From 4bb7c6590e0beaeb59563eb06583fa52c8863539 Mon Sep 17 00:00:00 2001
From: Joseph Koshy <jkoshy@FreeBSD.org>
Date: Sun, 12 Feb 2006 07:56:11 +0000
Subject: [PATCH] Document the two argument form of the "machine" directive.

Reviewed by:	imp
MFC After:	3 days
---
 usr.sbin/config/config.5 | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/usr.sbin/config/config.5 b/usr.sbin/config/config.5
index 6c75c01677eb..c5623085e417 100644
--- a/usr.sbin/config/config.5
+++ b/usr.sbin/config/config.5
@@ -164,7 +164,7 @@ and return to the current file after
 is successfully processed.
 .\" -------- MACHINE --------
 .Pp
-.It Ic machine Ar arch
+.It Ic machine Ar arch Op Ar basearch
 Specifies the architecture of the machine the kernel is being
 compiled for.
 Legal values for
@@ -188,6 +188,17 @@ The IBM PowerPC architecture.
 The Sun Sparc64 architecture.
 .El
 .Pp
+If argument
+.Ar basearch
+is specified, it points
+.Xr config 8
+to the base architecture of the machine.
+Currently the
+.Cm pc98
+architecture requires its base architecture
+to be set to
+.Cm i386 .
+.Pp
 A kernel configuration file may have only one
 .Ic machine
 directive.