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Date: Wed, 28 Jan 2015 13:41:53 +0800
From: Julian Elischer <julian@freebsd.org>
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To: "current@freebsd.org" <current@FreeBSD.ORG>, sjg@freebsd.org
Subject: bmake and .USEBEFORE
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If I try the following:

bar: .USE
         @echo @ = $(@)
all: bar
         @echo here is all


I always get "bar is up to date"


Does anyone know how this is supposed to work?