Tests/CompileFeatures/CMakeLists.txt - third_party/cmake - Git at Google


 cmake_minimum_required(VERSION 3.1)

 project(CompileFeatures)

 if (NOT CMAKE_C_COMPILE_FEATURES AND NOT CMAKE_CXX_COMPILE_FEATURES)
   file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp"
     "int main(int,char**) { return 0; }\n"
   )
   add_executable(CompileFeatures "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp")
   return()
 endif()

 macro(run_test feature lang)
   if (";${CMAKE_${lang}_COMPILE_FEATURES};" MATCHES ${feature})
     add_library(test_${feature} OBJECT ${feature})
     set_property(TARGET test_${feature}
       PROPERTY COMPILE_FEATURES "${feature}"
     )
   else()
     list(APPEND ${lang}_non_features ${feature})
   endif()
 endmacro()

 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)
 foreach(feature ${cxx_features})
   run_test(${feature} CXX)
 endforeach()

 if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang"
     AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.1)
   # AppleClang prior to 5.1 does not set any preprocessor define to distinguish
   # c++1y from c++11, so CMake does not support c++1y features before AppleClang 5.1.
   list(REMOVE_ITEM CXX_non_features
     cxx_attribute_deprecated
     cxx_binary_literals
   )
 endif()

 if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang"
     AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.2)
   # AppleClang prior to 4.1 reports false for __has_feature(cxx_local_type_template_args)
   # and __has_feature(cxx_unrestricted_unions) but it happens to pass these tests.
   list(REMOVE_ITEM CXX_non_features
     cxx_local_type_template_args
     cxx_unrestricted_unions
   )
 endif()

 if (CMAKE_CXX_COMPILER_ID STREQUAL SunPro)
   list(REMOVE_ITEM CXX_non_features
     cxx_attribute_deprecated
     cxx_contextual_conversions
     cxx_extended_friend_declarations
     cxx_long_long_type
     cxx_sizeof_member
     cxx_variadic_macros
   )
 endif()

 if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
     AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.5)
   # The cxx_raw_string_literals feature happens to work in some distributions
   # of GNU 4.4, but it is first documented as available with GNU 4.5.
   list(REMOVE_ITEM CXX_non_features
     cxx_raw_string_literals
   )
 endif()
 if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
     AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.6)
   # The cxx_constexpr feature happens to work (for *this* testcase) with
   # GNU 4.5, but it is first documented as available with GNU 4.6.
   list(REMOVE_ITEM CXX_non_features
     cxx_constexpr
   )
 endif()
 if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
     AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
   # The cxx_alignof feature happens to work (for *this* testcase) with
   # GNU 4.7, but it is first documented as available with GNU 4.8.
   list(REMOVE_ITEM CXX_non_features
     cxx_alignof
   )
 endif()
 if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
     AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)
   # GNU prior to 4.9 does not set any preprocessor define to distinguish
   # c++1y from c++11, so CMake does not support c++1y features before GNU 4.9.
   list(REMOVE_ITEM CXX_non_features
     # GNU 4.8 knows cxx_attributes, but doesn't know [[deprecated]]
     # and warns that it is unknown and ignored.
     cxx_attribute_deprecated
     cxx_binary_literals
     cxx_lambda_init_captures
     cxx_return_type_deduction
   )
 endif()

 if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
   if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 18.0)
     list(REMOVE_ITEM CXX_non_features
       # The cxx_contextual_conversions feature happens to work
       # (for *this* testcase) with VS 2010 and VS 2012, but
       # they do not document support until VS 2013.
       cxx_contextual_conversions
       )
   elseif (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.0)
     list(REMOVE_ITEM CXX_non_features
       # The cxx_deleted_functions and cxx_nonstatic_member_init
       # features happen to work (for *this* testcase) with VS 2013,
       # but they do not document support until VS 2015.
       cxx_deleted_functions
       cxx_nonstatic_member_init
       )
   endif()
 endif()

