127 lines
3.3 KiB
C++
127 lines
3.3 KiB
C++
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// Copyright 2017 Daniel James.
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// Distributed under the Boost Software License, Version 1.0. (See accompanying
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// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
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// Not a test, just a small program to write out configuration info
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#include <boost/container_hash/hash.hpp>
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#include <iostream>
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#include <algorithm>
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#include <limits>
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#include <climits>
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#if defined(BOOST_MSVC)
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struct msvc_version {
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unsigned version;
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char const* description;
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friend bool operator<(msvc_version const& v1, msvc_version const& v2) {
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return v1.version < v2.version;
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}
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};
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void write_compiler_info() {
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// From:
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// https://en.wikipedia.org/wiki/Microsoft_Visual_C%2B%2B
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// https://blogs.msdn.microsoft.com/vcblog/2017/11/15/side-by-side-minor-version-msvc-toolsets-in-visual-studio-2017/
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msvc_version versions[] = {
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{0, "Old Visual C++"},
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{1000, "Visual C++ 4.x, VS4.0?"},
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{1100, "Visual C++ 5.0, VS97"},
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{1200, "Visual C++ 6.0, VS6.0"},
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{1300, "Visual C++ 7.0, VS.NET 2002"},
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{1310, "Visual C++ 7.1, VS.NET 2003"},
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{1400, "Visual C++ 8.0, VS2005"},
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{1500, "Visual C++ 9.0, VS2008"},
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{1600, "Visual C++ 10.0, VS2010"},
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{1700, "Visual C++ 11.0, VS2012"},
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{1800, "Visual C++ 12.0, VS2013"},
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{1900, "Visual C++ 14.00, VS2015"},
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{1910, "Visual C++ 14.1x, VS2017"},
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{1920, "Visual C++ 14.2x, VS2019"},
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{1930, "Visual C++ 14.3x, VS2022"},
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};
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msvc_version msvc = { BOOST_MSVC, "" };
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msvc_version* v = std::upper_bound(versions,
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versions + sizeof(versions) / sizeof(*versions),
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msvc) - 1;
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unsigned difference = msvc.version - v->version;
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std::cout << v->description;
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if (difference) {
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std::cout << " +" << difference;
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}
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std::cout << std::endl;
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}
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#else
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void write_compiler_info() {
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}
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#endif
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#define PRINT(x) std::cout << #x ": " << x << std::endl
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int main() {
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write_compiler_info();
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std::cout << std::endl;
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PRINT(__cplusplus);
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PRINT(BOOST_CXX_VERSION);
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std::cout << std::endl;
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#if defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
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std::cout << "No <string_view>" << std::endl;
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#else
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std::cout << "Has <string_view>" << std::endl;
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#endif
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#if defined(BOOST_NO_CXX17_HDR_OPTIONAL)
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std::cout << "No <optional>" << std::endl;
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#else
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std::cout << "Has <optional>" << std::endl;
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#endif
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#if defined(BOOST_NO_CXX17_HDR_VARIANT)
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std::cout << "No <variant>" << std::endl;
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#else
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std::cout << "Has <variant>" << std::endl;
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#endif
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#if defined(BOOST_NO_CXX11_HDR_TYPEINDEX)
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std::cout << "No <typeindex>" << std::endl;
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#else
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std::cout << "Has <typeindex>" << std::endl;
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#endif
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#if defined(BOOST_NO_CXX11_HDR_SYSTEM_ERROR)
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std::cout << "No <system_error>" << std::endl;
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#else
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std::cout << "Has <system_error>" << std::endl;
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#endif
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std::cout << std::endl;
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PRINT(CHAR_BIT);
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std::cout << std::endl;
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PRINT(sizeof(std::size_t)*CHAR_BIT);
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PRINT(std::numeric_limits<std::size_t>::digits);
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std::cout << std::endl;
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PRINT(sizeof(float)*CHAR_BIT);
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PRINT(std::numeric_limits<float>::digits);
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std::cout << std::endl;
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PRINT(sizeof(double)*CHAR_BIT);
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PRINT(std::numeric_limits<double>::digits);
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std::cout << std::endl;
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PRINT(sizeof(long double)*CHAR_BIT);
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PRINT(std::numeric_limits<long double>::digits);
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}
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