mirror of
https://github.com/reactos/CMake.git
synced 2024-12-03 00:57:25 +00:00
c2d590c957
VS 2015 RTM completed support for constexpr and attribute features. Update our feature table and test accordingly.
338 lines
12 KiB
CMake
338 lines
12 KiB
CMake
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cmake_minimum_required(VERSION 3.1)
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project(CompileFeatures)
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if (NOT CMAKE_C_COMPILE_FEATURES AND NOT CMAKE_CXX_COMPILE_FEATURES)
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file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp"
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"int main(int,char**) { return 0; }\n"
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)
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add_executable(CompileFeatures "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp")
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return()
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endif()
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macro(run_test feature lang)
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if (";${CMAKE_${lang}_COMPILE_FEATURES};" MATCHES ${feature})
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add_library(test_${feature} OBJECT ${feature})
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set_property(TARGET test_${feature}
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PROPERTY COMPILE_FEATURES "${feature}"
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)
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else()
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list(APPEND ${lang}_non_features ${feature})
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endif()
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endmacro()
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get_property(c_features GLOBAL PROPERTY CMAKE_C_KNOWN_FEATURES)
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foreach(feature ${c_features})
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run_test(${feature} C)
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endforeach()
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get_property(cxx_features GLOBAL PROPERTY CMAKE_CXX_KNOWN_FEATURES)
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foreach(feature ${cxx_features})
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run_test(${feature} CXX)
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endforeach()
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if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang"
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AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.1)
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# AppleClang prior to 5.1 does not set any preprocessor define to distinguish
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# c++1y from c++11, so CMake does not support c++1y features before AppleClang 5.1.
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list(REMOVE_ITEM CXX_non_features
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cxx_attribute_deprecated
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cxx_binary_literals
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)
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endif()
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if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang"
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AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.2)
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# AppleClang prior to 4.1 reports false for __has_feature(cxx_local_type_template_args)
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# and __has_feature(cxx_unrestricted_unions) but it happens to pass these tests.
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list(REMOVE_ITEM CXX_non_features
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cxx_local_type_template_args
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cxx_unrestricted_unions
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)
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endif()
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if (CMAKE_CXX_COMPILER_ID STREQUAL SunPro)
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list(REMOVE_ITEM CXX_non_features
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cxx_attribute_deprecated
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cxx_contextual_conversions
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cxx_extended_friend_declarations
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cxx_long_long_type
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cxx_sizeof_member
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cxx_variadic_macros
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)
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endif()
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
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AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.5)
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# The cxx_raw_string_literals feature happens to work in some distributions
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# of GNU 4.4, but it is first documented as available with GNU 4.5.
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list(REMOVE_ITEM CXX_non_features
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cxx_raw_string_literals
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)
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endif()
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
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AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.6)
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# The cxx_constexpr feature happens to work (for *this* testcase) with
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# GNU 4.5, but it is first documented as available with GNU 4.6.
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list(REMOVE_ITEM CXX_non_features
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cxx_constexpr
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)
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endif()
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
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AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
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# The cxx_alignof feature happens to work (for *this* testcase) with
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# GNU 4.7, but it is first documented as available with GNU 4.8.
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list(REMOVE_ITEM CXX_non_features
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cxx_alignof
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)
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endif()
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
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AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)
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# GNU prior to 4.9 does not set any preprocessor define to distinguish
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# c++1y from c++11, so CMake does not support c++1y features before GNU 4.9.
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list(REMOVE_ITEM CXX_non_features
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# GNU 4.8 knows cxx_attributes, but doesn't know [[deprecated]]
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# and warns that it is unknown and ignored.
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cxx_attribute_deprecated
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cxx_binary_literals
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cxx_lambda_init_captures
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cxx_return_type_deduction
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)
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endif()
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if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
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if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 18.0)
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list(REMOVE_ITEM CXX_non_features
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# The cxx_contextual_conversions feature happens to work
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# (for *this* testcase) with VS 2010 and VS 2012, but
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# they do not document support until VS 2013.
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cxx_contextual_conversions
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)
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elseif (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.0)
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list(REMOVE_ITEM CXX_non_features
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# The cxx_deleted_functions and cxx_nonstatic_member_init
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# features happen to work (for *this* testcase) with VS 2013,
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# but they do not document support until VS 2015.
