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1 | GNU LESSER GENERAL PUBLIC LICENSE |
2 | Version 3, 29 June 2007 | |
3 | ||
4 | Copyright (C) 2007 Free Software Foundation, Inc. <http://fsf.org/> | |
5 | Everyone is permitted to copy and distribute verbatim copies | |
6 | of this license document, but changing it is not allowed. | |
7 | ||
8 | ||
9 | This version of the GNU Lesser General Public License incorporates | |
10 | the terms and conditions of version 3 of the GNU General Public | |
11 | License, supplemented by the additional permissions listed below. | |
12 | ||
13 | 0. Additional Definitions. | |
14 | ||
15 | As used herein, "this License" refers to version 3 of the GNU Lesser | |
16 | General Public License, and the "GNU GPL" refers to version 3 of the GNU | |
17 | General Public License. | |
18 | ||
19 | "The Library" refers to a covered work governed by this License, | |
20 | other than an Application or a Combined Work as defined below. | |
21 | ||
22 | An "Application" is any work that makes use of an interface provided | |
23 | by the Library, but which is not otherwise based on the Library. | |
24 | Defining a subclass of a class defined by the Library is deemed a mode | |
25 | of using an interface provided by the Library. | |
26 | ||
27 | A "Combined Work" is a work produced by combining or linking an | |
28 | Application with the Library. The particular version of the Library | |
29 | with which the Combined Work was made is also called the "Linked | |
30 | Version". | |
31 | ||
32 | The "Minimal Corresponding Source" for a Combined Work means the | |
33 | Corresponding Source for the Combined Work, excluding any source code | |
34 | for portions of the Combined Work that, considered in isolation, are | |
35 | based on the Application, and not on the Linked Version. | |
36 | ||
37 | The "Corresponding Application Code" for a Combined Work means the | |
38 | object code and/or source code for the Application, including any data | |
39 | and utility programs needed for reproducing the Combined Work from the | |
40 | Application, but excluding the System Libraries of the Combined Work. | |
41 | ||
42 | 1. Exception to Section 3 of the GNU GPL. | |
43 | ||
44 | You may convey a covered work under sections 3 and 4 of this License | |
45 | without being bound by section 3 of the GNU GPL. | |
46 | ||
47 | 2. Conveying Modified Versions. | |
48 | ||
49 | If you modify a copy of the Library, and, in your modifications, a | |
50 | facility refers to a function or data to be supplied by an Application | |
51 | that uses the facility (other than as an argument passed when the | |
52 | facility is invoked), then you may convey a copy of the modified | |
53 | version: | |
54 | ||
55 | a) under this License, provided that you make a good faith effort to | |
56 | ensure that, in the event an Application does not supply the | |
57 | function or data, the facility still operates, and performs | |
58 | whatever part of its purpose remains meaningful, or | |
59 | ||
60 | b) under the GNU GPL, with none of the additional permissions of | |
61 | this License applicable to that copy. | |
62 | ||
63 | 3. Object Code Incorporating Material from Library Header Files. | |
64 | ||
65 | The object code form of an Application may incorporate material from | |
66 | a header file that is part of the Library. You may convey such object | |
67 | code under terms of your choice, provided that, if the incorporated | |
68 | material is not limited to numerical parameters, data structure | |
69 | layouts and accessors, or small macros, inline functions and templates | |
70 | (ten or fewer lines in length), you do both of the following: | |
71 | ||
72 | a) Give prominent notice with each copy of the object code that the | |
73 | Library is used in it and that the Library and its use are | |
74 | covered by this License. | |
75 | ||
76 | b) Accompany the object code with a copy of the GNU GPL and this license | |
77 | document. | |
78 | ||
79 | 4. Combined Works. | |
80 | ||
81 | You may convey a Combined Work under terms of your choice that, | |
82 | taken together, effectively do not restrict modification of the | |
83 | portions of the Library contained in the Combined Work and reverse | |
84 | engineering for debugging such modifications, if you also do each of | |
85 | the following: | |
86 | ||
87 | a) Give prominent notice with each copy of the Combined Work that | |
