Re: [ECOS] arm-elf-g++ problem

[Andrew Lunn <andrew at lunn dot ch>]

On Thu, Jun 07, 2007 at 02:15:13PM +0100, John Macdonald wrote:
> Hello,
> 
> I am trying to compile some software for the Atmel AT91 processor under
> eCos. However, I am having trouble with my compiler. I built the arm-elf
> toolchain using the instructions on the eCos website. I then used the
> eCos configtool to configure eCos for the default Atmel evaluation board
> (EB40). However, if I try to compile:
> 
> //#include <stdio.h>
> #include <iostream>
> 
> int main()
> {
> 
> //    printf("Hello\n\r");
>     cout << "Hello\n";
> 
> }
> 
> 
> Using the command:
> 
> arm-elf-g++ -I /home/johnm/ecos-work/arm_install/include test1.cpp -c
> 
> 
> Then I get lots of errors. The included directory was produced by the
> eCos configtool. The first block of errors are:
> 
> johnm@johnm-desktop:~/ecos_play$ arm-elf-g++
> -I /home/johnm/ecos-work/arm_install/include test1.cpp -c
> In file included
> from /home/johnm/ecos_toolchain/gnutools/arm-elf/include/arm-elf/bits/c
> ++io.h:35,
> 
> from /home/johnm/ecos_toolchain/gnutools/arm-elf/include/bits/fpos.h:44,
> 
> from /home/johnm/ecos_toolchain/gnutools/arm-elf/include/iosfwd:46,
> 
> from /home/johnm/ecos_toolchain/gnutools/arm-elf/include/ios:44,
> 
> from /home/johnm/ecos_toolchain/gnutools/arm-elf/include/ostream:45,
> 
> from /home/johnm/ecos_toolchain/gnutools/arm-elf/include/iostream:45,
>                  from test1.cpp:2:
> /home/johnm/ecos_toolchain/gnutools/arm-elf/include/cstdio:129: `remove'
> not
>    declared
> /home/johnm/ecos_toolchain/gnutools/arm-elf/include/cstdio:130: `rename'
> not
>    declared
> /home/johnm/ecos_toolchain/gnutools/arm-elf/include/cstdio:137:
> `tmpfile' not
>    declared
> /home/johnm/ecos_toolchain/gnutools/arm-elf/include/cstdio:138: `tmpnam'
> not
>    declared
> 
> If I comment out the C++ lines and comment in the C lines then an object
> file is successfully produced. Does anyone know what is wrong here.

The C++ support for eCos is somewhat limited in anonymous
CVS. iostream is one of the things which do not work. Search the
archive for mor details.

If you want full c++ support, you probably want to license one of the
commercial forks of eCos, eg from eCosCentric.

      Andrew

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