 set(C_ext c)
 set(C_standard_flag 11)
 set(CXX_ext cpp)
 set(CXX_standard_flag 14)
 foreach(lang CXX C)
   if (CMAKE_${lang}_COMPILE_FEATURES)
     foreach(feature ${${lang}_non_features})
       message("Testing feature : ${feature}")
       try_compile(${feature}_works
         "${CMAKE_CURRENT_BINARY_DIR}/${feature}_test"
         "${CMAKE_CURRENT_SOURCE_DIR}/feature_test.${${lang}_ext}"
         COMPILE_DEFINITIONS "-DTEST=${feature}.${${lang}_ext}"
         CMAKE_FLAGS "-DCMAKE_${lang}_STANDARD=${${lang}_standard_flag}"
           "-DINCLUDE_DIRECTORIES=${CMAKE_CURRENT_SOURCE_DIR}"
         OUTPUT_VARIABLE OUTPUT
       )
       if (${feature}_works)
         message(SEND_ERROR
           "Feature ${feature} expected not to work for ${lang} ${CMAKE_${lang}_COMPILER_ID}-${CMAKE_${lang}_COMPILER_VERSION}.
   Update the supported features or blacklist it.\n${OUTPUT}")
       else()
         message("Testing feature : ${feature} -- Fails, as expected.")
       endif()
     endforeach()
   endif()
 endforeach()

 if (CMAKE_C_COMPILE_FEATURES)
   if (CMAKE_C_STANDARD_DEFAULT)
     string(FIND "${CMAKE_C_FLAGS}" "-std=" std_flag_idx)
     if (std_flag_idx EQUAL -1)
       add_executable(default_dialect_C default_dialect.c)
       target_compile_definitions(default_dialect_C PRIVATE
         DEFAULT_C11=$<EQUAL:${CMAKE_C_STANDARD_DEFAULT},11>
         DEFAULT_C99=$<EQUAL:${CMAKE_C_STANDARD_DEFAULT},99>
         DEFAULT_C90=$<EQUAL:${CMAKE_C_STANDARD_DEFAULT},90>
       )
     endif()
   endif()

   add_executable(CompileFeaturesGenex_C genex_test.c)
   set_property(TARGET CompileFeaturesGenex_C PROPERTY C_STANDARD 11)

   if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
     if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.6)
       list(APPEND expected_defs
         EXPECT_C_STATIC_ASSERT=1
       )
     else()
       list(APPEND expected_defs
         EXPECT_C_STATIC_ASSERT=0
       )
     endif()
   elseif(CMAKE_C_COMPILER_ID STREQUAL "Clang"
       OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
     list(APPEND expected_defs
       EXPECT_C_STATIC_ASSERT=1
     )
   endif()

   list(APPEND expected_defs
     EXPECT_C_FUNCTION_PROTOTYPES=1
     EXPECT_C_RESTRICT=1
   )

   target_compile_definitions(CompileFeaturesGenex_C PRIVATE
     HAVE_C_FUNCTION_PROTOTYPES=$<COMPILE_FEATURES:c_function_prototypes>
     HAVE_C_RESTRICT=$<COMPILE_FEATURES:c_restrict>
     HAVE_C_STATIC_ASSERT=$<COMPILE_FEATURES:c_static_assert>
     ${expected_defs}
   )
 endif()

 if (CMAKE_CXX_COMPILE_FEATURES)
   if (CMAKE_CXX_STANDARD_DEFAULT)
     string(FIND "${CMAKE_CXX_FLAGS}" "-std=" std_flag_idx)
     if (std_flag_idx EQUAL -1)
       add_executable(default_dialect default_dialect.cpp)
       target_compile_definitions(default_dialect PRIVATE
         DEFAULT_CXX14=$<EQUAL:${CMAKE_CXX_STANDARD_DEFAULT},14>
         DEFAULT_CXX11=$<EQUAL:${CMAKE_CXX_STANDARD_DEFAULT},11>
         DEFAULT_CXX98=$<EQUAL:${CMAKE_CXX_STANDARD_DEFAULT},98>
       )
     endif()
   endif()

