#!/bin/sh

#+--------------------------------------------------------------------------------------------
#|Description:  This shell script used to download openswan source code and cross compile it.
#|     Author:  GuoWenxue <guowenxue@gmail.com>
#|  ChangeLog:
#|           1, Initialize 1.0.0 on 2011.12.23
#+--------------------------------------------------------------------------------------------
. ../scripts/funcs.sh
clear_crossenv
. ../scripts/envs.sh

APP_NAME=openswan
DIR_NAME=Openswan-3.0.14
PACK_SUFIX="zip"
DL_ADDR=https://nodeload.github.com/xelerance/Openswan/zip/v3.0.14


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

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

INST_PREFIX=/apps/$ARCH/
PREFIX_PATH=${INST_PREFIX}/${APP_NAME}
GMP_LIB_PATH=${INST_PREFIX}/gmp/lib
GMP_INC_PATH=${INST_PREFIX}/gmp/include
OPENSSL_LIB_PATH=${INST_PREFIX}/openssl/lib
OPENSSL_INC_PATH=${INST_PREFIX}/openssl/include

#Check GMP dependency
if [ ! -d ${GMP_LIB_PATH} ] ; then
    echo "${GMP_LIB_PATH} doesn't exist, cross compile GMP" 
    cd ../gmp
    sh build.sh
    cd -
fi

#Check Openssl dependency
if [ ! -d ${OPENSSL_LIB_PATH} ] ; then
    cd ../openssl
    sh build.sh
    cd -
fi

export CFLAGS="-I${OPENSSL_INC_PATH} --static"
export C_INCLUDE_PATH=${GMP_INC_PATH}
export LDFLAGS="-L${GMP_LIB_PATH} -L${OPENSSL_LIB_PATH} -static"

export ARCH=arm
export KERNELSRC=/home/guowenxue/stac.1/src/kernel/linux-3.4/
export DESTDIR=${PREFIX_PATH}

#Prepare OpenSwan source code
if [ ! -f ${DIR_NAME}.$PACK_SUFIX ] ; then
   wget https://nodeload.github.com/xelerance/Openswan/zip/v3.0.14 -O ${DIR_NAME}.${PACK_SUFIX}
fi
decompress_packet $DIR_NAME $PACK_SUFIX

cd ${DIR_NAME}
make programs install

${STRIP} ${DESTDIR}/usr/local/libexec/ipsec/*