libio.h cleanup (was Re: changes for approval, part three (solaris))

[David Edelsohn]

	To be concrete, attached is the revised patch to define __THROW,
__P, and __PMT in libio.h without using sys/cdefs.h or _G_HAVE_SYS_CDEFS
dependency.  The use of "throw ()" is guarded by __cplusplus.

David

Index: libio.h
===================================================================
RCS file: /cvs/gcc/egcs/libstdc++-v3/libio/libio.h,v
retrieving revision 1.9
diff -c -p -r1.9 libio.h
*** libio.h	2000/10/25 16:54:47	1.9
--- libio.h	2000/10/25 20:39:39
***************
*** 56,72 ****
  #endif
  
  #ifndef __P
! # if _G_HAVE_SYS_CDEFS
! #  include <sys/cdefs.h>
  # else
! #  ifdef __STDC__
! #   define __P(p) p
! #   define __PMT(p) p
! #  else
! #   define __P(p) ()
! #   define __PMT(p) ()
! #  endif
  # endif
  #endif /*!__P*/
  
  /* For backward compatibility */
--- 56,68 ----
  #endif
  
  #ifndef __P
! # ifdef __cplusplus
! #  define __THROW throw ()
  # else
! #  define __THROW
  # endif
+ # define __P(p) p __THROW
+ # define __PMT(p) p
  #endif /*!__P*/
  
  /* For backward compatibility */