if [ -z "${VSPATH}" ]; then
    TOOLTOOL_DIR=${TOOLTOOL_DIR:-$topsrcdir}
    VSPATH="$(cd ${TOOLTOOL_DIR} && pwd)/vs2017_15.8.4"
fi

if [ -d "${VSPATH}" ]; then
    VSWINPATH="$(cd ${VSPATH} && (pwd -W 2>/dev/null || pwd))"

    export WINDOWSSDKDIR="${VSWINPATH}/SDK"
    export WIN32_REDIST_DIR="${VSPATH}/VC/redist/x86/Microsoft.VC141.CRT"
    export WIN_UCRT_REDIST_DIR="${VSPATH}/SDK/Redist/ucrt/DLLs/x86"
    export DIA_SDK_PATH="${VSPATH}/DIA SDK"
    export VC_PATH="${VSPATH}/VC"
fi

ac_add_options --target=i686-pc-mingw32