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Re: Setting target execution order
From: |
Noel Yap |
Subject: |
Re: Setting target execution order |
Date: |
Mon, 24 Nov 2003 22:49:03 -0500 |
Matt Perry wrote:
>
> On Mon, 24 Nov 2003, Noel Yap wrote:
>
> > Can you supply a /really/ stripped down version and provide explanations
> > as to why creating prereq's for the target "gzip" won't work in your
> > situation?
>
> Sorry about the previous makefile. Here's a better one:
>
> a:
> touch a
>
> b:
> touch b
>
> all: a b
>
> gzip:
> -gzip a
> -gzip b
>
> What I want to do is optionally add 'gzip' at the end of my target list.
> gzip can't have any prerequisites because I might only want to build a, or
> only build b. I was just hoping to have some error checking so that if
> gzip was present and wasn't the last target, it could be moved to the last
> target. I tried manipulating MAKECMDGOALS but it appears that variable is
> for reference only. Is there a way to change the order of the goals from
> within the makefile or am I best off just exiting with a warning if the
> targets aren't in the order I need?
I see. I think Paul has a RFE about optional prereq's that sounds like exactly
what you want.
I'm not sure what you mean by reference only. Have you tried:
gzip: $(filter-out gzip,$(MAKECMDGOALS))
Also, I had meant to say this before, but got distracted, you can't rely on the
order of target invocation. For example, what if --jobs were used?
HTH,
Noel
- Setting target execution order, Matt Perry, 2003/11/24
- Re: Setting target execution order, Noel Yap, 2003/11/24
- Re: Setting target execution order, Matt Perry, 2003/11/24
- Re: Setting target execution order, Noel Yap, 2003/11/24
- Re: Setting target execution order, Paul D. Smith, 2003/11/24
- Re: Setting target execution order, Matt Perry, 2003/11/24
- Re: Setting target execution order,
Noel Yap <=
- Re: Setting target execution order, Matt Perry, 2003/11/25
- Re: Setting target execution order, Noel Yap, 2003/11/25
- Re: Setting target execution order, Paul D. Smith, 2003/11/25
- Re: Setting target execution order, Matt Perry, 2003/11/25
- Re: Setting target execution order, Noel Yap, 2003/11/25
Re: Setting target execution order, Paul D. Smith, 2003/11/24