--- a/Makefile.am	2018-09-14 22:51:18.000000000 +0100
+++ b/Makefile.am	2020-03-17 15:37:37.493186784 +0000
@@ -1,4 +1,4 @@
-SUBDIRS = src include benchmark	doc_example
+SUBDIRS = src include benchmark
 ACLOCAL_AMFLAGS = -I m4
 
 pcfiles = liborcus-@ORCUS_API_VERSION@.pc