test -z "$GENGETOPT" && AC_MSG_ERROR(
[gengetopt is required to build this package])
+AC_PATH_PROG([M4], [m4])
+test -z "$M4" && AC_MSG_ERROR(
+ [The m4 macro processor is required to build this package])
+
AC_PATH_PROG([HELP2MAN], [help2man])
test -z "$HELP2MAN" && AC_MSG_ERROR(
[help2man is required to build this package])