busybox/scripts/mkconfigs

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#!/bin/sh
#
# Copyright (C) 2002 Khalid Aziz <khalid_aziz at hp.com>
# Copyright (C) 2002 Randy Dunlap <rddunlap at osdl.org>
# Copyright (C) 2002 Al Stone <ahs3 at fc.hp.com>
# Copyright (C) 2002 Hewlett-Packard Company
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 2 of the License, or
# (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
#
# Busybox version by Matteo Croce <3297627799 at wind.it>
#
# Rules to generate bbconfigopts.h from .config:
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# - Retain lines that begin with "CONFIG_"
# - Retain lines that begin with "# CONFIG_"
# - lines that use double-quotes must \\-escape-quote them
config=.config
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od -v -b </dev/null >/dev/null
if test $? != 0; then
echo 'od tool is not installed or cannot accept "-v -b" options'
exit 1
fi
bzip2 </dev/null >/dev/null
if test $? != 0; then
echo 'bzip2 is not installed'
exit 1
fi
{
echo "\
#ifndef _BBCONFIGOPTS_H
#define _BBCONFIGOPTS_H
/*
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* busybox configuration settings.
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
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*
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* This file is generated automatically by scripts/mkconfigs.
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* Do not edit.
*/
static const char bbconfig_config[] ALIGN1 ="
grep -e '^# CONFIG_' -e '^CONFIG_' "$config" \
| sed -e 's/\"/\\\"/g' -e 's/^/"/' -e 's/$/\\n"/'
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echo ";"
echo "#endif"
} >"$1"
{
echo "\
#ifndef _BBCONFIGOPTS_BZ2_H
#define _BBCONFIGOPTS_BZ2_H
/*
* busybox configuration settings.
*
* Licensed under GPLv2 or later, see file LICENSE in this source tree.
*
* This file is generated automatically by scripts/mkconfigs.
* Do not edit.
*/
static const char bbconfig_config_bz2[] ALIGN1 = {"
grep -e '^# CONFIG_' -e '^CONFIG_' "$config" \
| bzip2 -1 | dd bs=2 skip=1 2>/dev/null \
| od -v -b \
| sed -e 's/^[^ ]*//' \
-e 's/ //g' \
-e '/^$/d' \
-e 's/\(...\)/0\1,/g'
echo "};"
echo "#endif"
} >"$2"