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<HTML><HEAD> <TITLE>BBS水木清华站∶精华区</TITLE></HEAD><BODY><CENTER><H1>BBS水木清华站∶精华区</H1></CENTER>TARGET OPTIONS <BR> By default, GNU CC compiles code for the same type of ma- <BR> chine that you are using. However, it can also be in- <BR> stalled as a cross-compiler, to compile for some other <BR> type of machine. In fact, several different configura- <BR> tions of GNU CC, for different target machines, can be in- <BR> stalled side by side. Then you specify which one to use <BR> with the `-b' option. <BR> <BR> In addition, older and newer versions of GNU CC can be in- <BR> stalled side by side. One of them (probably the newest) <BR> will be the default, but you may sometimes wish to use an- <BR> other. <BR> <BR> -b machine <BR> The argument machine specifies the target machine <BR> for compilation. This is useful when you have in- <BR> stalled GNU CC as a cross-compiler. <BR> <BR> The value to use for machine is the same as was <BR> specified as the machine type when configuring GNU <BR> CC as a cross-compiler. For example, if a cross- <BR> compiler was configured with `configure i386v', <BR> meaning to compile for an 80386 running System V, <BR> then you would specify `-b i386v' to run that cross <BR> compiler. <BR> <BR> When you do not specify `-b', it normally means to <BR> compile for the same type of machine that you are <BR> using. <BR> <BR> -V version <BR> The argument version specifies which version of GNU <BR> CC to run. This is useful when multiple versions <BR> are installed. For example, version might be <BR> `2.0', meaning to run GNU CC version 2.0. <BR> <BR> The default version, when you do not specify `-V', <BR> is controlled by the way GNU CC is installed. Nor- <BR> mally, it will be a version that is recommended for <BR> general use. <BR> <BR> <BR><CENTER><H1>BBS水木清华站∶精华区</H1></CENTER></BODY></HTML>
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