dido:public:ra:xapend:xapend.b_stds:tech:osi:lgpl-2.1
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dido:public:ra:xapend:xapend.b_stds:tech:osi:lgpl-2.1 [2020/11/13 02:21] nick ↷ Links adapted because of a move operation |
dido:public:ra:xapend:xapend.b_stds:tech:osi:lgpl-2.1 [2021/08/17 14:15] (current) murphy |
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| ===== OSI: GNU Lesser General Public License version 2.1 (LGPL-2.1) ===== | ===== OSI: GNU Lesser General Public License version 2.1 (LGPL-2.1) ===== | ||
| - | [[dido:public:ra:xapend:xapend.b_stds:tech:osi| return to the Open Source Initiative area ]] | + | [[dido:public:ra:xapend:xapend.b_stds:tech:osi:start| return to the Open Source Initiative area ]] |
| Comparison of free and open source licenses(( | Comparison of free and open source licenses(( | ||
| Line 15: | Line 15: | ||
| ^ Author URI | [[https://www.gnu.org/]] | | ^ Author URI | [[https://www.gnu.org/]] | | ||
| ^ OSI URI | [[https://opensource.org/licenses/LGPL-2.1 ]] | | ^ OSI URI | [[https://opensource.org/licenses/LGPL-2.1 ]] | | ||
| - | ^ [[dido:public:ra:xapend.glossary:l:lic_linking| Linking]] | [[dido:public:ra:xapend.glossary:p:permissive_oss| Permissive]] | | + | ^ [[dido:public:ra:xapend:xapend.a_glossary:l:lic_linking| Linking]] | [[dido:public:ra:xapend:xapend.a_glossary:p:permissive_oss| Permissive]] | |
| - | ^ [[dido:public:ra:xapend.glossary:l:lic_distribution| Distribution]] | [[dido:public:ra:xapend.glossary:p:permissive_oss| Permissive]] | | + | ^ [[dido:public:ra:xapend:xapend.a_glossary:l:lic_distribution| Distribution]] | [[dido:public:ra:xapend:xapend.a_glossary:p:permissive_oss| Permissive]] | |
| - | ^ [[dido:public:ra:xapend.glossary:l:lic_modification| Modification]] | [[dido:public:ra:xapend.glossary:p:permissive_oss| Permissive]] | | + | ^ [[dido:public:ra:xapend:xapend.a_glossary:l:lic_modification| Modification]] | [[dido:public:ra:xapend:xapend.a_glossary:p:permissive_oss| Permissive]] | |
| - | ^ [[dido:public:ra:xapend.glossary:l:lic_patent_grant| Patent Grant]] | Yes | | + | ^ [[dido:public:ra:xapend:xapend.a_glossary:l:lic_patent_grant| Patent Grant]] | Yes | |
| - | ^ [[dido:public:ra:xapend.glossary:l:lic_private_use| Private Use]] | Yes | | + | ^ [[dido:public:ra:xapend:xapend.a_glossary:l:lic_private_use| Private Use]] | Yes | |
| - | ^ [[dido:public:ra:xapend.glossary:l:lic_sublicensing| Sub-licensing]] | [[dido:public:ra:xapend.glossary:p:permissive_oss| Permissive]] | | + | ^ [[dido:public:ra:xapend:xapend.a_glossary:l:lic_sublicensing| Sub-licensing]] | [[dido:public:ra:xapend:xapend.a_glossary:p:permissive_oss| Permissive]] | |
| - | ^ [[dido:public:ra:xapend.glossary:l:lic_trademark_grant| Trademark Grant]] | No | | + | ^ [[dido:public:ra:xapend:xapend.a_glossary:l:lic_trademark_grant| Trademark Grant]] | No | |
| </table> | </table> | ||
| ==== About ==== | ==== About ==== | ||
| Line 32: | Line 32: | ||
| : //This license, the Lesser General Public License, applies to some specially designated software packages--typically libraries--of the Free Software Foundation and other authors who decide to use it. You can use it too, but we suggest you first think carefully about whether this license or the ordinary General Public License is the better strategy to use in any particular case, based on the explanations below.// | : //This license, the Lesser General Public License, applies to some specially designated software packages--typically libraries--of the Free Software Foundation and other authors who decide to use it. You can use it too, but we suggest you first think carefully about whether this license or the ordinary General Public License is the better strategy to use in any particular case, based on the explanations below.// | ||
| - | : //When we speak of free software, we are referring to freedom of use, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish); that you receive source code or can get it if you want it; that you can change the software and use pieces of it in new free programs; and that you are informed that you can do these things.// | + | : //When we speak of free software, we are referring to freedom of use, not price. Our General Public Licenses are designed to make sure that you have the freedom to distribute copies of free software (and charge for this service if you wish); that you receive [[dido:public:ra:xapend:xapend.a_glossary:s:sourcecode|source code]] or can get it if you want it; that you can change the software and use pieces of it in new free programs; and that you are informed that you can do these things.// |
| : //To protect your rights, we need to make restrictions that forbid distributors to deny you these rights or to ask you to surrender these rights. These restrictions translate to certain responsibilities for you if you distribute copies of the library or if you modify it.// | : //To protect your rights, we need to make restrictions that forbid distributors to deny you these rights or to ask you to surrender these rights. These restrictions translate to certain responsibilities for you if you distribute copies of the library or if you modify it.// | ||
