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config(8)							    config(8)



NAME

  config - Builds system configuration files

SYNOPSIS

  /sys/conf/config [-k]	[-p] [-q] [system_name]

OPTIONS

  -k  Creates a	define variable	'KDEBUG' that can be used to conditionally
      compile source code for kernel debugging.

  -p  Configure	the system for profiling.  You must have sources to use	this
      option.

  -q  Concatenates and displays	all the	system configuration files, including
      any configuration	files described	in the /sys/conf/NAME.list file.

DESCRIPTION

  The doconfig command calls the config	command	to build a set of system con-
  figuration files from	a file that describes the sort of system that is
  being	configured.  The config	command	also takes as input another file that
  tells	it what	files are needed to generate a system. This other file can be
  augmented by a configuration-specific	set of files that name alternate
  files	for a specific machine.

  Normally, you	should run the doconfig	program	and not	the config command.
  If you need to issue the config command, be sure to change your directory
  to the /sys/conf directory. As an argument to	the config command, specify
  the name of a	system configuration file containing device specifications,
  configuration	options	and other system operands for that specific system
  configuration. The config command places all its output files	in the direc-
  tory ../system_name.

  The output of	config consists	of a number of files; each machine type	has
  its own specific set of files.  All machine types have a makefile which is
  used by make during the system build.	 Typically, there are also a set of
  header files which contain definitions of the	number of various devices
  that will be compiled	into the system, and a set of swap configuration
  files	contain	definitions for	the disk areas to be used for swapping,	the
  root file system, argument processing, and system dumps.

  After	running	config,	you run	make depend in the directory where the new
  makefile was created.

  If any other error messages are produced by config, the problems in the
  configuration	file should be corrected and config should be run again.
  Attempts to compile a	system that had	configuration errors are likely	to be
  unsuccessful.



NOTES

  The line numbers reported in error messages are usually off by one.



FILES

  /sys/conf/files
      List of common files used	to build the system

  /sys/conf/files.NAME
      List of files specific to	NAME, where NAME is the	value specified	for
      the ident	option in the system configuration file

  /sys/conf/template.mk.std
      Machine-independent portion of the makefile template used	for building
      kernels from binaries

  /sys/conf/template.mk
      Machine-independent portion of the makefile template used	for building
      kernels from sources

  /sys/conf/machine_type/template.mk
      Machine-dependent	portion	of the makefile	template

  /sys/conf/machine_type/files
      List of machine-specific files

  /sys/conf/machine_type/devices
      Machine-specific name to major device mapping file

SEE ALSO

  Commands: make(1), doconfig(8)

  System Administration