| // { dg-do compile } |
| // { dg-options "-std=c++17 -I${srcdir}/g++.dg/cpp1y -I${srcdir}/g++.dg/cpp1y/testinc" } |
| |
| // C++98 features: |
| |
| #ifndef __cpp_rtti |
| # error "__cpp_rtti" |
| #elif __cpp_rtti != 199711 |
| # error "__cpp_rtti != 199711" |
| #endif |
| |
| #ifndef __cpp_exceptions |
| # error "__cpp_exceptions" |
| #elif __cpp_exceptions != 199711 |
| # error "__cpp_exceptions != 199711" |
| #endif |
| |
| // C++11 features: |
| |
| #ifndef __cpp_raw_strings |
| # error "__cpp_raw_strings" |
| #elif __cpp_raw_strings != 200710 |
| # error "__cpp_raw_strings != 200710" |
| #endif |
| |
| #ifndef __cpp_unicode_literals |
| # error "__cpp_unicode_literals" |
| #elif __cpp_unicode_literals != 200710 |
| # error "__cpp_unicode_literals != 200710" |
| #endif |
| |
| #ifndef __cpp_user_defined_literals |
| # error "__cpp_user_defined_literals" |
| #elif __cpp_user_defined_literals != 200809 |
| # error "__cpp_user_defined_literals != 200809" |
| #endif |
| |
| #ifndef __cpp_lambdas |
| # error "__cpp_lambdas" |
| #elif __cpp_lambdas != 200907 |
| # error "__cpp_lambdas != 200907" |
| #endif |
| |
| #ifndef __cpp_range_based_for |
| # error "__cpp_range_based_for" |
| #elif __cpp_range_based_for != 201603 |
| # error "__cpp_range_based_for != 201603" |
| #endif |
| |
| #ifndef __cpp_decltype |
| # error "__cpp_decltype" |
| #elif __cpp_decltype != 200707 |
| # error "__cpp_decltype != 200707" |
| #endif |
| |
| #ifndef __cpp_attributes |
| # error "__cpp_attributes" |
| #elif __cpp_attributes != 200809 |
| # error "__cpp_attributes != 200809" |
| #endif |
| |
| #ifndef __cpp_rvalue_references |
| # error "__cpp_rvalue_references" |
| #elif __cpp_rvalue_references != 200610 |
| # error "__cpp_rvalue_references != 200610" |
| #endif |
| |
| #ifndef __cpp_variadic_templates |
| # error "__cpp_variadic_templates" |
| #elif __cpp_variadic_templates != 200704 |
| # error "__cpp_variadic_templates != 200704" |
| #endif |
| |
| #ifndef __cpp_initializer_lists |
| # error "__cpp_initializer_lists" |
| #elif __cpp_initializer_lists != 200806 |
| # error "__cpp_initializer_lists != 200806" |
| #endif |
| |
| #ifndef __cpp_delegating_constructors |
| # error "__cpp_delegating_constructors" |
| #elif __cpp_delegating_constructors != 200604 |
| # error "__cpp_delegating_constructors != 200604" |
| #endif |
| |
| #ifndef __cpp_nsdmi |
| # error "__cpp_nsdmi" |
| #elif __cpp_nsdmi != 200809 |
| # error "__cpp_nsdmi != 200809" |
| #endif |
| |
| #ifndef __cpp_inheriting_constructors |
| # error "__cpp_inheriting_constructors" |
| #elif __cpp_inheriting_constructors!= 201511 |
| # error "__cpp_inheriting_constructors != 201511" |
| #endif |
| |
| #ifndef __cpp_ref_qualifiers |
| # error "__cpp_ref_qualifiers" |
| #elif __cpp_ref_qualifiers != 200710 |
| # error "__cpp_ref_qualifiers != 200710" |
| #endif |
| |
| #ifndef __cpp_alias_templates |
| # error "__cpp_alias_templates" |
| #elif __cpp_alias_templates != 200704 |
| # error "__cpp_alias_templates != 200704" |
| #endif |
| |
| #ifndef __cpp_threadsafe_static_init |
| # error "__cpp_threadsafe_static_init" |
| #elif __cpp_threadsafe_static_init != 200806 |
