#!/bin/sh

#+--------------------------------------------------------------------------------------------
#|Description:  This shell script used to download dhcp source code and cross compile it.
#|     Author:  GuoWenxue <guowenxue@gmail.com>
#|  ChangeLog:
#|           1, Initialize 1.0.0 on 2013.03.22
#+--------------------------------------------------------------------------------------------

. ../scripts/funcs.sh
clear_crossenv
. ../scripts/envs.sh

if [ -z $ARCH ]; then
   ARCH=
fi

APP_NAME=dhcp
DIR_NAME="dhcp-4.0.3"
PACK_SUFIX="tar.gz"
DL_ADDR="ftp://ftp.isc.org/isc/dhcp/$DIR_NAME.$PACK_SUFIX"
#DL_ADDR="ftp://ftp.isc.org/isc/dhcp/4.2.3/$DIR_NAME.$PACK_SUFIX"

PRJ_PATH=`pwd`
INST_PATH=${PRJ_PATH}/../mnt/usr/sbin/

LINK_STATIC=YES

select_arch
if [ -z $CROSS -a "x86" != "$ARCH" ] ; then
    CROSS="/opt/buildroot-2012.08/${ARCH}/usr/bin/arm-linux-"
fi
set_crosstool $CROSS

if [ "x86" != "$ARCH" ] ; then
    CONFIG_CROSS=--host=arm-linux
fi

PREFIX_PATH=/apps/${ARCH}/${APP_NAME}

# Download and decompress source code packet 
download $DL_ADDR
decompress_packet $DIR_NAME $PACK_SUFIX

if [ "$LINK_STATIC" == "YES" ] ; then
    export CFLAGS=--static
    export LDFLAGS=-static
    CONFIG_LD_STATUS='--disable-shared --enable-static'
else
    CONFIG_LD_STATUS='--enable-shared --disable-static'
fi

echo "+------------------------------------------------------------------+"
echo "|  Platform:  $DIR_NAME for $ARCH  "
echo "|  Compiler:  ${CROSS}gcc  "
echo "+------------------------------------------------------------------+"
mkdir -p $PREFIX_PATH


cd $DIR_NAME
   set -x
   echo "ac_cv_file__dev_random=yes" > linux.cache 
   ./configure --prefix=$PREFIX_PATH CC=${CROSS}gcc ${CONFIG_CROSS} \
   --cache-file=linux.cache -with-srv-lease-file=/tmp/dhcpd.leases \
   --with-srv-pid-file=/var/run/dhcpd.pid --with-relay-pid-file=/var/run/dhcrelay.pid
   make
   rm -f linux.cache

   make install

   ${STRIP} $PREFIX_PATH/sbin/*
   file $PREFIX_PATH/sbin/*

   if [ -n "$INST_PATH" -a -d "$INST_PATH" ] ; then
       cp $PREFIX_PATH/sbin/dhcpd $INST_PATH
   fi
   set +x

    echo "+------------------------------------------------------------------+"
    echo "|   Install Prefix: $PREFIX_PATH"
    echo "|   Install   Path: $INST_PATH"
    echo "+------------------------------------------------------------------+"

cd -