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Re: HACKING: Fix a recommendation

From: Jose E. Marchesi
Subject: Re: HACKING: Fix a recommendation
Date: Fri, 19 Feb 2021 01:55:35 +0100
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/28.0.50 (gnu/linux)

Hi Bruno.

> In the HACKING file, the recommendation to set CFLAGS='-O2 -m32'
> contradicts what the Autoconf manual says in
> https://www.gnu.org/savannah-checkouts/gnu/autoconf/manual/autoconf-2.70/html_node/Preset-Output-Variables.html
> namely
>   "If an option selects a 32-bit or 64-bit build on a bi-arch system, it must
>    be put direcly into CC, e.g., CC='gcc -m64'. This is necessary for
>    config.guess to work right."
> Here's a proposed patch.

OK for master and poke-0.

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