Gentoo Archives: gentoo-embedded

From: Ned Ludd <solar@g.o>
To: Rafael Diniz <rafael@××××××.net>
Cc: gentoo-embedded@l.g.o
Subject: Re: [gentoo-embedded] gentoo linux in 386 and 486
Date: Sun, 14 Mar 2004 00:58:24
Message-Id: 1079225479.32593.18378.camel@simple
In Reply to: [gentoo-embedded] gentoo linux in 386 and 486 by Rafael Diniz
1 On Fri, 2004-03-12 at 02:24, Rafael Diniz wrote:
2 > -----BEGIN PGP SIGNED MESSAGE-----
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4 >
5 > Hello all,
6 > I'm new in list and I'd like to know if gentoo embedded will run in 386 and
7 > 486 with low memory resources, because I think glibc systems are too heavy
8 > for older machines.
9
10 A complete swap out of glibc for uClibc for the embedded environment is
11 one of the goals of this project, however unfortunately the uClibc
12 maintainers have removed the old useful uClibc wrappers at >0.9.21 which
13 nows means we have to recompile the whole freaking toolchain. This has
14 caused many problems for the uClibc users of the world. But for whatever
15 reasons Erik Andersee is not switching back to the toolchain wrappers so
16 we get to figure it all out and try and make it work within our existing
17 build environment.
18
19 > I'd like to "save" some older and very cheap machines like 386s and 486s to
20 > use then as standalone workstations, to teach, use and donate then for for
21 > multiple porpuses like teach programing, teach using email clients, irc, www,
22 > icq, etc, here in Brazil.
23
24 For the most part you need nothing special here at all. Just grab a
25 standard basic x86 stage1 and install as normal. The stages will be
26 reconfigured for either i486 or i386 by default which is exactly what
27 you want.
28
29 If you have alot of these boxes chances are you will want to do your
30 bootstrapping on another one of your more powerful x86 gentoo boxes to
31 speed up your compile times or even PXE boot and nfsmount.
32
33 > Will be possible to use gentoo embedded in that?
34
35 The Embedded Gentoo project has nothing you can just plug and play with
36 right now. The project now currently consist of a few tools that are
37 being developed by other developers at gentoo such as Kumba's crossdev
38 util or mutex's embedded catalyst work.
39
40 A uclibc-buildroot does exist for building the uclibc toolchain but it's
41 completely missing include paths when you try to compile something.
42 This can be seen if you trying anything that uses #include <blah.h>
43 otherwise it compiles an 'int main() { return 0; }' just fine.
44 If you have some spare time you could try and help solve this problem if
45 you wanted a pure gentoo built uClibc toolchain with profile support.
46
47 Rob McMullen has a pretty nice uClibc with Gentoo Linux HOWTO at his
48 site. http://flipturn.org/uclibc/ but I'm not how sure up2date it is
49 right now.
50
51
52
53 > Thanx,
54 > Rafael Diniz
55 >
56 > - --
57 > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
58 > Engenharia da Computação -- Unicamp
59 > http://www.gnu.org/philosophy/why-free.pt.html
60 > Usuário do sistema operacional GNU/Linux
61 > Chave PGP: id 0x2FF86098 / keys.indymedia.org
62 > "Acreditar num conhecimento que pode ser vendido e
63 > comprado é uma forma sutil (e cruel) de perpetuar a ignorância."
64 > +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-
65 >
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70 > zgACxD/8Z9Al8kFCRfnKUrs=
71 > =jBHr
72 > -----END PGP SIGNATURE-----
73 >
74 > --
75 > gentoo-embedded@g.o mailing list
76 --
77 Ned Ludd <solar@g.o>
78 Gentoo Linux Developer

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Re: [gentoo-embedded] gentoo linux in 386 and 486 Rafael Diniz <rafael@××××××.net>