* NEWS: Mention --with-iconv-bin.

	* NEWS: Mention --with-iconv-bin.
	* configure.ac: New option --with-iconv-bin.
	* configure: Regenerate.
	* config.in: Regenerate.
	* defs.h (relocate_gdb_directory): Declare.
	* main.c (relocate_gdb_directory): Renamed from relocate_directory,
	removed progname parameter, and exported.  All callers updated.
	* charset.c (find_charset_names): Use --with-iconv-bin if specified.

	doc/
	* gdb.texinfo (Requirements): Fix typo.  Mention --with-iconv-bin.