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