===================================================================
RCS file: /cvs/mandoc/configure.local.example,v
retrieving revision 1.24
retrieving revision 1.25
diff -u -p -r1.24 -r1.25
--- mandoc/configure.local.example	2017/02/08 16:11:41	1.24
+++ mandoc/configure.local.example	2017/02/08 16:16:08	1.25
@@ -1,4 +1,4 @@
-# $Id: configure.local.example,v 1.24 2017/02/08 16:11:41 schwarze Exp $
+# $Id: configure.local.example,v 1.25 2017/02/08 16:16:08 schwarze Exp $
 #
 # Copyright (c) 2014, 2015, 2016 Ingo Schwarze <schwarze@openbsd.org>
 #
@@ -222,6 +222,8 @@ CGIBINDIR="${WWWPREFIX}/cgi-bin"
 
 # By default, building mandocd(8) and catman(8) is disabled.
 # To enable it, use the following line.
+# It does not work on SunOS 5.10 because there is no mkdirat(2)
+# nor on SunOS 5.9 which also lacks CMSG_LEN(3) and CMSG_SPACE(3).
 
 BUILD_CATMAN=1