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2.7 Rules for Cleaning the Directory
====================================
Compiling a program is not the only thing you might want to write rules
for. Makefiles commonly tell how to do a few other things besides
compiling a program: for example, how to delete all the object files
and executables so that the directory is `clean'.
Here is how we could write a `make' rule for cleaning our example
editor:
clean:
rm edit $(objects)
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2.7 删除目录的规则
也许你写规则不仅仅是为了编译程序。makefie 通常也可以用来作编译一个程序之外的其他事情：例如，
如何删除一个目录下的所有目标文件和可执行文件，以使得该目录干净(clean)。
这里有一个如何写一个 make 规则来清理 editor程序的例子：
clean:
rm edit $(objects)
后文待续
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/2012/09/13/2683622.html，如需转载请自行联系原作者
