[ECOS] ECOS: undefined reference to `__errno_location'

[Jesper Skov]

On Fri, 2002-02-15 at 04:28, michael shiloh wrote:
> hi gang,
> 
> sorry to bother you again,
> 
> i'm trying to port an application that was written for
> linux over to ecos. i've been slowly figuring out what's
> missing and making changes either to my application or
> to my ecos configuration.
> 
> this one has me stumped. it's comes from a line of source 
> that says:
> 
>       return -errno;
> 
> and the error is while linking:
> 
>   undefined reference to `__errno_location'
> 
> any ideas?

Look at the pre-processor output. You'll probably find that some header
defines errno to be __errno_localtion. Whatever header file is picked up
should be suppressed in favor of the eCos errno.h header file.

In eCos, you'll need to include the CYGPKG_ERROR package.

Jesper


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