--- /dev/null
+#! /bin/sh
+#
+# This script is used to configure the linux kernel.
+#
+# It was inspired by a desire to not have to hit <enter> 9 million times
+# or startup the X server just to change a single kernel parameter.
+#
+# This script attempts to parse the configuration files, which are
+# scattered throughout the kernel source tree, and creates a temporary
+# set of mini scripts which are in turn used to create nested menus and
+# radiolists.
+#
+# It uses a very modified/mutilated version of the "dialog" utility
+# written by Savio Lam (lam836@cs.cuhk.hk). Savio is not responsible
+# for this script or the version of dialog used by this script.
+# Please do not contact him with questions. The official version of
+# dialog is available at sunsite.unc.edu or a sunsite mirror.
+#
+# Portions of this script were borrowed from the original Configure
+# script.
+#
+# William Roadcap was the original author of Menuconfig.
+# Michael Elizabeth Chastain (mec@shout.net) is the current maintainer.
+#
+# 070497 Bernhard Kaindl (bkaindl@netway.at) - get default values for
+# new bool, tristate and dep_tristate parameters from the defconfig file.
+# new configuration parameters are marked with '(NEW)' as in make config.
+#
+# 180697 Bernhard Kaindl (bkaindl@netway.at) - added the needed support
+# for string options. They are handled like the int and hex options.
+#
+# 081297 Pavel Machek (pavel@atrey.karlin.mff.cuni.cz) - better error
+# handling
+#
+# 131197 Michael Chastain (mec@shout.net) - output all lines for a
+# choice list, not just the selected one. This makes the output
+# the same as Configure output, which is important for smart config
+# dependencies.
+#
+# 101297 Michael Chastain (mec@shout.net) - remove sound driver cruft.
+#
+# 221297 Michael Chastain (mec@shout.net) - make define_bool actually
+# define its arguments so that later tests on them work right.
+#
+# 160198 Michael Chastain (mec@shout.net) - fix bug with 'c' command
+# (complement existing value) when used on virgin uninitialized variables.
+#
+# 090398 Axel Boldt (boldt@math.ucsb.edu) - allow for empty lines in help
+# texts.
+#
+# 12 Dec 1998, Michael Elizabeth Chastain (mec@shout.net)
+# Remove a /tmp security hole in get_def (also makes it faster).
+# Give uninitialized variables canonical values rather than null value.
+# Change a lot of places to call set_x_info uniformly.
+# Take out message about preparing version (old sound driver cruft).
+#
+# 13 Dec 1998, Riley H Williams <rhw@memalpha.cx>
+# When an error occurs, actually display the error message as well as
+# our comments thereon.
+#
+# 31 Dec 1998, Michael Elizabeth Chastain (mec@shout.net)
+# Fix mod_bool to honor $CONFIG_MODULES.
+# Fix dep_tristate to call define_bool when dependency is "n".
+#
+# 02 January 1999, Michael Elizabeth Chastain (mec@shout.net)
+# Blow away lxdialog.scrltmp on entry to activate_menu. This protects
+# against people who use commands like ' ' to select menus.
+#
+# 24 January 1999, Michael Elizabeth Chastain, <mec@shout.net>
+# - Improve the exit message (Jeff Ronne).
+#
+# 06 July 1999, Andrzej M. Krzysztofowicz, <ankry@mif.pg.gda.pl>
+# - Support for multiple conditions in dep_tristate().
+# - Implemented new functions: define_tristate(), define_int(), define_hex(),
+# define_string(), dep_bool().
+#
+
+. ${LINUXDIR}/.config
+
+#
+# Change this to TRUE if you prefer all kernel options listed
+# in a single menu rather than the standard menu hierarchy.
+#
+single_menu_mode=
+
+#
+# Make sure we're really running bash.
+#
+[ -z "$BASH" ] && { echo "Menuconfig requires bash" 1>&2; exit 1; }
+
+#
+# Cache function definitions, turn off posix compliance
+#
+set -h +o posix
+
+
+
+# Given a configuration variable, set the global variable $x to its value,
+# and the global variable $info to the string " (NEW)" if this is a new
+# variable.
+#
+# This function looks for: (1) the current value, or (2) the default value
+# from the arch-dependent defconfig file, or (3) a default passed by the caller.
+
+function set_x_info () {
+ eval x=\$$1
+ if [ -z "$x" ]; then
+ eval `sed -n -e 's/# \(.*\) is not set.*/\1=n/' -e "/^$1=/p" arch/$ARCH/defconfig`
+ eval x=\${$1:-"$2"}
+ eval $1=$x
+ eval INFO_$1="' (NEW)'"
+ fi
+ eval info="\$INFO_$1"
+}
+
+#
+# Load the functions used by the config.in files.
+#
+# I do this because these functions must be redefined depending
+# on whether they are being called for interactive use or for
+# saving a configuration to a file.
+#
+# Thank the heavens bash supports nesting function definitions.
