From: Vincent Legoll <vincent.legoll@gmail.com>
To: "Ludovic Courtès" <ludo@gnu.org>
Cc: help-guix@gnu.org
Subject: Re: gcc default args
Date: Mon, 18 Jul 2016 16:28:04 +0200 [thread overview]
Message-ID: <CAEwRq=qNjVfiv79WmSWJjntKB=XgLqn3pEXPSo7G4uWTBNfgHw@mail.gmail.com> (raw)
In-Reply-To: <878twzrvwp.fsf@gnu.org>
>> I searched for a way to set gcc's -march globally, for the whole distro,
>> is this possible with guix ?
>
> It’s possible, but inconvenient: you’d have to modify (guix build
> gnu-build-system), or to add a GCC wrapper that appends “-march=foo”.
OK thanks, I'll try it
> However, because you’d be building things differently, you wouldn’t be
> able to use substitutes provided by mirror.hydra.gnu.org.
>
> Likewise, binaries built on your machine may be unusable on other
> machines, if you use -march=native or similar.
Yes, I know the consequences, I'm not distributing the resulting system.
--
Vincent Legoll
prev parent reply other threads:[~2016-07-18 14:28 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-18 7:14 gcc default args Vincent Legoll
2016-07-18 12:08 ` Ludovic Courtès
2016-07-18 14:28 ` Vincent Legoll [this message]
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