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4.5.2 The `vpath' Directive
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Similar to the `VPATH' variable, but more selective, is the `vpath' directive (note lower case), which allows you to specify a search path for a particular class of file names: those that match a particular pattern. Thus you can supply certain search directories for one class of file names and other directories (or none) for other file names.
There are three forms of the `vpath' directive:
`vpath PATTERN DIRECTORIES'
Specify the search path DIRECTORIES for file names that match PATTERN.
The search path, DIRECTORIES, is a list of directories to be searched, separated by colons (semi-colons on MS-DOS and MS-Windows) or blanks, just like the search path used in the `VPATH' variable.
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4.5.2 vpath 指令
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和 VPATH 变量类似，但是有更多的选择余地的，是 vpath 指令(注意小写字符), 它允许你为一个特定类别的文件名指定搜索路径: 那些可以匹配特定模式者。这样你可以为某种类别的文件指定一个搜索路径，为其余的文件指定其他的搜索路径。
可以有三种形式的 vpath 指令
vpath PATTERN DIRECTORIES
制定满足特定的模式的文件名的搜索路径。
The search path, DIRECTORIES, is a list of directories to be
searched, separated by colons (semi-colons on MS-DOS and
MS-Windows) or blanks, just like the search path used in the
`VPATH' variable.
此搜索路径--DIRECTORIES，是被搜索的目录的列表，用冒号分隔(在MS-DOS和MS-Windows是分号)或者用空格分隔，就和在 VPATH 变量中一样。
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本文转自健哥的数据花园博客园博客，原文链接：http://www.cnblogs.com/gaojian/archive/2012/09/19/2693796.html，如需转载请自行联系原作者
