PHONY += all lst sub-make all lst _all: sub-make @: what does the @: mean?
时间: 2024-06-07 07:10:11 浏览: 223
make-3.81.zip
In a Makefile, the `@` prefix is used to suppress the echoing of the command that is being executed.
In this specific case, `@:` is a no-op command that does nothing. It is used to suppress the output that would normally be printed to the console when executing the Makefile.
So `@:` is essentially telling Make to do nothing, but do it quietly without printing anything to the console.
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