Re: how to enforce ordering on a set of targets?

[Noel Yap]

Robert P. J. Day wrote:

> On Wed, 26 Jan 2005, Paul D. Smith wrote:
>
> ok, here's what i'm doing in a bit more detail.  it's a recursive
> make, where i'm using a trick i saw (in the make manual, i think) that
> allows me to process subdirectories in parallel.  in slightly
> simplified form:

IIUC, this "trick" is no longer necessary.

>   *now*, i want to add another target, "populate", which works almost
> the same way but it has to do some preliminary processing in this
> makefile before the recursive (potentially parallel) call to the
> subdirectories.
>
>   if i call this preliminary processing step, say, "pre-populate", i
> can't just do this:
>
>   populate: pre-populate ${SUBDIRS}
>
> as those steps would be allowed to be done in parallel, which is not
> good.  and i can't add
>
>   ${SUBDIRS}: pre-populate
>
> since that dependency should *only* take effect when i'm invoking the
> makefile with the "populate" target, and no others.

Then it sounds like you need to use order rules.

Noel