   add_executable(CompileFeatures main.cpp)
   set_property(TARGET CompileFeatures
     PROPERTY COMPILE_FEATURES "cxx_auto_type"
   )
   set_property(TARGET CompileFeatures
     PROPERTY CXX_STANDARD_REQUIRED TRUE
   )

   add_executable(GenexCompileFeatures main.cpp)
   set_property(TARGET GenexCompileFeatures
     PROPERTY COMPILE_FEATURES "$<1:cxx_auto_type>;$<0:not_a_feature>"
   )

   add_library(iface INTERFACE)
   set_property(TARGET iface
     PROPERTY INTERFACE_COMPILE_FEATURES "cxx_auto_type"
   )
   add_executable(IfaceCompileFeatures main.cpp)
   target_link_libraries(IfaceCompileFeatures iface)

   if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
     if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
       add_definitions(
         -DEXPECT_OVERRIDE_CONTROL=1
         -DEXPECT_INHERITING_CONSTRUCTORS=1
         -DEXPECT_FINAL=1
         -DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=1
       )
     elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.7)
       add_definitions(
         -DEXPECT_OVERRIDE_CONTROL=1
         -DEXPECT_INHERITING_CONSTRUCTORS=0
         -DEXPECT_FINAL=1
         -DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=0
       )
     else()
       add_definitions(
         -DEXPECT_OVERRIDE_CONTROL=0
         -DEXPECT_INHERITING_CONSTRUCTORS=0
         -DEXPECT_FINAL=0
         -DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=0
       )
     endif()
   elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
     add_definitions(
       -DEXPECT_OVERRIDE_CONTROL=1
       -DEXPECT_INHERITING_CONSTRUCTORS=1
       -DEXPECT_FINAL=1
       -DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=1
     )
   elseif(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
     if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
       add_definitions(
         -DEXPECT_OVERRIDE_CONTROL=1
         -DEXPECT_INHERITING_CONSTRUCTORS=1
         -DEXPECT_FINAL=1
         -DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=1
       )
     else()
       add_definitions(
         -DEXPECT_OVERRIDE_CONTROL=1
         -DEXPECT_INHERITING_CONSTRUCTORS=0
         -DEXPECT_FINAL=1
         -DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=0
       )
     endif()
   elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
     if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.0)
       add_definitions(
         -DEXPECT_OVERRIDE_CONTROL=1
         -DEXPECT_INHERITING_CONSTRUCTORS=1
         -DEXPECT_FINAL=1
         -DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=1
       )
     elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 17.0)
       add_definitions(
         -DEXPECT_OVERRIDE_CONTROL=1
         -DEXPECT_INHERITING_CONSTRUCTORS=0
         -DEXPECT_FINAL=1
         -DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=0
       )
     else()
       add_definitions(
         -DEXPECT_OVERRIDE_CONTROL=0
         -DEXPECT_INHERITING_CONSTRUCTORS=0
         -DEXPECT_FINAL=0
         -DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=0
       )
     endif()
   elseif (CMAKE_CXX_COMPILER_ID STREQUAL "SunPro")
     add_definitions(
       -DEXPECT_OVERRIDE_CONTROL=1
       -DEXPECT_INHERITING_CONSTRUCTORS=1
       -DEXPECT_FINAL=1
       -DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=1
     )
   endif()

   add_executable(CompileFeaturesGenex genex_test.cpp)
   set_property(TARGET CompileFeaturesGenex PROPERTY CXX_STANDARD 11)
   target_compile_definitions(CompileFeaturesGenex PRIVATE
     HAVE_OVERRIDE_CONTROL=$<COMPILE_FEATURES:cxx_final,cxx_override>
     HAVE_AUTO_TYPE=$<COMPILE_FEATURES:cxx_auto_type>
     HAVE_INHERITING_CONSTRUCTORS=$<COMPILE_FEATURES:cxx_inheriting_constructors>
     HAVE_FINAL=$<COMPILE_FEATURES:cxx_final>
     HAVE_INHERITING_CONSTRUCTORS_AND_FINAL=$<COMPILE_FEATURES:cxx_inheriting_constructors,cxx_final>
   )

