RE: arm cross error

[pmcgarry <pmcgarry at hekimian dot com>]

> >> >But now I have the following error:
> >> >
> >> >/gcc-2.95.2/gcc/config -I../../gcc-2.95.2/gcc/../include -c 
> >> >-DL${name} \
> >> >       ../../gcc-2.95.2/gcc/libgcc2.c -o ${name}.o; \
> >> >  if [ $? -eq 0 ] ; then true; else exit 1; fi; \
> >> >  arm-coff-ar rc tmplibgcc2.a ${name}.o; \
> >> >  rm -f ${name}.o; \
> >> >done
> >> >_muldi3
> >> >../../gcc-2.95.2/gcc/libgcc2.c:41: stdlib.h: No such file 
> >or directory
> >> >../../gcc-2.95.2/gcc/libgcc2.c:42: unistd.h: No such file 
> >or directory
> >> >make[3]: *** [libgcc2.a] Error 1
> >>
> >>  Yep.  This one is because you don't have any target 
> header files.  Are
> >>you planning on using newlib with this compiler?
> >
> >yeap
> 
>   Right.  In order to build libgcc.a for the target, the 
> compiler needs to
> have access to the header files for the target's runtime C 
> library.  In
> your case, that means the newlib header files.  There are 
> several ways 
> this can be done:
> 
>   1)  In the gcc-2.95.2 subdirectory, create a symbolic link called
> 'newlib' to the newlib source directory, and add the flag 
> --with-newlib
> to your configure command.
> 
>   2)  Copy the include header files from newlib to 
> $prefix/$target/include.
> In your case that would be /usr/local/arm-coff/include.
> 
>   3)  Add the option --with-headers=/path/to/newlib/headers to your
> configure command.
> 
>   Of these options, 2) is probably the quickest and most 
> sound.  I like
> 3) myself but I get told off by Kai Ruottu every time I suggest it, 
> fortunately he's on holiday at the moment so I can get away 
> with it.  1)
> is meant to be an official solution to the problem as it kind-of
> simulates doing a one-tree build but I haven't tried it myself.
> 
>   For further information about target headers, see 
> http://gcc.gnu.org/onlinedocs/gcc_4.html#SEC63
> 
>      DaveK

Just FYI for everyone's benefit, I've used 1) and it works like a champ!

Regards,
Pat
---
Patrick McGarry, Director - Broadband Technology
Hekimian Division 
SPIRENT COMMUNICATIONS

"Just when you think you've won the rat race, along come faster rats."

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