// Copyright (c) 1997-2013 // Utrecht University (The Netherlands), // ETH Zurich (Switzerland), // INRIA Sophia-Antipolis (France), // Max-Planck-Institute Saarbruecken (Germany), // and Tel-Aviv University (Israel). All rights reserved. // // This file is part of CGAL (www.cgal.org) // // $URL: https://github.com/CGAL/cgal/blob/v5.1/Installation/include/CGAL/config.h $ // $Id: config.h 022b1a7 2020-07-21T15:27:49+02:00 Laurent Rineau // SPDX-License-Identifier: LGPL-3.0-or-later OR LicenseRef-Commercial // // // // Author(s) : Wieger Wesselink // Michael Hoffmann // Sylvain Pion // Laurent Rineau #ifndef CGAL_CONFIG_H #define CGAL_CONFIG_H // CGAL is header-only by default since CGAL-5.0. #if !defined(CGAL_HEADER_ONLY) && ! CGAL_NOT_HEADER_ONLY # define CGAL_HEADER_ONLY 1 #endif #ifdef CGAL_HEADER_ONLY # define CGAL_NO_AUTOLINK 1 #endif // Workaround for a bug in Boost, that checks WIN64 instead of _WIN64 // https://svn.boost.org/trac/boost/ticket/5519 #if defined(_WIN64) && ! defined(WIN64) # define WIN64 #endif #ifdef _MSC_VER #define _SILENCE_CXX17_ALLOCATOR_VOID_DEPRECATION_WARNING 1 #define _SILENCE_CXX17_OLD_ALLOCATOR_MEMBERS_DEPRECATION_WARNING 1 #endif #ifdef CGAL_INCLUDE_WINDOWS_DOT_H // Mimic users including this file which defines min max macros // and other names leading to name clashes #include #endif #if defined(CGAL_TEST_SUITE) && defined(NDEBUG) # error The test-suite needs no NDEBUG defined #endif // CGAL_TEST_SUITE and NDEBUG // See [[Small features/Visual_Leak_Detector]] in CGAL developers wiki // See also: http://vld.codeplex.com/ #if defined(CGAL_ENABLE_VLD) # include #endif // CGAL_ENABLE_VLD // Workaround to the following bug: // https://bugreports.qt-project.org/browse/QTBUG-22829 #ifdef Q_MOC_RUN // When Qt moc runs on CGAL files, do not process // # define BOOST_TT_HAS_OPERATOR_HPP_INCLUDED # define BOOST_TT_HAS_BIT_AND_HPP_INCLUDED # define BOOST_TT_HAS_BIT_AND_ASSIGN_HPP_INCLUDED # define BOOST_TT_HAS_BIT_OR_HPP_INCLUDED # define BOOST_TT_HAS_BIT_OR_ASSIGN_HPP_INCLUDED # define BOOST_TT_HAS_BIT_XOR_HPP_INCLUDED # define BOOST_TT_HAS_BIT_XOR_ASSIGN_HPP_INCLUDED # define BOOST_TT_HAS_DIVIDES_HPP_INCLUDED # define BOOST_TT_HAS_DIVIDES_ASSIGN_HPP_INCLUDED # define BOOST_TT_HAS_EQUAL_TO_HPP_INCLUDED # define BOOST_TT_HAS_GREATER_HPP_INCLUDED # define BOOST_TT_HAS_GREATER_EQUAL_HPP_INCLUDED # define BOOST_TT_HAS_LEFT_SHIFT_HPP_INCLUDED # define BOOST_TT_HAS_LEFT_SHIFT_ASSIGN_HPP_INCLUDED # define BOOST_TT_HAS_LESS_HPP_INCLUDED # define BOOST_TT_HAS_LESS_EQUAL_HPP_INCLUDED # define BOOST_TT_HAS_LOGICAL_AND_HPP_INCLUDED # define BOOST_TT_HAS_LOGICAL_OR_HPP_INCLUDED # define BOOST_TT_HAS_MINUS_HPP_INCLUDED # define BOOST_TT_HAS_MINUS_ASSIGN_HPP_INCLUDED # define BOOST_TT_HAS_MODULUS_HPP_INCLUDED # define BOOST_TT_HAS_MODULUS_ASSIGN_HPP_INCLUDED # define BOOST_TT_HAS_MULTIPLIES_HPP_INCLUDED # define BOOST_TT_HAS_MULTIPLIES_ASSIGN_HPP_INCLUDED # define BOOST_TT_HAS_NOT_EQUAL_TO_HPP_INCLUDED # define BOOST_TT_HAS_PLUS_HPP_INCLUDED # define BOOST_TT_HAS_PLUS_ASSIGN_HPP_INCLUDED # define BOOST_TT_HAS_RIGHT_SHIFT_HPP_INCLUDED # define BOOST_TT_HAS_RIGHT_SHIFT_ASSIGN_HPP_INCLUDED // do not include either // it includes # define BOOST_RANDOM_HPP // fails as well # define BOOST_TT_HAS_COMPLEMENT_HPP_INCLUDED # define BOOST_TT_HAS_DEREFERENCE_HPP_INCLUDED # define BOOST_TT_HAS_LOGICAL_NOT_HPP_INCLUDED # define BOOST_TT_HAS_NEGATE_HPP_INCLUDED # define BOOST_TT_HAS_PRE_DECREMENT_HPP_INCLUDED # define BOOST_TT_HAS_PRE_INCREMENT_HPP_INCLUDED # define BOOST_TT_HAS_UNARY_MINUS_HPP_INCLUDED # define BOOST_TT_HAS_UNARY_PLUS_HPP_INCLUDED // fails as well # define BOOST_TT_HAS_POST_DECREMENT_HPP_INCLUDED # define BOOST_TT_HAS_POST_INCREMENT_HPP_INCLUDED //work around for moc bug : https://bugreports.qt.io/browse/QTBUG-80990 #if defined(CGAL_LINKED_WITH_TBB) #undef CGAL_LINKED_WITH_TBB #endif #endif // Macro used by Boost Parameter. Mesh_3 needs at least 12, before the // Boost Parameter headers are included: // defines the value to 8, if it is not yet defined. // The CGAL BGL properties mechanism includes // , that includes // , and maybe other Boost libraries may use // Boost Parameter as well. // That is why that is important to define that macro as early as possible, // in #define BOOST_PARAMETER_MAX_ARITY 12 // The following header file defines among other things BOOST_PREVENT_MACRO_SUBSTITUTION #include #include // bug-fix for g++-5.x and Boost.Config<1.57 // https://svn.boost.org/trac/boost/ticket/10500 #if BOOST_VERSION < 105700 && BOOST_GCC < 60000 && \ ! defined(__GXX_EXPERIMENTAL_CXX0X__) && defined(BOOST_HAS_VARIADIC_TMPL) # undef BOOST_HAS_VARIADIC_TMPL # define BOOST_NO_CXX11_VARIADIC_TEMPLATES #endif // workaround for the bug https://svn.boost.org/trac10/ticket/12534 // That bug was introduced in Boost 1.62 and fixed in 1.63. #if BOOST_VERSION >= 106200 && BOOST_VERSION < 106300 # include #endif // Hack: Boost<1.55 does not detect correctly the C++11 features of ICC. // We declare by hand two features that we need (variadic templates and // rvalue references). #if defined(__INTEL_COMPILER) && defined(__GXX_EXPERIMENTAL_CXX0X__) # undef BOOST_NO_VARIADIC_TEMPLATES # undef BOOST_NO_CXX11_VARIADIC_TEMPLATES # undef BOOST_NO_RVALUE_REFERENCES # undef BOOST_NO_CXX11_RVALUE_REFERENCES #endif #include //----------------------------------------------------------------------// // platform specific workaround flags (CGAL_CFG_...) //----------------------------------------------------------------------// #if CGAL_HEADER_ONLY # include # if(BOOST_MSVC) # include # endif #else # include #endif #if BOOST_MSVC && CGAL_TEST_SUITE # include #endif //----------------------------------------------------------------------// // Support for DLL on Windows (CGAL_EXPORT macro) //----------------------------------------------------------------------// #include //----------------------------------------------------------------------// // Use an implementation of fabs with sse2 on Windows //----------------------------------------------------------------------// #if (_M_IX86_FP >= 2) || defined(_M_X64) #define CGAL_USE_SSE2_FABS #endif //----------------------------------------------------------------------// // Detect features at compile-time. Some macros have only been // introduced as of Boost 1.40. In that case, we simply say that the // feature is not available, even if that is wrong. // ----------------------------------------------------------------------// #if defined(BOOST_NO_CXX11_RANGE_BASED_FOR) || BOOST_VERSION < 105000 #define CGAL_CFG_NO_CPP0X_RANGE_BASED_FOR 1 #endif #if defined(BOOST_NO_0X_HDR_ARRAY) || \ defined(BOOST_NO_CXX11_HDR_ARRAY) || BOOST_VERSION < 104000 #define CGAL_CFG_NO_CPP0X_ARRAY 1 #endif #if defined(BOOST_NO_0X_HDR_UNORDERED_SET) || \ defined(BOOST_NO_0X_HDR_UNORDERED_MAP) || \ defined(BOOST_NO_CXX11_HDR_UNORDERED_SET) || \ defined(BOOST_NO_CXX11_HDR_UNORDERED_MAP) || \ (defined(_MSC_VER) && (_MSC_VER == 1800)) // std::unordered_set is very bad in MSVC2013 #define CGAL_CFG_NO_CPP0X_UNORDERED 1 #endif #if defined( BOOST_NO_0X_HDR_THREAD) || \ defined( BOOST_NO_CXX11_HDR_THREAD) #define CGAL_CFG_NO_STD_THREAD 1 #endif #if defined(BOOST_NO_DECLTYPE) || \ defined(BOOST_NO_CXX11_DECLTYPE) || (BOOST_VERSION < 103600) #define CGAL_CFG_NO_CPP0X_DECLTYPE 1 #endif #if defined(BOOST_NO_DELETED_FUNCTIONS) || \ defined(BOOST_NO_DEFAULTED_FUNCTIONS) || \ defined(BOOST_NO_CXX11_DELETED_FUNCTIONS) || \ defined(BOOST_NO_CXX11_DEFAULTED_FUNCTIONS) || (BOOST_VERSION < 103600) || \ (defined(_MSC_VER) && _MSC_VER < 1900) // MSVC 2013 has only partial support #define CGAL_CFG_NO_CPP0X_DELETED_AND_DEFAULT_FUNCTIONS 1 #endif #if defined(BOOST_NO_FUNCTION_TEMPLATE_DEFAULT_ARGS) || \ defined(BOOST_NO_CXX11_FUNCTION_TEMPLATE_DEFAULT_ARGS) || \ (BOOST_VERSION < 104100) #define CGAL_CFG_NO_CPP0X_DEFAULT_TEMPLATE_ARGUMENTS_FOR_FUNCTION_TEMPLATES 1 #endif #if defined(BOOST_NO_INITIALIZER_LISTS) || \ defined(BOOST_NO_CXX11_HDR_INITIALIZER_LIST) || (BOOST_VERSION < 103900) #define CGAL_CFG_NO_CPP0X_INITIALIZER_LISTS 1 #endif #if defined(BOOST_MSVC) #define CGAL_CFG_NO_CPP0X_ISFINITE 1 // used in #endif #if defined(BOOST_NO_LONG_LONG) || (BOOST_VERSION < 103600) #define CGAL_CFG_NO_CPP0X_LONG_LONG 1 #endif #if defined(BOOST_NO_LAMBDAS) || \ defined(BOOST_NO_CXX11_LAMBDAS) || BOOST_VERSION < 104000 #define CGAL_CFG_NO_CPP0X_LAMBDAS 1 #endif #if defined(BOOST_NO_RVALUE_REFERENCES) || \ defined(BOOST_NO_CXX11_RVALUE_REFERENCES) || (BOOST_VERSION < 103600) #define CGAL_CFG_NO_CPP0X_RVALUE_REFERENCE 1 #endif #if defined(BOOST_NO_STATIC_ASSERT) || \ defined(BOOST_NO_CXX11_STATIC_ASSERT) || (BOOST_VERSION < 103600) #define CGAL_CFG_NO_CPP0X_STATIC_ASSERT 1 #endif #if defined(BOOST_NO_0X_HDR_TUPLE) || \ defined(BOOST_NO_CXX11_HDR_TUPLE) || (BOOST_VERSION < 104000) #define CGAL_CFG_NO_CPP0X_TUPLE 1 #endif #if defined(BOOST_NO_VARIADIC_TEMPLATES) || \ defined(BOOST_NO_CXX11_VARIADIC_TEMPLATES) || (BOOST_VERSION < 103600) #define CGAL_CFG_NO_CPP0X_VARIADIC_TEMPLATES 1 #endif // never use TR1 #define CGAL_CFG_NO_TR1_ARRAY 1 // never use TR1 #define CGAL_CFG_NO_TR1_TUPLE 1 #if !defined(__GNUC__) || defined(__INTEL_COMPILER) #define CGAL_CFG_NO_STATEMENT_EXPRESSIONS 1 #endif #if defined(BOOST_NO_CXX11_UNIFIED_INITIALIZATION_SYNTAX) || (BOOST_VERSION < 105100) || _MSC_VER==1800 #define CGAL_CFG_NO_CPP0X_UNIFIED_INITIALIZATION_SYNTAX #endif #if __cplusplus < 201103L && !