--- flex-2.6.0.orig/Makefile.in	2015-11-17 17:19:45.000000000 +0100
+++ flex-2.6.0/Makefile.in	2016-04-08 22:10:39.401057770 +0200
@@ -447,10 +447,6 @@ EXTRA_DIST = \
 SUBDIRS = \
 	lib \
 	src \
-	doc \
-	examples \
-	po \
-	tests \
 	tools
 
 all: all-recursive