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4. You may copy and distribute the Library (or a portion or derivative ofit, under Section 2) in object code or executable form under the terms ofSections 1 and 2 above provided that you accompany it with the completecorresponding machine-readable source code, which must be distributed underthe terms of Sections 1 and 2 above on a medium customarily used forsoftware interchange.If distribution of object code is made by offering access to copy from adesignated place, then offering equivalent access to copy the source codefrom the same place satisfies the requirement to distribute the source code,even though third parties are not compelled to copy the source along withthe object code.5. A program that contains no derivative of any portion of the Library, butis designed to work with the Library by being compiled or linked with it, iscalled a "work that uses the Library". Such a work, in isolation, is not aderivative work of the Library, and therefore falls outside the scope ofthis License.However, linking a "work that uses the Library" with the Library creates anexecutable that is a derivative of the Library (because it contains portionsof the Library), rather than a "work that uses the library". The executableis therefore covered by this License. Section 6 states terms fordistribution of such executables.When a "work that uses the Library" uses material from a header file that ispart of the Library, the object code for the work may be a derivative workof the Library even though the source code is not. Whether this is true isespecially significant if the work can be linked without the Library, or ifthe work is itself a library. The threshold for this to be true is notprecisely defined by law.If such an object file uses only numerical parameters, data structurelayouts and accessors, and small macros and small inline functions (tenlines or less in length), then the use of the object file is unrestricted,regardless of whether it is legally a derivative work. (Executablescontaining this object code plus portions of the Library will still fallunder Section 6.)Otherwise, if the work is a derivative of the Library, you may distributethe object code for the work under the terms of Section 6. Any executablescontaining that work also fall under Section 6, whether or not they arelinked directly with the Library itself.6. As an exception to the Sections above, you may also compile or link a"work that uses the Library" with the Library to produce a work containingportions of the Library, and distribute that work under terms of yourchoice, provided that the terms permit modification of the work for thecustomer's own use and reverse engineering for debugging such modifications.You must give prominent notice with each copy of the work that the Libraryis used in it and that the Library and its use are covered by this License.You must supply a copy of this License. If the work during executiondisplays copyright notices, you must include the copyright notice for theLibrary among them, as well as a reference directing the user to the copy ofthis License. Also, you must do one of these things: o a) Accompany the work with the complete corresponding machine-readable source code for the Library including whatever changes were used in the work (which must be distributed under Sections 1 and 2 above); and, if the work is an executable linked with the Library, with the complete machine-readable "work that uses the Library", as object code and/or source code, so that the user can modify the Library and then relink to produce a modified executable containing the modified Library. (It is understood that the user who changes the contents of definitions files in the Library will not necessarily be able to recompile the application to use the modified definitions.) o b) Accompany the work with a written offer, valid for at least three years, to give the same user the materials specified in Subsection 6a, above, for a charge no more than the cost of performing this distribution. o c) If distribution of the work is made by offering access to copy from a designated place, offer equivalent access to copy the above specified materials from the same place. o d) 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 theexecutable from it. However, as a special exception, the source codedistributed need not include anything that is normally distributed (ineither source or binary form) with the major components (compiler, kernel,and so on) of the operating system on which the executable runs, unless thatcomponent itself accompanies the executable.It may happen that this requirement contradicts the license restrictions ofother proprietary libraries that do not normally accompany the operatingsystem. Such a contradiction means you cannot use both them and the Librarytogether in an executable that you distribute.7. You may place library facilities that are a work based on the Libraryside-by-side in a single library together with other library facilities notcovered by this License, and distribute such a combined library, providedthat the separate distribution of the work based on the Library and of theother library facilities is otherwise permitted, and provided that you dothese two things: o a) Accompany the combined library with a copy of the same work based on the Library, uncombined with any other library facilities. This must be distributed under the terms of the Sections above. o b) Give prominent notice with the combined library of the fact that part of it is a work based on the Library, and explaining where to find the accompanying uncombined form of the same work.8. You may not copy, modify, sublicense, link with, or distribute theLibrary except as expressly provided under this License. Any attemptotherwise to copy, modify, sublicense, link with, or distribute the Libraryis void, and will automatically terminate your rights under this License.However, parties