--- flex-2.6.2.orig/Makefile.am	2016-10-21 02:43:44.000000000 +0200
+++ flex-2.6.2/Makefile.am	2016-11-01 14:32:34.899271200 +0100
@@ -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