scripts/mkconfigs

   1 #!/bin/sh
   2 #
   3 # Copyright (C) 2002 Khalid Aziz <khalid_aziz at hp.com>
   4 # Copyright (C) 2002 Randy Dunlap <rddunlap at osdl.org>
   5 # Copyright (C) 2002 Al Stone <ahs3 at fc.hp.com>
   6 # Copyright (C) 2002 Hewlett-Packard Company
   7 #
   8 #   This program is free software; you can redistribute it and/or modify
   9 #   it under the terms of the GNU General Public License as published by
  10 #   the Free Software Foundation; either version 2 of the License, or
  11 #   (at your option) any later version.
  12 #
  13 #   This program is distributed in the hope that it will be useful,
  14 #   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15 #   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16 #   GNU General Public License for more details.
  17 #
  18 #   You should have received a copy of the GNU General Public License
  19 #   along with this program; if not, write to the Free Software
  20 #   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  21 #
  22 #   Busybox version by Matteo Croce <3297627799 at wind.it>
  23 #
  24 # Rules to generate bbconfigopts.h from .config:
  25 #      - Retain lines that begin with "CONFIG_"
  26 #      - Retain lines that begin with "# CONFIG_"
  27 #      - lines that use double-quotes must \\-escape-quote them
  28
  29 config=.config
  30
  31 od -v -b </dev/null >/dev/null
  32 if test $? != 0; then
  33         echo 'od tool is not installed or cannot accept "-v -b" options'
  34         exit 1
  35 fi
  36 bzip2 </dev/null >/dev/null
  37 if test $? != 0; then
  38         echo 'bzip2 is not installed'
  39         exit 1
  40 fi
  41
  42 {
  43 echo "\
  44 #ifndef _BBCONFIGOPTS_H
  45 #define _BBCONFIGOPTS_H
  46 /*
  47  * busybox configuration settings.
  48  *
  49  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  50  *
  51  * This file is generated automatically by scripts/mkconfigs.
  52  * Do not edit.
  53  */
  54 static const char bbconfig_config[] ALIGN1 ="
  55
  56 grep -e '^# CONFIG_' -e '^CONFIG_' "$config" \
  57 | sed -e 's/\"/\\\"/g' -e 's/^/"/' -e 's/$/\\n"/'
  58
  59 echo ";"
  60 echo "#endif"
  61 } >"$1"
  62
  63 {
  64 echo "\
  65 #ifndef _BBCONFIGOPTS_BZ2_H
  66 #define _BBCONFIGOPTS_BZ2_H
  67 /*
  68  * busybox configuration settings.
  69  *
  70  * Licensed under GPLv2 or later, see file LICENSE in this source tree.
  71  *
  72  * This file is generated automatically by scripts/mkconfigs.
  73  * Do not edit.
  74  */
  75 static const char bbconfig_config_bz2[] ALIGN1 = {"
  76
  77 grep -e '^# CONFIG_' -e '^CONFIG_' "$config" \
  78 | bzip2 -1 | dd bs=2 skip=1 2>/dev/null \
  79 | od -v -b \
  80 | sed -e 's/^[^ ]*//' \
  81         -e 's/ //g' \
  82         -e '/^$/d' \
  83         -e 's/\(...\)/0\1,/g'
  84
  85 echo "};"
  86 echo "#endif"
  87 } >"$2"