Revert topic 'feature_record_msvc'
Revert commits:2d738ce3Help: Add notes for topic 'feature_record_msvc'f73718c9Features: Enable writing of MSVC compiler feature header.64c30bdcFeatures: Record for MSVC C++ 2015 and MSVC C 2010-2015.225c0ef8Features: Record for MSVC 2010-2013. This topic was merged to master prematurely, so remove it.
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Brad King
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feature_record_msvc
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-------------------
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* The :manual:`Compile Features <cmake-compile-features(7)>` functionality
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is now aware of features supported by Visual Studio 2010 and above
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(``MSVC``).
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@ -1,23 +0,0 @@
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# Reference: http://msdn.microsoft.com/en-us/library/vstudio/hh567368.aspx
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# http://blogs.msdn.com/b/vcblog/archive/2013/06/28/c-11-14-stl-features-fixes-and-breaking-changes-in-vs-2013.aspx
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# http://blogs.msdn.com/b/vcblog/archive/2014/11/17/c-11-14-17-features-in-vs-2015-preview.aspx
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# http://www.visualstudio.com/en-us/news/vs2015-preview-vs.aspx
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set(_cmake_oldestSupported "_MSC_VER >= 1300")
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set(MSVC_2010 "_MSC_VER >= 1600")
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set(_cmake_feature_test_c_static_assert "${MSVC_2010}")
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set(_cmake_feature_test_c_variadic_macros "${MSVC_2010}")
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set(MSVC_2003 "_MSC_VER >= 1300")
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set(_cmake_feature_test_c_function_prototypes "${MSVC_2003}")
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# Currently unsupported:
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# restrict requires the __restrict syntax in msvc
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# set(_cmake_feature_test_c_restrict)
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# Unset all the variables that we don't need exposed.
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# _cmake_oldestSupported is required by WriteCompilerDetectionHeader
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set(MSVC_2010)
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set(MSVC_2003)
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# Reference: http://msdn.microsoft.com/en-us/library/vstudio/hh567368.aspx
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# http://blogs.msdn.com/b/vcblog/archive/2013/06/28/c-11-14-stl-features-fixes-and-breaking-changes-in-vs-2013.aspx
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# http://blogs.msdn.com/b/vcblog/archive/2014/11/17/c-11-14-17-features-in-vs-2015-preview.aspx
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# http://www.visualstudio.com/en-us/news/vs2015-preview-vs.aspx
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set(_cmake_oldestSupported "_MSC_VER >= 1600")
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set(MSVC_2015 "_MSC_VER >= 1900")
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set(_cmake_feature_test_cxx_alignas "${MSVC_2015}")
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set(_cmake_feature_test_cxx_alignof "${MSVC_2015}")
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set(_cmake_feature_test_cxx_binary_literals "${MSVC_2015}")
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set(_cmake_feature_test_cxx_decltype_auto "${MSVC_2015}")
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set(_cmake_feature_test_cxx_digit_separators "${MSVC_2015}")
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set(_cmake_feature_test_cxx_func_identifier "${MSVC_2015}")
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# http://blogs.msdn.com/b/vcblog/archive/2014/11/17/c-11-14-17-features-in-vs-2015-preview.aspx
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# Note 1. While previous version of VisualStudio said they supported this
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# they silently produced bad code, and are now marked as having partial
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# support
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set(_cmake_feature_test_cxx_generalized_initializers "${MSVC_2015}")
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set(_cmake_feature_test_cxx_generic_lambdas "${MSVC_2015}")
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set(_cmake_feature_test_cxx_inheriting_constructors "${MSVC_2015}")
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set(_cmake_feature_test_cxx_inline_namespaces "${MSVC_2015}")
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set(_cmake_feature_test_cxx_lambda_init_captures "${MSVC_2015}")
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set(_cmake_feature_test_cxx_noexcept "${MSVC_2015}")
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set(_cmake_feature_test_cxx_return_type_deduction "${MSVC_2015}")
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set(_cmake_feature_test_cxx_sizeof_member "${MSVC_2015}")
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set(_cmake_feature_test_cxx_thread_local "${MSVC_2015}")
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set(_cmake_feature_test_cxx_unicode_literals "${MSVC_2015}")
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set(_cmake_feature_test_cxx_unrestricted_unions "${MSVC_2015}")
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set(_cmake_feature_test_cxx_user_literals "${MSVC_2015}")
