Re: [PATCH] framework for building modules externally

[Christian Franke]

Robert Millan wrote:
> On Thu, Nov 06, 2008 at 09:43:09PM +0100, Christian Franke wrote:
>   
> > > How would the whole picture look like?  Sounds like it'd mean less 
> > > complexity
> > > in external modules at the expense of more complexity in the build system.
> > >       
> > Here a first proof-of-concept patch, uses hello.c as the external module.
> >
> > If kernel is compiled with other GRUB_ABI_VER_SYM, insmod fails with:
> > "error: the symbol 'grub_abi_ver_1_96' not found"
> >     
>
> Ah, it's much simpler than I thought.
>
>   
> > +#define GRUB_ABI_VER_SYM  grub_abi_ver_1_96
> >     
>
> I assume between releases we'd add a counter after the version number?  Like
> grub_abi_ver_1_96_X or so?
>
>   

Yes. Symbol should be changed with each incompatible ABI change. Not 
necessary for simple ABI enhancements like new functions.

Christian