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Purpose of Cxx11SGXDemo
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The project demonstrates serveral C++11 features inside the Enclave:
- lambda expressions;
- rvalue references and move semantics;
- automatic type deduction with auto and decltype;
- nullptr type;
- strongly typed enum classes;
- Range-based for statements;
- static_assert keyword for compile-time assertion;
- initializer lists and uniform initialization syntax;
- New virtual function controls: override, final, default, and delete;
- delegating constructors;
- new container classes (unordered_set, unordered_map, unordered_multiset, and unordered_multimap);
- tuple class;
- function object wrapper;
- atomic, mutexes, condition_variables;
- new smart pointer classes: shared_ptr, unique_ptr;
- new c++ algorithms: all_of, any_of, none_of;
- variadic templates;
- SFINAE;

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How to Build/Execute the C++11 sample program
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1. Install Intel(R) Software Guard Extensions (Intel(R) SGX) SDK for Linux* OS
2. Make sure your environment is set:
    $ source ${sgx-sdk-install-path}/environment
3. Build the project with the prepared Makefile:
    a. Hardware Mode, Debug build:
        $ make
    b. Hardware Mode, Pre-release build:
        $ make SGX_PRERELEASE=1 SGX_DEBUG=0
    c. Hardware Mode, Release build:
        $ make SGX_DEBUG=0
    d. Simulation Mode, Debug build:
        $ make SGX_MODE=SIM
    e. Simulation Mode, Pre-release build:
        $ make SGX_MODE=SIM SGX_PRERELEASE=1 SGX_DEBUG=0
    f. Simulation Mode, Release build:
        $ make SGX_MODE=SIM SGX_DEBUG=0
4. Execute the binary directly:
    $ ./app
5. Remember to "make clean" before switching build mode