+AC_DEFUN_ONCE([DX_AUTOMAKE_COMPAT],
+[AC_REQUIRE([DX_INIT])dnl
+AC_CONFIG_COMMANDS_PRE([# Patch install-sh references to include $SHELL
+AS_CASE([$MKDIR_P], ["$ac_install_sh"*], [MKDIR_P="$SHELL $MKDIR_P"])
+AS_CASE([$INSTALL], ["$ac_install_sh"*], [INSTALL="$SHELL $INSTALL"])