Re: [PATCH 0 of 2] Static toolchain support

[Bryan Hundven <bryanhundven at gmail dot com>]

On Mon, Nov 1, 2010 at 2:51 PM, Bryan Hundven <bryanhundven@gmail.com> wrote:
> On Mon, Oct 18, 2010 at 6:49 PM, Arnaud Lacombe <lacombar@gmail.com> wrote:
>> Hi,
>>
>> On Mon, Oct 18, 2010 at 5:12 PM, Bryan Hundven <bryanhundven@gmail.com> wrote:
>>> These commits add support for statically linked toolchains.
>>> You must turn on CT_EXPERIMENTAL to use this toolchain, as there
>>> is still one problem left to solve.
>>>
>>> The toolchain that is produced builds static and dynamic binaries
>>> with the (GNU/Linux) elf header rather then the expected (SYSV) elf header.
>>>
>>> I have found two articles on the topic where one says it is a problem with
>>> binutils, and the other says it is a problem with (e)glibc.
>>>
>>> Any suggestions on fixing this?
>>>
>> Not yet, but having articles' URLs might be helpful.
>>
>> Â- Arnaud
>>
>
> When building ct-ng with (e)glibc >= 2.11 and building either a
> statically linked toolchain or the normal dynamically linked
> toolchain, I still notice that the elf OSABI is "(GNU/Linux) - 3" and
> not "(SYSV) - 0"
>
> bryan@flubber:~/x-tools/i686-nptl-linux-gnu$ find . | xargs file |
> grep '(GNU/Linux)'
> ./i686-nptl-linux-gnu/sys-root/sbin/sln:
> Â Â Â Â Â Â Â Â Â ELF 32-bit LSB executable, Intel 80386, version 1
> (GNU/Linux), statically linked, for GNU/Linux 2.6.30, not stripped
> ./i686-nptl-linux-gnu/sys-root/sbin/ldconfig:
> Â Â Â Â Â Â Â Â Â ELF 32-bit LSB executable, Intel 80386, version 1
> (GNU/Linux), statically linked, for GNU/Linux 2.6.30, not stripped
> ./i686-nptl-linux-gnu/sys-root/lib/libm-2.12.1.so:
> Â ELF 32-bit LSB shared object, Intel 80386, version 1 (GNU/Linux),
> dynamically linked (uses shared libs), for GNU/Linux 2.6.30, not
> stripped
> ./i686-nptl-linux-gnu/sys-root/lib/libc-2.12.1.so:
> Â ELF 32-bit LSB shared object, Intel 80386, version 1 (GNU/Linux),
> dynamically linked (uses shared libs), for GNU/Linux 2.6.30, not
> stripped
>
> I have tried adding binutils-2.20.51 (snapshot) to my local version of
> ct-ng, but this produced the same results.
>
> Does anyone have suggestions on how to (e)glibc to build as "(SYSV)"
> and not "(GNU/Linux)"?
>
> -Bryan
>

I believe I have figured this out.

We need the following patch for binutils 2.20.1:
http://sourceware.org/ml/binutils/2010-02/msg00369.html

and in the (e)glibc build script add: --disable-multi-arch

-Bryan

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