1
 2all: 1 2; @testhelp out success
 3-include 1.inc 2.inc
 4.RECIPEPREFIX := >
 51.inc:
 6> @testhelp file ONE.inc wait THREE.inc file TWO.inc
 7> @echo '1: ; @testhelp file ONE wait THREE file TWO' > $@
 82.inc:
 9> @testhelp wait ONE.inc file THREE.inc
10> @echo '2: ; @testhelp wait ONE file THREE' > $@