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The Teaclave's build system utilizes CMake to coordinate compilation, linking, signing, etc. for various components written in different languages (e.g., Rust, C, Python) for different targets (e.g., Linux and SGX). In this document, we will introduce our build system in details.

Quick Start

1. Download and install CMake, the minimum required version is 3.10.
2. Open a shell and create a build directory.

$ mkdir build && cd build

3. Run the following command to configure with TEST_MODE on.

$ cmake -DTEST_MODE=ON ..

4. Build the whole platform.

$ make

When making changes, run:

• make format: Format current source code.
• make run-tests: Make sure all tests are passed.

You can find more detailed configurations and targets in the following sections.

Variables and Options

There are a lot of variables and options you can configure to control the build system.

To set a variable or option, you can pass -DXXX= to cmake. For example, cmake -DTEST_MODE=ON .. to enable the TEST_MODE option.

Variables

• SGX_SDK: Set (or get from env vars) the path of Intel SGX SDK. Defaults to /opt/sgxsdk.
• RUSTFLAGS: Set (or get from env vars) flags passed to rustc.
• MESAPY_VERSION: Set the commit hash to the upstream MesaPy version.
• RUSTUP_TOOLCHAIN: Set the Rust toolchain version.
• CMAKE_BUILD_TYPE: Set the build type. Defaults to debug.

Options

• COV: Build with coverage information. Defaults to OFF.
• OFFLINE: Compile Rust code with cargo --offline. Defaults to ON.
• TEST_MODE: Build with mock data and disabling some functions for testing. Defaults to OFF.
• SGX_SIM_MODE: Build in SGX simulation mode. Defaults to OFF.
• DCAP: Use DCAP instead of IAS as the attestation service. Defaults to OFF.
• GIT_SUBMODULE: Sync submodules with the upstream repositories. Defaults to ON.
• CLP: Enable cargo clippy to lint Rust code during the compilation. Defaults to OFF.
• DOC: Generate document with cargo doc during the compilation. Defaults to OFF.
• USE_PREBUILT_MESAPY: Whether to use the prebuilt MesaPy for SGX library. If set to OFF, will build the library from the source code. Defaults to ON.
• EXECUTOR_BUILTIN: Compile with the Builtin executor. Defaults to ON.
• EXECUTOR_MESAPY: Compile with the MesaPy executor. Defaults to ON.
• EXECUTOR_WAMR: Compile with the WebAssembly Micro Runtime executor. Defaults to ON.

Targets

The followings are supported targets you can call with make. For example, to build a specific service like execution service, you can just run make teaclave_execution_service.

App/Enclave

An SGX application has two parts: the app part and the enclave part. You can compile them separately or together using with these targets:

• sgxapp-teaclave_{service_name}: Build the app part of a service.
• sgxlib-teaclave_{service_name}: Build the enclave part of a service.
• teaclave_{service_name}: Build (compile, link and sign, etc.) the app and enclave of a service.
• sgxapp-teaclave_{test_name}: Build the app part of a test driver.
• sgxlib-teaclave_{test_name}: Build the enclave part of a test driver.
• teaclave_{test_name}: Build (compile, link, and sign, etc.) the app and enclave of a test driver.

These targets are automatically generated from the cmake/tomls/Cargo.sgx_{}.toml files. Basically, they are:

• test_name can be: function_tests, unit_tests, integration_tests, etc.
• service_name can be: access_control_service, authentication_service, storage_service, execution_service, frontend_service, management_service, scheduler_service, etc.

Client SDK

Build Teaclave client SDK and install the compiled dynamic/static libraries to the release folder.

• teaclave_client_sdk: Build the client SDK to both dynamic and static libraries.

Bin

• teaclave_cli: Build the Teclave command line tool.
• teaclave_dcap_ref_as: Build the reference implementation of DCAP's attestation service.
• teaclave_sgx_tool: Build the SGX tool.

Above targets are automatically generated from the cmake/tomls/Cargo.unix_app.toml files.

Linting

• format: Format all code.
• clippy: Run cargo clippy for linting. Same with make CLP=1.

Doc

• doc: Run cargo doc to generate documents. Same with make DOC=1.

Tests

• run-tests: Run all test cases.
• run-integration-tests: Run integration tests only.
• run-funtional-tests: Run functional tests only.
• run-sdk-tests: Run tests of client SDK only.
• run-examples: Run all examples.
• cov: Aggregate coverage results and generate report, needs to config cmake with -DCOV=ON.

Misc

• clean: Cleanup all building intermediates.

Codebase

You can find source code to learn more about our build system in the CMakeLists.txt file and the cmake directories.