$ make target2 target1
2
1
target2: var := 2
@echo $(var)
*** commands commence before first target. Stop.
$ make var=10 target1 target2
10
10
$ make -e var=18 target1 target2
18
18
$ make -e var=18 target1 target2
18
2
$ make var=18 target1 target2
18
2
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