+#
+load_functions () {
+
+#
+# Additional comments
+#
+function comment () {
+ comment_ctr=$[ comment_ctr + 1 ]
+ echo -ne "': $comment_ctr' '--- $1' " >>MCmenu
+}
+
+#
+# Define a boolean to a specific value.
+#
+function define_bool () {
+ eval $1=$2
+}
+
+function define_tristate () {
+ eval $1=$2
+}
+
+function define_hex () {
+ eval $1=$2
+}
+
+function define_int () {
+ eval $1=$2
+}
+
+function define_string () {
+ eval $1="$2"
+}
+
+#
+# Create a boolean (Yes/No) function for our current menu
+# which calls our local bool function.
+#
+function bool () {
+ set_x_info "$2" "n"
+
+ case $x in
+ y|m) flag="*" ;;
+ n) flag=" " ;;
+ esac
+
+ echo -ne "'$2' '[$flag] $1$info' " >>MCmenu
+
+ echo -e "function $2 () { l_bool '$2' \"\$1\" ;}\n" >>MCradiolists
+}
+
+#
+# Create a tristate (Yes/No/Module) radiolist function
+# which calls our local tristate function.
+#
+# Collapses to a boolean (Yes/No) if module support is disabled.
+#
+function tristate () {
+ if [ "$CONFIG_MODULES" != "y" ]
+ then
+ bool "$1" "$2"
+ else
+ set_x_info "$2" "n"
+
+ case $x in
+ y) flag="*" ;;
+ m) flag="M" ;;
+ *) flag=" " ;;
+ esac
+
+ echo -ne "'$2' '<$flag> $1$info' " >>MCmenu
+
+ echo -e "
+ function $2 () { l_tristate '$2' \"\$1\" ;}" >>MCradiolists
+ fi
+}
+
+#
+# Create a tristate radiolist function which is dependent on
+# another kernel configuration option.
+#
+# Quote from the original configure script:
+#
+# If the option we depend upon is a module,
+# then the only allowable options are M or N. If Y, then
+# this is a normal tristate. This is used in cases where modules
+# are nested, and one module requires the presence of something
+# else in the kernel.
+#
+function dep_tristate () {
+ ques="$1"
+ var="$2"
+ dep=y
+ shift 2
+ while [ $# -gt 0 ]; do
+ if [ "$1" = y ]; then
+ shift
+ elif [ "$1" = m ]; then
+ dep=m
+ shift
+ else
+ dep=n
+ shift $#
+ fi
+ done
+ if [ "$dep" = y ]; then
+ tristate "$ques" "$var"
+ elif [ "$dep" = m ]; then
+ mod_bool "$ques" "$var"
+ else
+ define_tristate "$var" n
+ fi
+}
+
+#
+# Same as above, but now only Y and N are allowed as dependency
+# (i.e. third and next arguments).
+#
+function dep_bool () {
+ ques="$1"
+ var="$2"
+ dep=y
+ shift 2
+ while [ $# -gt 0 ]; do
+ if [ "$1" = y ]; then
+ shift
+ else
+ dep=n
+ shift $#
+ fi
+ done
+ if [ "$dep" = y ]; then
+ bool "$ques" "$var"
+ else
+ define_bool "$var" n
+ fi
+}
+
+function dep_mbool () {
+ ques="$1"
+ var="$2"
+ dep=y
+ shift 2
+ while [ $# -gt 0 ]; do
+ if [ "$1" = y -o "$1" = m ]; then
+ shift
+ else
+ dep=n
+ shift $#
+ fi
+ done
+ if [ "$dep" = y ]; then
+ bool "$ques" "$var"
+ else
+ define_bool "$var" n
+ fi
+}
+
+#
+# Add a menu item which will call our local int function.
+#
+function int () {
+ set_x_info "$2" "$3"
+
+ echo -ne "'$2' '($x) $1$info' " >>MCmenu
+
+ echo -e "function $2 () { l_int '$1' '$2' '$3' '$x' ;}" >>MCradiolists
+}
+
+#
+# Add a menu item which will call our local hex function.
+#
+function hex () {
+ set_x_info "$2" "$3"
+ x=${x##*[x,X]}
+
+ echo -ne "'$2' '($x) $1$info' " >>MCmenu
+
+ echo -e "function $2 () { l_hex '$1' '$2' '$3' '$x' ;}" >>MCradiolists
+}
+
+#
+# Add a menu item which will call our local string function.
+#
+function string () {
+ set_x_info "$2" "$3"
+
+ echo -ne "'$2' ' $1: \"$x\"$info' " >>MCmenu
+
+ echo -e "function $2 () { l_string '$1' '$2' '$3' '$x' ;}" >>MCradiolists
+}
+
+#
+# Add a menu item which will call our local One-of-Many choice list.
+#
+function choice () {
+ #
+ # Need to remember params cause they're gonna get reset.
+ #
+ title=$1
+ choices=$2
+ default=$3
+ current=
+
+ #
+ # Find out if one of the choices is already set.
+ # If it's not then make it the default.
