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List:       autoconf
Subject:    Re: Future plans for Autotools
From:       Gavin Smith <gavinsmith0123 () gmail ! com>
Date:       2021-01-25 23:07:16
Message-ID: CAKPWYQ2ggTdA8CtcLmiwv1j52dBRr1Ku0D7XP8b+t21-CFr1Qg () mail ! gmail ! com
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On Mon, Jan 25, 2021 at 10:59 PM Gavin Smith <gavinsmith0123@gmail.com> wrote:
> storing the value that should be in CC in the file CC.conf.  Does this
> work or does GNU make have other ways of doing this?  (It would be
> better if it could be done without communicating via files.)  Is there
> any way to set a Makefile variable from within a rule and then depend upon
> that variable being set in other rules?

Replying to self: I read that there is something called an "order-only
prerequisite" that could be for the rule that sets CC. This would be
set using the $(eval ...) construct. Somebody who knows more than me
about GNU make could confirm.

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

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