Generate multiple target using single action/rule

Question

How do I write a rule to generate set of files using a single action.

Example: Files x, y, z are generated as a result of single e

Answer 1

You could implement one of the solutions specified in the automake manual.

Because you've tagged this gnumake, I should also point out that using a GNU make pattern rule (the ones with %) with multiple targets WILL consider both generated from one execution of the rule: see the GNU make manual.