On Tue, 2015-05-05 at 07:49 -0700, ja...@lottspot.com wrote:
> file.out: %.cached
> cat $^ > file.out
This is not a pattern rule. A pattern rule must have a pattern match
(the "%") in the TARGET, because it matches any of a set of targets.
Having a pattern in the prerequisite is optional, but there must be one
in the target, or else it's an explicit rule... and thus it depends on
the explicit prerequisite named, literally, '%.cached'.
To make this a pattern rule you'd need to write:
%.out : %.cached
cat $^ > $@
or similar.
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