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cxx_deleted_functions
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cxx_nonstatic_member_init
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)
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endif()
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endif()
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set(C_ext c)
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set(C_standard_flag 11)
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set(CXX_ext cpp)
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set(CXX_standard_flag 14)
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foreach(lang CXX C)
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if (CMAKE_${lang}_COMPILE_FEATURES)
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foreach(feature ${${lang}_non_features})
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message("Testing feature : ${feature}")
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try_compile(${feature}_works
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"${CMAKE_CURRENT_BINARY_DIR}/${feature}_test"
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"${CMAKE_CURRENT_SOURCE_DIR}/feature_test.${${lang}_ext}"
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COMPILE_DEFINITIONS "-DTEST=${feature}.${${lang}_ext}"
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CMAKE_FLAGS "-DCMAKE_${lang}_STANDARD=${${lang}_standard_flag}"
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"-DINCLUDE_DIRECTORIES=${CMAKE_CURRENT_SOURCE_DIR}"
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OUTPUT_VARIABLE OUTPUT
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)
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if (${feature}_works)
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message(SEND_ERROR
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"Feature ${feature} expected not to work for ${lang} ${CMAKE_${lang}_COMPILER_ID}-${CMAKE_${lang}_COMPILER_VERSION}.
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Update the supported features or blacklist it.\n${OUTPUT}")
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else()
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message("Testing feature : ${feature} -- Fails, as expected.")
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endif()
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endforeach()
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endif()
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endforeach()
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if (CMAKE_C_COMPILE_FEATURES)
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if (CMAKE_C_STANDARD_DEFAULT)
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string(FIND "${CMAKE_C_FLAGS}" "-std=" std_flag_idx)
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if (std_flag_idx EQUAL -1)
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add_executable(default_dialect_C default_dialect.c)
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target_compile_definitions(default_dialect_C PRIVATE
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DEFAULT_C11=$<EQUAL:${CMAKE_C_STANDARD_DEFAULT},11>
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DEFAULT_C99=$<EQUAL:${CMAKE_C_STANDARD_DEFAULT},99>
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DEFAULT_C90=$<EQUAL:${CMAKE_C_STANDARD_DEFAULT},90>
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)
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endif()
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endif()
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add_executable(CompileFeaturesGenex_C genex_test.c)
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set_property(TARGET CompileFeaturesGenex_C PROPERTY C_STANDARD 11)
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if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
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if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.6)
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list(APPEND expected_defs
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EXPECT_C_STATIC_ASSERT=1
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)
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else()
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list(APPEND expected_defs
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EXPECT_C_STATIC_ASSERT=0
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)
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endif()
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elseif(CMAKE_C_COMPILER_ID STREQUAL "Clang"
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OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
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list(APPEND expected_defs
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EXPECT_C_STATIC_ASSERT=1
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)
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endif()
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list(APPEND expected_defs
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EXPECT_C_FUNCTION_PROTOTYPES=1
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EXPECT_C_RESTRICT=1
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)
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target_compile_definitions(CompileFeaturesGenex_C PRIVATE
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HAVE_C_FUNCTION_PROTOTYPES=$<COMPILE_FEATURES:c_function_prototypes>
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HAVE_C_RESTRICT=$<COMPILE_FEATURES:c_restrict>
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HAVE_C_STATIC_ASSERT=$<COMPILE_FEATURES:c_static_assert>
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${expected_defs}
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)
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endif()
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if (CMAKE_CXX_COMPILE_FEATURES)
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if (CMAKE_CXX_STANDARD_DEFAULT)
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string(FIND "${CMAKE_CXX_FLAGS}" "-std=" std_flag_idx)
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if (std_flag_idx EQUAL -1)
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add_executable(default_dialect default_dialect.cpp)
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target_compile_definitions(default_dialect PRIVATE
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DEFAULT_CXX14=$<EQUAL:${CMAKE_CXX_STANDARD_DEFAULT},14>
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DEFAULT_CXX11=$<EQUAL:${CMAKE_CXX_STANDARD_DEFAULT},11>
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DEFAULT_CXX98=$<EQUAL:${CMAKE_CXX_STANDARD_DEFAULT},98>
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)
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endif()
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endif()
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add_executable(CompileFeatures main.cpp)
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set_property(TARGET CompileFeatures
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PROPERTY COMPILE_FEATURES "cxx_auto_type"
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)
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set_property(TARGET CompileFeatures
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PROPERTY CXX_STANDARD_REQUIRED TRUE
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)
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add_executable(GenexCompileFeatures main.cpp)
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set_property(TARGET GenexCompileFeatures
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PROPERTY COMPILE_FEATURES "$<1:cxx_auto_type>;$<0:not_a_feature>"
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)
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add_library(iface INTERFACE)
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set_property(TARGET iface
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PROPERTY INTERFACE_COMPILE_FEATURES "cxx_auto_type"
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)
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add_executable(IfaceCompileFeatures main.cpp)
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target_link_libraries(IfaceCompileFeatures iface)
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if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
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add_definitions(
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-DEXPECT_OVERRIDE_CONTROL=1
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-DEXPECT_INHERITING_CONSTRUCTORS=1
