Index: Makefile.in
===================================================================
--- Makefile.in.orig
+++ Makefile.in
@@ -2102,7 +2102,7 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 AUTOMAKE_OPTIONS = subdir-objects
 ACLOCAL_AMFLAGS = -I m4
-SUBDIRS = po runtime-po .
+SUBDIRS = po .
 aclocal_DATA = m4/bison-i18n.m4
 
 # Some of our targets (cross-option.texi, bison.1) use "bison --help".