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

mkdir -p sdk/include

LIB=astronomy

pushd sdk/include
  rm astronomy
  ln -fs ../../$LIB/astronomy/source/c astronomy
popd

mkdir $LIB
pushd $LIB

  git clone -b v2.1.19 https://github.com/cosinekitty/astronomy astronomy

  cp -av $DIR/Makefile.project astronomy
  ln -s $DIR/../../Makefile-template astronomy/Makefile

  pushd astronomy
    make
  popd

popd