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Diffstat (limited to 'Modules/Compiler/MSVC-CXX-FeatureTests.cmake')
| -rw-r--r-- | Modules/Compiler/MSVC-CXX-FeatureTests.cmake | 117 |
1 files changed, 117 insertions, 0 deletions
diff --git a/Modules/Compiler/MSVC-CXX-FeatureTests.cmake b/Modules/Compiler/MSVC-CXX-FeatureTests.cmake new file mode 100644 index 000000000..596958668 --- /dev/null +++ b/Modules/Compiler/MSVC-CXX-FeatureTests.cmake @@ -0,0 +1,117 @@ + +# Reference: http://msdn.microsoft.com/en-us/library/vstudio/hh567368.aspx +# http://blogs.msdn.com/b/vcblog/archive/2013/06/28/c-11-14-stl-features-fixes-and-breaking-changes-in-vs-2013.aspx +# http://blogs.msdn.com/b/vcblog/archive/2014/11/17/c-11-14-17-features-in-vs-2015-preview.aspx +# http://www.visualstudio.com/en-us/news/vs2015-preview-vs.aspx +# http://blogs.msdn.com/b/vcblog/archive/2015/04/29/c-11-14-17-features-in-vs-2015-rc.aspx +# http://blogs.msdn.com/b/vcblog/archive/2015/06/19/c-11-14-17-features-in-vs-2015-rtm.aspx + + +set(_cmake_oldestSupported "_MSC_VER >= 1600") + +# VS version 15 (not 2015) introduces support for aggregate initializers. +set(_cmake_feature_test_cxx_aggregate_default_initializers "_MSC_FULL_VER >= 190024406") + +# VS 2015 Update 2 introduces support for variable templates. +# https://www.visualstudio.com/en-us/news/vs2015-update2-vs.aspx +set(_cmake_feature_test_cxx_variable_templates "_MSC_FULL_VER >= 190023918") + +set(MSVC_2015 "_MSC_VER >= 1900") +set(_cmake_feature_test_cxx_alignas "${MSVC_2015}") +set(_cmake_feature_test_cxx_alignof "${MSVC_2015}") +set(_cmake_feature_test_cxx_attributes "${MSVC_2015}") +set(_cmake_feature_test_cxx_attribute_deprecated "${MSVC_2015}") +set(_cmake_feature_test_cxx_binary_literals "${MSVC_2015}") +set(_cmake_feature_test_cxx_constexpr "${MSVC_2015}") +set(_cmake_feature_test_cxx_decltype_auto "${MSVC_2015}") +set(_cmake_feature_test_cxx_digit_separators "${MSVC_2015}") +set(_cmake_feature_test_cxx_func_identifier "${MSVC_2015}") +set(_cmake_feature_test_cxx_nonstatic_member_init "${MSVC_2015}") +# Microsoft calls this 'rvalue references v3' +set(_cmake_feature_test_cxx_defaulted_move_initializers "${MSVC_2015}") +set(_cmake_feature_test_cxx_generic_lambdas "${MSVC_2015}") +set(_cmake_feature_test_cxx_inheriting_constructors "${MSVC_2015}") +set(_cmake_feature_test_cxx_inline_namespaces "${MSVC_2015}") +set(_cmake_feature_test_cxx_lambda_init_captures "${MSVC_2015}") +set(_cmake_feature_test_cxx_noexcept "${MSVC_2015}") +set(_cmake_feature_test_cxx_return_type_deduction "${MSVC_2015}") +set(_cmake_feature_test_cxx_sizeof_member "${MSVC_2015}") +set(_cmake_feature_test_cxx_thread_local "${MSVC_2015}") +set(_cmake_feature_test_cxx_unicode_literals "${MSVC_2015}") +set(_cmake_feature_test_cxx_unrestricted_unions "${MSVC_2015}") +set(_cmake_feature_test_cxx_user_literals "${MSVC_2015}") +set(_cmake_feature_test_cxx_reference_qualified_functions "${MSVC_2015}") +# "The copies and moves don't interact precisely like the Standard says they +# should. For example, deletion of moves is specified to also suppress +# copies, but Visual C++ in Visual Studio 2013 does not." +# http://blogs.msdn.com/b/vcblog/archive/2014/11/17/c-11-14-17-features-in-vs-2015-preview.aspx +# lists this as 'partial' in 2013 +set(_cmake_feature_test_cxx_deleted_functions "${MSVC_2015}") + +set(MSVC_2013_v30723 "_MSC_FULL_VER >= 180030723") +# http://blogs.msdn.com/b/vcblog/archive/2014/11/17/c-11-14-17-features-in-vs-2015-preview.aspx +# Note 1. While previous version of VisualStudio said they supported these +# they silently produced bad code, and are now marked as having partial +# support in previous versions. The footnote says the support will be complete +# in MSVC 2015, so support the feature for that version, assuming that is true. +# The blog post also says that VS 2013 Update 3 generates an error in cases +# that previously produced bad code. +set(_cmake_feature_test_cxx_generalized_initializers "${MSVC_2013_v30723}") + +set(MSVC_2013 "_MSC_VER >= 1800") +set(_cmake_feature_test_cxx_alias_templates "${MSVC_2013}") +# Microsoft now states they support contextual conversions in 2013 and above. +# See footnote 6 at: +# http://blogs.msdn.com/b/vcblog/archive/2014/11/17/c-11-14-17-features-in-vs-2015-preview.aspx +set(_cmake_feature_test_cxx_contextual_conversions "${MSVC_2013}") +set(_cmake_feature_test_cxx_default_function_template_args "${MSVC_2013}") +set(_cmake_feature_test_cxx_defaulted_functions "${MSVC_2013}") +set(_cmake_feature_test_cxx_delegating_constructors "${MSVC_2013}") +set(_cmake_feature_test_cxx_explicit_conversions "${MSVC_2013}") +set(_cmake_feature_test_cxx_raw_string_literals "${MSVC_2013}") +set(_cmake_feature_test_cxx_uniform_initialization "${MSVC_2013}") +# Support is documented, but possibly partly broken: +# https://msdn.microsoft.com/en-us/library/hh567368.aspx +# http://thread.gmane.org/gmane.comp.lib.boost.devel/244986/focus=245333 +set(_cmake_feature_test_cxx_variadic_templates "${MSVC_2013}") + +set(MSVC_2012 "_MSC_VER >= 1700") +set(_cmake_feature_test_cxx_enum_forward_declarations "${MSVC_2012}") +set(_cmake_feature_test_cxx_final "${MSVC_2012}") +set(_cmake_feature_test_cxx_range_for "${MSVC_2012}") +set(_cmake_feature_test_cxx_strong_enums "${MSVC_2012}") + +set(MSVC_2010 "_MSC_VER >= 1600") +set(_cmake_feature_test_cxx_auto_type "${MSVC_2010}") +set(_cmake_feature_test_cxx_decltype "${MSVC_2010}") +set(_cmake_feature_test_cxx_extended_friend_declarations "${MSVC_2010}") +set(_cmake_feature_test_cxx_extern_templates "${MSVC_2010}") +set(_cmake_feature_test_cxx_lambdas "${MSVC_2010}") +set(_cmake_feature_test_cxx_local_type_template_args "${MSVC_2010}") +set(_cmake_feature_test_cxx_long_long_type "${MSVC_2010}") +set(_cmake_feature_test_cxx_nullptr "${MSVC_2010}") +set(_cmake_feature_test_cxx_override "${MSVC_2010}") +set(_cmake_feature_test_cxx_right_angle_brackets "${MSVC_2010}") +set(_cmake_feature_test_cxx_rvalue_references "${MSVC_2010}") +set(_cmake_feature_test_cxx_static_assert "${MSVC_2010}") +set(_cmake_feature_test_cxx_template_template_parameters "${MSVC_2010}") +set(_cmake_feature_test_cxx_trailing_return_types "${MSVC_2010}") +set(_cmake_feature_test_cxx_variadic_macros "${MSVC_2010}") + +# Currently unsupported: +# set(_cmake_feature_test_cxx_relaxed_constexpr ) +# 'NSDMIs for aggregates' +# set(_cmake_feature_test_cxx_aggregate_default_initializers ) + +# In theory decltype incomplete return types was added in 2012 +# but without support for decltype_auto and return type deduction this +# feature is unusable. This remains so as of VS 2015 Preview. +# set(_cmake_feature_test_cxx_decltype_incomplete_return_types ) + +# Unset all the variables that we don't need exposed. +# _cmake_oldestSupported is required by WriteCompilerDetectionHeader +set(MSVC_2015) +set(MSVC_2013_v30723) +set(MSVC_2013) +set(MSVC_2012) +set(MSVC_2010) |