#! /bin/bash
#
#   Does an NDK build by creating the necessary JNI directory
#   and copying the libzmq source files into a temporary tree.
#   It then builds libczmq.so and places a symlink in this
#   directory.
#
#   The clean.sh script restores the libczmq environment to its
#   former state.

SRC_DIR="../../src/"
JNI_DIR="../../src/jni"

NDK_BUILD=`which ndk-build`

if [ -z "$NDK_BUILD" ]; then
    echo "Must have ndk-build in your path"
    exit 1
fi

if [ -z "$LIBZMQ" ]; then
	echo "You must export variable LIBZMQ to point to zmq library root folder!"
	exit 2
fi

if [ ! -e $LIBZMQ/builds/android/libzmq.so ]; then
	echo "You must build libzmq for android"
	exit 3
fi

if [ ! -d $JNI_DIR ]; then
    mkdir $JNI_DIR
fi

for i in `ls $SRC_DIR`; do
    if [ -f $SRC_DIR/$i -a ! -f $JNI_DIR/$i ]; then
        echo "copying $SRC_DIR/$i --> $JNI_DIR/$i"
        cp $SRC_DIR/$i $JNI_DIR/$i
    fi
done

cp Android.mk $JNI_DIR;
cp Application.mk $JNI_DIR

ln -s $LIBZMQ/builds/android/libzmq.so $JNI_DIR/libzmq.so

pushd .
cd $JNI_DIR
echo "Current Working dir: `pwd`"
$NDK_BUILD
popd

if [ -f ../../src/libs/armeabi/libczmq.so ]; then
	echo "Symlinking ../../src/libs/armeabi/libczmq.so --> ./libczmq.so"
	ln -s ../../src/libs/armeabi/libczmq.so ./libczmq.so
fi


exit 0