--- a/components/flex/Makefile	Fri Sep 16 18:08:39 2016 -0700
+++ b/components/flex/Makefile	Tue Jul 05 09:18:36 2016 -0500
@@ -58,5 +58,6 @@
 	'-e "/FAIL/p" ' \
 	'-e "/ERROR/p" '
 
+REQUIRED_PACKAGES += developer/documentation-tool/help2man
 REQUIRED_PACKAGES += developer/macro/gnu-m4
 REQUIRED_PACKAGES += system/library/math