--- m4-1.4.9/Makefile.in	2021-03-22 06:13:45.959823300 +0100
+++ m4-1.4.9-patched/Makefile.in	2021-03-22 06:18:06.420963000 +0100
@@ -267,7 +267,7 @@
 target_alias = @target_alias@
 top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
-SUBDIRS = . examples lib src doc checks
+SUBDIRS = . lib src
 EXTRA_DIST = bootstrap c-boxes.el gendocs.sh GNUmakefile Makefile.maint \
 	m4/gnulib-cache.m4