   add_executable(CompileFeaturesGenex2 genex_test.cpp)
   target_compile_features(CompileFeaturesGenex2 PRIVATE cxx_static_assert)
   target_compile_definitions(CompileFeaturesGenex2 PRIVATE
     HAVE_OVERRIDE_CONTROL=$<COMPILE_FEATURES:cxx_final,cxx_override>
     HAVE_AUTO_TYPE=$<COMPILE_FEATURES:cxx_auto_type>
     HAVE_INHERITING_CONSTRUCTORS=$<COMPILE_FEATURES:cxx_inheriting_constructors>
     HAVE_FINAL=$<COMPILE_FEATURES:cxx_final>
     HAVE_INHERITING_CONSTRUCTORS_AND_FINAL=$<COMPILE_FEATURES:cxx_inheriting_constructors,cxx_final>
   )

   add_library(static_assert_iface INTERFACE)
   target_compile_features(static_assert_iface INTERFACE cxx_static_assert)
   add_executable(CompileFeaturesGenex3 genex_test.cpp)
   target_link_libraries(CompileFeaturesGenex3 PRIVATE static_assert_iface)
   target_compile_definitions(CompileFeaturesGenex3 PRIVATE
     HAVE_OVERRIDE_CONTROL=$<COMPILE_FEATURES:cxx_final,cxx_override>
     HAVE_AUTO_TYPE=$<COMPILE_FEATURES:cxx_auto_type>
     HAVE_INHERITING_CONSTRUCTORS=$<COMPILE_FEATURES:cxx_inheriting_constructors>
     HAVE_FINAL=$<COMPILE_FEATURES:cxx_final>
     HAVE_INHERITING_CONSTRUCTORS_AND_FINAL=$<COMPILE_FEATURES:cxx_inheriting_constructors,cxx_final>
   )
 endif()

	cmake_minimum_required(VERSION 3.1)

	project(CompileFeatures)

	if (NOT CMAKE_C_COMPILE_FEATURES AND NOT CMAKE_CXX_COMPILE_FEATURES)
	file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp"
	"int main(int,char**) { return 0; }\n"
	)
	add_executable(CompileFeatures "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp")
	return()
	endif()

	macro(run_test feature lang)
	if (";${CMAKE_${lang}_COMPILE_FEATURES};" MATCHES ${feature})
	add_library(test_${feature} OBJECT ${feature})
	set_property(TARGET test_${feature}
	PROPERTY COMPILE_FEATURES "${feature}"
	)
	else()
	list(APPEND ${lang}_non_features ${feature})
	endif()
	endmacro()

	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)
	foreach(feature ${cxx_features})
	run_test(${feature} CXX)
	endforeach()

	if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang"
	AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.1)
	# AppleClang prior to 5.1 does not set any preprocessor define to distinguish
	# c++1y from c++11, so CMake does not support c++1y features before AppleClang 5.1.
	list(REMOVE_ITEM CXX_non_features
	cxx_attribute_deprecated
	cxx_binary_literals
	)
	endif()

	if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang"
	AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.2)
	# AppleClang prior to 4.1 reports false for __has_feature(cxx_local_type_template_args)
	# and __has_feature(cxx_unrestricted_unions) but it happens to pass these tests.
	list(REMOVE_ITEM CXX_non_features
	cxx_local_type_template_args
	cxx_unrestricted_unions
	)
	endif()

	if (CMAKE_CXX_COMPILER_ID STREQUAL SunPro)
	list(REMOVE_ITEM CXX_non_features
	cxx_attribute_deprecated
	cxx_contextual_conversions
	cxx_extended_friend_declarations
	cxx_long_long_type
	cxx_sizeof_member
	cxx_variadic_macros
	)
	endif()

