課程資源linux程序設(shè)計(jì)prerequisite

LinuxLinuxProgrammingEnyiSoftwareInstitute,Nanjingvs.vs.vi,ProgrammingHigh-levelC/C++,Java,ELFbinaryExcutableandLinkable :sh/bash,csh,Perl,Python,tcl/tk,sed,DevelopmentGNUCCompiler->GNUCompilerThegcccommand:FrontGNUThegdbxxdgb,Binaryas,ld,ar,最簡單的編 編 ) LibrariesandHeadStaticLibraries(.aLab(gcc+DynamicLibraries/SharedObjects(.soLabJava只有編譯+解釋執(zhí)行.Net平臺 , VC++Delphi(一般稱為Win編程gccc編譯gcc g++(C++對應(yīng) GCCoptionsgcc[options]Basic-E只對源程序進(jìn)行預(yù)處理(調(diào)用cpp預(yù)處理器-S:-c-ooutput_file-g:-O/On:在程序編譯 -Wall:GCCoptionsBasic-Idir: -Ldir: - -DMACRO[=DEFN定義MACROFileNameSuffixCsourcecodewhichmustbeCsourcecodewhichshouldnotbe.cc.cp.cppc++.CC++sourcecodewhichmustbeC++sourcecodewhichshouldnotbeCorC++headerfiletobeturnedintopiled.HC++headerfiletobeturnedintoa AssemblerAssemblercodewhichmustbeFileNameSuffixObjectStaticlibraryfile(archiveDynamiclibraryfile(sharedGDB:GNUgdb推出s不退出gdb就執(zhí)行make&Multi-filemake& TOPDIR=EXEC= OBJS all:$(CC)$(LDFLAGS)-o$@$(OBJS)-rm-f$(EXEC)*.elf*.gdb分別放在若干個(gè)中，makefile定義了一系列的規(guī)能操作。只需要一個(gè)make命令，整個(gè)工程完全自動(dòng)編譯； 與RolandMcGrath設(shè)計(jì)開發(fā)。 make時(shí)會決定在的時(shí)候需要make命令格式：makefMakefile][option]#make #makemake[-ffilename]Atargetisusuallythenameofafilethatisgeneratedbyaprogram;examplesoftargetsareexecutableorobjectfiles.Atargetcanalsobethenameofanactiontocarryout,suchas'clean'(phonytarget).target...:prerequisites... o:main.ogcc-o omain.okbd.omain.o:main.cdefs.hcc-ckbd.o:kbd.cdefs.hcc-ckbd.cclean:rmeditmain.o “makefile”的文件。 4、如果o所依賴的.o文件不存在，那么make會在當(dāng)前文 rm bigoutputlittleoutput:generatetext.g-$(substoutput,,$@)>bigoutput:generatetext.g-big>littleoutput:generatetext.g-little>TOPDIR=EXEC= OBJS all:$(CC)$(LDFLAGS)-o$@$(OBJS)-rm-f$(EXEC)*.elf*.gdb$<$?所有的依賴文件，以空格分開，這些依賴$*edit:main.okbd.ocommand.odis y.o\insert.osearch.ofiles.outils.ogcc-oeditmain.okbd.ocommand.o y.oinsert.osearch.ofiles.outils.omain.o:main.cdefs.hgcc-ckbd.o:kbd.cdefs.hcommand.hgcc-ckbd.ccommand.o:command.cdefs.hcommand.hgcc-ccommand.c y.o:dis y.cdefs.hbuffer.hgcc-cdis insert.o:insert.cdefs.hbuffer.hgcc-cinsert.csearch.o:search.cdefs.hgcc-cfiles.o:files.cdefs.hbuffer.hcommand.hgcc-cfiles.cutils.o:utils.cdefs.hgcc-cutils.ccleanrmeditmain.okbd.ocommand.odis y.o\insert.osearch.ofiles.outils.oOBJECTS=main.okbd.ocommand.odis y.o\insert.osearch.ofiles.outils.oedit:gcc-oedit$(OBJECTS)main.o:main.cdefs.hgcc-ckbd.o:kbd.cdefs.hcommand.hgcc-ckbd.ccommand.o:command.cdefs.hcommand.hgcc-ccommand.c y.o: y.cdefs.hgcc-c insert.o:insert.cdefs.hbuffer.hgcc-cinsert.csearch.o:search.cdefs.hbuffer.hgcc-csearch.cfiles.o:files.cdefs.hbuffer.hcommand.hgcc-cfiles.cutils.o:utils.cdefs.hgcc-cutils.ccleanrmedit<targets...>:<target-pattern>:<prereq-patternsobjects=foo.oall:$(objects):%.o:$(CC)-c$(CFLAGS)$<-o加下“.c”的后綴，于是依賴的目標(biāo)就是“foo.cbar.c”foo.o:$(