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List Archive: gentoo-embedded
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To: gentoo-embedded@g.o
From: "Jan Girlich" <vollkorn@...>
Subject: Re: [gentoo-user-de] nss on arm - trying to use glibc
Date: Wed, 29 Mar 2006 03:57:08 +0200 (CEST)
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Hi,

Mike Frysinger said:
> On Sunday 26 March 2006 09:42, Jan Girlich wrote:
>>
>> stage3-arm-20040510.tar.bz2
>> stage3-armv4l-2005.1.tar.bz2
>
> this are for little endian arm machines so unless you are byteswapping
> booting
> your slug into little endian format, that aint gonna work

I thought of something like this but I didn't know how to determine which
endian mode is used. Whatever, I tried to find some informations about
this issue and found this [1]:
"The primary reason for all this byteswapping is the bootloader is
expecting the kernel and initrd in BE format; but if thebootloader is
already in LE mode, we may be able to eliminate some of the byteswapping
steps."

Actually I would try another bootloader but I'm afraid of trashing my slug
and I don't know how I'm supposed to install gentoo this way.

I would really appreciate if someone could give me some good
link/documentation about big endian/little endian (I know what this this
in theory but not about the consequences and how to deal with this in real
life).

> glibc-2.3.6 or glibc-2.4 are your best bet ... glibc-2.3.5 for sure wont
> work
[...]
[ld error]
> if you want to hack around it for now, go into
> /usr/armeb-softfloat-linux-gnu/
> and run this:
> ln -s . armeb-softfloat-linux-gnu

In addition I noticed these three lines and tried to compile the glibc again.

 *          CBUILD:   i686-pc-linux-gnu
 *           CHOST:   i686-pc-linux-gnu
 *         CTARGET:   armeb-softfloat-linux-gnu

This time I used this command:

CFLAGS="-march=armv5t -Os" CTARGET="armeb-softfloat-linux-gnu" \
CXXFLAGS="-march=armv5t -Os" ACCEPT_KEYWORDS="~arm" emerge --nodeps \
=sys-libs/glibc-2.3.6-r3 -B

(note the CTARGET instead of CHOST)

And it works. Now I copied the tarball on my slug and emerged it. Then I
changed CHOST to armeb-softfloat-linux-gnu and tried to install nss_ldap.
But with the usual errors like this one:
ldap-nss.h:643: error: `NSS_STATUS' declared as function returning a function

I'll try some things and report again.

But thanks a lot so far!
Jan

[1] http://ibot.rikers.org/%23nslu2-linux/20050721.html.gz

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References:
[gentoo-user-de] nss on arm - trying to use glibc
-- Jan Girlich
Re: [gentoo-user-de] nss on arm - trying to use glibc
-- Mike Frysinger
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Updated Jun 17, 2009

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