diff -r 48b0adfe3059 -r 6ba4c0f3c9d1 Makefile.am
--- a/Makefile.am	Thu Jan 22 22:54:45 2009 +0000
+++ b/Makefile.am	Tue Jul 05 09:40:01 2016 +0100
@@ -4,6 +4,8 @@
 
 ACLOCAL_AMFLAGS = -I gl/m4
 
+DISTCHECK_CONFIGURE_FLAGS = --enable-tests
+
 # Creating ChangeLog from git log (taken from cairo/Makefile.am):
 ChangeLog: $(srcdir)/ChangeLog