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Re: grub 1.99 add own module / dep problem

From: Vladimir 'φ-coder/phcoder' Serbinenko
Subject: Re: grub 1.99 add own module / dep problem
Date: Thu, 09 Feb 2012 12:13:48 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:8.0) Gecko/20120104 Icedove/8.0

On 09.02.2012 10:47, Robert Schumann wrote:
Hash: SHA1

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/ 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 ./

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
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.


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