[Buildroot] Can't resolve symbol '__cxa_atexit'

[Buildroot] Can't resolve symbol '__cxa_atexit'

[Nathanael D. Noblet]

Hello,
   I am trying to re-create an environment that I created in Oct 2005, 
so that I can make some changes to a program I wrote way back then. I 
was using uClibc 0.9.28 at the time. I've used a current buildroot to 
get me what I thought was that environment. I think I have the same 
gcc/binutils versions 3.4.6 and binutils 2.16.1. When I compile my 
program against this new environment it seems to work, until I move it 
to the target device, where it runs for a bit then outputs

./a.out: Can't resolve symbol '__cxa_atexit'

So I'm assuming that something changed in the uClibc config I originally 
used and this one that I tried to get to match. Any ideas how to go 
about re-creating this environment or how to solve the above error?

-- 
Nathanael D. Noblet

[Buildroot] Can't resolve symbol '__cxa_atexit'

[Nathanael D. Noblet]

Nathanael D. Noblet wrote:
> Hello,
>    I am trying to re-create an environment that I created in Oct 2005, 
> so that I can make some changes to a program I wrote way back then. I 
> was using uClibc 0.9.28 at the time. I've used a current buildroot to 
> get me what I thought was that environment. I think I have the same 
> gcc/binutils versions 3.4.6 and binutils 2.16.1. When I compile my 
> program against this new environment it seems to work, until I move it 
> to the target device, where it runs for a bit then outputs
> 
> /a.out: Can't resolve symbol '__cxa_atexit'
> 
> So I'm assuming that something changed in the uClibc config I originally 
> used and this one that I tried to get to match. Any ideas how to go 
> about re-creating this environment or how to solve the above error?
> 

Well as usually moments afterwards, checking the uClibc .config I found 
an option for the dynamic atexit functions. Disabled, rebuilt, and now 
I'm moving along... Thanks anyway ;)

[Buildroot] can't resolve symbol '__cxa_atexit'

[Souvik Ghosh]

Hi All,

I was compiling buildroot v2009.02 for ARM. The gcc, uclibc and binutils
version I selected are 4.3.2, 0.9.30 and 2.19 respectively. With this
toolchain the compilation of my source is going on fine but it produces "*can't
resolve symbol '__cxa_atexit'" *error at runtime. Can anyone please point me
what I am missing and what is reason of this cause?

Thanks is advance,
papa
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[Buildroot] can't resolve symbol '__cxa_atexit'

[Thomas Petazzoni]

On Wed, 10 Feb 2010 08:05:07 +0530
Souvik Ghosh <mailtosouvik@gmail.com> wrote:

> I was compiling buildroot v2009.02 for ARM. The gcc, uclibc and
> binutils version I selected are 4.3.2, 0.9.30 and 2.19 respectively.
> With this toolchain the compilation of my source is going on fine but
> it produces "*can't resolve symbol '__cxa_atexit'" *error at runtime.
> Can anyone please point me what I am missing and what is reason of
> this cause?

Could you try with a more recent Buildroot version, say 2009.11 ? If it
still fails, please send your .config.

Did you really recompile *all* your applications with the toolchain
generated by Buildroot ? Remember that uClibc doesn't provide any kind
of ABI backward compatibility, so you have to recompile your
applications with exactly the toolchain that uses the C library that is
on the target.

Did you use the default uClibc configuration file, or did you customize
it somehow ?

Cheers,

Thomas
-- 
Thomas Petazzoni, Free Electrons
Kernel, drivers, real-time and embedded Linux
development, consulting, training and support.
http://free-electrons.com

[Buildroot] can't resolve symbol '__cxa_atexit'

[Nuno Pereira]

On 10 February 2010 07:32, Thomas Petazzoni <
thomas.petazzoni@free-electrons.com> wrote:

> On Wed, 10 Feb 2010 08:05:07 +0530
> Souvik Ghosh <mailtosouvik@gmail.com> wrote:
>
> > I was compiling buildroot v2009.02 for ARM. The gcc, uclibc and
> > binutils version I selected are 4.3.2, 0.9.30 and 2.19 respectively.
> > With this toolchain the compilation of my source is going on fine but
> > it produces "*can't resolve symbol '__cxa_atexit'" *error at runtime.
> > Can anyone please point me what I am missing and what is reason of
> > this cause?
>
> Could you try with a more recent Buildroot version, say 2009.11 ? If it
> still fails, please send your .config.
>
> Did you really recompile *all* your applications with the toolchain
> generated by Buildroot ? Remember that uClibc doesn't provide any kind
> of ABI backward compatibility, so you have to recompile your
> applications with exactly the toolchain that uses the C library that is
> on the target.
>
> Did you use the default uClibc configuration file, or did you customize
> it somehow ?
>
> Cheers,
>
> Thomas
> --
> Thomas Petazzoni, Free Electrons
> Kernel, drivers, real-time and embedded Linux
> development, consulting, training and support.
> http://free-electrons.com
> _______________________________________________
> buildroot mailing list
> buildroot at busybox.net
> http://lists.busybox.net/mailman/listinfo/buildroot
>

Hi all,

I used a daily snapshot, compiled buildroot for PPC and happened the same?
What could possible be the problem?

Thanks + Regards,
Nuno
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