* libgcj.spec.in (*lib): Added LIBICONV.
	* configure: Rebuilt.
	* configure.in: Call AM_ICONV.  Don't check for iconv function.
	Add parameters to JV_HASH_SYNCHRONIZATION define.
	* acinclude.m4 (AM_ICONV): New macro, from Bruno Haible.

From-SVN: r44116