+ #
+ set -- $choices
+ firstchoice=$2
+
+ while [ -n "$2" ]
+ do
+ if eval [ "_\$$2" = "_y" ]
+ then
+ current=$1
+ break
+ fi
+ shift ; shift
+ done
+
+ : ${current:=$default}
+
+ echo -ne "'$firstchoice' '($current) $title' " >>MCmenu
+
+ echo -e "
+ function $firstchoice () \
+ { l_choice '$title' \"$choices\" \"$current\" ;}" >>MCradiolists
+}
+
+} # END load_functions()
+
+
+
+
+
+#
+# Extract available help for an option from Configure.help
+# and send it to standard output.
+#
+# Most of this function was borrowed from the original kernel
+# Configure script.
+#
+function extract_help () {
+ if [ -f Documentation/Configure.help ]
+ then
+ #first escape regexp special characters in the argument:
+ var=$(echo "$1"|sed 's/[][\/.^$*]/\\&/g')
+ #now pick out the right help text:
+ text=$(sed -n "/^$var[ ]*\$/,\${
+ /^$var[ ]*\$/c\\
+${var}:\\
+
+ /^#/b
+ /^[^ ]/q
+ s/^ //
+ /<file:\\([^>]*\\)>/s//\\1/g
+ p
+ }" Documentation/Configure.help)
+
+ if [ -z "$text" ]
+ then
+ echo "There is no help available for this kernel option."
+ return 1
+ else
+ echo "$text"
+ fi
+ else
+ echo "There is no help available for this kernel option."
+ return 1
+ fi
+}
+
+#
+# Activate a help dialog.
+#
+function help () {
+ if extract_help $1 >help.out
+ then
+ $DIALOG --backtitle "$backtitle" --title "$2"\
+ --textbox help.out $ROWS $COLS
+ else
+ $DIALOG --backtitle "$backtitle" \
+ --textbox help.out $ROWS $COLS
+ fi
+ rm -f help.out
+}
+
+#
+# Show the README file.
+#
+function show_readme () {
+ $DIALOG --backtitle "$backtitle" \
+ --textbox scripts/README.Menuconfig $ROWS $COLS
+}
+
+#
+# Begin building the dialog menu command and Initialize the
+# Radiolist function file.
+#
+function menu_name () {
+ echo -ne "$DIALOG --title '$1'\
+ --backtitle '$backtitle' \
+ --menu '$menu_instructions' \
+ $ROWS $COLS $((ROWS-10)) \
+ '$default' " >MCmenu
+ >MCradiolists
+}
+
+#
+# Add a submenu option to the menu currently under construction.
+#
+function submenu () {
+ echo -ne "'activate_menu $2' '$1 --->' " >>MCmenu
+}
+
+#
+# Handle a boolean (Yes/No) option.
+#
+function l_bool () {
+ if [ -n "$2" ]
+ then
+ case "$2" in
+ y|m) eval $1=y ;;
+ c) eval x=\$$1
+ case $x in
+ y) eval $1=n ;;
+ n) eval $1=y ;;
+ *) eval $1=y ;;
+ esac ;;
+ *) eval $1=n ;;
+ esac
+ else
+ echo -ne "\007"
+ fi
+}
+
+#
+# Same as bool() except options are (Module/No)
+#
+function mod_bool () {
+ if [ "$CONFIG_MODULES" != "y" ]; then
+ define_bool "$2" "n"
+ else
+ set_x_info "$2" "n"
+
+ case $x in
+ y|m) flag='M' ;;
+ *) flag=' ' ;;
+ esac
+
+ echo -ne "'$2' '<$flag> $1$info' " >>MCmenu
+
+ echo -e "function $2 () { l_mod_bool '$2' \"\$1\" ;}" >>MCradiolists
+ fi
+}
+
+#
+# Same as l_bool() except options are (Module/No)
+#
+function l_mod_bool() {
+ if [ -n "$2" ]
+ then
+ case "$2" in
+ y) echo -en "\007"
+ ${DIALOG} --backtitle "$backtitle" \
+ --infobox "\
+This feature depends on another which has been configured as a module. \
+As a result, this feature will be built as a module." 4 70
+ sleep 5
+ eval $1=m ;;
+ m) eval $1=m ;;
+ c) eval x=\$$1
+ case $x in
+ m) eval $1=n ;;
+ n) eval $1=m ;;
+ *) eval $1=m ;;
+ esac ;;
+ *) eval $1=n ;;
+ esac
+ else
+ echo -ne "\007"
+ fi
+}
+
+#
+# Handle a tristate (Yes/No/Module) option.
+#
+function l_tristate () {
+ if [ -n "$2" ]
+ then
+ eval x=\$$1
+
+ case "$2" in
+ y) eval $1=y ;;
+ m) eval $1=m ;;
+ c) eval x=\$$1
+ case $x in
+ y) eval $1=n ;;
+ n) eval $1=m ;;
+ m) eval $1=y ;;
+ *) eval $1=y ;;
+ esac ;;
+ *) eval $1=n ;;
+ esac
+ else
+ echo -ne "\007"
+ fi
+}
+
+#
+# Create a dialog for entering an integer into a kernel option.
