Re: Wording in GNU Make manual regarding phony targets

[Johan Bezem]

Hi,

Dave Hylands wrote:
> ...
> I would amend that slightly. Certainly for "normal" makefiles this is
> the case. But if you have targets which you want remade everytime you
> run make, then this is the way to do it.
>
> For example, I typically have a rule like:
>
> FORCE:
>
> .PHONY: FORCE
>
> %.pp : %.c FORCE
>    ...run compiler to produce preprocessor output into .pp file...
>
> I normally use this for debugging macros and other oddities. The %.pp
> is never a normal target, but always used explicitly on the command
> line ...

... and using 'recursive make', I use the same FORCE target to enforce 
recursion like in:

.PHONY: FORCE $(subdirs) clean

clean: FORCE
<tab>{Commands to clean this level...}

FORCE : $(subdirs)

$(subdirs):
<tab>$(MAKE) --directory=$@ ...

At least in part thanks to Paul's hints on his website!

FWIW,

Johan
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