diff --git a/env-iis.sh b/env-iis.sh
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--- /dev/null
+++ b/env-iis.sh
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+#!/bin/bash
+
+# Copyright 2023 ETH Zurich and University of Bologna.
+# Licensed under the Apache License, Version 2.0, see LICENSE for details.
+# SPDX-License-Identifier: Apache-2.0
+
+# Author: Mattia Sinigaglia, University of Bologna
+
+echo "export Spatz toolchains"
+export LLVM_INSTALL_DIR=/usr/pack/riscv-1.0-kgf/spatz-llvm-2023.08.10
+export GCC_INSTALL_DIR=/usr/pack/riscv-1.0-kgf/spatz-gcc-7.1.1