Manually remove $(BUILT_SOURCES) since no-dist-built-sources doesnt work
diff --git a/lib/perl/Makefile.am b/lib/perl/Makefile.am
index 8b72436..9d762b4 100644
--- a/lib/perl/Makefile.am
+++ b/lib/perl/Makefile.am
@@ -36,6 +36,9 @@
 	$(RM) Makefile-perl.mk.old
 	$(RM) -r gen-perl gen-perl2
 
+distdir:
+	$(MAKE) $(AM_MAKEFLAGS) distdir-am
+
 EXTRA_DIST = \
 	coding_standards.md \
 	build-cpan-dist.sh \