root/Configure

/* */

#! /bin/sh
# Configure     This script is used to configure the Linux kernel.
#
# Usage:        Configure [-pro]
#
# Version;      @(#)Configure   1.3     04/05/93
#
# Author:       Linus Torvalds, <torvalds@helsinki.fi>
#

  # Set variables to initial state.
  OPTS=""
  CONFIG=.config~
  CONFIG_H=include/linux/autoconf.h
  next="y"
  old="y"

  # Check commandline arguments.
  >config.new
  while [ $# != 0 ]
  do
        case $1 in
                -pro)   OPTS="UTS_SYSNAME \"LINUX/Pro\""
                        ;;
                *)      echo "Usage: Configure [-pro]"
                        exit 1
                        ;;
        esac
        shift
  done
        
  echo "#" > $CONFIG
  echo "# Automatically generated make config: don't edit" >> $CONFIG
  echo "#" >> $CONFIG

  echo "/*" > $CONFIG_H
  echo " * Automatically generated C config: don't edit" >> $CONFIG_H
  echo " */" >> $CONFIG_H

  # First of all, emit the "special" features to <linux/autoconf.h>.
  if [ "${OPTS}" ]
  then
        echo "#define ${OPTS}" >> $CONFIG_H
  fi

  # Read our standard input (which is the CONFIG.IN file).
  while read i
  do
        echo $i >> config.new
        echo >> $CONFIG
        echo >> $CONFIG_H
        echo
        echo "#" >> $CONFIG
        echo "/*" >> $CONFIG_H
        echo "**"
        while [ "$i" != "." -a "$i" != ":" ]
        do
                echo "# "$i >> $CONFIG
                echo " * "$i >> $CONFIG_H
                echo "**" $i
                read i || break
                echo $i >> config.new
        done
        echo "#" >> $CONFIG
        echo " */" >> $CONFIG_H
        echo "**"
        read i || break
        echo $i >> config.new
        while [ "$i" != "." -a "$i" != ":" ]
        do
                read j ques def || break
                if [ "$old" = "n" ]
                then
                        echo No $i
                        ans="n"
                else
                        echo -n $i '('$ques', default='$def')? '
                        read ans < /dev/tty
                        if [ "$ans" = "" ]
                        then
                                ans=$def
                        fi
                fi
                echo $j $ques $ans >> config.new
                if [ "$ans" = "y" ]
                then
                        echo $j = $j >> $CONFIG
                        echo "#define" $j 1 >> $CONFIG_H
                        next="y";
                fi
                read i || break
                echo $i >> config.new
        done
        old=$next
        next="y"
        if [ "$i" = ":" ]
        then
                next="n"
        fi
  done
  mv config.new config.in

  echo
  echo "The linux kernel is now hopefully configured for your setup."
  echo "Check the top-level Makefile for additional configuration,"
  echo "and do a 'make dep ; make clean' if you want to be sure all"
  echo "the files are correctly re-made"
  echo

  exit 0

/* */