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variables query

From: Payal
Subject: variables query
Date: Sat, 17 Apr 2010 06:01:09 -0700
User-agent: Mutt/1.5.18 (2008-05-17) 
Hello,
My makefile is,


.PHONY : all
DATE1 := $(shell date +%H%M%S)
DATE2 = $(shell date +%H%M%S)

all :
    sleep 20
    @echo ---------- `date +%H%M%S` -----------
    @echo variable1 = $(DATE1)
    @echo variable2 = $(DATE2)


$ make  
sleep 20
---------- 182005 -----------
variable1 = 181945
variable2 = 181945

I expected variable2 = 182005, because it comes from $(DATE2) which is
recursively expanded. What am I missing?


With warm regards,
-Payal
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