PATCH[libiberty] for Re: Mainline: C++ include files not found!

[DJ Delorie]

> 2003-02-20  Daniel Jacobowitz  <drow@mvista.com>
> 
> 	* libiberty.h (lrealpath): Add declaration.
> 
> 2003-02-20  Daniel Jacobowitz  <drow@mvista.com>
> 
> 	* Makefile.in (CFILES): Add lrealpath.c.
> 	(REQUIRED_OFILES): Add lrealpath.o.
> 	(lrealpath.o): Add rule.
> 	* aclocal.m4 (libiberty_NEED_DECLARATION): Add.
> 	* configure.in: Add realpath and canonicalize_file_name to
> 	checkfuncs and AC_CHECK_FUNCS.  Use libiberty_NEED_DECLARATION
> 	for canonicalize_file_name.
> 	* lrealpath.c: New file.
> 	* make-relative-prefix.c: Update documentation.
> 	(make_relative_prefix): Simplify.  Use lbasename and lrealpath.
> 	* config.in: Regenerated.
> 	* configure: Regenerated.
> 	* functions.texi: Regenerated.

Ok.