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-DEXPECT_FINAL=1
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-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=1
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)
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elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.7)
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add_definitions(
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-DEXPECT_OVERRIDE_CONTROL=1
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-DEXPECT_INHERITING_CONSTRUCTORS=0
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-DEXPECT_FINAL=1
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-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=0
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)
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else()
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add_definitions(
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-DEXPECT_OVERRIDE_CONTROL=0
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-DEXPECT_INHERITING_CONSTRUCTORS=0
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-DEXPECT_FINAL=0
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-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=0
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)
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endif()
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
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add_definitions(
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-DEXPECT_OVERRIDE_CONTROL=1
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-DEXPECT_INHERITING_CONSTRUCTORS=1
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-DEXPECT_FINAL=1
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-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=1
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)
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
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add_definitions(
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-DEXPECT_OVERRIDE_CONTROL=1
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-DEXPECT_INHERITING_CONSTRUCTORS=1
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-DEXPECT_FINAL=1
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-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=1
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)
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else()
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add_definitions(
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-DEXPECT_OVERRIDE_CONTROL=1
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-DEXPECT_INHERITING_CONSTRUCTORS=0
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-DEXPECT_FINAL=1
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-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=0
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)
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endif()
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elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
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if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.0)
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add_definitions(
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-DEXPECT_OVERRIDE_CONTROL=1
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-DEXPECT_INHERITING_CONSTRUCTORS=1
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-DEXPECT_FINAL=1
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-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=1
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)
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elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 17.0)
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add_definitions(
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-DEXPECT_OVERRIDE_CONTROL=1
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-DEXPECT_INHERITING_CONSTRUCTORS=0
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-DEXPECT_FINAL=1
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-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=0
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)
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else()
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add_definitions(
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-DEXPECT_OVERRIDE_CONTROL=0
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-DEXPECT_INHERITING_CONSTRUCTORS=0
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-DEXPECT_FINAL=0
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-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=0
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)
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endif()
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elseif (CMAKE_CXX_COMPILER_ID STREQUAL "SunPro")
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add_definitions(
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-DEXPECT_OVERRIDE_CONTROL=1
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-DEXPECT_INHERITING_CONSTRUCTORS=1
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-DEXPECT_FINAL=1
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-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=1
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)
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endif()
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add_executable(CompileFeaturesGenex genex_test.cpp)
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set_property(TARGET CompileFeaturesGenex PROPERTY CXX_STANDARD 11)
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target_compile_definitions(CompileFeaturesGenex PRIVATE
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HAVE_OVERRIDE_CONTROL=$<COMPILE_FEATURES:cxx_final,cxx_override>
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HAVE_AUTO_TYPE=$<COMPILE_FEATURES:cxx_auto_type>
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HAVE_INHERITING_CONSTRUCTORS=$<COMPILE_FEATURES:cxx_inheriting_constructors>
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HAVE_FINAL=$<COMPILE_FEATURES:cxx_final>
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HAVE_INHERITING_CONSTRUCTORS_AND_FINAL=$<COMPILE_FEATURES:cxx_inheriting_constructors,cxx_final>
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)
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add_executable(CompileFeaturesGenex2 genex_test.cpp)
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target_compile_features(CompileFeaturesGenex2 PRIVATE cxx_static_assert)
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target_compile_definitions(CompileFeaturesGenex2 PRIVATE
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HAVE_OVERRIDE_CONTROL=$<COMPILE_FEATURES:cxx_final,cxx_override>
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HAVE_AUTO_TYPE=$<COMPILE_FEATURES:cxx_auto_type>
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HAVE_INHERITING_CONSTRUCTORS=$<COMPILE_FEATURES:cxx_inheriting_constructors>
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HAVE_FINAL=$<COMPILE_FEATURES:cxx_final>
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HAVE_INHERITING_CONSTRUCTORS_AND_FINAL=$<COMPILE_FEATURES:cxx_inheriting_constructors,cxx_final>
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)
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add_library(static_assert_iface INTERFACE)
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target_compile_features(static_assert_iface INTERFACE cxx_static_assert)
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add_executable(CompileFeaturesGenex3 genex_test.cpp)
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target_link_libraries(CompileFeaturesGenex3 PRIVATE static_assert_iface)
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target_compile_definitions(CompileFeaturesGenex3 PRIVATE
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HAVE_OVERRIDE_CONTROL=$<COMPILE_FEATURES:cxx_final,cxx_override>
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HAVE_AUTO_TYPE=$<COMPILE_FEATURES:cxx_auto_type>
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HAVE_INHERITING_CONSTRUCTORS=$<COMPILE_FEATURES:cxx_inheriting_constructors>
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HAVE_FINAL=$<COMPILE_FEATURES:cxx_final>
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HAVE_INHERITING_CONSTRUCTORS_AND_FINAL=$<COMPILE_FEATURES:cxx_inheriting_constructors,cxx_final>
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)
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endif()
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