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Re: [HELP] PHONY pattern rule makes the file w/ the same name


From: Paul Smith
Subject: Re: [HELP] PHONY pattern rule makes the file w/ the same name
Date: Thu, 05 Oct 2023 08:48:35 -0400
User-agent: Evolution 3.50.0 (by Flathub.org)

On Wed, 2023-10-04 at 23:50 -0700, Kaz Kylheku wrote:
> Is there a good reason for that? The manual mentions only
> performance:

Well, performance is a good reason.  But if you're looking for other
reasons I don't know; this behavior predates me.

> Say that I want to be able to say "make update-host-foo", such that
> Make will run some remote commands on host "foo". For any host name:

The manual tells you how to do this:

| To always rebuild a pattern rule consider using a “force target” (see
| Rules without Recipes or Prerequisites).

>   update-host-%:
>           ssh $* some command

Rewrite as:

  update-host-%: FORCE
          ssh $* some command

  FORCE:




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