+#
+function l_int () {
+ while true
+ do
+ if $DIALOG --title "$1" \
+ --backtitle "$backtitle" \
+ --inputbox "$inputbox_instructions_int" \
+ 10 75 "$4" 2>MCdialog.out
+ then
+ answer="`cat MCdialog.out`"
+ answer="${answer:-$3}"
+
+ # Semantics of + and ? in GNU expr changed, so
+ # we avoid them:
+ if expr "$answer" : '0$' '|' "$answer" : '[1-9][0-9]*$' '|' "$answer" : '-[1-9][0-9]*$' >/dev/null
+ then
+ eval $2="$answer"
+ else
+ eval $2="$3"
+ echo -en "\007"
+ ${DIALOG} --backtitle "$backtitle" \
+ --infobox "You have made an invalid entry." 3 43
+ sleep 2
+ fi
+
+ break
+ fi
+
+ help "$2" "$1"
+ done
+}
+
+#
+# Create a dialog for entering a hexadecimal into a kernel option.
+#
+function l_hex () {
+ while true
+ do
+ if $DIALOG --title "$1" \
+ --backtitle "$backtitle" \
+ --inputbox "$inputbox_instructions_hex" \
+ 10 75 "$4" 2>MCdialog.out
+ then
+ answer="`cat MCdialog.out`"
+ answer="${answer:-$3}"
+ answer="${answer##*[x,X]}"
+
+ if expr "$answer" : '[0-9a-fA-F][0-9a-fA-F]*$' >/dev/null
+ then
+ eval $2="$answer"
+ else
+ eval $2="$3"
+ echo -en "\007"
+ ${DIALOG} --backtitle "$backtitle" \
+ --infobox "You have made an invalid entry." 3 43
+ sleep 2
+ fi
+
+ break
+ fi
+
+ help "$2" "$1"
+ done
+}
+
+#
+# Create a dialog for entering a string into a kernel option.
+#
+function l_string () {
+ while true
+ do
+ if $DIALOG --title "$1" \
+ --backtitle "$backtitle" \
+ --inputbox "$inputbox_instructions_string" \
+ 10 75 "$4" 2>MCdialog.out
+ then
+ answer="`cat MCdialog.out`"
+ answer="${answer:-$3}"
+
+ #
+ # Someone may add a nice check for the entered
+ # string here...
+ #
+ eval $2=\"$answer\"
+
+ break
+ fi
+
+ help "$2" "$1"
+ done
+}
+
+
+#
+# Handle a one-of-many choice list.
+#
+function l_choice () {
+ #
+ # Need to remember params cause they're gonna get reset.
+ #
+ title="$1"
+ choices="$2"
+ current="$3"
+ chosen=
+
+ #
+ # Scan current value of choices and set radiolist switches.
+ #
+ list=
+ set -- $choices
+ firstchoice=$2
+ while [ -n "$2" ]
+ do
+ case "$1" in
+ "$current"*) if [ -z "$chosen" ]; then
+ list="$list $2 $1 ON "
+ chosen=1
+ else
+ list="$list $2 $1 OFF "
+ fi ;;
+ *) list="$list $2 $1 OFF " ;;
+ esac
+
+ shift ; shift
+ done
+
+ while true
+ do
+ if $DIALOG --title "$title" \
+ --backtitle "$backtitle" \
+ --radiolist "$radiolist_instructions" \
+ 15 70 6 $list 2>MCdialog.out
+ then
+ choice=`cat MCdialog.out`
+ break
+ fi
+
+ help "$firstchoice" "$title"
+ done
+
+ #
+ # Now set the boolean value of each option based on
+ # the selection made from the radiolist.
+ #
+ set -- $choices
+ while [ -n "$2" ]
+ do
+ if [ "$2" = "$choice" ]
+ then
+ eval $2="y"
+ else
+ eval $2="n"
+ fi
+
+ shift ; shift
+ done
+}
+
+#
+# Call awk, and watch for error codes, etc.
+#
+function callawk () {
+awk "$1" || echo "Awk died with error code $?. Giving up." || exit 1
+}
+
+#
+# A faster awk based recursive parser. (I hope)
+#
+function parser1 () {
+callawk '
+BEGIN {
+ menu_no = 0
+ comment_is_option = 0
+ parser("'$CONFIG_IN'","MCmenu0")
+}
+
+function parser(ifile,menu) {
+
+ while (getline <ifile) {
+ if ($1 == "mainmenu_option") {
+ comment_is_option = "1"
+ }
+ else if ($1 == "comment" && comment_is_option == "1") {
+ comment_is_option= "0"
+ sub($1,"",$0)
+ ++menu_no
+
+ printf("submenu %s MCmenu%s\n", $0, menu_no) >>menu
+
+ newmenu = sprintf("MCmenu%d", menu_no);
+ printf( "function MCmenu%s () {\n"\
+ "default=$1\n"\
+ "menu_name %s\n",\
+ menu_no, $0) >newmenu
+
+ parser(ifile, newmenu)
+ }
+ else if ($0 ~ /^#|\$MAKE|mainmenu_name/) {
+ printf("") >>menu
+ }
+ else if ($1 ~ "endmenu") {
+ printf("}\n") >>menu
+ return
+ }
+ else if ($1 == "source") {
+ parser($2,menu)
+ }
+ else {
+ print >>menu
+ }
+ }
+}'
+}
+
+#
+# Secondary parser for single menu mode.
