#!/bin/sh

#+--------------------------------------------------------------------------------------------
#|Description:  This shell script used to download dropbear 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=dropbear
#DIR_NAME="dropbear-0.53"
DIR_NAME="dropbear-2013.56"
PACK_SUFIX="tar.bz2"
DL_ADDR="http://matt.ucc.asn.au/dropbear/releases/$DIR_NAME.$PACK_SUFIX"

INST_PATH=`pwd`/../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 $DIR_NAME
   set -x
   ./configure --prefix=$PREFIX_PATH CC=${CROSS}gcc ${CONFIG_CROSS} --disable-zlib
   make && make scp

   find -name dbclient -exec mv '{}' ssh \;
   cp dropbear ssh scp $PREFIX_PATH

   $STRIP $PREFIX_PATH/*
   file $PREFIX_PATH/*

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

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

cd -