android - -include 在 Android.mk 文件中是什么意思？

Question

我是 Android makefile 的新手。在阅读这篇文章时 file我看到一个“-include”语句。

这对构建系统意味着什么？

Answer 1

include 只是意味着应该包含另一个 makefile。 - 意味着如果要包含的文件不存在，它将被忽略:

We can also put a minus sign - in front of include (with no space in-between) to ignore filenames that do not exist. For example:

-include makefile1 makefile2 makefile3

If makefile2 does not exist, then make will skip it, and no error will occur. In general, inserting a minus sign in front of any command tells make to ignore errors that might occur during the execution of that command.

( source )