request for timings - makedepend

[Zack Weinberg]

Tom Tromey <tromey@redhat.com> writes:

> Automake also doesn't do a separate "make depend" step.  Dependencies
> are computed as a side effect of compilation.

I would take this approach if there were a sensible way to deal with
the generated sources.

> Computed headers are dealt with somewhat clumsily in automake.  As a
> user you specify "BUILT_SOURCES", and then these are built by 'all'
> before anything else is done.

This might not be all that bad in gcc land.  It's good to generate all
the generated sources up front, because certain of them tend to
bottleneck a parallel build anyway (I think you know which ones I
mean).  One problem I see is that the set of gt-*.h files is large and
cannot be easily determined up front.

zw