Make: only build something if the source's md5 checksum was changed

Question

Is it possible to tell make to only build a target if it\'s sources md5 checksum has changed (instead of the edit time)?

I\'m using make to

Answer 1

No, this is not supported by Make — as you've found out, support for this feature is one of the reasons why tools like Scons exist.

I found a manual recipe for GNU make, though. Maybe you can use that as a work around.