Re: make: order-only prerequisites?

[Thomas Klausner <wiz%NetBSD.org@localhost>]

On Sun, Jan 22, 2017 at 07:12:22PM +0000, Christos Zoulas wrote:
> In article <20170122174627.yjcvgdvn653wvt5d@danbala>,
> Thomas Klausner  <tk%giga.or.at@localhost> wrote:
> >Hi!
> >
> >GNU make supports order-only prerequisites. For details, see
> >https://www.gnu.org/software/make/manual/html_node/Prerequisite-Types.html
> >
> >Is there an equivalent in BSD make?
> 
> Our | -> .WAIT

No, that's not the same.

.WAIT means that everything before .WAIT needs to be built before make
builds the stuff after it.

GNU make's '|' means that everything after the | needs to exist, but
the target does not need to be rebuilt if anything to the right of |
changes (IIUC).
 Thomas