implicit rule problem

[Ajeet Grewal]

Hey guys,

This is my make file.

<< Makefile start >>
%.b:
    ls -al

%.a: %.b
<< Makefile end >>

If I try "make a.a", I get "no rule to make target a.a".

However, trying "make a.b" works as expected. What am I doing wrong?

--
Regards,
Ajeet