The ML branch doesn't seem to bootstrap with autoconf 2.13 and automake 1.4. >From sources cvs'd 5 minutes ago.
aclocal: configure.in: 72: macro `AM_PROG_GCJ' not found in library automake: configure.in: installing `./install-sh' automake: configure.in: installing `./mkinstalldirs' automake: configure.in: installing `./missing' automake: Makefile.am: installing `./INSTALL' automake: Makefile.am: installing `./COPYING' doc/Makefile.am:4: installing `doc/mdate-sh' doc/Makefile.am:4: installing `doc/texinfo.tex' autoconf: Undefined macros: configure.in:46:AC_LIBTOOL_DLOPEN configure.in:47:AC_LIBTOOL_SETUP