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set(MSVC_2013 "_MSC_VER >= 1800")
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set(_cmake_feature_test_cxx_alias_templates "${MSVC_2013}")
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set(_cmake_feature_test_cxx_default_function_template_args "${MSVC_2013}")
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set(_cmake_feature_test_cxx_defaulted_functions "${MSVC_2013}")
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set(_cmake_feature_test_cxx_delegating_constructors "${MSVC_2013}")
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set(_cmake_feature_test_cxx_deleted_functions "${MSVC_2013}")
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set(_cmake_feature_test_cxx_explicit_conversions "${MSVC_2013}")
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set(_cmake_feature_test_cxx_nonstatic_member_init "${MSVC_2013}")
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set(_cmake_feature_test_cxx_raw_string_literals "${MSVC_2013}")
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set(_cmake_feature_test_cxx_uniform_initialization "${MSVC_2013}")
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# Possibly broken:
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# http://thread.gmane.org/gmane.comp.lib.boost.devel/244986/focus=245333
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set(_cmake_feature_test_cxx_variadic_templates "${MSVC_2013}")
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# Microsoft now states they support contextual conversions
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# see footnote 6 at:
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# http://blogs.msdn.com/b/vcblog/archive/2014/11/17/c-11-14-17-features-in-vs-2015-preview.aspx
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set(_cmake_feature_test_cxx_contextual_conversions "${MSVC_2013}")
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set(MSVC_2012 "_MSC_VER >= 1700")
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set(_cmake_feature_test_cxx_decltype_incomplete_return_types "${MSVC_2012}")
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set(_cmake_feature_test_cxx_enum_forward_declarations "${MSVC_2012}")
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set(_cmake_feature_test_cxx_final "${MSVC_2012}")
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set(_cmake_feature_test_cxx_range_for "${MSVC_2012}")
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set(_cmake_feature_test_cxx_strong_enums "${MSVC_2012}")
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set(MSVC_2010 "_MSC_VER >= 1600")
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set(_cmake_feature_test_cxx_auto_function "${MSVC_2010}")
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set(_cmake_feature_test_cxx_auto_type "${MSVC_2010}")
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set(_cmake_feature_test_cxx_decltype "${MSVC_2010}")
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set(_cmake_feature_test_cxx_extended_friend_declarations "${MSVC_2010}")
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set(_cmake_feature_test_cxx_extern_templates "${MSVC_2010}")
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set(_cmake_feature_test_cxx_lambdas "${MSVC_2010}")
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set(_cmake_feature_test_cxx_local_type_template_args "${MSVC_2010}")
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set(_cmake_feature_test_cxx_long_long_type "${MSVC_2010}")
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set(_cmake_feature_test_cxx_nullptr "${MSVC_2010}")
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set(_cmake_feature_test_cxx_override "${MSVC_2010}")
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set(_cmake_feature_test_cxx_right_angle_brackets "${MSVC_2010}")
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set(_cmake_feature_test_cxx_rvalue_references "${MSVC_2010}")
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set(_cmake_feature_test_cxx_static_assert "${MSVC_2010}")
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set(_cmake_feature_test_cxx_template_template_parameters "${MSVC_2010}")
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set(_cmake_feature_test_cxx_trailing_return_types "${MSVC_2010}")
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set(_cmake_feature_test_cxx_variadic_macros "${MSVC_2010}")
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# Currently unsupported:
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# http://herbsutter.com/2013/11/18/visual-c-compiler-november-2013-ctp/
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# http://blogs.msdn.com/b/vcblog/archive/2014/11/17/c-11-14-17-features-in-vs-2015-preview.aspx
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# set(_cmake_feature_test_cxx_reference_qualified_functions )
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# set(_cmake_feature_test_cxx_constexpr )
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# set(_cmake_feature_test_cxx_attributes )
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# set(_cmake_feature_test_cxx_aggregate_default_initializers )
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# set(_cmake_feature_test_cxx_attribute_deprecated )
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# set(_cmake_feature_test_cxx_defaulted_move_initializers )
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# set(_cmake_feature_test_cxx_nonstatic_member_init )
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# set(_cmake_feature_test_cxx_relaxed_constexpr )
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# set(_cmake_feature_test_cxx_variable_templates )
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# Unset all the variables that we don't need exposed.
