scc

 1#!/bin/sh
 2
 3trap 'rm -f $tmp1 file.c file.o' EXIT
 4trap 'exit $?' HUP INT TERM
 5
 6tmp1=tmp1.$$
 7
 8touch file.c
 9MAKEFLAGS=-r \
10$EXEC scc make -f test.mk file.o print-makeflags > $tmp1 2>&1
11
12diff $tmp1 - <<EOF
13-r
14EOF