| # error "__cpp_threadsafe_static_init != 200806" |
| #endif |
| |
| // C++14 features: |
| |
| #ifndef __cpp_binary_literals |
| # error "__cpp_binary_literals" |
| #elif __cpp_binary_literals != 201304 |
| # error "__cpp_binary_literals != 201304" |
| #endif |
| |
| #ifndef __cpp_init_captures |
| # error "__cpp_init_captures" |
| #elif __cpp_init_captures != 201304 |
| # error "__cpp_init_captures != 201304" |
| #endif |
| |
| #ifndef __cpp_generic_lambdas |
| # error "__cpp_generic_lambdas" |
| #elif __cpp_generic_lambdas != 201304 |
| # error "__cpp_generic_lambdas != 201304" |
| #endif |
| |
| #ifndef __cpp_constexpr |
| # error "__cpp_constexpr" |
| #elif __cpp_constexpr != 201603 |
| # error "__cpp_constexpr != 201603" |
| #endif |
| |
| #ifndef __cpp_decltype_auto |
| # error "__cpp_decltype_auto" |
| #elif __cpp_decltype_auto != 201304 |
| # error "__cpp_decltype_auto != 201304" |
| #endif |
| |
| #ifndef __cpp_return_type_deduction |
| # error "__cpp_return_type_deduction" |
| #elif __cpp_return_type_deduction != 201304 |
| # error "__cpp_return_type_deduction != 201304" |
| #endif |
| |
| #ifndef __cpp_aggregate_nsdmi |
| # error "__cpp_aggregate_nsdmi" |
| #elif __cpp_aggregate_nsdmi != 201304 |
| # error "__cpp_aggregate_nsdmi != 201304" |
| #endif |
| |
| #ifndef __cpp_variable_templates |
| # error "__cpp_variable_templates" |
| #elif __cpp_variable_templates != 201304 |
| # error "__cpp_variable_templates != 201304" |
| #endif |
| |
| #ifndef __cpp_digit_separators |
| # error "__cpp_digit_separators" |
| #elif __cpp_digit_separators != 201309 |
| # error "__cpp_digit_separators != 201309" |
| #endif |
| |
| #ifndef __cpp_sized_deallocation |
| # error "__cpp_sized_deallocation" |
| #elif __cpp_sized_deallocation != 201309 |
| # error "__cpp_sized_deallocation != 201309" |
| #endif |
| |
| // GNU VLA support: |
| |
| #ifndef __cpp_runtime_arrays |
| # error "__cpp_runtime_arrays" |
| #elif __cpp_runtime_arrays != 198712 |
| # error "__cpp_runtime_arrays != 198712" |
| #endif |
| |
| // C++11 attributes: |
| |
| #ifdef __has_cpp_attribute |
| # if ! __has_cpp_attribute(noreturn) |
| # error "__has_cpp_attribute(noreturn)" |
| # elif __has_cpp_attribute(noreturn) != 200809 |
| # error "__has_cpp_attribute(noreturn) != 200809" |
| # endif |
| #else |
| # error "__has_cpp_attribute" |
| #endif |
| |
| // Attribute carries_dependency not in yet. |
| //#ifdef __has_cpp_attribute |
| //# if ! __has_cpp_attribute(carries_dependency) |
| //# error "__has_cpp_attribute(carries_dependency)" |
| //# elif __has_cpp_attribute(carries_dependency) != 200809 |
| //# error "__has_cpp_attribute(carries_dependency) != 200809" |
| //# endif |
| //#else |
| //# error "__has_cpp_attribute" |
| //#endif |
| |
| // C++14 attributes: |
| |
| #ifdef __has_cpp_attribute |
| # if ! __has_cpp_attribute(deprecated) |
| # error "__has_cpp_attribute(deprecated)" |
| # elif __has_cpp_attribute(deprecated) != 201309 |
| # error "__has_cpp_attribute(deprecated) != 201309" |
| # endif |
| #else |
| # error "__has_cpp_attribute" |
| #endif |
| |
| // Include checks: |
| |
| // Check for __has_include macro. |
| #ifndef __has_include |