(_MSC_VER >= 1600) #define CGAL_CFG_NO_CPP0X_COPY_N 1 #define CGAL_CFG_NO_CPP0X_NEXT_PREV 1 #endif #if defined(BOOST_NO_EXPLICIT_CONVERSION_OPERATIONS) \ || defined(BOOST_NO_EXPLICIT_CONVERSION_OPERATORS) \ || defined(BOOST_NO_CXX11_EXPLICIT_CONVERSION_OPERATORS) \ || (BOOST_VERSION < 103600) #define CGAL_CFG_NO_CPP0X_EXPLICIT_CONVERSION_OPERATORS 1 #endif #if defined(BOOST_NO_CXX11_TEMPLATE_ALIASES) || \ defined(BOOST_NO_TEMPLATE_ALIASES) || (BOOST_VERSION < 103900) #define CGAL_CFG_NO_CPP0X_TEMPLATE_ALIASES 1 #endif // Some random list to let us write C++11 without thinking about // each feature we are using. #if ( __cplusplus >= 201103L || _MSVC_LANG >= 201103L ) && \ !defined CGAL_CFG_NO_CPP0X_VARIADIC_TEMPLATES && \ !defined CGAL_CFG_NO_CPP0X_RVALUE_REFERENCE && \ !defined CGAL_CFG_NO_CPP0X_EXPLICIT_CONVERSION_OPERATORS && \ !defined CGAL_CFG_NO_CPP0X_TUPLE && \ !defined CGAL_CFG_NO_CPP0X_UNIFIED_INITIALIZATION_SYNTAX && \ !defined CGAL_CFG_NO_CPP0X_STATIC_ASSERT && \ !defined CGAL_CFG_NO_CPP0X_DECLTYPE && \ !defined CGAL_CFG_NO_CPP0X_DELETED_AND_DEFAULT_FUNCTIONS && \ !defined CGAL_CFG_NO_CPP0X_DEFAULT_TEMPLATE_ARGUMENTS_FOR_FUNCTION_TEMPLATES #define CGAL_CXX11 1 #endif // Same for C++14. #if __cplusplus >= 201402L || _MSVC_LANG >= 201402L # define CGAL_CXX14 1 #endif // Same for C++17 #if __cplusplus >= 201703L || _MSVC_LANG >= 201703L # define CGAL_CXX17 1 #endif #if defined(BOOST_NO_CXX11_HDR_FUNCTIONAL) || BOOST_VERSION < 105000 #define CGAL_CFG_NO_STD_HASH 1 #define CGAL_CFG_NO_STD_FUNCTION 1 #endif //----------------------------------------------------------------------// // As std::unary_function and std::binary_function are deprecated // we use internally equivalent class templates from // . //----------------------------------------------------------------------// #include //----------------------------------------------------------------------// // auto-link the CGAL library on platforms that support it //----------------------------------------------------------------------// #include //----------------------------------------------------------------------// // do some post processing for the flags //----------------------------------------------------------------------// #ifdef CGAL_CFG_NO_STL # error "This compiler does not have a working STL" #endif // This macro computes the version number from an x.y.z release number. // It only works for public releases. #define CGAL_VERSION_NUMBER(x,y,z) (1000001 + 10000*x + 100*y + 10*z) * 1000 #ifndef CGAL_NO_DEPRECATED_CODE #define CGAL_BEGIN_NAMESPACE namespace CGAL { #define CGAL_END_NAMESPACE } #endif #ifndef CGAL_CFG_NO_CPP0X_LONG_LONG # define CGAL_USE_LONG_LONG #endif #ifndef CGAL_CFG_TYPENAME_BEFORE_DEFAULT_ARGUMENT_BUG # define CGAL_TYPENAME_DEFAULT_ARG typename #else # define CGAL_TYPENAME_DEFAULT_ARG #endif #ifdef CGAL_CFG_NO_CPP0X_DELETED_AND_DEFAULT_FUNCTIONS # define CGAL_DELETED # define CGAL_EXPLICITLY_DEFAULTED #else # define CGAL_DELETED = delete # define CGAL_EXPLICITLY_DEFAULTED = default #endif // Big endian or little endian machine. // ==================================== #if (BOOST_VERSION >= 105500) # include # if BOOST_ENDIAN_BIG_BYTE # define CGAL_BIG_ENDIAN # elif BOOST_ENDIAN_LITTLE_BYTE # define CGAL_LITTLE_ENDIAN # endif #elif defined (__GLIBC__) # include # if (__BYTE_ORDER == __LITTLE_ENDIAN) # define CGAL_LITTLE_ENDIAN # elif (__BYTE_ORDER == __BIG_ENDIAN) # define CGAL_BIG_ENDIAN # endif #elif defined(__sparc) || defined(__sparc__) \ || defined(_POWER) || defined(__powerpc__) \ || defined(__ppc__) || defined(__hppa) \ || defined(_MIPSEB) || defined(_POWER) \ || defined(__s390__) # define CGAL_BIG_ENDIAN #elif defined(__i386__) || defined(__alpha__) \ || defined(__x86_64) || defined(__x86_64__) \ || defined(__ia64) || defined(__ia64__) \ || defined(_M_IX86) || defined(_M_IA64) \ || defined(_M_ALPHA) || defined(_WIN64) # define CGAL_LITTLE_ENDIAN #endif #if ! defined(CGAL_LITTLE_ENDIAN) && ! defined(CGAL_BIG_ENDIAN) # ifdef CGAL_DEFAULT_IS_LITTLE_ENDIAN # if CGAL_DEFAULT_IS_LITTLE_ENDIAN # define CGAL_LITTLE_ENDIAN # else # define CGAL_BIG_ENDIAN # endif # else # error Unknown endianness: Define CGAL_DEFAULT_IS_LITTLE_ENDIAN to 1 for little endian and to 0 for big endian. # endif #endif // Symbolic constants to tailor inlining. Inlining Policy. // ======================================================= #ifndef CGAL_MEDIUM_INLINE # define CGAL_MEDIUM_INLINE inline #endif #ifndef CGAL_LARGE_INLINE # define CGAL_LARGE_INLINE #endif #ifndef CGAL_HUGE_INLINE # define CGAL_HUGE_INLINE #endif //----------------------------------------------------------------------// // SunPRO specific. //----------------------------------------------------------------------// #ifdef __SUNPRO_CC # include # ifdef _RWSTD_NO_CLASS_PARTIAL_SPEC # error "CGAL does not support SunPRO with the old Rogue Wave STL: use STLPort." # endif #endif #ifdef __SUNPRO_CC // SunPRO 5.9 emits warnings "The variable tag has not yet been assigned a value" // even for empty "tag" variables. No way to write a config/testfile for this. # define CGAL_SUNPRO_INITIALIZE(C) C #else # define CGAL_SUNPRO_INITIALIZE(C) #endif //----------------------------------------------------------------------// // MacOSX specific. //----------------------------------------------------------------------// #ifdef __APPLE__ # if defined(__GNUG__) && (__GNUG__ == 4) && (__GNUC_MINOR__ == 0) \ && defined(__OPTIMIZE__) && !defined(CGAL_NO_WARNING_FOR_MACOSX_GCC_4_0_BUG) # warning "Your configuration may exhibit run-time errors in CGAL code" # warning "This appears with g++ 4.0 on MacOSX when optimizing" # warning "You can disable this warning using -DCGAL_NO_WARNING_FOR_MACOSX_GCC_4_0_BUG" # warning "For more information, see https://www.cgal.org/FAQ.html#mac_optimization_bug" # endif #endif //-------------------------------------------------------------------// // When the global min and max are no longer defined (as macros) // because of NOMINMAX flag definition, we define our own global // min/max