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adam_qin
n00b
Joined: 17 Sep 2012
Posts: 4
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 Posted: Mon Sep 17, 2012 6:37 am Post subject: Pure 64 bit system. |
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Hi,I'm adam.
I want a pure 64 bit system.
And I'm squeamish, can I delete lib32 manually? |
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The Doctor
Moderator
Joined: 27 Jul 2010
Posts: 2678
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| Posted: Mon Sep 17, 2012 6:48 am Post subject: |
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Reset your profile to the no multilib 64 bit profile (eselect profile list). Running emerge -auND world followed by emerge -ac should do it.
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First things first, but not necessarily in that order.
Apologies if I take a while to respond. I'm currently working on the dematerialization circuit for my blue box. |
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adam_qin
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Joined: 17 Sep 2012
Posts: 4
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| Posted: Mon Sep 17, 2012 7:04 am Post subject: |
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| Can I delete the lib symbolic link and rename lib64 to lib? |
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The Doctor
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Joined: 27 Jul 2010
Posts: 2678
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| Posted: Mon Sep 17, 2012 7:29 am Post subject: |
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I would not. The procedure I outlined should handle the transition for you. You will need to change your use flags, which changing your profile does, and clean out any 32 bit dependencies which the emerge world will fix. I don't think it would work to just delete the libraries as that would probably give portage a heart attack. You should let the package manager do its work.
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First things first, but not necessarily in that order.
Apologies if I take a while to respond. I'm currently working on the dematerialization circuit for my blue box. |
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adam_qin
n00b
Joined: 17 Sep 2012
Posts: 4
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| Posted: Mon Sep 17, 2012 10:42 am Post subject: |
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| The Doctor wrote: | | I would not. The procedure I outlined should handle the transition for you. You will need to change your use flags, which changing your profile does, and clean out any 32 bit dependencies which the emerge world will fix. I don't think it would work to just delete the libraries as that would probably give portage a heart attack. You should let the package manager do its work. |
Thank you very much! |
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gerard27
Advocate
Joined: 04 Jan 2004
Posts: 2377
Location: Netherlands
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| Posted: Mon Sep 17, 2012 11:47 am Post subject: |
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Just curious,what is the advantage of pure 64 over multilib?
Gerard.
_________________
To install Gentoo I use sysrescuecd.Based on Gentoo,has firefox to browse Gentoo docs and mc to browse (and edit) files.
The same disk can be used for 32 and 64 bit installs.
You can follow the Handbook verbatim.
http://www.sysresccd.org/Download |
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adam_qin
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Joined: 17 Sep 2012
Posts: 4
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| Posted: Mon Sep 17, 2012 12:28 pm Post subject: |
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| gerard82 wrote: | Just curious,what is the advantage of pure 64 over multilib?
Gerard. |
Just a eccentricity.
As I said,I'm squeamish. I can't bear that something like lib32 or lib64 apears in my system.
Any solution? |
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wcg
Guru
Joined: 06 Jan 2009
Posts: 588
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| Posted: Mon Oct 01, 2012 7:31 pm Post subject: |
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One advantage is that code that has never been updated for
64-bit registers and data structure sizes will commonly fail
to compile and run. So you avoid a lot of "has not been
maintained since before 64-bit cpus were common" software
before finding out about the 32-bit/64-bit data structure bugs
in it.
Somewhere I read that you need to leave 32-bit emulation
on in the kernel config for grub, even if running a no-multilib
system:
| Code: |
CONFIG_IA32_EMULATION=y
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in /usr/src/linux/.config
(I do not know if grub2 requires this.)
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gkmac
Guru
Joined: 19 Jan 2003
Posts: 336
Location: West Sussex, UK
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| Posted: Mon Oct 01, 2012 10:24 pm Post subject: |
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| wcg wrote: | | Somewhere I read that you need to leave 32-bit emulation on in the kernel config for grub, even if running a no-multilib system: |
Alternatively, emerge "grub-static" instead of "grub".
| adam_qin wrote: | | As I said,I'm squeamish. I can't bear that something like lib32 or lib64 apears in my system. |
That's what I thought, as I never thought I'd needed 32-bit support. Until the day I tried out an alternative video card that used ati-drivers and required IA32 Emulation to be set in the kernel config. And the day I suspected the CPU was faulty and emerged cpuburn, which required a 32-bit GCC to build.
Even without those, I seem to remember that nvidia-drivers always installed stuff in /usr/lib32/ even though I used to use no-multilib. Not sure if that still applies.
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If ~amd64 ebuilds are cutting edge, then git-9999 ebuilds are chainsaws.
"Not everyone can ride a unicycle, does that mean we should put another wheel on it?" - Lokheed |
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Ant P.
Watchman
Joined: 18 Apr 2009
Posts: 6920
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| Posted: Tue Oct 02, 2012 1:25 am Post subject: |
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| foldingathome needed IA-32 in the kernel last time I used it (it had 32-bit static binaries). I've been running no-multilib for years without a problem though; for anything with only 32-bit binaries (games) I keep a chroot around. |
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helpen
n00b
Joined: 09 Oct 2012
Posts: 2
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| Posted: Tue Oct 09, 2012 8:55 am Post subject: |
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I had the same incident, I have not solved it.
Greetings |
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Gentoo on AMD64