| # error "__has_include" |
| #endif |
| |
| // Try known bracket header (use operator). |
| #if __has_include (<complex>) |
| #else |
| # error "<complex>" |
| #endif |
| |
| // Define and use a macro to invoke the operator. |
| #define sluggo(TXT) __has_include(TXT) |
| |
| #if sluggo(<complex>) |
| #else |
| # error "<complex>" |
| #endif |
| |
| #if ! sluggo(<complex>) |
| # error "<complex>" |
| #else |
| #endif |
| |
| // Quoted complex.h should find at least the bracket version. |
| #if __has_include("complex.h") |
| #else |
| # error "complex.h" |
| #endif |
| |
| // Try known local quote header. |
| #if __has_include("complex_literals.h") |
| #else |
| # error "\"complex_literals.h\"" |
| #endif |
| |
| // Try nonexistent bracket header. |
| #if __has_include(<stuff>) |
| # error "<stuff>" |
| #else |
| #endif |
| |
| // Try nonexistent quote header. |
| #if __has_include("phlegm") |
| # error "\"phlegm\"" |
| #else |
| #endif |
| |
| // Test __has_include_next. |
| #if __has_include("phoobhar.h") |
| # include "phoobhar.h" |
| #else |
| # error "__has_include(\"phoobhar.h\")" |
| #endif |
| |
| // Try a macro. |
| #define COMPLEX_INC "complex.h" |
| #if __has_include(COMPLEX_INC) |
| #else |
| # error COMPLEX_INC |
| #endif |
| |
| // Realistic use of __has_include. |
| #if __has_include(<array>) |
| # define STD_ARRAY 1 |
| # include <array> |
| template<typename _Tp, std::size_t _Num> |
| using array = std::array<_Tp, _Num>; |
| #elif __has_include(<tr1/array>) |
| # define TR1_ARRAY 1 |
| # include <tr1/array> |
| template<typename _Tp, std::size_t _Num> |
| typedef std::tr1::array<_Tp, _Num> array; |
| #endif |
| |
| // C++17 features: |
| |
| #ifndef __cpp_unicode_characters |
| # error "__cpp_unicode_characters" |
| #elif __cpp_unicode_characters != 201411 |
| # error "__cpp_unicode_characters != 201411" |
| #endif |
| |
| #ifndef __cpp_static_assert |
| # error "__cpp_static_assert" |
| #elif __cpp_static_assert != 201411 |
| # error "__cpp_static_assert != 201411" |
| #endif |
| |
| #ifndef __cpp_namespace_attributes |
| # error "__cpp_namespace_attributes" |
| #elif __cpp_namespace_attributes != 201411 |
| # error "__cpp_namespace_attributes != 201411" |
| #endif |
| |
| #ifndef __cpp_enumerator_attributes |
| # error "__cpp_enumerator_attributes" |
| #elif __cpp_enumerator_attributes != 201411 |
| # error "__cpp_enumerator_attributes != 201411" |
| #endif |
| |
| #ifndef __cpp_nested_namespace_definitions |
| # error "__cpp_nested_namespace_definitions" |
| #elif __cpp_nested_namespace_definitions != 201411 |
| # error "__cpp_nested_namespace_definitions != 201411" |
| #endif |
| |
| #ifndef __cpp_fold_expressions |
| # error "__cpp_fold_expressions" |
| #elif __cpp_fold_expressions != 201603 |
| # error "__cpp_fold_expressions != 201603" |
| #endif |
| |
| #ifndef __cpp_nontype_template_args |
| # error "__cpp_nontype_template_args" |
| #elif __cpp_nontype_template_args != 201411 |
| # error "__cpp_nontype_template_args != 201411" |
| #endif |
| |
| #ifndef __cpp_hex_float |
| # error "__cpp_hex_float" |
| #elif __cpp_hex_float != 201603 |
| # error "__cpp_hex_float != 201603" |
| #endif |
| |