	if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
	AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.5)
	# The cxx_raw_string_literals feature happens to work in some distributions
	# of GNU 4.4, but it is first documented as available with GNU 4.5.
	list(REMOVE_ITEM CXX_non_features
	cxx_raw_string_literals
	)
	endif()
	if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
	AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.6)
	# The cxx_constexpr feature happens to work (for this testcase) with
	# GNU 4.5, but it is first documented as available with GNU 4.6.
	list(REMOVE_ITEM CXX_non_features
	cxx_constexpr
	)
	endif()
	if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
	AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
	# The cxx_alignof feature happens to work (for this testcase) with
	# GNU 4.7, but it is first documented as available with GNU 4.8.
	list(REMOVE_ITEM CXX_non_features
	cxx_alignof
	)
	endif()
	if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU"
	AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.9)
	# GNU prior to 4.9 does not set any preprocessor define to distinguish
	# c++1y from c++11, so CMake does not support c++1y features before GNU 4.9.
	list(REMOVE_ITEM CXX_non_features
	# GNU 4.8 knows cxx_attributes, but doesn't know [[deprecated]]
	# and warns that it is unknown and ignored.
	cxx_attribute_deprecated
	cxx_binary_literals
	cxx_lambda_init_captures
	cxx_return_type_deduction
	)
	endif()

	if (CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
	if (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 18.0)
	list(REMOVE_ITEM CXX_non_features
	# The cxx_contextual_conversions feature happens to work
	# (for this testcase) with VS 2010 and VS 2012, but
	# they do not document support until VS 2013.
	cxx_contextual_conversions
	)
	elseif (CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.0)
	list(REMOVE_ITEM CXX_non_features
	# The cxx_deleted_functions and cxx_nonstatic_member_init
	# features happen to work (for this testcase) with VS 2013,
	# but they do not document support until VS 2015.
	cxx_deleted_functions
	cxx_nonstatic_member_init
	)
	endif()
	endif()

	set(C_ext c)
	set(C_standard_flag 11)
	set(CXX_ext cpp)
	set(CXX_standard_flag 14)
	foreach(lang CXX C)
	if (CMAKE_${lang}_COMPILE_FEATURES)
	foreach(feature ${${lang}_non_features})
	message("Testing feature : ${feature}")
	try_compile(${feature}_works
	"${CMAKE_CURRENT_BINARY_DIR}/${feature}_test"
	"${CMAKE_CURRENT_SOURCE_DIR}/feature_test.${${lang}_ext}"
	COMPILE_DEFINITIONS "-DTEST=${feature}.${${lang}_ext}"
	CMAKE_FLAGS "-DCMAKE_${lang}_STANDARD=${${lang}_standard_flag}"
	"-DINCLUDE_DIRECTORIES=${CMAKE_CURRENT_SOURCE_DIR}"
	OUTPUT_VARIABLE OUTPUT
	)
	if (${feature}_works)
	message(SEND_ERROR
	"Feature ${feature} expected not to work for ${lang} ${CMAKE_${lang}_COMPILER_ID}-${CMAKE_${lang}_COMPILER_VERSION}.
	Update the supported features or blacklist it.\n${OUTPUT}")
	else()
	message("Testing feature : ${feature} -- Fails, as expected.")
	endif()
	endforeach()
	endif()
	endforeach()

	if (CMAKE_C_COMPILE_FEATURES)
	if (CMAKE_C_STANDARD_DEFAULT)
	string(FIND "${CMAKE_C_FLAGS}" "-std=" std_flag_idx)
	if (std_flag_idx EQUAL -1)
	add_executable(default_dialect_C default_dialect.c)
	target_compile_definitions(default_dialect_C PRIVATE
	DEFAULT_C11=$<EQUAL:${CMAKE_C_STANDARD_DEFAULT},11>
	DEFAULT_C99=$<EQUAL:${CMAKE_C_STANDARD_DEFAULT},99>
	DEFAULT_C90=$<EQUAL:${CMAKE_C_STANDARD_DEFAULT},90>
	)
	endif()
	endif()

