include/
	* libiberty.h (make_relative_prefix): Add prototype.
libiberty/
	* Makefile.in: Add make-relative-prefix.c.
	* make-relative-prefix.c: New file.
	* functions.texi: Rebuilt.
gcc/
	* gcc.c (make_relative_prefix, split_directories)
	(free_split_directories): Removed.

From-SVN: r59385