Commit 0b7e7e27 authored by Brad King's avatar Brad King

Revert topic 'feature_record_msvc'

Revert commits:

 2d738ce3 Help: Add notes for topic 'feature_record_msvc'
 f73718c9 Features: Enable writing of MSVC compiler feature header.
 64c30bdc Features: Record for MSVC C++ 2015 and MSVC C 2010-2015.
 225c0ef8 Features: Record for MSVC 2010-2013.

This topic was merged to master prematurely, so remove it.
parent 2d738ce3
feature_record_msvc
-------------------
* The :manual:`Compile Features <cmake-compile-features(7)>` functionality
is now aware of features supported by Visual Studio 2010 and above
(``MSVC``).
# 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
set(_cmake_oldestSupported "_MSC_VER >= 1300")
set(MSVC_2010 "_MSC_VER >= 1600")
set(_cmake_feature_test_c_static_assert "${MSVC_2010}")
set(_cmake_feature_test_c_variadic_macros "${MSVC_2010}")
set(MSVC_2003 "_MSC_VER >= 1300")
set(_cmake_feature_test_c_function_prototypes "${MSVC_2003}")
# Currently unsupported:
# restrict requires the __restrict syntax in msvc
# set(_cmake_feature_test_c_restrict)
# Unset all the variables that we don't need exposed.
# _cmake_oldestSupported is required by WriteCompilerDetectionHeader
set(MSVC_2010)
set(MSVC_2003)
\ No newline at end of file
# Reference: http://msdn.microsoft.com/en-us/library/vstudio/hh567368.aspx
# http://blogs.msdn.com/b/vcblog/archive/2013/06/28/c-11-14-stl-features-fixes-and-breaking-changes-in-vs-2013.aspx
# http://blogs.msdn.com/b/vcblog/archive/2014/11/17/c-11-14-17-features-in-vs-2015-preview.aspx
# http://www.visualstudio.com/en-us/news/vs2015-preview-vs.aspx
set(_cmake_oldestSupported "_MSC_VER >= 1600")
set(MSVC_2015 "_MSC_VER >= 1900")
set(_cmake_feature_test_cxx_alignas "${MSVC_2015}")
set(_cmake_feature_test_cxx_alignof "${MSVC_2015}")
set(_cmake_feature_test_cxx_binary_literals "${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 "${MSVC_2015}")
# http://blogs.msdn.com/b/vcblog/archive/2014/11/17/c-11-14-17-features-in-vs-2015-preview.aspx
# Note 1. While previous version of VisualStudio said they supported this
# they silently produced bad code, and are now marked as having partial
# support
set(_cmake_feature_test_cxx_generalized_initializers "${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 "${MSVC_2015}")
set(MSVC_2013 "_MSC_VER >= 1800")
set(_cmake_feature_test_cxx_alias_templates "${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 "${MSVC_2013}")
set(_cmake_feature_test_cxx_deleted_functions "${MSVC_2013}")
set(_cmake_feature_test_cxx_explicit_conversions "${MSVC_2013}")
set(_cmake_feature_test_cxx_nonstatic_member_init "${MSVC_2013}")
set(_cmake_feature_test_cxx_raw_string_literals "${MSVC_2013}")
set(_cmake_feature_test_cxx_uniform_initialization "${MSVC_2013}")
# Possibly broken:
# http://thread.gmane.org/gmane.comp.lib.boost.devel/244986/focus=245333
set(_cmake_feature_test_cxx_variadic_templates "${MSVC_2013}")
# Microsoft now states they support contextual conversions
# see footnote 6 at:
# http://blogs.msdn.com/b/vcblog/archive/2014/11/17/c-11-14-17-features-in-vs-2015-preview.aspx
set(_cmake_feature_test_cxx_contextual_conversions "${MSVC_2013}")
set(MSVC_2012 "_MSC_VER >= 1700")
set(_cmake_feature_test_cxx_decltype_incomplete_return_types "${MSVC_2012}")
set(_cmake_feature_test_cxx_enum_forward_declarations "${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 "${MSVC_2012}")
set(MSVC_2010 "_MSC_VER >= 1600")
set(_cmake_feature_test_cxx_auto_function "${MSVC_2010}")
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:
# http://herbsutter.com/2013/11/18/visual-c-compiler-november-2013-ctp/
# 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_reference_qualified_functions )
# set(_cmake_feature_test_cxx_constexpr )
# set(_cmake_feature_test_cxx_attributes )
# set(_cmake_feature_test_cxx_aggregate_default_initializers )
# set(_cmake_feature_test_cxx_attribute_deprecated )
# set(_cmake_feature_test_cxx_defaulted_move_initializers )
# set(_cmake_feature_test_cxx_nonstatic_member_init )
# set(_cmake_feature_test_cxx_relaxed_constexpr )
# set(_cmake_feature_test_cxx_variable_templates )
# Unset all the variables that we don't need exposed.
# _cmake_oldestSupported is required by WriteCompilerDetectionHeader
set(MSVC_2015)
set(MSVC_2013)
set(MSVC_2012)
set(MSVC_2010)
......@@ -3,5 +3,3 @@ if(NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 18.0)
set(_FS_C " /FS")
endif()
__windows_compiler_msvc(C)
set(CMAKE_C_STANDARD_DEFAULT 90)
......@@ -4,12 +4,3 @@ if(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 18.0)
set(_FS_CXX " /FS")
endif()
__windows_compiler_msvc(CXX)
# No version of MSVC has full conformance to C++11. Therefore the
# __cplusplus macro always evaluates to 98 even if the compilers come with
# C++11/14/+ features enabled.
set(CMAKE_CXX_STANDARD_DEFAULT 98)
