container_hash/test/hash_info.cpp
2018-03-07 10:11:46 +00:00

103 lines
2.7 KiB
C++

// Copyright 2017 Daniel James.
// 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)
// Not a test, just a small program to write out configuration info
#include <boost/container_hash/hash.hpp>
#include <iostream>
#include <algorithm>
#if defined(BOOST_MSVC)
struct msvc_version {
unsigned version;
char const* description;
friend bool operator<(msvc_version const& v1, msvc_version const& v2) {
return v1.version < v2.version;
}
};
void write_compiler_info() {
// From:
// https://en.wikipedia.org/wiki/Microsoft_Visual_C%2B%2B
// https://blogs.msdn.microsoft.com/vcblog/2017/11/15/side-by-side-minor-version-msvc-toolsets-in-visual-studio-2017/
msvc_version versions[] = {
{0, "Old Visual C++"},
{1000, "Visual C++ 4.x, VS4.0?"},
{1100, "Visual C++ 5.0, VS97"},
{1200, "Visual C++ 6.0, VS6.0"},
{1300, "Visual C++ 7.0, VS.NET 2002"},
{1310, "Visual C++ 7.1, VS.NET 2003"},
{1400, "Visual C++ 8.0, VS2005"},
{1500, "Visual C++ 9.0, VS2008"},
{1600, "Visual C++ 10.0, VS2010"},
{1700, "Visual C++ 11.0, VS2012"},
{1800, "Visual C++ 12.0, VS2013"},
{1900, "Visual C++ 14.00, VS2015"},
{1910, "Visual C++ 14.10, VS2017 15.1/2"},
{1911, "Visual C++ 14.11, VS2017 15.3/4"},
{1912, "Visual C++ 14.12, VS2017 15.5"},
{1913, "Visual C++ 14.13, VS2017 15.6"}
};
msvc_version msvc = { BOOST_MSVC, "" };
msvc_version* v = std::upper_bound(versions,
versions + sizeof(versions) / sizeof(*versions),
msvc) - 1;
unsigned difference = msvc.version - v->version;
std::cout << v->description << std::endl;
if (difference) {
std::cout << "+" << difference << std::endl;
}
}
#else
void write_compiler_info() {
}
#endif
int main() {
write_compiler_info();
#if defined(__cplusplus)
std::cout << "__cplusplus: "
<< __cplusplus
<< std::endl;
#endif
std::cout << "BOOST_HASH_CXX17: "
<< BOOST_HASH_CXX17
<< std::endl;
std::cout << "BOOST_HASH_HAS_STRING_VIEW: "
<< BOOST_HASH_HAS_STRING_VIEW
<< std::endl;
std::cout << "BOOST_HASH_HAS_OPTIONAL: "
<< BOOST_HASH_HAS_OPTIONAL
<< std::endl;
std::cout << "BOOST_HASH_HAS_VARIANT: "
<< BOOST_HASH_HAS_VARIANT
<< std::endl;
#if defined(BOOST_NO_CXX11_HDR_TYPEINDEX)
std::cout << "No <typeindex>" << std::endl;
#else
std::cout << "<typeindex>" << std::endl;
#endif
#if defined(BOOST_NO_CXX11_HDR_SYSTEM_ERROR)
std::cout << "No <system_error>" << std::endl;
#else
std::cout << "<system_error>" << std::endl;
#endif
}