OS_UNAME=`uname`
if [[ "$OS_UNAME" != 'Linux' ]]; then
	exit 0
fi

set -x
DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"

mkdir -p sdk/include
mkdir -p sdk/lib

LIB=libunwind

mkdir $LIB
pushd $LIB

	git clone https://github.com/libunwind/libunwind --branch=v1.8.1 --depth 1

		pushd libunwind

			autoreconf -i
			./configure --prefix=`pwd`/install --enable-static
			make install

		popd

popd

pushd sdk/include
  rm libunwind
  ln -fs ../../$LIB/libunwind/install/include libunwind
popd

pushd sdk/lib
	for dir in */; do
		pushd $dir
			ln -s ../../../$LIB/libunwind/install/lib/*.a ./
		popd
	done
popd

ls -lha sdk/lib/*/libunwind*
ls -lha sdk/include/libunwind