From 48f1f0589dd09df6ea07d41c737db3218ad2cb79 Mon Sep 17 00:00:00 2001
From: Sam Ravnborg <sam@mars.ravnborg.org>
Date: Sun, 23 Jul 2006 19:37:44 +0200
Subject: [PATCH] kbuild: consistently decide when to rebuild a target

Consistently decide when to rebuild a target across all of
if_changed, if_changed_dep, if_changed_rule.
PHONY targets are now treated alike (ignored) for all targets

While add it make Kbuild.include almost readable by factoring out a few
bits to some common variables and reuse this in Makefile.build.

Signed-off-by: Sam Ravnborg <sam@ravnborg.org>
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