functions to make the Microsoft headers compile. (afxtempl.h) // Users that does not want the global min/max // should define CGAL_NOMINMAX //-------------------------------------------------------------------// #include #if defined NOMINMAX && !defined CGAL_NOMINMAX using std::min; using std::max; #endif //-------------------------------------------------------------------// // Is Geomview usable ? #if !defined(_MSC_VER) && !defined(__MINGW32__) # define CGAL_USE_GEOMVIEW #endif //-------------------------------------------------------------------// // Compilers provide different macros to access the current function name #ifdef _MSC_VER # define CGAL_PRETTY_FUNCTION __FUNCSIG__ #elif defined __GNUG__ # define CGAL_PRETTY_FUNCTION __PRETTY_FUNCTION__ #else # define CGAL_PRETTY_FUNCTION __func__ // with sunpro, this requires -features=extensions #endif // Macro to detect GCC versions. // It evaluates to 0 if the compiler is not GCC. Be careful that the Intel // compilers on Linux, and the LLVM/clang compiler both define GCC version // macros. #define CGAL_GCC_VERSION (__GNUC__ * 10000 \ + __GNUC_MINOR__ * 100 \ + __GNUC_PATCHLEVEL__) // Macros to detect features of clang. We define them for the other // compilers. // See http://clang.llvm.org/docs/LanguageExtensions.html // See also http://en.cppreference.com/w/cpp/experimental/feature_test #ifndef __has_feature #define __has_feature(x) 0 // Compatibility with non-clang compilers. #endif #ifndef __has_include #define __has_include(x) 0 // Compatibility with non-clang compilers. #endif #ifndef __has_extension #define __has_extension __has_feature // Compatibility with pre-3.0 compilers. #endif #ifndef __has_builtin #define __has_builtin(x) 0 // Compatibility with non-clang compilers. #endif #ifndef __has_attribute #define __has_attribute(x) 0 // Compatibility with non-clang compilers. #endif #ifndef __has_cpp_attribute #define __has_cpp_attribute(x) 0 // Compatibility with non-supporting compilers. #endif #ifndef __has_warning #define __has_warning(x) 0 // Compatibility with non-clang compilers. #endif // Macro to specify a 'unused' attribute. #if defined(__GNUG__) || __has_attribute(__unused__) # define CGAL_UNUSED __attribute__ ((__unused__)) #else # define CGAL_UNUSED #endif // Macro to trigger deprecation warnings #ifdef CGAL_NO_DEPRECATION_WARNINGS # define CGAL_DEPRECATED # define CGAL_DEPRECATED_UNUSED CGAL_UNUSED #elif defined(__GNUC__) || __has_attribute(__deprecated__) # define CGAL_DEPRECATED __attribute__((__deprecated__)) #if __has_attribute(__unused__) # define CGAL_DEPRECATED_UNUSED __attribute__((__deprecated__, __unused__)) #else # define CGAL_DEPRECATED_UNUSED __attribute__((__deprecated__)) #endif #elif defined (_MSC_VER) && (_MSC_VER > 1300) # define CGAL_DEPRECATED __declspec(deprecated) # define CGAL_DEPRECATED_UNUSED __declspec(deprecated) #else # define CGAL_DEPRECATED # define CGAL_DEPRECATED_UNUSED #endif // Macro to trigger deprecation warnings with a custom message #ifdef CGAL_NO_DEPRECATION_WARNINGS # define CGAL_DEPRECATED_MSG(msg) #elif