--- Makefile.in.orig	2019-05-22 00:28:33.000000000 -0500
+++ Makefile.in	2019-06-09 09:53:55.000000000 -0500
@@ -2428,7 +2428,7 @@
 top_srcdir = @top_srcdir@
 AUTOMAKE_OPTIONS = subdir-objects
 ACLOCAL_AMFLAGS = -I m4
-SUBDIRS = po runtime-po gnulib-po .
+SUBDIRS = po gnulib-po .
 aclocal_DATA = m4/bison-i18n.m4
 
 # Some of our targets (cross-options.texi, bison.1) use "bison --help".