19 lines
189 B
Plaintext

default "a.out";
rule a {
out "a.out";
dep "b1.out";
dep "b2.out";
exec "touch" "a.out";
}
rule b {
out "b1.out";
out "b2.out";
exec "touch" "b1.out";
exec "touch" "b2.out";
}