Re: any value to numerous checks of "#ifdef __GNUC__"?

[walter harms <WHarms@bfs.de>]

Robert P. J. Day wrote:
>   there are numerous header files that contain a check of the form
> 
>     #ifdef __GNUC__
> 
> but <linux/compiler.h> already insists on a GNU C-flavoured compiler:
> 
> #if __GNUC__ >= 4
> # include <linux/compiler-gcc4.h>
> #elif __GNUC__ = 3 && __GNUC_MINOR__ >= 2
> # include <linux/compiler-gcc3.h>
> #else
> # error Sorry, your compiler is too old/not recognized.
> #endif
> 
>   so is there any point in keeping all those checks around?  is it
> even remotely feasible that the kernel might someday support a non-GNU
> C compiler, given the numerous gcc extensions that are used?
> 
> rday
> --
> 

hi,
so far i know the intel compiler can compile a linux kernel.
ntl. this is most likely crap since the compiler is checked much more early.
(or at least should).
I only reason i can think of is that this module is used in other places outside
the linux kernle tree.

re,
 wh