88 | the Library is used in it and that the Library and its use are | |
89 | covered by this License. | |
90 | ||
91 | b) Accompany the Combined Work with a copy of the GNU GPL and this license | |
92 | document. | |
93 | ||
94 | c) For a Combined Work that displays copyright notices during | |
95 | execution, include the copyright notice for the Library among | |
96 | these notices, as well as a reference directing the user to the | |
97 | copies of the GNU GPL and this license document. | |
98 | ||
99 | d) Do one of the following: | |
100 | ||
101 | 0) Convey the Minimal Corresponding Source under the terms of this | |
102 | License, and the Corresponding Application Code in a form | |
103 | suitable for, and under terms that permit, the user to | |
104 | recombine or relink the Application with a modified version of | |
105 | the Linked Version to produce a modified Combined Work, in the | |
106 | manner specified by section 6 of the GNU GPL for conveying | |
107 | Corresponding Source. | |
108 | ||
109 | 1) Use a suitable shared library mechanism for linking with the | |
110 | Library. A suitable mechanism is one that (a) uses at run time | |
111 | a copy of the Library already present on the user's computer | |
112 | system, and (b) will operate properly with a modified version | |
113 | of the Library that is interface-compatible with the Linked | |
114 | Version. | |
115 | ||
116 | e) Provide Installation Information, but only if you would otherwise | |
117 | be required to provide such information under section 6 of the | |
118 | GNU GPL, and only to the extent that such information is | |
119 | necessary to install and execute a modified version of the | |
120 | Combined Work produced by recombining or relinking the | |
121 | Application with a modified version of the Linked Version. (If | |
122 | you use option 4d0, the Installation Information must accompany | |
123 | the Minimal Corresponding Source and Corresponding Application | |
124 | Code. If you use option 4d1, you must provide the Installation | |
125 | Information in the manner specified by section 6 of the GNU GPL | |
126 | for conveying Corresponding Source.) | |
127 | ||
128 | 5. Combined Libraries. | |
129 | ||
130 | You may place library facilities that are a work based on the | |
131 | Library side by side in a single library together with other library | |
132 | facilities that are not Applications and are not covered by this | |
133 | License, and convey such a combined library under terms of your | |
134 | choice, if you do both of the following: | |
135 | ||
136 | a) Accompany the combined library with a copy of the same work based | |
137 | on the Library, uncombined with any other library facilities, | |
138 | conveyed under the terms of this License. | |
139 | ||
140 | b) Give prominent notice with the combined library that part of it | |
141 | is a work based on the Library, and explaining where to find the | |
142 | accompanying uncombined form of the same work. | |
143 | ||
144 | 6. Revised Versions of the GNU Lesser General Public License. | |
145 | ||
146 | The Free Software Foundation may publish revised and/or new versions | |
147 | of the GNU Lesser General Public License from time to time. Such new | |
148 | versions will be similar in spirit to the present version, but may | |
149 | differ in detail to address new problems or concerns. | |
150 | ||
151 | Each version is given a distinguishing version number. If the | |
152 | Library as you received it specifies that a certain numbered version | |
153 | of the GNU Lesser General Public License "or any later version" | |
154 | applies to it, you have the option of following the terms and | |
155 | conditions either of that published version or of any later version | |
156 | published by the Free Software Foundation. If the Library as you | |
157 | received it does not specify a version number of the GNU Lesser | |
158 | General Public License, you may choose any version of the GNU Lesser | |
159 | General Public License ever published by the Free Software Foundation. | |
160 | ||
161 | If the Library as you received it specifies that a proxy can decide | |
162 | whether future versions of the GNU Lesser General Public License shall | |
163 | apply, that proxy's public statement of acceptance of any version is | |
164 | permanent authorization for you to choose that version for the | |
165 | Library. |