1
 2all: A B
 3A ::; @testhelp -q out A-1 file A-1-done wait B-1-done out A-1-done
 4A ::; @testhelp -q out A-2 file A-2-done wait B-2-done out A-2-done
 5A ::; @testhelp -q out A-3 file A-3-done wait B-3-done out A-3-done
 6B ::; @testhelp -q wait A-1-done out B-1 out B-1-done file B-1-done
 7B ::; @testhelp -q wait A-2-done out B-2 out B-2-done file B-2-done
 8B ::; @testhelp -q wait A-3-done out B-3 out B-3-done file B-3-done
 9
10# This is just here so we don't fail with older versions of make
11.WAIT: