[LinuxBIOS] [PATCH] v3: fix compilation due to multiple definitions of printk

[Stefan Reinauer]

* Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net> [071122 21:44]:
> The introduction of the _SHARED macros had one flaw: If multiple files
> had _SHARED defined during compilation, each of them would contain an
> assignment of stage0_printk to *printk. During linking, this caused
> errors as multiple definitions of printk existed.
> Make sure _SHARED alone gives you only the printk prototype, and iff
> _MAINOBJECT is defined as well, include the assignment.
> 
> Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006 at gmx.net>

I like it, but I suggest to simplify the code further.

On top of your sign-off, add
Signed-off-by: Stefan Reinauer <stepan at coresystems.de>


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