linux-kernel - Re: [PATCH] kbuild: drop FORCE from PHONY targets

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Date:	Tue, 15 Mar 2016 21:45:23 +0100
From:	Michal Marek <mmarek@...e.com>
To:	Andy Lutomirski <luto@...capital.net>
Cc:	Masahiro Yamada <yamada.masahiro@...ionext.com>,
	Fenghua Yu <fenghua.yu@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Russell King <linux@....linux.org.uk>,
	Ingo Molnar <mingo@...hat.com>, X86 ML <x86@...nel.org>,
	"linux-arm-kernel@...ts.infradead.org" 
	<linux-arm-kernel@...ts.infradead.org>,
	Tony Luck <tony.luck@...el.com>,
	Nathan Lynch <nathan_lynch@...tor.com>,
	"linux-kbuild@...r.kernel.org" <linux-kbuild@...r.kernel.org>,
	"linux-ia64@...r.kernel.org" <linux-ia64@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] kbuild: drop FORCE from PHONY targets

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).

Michal