Re: do phony deps take "precedence" over regular deps?

[Noel Yap]

Technically, you oughtn't even rely on the left-to-right traversal since the 
order is undefined /and/ will even occur in parallel when the -j flag is used.  
Makefiles ought to be coded with -j in mind.

HTH,
Noel

John Graham-Cumming wrote:

> On Mon, 2005-02-07 at 09:54, Robert P. J. Day wrote:
>
> > $(Program): build_msg (OBJECTS) $(BUILTINS_DEP) ...
> >         ... regular commands here ...
> >
> > .PHONY: build_msg
> > build_msg:
> >         @printf ... building $(Program) ...
> >
> > the text reads:
> >
> >  "Because the printf is in a phony target, the message is printed
> > immediately before any prerequisites are updated."
> >
> > really?
>
>
> No.  Just try an experiment:
>
>     .PHONY: all
>     all: real-target phony-target other-real-target
>
>     real-target: ; @echo $@
>     other-real-target: ; @echo $@
>
>     .PHONY: phony-target
>     phony-target: ; @echo $@
>
> And you'll see the output is
>
>     real-target
>     phony-target
>     other-real-target
>
> Try permuting the prerequisites of all and you see that Make traverses
> them left to right.  PHONY only affects whether the prerequisite will be
> updated or not.
>
> John.