Gentoo Archives: gentoo-user

From: "Boyd Stephen Smith Jr." <bss03@××××××××××.net>
To: gentoo-user@l.g.o
Subject: Re: [gentoo-user] multilib vs. no-multilib in 64-bit environment
Date: Sun, 27 May 2007 08:38:33
In Reply to: [gentoo-user] multilib vs. no-multilib in 64-bit environment by Denis
1 On Saturday 26 May 2007, Denis <denis.che@×××××.com> wrote
2 about '[gentoo-user] multilib vs. no-multilib in 64-bit environment':
3 > I think I'll attempt to set up one of my EM64T boxes in 64-bit Gentoo
4 > environment, so I've been reading some docs about it.
6 *cough*AMD64*cough*
8 > I understand
9 > that the multilib profile allows for having 32-bit libraries and being
10 > able to run 32-bit binaries,
12 Being able to run 32-bit binaries requires two things. x86_32 support in
13 the kernel (which (no-)multilib doesn't affect) and all the libraries for
14 the binaries being available in a 32-bit version, particularly and
15; multilib the multilib profile causes (not "allows" -- if you
16 use multilib profile it is not optional) the most fundamental 32-bit
17 libraries (like those required for *building* a 32-bit library) to be
18 installed.
20 > whereas no-multilib restricts you to a
21 > purely 64-bit environment with no 32-bit compatibility.
23 That's true as far as libraries go. (A fully statically linked 32-bit
24 executable could still run if the kernel has support for x86_32.)
26 > What would be some of the reasons for setting up a no-multilib
27 > profile?
29 Saves disk space and compilation time.
31 > Perhaps for a computational workstation that doesnt need any
32 > fancy toys or a development system?
34 Very few F(L)OSS programs are unavailable in 64-bit land, so if your
35 computer lives in the "Free (Software) world" you won't have problems no
36 matter what you use the computer for.
38 If you need/want proprietary binaries, multilib is the only way to go.
40 > Are any of you here running on a
41 > no-multilib 64-bit profile?
43 Not I. I'm still leaning on my wine/cedega crutch for some things.
45 --
46 Boyd Stephen Smith Jr. ,= ,-_-. =.
47 bss03@××××××××××.net ((_/)o o(\_))
48 ICQ: 514984 YM/AIM: DaTwinkDaddy `-'(. .)`-'
49 \_/


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