
336 Gnomovision comes with ABSOLUTELY NO WARRA
337 This is free software, and you are welcome
338 under certain conditions; type `show c' fo
339
340 The hypothetical commands `show w' and `show c
341 parts of the General Public License. Of cours
342 be called something other than `show w' and `s
343 mouse-clicks or menu items--whatever suits you
344
345 You should also get your employer (if you work
346 school, if any, to sign a "copyright disclaime
347 necessary. Here is a sample; alter the names:
348
349 Yoyodyne, Inc., hereby disclaims all copyrig
350 `Gnomovision' (which makes passes at compile
351
352 <signature of Ty Coon>, 1 April 1989
353 Ty Coon, President of Vice
354
355 This General Public License does not permit in
356 proprietary programs. If your program is a su
357 consider it more useful to permit linking prop
358 library. If this is what you want to do, use
359 Public License instead of this License.
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.