1
2 // Copyright 2017 Daniel James.
3 // Distributed under the Boost Software License, Version 1.0. (See accompanying
4 // file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
5
6 // Not a test, just a small program to write out configuration info
7
8 #include <boost/container_hash/hash.hpp>
9 #include <iostream>
10 #include <algorithm>
11
12 #if defined(BOOST_MSVC)
13
14 struct msvc_version {
15 unsigned version;
16 char const* description;
17
operator <(msvc_version const & v1,msvc_version const & v2)18 friend bool operator<(msvc_version const& v1, msvc_version const& v2) {
19 return v1.version < v2.version;
20 }
21 };
22
write_compiler_info()23 void write_compiler_info() {
24 // From:
25 // https://en.wikipedia.org/wiki/Microsoft_Visual_C%2B%2B
26 // https://blogs.msdn.microsoft.com/vcblog/2017/11/15/side-by-side-minor-version-msvc-toolsets-in-visual-studio-2017/
27 msvc_version versions[] = {
28 {0, "Old Visual C++"},
29 {1000, "Visual C++ 4.x, VS4.0?"},
30 {1100, "Visual C++ 5.0, VS97"},
31 {1200, "Visual C++ 6.0, VS6.0"},
32 {1300, "Visual C++ 7.0, VS.NET 2002"},
33 {1310, "Visual C++ 7.1, VS.NET 2003"},
34 {1400, "Visual C++ 8.0, VS2005"},
35 {1500, "Visual C++ 9.0, VS2008"},
36 {1600, "Visual C++ 10.0, VS2010"},
37 {1700, "Visual C++ 11.0, VS2012"},
38 {1800, "Visual C++ 12.0, VS2013"},
39 {1900, "Visual C++ 14.00, VS2015"},
40 {1910, "Visual C++ 14.10, VS2017 15.1/2"},
41 {1911, "Visual C++ 14.11, VS2017 15.3/4"},
42 {1912, "Visual C++ 14.12, VS2017 15.5"},
43 {1913, "Visual C++ 14.13, VS2017 15.6"}
44 };
45
46 msvc_version msvc = { BOOST_MSVC, "" };
47 msvc_version* v = std::upper_bound(versions,
48 versions + sizeof(versions) / sizeof(*versions),
49 msvc) - 1;
50 unsigned difference = msvc.version - v->version;
51
52 std::cout << v->description << std::endl;
53 if (difference) {
54 std::cout << "+" << difference << std::endl;
55 }
56 }
57
58 #else
59
write_compiler_info()60 void write_compiler_info() {
61 }
62
63 #endif
64
main()65 int main() {
66 write_compiler_info();
67
68 #if defined(__cplusplus)
69 std::cout << "__cplusplus: "
70 << __cplusplus
71 << std::endl;
72 #endif
73
74 std::cout << "BOOST_HASH_CXX17: "
75 << BOOST_HASH_CXX17
76 << std::endl;
77
78 std::cout << "BOOST_HASH_HAS_STRING_VIEW: "
79 << BOOST_HASH_HAS_STRING_VIEW
80 << std::endl;
81
82 std::cout << "BOOST_HASH_HAS_OPTIONAL: "
83 << BOOST_HASH_HAS_OPTIONAL
84 << std::endl;
85
86 std::cout << "BOOST_HASH_HAS_VARIANT: "
87 << BOOST_HASH_HAS_VARIANT
88 << std::endl;
89
90 #if defined(BOOST_NO_CXX11_HDR_TYPEINDEX)
91 std::cout << "No <typeindex>" << std::endl;
92 #else
93 std::cout << "<typeindex>" << std::endl;
94 #endif
95
96 #if defined(BOOST_NO_CXX11_HDR_SYSTEM_ERROR)
97 std::cout << "No <system_error>" << std::endl;
98 #else
99 std::cout << "<system_error>" << std::endl;
100 #endif
101
102 }
103