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To: gentoo-user@lists.gentoo.org
From: Nikos Chantziaras <realnc@gmail.com>
Subject: [gentoo-user] Re: CFLAGs for kernel compilation
Date: Thu, 30 Apr 2015 02:52:58 +0300
Organization: Lucas Barks
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References: <5540C101.70906@ramses-pyramidenbau.de>	<20150429133315.0678687f@digimed.co.uk>	<CAPife4kqDapthAqAkpgtf77N3vJhyiCn3UoZWVAP9H+1xBwB=A@mail.gmail.com>	<5540DA1F.8030605@ramses-pyramidenbau.de> <pan.2015.04.29.13.35.30@googlemail.com>
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On 29/04/15 16:35, Holger Hoffstätte wrote:
> On Wed, 29 Apr 2015 15:18:23 +0200, Ralf wrote:
>
>> Damn, you're absolutely right.
>>
>> I just tested it using make V=1.
>> kernel make does override CFLAGs from the outside.
>>
>> But that's interesting: my processor supports -march=core-avx2 and none
>> of the linux kernel processor family uses this flag...
>
> https://github.com/graysky2/kernel_gcc_patch

This is already applied when enabling the "experimental" USE flag. At 
least, that's what the docs claim:

   $ equery uses gentoo-sources