2.6.18内核Makefile文档

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1、2.6.18内核Makefile文档来源:ChinaUnix博客　日期：2007.08.0920:16　(共有0条评论)我要评论 kernel-source/Documentation/kbuild/LinuxKernelMakefilesThisdocumentdescribestheLinuxkernelMakefiles.===TableofContents  ===1Overview  ===2Whodoeswhat  ===3Thekbuildfiles    ---3.1Goaldefinitions    ---3.2Bu

2、ilt-inobjectgoals-obj-y    ---3.3Loadablemodulegoals-obj-m    ---3.4Objectswhichexportsymbols    ---3.5Libraryfilegoals-lib-y    ---3.6Descendingdownindirectories    ---3.7Compilationflags    ---3.8Commandlinedependency    ---3.9Dependencytracking    ---3.10SpecialRules 

3、   ---3.11$(CC)supportfunctions  ===4HostProgramsupport    ---4.1SimpleHostProgram    ---4.2CompositeHostPrograms    ---4.3Definingsharedlibraries    ---4.4UsingC++forhostprograms    ---4.5Controllingcompileroptionsforhostprograms    ---4.6Whenhostprogramsareactuallybuil

4、t    ---4.7Usinghostprogs-$(CONFIG_FOO)  ===5Kbuildcleaninfrastructure  ===6ArchitectureMakefiles    ---6.1Setvariablestotweakthebuildtothearchitecture    ---6.2Addprerequisitestoarchprepare:    ---6.3Listdirectoriestovisitwhendescending    ---6.4Architecture-specificboo

5、timages    ---6.5Buildingnon-kbuildtargets    ---6.6Commandsusefulforbuildingabootimage    ---6.7Customkbuildcommands    ---6.8Preprocessinglinkerscripts  ===7KbuildVariables  ===8Makefilelanguage  ===9Credits  ===10TODO===1OverviewTheMakefileshavefiveparts:  Makefile   

6、   thetopMakefile.  .config        thekernelconfigurationfile.  arch/$(ARCH)/Makefile  thearchMakefile.  scripts/Makefile.*  commonrulesetc.forallkbuildMakefiles.  kbuildMakefiles  thereareabout500ofthese.ThetopMakefilereadsthe.configfile,whichcomesfromthekernelconfigura

7、tionprocess.ThetopMakefileisresponsibleforbuildingtwomajorproducts:vmlinux(theresidentkernelimage)andmodules(anymodulefiles).Itbuildsthesegoalsbyrecursivelydescendingintothesubdirectoriesofthekernelsourcetree.Thelistofsubdirectorieswhicharevisiteddependsuponthekernelconf

8、iguration.ThetopMakefiletextuallyincludesanarchMakefilewiththenamearch/$(ARCH)/Makefile.ThearchMakefile