--- man/Makefile.orig	2016-05-26 15:42:53 UTC

+++ man/Makefile

@@ -461,6 +461,7 @@ $(srcdir)/config.sub.1:   $(top_srcdir)/

 	PATH="$(top_builddir)/tests$(PATH_SEPARATOR)$(top_srcdir)/build-aux$(PATH_SEPARATOR)$$PATH"; \

 	export PATH; \

 	$(HELP2MAN) \

+	    --no-discard-stderr \

 	    --include=$*.x \

 	    --include=$(srcdir)/common.x \

 	    --source='$(PACKAGE_STRING)' \