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Date: Fri, 22 Jan 2010 05:25:46 -0800
Message-ID: <5bdc1c8b1001220525k72fd4f11g76210dcb20143e45@mail.gmail.com>
Subject: Re: [gentoo-amd64] Please suggest settings and flags in 
	/etc/make.conf?
From: Mark Knecht <markknecht@gmail.com>
To: gentoo-amd64@lists.gentoo.org
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On Thu, Jan 21, 2010 at 3:49 PM, Juan Fco. Giordana
<juangiordana@gmail.com> wrote:
> On 01/22/2010 12:44 AM, Mark Knecht wrote:
>>
>> I'm just installing Gentoo on my first new machine in years. Can
>> anyone suggest which of the CPU flags below might best be added to
>> make.conf? The machine will be a standard desktop running rt-sources
>> and stable Gentoo.
>>
>> This processor is 2 physical cores with hyperthreading enabled in each
>> core.
>>
>> Currently make.conf has only the standard stuff other than me adding
>> the MAKEOPTS line:
>>
>> # These settings were set by the catalyst build script that automatically
>> # built this stage.
>> # Please consult /usr/share/portage/config/make.conf.example for a more
>> # detailed example.
>>
>> ...
>
> See http://en.gentoo-wiki.com/wiki/Safe_Cflags
>
> Also, take a look to what they say about -march=native.
>
> Regards
>

Hi all,
   OK, thanks to everyone for your responses. It's 5AM and I'm going
to try and answer as much as I can to get more info. Things are very
hosed up with this machine after whatever instructions I gave grub
didn't work. At the point where I'm supposed to get a grub splash
screen I get a blinking cursor, then it flashes for less than a second
some of the rootnoverify part from grub.conf so it's finding
something, and then I get a message about windows not starting because
<Windows root>\system32\hal.dll is missing.

   I have not yet this morning booted again from the install CD and
chrooted into the new 64-bit install. As I said, it's 5AM.

   OK, specific to this response there's nothing on the Safe_Cflags
page about this specific processor. (i5-661) I'll continue to study
that and take a very conservative path.

   Today all I want is to boot Gentoo with nothing but @system. I'm
happy to build that 10 times over with new CFLAGS if necessary before
going on to ANYTHING in @world. I don't NEED Gentoo just yet - I want
it but don't need it. What I need is to get grub working and be able
to boot into Windows first so I'm going to focus on that.

Thanks,
Mark