samplecode/switchless/app/build.rs

// Copyright (C) 2017-2018 Baidu, Inc. All Rights Reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
//  * Redistributions of source code must retain the above copyright
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//  * Redistributions in binary form must reproduce the above copyright
//    notice, this list of conditions and the following disclaimer in
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//    distribution.
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//    contributors may be used to endorse or promote products derived
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use std::env;

fn main () {

    let sdk_dir = env::var("SGX_SDK")
                    .unwrap_or_else(|_| "/opt/intel/sgxsdk".to_string());
    let is_sim = env::var("SGX_MODE")
                    .unwrap_or_else(|_| "HW".to_string());

    println!("cargo:rustc-link-search=native=../lib");
    println!("cargo:rustc-link-lib=static=Enclave_u");

    println!("cargo:rustc-link-search=native={}/lib64", sdk_dir);
    match is_sim.as_ref() {
        "SW" => println!("cargo:rustc-link-lib=dylib=sgx_urts_sim"),
        "HW" => println!("cargo:rustc-link-lib=dylib=sgx_urts"),
        _    => println!("cargo:rustc-link-lib=dylib=sgx_urts"), // Treat undefined as HW
    }
}