~ubuntu-branches/ubuntu/hardy/linux-backports-modules-2.6.24/hardy-security

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#!/usr/bin/env /bin/bash
# Copyright (C) 2007 Intel Corporation
script=generate_compatible
prog=$0
[ "${prog/*$script/$script}" = "$script" ] || {
    echo "This script must not be sourced."
    return 1
} || return 1

function die() {
    ret=$1
    shift
    echo -e $@ >&2
    exit $ret
}

[ -z "$KSRC" ] && 
die 1 "KSRC must be defined."

[ ! -e "${KSRC}/Makefile" ] && 
die 1 "Kernel Makefile not found at '$KSRC'"

. scripts/determine_compat 
determine_compat || 
die $? "\nCould not provide compatible version. Try 2.6.18 or newer.\n\nTerminating."

SRC=$1
DST=compatible

[ -d "$SRC" ] ||
die 5 "\n$SRC/ tree does not exist.  Run 'make $SRC' to build the\n$SRC directory."

SRC=${SRC/%\/}/
DST=${DST/%\/}/

[ ! -e $DST ] || {
    die 1 "$DST already exists.  You must remove it before continuing."
}

echo "Building compatibility version in '$DST' directory:"

mkdir $DST
echo -n "Copying $DST from $SRC..."
cp -r ${SRC}* $DST || die $? "Copy failed."
echo "done"

(( !$requires_compat )) && exit 0

function do_patch {
    [ -e "$2" ] ||
    die 3 "$2 does not exist.  Terminating."
    echo -ne " + Applying: $2\n\t"
    cat "$2" | while read command rest; do
	case $command in
	    "Commit:" | "Author:" | "")
		;;
	    *) echo "$command $rest"
		break
		;;
	esac
    done

    patch -p1 -d $1 < "$2" > .patch.output || {
	echo "-----patch failure output-----"
	cat .patch.output
	echo ""
	die 1 "$2 failed.  Terminating."
    } 
    [ -e .patch.output ] && rm .patch.output
    return 0
}

function do_script {
    [ -x "$2" ] ||
    die 3 "$2 does not exist.  Terminating."
    echo -ne " + Running: $2\n\t"
    head -n 2 "$2" | tail -n 1 | sed -e 's,^#[[:space:]]*,,g' || 
    die $? "Terminating."
    $2 $1 || return 1
    return 0
}

(( !$has_mac80211_v2 )) && {
	do_patch $DST patches/mac80211-v1.patch || die $? "Failed."
}

(( !$has_delayed_work )) && {
	do_script $DST patches/01-queue_delayed_work.sh &&
	do_script $DST patches/02-cancel_delayed_work.sh &&
	do_patch $DST patches/02-kcompat_delayed_work.patch ||
		die $? "Failed."
}

(( !$has_new_request_irq )) && {
	do_patch $DST patches/03-isr.patch || die $? "Failed."
}

(( !$has_rx_flag_radiotap )) && {
	do_patch $DST patches/04-rx_flag_radiotap.patch || die $? "Failed."
}

(( !$has_delayed_work_define )) && {
	do_patch $DST patches/05-delayed_work_define.patch || die $? "Failed."
}

(( !$has_wlan_80211 )) && {
	do_patch $DST patches/wlan_80211.patch || 
		die $? "Failed."
}

(( !$has_csa_conf )) && {
	do_patch $DST patches/06-csa.patch ||
		die $? "Failed."
}

(( !$has_hex_dump )) && {
	do_patch $DST patches/07-hex_dump.patch ||
		die $? "Failed."
}

(( !$has_is_power_of_2 )) && {
	do_patch $DST patches/08-is_power_of_2.patch ||
		die $? "Failed."
}

(( !$has_cancel_work_sync )) && {
	do_patch $DST patches/09-cancel_work_sync.patch ||
		die $? "Failed."
}

(( $has_preferred_rate_control )) && {
	do_patch $DST patches/10-preferred_rate_control.patch ||
		die $? "Failed."
}

(( !$has_i_private )) && {
	do_script $DST patches/i_private.sh ||
		die $? "Failure creating i_private rename compatibility."
}

makefile_modified=0
(( !$has_mac80211_ht )) && {
	grep -q 'export CONFIG_IWL4965_HT ?= y' Makefile
	if [ $? -eq 0 ]; then
		sed -i -e \
		's/export CONFIG_IWL4965_HT[^_].*$/export CONFIG_IWL4965_HT ?= n/' \
		Makefile
		makefile_modified=1
	fi
}

(( !$has_mac80211_ht_agg )) && {
	grep -q 'export CONFIG_IWL4965_HT_AGG ?= y' Makefile
	if [ $? -eq 0 ]; then
		sed -i -e \
		's/export CONFIG_IWL4965_HT_AGG.*$/export CONFIG_IWL4965_HT_AGG ?= n/' \
		Makefile
		makefile_modified=1
	fi
}

(( $makefile_modified )) && exit 1

exit 0