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1、GNUGENERALPUBLICLICENSEVersion329June2007Copyright(C)2007FreeSoftwareFoundationInc.Everyoneispermittedtocopydistributeverbatimcopiesofthislicensedocumentbutchangingitisnotallowed.PreambleTheGNUGeneralPublicLicenseisafree
2、copyleftlicensefsoftwareotherkindsofwks.Thelicensesfmostsoftwareotherpracticalwksaredesignedtotakeawayyourfreedomtosharechangethewks.BycontrasttheGNUGeneralPublicLicenseisintendedtoguaranteeyourfreedomtosharechangeallver
3、sionsofaprogramtomakesureitremainsfreesoftwarefallitsusers.WetheFreeSoftwareFoundationusetheGNUGeneralPublicLicensefmostofoursoftwareitappliesalsotoanyotherwkreleasedthiswaybyitsauths.Youcanapplyittoyourprogramstoo.Whenw
4、espeakoffreesoftwarewearereferringtofreedomnotprice.OurGeneralPublicLicensesaredesignedtomakesurethatyouhavethefreedomtodistributecopiesoffreesoftware(gefthemifyouwish)thatyoureceivesourcecodecangetitifyouwantitthatyouca
5、nchangethesoftwareusepiecesofitinnewfreeprogramsthatyouknowyoucandothesethings.Toprotectyourrightsweneedtopreventothersfromdenyingyoutheserightsaskingyoutosurrendertherights.Therefeyouhavecertainresponsibilitiesifyoudist
6、ributecopiesofthesoftwareifyoumodifyit:responsibilitiestorespectthefreedomofothers.Fexampleifyoudistributecopiesofsuchaprogramwhethergratisfafeeyoumustpassontotherecipientsthesamefreedomsthatyoureceived.Youmustmakesureth
7、attheytooreceivecangetthesourcecode.youmustshowthemthesetermssotheyknowtheirrights.DevelopersthatusetheGNUGPLprotectyourrightswithtwosteps:(1)assertcopyrightonthesoftware(2)offeryouthisLicensegivingyoulegalpermissiontoco
8、pydistributemodifyit.FthedevelopersauthsprotectiontheGPLclearlyexplainsthatthereisnowarrantyfthisfreesoftware.FbothusersauthssaketheGPLrequiresthatmodifiedversionsbemarkedaschangedsothattheirproblemswillnotbeattributeder
9、roneouslytoauthsofpreviousversions.Somedevicesaredesignedtodenyusersaccesstoinstallrunmodifiedversionsofthesoftwareinsidethemalthoughthemanufacturercandoso.Thisisfundamentallyincompatiblewiththeaimofprotectingusersfreedo
10、mtochangethesoftware.Thesystematicpatternofsuchabuseoccursintheareaofproductsfindividualstousewhichispreciselywhereitismostunacceptable.TherefewehavedesignedthisversionoftheGPLtoprohibitthepracticefthoseproducts.Ifsuchpr
11、oblemsarisesubstantiallyinotherdomainswestreadytoextendthisprovisiontothosedomainsinfutureversionsoftheGPLasneededtoprotectthefreedomofusers.Finallyeveryprogramisthreatenedconstantlybysoftwarepatents.Statesshouldnotallow
12、patentstorestrictdevelopmentuseofsoftwareongeneralpurposecomputersbutinthosethatdowewishtoimplementationisavailabletothepublicinsourcecodefm.A“MajComponent“inthiscontextmeansamajessentialcomponent(kernelwindowsystemsoon)
13、ofthespecificoperatingsystem(ifany)onwhichtheexecutablewkrunsacompilerusedtoproducethewkanobjectcodeinterpreterusedtorunit.The“CrespondingSource“fawkinobjectcodefmmeansallthesourcecodeneededtogenerateinstall(fanexecutabl
14、ewk)runtheobjectcodetomodifythewkincludingstocontrolthoseactivities.HoweveritdoesnotincludethewksSystemLibrariesgeneralpurposetoolsgenerallyavailablefreeprogramswhichareusedunmodifiedinperfmingthoseactivitiesbutwhicharen
15、otpartofthewk.FexampleCrespondingSourceincludesinterfacedefinitionfilesassociatedwithsourcefilesfthewkthesourcecodefsharedlibrariesdynamicallylinkedsubprogramsthatthewkisspecificallydesignedtorequiresuchasbyintimatedatac
16、ommunicationcontrolflowbetweenthosesubprogramsotherpartsofthewk.TheCrespondingSourceneednotincludeanythingthatuserscanregenerateautomaticallyfromotherpartsoftheCrespondingSource.TheCrespondingSourcefawkinsourcecodefmisth
17、atsamewk.2.BasicPermissions.AllrightsgrantedunderthisLicensearegrantedfthetermofcopyrightontheProgramareirrevocableprovidedthestatedconditionsaremet.ThisLicenseexplicitlyaffirmsyourunlimitedpermissiontoruntheunmodifiedPr
18、ogram.TheoutputfromrunningacoveredwkiscoveredbythisLicenseonlyiftheoutputgivenitscontentconstitutesacoveredwk.ThisLicenseacknowledgesyourrightsoffairuseotherequivalentasprovidedbycopyrightlaw.Youmaymakerunpropagatecovere
19、dwksthatyoudonotconveywithoutconditionssolongasyourlicenseotherwiseremainsinfce.Youmayconveycoveredwkstoothersfthesolepurposeofhavingthemmakemodificationsexclusivelyfyouprovideyouwithfacilitiesfrunningthosewksprovidedtha
20、tyoucomplywiththetermsofthisLicenseinconveyingallmaterialfwhichyoudonotcontrolcopyright.Thosethusmakingrunningthecoveredwksfyoumustdosoexclusivelyonyourbehalfunderyourdirectioncontrolontermsthatprohibitthemfrommakinganyc
21、opiesofyourcopyrightedmaterialoutsidetheirrelationshipwithyou.Conveyingunderanyothercircumstancesispermittedsolelyundertheconditionsstatedbelow.Sublicensingisnotallowedsection10makesitunnecessary.3.ProtectingUsersLegalRi
22、ghtsFromAntiCircumventionLaw.Nocoveredwkshallbedeemedpartofaneffectivetechnologicalmeasureunderanyapplicablelawfulfillingobligationsunderarticle11oftheWIPOcopyrighttreatyadoptedon20December1996similarlawsprohibitingrestr
23、ictingcircumventionofsuchmeasures.WhenyouconveyacoveredwkyouwaiveanylegalpowertofbidcircumventionoftechnologicalmeasurestotheextentsuchcircumventioniseffectedbyexercisingrightsunderthisLicensewithrespecttothecoveredwkyou
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