defined(__GNUC__) || __has_attribute(__deprecated__) # if BOOST_GCC >= 40500 || __has_attribute(__deprecated__) # define CGAL_DEPRECATED_MSG(msg) __attribute__ ((deprecated(msg))) # else # define CGAL_DEPRECATED_MSG(msg) __attribute__ ((deprecated)) # endif #elif defined (_MSC_VER) && (_MSC_VER > 1300) # define CGAL_DEPRECATED_MSG(msg) __declspec(deprecated(msg)) #elif defined(__clang__) # define CGAL_DEPRECATED_MSG(msg) __attribute__ ((deprecated(msg))) #else # define CGAL_DEPRECATED_MSG(msg) #endif // Macro to specify a 'noreturn' attribute. // (This macro existed in CGAL before we switched to C++11. Let's keep // the macro defined for backward-compatibility. That cannot harm.) #define CGAL_NORETURN [[noreturn]] // Macro to specify [[no_unique_address]] if supported #if CGAL_CXX11 && __has_cpp_attribute(no_unique_address) # define CGAL_NO_UNIQUE_ADDRESS [[no_unique_address]] #else # define CGAL_NO_UNIQUE_ADDRESS #endif // Macro CGAL_ASSUME // Call a builtin of the compiler to pass a hint to the compiler #if __has_builtin(__builtin_unreachable) || (CGAL_GCC_VERSION >= 40500 && !__STRICT_ANSI__) // From g++ 4.5, there exists a __builtin_unreachable() // Also in LLVM/clang # define CGAL_ASSUME(EX) if(!(EX)) { __builtin_unreachable(); } #elif defined(_MSC_VER) // MSVC has __assume # define CGAL_ASSUME(EX) __assume(EX) #endif // If CGAL_ASSUME is not defined, then CGAL_assume and CGAL_assume_code are // defined differently, in // If CGAL_HAS_THREADS is not defined, then CGAL code assumes // it can do any thread-unsafe things (like using static variables). #if !defined CGAL_HAS_THREADS && !defined CGAL_HAS_NO_THREADS # if defined BOOST_HAS_THREADS || defined _OPENMP # define CGAL_HAS_THREADS # endif #endif #if __has_feature(cxx_thread_local) || \ ( (__GNUC__ * 100 + __GNUC_MINOR__) >= 408 && __cplusplus >= 201103L ) || \ ( _MSC_VER >= 1900 ) // see also Installation/cmake/modules/config/support/CGAL_test_cpp_version.cpp #define CGAL_CAN_USE_CXX11_THREAD_LOCAL #endif #if ( BOOST_VERSION >= 105000 && ! defined(BOOST_NO_CXX11_HDR_MUTEX) ) || \ (__has_include() && __cplusplus >= 201103L ) | \ ( (__GNUC__ * 100 + __GNUC_MINOR__) >= 408 && __cplusplus >= 201103L ) || \ ( _MSC_VER >= 1700 ) #define CGAL_CAN_USE_CXX11_MUTEX #endif #if ( BOOST_VERSION >= 105600 && ! defined(BOOST_NO_CXX11_HDR_ATOMIC) ) || \ (__has_include() && __cplusplus >= 201103L ) || \ ( (__GNUC__ * 100 + __GNUC_MINOR__) >= 408 && __cplusplus >= 201103L ) || \ ( _MSC_VER >= 1700 ) #define CGAL_CAN_USE_CXX11_ATOMIC #endif // Support for LEDA with threads // Not that, if CGAL_HAS_THREADS is defined, and you want to use LEDA, // you must link with a version of LEDA libraries that support threads. #if defined(CGAL_HAS_THREADS) && CGAL_USE_LEDA # define LEDA_MULTI_THREAD 1 #endif // Support for LEDA_numbers on Windows #define LEDA_NUMBERS_DLL 1 // Helper macros to disable macros #if defined(__clang__) || (BOOST_GCC >= 40600) # define CGAL_PRAGMA_DIAG_PUSH _Pragma("GCC diagnostic push") # define CGAL_PRAGMA_DIAG_POP _Pragma("GCC diagnostic pop") #else # define CGAL_PRAGMA_DIAG_PUSH # define