[PATCH] math.h and fixincludes

[Jeff Johnston]

Thanks Vladimir.  I couldn't believe that fixincludes had such an ugly 
hack in it until I just read through the code.  Patch checked in.

-- Jeff J.

Vladimir Prus wrote:
> Hello,
> at the moment, gcc's fixincludes tool tries to fix math.h because it sees 
> that 'exception' name is used and thinks that it's not C++-safe. In fact,
> newlib's math.h has appropriate __cplusplus checks, but fixincludes is not 
> smart enough to recognize that.
> 
> This patch fixes the situation by adding a comment to math.h that is specially 
> recognized by fixincludes. OK?
> 
> - Volodya
> 
> 2006-10-25  Vladimir Prus  <vladimir@codesourcery.com>
> 
> 	* libc/include/math.h: (exception): Add a comment
> 	telling fixincludes that we handle C vs. C++ issue.
> 
> 
> 
> ------------------------------------------------------------------------
> 
> Index: math.h
> ===================================================================
> RCS file: /cvs/src/src/newlib/libc/include/math.h,v
> retrieving revision 1.21
> diff -u -p -r1.21 math.h
> --- math.h	27 Feb 2006 23:51:28 -0000	1.21
> +++ math.h	25 Oct 2006 18:13:12 -0000
> @@ -336,7 +336,8 @@ extern int *__signgam _PARAMS((void));
>  #define __signgam_r(ptr) _REENT_SIGNGAM(ptr)
>  
>  /* The exception structure passed to the matherr routine.  */
> -
> +/* We have a problem when using C++ since `exception' is a reserved
> +   name in C++.  */
>  #ifdef __cplusplus
>  struct __exception 
>  #else