scc

 1#!/bin/sh
 2
 3trap 'rm -f $tmp1' EXIT
 4trap 'exit $?' HUP INT TERM
 5
 6tmp1=tmp1.$$
 7
 8$EXEC scc make -f- MK=test.mk hello <<'EOF' > $tmp1 2>&1
 9MK = fail.mk
10include $(MK)
11EOF
12
13diff $tmp1 - <<EOF
14Hello World!
15EOF