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Use Config macros for detecting C++17 headers

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This commit is contained in:
Peter Dimov
2021-10-16 16:43:11 +03:00
parent e89fe04479
commit b201ff97a8
5 changed files with 50 additions and 87 deletions
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test/hash_info.cpp
+24 -21
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@@ -37,10 +37,9 @@ void write_compiler_info() {
{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"}
{1910, "Visual C++ 14.1x, VS2017"},
{1920, "Visual C++ 14.2x, VS2019"},
{1930, "Visual C++ 14.3x, VS2022"},
};
msvc_version msvc = { BOOST_MSVC, "" };
@@ -65,38 +64,42 @@ void write_compiler_info() {
int main() {
write_compiler_info();
#if defined(__cplusplus)
std::cout << "__cplusplus: "
<< __cplusplus
<< std::endl;
std::cout << "BOOST_CXX_VERSION: "
<< BOOST_CXX_VERSION
<< std::endl;
#if defined(BOOST_NO_CXX17_HDR_STRING_VIEW)
std::cout << "No <string_view>" << std::endl;
#else
std::cout << "Has <string_view>" << std::endl;
#endif
std::cout << "BOOST_HASH_CXX17: "
<< BOOST_HASH_CXX17
<< std::endl;
#if defined(BOOST_NO_CXX17_HDR_OPTIONAL)
std::cout << "No <optional>" << std::endl;
#else
std::cout << "Has <optional>" << std::endl;
#endif
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_CXX17_HDR_VARIANT)
std::cout << "No <variant>" << std::endl;
#else
std::cout << "Has <variant>" << std::endl;
#endif
#if defined(BOOST_NO_CXX11_HDR_TYPEINDEX)
std::cout << "No <typeindex>" << std::endl;
#else
std::cout << "<typeindex>" << std::endl;
std::cout << "Has <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;
std::cout << "Has <system_error>" << std::endl;
#endif
}