Re: cost of -MP

[Boris Kolpackov]

Noel Yap <address@hidden> writes:

> Sorry for the confusion and for inadvertently implying you were stupid.

I was just joking ;-)

 
> Currently, are the dependencies files regenerated due to a "-include", or 
> as part of the object file being built?

The latter.


> When you say "re-exec", do you mean a re-exec due to an included makefile 
> being rebuilt?  Or due to make recursively calling itself?

The latter again. All those re-execs are done explicitly via "make -C ...".


> Can you elaborate on what you mean by "up-to-date build" below?

It means that everything is up-to-date. When you run make on such a build
no files change and make happily says that nothing needs to be done. That's
what you usually get when you run make second time on the same build.

-boris

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