Re: [ECOS] error with __cxa_atexit and __dso_handle

[Santiago Lafon <slafon at controles dot com>]

It works! Thank you very much.

    Santiago Lafon

Alexey Shusharin escribiÃ:
> Ð ÐÑÐ, 14/09/2007 Ð 12:16 -0300, Santiago Lafon - Controles S.A. ÐÐÑÐÑ:
> > I want to upgrade my arm-alf toolchan to the latest GNU tools
> >
> > Some time ago, i made a toolchain with:
> >      binutils 2.14
> >      gcc-core 3.3.1
> >      gcc-g++  3.3.1
> >      newlib   1.11.0
> >      insight  5.3
> >
> > Now i made a new one with
> >      binutils 2.18
> >      gcc    4.2.1
> >      newlib    1.15.0
> >      insight    6.6
> >
> > I can build ecos without apparent problems (i'm working with a simple 
> > eb40a target).
> >
> > Then, when i try to make a simple application (or if i try to make ecos 
> > tests), it's when my problems appears.
> >
> > I get lots of errors like this:
> >
> > work/eCos/lib/eb40a/rom/eb40a_rom_sin_net_v00.20_install/lib/extras.o: 
> > In function `__static_initialization_and_destruction_0':
> > /opt/ecos-snap-2007-09-09/packages/io/fileio/current/src/misc.cxx:105: 
> > undefined reference to `__cxa_atexit'
> >
> > /opt/ecos-snap-2007-09-09/packages/io/fileio/current/src/misc.cxx:125: 
> > undefined reference to `__cxa_atexit'
> > /opt/ecos-snap-2007-09-09/packages/io/fileio/current/src/misc.cxx:532: 
> > undefined reference to `__dso_handle'
> >
> > Could someone help me?
> >
> > Thanks
> >      Santiago Lafon
>
> Hi
>
> The solution is using '--disable-__cxa_atexit' configure option when
> you're building gcc. This option is enabled by default in gcc 4.2.1, but
> it can be used only with glibc (not with newlib).
>
> Best regards
> Alexey Shusharin

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