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# _cmake_oldestSupported is required by WriteCompilerDetectionHeader
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set(MSVC_2015)
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set(MSVC_2013)
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set(MSVC_2012)
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set(MSVC_2010)
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@ -3,5 +3,3 @@ if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 18.0)
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set(_FS_C " /FS")
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endif()
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__windows_compiler_msvc(C)
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set(CMAKE_C_STANDARD_DEFAULT 90)
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@ -4,12 +4,3 @@ if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 18.0)
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set(_FS_CXX " /FS")
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endif()
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__windows_compiler_msvc(CXX)
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# No version of MSVC has full conformance to C++11. Therefore the
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# __cplusplus macro always evaluates to 98 even if the compilers come with
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# C++11/14/+ features enabled.
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set(CMAKE_CXX_STANDARD_DEFAULT 98)
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macro(cmake_record_cxx_compile_features)
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record_compiler_features(CXX "" CMAKE_CXX_COMPILE_FEATURES)
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endmacro()
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# PREFIX ClimbingStats
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# OUTPUT_FILES_VAR support_files
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# OUTPUT_DIR compilers
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# COMPILERS GNU Clang MSVC
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# COMPILERS GNU Clang
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# FEATURES cxx_variadic_templates
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# )
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# install(FILES
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# write_compiler_detection_header(
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# FILE climbingstats_compiler_detection.h
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# PREFIX ClimbingStats
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# COMPILERS GNU Clang AppleClang MSVC
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# COMPILERS GNU Clang AppleClang
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# FEATURES cxx_variadic_templates
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# )
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#
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@ -316,7 +316,6 @@ function(write_compiler_detection_header
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GNU
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Clang
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AppleClang
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MSVC
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)
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set(_hex_compilers ADSP Borland Embarcadero SunPro)
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@ -26,18 +26,7 @@ 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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if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
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list(REMOVE_ITEM cxx_features
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# This test requires auto return type deduction to work properly, but
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# that is not supported by all versions of MSVC that support decltype
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# incomplete return types.
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cxx_decltype_incomplete_return_types
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)
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endif()
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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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)
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endif()
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set(MSVC_)
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if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" AND
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MSVC_VERSION LESS 1800)
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list(REMOVE_ITEM CXX_non_features
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# Microsoft only officially supports this feature in VS2013 and above, due
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# to new wording of the proposal. We don't test for this with MSVC because
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# older compiler pass the test but might not actually conform
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cxx_contextual_conversions
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)
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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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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=$<COMPILE_FEATURES:cxx_final,cxx_override>
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HAVE_NULLPTR=$<COMPILE_FEATURES:cxx_nullptr>
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virtual int getA() { return 7; }
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};
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struct B : A
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struct B final : A
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{
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int getA() override { return 42; }
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};
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@ -11,7 +11,7 @@ get_property(c_known_features GLOBAL PROPERTY CMAKE_C_KNOWN_FEATURES)
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write_compiler_detection_header(
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FILE "${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h"
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PREFIX TEST
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COMPILERS GNU Clang AppleClang MSVC
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COMPILERS GNU Clang AppleClang
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VERSION 3.1
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PROLOG "// something"
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EPILOG "// more"
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@ -64,18 +64,6 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
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list(APPEND false_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES)
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endif()
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# for msvc the compiler version determines which c++11 features are available.
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# Both variadic templates and delegating constructors support exist in
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# all versions that we write compile headers for.
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if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" AND
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";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";cxx_delegating_constructors;")
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list(APPEND true_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS)
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list(APPEND true_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES)
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else(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
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list(APPEND false_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS)
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list(APPEND false_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES)
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endif()
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if (CMAKE_C_COMPILER_ID STREQUAL "GNU"
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OR CMAKE_C_COMPILER_ID STREQUAL "Clang"
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OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
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PREFIX MULTI
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OUTPUT_FILES_VAR multi_files
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OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files/compiler_support"
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COMPILERS GNU Clang AppleClang MSVC
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COMPILERS GNU Clang AppleClang
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VERSION 3.1
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FEATURES
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${cxx_known_features} ${c_known_features}
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@ -27,13 +27,8 @@ if (NOT CXX_FEATURES)
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run_cmake(NoSupportedCxxFeatures)
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run_cmake(NoSupportedCxxFeaturesGenex)
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else()
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# compilers such as MSVC have no explicit flags to enable c++11 mode.
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# Instead they come with all c++11 features implicitly enabled.
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# So for those types of compilers this tests is not applicable.
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if(CMAKE_CXX11_STANDARD_COMPILE_OPTION)
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run_cmake(LinkImplementationFeatureCycle)
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run_cmake(LinkImplementationFeatureCycleSolved)
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endif()
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if (";${CXX_FEATURES};" MATCHES ";cxx_final;")
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set(RunCMake_TEST_OPTIONS "-DHAVE_FINAL=1")
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