Re: powerpc/sparc problems

[Bean]

On Mon, Oct 12, 2009 at 6:14 PM, David Miller <address@hidden> wrote:
> From: Bean <address@hidden>
> Date: Mon, 12 Oct 2009 17:58:42 +0800
>
>> Try my branch, it includes the libgcc functions in grub instead of
>> rely on external library. It builds and run properly for
>> powerpc-ieee1275 last time I check.
>
> Good luck when the compiler changes the interface and/or semantics of
> these routines in a future version.  Will you enumerate your in-tree
> copies by gcc version with ifdefs or similar?
>
> That's why gcc and it's libgcc are distributed together, and gcc
> configures itself to link with a specific libgcc and only that libgcc.
>
> This whole things perfectly fine in GRUB when I implemented the
> necessary machinery to find if these routines exist in libgcc at
> configure time and to reference them properly in the build.
>
> They've merely been broken meanwhile and someone just needs to rectify
> that regression.
>

Hi,

To use the libgcc, we need to link the object file, this doesn't work
in system that use non ELF format like mach-o. And actually, the int
function rarely changed, and some project like openbios also include
the libgcc function directly.

-- 
Bean

gitgrub home: http://github.com/grub/grub/
my fork page: http://github.com/bean123/grub/