| - | : //For example, if you distribute copies of the library, whether gratis or for a fee, you must give the recipients all the rights that we gave you. You must make sure that they, too, receive or can get the source code. If you link other code with the library, you must provide complete object files to the recipients, so that they can relink them with the library after making changes to the library and recompiling it. And you must show them these terms so they know their rights.// | + | : //For example, if you distribute copies of the library, whether gratis or for a fee, you must give the recipients all the rights that we gave you. You must make sure that they, too, receive or can get the source code. If you link other code with the library, you must provide complete [[dido:public:ra:xapend:xapend.a_glossary:o:object|object]] files to the recipients, so that they can relink them with the library after making changes to the library and recompiling it. And you must show them these terms so they know their rights.// |
| - | : //We protect your rights with a two-step method: (1) we copyright the library, and (2) we offer you this license, which gives you legal permission to copy, distribute and/or modify the library.// | + | : //We protect your rights with a two-step method: (1) we [[dido:public:ra:xapend:xapend.a_glossary:c:copyright|copyright]] the library, and (2) we offer you this license, which gives you legal permission to copy, distribute and/or modify the library.// |
| : //To protect each distributor, we want to make it very clear that there is no warranty for the free library. Also, if the library is modified by someone else and passed on, the recipients should know that what they have is not the original version, so that the original author's reputation will not be affected by problems that might be introduced by others.// | : //To protect each distributor, we want to make it very clear that there is no warranty for the free library. Also, if the library is modified by someone else and passed on, the recipients should know that what they have is not the original version, so that the original author's reputation will not be affected by problems that might be introduced by others.// | ||
| Line 46: | Line 46: | ||
| : //Most GNU software, including some libraries, is covered by the ordinary GNU General Public License. This license, the GNU Lesser General Public License, applies to certain designated libraries, and is quite different from the ordinary General Public License. We use this license for certain libraries in order to permit linking those libraries into non-free programs.// | : //Most GNU software, including some libraries, is covered by the ordinary GNU General Public License. This license, the GNU Lesser General Public License, applies to certain designated libraries, and is quite different from the ordinary General Public License. We use this license for certain libraries in order to permit linking those libraries into non-free programs.// | ||
| - | : //When a program is linked with a library, whether statically or using a shared library, the combination of the two is legally speaking a combined work, a derivative of the original library. The ordinary General Public License therefore permits such linking only if the entire combination fits its criteria of freedom. The Lesser General Public License permits more lax criteria for linking other code with the library.// | + | : //When a program is linked with a library, whether statically or using a [[dido:public:ra:xapend:xapend.a_glossary:s:shared_libraries|shared library]], the combination of the two is legally speaking a combined work, a derivative of the original library. The ordinary General Public License therefore permits such linking only if the entire combination fits its criteria of freedom. The Lesser General Public License permits more lax criteria for linking other code with the library.// |
| : //We call this license the "Lesser" General Public License because it does Less to protect the user's freedom than the ordinary General Public License. It also provides other free software developers Less of an advantage over competing non-free programs. These disadvantages are the reason we use the ordinary General Public License for many libraries. However, the Lesser license provides advantages in certain special circumstances.// | : //We call this license the "Lesser" General Public License because it does Less to protect the user's freedom than the ordinary General Public License. It also provides other free software developers Less of an advantage over competing non-free programs. These disadvantages are the reason we use the ordinary General Public License for many libraries. However, the Lesser license provides advantages in certain special circumstances.// | ||
| Line 52: | Line 52: | ||
