Re: grub 1.99 add own module / dep problem

[Vladimir 'φ-coder/phcoder' Serbinenko]

On 09.02.2012 10:47, Robert Schumann wrote:
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> Heyho guys!
>
> I'm sorry if I didn't RTFM somewhere but I just couldn't find _any_
> information on how to correctly add/patch own modules into the grub
> 1.99. The problem:
>
> 1. mymod.c depends on a function in biosdisk.c
Avoid this as much as possible. Biosdisk is arch-specific, use generic 
disk functions.
> 2. mymod.c includes the biosdisk.h header correctly I suppose
> 3. I patched grub-core/Makefile.core.def with
>
> module = {
>    name = mymod;
>    common = mymod/mymod.c;
>    enable = biosdisk;
enable=i386_pc; not biosdisk
> };
>
> 4. I patched grub-core/Makefile.core.am with basically a copy from the
> hello.c module stuff (although I should probably take the arch
> dependend definitions from biosdisk mod? but I'm building i386 so it
> should work any way?)
Don't touch this file. Just rerun ./autogen.sh
> 5. ./configure&&  make works as expected for another module which
> doesn't include a foreign function.
>
> 6. For mymod.c I receive
> mymod/mymod.c:68: error: implicit declaration of function
> 'grub_biosdisk_get_diskinfo_standard'
This function is static ("private"). Moreover it's for very old C/H/S 
addressing.
Looks like you're going the wrong way. Can you detail what's your end goal?
> which is of course in biosdisk.c. Now my question: How do I solve this
> mystery on a code/patch base? ;) I know that I can add the biosdisk.c
> to the common code functions, but that shouldn't be necessary, huh? I
> thought that enable = biosdisk would do the trick with linked
> functions, but well... maybe you could shed some light on it.
Dependencies are tracked automatically.
> Cheers
> Robert
>
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--
Regards
Vladimir 'φ-coder/phcoder' Serbinenko