使所有规则取决于 Makefile 本身
当我更改 Makefile 时，它的规则可能已更改，因此应该重新评估它们，但 make 似乎并不这么认为。
有没有什么办法可以说，在 Makefile 中，它的所有目标，无论是哪个，都依赖于 Makefile 本身？ （不管它的名字是什么。）
我正在使用 GNU make。
When I change a Makefile, its rules may have changed, so they should be reevaluated, but make doesn't seem to think so.
Is there any way to say, in a Makefile, that all of its targets, no matter which, depend on the Makefile itself?
(Regardless of its name.)
I'm using GNU make.
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这看起来像是 Make 应该能够做到的一件更简单、有用、合乎逻辑的事情，但事实并非如此。
这是一个解决方法。如果
clean规则设置正确，只要 makefile 被更改，Make 就可以使用空的dummy文件作为标记来执行它。这适用于大多数目标，即是实际文件并被 clean 删除的目标，以及依赖于它们的任何目标。副作用目标和一些
PHONY目标会漏网。This looks like one more simple, useful, logical thing that Make should be able to do, but isn't.
Here is a workaround. If the
cleanrule is set up correctly, Make can execute it whenever the makefile has been altered, using an emptydummyfile as a marker.This will work for most targets, that is targets that are actual files and that are removed by clean, and any targets that depend on them. Side-effect targets and some
PHONYtargets will slip through the net.自 GNU make 4.3 版本以来，现在可以使用这两个 特殊变量：
让每个目标都依赖于当前的 make 文件：
将以下行放在文件顶部附近（在任何包含之前，因为它会影响 MAKEFILE_LIST）：
让每个目标都依赖于当前的 make 文件以及包含的 make 文件
将以下行放在文件末尾：
Since GNU make version 4.3 it is now possible with the use of those two special variable:
To have every target depend on the current make file:
Put near the top of the file (before any include since it would affect the MAKEFILE_LIST) the following line:
To have every target depend on the current make file and also the make files which were included
Put the following line at the end of your file:
我知道的唯一答案是将 makefile 显式添加到依赖项中。例如，
The only answer I know to this is to add makefile explicitly to the dependencies. For example,