diff options
Diffstat (limited to 'scripts/Menuconfig')
| -rw-r--r-- | scripts/Menuconfig | 1285 |
1 files changed, 1285 insertions, 0 deletions
diff --git a/scripts/Menuconfig b/scripts/Menuconfig new file mode 100644 index 0000000..5d4cdce --- /dev/null +++ b/scripts/Menuconfig @@ -0,0 +1,1285 @@ +#! /bin/sh +# +# This script is used to configure BusyBox. +# +# 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 $CONFIG_MODULES. +# Fix dep_tristate to call define_bool when dependency is "n". +# +# 02 January 1999, Michael Elizabeth Chastain (mec@shout.net) +# Blow away lxdialog.scrltmp on entry to activate_menu. This protects +# against people who use commands like ' ' to select menus. +# +# 24 January 1999, Michael Elizabeth Chastain, <mec@shout.net> +# - Improve the exit message (Jeff Ronne). +# +# 06 July 1999, Andrzej M. Krzysztofowicz, <ankry@mif.pg.gda.pl> +# - Support for multiple conditions in dep_tristate(). +# - Implemented new functions: define_tristate(), define_int(), define_hex(), +# define_string(), dep_bool(). +# +# 22 October 2001, Erik Andersen <andersee@debian.org> +# - Adjusted for busybox (modified hard coded kernel specific paths, +# and everything to do with modules (tristates, modbools, etc). + + +# +# Change this to TRUE if you prefer all options listed +# in a single menu rather than the standard menu hierarchy. +# +single_menu_mode= + +# +# Make sure we're really running bash. +# +[ -z "$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 "/^$1=/p" sysdeps/$TARGET_OS/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_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 +} + +# +# 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 docs/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 + }" docs/Configure.help) + + if [ -z "$text" ] + then + echo "There is no help available for this option." + return 1 + else + echo "$text" + fi + else + echo "There is no help available for this 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 +} + +# +# Create a dialog for entering an integer into a 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 an 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 an 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 [ "$?" != "0" ] + then + clear + cat <<EOM + +Menuconfig has encountered a possible error in one of BusyBox's +configuration files and is unable to continue. Here is the error +report: + +EOM + sed 's/^/ Q> /' MCerror + cat <<EOM + +Please report this to the maintainer <mec@shout.net>. You may also +send a problem report to <busybox@oss.lineo.com>. + +Please indicate the BusyBox version you are trying to configure and +which menu you were trying to enter when this error occurred. + +EOM + cleanup + exit 1 + fi + rm -f MCerror + + . ./MCradiolists #Source the menu's functions + + . ./MCmenu 2>MCdialog.out #Activate the lxdialog menu + ret=$? + + read selection <MCdialog.out + + case "$ret" in + 0|3|4|5|6) + defaults="$selection$defaults" #pseudo stack + case "$ret" in + 0) eval $selection ;; + 3) eval $selection y ;; + 4) eval $selection n ;; + 5) eval $selection m ;; + 6) eval $selection c ;; + esac + default="${defaults%%*}" defaults="${defaults#*}" + ;; + 2) + default="${selection%%\ *}" + + case "$selection" in + *"-->"*|*"alt_config"*) + show_readme ;; + *) + eval help $selection ;; + esac + ;; + 255|1) + break + ;; + 139) + stty sane + clear + cat <<EOM + +There seems to be a problem with the lxdialog companion utility which is +built prior to running Menuconfig. Usually this is an indicator that you +have upgraded/downgraded your ncurses libraries and did not remove the +old ncurses header file(s) in /usr/include or /usr/include/ncurses. + +It is VERY important that you have only one set of ncurses header files +and that those files are properly version matched to the ncurses libraries +installed on your machine. + +You may also need to rebuild lxdialog. This can be done by moving to +the /usr/src/linux/scripts/lxdialog directory and issuing the +"make clean all" command. + +If you have verified that your ncurses install is correct, you may email +the maintainer <andersen@codepoet.org> or post a message to +<busybox@oss.lineo.com> for additional assistance. + +EOM + cleanup + exit 139 + ;; + esac + done +} + +# +# Create a menu item to load an alternate configuration file. +# +g_alt_config () { + echo -n "get_alt_config 'Load an Alternate Configuration File' "\ + >>MCmenu +} + +# +# Get alternate config file name and load the +# configuration from it. +# +get_alt_config () { + set -f ## Switch file expansion OFF + + while true + do + ALT_CONFIG="${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 BusyBox +configurations available on a single machine. + +If you have saved a previous configuration in a file other than the +busybox 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 BusyBox +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 BusyBox 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 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 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 + ;; + + 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/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=$((COLS-5)) +} + + +set_geometry `stty size 2>/dev/null` + +menu_instructions="\ +Arrow keys navigate the menu. \ +Pressing <Enter> selects submenus --->. \ +Highlighted letters are hotkeys. \ +Pressing <Y> includes, and <N> excludes. \ +Press <Esc><Esc> to exit, <?> for Help. \ +Legend: [*] built-in [ ] excluded " + +radiolist_instructions="\ +Use the arrow keys to navigate this window or \ +press the hotkey of the item you wish to select \ +followed by the <SPACE BAR>. +Press <?> for additional information about this option." + +inputbox_instructions_int="\ +Please enter a decimal value. \ +Fractions will not be accepted. \ +Use the <TAB> key to move from the input field to the buttons below it." + +inputbox_instructions_hex="\ +Please enter a hexadecimal value. \ +Use the <TAB> key to move from the input field to the buttons below it." + +inputbox_instructions_string="\ +Please enter a string value. \ +Use the <TAB> key to move from the input field to the buttons below it." + +DIALOG="./scripts/lxdialog/lxdialog" + +bb_version="${VERSION}" +backtitle="BusyBox v$bb_version Configuration" + +trap "cleanup ; exit 1" 1 2 15 + + +# +# Locate default files. +# +CONFIG_IN=./config.in +if [ "$1" != "" ] ; then + CONFIG_IN=$1 +fi + +DEFAULTS=sysdeps/$TARGET_OS/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 BusyBox configuration?" 5 60 +then + save_configuration + echo + echo + echo "*** End of BusyBox configuration." + echo "*** Check the top-level Makefile for additional configuration." + if [ ! -f .hdepend ] ; then + echo "*** Next, you must run 'make dep'." + else + echo "*** Next, you should run 'make' or 'make install'." + fi + echo +else + echo + echo + echo Your BusyBox configuration changes were NOT saved. + echo +fi + +# Remove log if empty. +if [ ! -s .menuconfig.log ] ; then + rm -f .menuconfig.log +fi + +exit 0 |