Debugging flags can be pretty useful.
调试标记可能会非常有用。
Note that you can specify options and flags on the command line this way. For instance, if you want to compile with debugging symbols, try this.
要注意的是，这样您可以在命令行中指定选项和标记。
These flags are not especially portable but may be necessary to understand in debugging a makefile.
这些标记的可移植性并不好，但是对于理解makefile来说却是必须的。
These flags are not especially portable but may be necessary to understand in debugging a makefile.
这些标记的可移植性并不好，但是对于理解makefile来说却是必须的。
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