if [ -f "${LIB_DIR}/libcryptopp.a" ]; then
    echo "lib exists already in ${LIB_DIR}. If you want to rebuild it, delete the existing one."
    exit 0
fi

CRYPTOPP_DIR="${TMP_DIR}/cryptopp"
if [ ! -d "${CRYPTOPP_DIR}" ]; then
    git clone -b CRYPTOPP_8_2_0 https://github.com/weidai11/cryptopp
fi
pushd ${CRYPTOPP_DIR}
    export CXX="$(xcrun --sdk ${SDK} -f clang++) -arch ${ARCH} -isysroot ${SDK_PATH} -stdlib=libc++"
    export CFLAGS="-arch ${ARCH} -isysroot ${SDK_PATH} -std=c14"
    export LDFLAGS="-arch ${ARCH}"
    export CC="$(xcrun --sdk ${SDK} -f clang) -arch ${ARCH} -isysroot ${SDK_PATH}-target ${TARGET}"
    export PREFIX=${CURRENT_LIB_DIR}
    if [ "${ARCH}" == "x86_64" ]; then
        export CXXFLAGS="-arch ${ARCH} -isysroot ${SDK_PATH} -mmacosx-version-min=10.10"
        make clean
        make -j4
        make install
    elif [ "${ARCH}" == "arm64" ]; then
        export CXXFLAGS="-arch ${ARCH} -isysroot ${SDK_PATH} -mmacosx-version-min=11.0 -DDISABLE_NATIVE_ARCH=1 -DCRYPTOPP_ARM_CRC32_AVAILABLE=0"
        make clean
        make -j4
        make install
    else
        echo "Error: Unhandled arch!"
        exit 1
    fi
popd
unset PREFIX
unset CXXFLAGS
unset CXX
unset CFLAGS
unset LDFLAGS
unset CC