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我怎么能够抓住两个司之间的国库差异。
原标题:How can I capture GNUMake differences between two directories

在我从父母的名录中抽打时,我有ake笑的问题,事情是不同的,做的不是要打它需要和失败的所有东西,而是如果我拿到该名录,并做些什么来打造。

我如何能够让格瓦克人民联盟告诉我,这两者之间的差别如何? 父母必须确定一些变数,以打破孩子的境遇,但我需要帮助确定如何追踪这些变量。

最佳回答

如果从母系中操作<条码>make,则未能建立<条码>。 如果未能做到这一点,则在两份名录(到<>>>>>>上尝试使用make -n foo.o。 指挥部而不是“executing > ,看看它以不同方式做什么。 如果它成功,那么它甚至没有试图建立<代码>foo.o。 由母体名录操作的,make -n可提供一些照明,作为最后手段make -d,将给您提供决定过程的信息why。 它做了些什么。

这里是一小trick,可以看到变量的价值。 在您的文件中阐明这一规则:

show_%:
    @echo $@ is $($*)

现在,你可以操作<代码>make式显示_FOO,并将显示变式FO/code>的价值。

最后,你们是否知道你在什么地方建立你的文件? 利用there 建造文件here,但不是周围的另一种方式,会非常好,这样,如果你不小心,就会失去中间档案的轨道。

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