Re: pattern rules example

[Ralf Wildenhues]

* Thien-Thi Nguyen wrote on Tue, Aug 17, 2010 at 10:46:32PM CEST:
> () Ralf Wildenhues <address@hidden>

>    Can we find a transformation that is known to most readers, not already
>    done by automake, general enough to be portable, and short enough to
>    serve as a quick example?  If a real-world one can't be found, then we
>    can still use a fake .foo -> .bar one.
> 
> One real world example (that is, real for me) is generation of .texi from
> another format (in my case, .texh).  However, this is a messy area WRT
> source vs target directories

Indeed; explaining the details might take more space than the actual
example.

> So .foo -> .texi can be excluded, i think.  Perhaps the OP context of
> converting an image from one format to another is as good as any.  It is
> real-world; it can be adapted to cohese w/ the GNU Coding Standards should the
> latter be extended to image formats in the future.  Hmmm, having written that,
> a similar idea (in spirit) comes to mind: .cdda -> .ogg -- WDYT?

Format conversion seems like a good idea, ideally one that's about free
formats and using free and portable tools?

Thanks!
Ralf