if [ -z "${VSPATH}" ]; then
VSPATH="$(cd ${MOZ_FETCHES_DIR} && pwd)/vs"
fi
if [ -d "${VSPATH}" ]; then
export WIN32_REDIST_DIR=${VSPATH}/VC/Redist/MSVC/14.29.30133/x64/Microsoft.VC142.CRT
export WINSYSROOT="${VSPATH}"