Re: Avoid modifying 'configure' or 'makefile' if no changes

> [...] If you don't update the timestamps, then every time you run make subsequently
> autoconf and automake will be re-run again

You are right. I guess there is no way to avoid the rebuilds then, without resorting to more complicated content-based change detection. The only thing I can do is to speed up the identical builds with ccache.

Regards,
   rdiez