Compile Errors Xcode 10.2

[technomorph]

It took me a while to try to figure out how to CheckOut with Submodules. Most times I've just downloaded the zip. Most documentation regarding SubModules was pretty bad. But I think I finally have it.

When trying to Build VVOSCQueryProtocol only get the following build errors:
MINOR ERRORS:

• multiple errors
  /VVOSCQueryProtocol/external_projects/websocketpp/websocketpp/frame.hpp:834:13:
  Implicit conversion loses integer precision: 'size_t' (aka 'unsigned long') to 'uint32_t' (aka 'unsigned int')
  /VVOSCQueryProtocol/external_projects/asio/asio/include/asio/detail/impl/socket_ops.ipp:3458:65:
  Implicit conversion loses integer precision: 'std::size_t' (aka 'unsigned long') to 'socklen_t' (aka 'unsigned int')

MAJOR FAIL ERRORS:
USER DEFINED ISSUE:
/Applications/Xcode.app/Contents/Developer/Toolchains/XcodeDefault.xctoolchain/usr/include/c++/v1/experimental/string_view:11:2:
"<experimental/string_view> has been removed. Use <string_view> instead."

The above seems to be the biggest issue.

I'm going to separate comment for further issues

[technomorph]

SEMANTIC ISSUES: (all seem to relate to above)

/VVOSCQueryProtocol/external_projects/asio/asio/include/asio/detail/string_view.hpp:36:12: No member named 'experimental' in namespace 'std'

in the string_view.hpp files contains:
`//
// detail/string_view.hpp
// ~~~~~~~~~~~~~~~~~~~~~~
//
// Copyright (c) 2003-2018 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
//

#ifndef ASIO_DETAIL_STRING_VIEW_HPP
#define ASIO_DETAIL_STRING_VIEW_HPP

#if defined(_MSC_VER) && (_MSC_VER >= 1200)

pragma once

#endif // defined(_MSC_VER) && (_MSC_VER >= 1200)

#include "asio/detail/config.hpp"

#if defined(ASIO_HAS_STRING_VIEW)

#if defined(ASIO_HAS_STD_STRING_VIEW)

include <string_view>

#elif defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)

include <experimental/string_view>

#else // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)

error ASIO_HAS_STRING_VIEW is set but no string_view is available

#endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)

namespace asio {

#if defined(ASIO_HAS_STD_STRING_VIEW)
using std::basic_string_view;
using std::string_view;
#elif defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)
using std::experimental::basic_string_view;
using std::experimental::string_view;
#endif // defined(ASIO_HAS_STD_EXPERIMENTAL_STRING_VIEW)

} // namespace asio

define ASIO_STRING_VIEW_PARAM asio::string_view

#else // defined(ASIO_HAS_STRING_VIEW)

define ASIO_STRING_VIEW_PARAM const std::string&

#endif // defined(ASIO_HAS_STRING_VIEW)

#endif // ASIO_DETAIL_STRING_VIEW_HPP`

[technomorph]

SEMANTIC ISSUE:

/VVOSCQueryProtocol/external_projects/asio/asio/include/asio/ip/basic_resolver_entry.hpp:53:36: No type named 'string_view' in namespace 'asio'; did you mean simply 'string_view'?

trimmed from : ip/basic_resolver_entry.hpp
/// Construct with specified endpoint, host name and service name. basic_resolver_entry(const endpoint_type& ep, ASIO_STRING_VIEW_PARAM host, ASIO_STRING_VIEW_PARAM service) : endpoint_(ep), host_name_(static_cast<std::string>(host)), service_name_(static_cast<std::string>(service)) { }

[technomorph]

Seems like I was able to try a different CLONE and open it in Xcode 8 and get it to compile.
Hopefully I can just include the Framework and open the test Apps.
I will keep you posted.