Re: [PATCH] kbuild: drop FORCE from PHONY targets

From: Andy Lutomirski
Date: Tue Mar 15 2016 - 16:48:43 EST


On Tue, Mar 15, 2016 at 1:45 PM, Michal Marek <mmarek@xxxxxxxx> wrote:
> Dne 15.3.2016 v 19:27 Andy Lutomirski napsal(a):
>> Fair enough, although I'm curious why this happens. It might be worth
>> changing the docs to say that .PHONY is *not* an substitute for FORCE
>> in that context, then.
>
> These two are unrelated, except that FORCE is redundant for a .PHONY
> target. FORCE is our idiom to tell make to always remake the target and
> let us handle the dependencies manually. Listing a target as .PHONY
> tells make that the target will not produce a file of the same name
> (typically, "all", "install", etc).
>

Except that apparently if-changed doesn't work on .PHONY targets that
don't specify FORCE, which confuses me.

--Andy


--
Andy Lutomirski
AMA Capital Management, LLC