--- flex-2.6.1.orig/Makefile.am	2016-02-27 14:53:59.000000000 +0100
+++ flex-2.6.1/Makefile.am	2016-06-20 23:50:16.000000000 +0200
@@ -45,10 +45,6 @@ EXTRA_DIST = \
 SUBDIRS = \
 	lib \
 	src \
-	doc \
-	examples \
-	po \
-	tests \
 	tools
 
 # Create the ChangeLog, but only if we're inside a git working directory