scc

 1#!/bin/sh
 2
 3trap 'rm -f $tmp1' EXIT
 4trap 'exit $?' HUP INT TERM
 5
 6tmp1=tmp1.$$
 7
 8($EXEC scc make -f- -- -42 <<'EOF'
 9-42:
10	@echo 'hyphen-target'
11EOF
12
13$EXEC scc make -f- -- MYVAR=-42 <<'EOF'
14all:
15	@@echo MYVAR is $(MYVAR)
16EOF
17
18$EXEC scc make -f- -- MYVAR=myval -42 <<'EOF'
19-42:
20	@echo MYVAR is $(MYVAR)
21EOF
22) > $tmp1
23
24diff $tmp1 - <<EOF
25hyphen-target
26MYVAR is -42
27MYVAR is myval
28EOF