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      <H1 class=aTitle>GCC 中文手册</H1></DIV>
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          <TD width=120>[日期:<SPAN id=TimeLabel>2005-1-3</SPAN>]</TD>
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            作者:<SPAN id=AuthorLabel>徐明</SPAN></TD>
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      <P>GCC <BR>Section:&nbsp;GNU&nbsp;Tools&nbsp;(1) 
      <BR>Updated:&nbsp;2003/12/05 
      <BR>Index&nbsp;Return&nbsp;to&nbsp;Main&nbsp;Contents&nbsp;&nbsp;&nbsp;&nbsp; 
      <BR>NAME <BR>gcc,g++-GNU工程的C和C++编译器(egcs-1.1.2)&nbsp;&nbsp;&nbsp; 
      <BR>总览(SYNOPSIS) <BR>gcc[option|filename&nbsp;]...&nbsp; 
      <BR>g++[option|filename&nbsp;]...&nbsp; <BR><BR>警告(WARNING) 
      <BR>本手册页内容摘自GNU&nbsp;C编译器的完整文档,仅限于解释选项的含义.&nbsp; 
      <BR>除非有人自愿维护,否则本手册页不再更新.如果发现手册页和软件之间有所矛盾,请查对Info文件,&nbsp;Info文件是权威文档.&nbsp; 
      <BR><BR>如果我们发觉本手册页的内容由于过时而导致明显的混乱和抱怨时,我们就停止发布它.不可能有其他选择,象更新Info文件同时更新man手册,因为其他维护GNU&nbsp;CC的工作没有留给我们时间做这个.&nbsp;GNU工程认为man手册是过时产物,应该把时间用到别的地方.&nbsp; 
      <BR><BR>如果需要完整和最新的文档,请查阅Info文件`gcc’或Using&nbsp;and&nbsp;Porting&nbsp;GNU&nbsp;CC&nbsp;(for&nbsp;version&nbsp;2.0)&nbsp;(使用和移植GNU&nbsp;CC&nbsp;2.0)&nbsp;手册.二者均来自Texinfo原文件&nbsp;gcc.texinfo.&nbsp; 
      <BR><BR><BR>描述(DESCRIPTION) 
      <BR>C和C++编译器是集成的.他们都要用四个步骤中的一个或多个处理输入文件:&nbsp;预处理(preprocessing),编译(compilation),汇编(assembly)和连接(linking).源文件后缀名标识源文件的&nbsp;语言,但是对编译器来说,后缀名控制着缺省设定:&nbsp; 
      <BR>gcc&nbsp; <BR>认为预处理后的文件(.i)是C文件,并且设定C形式的连接.&nbsp; <BR>g++&nbsp; 
      <BR>认为预处理后的文件(.i)是C++文件,并且设定C++形式的连接.&nbsp; <BR>源文件后缀名指出语言种类以及后期的操作:&nbsp; 
      <BR><BR><BR>.c&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C源程序;预处理,编译,汇编 
      <BR>.C&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C++源程序;预处理,编译,汇编 
      <BR>.cc&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;C++源程序;预处理,编译,汇编 
      <BR>.cxx&nbsp;&nbsp;&nbsp;&nbsp;C++源程序;预处理,编译,汇编 
      <BR>.m&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Objective-C源程序;预处理,编译,汇编 
      <BR>.i&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;预处理后的C文件;编译,汇编 
      <BR>.ii&nbsp;&nbsp;&nbsp;&nbsp;预处理后的C++文件;编译,汇编 
      <BR>.s&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;汇编语言源程序;汇编 
      <BR>.S&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;汇编语言源程序;预处理,汇编 
      <BR>.h&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;预处理器文件;通常不出现在命令行上 
      <BR><BR><BR><BR>其他后缀名的文件被传递给连接器(linker).通常包括:&nbsp; 
      <BR><BR>.o&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;目标文件(Object&nbsp;file) 
      <BR>.a&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;归档库文件(Archive&nbsp;file) 
      <BR><BR><BR><BR>除非使用了-c,&nbsp;-S,或-E选项(或者编译错误阻止了完整的过程),否则连接总是&nbsp;最后的步骤.在连接阶段中,所有对应于源程序的.o文件,&nbsp;-l库文件,无法识别的文件名(包括指定的&nbsp;.o目标文件和.a库文件)按命令行中的顺序传递给连接器.&nbsp; 
      <BR><BR><BR>选项(OPTIONS) 
      <BR>选项必须分立给出:&nbsp;`-dr’完全不同于`-d&nbsp;-r&nbsp;’.&nbsp; 
      <BR>大多数`-f’和`-W’选项有两个相反的格式:&nbsp;-fname和&nbsp;-fno-name&nbsp;(或-Wname和-Wno-name).这里&nbsp;只列举不是默认选项的格式.&nbsp; 

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