+#
+function parser2 () {
+callawk '
+BEGIN {
+ parser("'$CONFIG_IN'","MCmenu0")
+}
+
+function parser(ifile,menu) {
+
+ while (getline <ifile) {
+ if ($0 ~ /^#|$MAKE|mainmenu_name/) {
+ printf("") >>menu
+ }
+ else if ($1 ~ /mainmenu_option|endmenu/) {
+ printf("") >>menu
+ }
+ else if ($1 == "source") {
+ parser($2,menu)
+ }
+ else {
+ print >>menu
+ }
+ }
+}'
+}
+
+#
+# Parse all the config.in files into mini scripts.
+#
+function parse_config_files () {
+ rm -f MCmenu*
+
+ echo "function MCmenu0 () {" >MCmenu0
+ echo 'default=$1' >>MCmenu0
+ echo "menu_name 'Main Menu'" >>MCmenu0
+
+ if [ "_$single_menu_mode" = "_TRUE" ]
+ then
+ parser2
+ else
+ parser1
+ fi
+
+ echo "comment ''" >>MCmenu0
+ echo "g_alt_config" >>MCmenu0
+ echo "s_alt_config" >>MCmenu0
+
+ echo "}" >>MCmenu0
+
+ #
+ # These mini scripts must be sourced into the current
+ # environment in order for all of this to work. Leaving
+ # them on the disk as executables screws up the recursion
+ # in activate_menu(), among other things. Once they are
+ # sourced we can discard them.
+ #
+ for i in MCmenu*
+ do
+ echo -n "."
+ source ./$i
+ done
+ rm -f MCmenu*
+}
+
+#
+# This is the menu tree's bootstrap.
+#
+# Executes the parsed menus on demand and creates a set of functions,
+# one per configuration option. These functions will in turn execute
+# dialog commands or recursively call other menus.
+#
+function activate_menu () {
+ rm -f lxdialog.scrltmp
+ while true
+ do
+ comment_ctr=0 #So comment lines get unique tags
+
+ $1 "$default" 2> MCerror #Create the lxdialog menu & functions
+
+ if [ "$?" != "0" ]
+ then
+ clear
+ cat <<EOM
+
+Menuconfig has encountered a possible error in one of the kernel's
+configuration files and is unable to continue. Here is the error
+report:
+
+EOM
+ sed 's/^/ Q> /' MCerror
+ cat <<EOM
+
+Please report this to the maintainer <mec@shout.net>. You may also
+send a problem report to <linux-kernel@vger.kernel.org>.
+
+Please indicate the kernel version you are trying to configure and
+which menu you were trying to enter when this error occurred.
+
+EOM
+ cleanup
+ exit 1
+ fi
+ rm -f MCerror
+
+ . ./MCradiolists #Source the menu's functions
+
+ . ./MCmenu 2>MCdialog.out #Activate the lxdialog menu
+ ret=$?
+
+ read selection <MCdialog.out
+
+ case "$ret" in
+ 0|3|4|5|6)
+ defaults="$selection\12$defaults" #pseudo stack
+ case "$ret" in
+ 0) eval $selection ;;
+ 3) eval $selection y ;;
+ 4) eval $selection n ;;
+ 5) eval $selection m ;;
+ 6) eval $selection c ;;
+ esac
+ default="${defaults%%\12*}" defaults="${defaults#*\12}"
+ ;;
+ 2)
+ default="${selection%%\ *}"
+
+ case "$selection" in
+ *"-->"*|*"alt_config"*)
+ show_readme ;;
+ *)
+ eval help $selection ;;
+ esac
+ ;;
+ 255|1)
+ break
+ ;;
+ 139)
+ stty sane
+ clear
+ cat <<EOM
+
+There seems to be a problem with the lxdialog companion utility which is
+built prior to running Menuconfig. Usually this is an indicator that you
+have upgraded/downgraded your ncurses libraries and did not remove the
+old ncurses header file(s) in /usr/include or /usr/include/ncurses.
+
+It is VERY important that you have only one set of ncurses header files
+and that those files are properly version matched to the ncurses libraries
+installed on your machine.
+
+You may also need to rebuild lxdialog. This can be done by moving to
+the /usr/src/linux/scripts/lxdialog directory and issuing the
+"make clean all" command.
+
+If you have verified that your ncurses install is correct, you may email
+the maintainer <mec@shout.net> or post a message to
+<linux-kernel@vger.kernel.org> for additional assistance.
+
+EOM
+ cleanup
+ exit 139
+ ;;
+ esac
+ done
+}
+
+#
+# Create a menu item to load an alternate configuration file.
+#
+g_alt_config () {
+ echo -n "get_alt_config 'Load an Alternate Configuration File' "\
+ >>MCmenu
+}
+
+#
+# Get alternate config file name and load the
+# configuration from it.
