--- Makefile.in.orig	2019-09-17 03:12:20 UTC
+++ Makefile.in
@@ -335,7 +335,7 @@ top_builddir = @top_builddir@
 top_srcdir = @top_srcdir@
 EXTRA_DIST = README-WIN
 ACLOCAL_AMFLAGS = -I m4
-SUBDIRS = src doc check
+SUBDIRS = src
 all: config.h
 	$(MAKE) $(AM_MAKEFLAGS) all-recursive
 
