On Mon, Jan 09, 2006 at 10:58:00AM +0100, Peter Ekberg wrote:
> Hello!
>
> I recently tried to build a package that was using cpp for other
> purposes than preprocessing C files. Its configure script was
> looking for a way to not have cpp predefine anything, and it
> specifically tried the -undef option, but failed. From reading the
> docs, I couldn't figure out why. Here's a quote from "info cpp":
>
> '-undef'
> Do not predefine any system-specific or GCC-specific macros. The
> standard predefined macros remain defined. *Note Standard
> Predefined Macros::.
>
> So I searched the web a bit and figured that I could probably fix
> it in the specs file. I realise that the specs file probably isn't
> the canonical place to change this, but I'll leave that to the gcc
> maintainer.
>
> Attached is a patch for the specs file that wraps all old define
> rules for cpp inside the following:
>
> %{!undef:old define rules}
>
> I don't know if this is the correct thing to do, but it works for
> me<TM>.
GCC maintainer, are you there? Can you come out and play, please? :-)
Cheers,
Peter
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