Re: existence of prerequisite

[Ken Smith]

I've never needed anything more than order-only prerequisites along these lines.

 http://www.gnu.org/software/make/manual/make.html#Prerequisite-Types

Here's a quick example.

dir/file : | dir/ ; touch $@
dir/ : ; mkdir -p $@

In this case dir/ is an order-only prerequisite of dir/file.  The
timestamp of dir/ isn't considered when updating dir/file, only its
existence.

 Ken

On 10/16/06, Aditya Kher <address@hidden> wrote:
> I was looking for something similar to this.
> http://savannah.gnu.org/support/?104345
>
> at minimum, a tip on "make-style" existence checking for a
> prerequiste, say a directory.
>
> how do i do that?
>
>
> --
> Aditya Kher
> http://kher.org
>
>
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