+#
+get_alt_config () {
+ set -f ## Switch file expansion OFF
+
+ while true
+ do
+ ALT_CONFIG="${ALT_CONFIG:-$DEFAULTS}"
+
+ $DIALOG --backtitle "$backtitle" \
+ --inputbox "\
+Enter the name of the configuration file you wish to load. \
+Accept the name shown to restore the configuration you \
+last retrieved. Leave blank to abort."\
+ 11 55 "$ALT_CONFIG" 2>MCdialog.out
+
+ if [ "$?" = "0" ]
+ then
+ ALT_CONFIG=`cat MCdialog.out`
+
+ [ "_" = "_$ALT_CONFIG" ] && break
+
+ if eval [ -r "$ALT_CONFIG" ]
+ then
+ eval load_config_file "$ALT_CONFIG"
+ break
+ else
+ echo -ne "\007"
+ $DIALOG --backtitle "$backtitle" \
+ --infobox "File does not exist!" 3 38
+ sleep 2
+ fi
+ else
+ cat <<EOM >help.out
+
+For various reasons, one may wish to keep several different kernel
+configurations available on a single machine.
+
+If you have saved a previous configuration in a file other than the
+kernel's default, entering the name of the file here will allow you
+to modify that configuration.
+
+If you are uncertain, then you have probably never used alternate
+configuration files. You should therefor leave this blank to abort.
+
+EOM
+ $DIALOG --backtitle "$backtitle"\
+ --title "Load Alternate Configuration"\
+ --textbox help.out $ROWS $COLS
+ fi
+ done
+
+ set +f ## Switch file expansion ON
+ rm -f help.out MCdialog.out
+}
+
+#
+# Create a menu item to store an alternate config file.
+#
+s_alt_config () {
+ echo -n "save_alt_config 'Save Configuration to an Alternate File' "\
+ >>MCmenu
+}
+
+#
+# Get an alternate config file name and save the current
+# configuration to it.
+#
+save_alt_config () {
+ set -f ## Switch file expansion OFF
+
+ while true
+ do
+ $DIALOG --backtitle "$backtitle" \
+ --inputbox "\
+Enter a filename to which this configuration should be saved \
+as an alternate. Leave blank to abort."\
+ 10 55 "$ALT_CONFIG" 2>MCdialog.out
+
+ if [ "$?" = "0" ]
+ then
+ ALT_CONFIG=`cat MCdialog.out`
+
+ [ "_" = "_$ALT_CONFIG" ] && break
+
+ if eval touch $ALT_CONFIG 2>/dev/null
+ then
+ eval save_configuration $ALT_CONFIG
+ load_functions ## RELOAD
+ break
+ else
+ echo -ne "\007"
+ $DIALOG --backtitle "$backtitle" \
+ --infobox "Can't create file! Probably a nonexistent directory." 3 60
+ sleep 2
+ fi
+ else
+ cat <<EOM >help.out
+
+For various reasons, one may wish to keep different kernel
+configurations available on a single machine.
+
+Entering a file name here will allow you to later retrieve, modify
+and use the current configuration as an alternate to whatever
+configuration options you have selected at that time.
+
+If you are uncertain what all this means then you should probably
+leave this blank.
+EOM
+ $DIALOG --backtitle "$backtitle"\
+ --title "Save Alternate Configuration"\
+ --textbox help.out $ROWS $COLS
+ fi
+ done
+
+ set +f ## Switch file expansion ON
+ rm -f help.out MCdialog.out
+}
+
+#
+# Load config options from a file.
+# Converts all "# OPTION is not set" lines to "OPTION=n" lines
+#
+function load_config_file () {
+ awk '
+ /# .* is not set.*/ { printf("%s=n\n", $2) }
+ ! /# .* is not set.*/ { print }
+ ' $1 >.tmpconfig
+
+ source ./.tmpconfig
+ rm -f .tmpconfig
+}
+
+#
+# Just what it says.
+#
+save_configuration () {
+ echo
+ echo -n "Saving your kernel configuration."
+
+ #
+ # Now, let's redefine the configuration functions for final
+ # output to the config files.
+ #
+ # Nested function definitions, YIPEE!