who have received copies, or rights, from you under thisLicense will not have their licenses terminated so long as such partiesremain in full compliance.9. You are not required to accept this License, since you have not signedit. However, nothing else grants you permission to modify or distribute theLibrary or its derivative works. These actions are prohibited by law if youdo not accept this License. Therefore, by modifying or distributing theLibrary (or any work based on the Library), you indicate your acceptance ofthis License to do so, and all its terms and conditions for copying,distributing or modifying the Library or works based on it.10. Each time you redistribute the Library (or any work based on theLibrary), the recipient automatically receives a license from the originallicensor to copy, distribute, link with or modify the Library subject tothese terms and conditions. You may not impose any further restrictions onthe recipients' exercise of the rights granted herein. You are notresponsible for enforcing compliance by third parties to this License.11. If, as a consequence of a court judgment or allegation of patentinfringement or for any other reason (not limited to patent issues),conditions are imposed on you (whether by court order, agreement orotherwise) that contradict the conditions of this License, they do notexcuse you from the conditions of this License. If you cannot distribute soas to satisfy simultaneously your obligations under this License and anyother pertinent obligations, then as a consequence you may not distributethe Library at all. For example, if a patent license would not permitroyalty-free redistribution of the Library by all those who receive copiesdirectly or indirectly through you, then the only way you could satisfy bothit and this License would be to refrain entirely from distribution of theLibrary.If any portion of this section is held invalid or unenforceable under anyparticular circumstance, the balance of the section is intended to apply,and the section as a whole is intended to apply in other circumstances.It is not the purpose of this section to induce you to infringe any patentsor other property right claims or to contest validity of any such claims;this section has the sole purpose of protecting the integrity of the freesoftware distribution system which is implemented by public licensepractices. Many people have made generous contributions to the wide range ofsoftware distributed through that system in reliance on consistentapplication of that system; it is up to the author/donor to decide if he orshe is willing to distribute software through any other system and alicensee cannot impose that choice.This section is intended to make thoroughly clear what is believed to be aconsequence of the rest of this License.12. If the distribution and/or use of the Library is restricted in certaincountries either by patents or by copyrighted interfaces, the originalcopyright holder who places the Library under this License may add anexplicit geographical distribution limitation excluding those countries, sothat distribution is permitted only in or among countries not thus excluded.In such case, this License incorporates the limitation as if written in thebody of this License.13. The Free Software Foundation may publish revised and/or new versions ofthe Library General Public License from time to time. Such new versions willbe similar in spirit to the present version, but may differ in detail toaddress new problems or concerns.Each version is given a distinguishing version number. If the Libraryspecifies a version number of this License which applies to it and "anylater version", you have the option of following the terms and conditionseither of that version or of any later version published by the FreeSoftware Foundation. If the Library does not specify a license versionnumber, you may choose any version ever published by the Free SoftwareFoundation.14. If you wish to incorporate parts of the Library into other free programswhose distribution conditions are incompatible with these, write to theauthor to ask for permission. For software which is copyrighted by the FreeSoftware Foundation, write to the Free Software Foundation; we sometimesmake exceptions for this. Our decision will be guided by the two goals ofpreserving the free status of all derivatives of our free software and ofpromoting the sharing and reuse of software generally.NO WARRANTY15. BECAUSE THE LIBRARY IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY FORTHE LIBRARY, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHENOTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIESPROVIDE THE LIBRARY "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSEDOR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OFMERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS TOTHE QUALITY AND PERFORMANCE OF THE LIBRARY IS WITH YOU. SHOULD THE LIBRARYPROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING, REPAIR ORCORRECTION.16. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITINGWILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/ORREDISTRIBUTE THE LIBRARY AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISINGOUT OF THE USE OR INABILITY TO USE THE LIBRARY (INCLUDING BUT NOT LIMITED TOLOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY YOU ORTHIRD PARTIES OR A FAILURE OF THE LIBRARY TO OPERATE WITH ANY OTHERSOFTWARE), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THEPOSSIBILITY OF SUCH DAMAGES.END OF TERMS AND CONDITIONSThis library is free software; you can redistribute it and/ormodify it under the terms of the GNU Library General PublicLicense version 2 as published by the Free Software Foundation.This library is distributed in the hope that it will be useful,but WITHOUT ANY WARRANTY; without even the implied warranty ofMERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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