+ [test "x$PYTHON_INCLUDEDIR" != "x" -a "x$PYTHON_SITE_PACKAGES" != "x"])
+
+dnl Check for Ruby and rake (optional, for Ruby bindings).
+old_libs="$LIBS"
+AC_CHECK_LIB([ruby],[ruby_init])
+LIBS="$old_libs"
+AC_CHECK_PROG([RAKE],[rake],[rake],[no])
+
+AM_CONDITIONAL([HAVE_RUBY],
+ [test "x$RAKE" != "xno" -a -n "x$HAVE_LIBRUBY"])