source: BLFS/gen_config.sh@ cfdc0f1

#!/bin/bash
#
# $Id$
#

export outFile=Config.in        # file for reading and writing to.
export inFile=packages          # file for reading and writing to.

declare PKG_NAME
declare PKG_XML_FILE
declare PKG_DIR
declare PKG_VER
declare INST_VER
declare INST_STRING
declare SAVE_IFS=${IFS}
declare -a DIR_TREE
declare PREV_DIR1="none"
declare PREV_DIR2="none"
declare MENU_SET1="n"
declare MENU_SET2="n"

> $outFile

#---------------------#
#         MAIN        #
#---------------------#
: <<enddoc
  This script will create a Config.in file from the contents
  of the file <packages>.
  Packages previously installed will not be included.
enddoc

echo -en "\tGenerating Config.in from package data ..."
while [ 0 ]
do

#  read -r || break 1
  read || break 1

  set -- $REPLY
  PKG_NAME=$1
  PKG_XML_FILE=$(basename $2)
  PKG_DIR=$(dirname $2)
  PKG_VER=$3
  INST_VER=$4
    # These are the META packages.
  if [ $PKG_DIR = "." ]; then
    SET_COMMENT=y
      # Do not include previously installed packages
    if [ -n "${PKG_VER}" ] && [ "x${PKG_VER}" = "x${INST_VER}" ]; then
      continue
    fi
      # Set installed version for updated meta-packages
    [ -n "${INST_VER}" ] && INST_STRING="[installed ${INST_VER}]"

    META_PKG=$(echo ${PKG_NAME} | tr [a-z] [A-Z])
(
cat << EOF
        config  CONFIG_$META_PKG
                bool    "$META_PKG $PKG_VER $INST_STRING"
                default n

                menu    "$(echo ${PKG_NAME} | tr [a-z] [A-Z]) components"
                        depends CONFIG_$META_PKG

EOF
) >> $outFile

    unset INST_STRING

         # Include the dependency data for this meta package
       while [ 0 ]; do
         read || break 1
         PKG_NAME=${REPLY}
         PKG_VER=$(grep "^${PKG_NAME}[[:space:]]" $inFile | cut -f3)
         INST_VER=$(grep "^${PKG_NAME}[[:space:]]" $inFile | cut -f4)
           # Skip installed meta-package components
         if [ -n "${PKG_VER}" ] && [ "x${PKG_VER}" = "x${INST_VER}" ]; then
           continue
         fi
           # Set installed version for updated meta-packages components
         [ -n "${INST_VER}" ] && INST_STRING="[installed ${INST_VER}]"
(
cat << EOF
        config  DEP_${META_PKG}_${PKG_NAME}
                bool    "$PKG_NAME ${PKG_VER} ${INST_STRING}"
                default y

EOF
) >> $outFile
         unset INST_STRING
       done <./libs/${PKG_NAME}.dep
     echo -e "endmenu" >> $outFile
    continue
  fi
  [[ "${SET_COMMENT}" = "y" ]] && echo "comment \"\"" >>$outFile; unset SET_COMMENT

    # Deal with a few unusable (at target level) package names
  case ${PKG_NAME} in
     xorg7-* ) continue ;;
     alsa-* ) continue ;;
     x-config | x-setup ) continue ;;
  esac

    # Skip installed packages
  if [ -n "${PKG_VER}" ] && [ "x${PKG_VER}" = "x${INST_VER}" ]; then
    continue
  fi
    # Set installed version for updated packages
  [ -n "${INST_VER}" ] && INST_STRING="[installed ${INST_VER}]"

  IFS="/"
  DIR_TREE=(${PKG_DIR})
  IFS="$SAVE_IFS"

