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order of evaluation for target specific variables

From: Alfred M. Szmidt
Subject: order of evaluation for target specific variables
Date: Wed, 27 Apr 2016 15:25:35 -0400

What are the intended semantics of the following snippet,

        target: foo=zork
        ifeq ($(foo),zork)
                @echo "zork zork"
                @echo "bork bork"

I'm thinking that it should print "zork zork" -- target specific
variables are supposed to have the same priority as if any other make
variable.  But if foo=zork is defined as a non-target specific
variable, the behaviour changes (printing "zork zork").

But then, the current behaviour (printing "bork bork") kinda makes
sense as well.  Is this a subtle "feature" in how target specific
variables are handled?

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