$ ../make-3.81-wait/make -j WAIT=.WAIT all
Starting update of a
Starting update of b
touch a
Finished update of a
touch b
Finished update of b
Starting update of c
Starting update of d
Starting update of u-e
Starting update of u-f
touch c
Finished update of c
touch u-e
Finished update of u-e
touch d
Finished update of d
Starting update of t-e
touch u-f
Finished update of u-f
Starting update of t-f
touch t-f
Finished update of t-f
touch t-e
Finished update of t-e
Starting update of s-e
Starting update of s-f
touch s-e
Finished update of s-e
touch s-f
Finished update of s-f

$ ../make-3.81-wait/make -j WAIT=.WAIT all2
Starting update of b
Starting update of c
Starting update of a
touch c
Finished update of c
touch b
Finished update of b
touch a
Finished update of a
Starting update of d
Starting update of e
touch d
touch e
Finished update of d
Finished update of e
Starting update of f
Starting update of g
Starting update of h
touch f
touch g
Finished update of f
Finished update of g
touch h
Finished update of h
Starting update of i
touch i
Finished update of i
Starting update of j
Starting update of k
touch j
Finished update of j
touch k
Finished update of k

$ ../make-3.81-wait/make -j WAIT=.WAIT all3
Starting update of b
Starting update of a
Starting update of c
Starting update of i
Starting update of j
touch a
Finished update of a
touch i
Finished update of i
touch b
Finished update of b
touch j
Finished update of j
touch c
Finished update of c
Starting update of d
touch d
Finished update of d
Starting update of e
touch e
Finished update of e
Starting update of f
touch f
Finished update of f
Starting update of g
touch g
Finished update of g
Starting update of h
touch h
Finished update of h