AC_DEFUN_ONCE([AC_PROG_JAVAC],[
AC_REQUIRE([AC_EXEEXT])dnl
-ECJ_OPTS="-warn:-deprecation,serial,unusedImport"
+ECJ_OPTS="-warn:-deprecation,serial,unusedImport,unusedPrivate,resource"
JAVAC_OPTS="-Xlint:unchecked,cast,divzero,empty,finally,overrides"
GCJ_OPTS="-g"
if test "x$JAVAPREFIX" = x; then