    # Define a top level menu
  if [ "$PREV_DIR1" != "${DIR_TREE[1]}" ]; then
    [[ "${DIR_TREE[1]}" = "kde" ]] && continue
    [[ "${DIR_TREE[1]}" = "gnome" ]] && continue

    if [ $MENU_SET1 = "y" ]; then
      # Close out any open secondary menu
      if [ $MENU_SET2 = "y" ]; then
        echo -e "\tendmenu" >> $outFile
        # Reset 'menu open' flag
        MENU_SET2="n"
      fi
      # Close the current top level menu
      echo -e "endmenu\n" >> $outFile
    fi
    # Open a new top level menu
    echo -e "menu "$(echo ${DIR_TREE[1]:0:1} | tr [a-z] [A-Z])${DIR_TREE[1]:1}"" >> $outFile
    MENU_SET1="y"
  fi

    # Define a secondary menu
  if [ "$PREV_DIR2" != "${DIR_TREE[2]}" ]; then
      # Close out the previous open menu structure
    if [ $MENU_SET2 = "y" ]; then
      echo -e "\tendmenu\n"  >> $outFile
    fi
      # Initialize a new 2nd level menu structure.
    echo -e "\tmenu "$(echo ${DIR_TREE[2]:0:1} | tr [a-z] [A-Z])${DIR_TREE[2]:1}"" >> $outFile
    MENU_SET2="y"
  fi
(
cat << EOF
        config CONFIG_$PKG_NAME
                bool "$PKG_NAME ${PKG_VER} ${INST_STRING}"
                default n
EOF
) >> $outFile

  unset INST_STRING

  PREV_DIR1=${DIR_TREE[1]}
  PREV_DIR2=${DIR_TREE[2]}
done <"$inFile"

if [ $MENU_SET2 = "y" ]; then echo -e "\tendmenu" >> $outFile; fi
if [ $MENU_SET1 = "y" ]; then echo "endmenu" >> $outFile; fi

(
cat << EOF

comment ""

menu    "Default packages for resolving dependencies"

choice
        prompt  "Default print server"
        config  PS_cups
                bool    "cups"
        config  PS_LPRng
                bool    "LPRng"
endchoice
config  PRINT_SERVER
        string
        default cups    if PS_cups
        default LPRng   if PS_LPRng

choice
        prompt  "Mail server"
        config  MS_sendmail
                bool    "sendmail"
        config  MS_postfix
                bool    "postfix"
        config  MS_exim
                bool    "exim"
endchoice
config  MAIL_SERVER
        string
        default sendmail        if MS_sendmail
        default postfix         if MS_postfix
        default exim            if MS_exim

choice
        prompt  "Postscript package"
        config  GS_espgs
                bool    "espgs"
        config  GS_ghostscript
                bool    "ghostscript"
endchoice
config  GHOSTSCRIPT
        string
        default espgs       if GS_espgs
        default ghostscript if GS_ghostscript

choice
        prompt  "Kerberos 5"
        config  KER_mitkrb
                bool    "mitkrb"
        config  KER_heimdal
                bool    "heimdal"
endchoice
config  KBR5
        string
        default heimdal if KER_heimdal
        default mitkrb  if KER_mitkrb

choice
        prompt  "Window package"
        config  WIN_xorg7
        bool    "Xorg7"
        config  WIN_xorg
        bool    "Xorg"
        config  WIN_xfree86
        bool    "xfree86"
endchoice
config  X11
        string
        default xorg7   if WIN_xorg7
        default xorg    if WIN_xorg
        default xfree86 if WIN_xfree86
endmenu

choice
        prompt  "Dependency level"
        default DEPLVL_2

        config  DEPLVL_1
        bool    "Required dependencies only"

        config  DEPLVL_2
        bool    "Required and recommended dependencies"

        config  DEPLVL_3
        bool    "Required, recommended and optional dependencies"

endchoice
config  optDependency
        int
        default 1       if DEPLVL_1
        default 2       if DEPLVL_2
        default 3       if DEPLVL_3


config  SUDO
        bool "Build as User"
        default y
        help
                Select if sudo will be used (you want build as a normal user)
                        otherwise sudo is not needed (you want build as root)
EOF
) >> $outFile
echo "done"