CGAL_PRAGMA_DIAG_POP #endif // // Compatibility with CGAL-4.14. #ifndef CGAL_NO_DEPRECATED_CODE // // That is temporary, and will be replaced by a namespace alias, as // soon as we can remove cpp11::result_of, and and // . // # include # include # include # include # include # include # include // namespace CGAL { // namespace cpp11 { using std::next; using std::prev; using std::copy_n; using std::array; using std::function; using std::tuple; using std::make_tuple; using std::tie; using std::get; using std::tuple_size; using std::tuple_element; using std::is_enum; using std::unordered_set; using std::unordered_map; } // namespace cpp0x = cpp11; using cpp11::array; using cpp11::copy_n; } // end of the temporary compatibility with CGAL-4.14 #endif // CGAL_NO_DEPRECATED_CODE namespace CGAL { // Typedef for the type of nullptr. typedef const void * Nullptr_t; // Anticipate C++0x's std::nullptr_t } //namespace CGAL //Support for c++11 noexcept #if BOOST_VERSION > 104600 && !defined(BOOST_NO_CXX11_NOEXCEPT) && !defined(BOOST_NO_NOEXCEPT) #define CGAL_NOEXCEPT(x) noexcept(x) #else #define CGAL_NOEXCEPT(x) #endif // The fallthrough attribute // See for clang: // http://clang.llvm.org/docs/AttributeReference.html#statement-attributes // See for gcc: // https://gcc.gnu.org/onlinedocs/gcc/Warning-Options.html #if __cpp_attributes >= 200809 && __has_cpp_attribute(fallthrough) # define CGAL_FALLTHROUGH [[fallthrough]] #elif __cpp_attributes >= 200809 && __has_cpp_attribute(gnu::fallthrough) # define CGAL_FALLTHROUGH [[gnu::fallthrough]] #elif __cpp_attributes >= 200809 && __has_cpp_attribute(clang::fallthrough) # define CGAL_FALLTHROUGH [[clang::fallthrough]] #elif __has_attribute(fallthrough) && ! __clang__ # define CGAL_FALLTHROUGH __attribute__ ((fallthrough)) #else # define CGAL_FALLTHROUGH while(false){} #endif // https://svn.boost.org/trac/boost/ticket/2839 #if defined(BOOST_MSVC) && BOOST_VERSION < 105600 #define CGAL_CFG_BOOST_VARIANT_SWAP_BUG 1 #endif #ifndef CGAL_NO_ASSERTIONS # define CGAL_NO_ASSERTIONS_BOOL false #else # define CGAL_NO_ASSERTIONS_BOOL true #endif #if defined( __INTEL_COMPILER) #define CGAL_ADDITIONAL_VARIANT_FOR_ICL ,int #else #define CGAL_ADDITIONAL_VARIANT_FOR_ICL #endif #if !defined CGAL_EIGEN3_ENABLED && \ !defined CGAL_EIGEN3_DISABLED && \ __has_include() # define CGAL_EIGEN3_ENABLED 1 #endif #define CGAL_STRINGIZE_HELPER(x) #x #define CGAL_STRINGIZE(x) CGAL_STRINGIZE_HELPER(x) /// Macro `CGAL_WARNING`. /// Must be used with `#pragma`, this way: /// /// #pragma CGAL_WARNING(This line should trigger a warning) /// /// @{ #ifdef BOOST_MSVC # define CGAL_WARNING(desc) message(__FILE__ "(" CGAL_STRINGIZE(__LINE__) ") : warning: " desc) #else // not BOOST_MSVC # define CGAL_WARNING(desc) message( "warning: " desc) #endif // not BOOST_MSVC /// @} /// Macro `CGAL_pragma_warning`. /// @{ #ifdef BOOST_MSVC # define CGAL_pragma_warning(desc) __pragma(CGAL_WARNING(desc)) #else // not BOOST_MSVC # define CGAL_pragma_warning(desc) _Pragma(CGAL_STRINGIZE(CGAL_WARNING(desc))) #endif // not BOOST_MSVC /// @} #include #endif // CGAL_CONFIG_H