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installing on laptop... need to know which architectureHELP!
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whiskers
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PostPosted: Sun Jul 17, 2005 12:10 am    Post subject: installing on laptop... need to know which architectureHELP! Reply with quote

im installing gentoo on an intel pentinum m centrino processor laptop and i dont know which architecture to choose off the disk. can someone help?
thanks


Last edited by whiskers on Sun Jul 17, 2005 1:52 am; edited 1 time in total
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dgaffuri
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PostPosted: Sun Jul 17, 2005 12:35 am    Post subject: Reply with quote

I use

Code:
-march=pentium4


ant it seems to work.
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whiskers
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PostPosted: Sun Jul 17, 2005 12:54 am    Post subject: Reply with quote

dgaffuri wrote:
I use

Code:
-march=pentium4


ant it seems to work.


so i would choose the pentinum 4 stage tarball from the cd?
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codergeek42
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PostPosted: Sun Jul 17, 2005 1:05 am    Post subject: Reply with quote

You should not use Pentium4 tarballs, as the P-M instruction set does not support MMX2 and a few other things, whereas the P4 does. You should use the Pentium3 binary tarballs. Your CFLAGS should contain "-march=pentium-m" if you're using GCC 3.4.x (or being very brave and using one of the GCC4 snapshots) or "-march=pentium3 -msse2" if you're using GCC 3.3.x; also you should make sure your USE flags in /etc/make.conf contain "mmx -mmxext sse sse2" so that any relevant ebuilds can take advantage of this.

You'll also want to configure your kernel for the Pentium M (CONFIG_MPENTIUM, under "Processor type and features :arrow: Processor family").
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whiskers
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PostPosted: Sun Jul 17, 2005 1:35 am    Post subject: Reply with quote

codergeek42 wrote:
also you should make sure your USE flags in /etc/make.conf contain "mmx -mmxext sse sse2" so that any relevant ebuilds can take advantage of this.


the installation handbook says to not make any modifications to the use variable if you're performing a stage 3 with grp installation. im doing a stage 3 install but i dont know what grp is? should i still do what you said?
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mark_alec
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PostPosted: Sun Jul 17, 2005 5:31 am    Post subject: Reply with quote

A grp installation is one using the binary packages of the optional package-cd. If you are not using that then it is safe to change your use flags.
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tomk
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PostPosted: Sun Jul 17, 2005 1:11 pm    Post subject: Reply with quote

Moved to Duplicate Threads, please see this topic https://forums.gentoo.org/viewtopic-t-180045.html
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