egcs fixes for warnings via autoconf hacks...

[Jeffrey A Law]

  In message <199801311428.JAA01818@caip.rutgers.edu>you write:
  > 	Here's some more warning fixes for egcs via autoconf hacking.
  > 
  > 		--Kaveh
  > 
  > Sat Jan 31 09:12:51 1998  Kaveh R. Ghazi  <ghazi@caip.rutgers.edu>
  > 
  >         * aclocal.m4 (GCC_NEED_DECLARATION): Modify macro to accept a
  >         shell variable argument instead of only hard coded functions.
  >         (GCC_NEED_DECLARATIONS): New macro to accept multiple functions.
  > 
  >         * configure.in: Collapse multiple calls to AC_CHECK_FUNCS into one
  >         call.  Collapse multiple calls to GCC_NEED_DECLARATION into one
  >         call to GCC_NEED_DECLARATIONS (new macro.)  Check if we need
  >         declarations for bcopy, bcmp and bzero.
  > 
  >         * acconfig.h: Add stubs for bcopy, bcmp and bzero declarations.
  > 
  >         * gansidecl.h: If we have bcopy but don't declare it, then do so.
  >         Likewise for bcmp and bzero.  Only define macros for bcopy, bcmp,
  >         bzero, index and rindex if they aren't already present.
Thanks.  Installed.

Don't forget to send patches to the list instead of to me directly;
I'd really like folks to be able to see and comment on patches if
the feel the need.

jeff