| : //For example, on rare occasions, there may be a special need to encourage the widest possible use of a certain library, so that it becomes a de-facto standard. To achieve this, non-free programs must be allowed to use the library. A more frequent case is that a free library does the same job as widely used non-free libraries. In this case, there is little to gain by limiting the free library to free software only, so we use the Lesser General Public License.// | : //For example, on rare occasions, there may be a special need to encourage the widest possible use of a certain library, so that it becomes a de-facto standard. To achieve this, non-free programs must be allowed to use the library. A more frequent case is that a free library does the same job as widely used non-free libraries. In this case, there is little to gain by limiting the free library to free software only, so we use the Lesser General Public License.// | ||
| - | : //In other cases, permission to use a particular library in non-free programs enables a greater number of people to use a large body of free software. For example, permission to use the GNU C Library in non-free programs enables many more people to use the whole GNU operating system, as well as its variant, the GNU/Linux operating system.// | + | : //In other cases, permission to use a particular library in non-free programs enables a greater number of people to use a large body of free software. For example, permission to use the GNU C Library in non-free programs enables many more people to use the whole GNU operating system, as well as its variant, the GNU/Linux [[dido:public:ra:xapend:xapend.a_glossary:o:os|operating system]].// |
| : //Although the Lesser General Public License is Less protective of the users' freedom, it does ensure that the user of a program that is linked with the Library has the freedom and the wherewithal to run that program using a modified version of the Library.// | : //Although the Lesser General Public License is Less protective of the users' freedom, it does ensure that the user of a program that is linked with the Library has the freedom and the wherewithal to run that program using a modified version of the Library.// | ||
| Line 60: | Line 60: | ||
| : **//__TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION__//** | : **//__TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION__//** | ||
| | | ||
| - | : //0. This License Agreement applies to any software library or other program which contains a notice placed by the copyright holder or other authorized party saying it may be distributed under the terms of this Lesser General Public License (also called "this License"). Each licensee is addressed as "you".// | + | : //0. This License Agreement applies to any [[dido:public:ra:xapend:xapend.a_glossary:s:swlib|software library]] or other program which contains a notice placed by the copyright holder or other authorized party saying it may be distributed under the terms of this Lesser General Public License (also called "this License"). Each licensee is addressed as "you".// |
| - | : //A "library" means a collection of software functions and/or data prepared so as to be conveniently linked with application programs (which use some of those functions and data) to form executables.// | + | : //A "library" means a collection of software functions and/or data prepared so as to be conveniently linked with [[dido:public:ra:xapend:xapend.a_glossary:a:application|application]] programs (which use some of those functions and data) to form executables.// |
| : //The "Library", below, refers to any such software library or work which has been distributed under these terms. A "work based on the Library" means either the Library or any derivative work under copyright law: that is to say, a work containing the Library or a portion of it, either verbatim or with modifications and/or translated straightforwardly into another language. (Hereinafter, translation is included without limitation in the term "modification".)// | : //The "Library", below, refers to any such software library or work which has been distributed under these terms. A "work based on the Library" means either the Library or any derivative work under copyright law: that is to say, a work containing the Library or a portion of it, either verbatim or with modifications and/or translated straightforwardly into another language. (Hereinafter, translation is included without limitation in the term "modification".)// | ||
| - | : //"Source code" for a work means the preferred form of the work for making modifications to it. For a library, complete source code means all the source code for all modules it contains, plus any associated interface definition files, plus the scripts used to control compilation and installation of the library.// | + | : //"Source code" for a work means the preferred form of the work for making modifications to it. For a library, complete source code means all the source code for all modules it contains, plus any associated [[dido:public:ra:xapend:xapend.a_glossary:i:interface|interface]] definition files, plus the scripts used to control compilation and installation of the library.// |
