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Message-ID: <a23345650612191118v1c69e81bs951aee85cf7b9cae@mail.gmail.com>
Date: Tue, 19 Dec 2006 20:18:04 +0100
From: Jakob <jak.gentoo@googlemail.com>
To: gentoo-user@lists.gentoo.org
Subject: [gentoo-user] CFLAGS Core2Duo
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Hi all,

I have a Core2Duo T5600 1,83 MHz in my notebook. Today I read on the
GentooWeeklyNewsletter to use "-march=nocona (and an amd64 profile) for Core
2 Solo/Duo"

Currently I'm using:
CFLAGS="-O2 -march=pentium-m -pipe"
CHOST="i686-pc-linux-gnu"
CXXFLAGS="${CFLAGS}"
MAKEOPTS="-j3"
and
/usr/portage/profiles/default-linux/x86/2006.1/desktop/
as profile and gcc -v told me I'm using 4.1.1-r1

Now my questions:
1. What wold be the benefits of chanching the CFLAGS?
2. After chanching do I have to emerge everithing again? or what should I
do?
3. They mentiont to use a amd64 profile, does this mean to use 64bit?
because I would like to stay with 32bit.
4. I used gcc -v to check the gcc verison I'm using, is this the rigth
command?

Thanks for any help

Jakob

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Hi all,<br><br>I have a Core2Duo T5600 1,83 MHz in my notebook. Today I read on the GentooWeeklyNewsletter to use &quot;-march=nocona (and an amd64 profile) for Core 2 Solo/Duo&quot;<br><br>Currently I&#39;m using:<br>CFLAGS=&quot;-O2 -march=pentium-m -pipe&quot;
<br>CHOST=&quot;i686-pc-linux-gnu&quot;<br>CXXFLAGS=&quot;${CFLAGS}&quot;<br>MAKEOPTS=&quot;-j3&quot;<br>and <br>/usr/portage/profiles/default-linux/x86/2006.1/desktop/<br>as profile and gcc -v told me I&#39;m using 4.1.1-r1
<br><br>Now my questions:<br>1. What wold be the benefits of chanching the CFLAGS?<br>2. After chanching do I have to emerge everithing again? or what should I do?<br>3. They mentiont to use a amd64 profile, does this mean to use 64bit? because I would like to stay with 32bit.
<br>4. I used gcc -v to check the gcc verison I&#39;m using, is this the rigth command?<br><br>Thanks for any help<br><br>Jakob<br>

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