diff --git devel/autoconf/files/patch-man_Makefile.in devel/autoconf/files/patch-man_Makefile.in
new file mode 100644
index 0000000..90983f5
--- /dev/null
+++ devel/autoconf/files/patch-man_Makefile.in
@@ -0,0 +1,10 @@
+--- man/Makefile.in.orig	2012-04-25 02:40:26 UTC
++++ man/Makefile.in
+@@ -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)' \