AC_DEFUN([AM_PROG_MKDIR_P],
[AC_PREREQ([2.60])dnl
AC_REQUIRE([AC_PROG_MKDIR_P])dnl
-dnl FIXME to be removed in Automake 1.14.
+dnl FIXME we are no longer going to remove this! adjust warning
+dnl FIXME message accordingly.
AC_DIAGNOSE([obsolete],
[$0: this macro is deprecated, and will soon be removed.
You should use the Autoconf-provided 'AC][_PROG_MKDIR_P' macro instead,