glibc cross compilation with ARM

glibc cross compilation with ARM

[krish24in]

hi experts,

I am new to this domain. 

I am trying to cross compile glibc2.6.1 with arm gcc toolchain 4.2.3.

I gave following configure command:

CC=arm-linux-gcc ../configure  --target=arm-linux
--prefix=/root/glibc-2.6.1/gcc_build   --with-tls --with-__thread
--enable-add-ons

When i gave make command there are many warning message:

In file included from nptl/sysdeps/i386/i686/tls.h:34,
                 from include/tls.h:6,
                 from sysdeps/unix/sysv/linux/i386/sysdep.h:30,
                 from <stdin>:1:
nptl/sysdeps/i386/i686/../tls.h:66:3: error: #error "TLS support is
required.


Am I missing something while configuring  or there any ant patches for cross
comiling for ARM?

Will appreciate your reply and suggestions.

thanks,
kishor
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Re: glibc cross compilation with ARM

[Andreas Schwab]

krish24in <krish24in@gmail.com> writes:

> CC=arm-linux-gcc ../configure  --target=arm-linux
> --prefix=/root/glibc-2.6.1/gcc_build   --with-tls --with-__thread
> --enable-add-ons

The --target option is only relevant when building a compiler, but glibc
isn't one.  You want --host.

Andreas.

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Re: glibc cross compilation with ARM

[krish24in]

Hi Andreas,

When i gave the --host=arm-linux option, i received the following warning:

../configure  --host=arm-linux --prefix=/root/2.6.1/gcc_build   --with-tls
--with-__thread --enable-add-ons

configure: WARNING: If you wanted to set the --build type, don't use --host.
If a cross compiler is detected then cross compile mode will be used.
checking build system type... i686-pc-linux-gnu
checking host system type... arm-unknown-linux-gnu
configure: running configure fragment for add-on nptl
checking sysdep dirs... configure: error: The arm is not supported

What could be the issue here?

Krish



Andreas Schwab-4 wrote:
> 
> krish24in <krish24in@gmail.com> writes:
> 
>> CC=arm-linux-gcc ../configure  --target=arm-linux
>> --prefix=/root/glibc-2.6.1/gcc_build   --with-tls --with-__thread
>> --enable-add-ons
> 
> The --target option is only relevant when building a compiler, but glibc
> isn't one.  You want --host.
> 
> Andreas.
> 
> -- 
> Andreas Schwab, schwab@redhat.com
> GPG Key fingerprint = D4E8 DBE3 3813 BB5D FA84  5EC7 45C6 250E 6F00 984E
> "And now for something completely different."
> 
> 

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Re: glibc cross compilation with ARM

[Andreas Schwab]

krish24in <krish24in@gmail.com> writes:

> checking sysdep dirs... configure: error: The arm is not supported

You don't have the ports add-on.

Andreas.

-- 
Andreas Schwab, schwab@redhat.com
GPG Key fingerprint = D4E8 DBE3 3813 BB5D FA84  5EC7 45C6 250E 6F00 984E
"And now for something completely different."

Re: glibc cross compilation with ARM

[krish24in]

Ok.
Could you please tell how to enable/add ports add-on?
Is there any config file for same?
krish



Andreas Schwab-4 wrote:
> 
> krish24in <krish24in@gmail.com> writes:
> 
>> checking sysdep dirs... configure: error: The arm is not supported
> 
> You don't have the ports add-on.
> 
> Andreas.
> 
> -- 
> Andreas Schwab, schwab@redhat.com
> GPG Key fingerprint = D4E8 DBE3 3813 BB5D FA84  5EC7 45C6 250E 6F00 984E
> "And now for something completely different."
> 
> 

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Re: glibc cross compilation with ARM

[Carlos O'Donell]

On Mon, Feb 1, 2010 at 6:55 AM, krish24in <krish24in@gmail.com> wrote:
> Ok.
> Could you please tell how to enable/add ports add-on?
> Is there any config file for same?

The ports add-on is an archive which you unpack into the glibc directory.

Available here as glibc-ports*.tar.gz:
http://ftp.gnu.org/gnu/glibc/

You only need to configure glibc, it will automatically configure the
ports add-on.

The ports add-on should be in a directory called "ports".

e.g.

glibc
 |-> ports

Cheers,
Carlos.

Re: glibc cross compilation with ARM

[krish24in]

Thanks Carlos.

I downloaded the glibc-ports2.6.1.tar.gz and untar it to the ports folder.

Configure command (../configure  --host=arm-linux
--prefix=/root/2.6.1/gcc_build   --with-tls

--with-__thread --enable-add-ons) failed again after giving this error:
See `config.log' for more details.

checking size of long double... configure: error: cannot compute sizeof
(long double), 77

any suggestion will be helpful? 

Krish


Carlos O'Donell-2 wrote:
> 
> On Mon, Feb 1, 2010 at 6:55 AM, krish24in <krish24in@gmail.com> wrote:
>> Ok.
>> Could you please tell how to enable/add ports add-on?
>> Is there any config file for same?
> 
> The ports add-on is an archive which you unpack into the glibc directory.
> 
> Available here as glibc-ports*.tar.gz:
> http://ftp.gnu.org/gnu/glibc/
> 
> You only need to configure glibc, it will automatically configure the
> ports add-on.
> 
> The ports add-on should be in a directory called "ports".
> 
> e.g.
> 
> glibc
>  |-> ports
> 
> Cheers,
> Carlos.
> 
> 

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