+ #
+ function bool () {
+ set_x_info "$2" "n"
+ eval define_bool "$2" "$x"
+ }
+
+ function tristate () {
+ set_x_info "$2" "n"
+ eval define_tristate "$2" "$x"
+ }
+
+ function dep_tristate () {
+ set_x_info "$2" "n"
+ var="$2"
+ shift 2
+ while [ $# -gt 0 ]; do
+ if [ "$1" = y ]; then
+ shift
+ elif [ "$1" = m -a "$x" != n ]; then
+ x=m; shift
+ else
+ x=n; shift $#
+ fi
+ done
+ define_tristate "$var" "$x"
+ }
+
+ function dep_bool () {
+ set_x_info "$2" "n"
+ var="$2"
+ shift 2
+ while [ $# -gt 0 ]; do
+ if [ "$1" = y ]; then
+ shift
+ else
+ x=n; shift $#
+ fi
+ done
+ define_bool "$var" "$x"
+ }
+
+ function dep_mbool () {
+ set_x_info "$2" "n"
+ var="$2"
+ shift 2
+ while [ $# -gt 0 ]; do
+ if [ "$1" = y -o "$1" = m ]; then
+ shift
+ else
+ x=n; shift $#
+ fi
+ done
+ define_bool "$var" "$x"
+ }
+
+ function int () {
+ set_x_info "$2" "$3"
+ echo "$2=$x" >>$CONFIG
+ echo "#define $2 ($x)" >>$CONFIG_H
+ }
+
+ function hex () {
+ set_x_info "$2" "$3"
+ echo "$2=$x" >>$CONFIG
+ echo "#define $2 0x${x##*[x,X]}" >>$CONFIG_H
+ }
+
+ function string () {
+ set_x_info "$2" "$3"
+ echo "$2=\"$x\"" >>$CONFIG
+ echo "#define $2 \"$x\"" >>$CONFIG_H
+ }
+
+ function define_hex () {
+ eval $1="$2"
+ echo "$1=$2" >>$CONFIG
+ echo "#define $1 0x${2##*[x,X]}" >>$CONFIG_H
+ }
+
+ function define_int () {
+ eval $1="$2"
+ echo "$1=$2" >>$CONFIG
+ echo "#define $1 ($2)" >>$CONFIG_H
+ }
+
+ function define_string () {
+ eval $1="$2"
+ echo "$1=\"$2\"" >>$CONFIG
+ echo "#define $1 \"$2\"" >>$CONFIG_H
+ }
+
+ function define_bool () {
+ define_tristate "$1" "$2"
+ }
+
+ function define_tristate () {
+ eval $1="$2"
+
+ case "$2" in
+ y)
+ echo "$1=y" >>$CONFIG
+ echo "#define $1 1" >>$CONFIG_H
+ ;;
+
+ m)
+ if [ "$CONFIG_MODULES" = "y" ]
+ then
+ echo "$1=m" >>$CONFIG
+ echo "#undef $1" >>$CONFIG_H
+ echo "#define $1_MODULE 1" >>$CONFIG_H
+ else
+ echo "$1=y" >>$CONFIG
+ echo "#define $1 1" >>$CONFIG_H
+ fi
+ ;;
+
+ n)
+ echo "# $1 is not set" >>$CONFIG
+ echo "#undef $1" >>$CONFIG_H
+ ;;
+ esac
+ }
+
+ function choice () {
+ #
+ # Find the first choice that's already set to 'y'
+ #
+ choices="$2"
+ default="$3"
+ current=
+ chosen=
+
+ set -- $choices
+ while [ -n "$2" ]
+ do
+ if eval [ "_\$$2" = "_y" ]
+ then
+ current=$1
+ break
+ fi
+ shift ; shift
+ done
+
+ #
+ # Use the default if none were set.
+ #
+ : ${current:=$default}
+
+ #
+ # Output all choices (to be compatible with other configs).
+ #
+ set -- $choices
+ while [ -n "$2" ]
+ do
+ case "$1" in
+ "$current"*) if [ -z "$chosen" ]; then
+ define_bool "$2" "y"
+ chosen=1
+ else
+ define_bool "$2" "n"
+ fi ;;
+ *) define_bool "$2" "n" ;;
+ esac
+ shift ; shift
+ done
+ }
+
+ function mainmenu_name () {
+ :
+ }
+
+ function mainmenu_option () {
+ comment_is_option=TRUE
+ }
+
+ function endmenu () {
+ :
+ }
+
+ function comment () {
+ if [ "$comment_is_option" ]
+ then
+ comment_is_option=
+ echo >>$CONFIG
+ echo "#" >>$CONFIG
+ echo "# $1" >>$CONFIG
+ echo "#" >>$CONFIG
+
+ echo >>$CONFIG_H
+ echo "/*" >>$CONFIG_H
+ echo " * $1" >>$CONFIG_H
+ echo " */" >>$CONFIG_H
+ fi
+ }
+
+ echo -n "."
+
+ DEF_CONFIG="${1:-.config}"
+ #DEF_CONFIG_H="include/linux/autoconf.h"
+ DEF_CONFIG_H="include/config.h"
+
+ CONFIG=.tmpconfig
+ CONFIG_H=.tmpconfig.h
+
+ echo "#" >$CONFIG
+ echo "# Automatically generated by make menuconfig: don't edit" >>$CONFIG
+ echo "#" >>$CONFIG
+
+ echo "/*" >$CONFIG_H
+ echo " * Automatically generated by make menuconfig: don't edit" >>$CONFIG_H
+ echo " */" >>$CONFIG_H
+ echo "#define AUTOCONF_INCLUDED" >> $CONFIG_H
+
+ echo -n "."
