1
 2.SECONDEXPANSION:
 3all: $$(pre)
 4pre1: ; @testhelp -q out start-$@ sleep 1 out end-$@
 5pre2: ; @testhelp -q out $@
 6pre3: ; @testhelp -q out $@
 7
 8pre = .WAIT pre1 .WAIT pre2 | .WAIT pre3
 9
10# This is just here so we don't fail with older versions of make
11.WAIT: