GNU make manual 翻译( 一百四十九)

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5.7.4 The `--print-directory' Option
------------------------------------If you use several levels of recursive `make' invocations, the `-w' or
`--print-directory' option can make the output a lot easier to
understand by showing each directory as `make' starts processing it and
as `make' finishes processing it.  For example, if `make -w' is run in
the directory `/u/gnu/make', `make' will print a line of the form:make: Entering directory `/u/gnu/make'.

before doing anything else, and a line of the form:make: Leaving directory `/u/gnu/make'.

when processing is completed.Normally, you do not need to specify this option because `make' does
it for you: `-w' is turned on automatically when you use the `-C'
option, and in sub-`make's.  `make' will not automatically turn on `-w'
if you also use `-s', which says to be silent, or if you use
`--no-print-directory' to explicitly disable it.

5.7.4 '--print-directory' 选项
------------------------------------

如果你有几层的递归式make激活，-w 或者 --print-directory 选项能够通过显示make开始处理的每一个目的和结束处理的每一个目录，使得输出更加容易理解。例如，如果 make -w 正在目录 /u/gnu/make目录下运行，在作任何事情之前，make 将会打印出一行：

make: Entering directory `/u/gnu/make'.

处理结束后，会打印:

make: Leaving directory `/u/gnu/make'.

通常，你不需要设定这个选项，因为 make 会为你做这件事：当你使用 -C 选项，-w 是自动打开的，并且在子make中，如果你也使用了 -s，make 不会自动打开 -w。-s 表示要保持静默，或者如果你显式使用了 --no-print-directory，也不会打开 -w。

后文待续

转载于:https://www.cnblogs.com/gaojian/archive/2012/10/02/2710277.html

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