| : //Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of running a program using the Library is not restricted, and output from such a program is covered only if its contents constitute a work based on the Library (independent of the use of the Library in a tool for writing it). Whether that is true depends on what the Library does and what the program that uses the Library does.// | : //Activities other than copying, distribution and modification are not covered by this License; they are outside its scope. The act of running a program using the Library is not restricted, and output from such a program is covered only if its contents constitute a work based on the Library (independent of the use of the Library in a tool for writing it). Whether that is true depends on what the Library does and what the program that uses the Library does.// | ||
| Line 104: | Line 104: | ||
| When a "work that uses the Library" uses material from a header file that is part of the Library, the object code for the work may be a derivative work of the Library even though the source code is not. Whether this is true is especially significant if the work can be linked without the Library, or if the work is itself a library. The threshold for this to be true is not precisely defined by law. | When a "work that uses the Library" uses material from a header file that is part of the Library, the object code for the work may be a derivative work of the Library even though the source code is not. Whether this is true is especially significant if the work can be linked without the Library, or if the work is itself a library. The threshold for this to be true is not precisely defined by law. | ||
| - | If such an object file uses only numerical parameters, data structure layouts and accessors, and small macros and small inline functions (ten lines or less in length), then the use of the object file is unrestricted, regardless of whether it is legally a derivative work. (Executables containing this object code plus portions of the Library will still fall under Section 6.) | + | If such an object file uses only numerical parameters, [[dido:public:ra:xapend:xapend.a_glossary:d:datastructure|data structure]] layouts and accessors, and small macros and small inline functions (ten lines or less in length), then the use of the object file is unrestricted, regardless of whether it is legally a derivative work. (Executables containing this object code plus portions of the Library will still fall under Section 6.) |
| Otherwise, if the work is a derivative of the Library, you may distribute the object code for the work under the terms of Section 6. Any executables containing that work also fall under Section 6, whether or not they are linked directly with the Library itself. | Otherwise, if the work is a derivative of the Library, you may distribute the object code for the work under the terms of Section 6. Any executables containing that work also fall under Section 6, whether or not they are linked directly with the Library itself. | ||
| Line 122: | Line 122: | ||
| e) Verify that the user has already received a copy of these materials or that you have already sent this user a copy. | e) Verify that the user has already received a copy of these materials or that you have already sent this user a copy. | ||
| - | For an executable, the required form of the "work that uses the Library" must include any data and utility programs needed for reproducing the executable from it. However, as a special exception, the materials to be distributed need not include anything that is normally distributed (in either source or binary form) with the major components (compiler, kernel, and so on) of the operating system on which the executable runs, unless that component itself accompanies the executable. | + | For an executable, the required form of the "work that uses the Library" must include any data and utility programs needed for reproducing the executable from it. However, as a special exception, the materials to be distributed need not include anything that is normally distributed (in either source or binary form) with the major components ([[dido:public:ra:xapend:xapend.a_glossary:c:compiler|compiler]], kernel, and so on) of the operating system on which the executable runs, unless that component itself accompanies the executable. |
| It may happen that this requirement contradicts the license restrictions of other proprietary libraries that do not normally accompany the operating system. Such a contradiction means you cannot use both them and the Library together in an executable that you distribute. | It may happen that this requirement contradicts the license restrictions of other proprietary libraries that do not normally accompany the operating system. Such a contradiction means you cannot use both them and the Library together in an executable that you distribute. | ||
| Line 186: | Line 186: | ||
| That's all there is to it!// | That's all there is to it!// | ||
| + | |||
| + | /**=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=- | ||
| + | /* To add a discussion page to this page, comment out the line that says | ||
| + | ~~DISCUSSION:off~~ | ||
| + | */ | ||
| + | ~~DISCUSSION:on|Outstanding Issues~~ | ||
| + | ~~DISCUSSION:off~~ | ||
dido/public/ra/xapend/xapend.b_stds/tech/osi/lgpl-2.1.1605252102.txt.gz · Last modified: 2020/11/13 02:21 by nick