macro(cmake_record_cxx_compile_features)
record_compiler_features(CXX "" CMAKE_CXX_COMPILE_FEATURES)
endmacro()
......@@ -36,7 +36,7 @@
# PREFIX ClimbingStats
# OUTPUT_FILES_VAR support_files
# OUTPUT_DIR compilers
# COMPILERS GNU Clang MSVC
# COMPILERS GNU Clang
# FEATURES cxx_variadic_templates
# )
# install(FILES
......@@ -100,7 +100,7 @@
# write_compiler_detection_header(
# FILE climbingstats_compiler_detection.h
# PREFIX ClimbingStats
# COMPILERS GNU Clang AppleClang MSVC
# COMPILERS GNU Clang AppleClang
# FEATURES cxx_variadic_templates
# )
#
......@@ -316,7 +316,6 @@ function(write_compiler_detection_header
GNU
Clang
AppleClang
MSVC
)
set(_hex_compilers ADSP Borland Embarcadero SunPro)
......
......@@ -26,18 +26,7 @@ get_property(c_features GLOBAL PROPERTY CMAKE_C_KNOWN_FEATURES)
foreach(feature ${c_features})
run_test(${feature} C)
endforeach()
get_property(cxx_features GLOBAL PROPERTY CMAKE_CXX_KNOWN_FEATURES)
if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
list(REMOVE_ITEM cxx_features
# This test requires auto return type deduction to work properly, but
# that is not supported by all versions of MSVC that support decltype
# incomplete return types.
cxx_decltype_incomplete_return_types
)
endif()
foreach(feature ${cxx_features})
run_test(${feature} CXX)
endforeach()
......@@ -64,17 +53,6 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
)
endif()
set(MSVC_)
if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" AND
MSVC_VERSION LESS 1800)
list(REMOVE_ITEM CXX_non_features
# Microsoft only officially supports this feature in VS2013 and above, due
# to new wording of the proposal. We don't test for this with MSVC because
# older compiler pass the test but might not actually conform
cxx_contextual_conversions
)
endif()
set(C_ext c)
set(C_standard_flag 11)
set(CXX_ext cpp)
......@@ -148,7 +126,6 @@ if (CMAKE_CXX_COMPILE_FEATURES)
add_executable(CompileFeaturesGenex genex_test.cpp)
set_property(TARGET CompileFeaturesGenex PROPERTY CXX_STANDARD 11)
target_compile_definitions(CompileFeaturesGenex PRIVATE
HAVE_OVERRIDE_CONTROL=$<COMPILE_FEATURES:cxx_final,cxx_override>
HAVE_NULLPTR=$<COMPILE_FEATURES:cxx_nullptr>
......
......@@ -10,7 +10,7 @@ struct A
virtual int getA() { return 7; }
};
struct B : A
struct B final : A
{
int getA() override { return 42; }
};
......
......@@ -11,7 +11,7 @@ get_property(c_known_features GLOBAL PROPERTY CMAKE_C_KNOWN_FEATURES)
write_compiler_detection_header(
FILE "${CMAKE_CURRENT_BINARY_DIR}/test_compiler_detection.h"
PREFIX TEST
COMPILERS GNU Clang AppleClang MSVC
COMPILERS GNU Clang AppleClang
VERSION 3.1
PROLOG "// something"
EPILOG "// more"
......@@ -64,18 +64,6 @@ if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
list(APPEND false_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES)
endif()
# for msvc the compiler version determines which c++11 features are available.
# Both variadic templates and delegating constructors support exist in
# all versions that we write compile headers for.
if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC" AND
";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";cxx_delegating_constructors;")
list(APPEND true_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS)
list(APPEND true_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES)
else(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
list(APPEND false_defs EXPECTED_COMPILER_CXX_DELEGATING_CONSTRUCTORS)
list(APPEND false_defs EXPECTED_COMPILER_CXX_VARIADIC_TEMPLATES)
endif()
if (CMAKE_C_COMPILER_ID STREQUAL "GNU"
OR CMAKE_C_COMPILER_ID STREQUAL "Clang"
OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
......@@ -93,7 +81,7 @@ write_compiler_detection_header(
PREFIX MULTI
OUTPUT_FILES_VAR multi_files
OUTPUT_DIR "${CMAKE_CURRENT_BINARY_DIR}/compiler_multi_files/compiler_support"
COMPILERS GNU Clang AppleClang MSVC
COMPILERS GNU Clang AppleClang
VERSION 3.1
FEATURES
${cxx_known_features} ${c_known_features}
......
......@@ -27,13 +27,8 @@ if (NOT CXX_FEATURES)
run_cmake(NoSupportedCxxFeatures)
run_cmake(NoSupportedCxxFeaturesGenex)
else()
# compilers such as MSVC have no explicit flags to enable c++11 mode.
# Instead they come with all c++11 features implicitly enabled.
# So for those types of compilers this tests is not applicable.
if(CMAKE_CXX11_STANDARD_COMPILE_OPTION)
run_cmake(LinkImplementationFeatureCycle)
run_cmake(LinkImplementationFeatureCycleSolved)
endif()
run_cmake(LinkImplementationFeatureCycle)
run_cmake(LinkImplementationFeatureCycleSolved)
if (";${CXX_FEATURES};" MATCHES ";cxx_final;")
set(RunCMake_TEST_OPTIONS "-DHAVE_FINAL=1")
......
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