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Re: simple explanation for order-only prerequisite?


From: David Deutsch
Subject: Re: simple explanation for order-only prerequisite?
Date: Tue, 5 Nov 2019 05:13:08 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.8.0

On 05.11.19 04:51, Kaz Kylheku (gmake) wrote:
> Why would we make a directory order-only? Because it's not a
> real input to the build.

That has always been the crux for me about understanding order-only
prerequisites: - It's an OOP if the prerequisite is not directly /used/
in the recipe for the target.

mytarget: [things that are used in the recipe] | [things that need to
"be there" before the recipe is executed]
    mybin $< > $@

-David



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