	add_executable(CompileFeaturesGenex_C genex_test.c)
	set_property(TARGET CompileFeaturesGenex_C PROPERTY C_STANDARD 11)

	if (CMAKE_C_COMPILER_ID STREQUAL "GNU")
	if (NOT CMAKE_C_COMPILER_VERSION VERSION_LESS 4.6)
	list(APPEND expected_defs
	EXPECT_C_STATIC_ASSERT=1
	)
	else()
	list(APPEND expected_defs
	EXPECT_C_STATIC_ASSERT=0
	)
	endif()
	elseif(CMAKE_C_COMPILER_ID STREQUAL "Clang"
	OR CMAKE_C_COMPILER_ID STREQUAL "AppleClang")
	list(APPEND expected_defs
	EXPECT_C_STATIC_ASSERT=1
	)
	endif()

	list(APPEND expected_defs
	EXPECT_C_FUNCTION_PROTOTYPES=1
	EXPECT_C_RESTRICT=1
	)

	target_compile_definitions(CompileFeaturesGenex_C PRIVATE
	HAVE_C_FUNCTION_PROTOTYPES=$<COMPILE_FEATURES:c_function_prototypes>
	HAVE_C_RESTRICT=$<COMPILE_FEATURES:c_restrict>
	HAVE_C_STATIC_ASSERT=$<COMPILE_FEATURES:c_static_assert>
	${expected_defs}
	)
	endif()

	if (CMAKE_CXX_COMPILE_FEATURES)
	if (CMAKE_CXX_STANDARD_DEFAULT)
	string(FIND "${CMAKE_CXX_FLAGS}" "-std=" std_flag_idx)
	if (std_flag_idx EQUAL -1)
	add_executable(default_dialect default_dialect.cpp)
	target_compile_definitions(default_dialect PRIVATE
	DEFAULT_CXX14=$<EQUAL:${CMAKE_CXX_STANDARD_DEFAULT},14>
	DEFAULT_CXX11=$<EQUAL:${CMAKE_CXX_STANDARD_DEFAULT},11>
	DEFAULT_CXX98=$<EQUAL:${CMAKE_CXX_STANDARD_DEFAULT},98>
	)
	endif()
	endif()

	add_executable(CompileFeatures main.cpp)
	set_property(TARGET CompileFeatures
	PROPERTY COMPILE_FEATURES "cxx_auto_type"
	)
	set_property(TARGET CompileFeatures
	PROPERTY CXX_STANDARD_REQUIRED TRUE
	)

	add_executable(GenexCompileFeatures main.cpp)
	set_property(TARGET GenexCompileFeatures
	PROPERTY COMPILE_FEATURES "$<1:cxx_auto_type>;$<0:not_a_feature>"
	)

	add_library(iface INTERFACE)
	set_property(TARGET iface
	PROPERTY INTERFACE_COMPILE_FEATURES "cxx_auto_type"
	)
	add_executable(IfaceCompileFeatures main.cpp)
	target_link_libraries(IfaceCompileFeatures iface)

