diff -Nuar bison-2.6.5-orig/Makefile.am bison-2.6.5/Makefile.am
--- bison-2.6.5-orig/Makefile.am	2012-11-15 16:36:32.000000000 -0500
+++ bison-2.6.5/Makefile.am	2012-11-15 16:37:40.000000000 -0500
@@ -17,7 +17,7 @@
 
 ACLOCAL_AMFLAGS = -I m4
 
-SUBDIRS = build-aux po runtime-po lib data src doc examples tests etc
+SUBDIRS = build-aux po runtime-po lib data src examples tests etc
 
 # Files installed for use by Automake.
 aclocaldir = @aclocaldir@
diff -Nuar bison-2.6.5-orig/Makefile.in bison-2.6.5/Makefile.in
--- bison-2.6.5-orig/Makefile.in	2012-11-15 16:36:32.000000000 -0500
+++ bison-2.6.5/Makefile.in	2012-11-15 16:37:40.000000000 -0500
@@ -1428,7 +1428,7 @@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 ACLOCAL_AMFLAGS = -I m4
-SUBDIRS = build-aux po runtime-po lib data src doc examples tests etc
+SUBDIRS = build-aux po runtime-po lib data src examples tests etc
 aclocal_DATA = m4/bison-i18n.m4
 EXTRA_DIST = .prev-version .version \
   cfg.mk ChangeLog-1998 ChangeLog-2012 PACKAGING \