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#!/usr/bin/env bash
# Copyright 2021 Contributors to the Parsec project.
# SPDX-License-Identifier: Apache-2.0
# Cross compile the `tss-esapi` crate (and its dependencies) for Armv7 and Aarch64
# In order to cross-compile the TSS library we need to also cross-compile OpenSSL
set -euf -o pipefail
OPENSSL_GIT="https://github.com/openssl/openssl.git"
OPENSSL_VERSION="OpenSSL_1_1_1j"
TPM2_TSS_GIT="https://github.com/tpm2-software/tpm2-tss.git"
TPM2_TSS_VERSION="2.4.6"
export SYSROOT="/tmp/sysroot"
git_checkout() {
if [ ! -d "/tmp/$(basename "$1" ".git")" ]; then
pushd /tmp
git clone "$1" --branch "$2"
popd
fi
}
prepare_sysroot() {
# Prepare the SYSROOT
[ -d "$SYSROOT" ] && rm -fr "$SYSROOT"
mkdir -p "$SYSROOT"
# Allow the `pkg-config` crate to cross-compile
export PKG_CONFIG_ALLOW_CROSS=1
export PKG_CONFIG_PATH="$SYSROOT"/lib/pkgconfig:"$SYSROOT"/share/pkgconfig
export PKG_CONFIG_SYSROOT_DIR="$SYSROOT"
}
cross-compile-openssl() {
pushd /tmp/openssl
# Compile and copy files over
./Configure $2 shared --prefix="$SYSROOT" --openssldir="$SYSROOT"/openssl --cross-compile-prefix=$1-
make clean
make depend
make -j$(nproc)
make install_sw
popd
}
cross-compile-tpm2-tss() {
pushd /tmp/tpm2-tss
[ ! -f configure ] && ./bootstrap
./configure --enable-fapi=no --prefix=/ --build=x86_64-pc-linux-gnu --host=$1 --target=$1 CC=$1-gcc
make clean
make -j$(nproc)
make DESTDIR="$SYSROOT" install
popd
}
# Download cross-compilers
apt update
apt install -y gcc-multilib
apt install -y gcc-arm-linux-gnueabi
apt install -y gcc-aarch64-linux-gnu
# Download other dependencies
apt install -y autoconf
apt install -y autoconf-archive
apt install -y cmake
apt install -y libclang-dev
apt install -y libtool
apt install -y pkgconf
# Download OpenSSL, tpm2-tss and dependencies source code
git_checkout "$OPENSSL_GIT" "$OPENSSL_VERSION"
git_checkout "$TPM2_TSS_GIT" "$TPM2_TSS_VERSION"
# Download OpenSSL source code
if [ ! -d "/tmp/openssl" ]; then
pushd /tmp
git clone https://github.com/openssl/openssl.git --branch $OPENSSL_VERSION
popd
fi
# Clean and prepare SYSROOT
prepare_sysroot
# Compile OpenSSL and TSS stack for aarch64-unknown-linux-gnu
cross-compile-openssl aarch64-linux-gnu linux-generic64
cross-compile-tpm2-tss aarch64-linux-gnu
rustup target add aarch64-unknown-linux-gnu
cargo build --features generate-bindings --target aarch64-unknown-linux-gnu
cargo build --target aarch64-unknown-linux-gnu
# Clean and prepare SYSROOT
prepare_sysroot
# Compile OpenSSL and TSS stack for armv7-unknown-linux-gnueabi
cross-compile-openssl arm-linux-gnueabi linux-generic32
cross-compile-tpm2-tss arm-linux-gnueabi
rustup target add armv7-unknown-linux-gnueabi
cargo build --features generate-bindings --target armv7-unknown-linux-gnueabi
cargo build --target armv7-unknown-linux-gnueabi
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