#!/usr/bin/env bash

# Build OpenVPN 3 core on Linux as a callable module from Java:
#
# ./build-linux
# java -Djava.library.path=. Main profile.ovpn

set -e

if [ -z "$O3" ]; then
    echo O3 var must point to ovpn3 tree
    exit 1
fi

TARGET=linux
JINC="-I/usr/local/java/jdk1.7.0_55/include -I/usr/local/java/jdk1.7.0_55/include/linux"

cd $O3/core/javacli
git clean -q -fXd .
git clean -q -fd .

if [ "$DEBUG_BUILD" = "1" ]; then
    . $O3/core/vars/vars-${TARGET}-dbg
    vis1=""
    vis2=""
    opt2="$pkg_id_def $LIB_OPT_LEVEL"
else
    . $O3/core/vars/vars-${TARGET}
    vis1="-fvisibility=hidden"
    vis2='-DSWIGEXPORT=__attribute__((visibility("default")))'
    opt2="$pkg_id_def -Os"
fi

if [ "$OPENSSL" = "1" ]; then
    ssl_def="-DUSE_OPENSSL"
    ssl_inc="-I$DEP_DIR/openssl/openssl-$PLATFORM/include"
    ssl_lib="-lssl -lcrypto"
    ssl_libdir="-L$DEP_DIR/openssl/openssl-$PLATFORM/lib"
else
    ssl_def="-DUSE_MBEDTLS"
    ssl_inc="-I$DEP_DIR/mbedtls/mbedtls-$PLATFORM/include"
    ssl_lib="-lmbedtls"
    ssl_libdir="-L$DEP_DIR/mbedtls/mbedtls-$PLATFORM/library"
fi

echo SWIG
swig -c++ -java -I$O3/core/client -I$O3/core ovpncli.i

echo JAVA
javac *.java

echo CORE
g++ \
    $CXX_COMPILER_FLAGS \
    $PLATFORM_FLAGS \
    $LIB_OPT_LEVEL $LIB_FPIC \
    -Wall -Werror -Wno-sign-compare -Wno-unused-parameter \
    -Wno-unused-local-typedefs \
    $vis1 \
    $ssl_def \
    -DUSE_ASIO \
    -DASIO_STANDALONE \
    -DASIO_NO_DEPRECATED \
    -DHAVE_LZ4 \
    -I$O3/core/client \
    -I$O3/core \
    -I$DEP_DIR/asio/asio/include \
    $ssl_inc \
    -I$DEP_DIR/lz4/lz4-$PLATFORM/include \
    -c $O3/core/client/ovpncli.cpp

echo WRAP
g++ \
    $CXX_COMPILER_FLAGS \
    $PLATFORM_FLAGS \
    $opt2 $LIB_FPIC \
    -fno-strict-aliasing \
    -Wall -Werror \
    $vis1 $vis2 \
    -I$O3/core/client \
    -I$O3/core \
    $JINC \
    $ssl_libdir \
    -L$DEP_DIR/lz4/lz4-$PLATFORM/lib \
    ovpncli_wrap.cxx \
    ovpncli.o \
    -o libovpncli.so \
    -shared -Wl,-soname,libovpncli.so \
    $ssl_lib \
    -llz4

if [ "$DEBUG_BUILD" != "1" ]; then
    echo STRIP $ABI
    strip libovpncli.so
fi