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boost/locale/config.hpp

//
// Copyright (c) 2009-2011 Artyom Beilis (Tonkikh)
//
// Distributed under the Boost Software License, Version 1.0.
// https://www.boost.org/LICENSE_1_0.txt

#ifndef BOOST_LOCALE_CONFIG_HPP_INCLUDED
#define BOOST_LOCALE_CONFIG_HPP_INCLUDED

#include <boost/config.hpp>
#include <boost/config/workaround.hpp>
#ifdef __has_include
#    if __has_include(<version>)
#        include <version>
#    endif
#endif

#if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_LOCALE_DYN_LINK)
#    ifdef BOOST_LOCALE_SOURCE
#        define BOOST_LOCALE_DECL BOOST_SYMBOL_EXPORT
#    else
#        define BOOST_LOCALE_DECL BOOST_SYMBOL_IMPORT
#    endif // BOOST_LOCALE_SOURCE
#else
#    define BOOST_LOCALE_DECL
#endif // BOOST_LOCALE_DYN_LINK

//
// Automatically link to the correct build variant where possible.
//
#if !defined(BOOST_ALL_NO_LIB) && !defined(BOOST_LOCALE_NO_LIB) && !defined(BOOST_LOCALE_SOURCE)
//
// Set the name of our library, this will get undef'ed by auto_link.hpp
// once it's done with it:
//
#    define BOOST_LIB_NAME boost_locale
//
// If we're importing code from a dll, then tell auto_link.hpp about it:
//
#    if defined(BOOST_ALL_DYN_LINK) || defined(BOOST_LOCALE_DYN_LINK)
#        define BOOST_DYN_LINK
#    endif
//
// And include the header that does the work:
//
#    include <boost/config/auto_link.hpp>
#endif // auto-linking disabled

// Check for some C++11 features to provide easier checks for what is missing
// shortly after the requirement of C++11 in Boost 1.81
// clang-format off
#if defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) || \
    defined(BOOST_NO_CXX11_DEFAULTED_MOVES) ||     \
    defined(BOOST_NO_CXX11_HDR_FUNCTIONAL) ||      \
    defined(BOOST_NO_CXX11_HDR_TYPE_TRAITS) ||     \
    defined(BOOST_NO_CXX11_NOEXCEPT) ||            \
    defined(BOOST_NO_CXX11_OVERRIDE) ||            \
    defined(BOOST_NO_CXX11_RVALUE_REFERENCES) ||   \
    defined(BOOST_NO_CXX11_SMART_PTR) ||           \
    defined(BOOST_NO_CXX11_STATIC_ASSERT)
// clang-format on
#    error "Boost.Locale requires C++11 since Boost 1.81."
#endif

#ifdef _MSC_VER
// Denote a constant condition, e.g. for if(sizeof(...
#    define BOOST_LOCALE_START_CONST_CONDITION __pragma(warning(push)) __pragma(warning(disable : 4127))
#    define BOOST_LOCALE_END_CONST_CONDITION __pragma(warning(pop))
#else
#    define BOOST_LOCALE_START_CONST_CONDITION
#    define BOOST_LOCALE_END_CONST_CONDITION
#endif

/// \cond INTERNAL
#if defined(BOOST_WINDOWS) || defined(__CYGWIN__)
// Internal define to check if we have access to the Win32 API
#    define BOOST_LOCALE_USE_WIN32_API 1
#else
#    define BOOST_LOCALE_USE_WIN32_API 0
#endif

// To be used to suppress false positives of UBSAN
#if defined(__clang__) && defined(__has_attribute)
#    if __has_attribute(no_sanitize)
#        define BOOST_LOCALE_NO_SANITIZE(what) __attribute__((no_sanitize(what)))
#    endif
#endif
#if !defined(BOOST_LOCALE_NO_SANITIZE)
#    define BOOST_LOCALE_NO_SANITIZE(what)
#endif

#if !defined(__cpp_lib_char8_t) || BOOST_WORKAROUND(BOOST_CLANG_VERSION, < 150000)
// No std::basic_string<char8_t> or bug in Clang: https://github.com/llvm/llvm-project/issues/55560
#    define BOOST_LOCALE_NO_CXX20_STRING8
#endif

/// \endcond

#endif // boost/locale/config.hpp