+ if . $CONFIG_IN >>.menuconfig.log 2>&1
+ then
+ if [ "$DEF_CONFIG" = ".config" ]
+ then
+ mv $CONFIG_H $DEF_CONFIG_H
+ fi
+
+ if [ -f "$DEF_CONFIG" ]
+ then
+ rm -f ${DEF_CONFIG}.old
+ mv $DEF_CONFIG ${DEF_CONFIG}.old
+ fi
+
+ mv $CONFIG $DEF_CONFIG
+
+ return 0
+ else
+ return 1
+ fi
+}
+
+#
+# Remove temporary files
+#
+cleanup () {
+ cleanup1
+ cleanup2
+}
+
+cleanup1 () {
+ rm -f MCmenu* MCradiolists MCdialog.out help.out
+}
+
+cleanup2 () {
+ rm -f .tmpconfig .tmpconfig.h
+}
+
+set_geometry () {
+ # Some distributions export these with incorrect values
+ # which can really screw up some ncurses programs.
+ LINES= COLUMNS=
+
+ ROWS=${1:-24} COLS=${2:-80}
+
+ # Just in case the nasty rlogin bug returns.
+ #
+ [ $ROWS = 0 ] && ROWS=24
+ [ $COLS = 0 ] && COLS=80
+
+ if [ $ROWS -lt 19 -o $COLS -lt 80 ]
+ then
+ echo -e "\n\007Your display is too small to run Menuconfig!"
+ echo "It must be at least 19 lines by 80 columns."
+ exit 1
+ fi
+
+ ROWS=$((ROWS-4)) COLS=$((COLS-5))
+}
+
+
+set_geometry `stty size 2>/dev/null`
+
+menu_instructions="\
+Arrow keys navigate the menu. \
+<Enter> selects submenus --->. \
+Highlighted letters are hotkeys. \
+Pressing <Y> includes, <N> excludes, <M> modularizes features. \
+Press <Esc><Esc> to exit, <?> for Help. \
+Legend: [*] built-in [ ] excluded <M> module < > module capable"
+
+radiolist_instructions="\
+Use the arrow keys to navigate this window or \
+press the hotkey of the item you wish to select \
+followed by the <SPACE BAR>.
+Press <?> for additional information about this option."
+
+inputbox_instructions_int="\
+Please enter a decimal value. \
+Fractions will not be accepted. \
+Use the <TAB> key to move from the input field to the buttons below it."
+
+inputbox_instructions_hex="\
+Please enter a hexadecimal value. \
+Use the <TAB> key to move from the input field to the buttons below it."
+
+inputbox_instructions_string="\
+Please enter a string value. \
+Use the <TAB> key to move from the input field to the buttons below it."
+
+DIALOG="./scripts/lxdialog/lxdialog"
+
+kernel_version="${VERSION}.${PATCHLEVEL}.${SUBLEVEL}${EXTRAVERSION}"
+
+backtitle="Linux Kernel v$kernel_version Configuration"
+
+trap "cleanup ; exit 1" 1 2 15
+
+
+#
+# Locate default files.
+#
+CONFIG_IN=./config.in
+if [ "$1" != "" ] ; then
+ CONFIG_IN=$1
+fi
+
+DEFAULTS=arch/$ARCH/defconfig
+if [ -f .config ]; then
+ DEFAULTS=.config
+fi
+
+if [ -f $DEFAULTS ]
+then
+ echo "Using defaults found in" $DEFAULTS
+ load_config_file $DEFAULTS
+else
+ echo "No defaults found"
+fi
+
+
+# Fresh new log.
+>.menuconfig.log
+
+# Load the functions used by the config.in files.
+echo -n "Preparing scripts: functions"
+load_functions
+
+if [ ! -e $CONFIG_IN ]
+then
+ echo "Your main config.in file ($CONFIG_IN) does not exist"
+ exit 1
+fi
+
+if [ ! -x $DIALOG ]
+then
+ echo "Your lxdialog utility does not exist"
+ exit 1
+fi
+
+#
+# Read config.in files and parse them into one shell function per menu.
+#
+echo -n ", parsing"
+parse_config_files $CONFIG_IN
+
+echo "done."
+#
+# Start the ball rolling from the top.
+#
+activate_menu MCmenu0
+
+#
+# All done!
+#
+cleanup1
+
+#
+# Confirm and Save
+#
+if $DIALOG --backtitle "$backtitle" \
+ --yesno "Do you wish to save your new kernel configuration?" 5 60
+then
+ save_configuration
+ echo
+ echo
+ echo "*** End of Linux kernel configuration."
+ echo "*** Check the top-level Makefile for additional configuration."
+ if [ ! -f .hdepend -o "$CONFIG_MODVERSIONS" = "y" ] ; then
+ echo "*** Next, you must run 'make dep'."
+ else
+ echo "*** Next, you may run 'make bzImage', 'make bzdisk', or 'make install'."
+ fi
+ echo
+else
+ echo
+ echo
+ echo Your kernel configuration changes were NOT saved.
+ echo
+fi
+
+# Remove log if empty.
+if [ ! -s .menuconfig.log ] ; then
+ rm -f .menuconfig.log
+fi
+
+exit 0
projects / comedi.git / commitdiff