| GNU LIBRARY GENERAL PUBLIC LICENSE |
| Version 2, June 1991 |
| |
| Copyright (C) 1991 Free Software Foundation, Inc. |
| 675 Mass Ave, Cambridge, MA 02139, USA |
| Everyone is permitted to copy and distribute verbatim copies |
| of this license document, but changing it is not allowed. |
| |
| [This is the first released version of the library GPL. It is |
| numbered 2 because it goes with version 2 of the ordinary GPL.] |
| |
| Preamble |
| |
| The licenses for most software are designed to take away your |
| freedom to share and change it. By contrast, the GNU General Public |
| Licenses are intended to guarantee your freedom to share and change |
| free software--to make sure the software is free for all its users. |
| |
| This license, the Library General Public License, applies to some |
| specially designated Free Software Foundation software, and to any |
| other libraries whose authors decide to use it. You can use it for |
| your libraries, too. |
| |
| When we speak of free software, we are referring to freedom, 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 or use pieces of it |
| in new free programs; and that you know you can do these things. |
| |
| To protect your rights, we need to make restrictions that forbid |
| anyone to deny you these rights or to ask you to surrender the 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 a program 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. |
| |
| Our method of protecting your rights has two steps: (1) copyright |
| the library, and (2) offer you this license which gives you legal |
| permission to copy, distribute and/or modify the library. |
| |
| Also, for each distributor's protection, we want to make certain |
| that everyone understands that there is no warranty for this free |
| library. If the library is modified by someone else and passed on, we |
| want its recipients to know that what they have is not the original |
| version, so that any problems introduced by others will not reflect on |
| the original authors' reputations. |
| |
| Finally, any free program is threatened constantly by software |
| patents. We wish to avoid the danger that companies distributing free |
| software will individually obtain patent licenses, thus in effect |
| transforming the program into proprietary software. To prevent this, |
| we have made it clear that any patent must be licensed for everyone's |
| free use or not licensed at all. |
| |
| Most GNU software, including some libraries, is covered by the ordinary |
| GNU General Public License, which was designed for utility programs. This |
| license, the GNU Library General Public License, applies to certain |
| designated libraries. This license is quite different from the ordinary |
| one; be sure to read it in full, and don't assume that anything in it is |
| the same as in the ordinary license. |
| |
| The reason we have a separate public license for some libraries is that |
| they blur the distinction we usually make between modifying or adding to a |
| program and simply using it. Linking a program with a library, without |
| changing the library, is in some sense simply using the library, and is |
| analogous to running a utility program or application program. However, in |
| a textual and legal sense, the linked executable is a combined work, a |
| derivative of the original library, and the ordinary General Public License |
| treats it as such. |
| |
| Because of this blurred distinction, using the ordinary General |
| Public License for libraries did not effectively promote software |
| sharing, because most developers did not use the libraries. We |
| concluded that weaker conditions might promote sharing better. |
| |
| However, unrestricted linking of non-free programs would deprive the |
| users of those programs of all benefit from the free status of the |
| libraries themselves. This Library General Public License is intended to |
| permit developers of non-free programs to use free libraries, while |
| preserving your freedom as a user of such programs to change the free |
| libraries that are incorporated in them. (We have not seen how to achieve |
| this as regards changes in header files, but we have achieved it as regards |
| changes in the actual functions of the Library.) The hope is that this |
| will lead to faster development of free libraries. |
| |
| The precise terms and conditions for copying, distribution and |
| modification follow. Pay close attention to the difference between a |
| "work based on the library" and a "work that uses the library". The |
| former contains code derived from the library, while the latter only |
| works together with the library. |
| |
| Note that it is possible for a library to be covered by the ordinary |
| General Public License rather than by this special one. |
| |
| GNU LIBRARY GENERAL PUBLIC LICENSE |
| TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION |
| |
| 0. This License Agreement applies to any software library which |
| contains a notice placed by the copyright holder or other authorized |
| party saying it may be distributed under the terms of this Library |
| 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. |
| |
| 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. |
| |
| 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. |
| |
| 1. You may copy and distribute verbatim copies of the Library's |
| complete source code as you receive it, in any medium, provided that |
| you conspicuously and appropriately publish on each copy an |
| appropriate copyright notice and disclaimer of warranty; keep intact |
| all the notices that refer to this License and to the absence of any |
| warranty; and distribute a copy of this License along with the |
| Library. |
| |
| You may charge a fee for the physical act of transferring a copy, |
| and you may at your option offer warranty protection in exchange for a |
| fee. |
| |
| 2. You may modify your copy or copies of the Library or any portion |
| of it, thus forming a work based on the Library, and copy and |
| distribute such modifications or work under the terms of Section 1 |
| above, provided that you also meet all of these conditions: |
| |
| a) The modified work must itself be a software library. |
| |
| b) You must cause the files modified to carry prominent notices |
| stating that you changed the files and the date of any change. |
| |
| c) You must cause the whole of the work to be licensed at no |
| charge to all third parties under the terms of this License. |
| |
| d) If a facility in the modified Library refers to a function or a |
| table of data to be supplied by an application program that uses |
| the facility, other than as an argument passed when the facility |
| is invoked, then you must make a good faith effort to ensure that, |
| in the event an application does not supply such function or |
| table, the facility still operates, and performs what../make/ 40755 606 214 0 6320405120 10605 5ustar psmithrcms |