| #ifndef __cpp_aggregate_bases |
| # error "__cpp_aggregate_bases" |
| #elif __cpp_aggregate_bases != 201603 |
| # error "__cpp_aggregate_bases != 201603" |
| #endif |
| |
| #ifndef __cpp_deduction_guides |
| # error "__cpp_deduction_guides" |
| #elif __cpp_deduction_guides != 201703 |
| # error "__cpp_deduction_guides != 201703" |
| #endif |
| |
| #ifndef __cpp_if_constexpr |
| # error "__cpp_if_constexpr" |
| #elif __cpp_if_constexpr != 201606 |
| # error "__cpp_if_constexpr != 201606" |
| #endif |
| |
| #ifndef __cpp_aligned_new |
| # error "__cpp_aligned_new" |
| #elif __cpp_aligned_new != 201606 |
| # error "__cpp_aligned_new != 201606" |
| #endif |
| |
| #ifndef __cpp_template_auto |
| # error "__cpp_template_auto" |
| #elif __cpp_template_auto != 201606 |
| # error "__cpp_template_auto != 201606" |
| #endif |
| |
| #ifndef __cpp_inline_variables |
| # error "__cpp_inline_variables" |
| #elif __cpp_inline_variables != 201606 |
| # error "__cpp_inline_variables != 201606" |
| #endif |
| |
| #ifndef __cpp_capture_star_this |
| # error "__cpp_capture_star_this" |
| #elif __cpp_capture_star_this != 201603 |
| # error "__cpp_capture_star_this != 201603" |
| #endif |
| |
| #ifndef __cpp_noexcept_function_type |
| # error "__cpp_noexcept_function_type" |
| #elif __cpp_noexcept_function_type != 201510 |
| # error "__cpp_noexcept_function_type != 201510" |
| #endif |
| |
| #ifndef __cpp_structured_bindings |
| # error "__cpp_structured_bindings" |
| #elif __cpp_structured_bindings != 201606 |
| # error "__cpp_structured_bindings != 201606" |
| #endif |
| |
| #ifndef __cpp_template_template_args |
| # error "__cpp_template_template_args" |
| #elif __cpp_template_template_args != 201611 |
| # error "__cpp_template_template_args != 201611" |
| #endif |
| |
| #ifndef __cpp_variadic_using |
| # error "__cpp_variadic_using" |
| #elif __cpp_variadic_using != 201611 |
| # error "__cpp_variadic_using != 201611" |
| #endif |
| |
| #ifndef __cpp_guaranteed_copy_elision |
| # error "__cpp_guaranteed_copy_elision" |
| #elif __cpp_guaranteed_copy_elision != 201606 |
| # error "__cpp_guaranteed_copy_elision != 201606" |
| #endif |
| |
| #ifndef __cpp_nontype_template_parameter_auto |
| # error "__cpp_nontype_template_parameter_auto" |
| #elif __cpp_nontype_template_parameter_auto != 201606 |
| # error "__cpp_nontype_template_parameter_auto != 201606" |
| #endif |
| |
| #ifdef __has_cpp_attribute |
| |
| # if ! __has_cpp_attribute(maybe_unused) |
| # error "__has_cpp_attribute(maybe_unused)" |
| # elif __has_cpp_attribute(maybe_unused) != 201603 |
| # error "__has_cpp_attribute(maybe_unused) != 201603" |
| # endif |
| |
| # if ! __has_cpp_attribute(nodiscard) |
| # error "__has_cpp_attribute(nodiscard)" |
| # elif (__has_cpp_attribute(nodiscard) != 201603 && __has_cpp_attribute(nodiscard) != 201907) |
| # error "__has_cpp_attribute(nodiscard) != 201603" |
| # endif |
| |
| # if ! __has_cpp_attribute(fallthrough) |
| # error "__has_cpp_attribute(fallthrough)" |
| # elif __has_cpp_attribute(fallthrough) != 201603 |
| # error "__has_cpp_attribute(fallthrough) != 201603" |
| # endif |
| |
| #else |
| # error "__has_cpp_attribute" |
| #endif |