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-.\" $OpenBSD: config.old.8,v 1.2 1997/01/12 07:43:31 downsj Exp $
-.\" $NetBSD: config.old.8,v 1.9 1995/08/17 17:22:09 thorpej Exp $
-.\"
-.\" Copyright (c) 1980, 1991 The Regents of the University of California.
-.\" All rights reserved.
-.\"
-.\" Redistribution and use in source and binary forms, with or without
-.\" modification, are permitted provided that the following conditions
-.\" are met:
-.\" 1. Redistributions of source code must retain the above copyright
-.\" notice, this list of conditions and the following disclaimer.
-.\" 2. Redistributions in binary form must reproduce the above copyright
-.\" notice, this list of conditions and the following disclaimer in the
-.\" documentation and/or other materials provided with the distribution.
-.\" 3. All advertising materials mentioning features or use of this software
-.\" must display the following acknowledgement:
-.\" This product includes software developed by the University of
-.\" California, Berkeley and its contributors.
-.\" 4. Neither the name of the University nor the names of its contributors
-.\" may be used to endorse or promote products derived from this software
-.\" without specific prior written permission.
-.\"
-.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
-.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
-.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
-.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
-.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
-.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
-.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
-.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
-.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
-.\" SUCH DAMAGE.
-.\"
-.\" from: @(#)config.8 6.5 (Berkeley) 3/16/91
-.\"
-.Dd March 16, 1991
-.Dt CONFIG.OLD 8
-.Os BSD 4
-.Sh NAME
-.Nm config.old
-.Nd build system configuration files
-.Sh SYNOPSIS
-.Nm config.old
-.Op Fl gkp
-.Ar SYSTEM_NAME
-.Sh DESCRIPTION
-.Pp
-.Nm config.old
-builds a set of system configuration files from the file
-.Ar SYSTEM_NAME
-which describes
-the system to configure.
-A second file
-tells
-.Nm config.old
-what files are needed to generate a system and
-can be augmented by configuration specific set of files
-that give alternate files for a specific machine.
-(see the
-.Sx FILES
-section below)
-.Pp
-Available option and operand:
-.Pp
-.Bl -tag -width SYSTEM_NAME
-.It Fl g
-If the
-.Fl g
-option is supplied,
-.Nm config.old
-will configure a system for debugging.
-.It Fl k
-If the
-.Fl k
-option is supplied,
-.Nm config.old
-will not fail immediately on detection of a configuration error.
-.It Fl p
-If the
-.Fl p
-option is supplied,
-.Nm config.old
-will configure a system for profiling; for example,
-.Xr kgmon 8
-and
-.Xr gprof 1 .
-
-.It Ar SYSTEM_NAME
-specifies the name of the system configuration file
-containing device specifications, configuration options
-and other system parameters for one system configuration.
-.El
-.Pp
-.Nm config.old
-should be run from the
-.Pa conf
-subdirectory of the system source (usually
-.Pa /sys/arch/ARCH/conf ) .
-.Nm Config.old
-assumes the directory
-.Pa ../compile/SYSTEM_NAME
-exists and places all output files there.
-The output of
-.Nm config.old
-consists of a number of files; for the
-.Tn i386 ,
-they are:
-.Pa ioconf.c ,
-a description
-of what I/O devices are attached to the system;
-.Pa vector.s ,
-a set of interrupt service routines for devices
-attached to the bus plus
-offsets into a structure used for counting per-device interrupts;
-.Pa Makefile ,
-used by
-.Xr make 1
-in building the system;
-header files,
-definitions of
-the number of various devices that will be compiled into the system;
-swap configuration files,
-definitions for
-the disk areas to be used for swapping, the root file system,
-argument processing, and system dumps.
-.Pp
-After running
-.Nm config.old ,
-it is necessary to run
-.Dq Li make depend
-in the directory where the new makefile
-was created.
-.Nm Config.old
-prints a reminder of this when it completes.
-.Pp
-If any other error messages are produced by
-.Nm config.old ,
-the problems in the configuration file should be corrected and
-.Nm config.old
-should be run again.
-Attempts to compile a system that had configuration errors
-are likely to fail.
-.Sh FILES
-.Bl -tag -width /sys/arch/i386/conf/Makefile.i386 -compact
-.It Pa /sys/arch/i386/conf/Makefile.i386
-generic makefile for the
-.Tn i386
-.It Pa /sys/conf/files.oldconf
-list of common files system is built from
-.It Pa /sys/arch/i386/conf/files.i386.oldconf
-list of
-.Tn i386
-specific files
-.It Pa /sys/arch/i386/conf/devices.i386.oldconf
-name to major device mapping file for the
-.Tn i386
-.It Pa /sys/arch/i386/conf/files.oldconf. Ns Em ERNIE
-list of files specific to
-.Em ERNIE
-system
-.El
-.Sh SEE ALSO
-The SYNOPSIS portion of each device in section 4.
-.Rs
-.%T "Building 4.3 BSD UNIX System with Config"
-.Re
-.Sh BUGS
-The line numbers reported in error messages are usually off by one.
-.Sh HISTORY
-The
-.Nm
-command appeared in
-.Bx 4.1 .