/usr/share/cmake-3.5/Modules/Compiler/Clang-CXX-TestableFeatures.cmake is in cmake-data 3.5.1-1ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 | set(testable_features
cxx_alias_templates
cxx_alignas
cxx_attributes
cxx_auto_type
cxx_binary_literals
cxx_constexpr
cxx_contextual_conversions
cxx_decltype
cxx_decltype_incomplete_return_types
cxx_default_function_template_args
cxx_defaulted_functions
cxx_delegating_constructors
cxx_deleted_functions
cxx_explicit_conversions
cxx_generalized_initializers
cxx_inheriting_constructors
cxx_lambdas
cxx_local_type_template_args
cxx_noexcept
cxx_nonstatic_member_init
cxx_nullptr
cxx_range_for
cxx_raw_string_literals
cxx_reference_qualified_functions
cxx_relaxed_constexpr
cxx_return_type_deduction
cxx_rvalue_references
cxx_static_assert
cxx_strong_enums
cxx_thread_local
cxx_unicode_literals
cxx_unrestricted_unions
cxx_user_literals
cxx_variable_templates
cxx_variadic_templates
)
foreach(feature ${testable_features})
set(_cmake_feature_test_${feature} "${_cmake_oldestSupported} && __has_feature(${feature})")
endforeach()
unset(testable_features)
set(_cmake_feature_test_cxx_aggregate_default_initializers "${_cmake_oldestSupported} && __has_feature(cxx_aggregate_nsdmi)")
set(_cmake_feature_test_cxx_trailing_return_types "${_cmake_oldestSupported} && __has_feature(cxx_trailing_return)")
set(_cmake_feature_test_cxx_alignof "${_cmake_oldestSupported} && __has_feature(cxx_alignas)")
set(_cmake_feature_test_cxx_final "${_cmake_oldestSupported} && __has_feature(cxx_override_control)")
set(_cmake_feature_test_cxx_override "${_cmake_oldestSupported} && __has_feature(cxx_override_control)")
set(_cmake_feature_test_cxx_uniform_initialization "${_cmake_oldestSupported} && __has_feature(cxx_generalized_initializers)")
set(_cmake_feature_test_cxx_defaulted_move_initializers "${_cmake_oldestSupported} && __has_feature(cxx_defaulted_functions)")
set(_cmake_feature_test_cxx_lambda_init_captures "${_cmake_oldestSupported} && __has_feature(cxx_init_captures)")
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