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Re: gcc default args

From: Vincent Legoll
Subject: Re: gcc default args
Date: Mon, 18 Jul 2016 16:28:04 +0200

>> 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
> 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

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