Re: 'Generic' pattern rules

[Lane Schwartz]

On Thu, Aug 25, 2011 at 4:30 AM,  <address@hidden> wrote:
> Hello,
>
> Is it possible to write 'generic' pattern rules? For instance:
>
> ----BEGIN----
>
> %.bar: %.foo
>        cat $< >$@
>
> file.bar: file.foo
>
> file2.bar:
>
> anotherfile.bar: file.foo
>
> ----END----
>
> 'file.bar' will be built thanks to the pattern rule.
> 'anotherfile.bar' will not be built because the pattern rule does not match
> (i.e. anotherfile.foo is expected as prerequisite for the pattern rule to be
> matched).
>
> Is there a way to specify pattern rules that tell "here is how to build a
> *.bar file given any *.foo file"?

There is no simple way to do what you are trying to do.

There is probably a complicated way to most (but not all) of what
you're trying to do. Can you give a more detailed example that's
closer to your actual use case?

Cheers,
Lane