	if (CMAKE_CXX_COMPILER_ID STREQUAL "GNU")
	if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
	add_definitions(
	-DEXPECT_OVERRIDE_CONTROL=1
	-DEXPECT_INHERITING_CONSTRUCTORS=1
	-DEXPECT_FINAL=1
	-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=1
	)
	elseif (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.7)
	add_definitions(
	-DEXPECT_OVERRIDE_CONTROL=1
	-DEXPECT_INHERITING_CONSTRUCTORS=0
	-DEXPECT_FINAL=1
	-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=0
	)
	else()
	add_definitions(
	-DEXPECT_OVERRIDE_CONTROL=0
	-DEXPECT_INHERITING_CONSTRUCTORS=0
	-DEXPECT_FINAL=0
	-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=0
	)
	endif()
	elseif(CMAKE_CXX_COMPILER_ID STREQUAL "Clang")
	add_definitions(
	-DEXPECT_OVERRIDE_CONTROL=1
	-DEXPECT_INHERITING_CONSTRUCTORS=1
	-DEXPECT_FINAL=1
	-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=1
	)
	elseif(CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang")
	if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.0)
	add_definitions(
	-DEXPECT_OVERRIDE_CONTROL=1
	-DEXPECT_INHERITING_CONSTRUCTORS=1
	-DEXPECT_FINAL=1
	-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=1
	)
	else()
	add_definitions(
	-DEXPECT_OVERRIDE_CONTROL=1
	-DEXPECT_INHERITING_CONSTRUCTORS=0
	-DEXPECT_FINAL=1
	-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=0
	)
	endif()
	elseif(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
	if (NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 19.0)
	add_definitions(
	-DEXPECT_OVERRIDE_CONTROL=1
	-DEXPECT_INHERITING_CONSTRUCTORS=1
	-DEXPECT_FINAL=1
	-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=1
	)
	elseif(NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 17.0)
	add_definitions(
	-DEXPECT_OVERRIDE_CONTROL=1
	-DEXPECT_INHERITING_CONSTRUCTORS=0
	-DEXPECT_FINAL=1
	-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=0
	)
	else()
	add_definitions(
	-DEXPECT_OVERRIDE_CONTROL=0
	-DEXPECT_INHERITING_CONSTRUCTORS=0
	-DEXPECT_FINAL=0
	-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=0
	)
	endif()
	elseif (CMAKE_CXX_COMPILER_ID STREQUAL "SunPro")
	add_definitions(
	-DEXPECT_OVERRIDE_CONTROL=1
	-DEXPECT_INHERITING_CONSTRUCTORS=1
	-DEXPECT_FINAL=1
	-DEXPECT_INHERITING_CONSTRUCTORS_AND_FINAL=1
	)
	endif()

	add_executable(CompileFeaturesGenex genex_test.cpp)
	set_property(TARGET CompileFeaturesGenex PROPERTY CXX_STANDARD 11)
	target_compile_definitions(CompileFeaturesGenex PRIVATE
	HAVE_OVERRIDE_CONTROL=$<COMPILE_FEATURES:cxx_final,cxx_override>
	HAVE_AUTO_TYPE=$<COMPILE_FEATURES:cxx_auto_type>
	HAVE_INHERITING_CONSTRUCTORS=$<COMPILE_FEATURES:cxx_inheriting_constructors>
	HAVE_FINAL=$<COMPILE_FEATURES:cxx_final>
	HAVE_INHERITING_CONSTRUCTORS_AND_FINAL=$<COMPILE_FEATURES:cxx_inheriting_constructors,cxx_final>
	)

	add_executable(CompileFeaturesGenex2 genex_test.cpp)
	target_compile_features(CompileFeaturesGenex2 PRIVATE cxx_static_assert)
	target_compile_definitions(CompileFeaturesGenex2 PRIVATE
	HAVE_OVERRIDE_CONTROL=$<COMPILE_FEATURES:cxx_final,cxx_override>
	HAVE_AUTO_TYPE=$<COMPILE_FEATURES:cxx_auto_type>
	HAVE_INHERITING_CONSTRUCTORS=$<COMPILE_FEATURES:cxx_inheriting_constructors>
	HAVE_FINAL=$<COMPILE_FEATURES:cxx_final>
	HAVE_INHERITING_CONSTRUCTORS_AND_FINAL=$<COMPILE_FEATURES:cxx_inheriting_constructors,cxx_final>
	)

	add_library(static_assert_iface INTERFACE)
	target_compile_features(static_assert_iface INTERFACE cxx_static_assert)
	add_executable(CompileFeaturesGenex3 genex_test.cpp)
	target_link_libraries(CompileFeaturesGenex3 PRIVATE static_assert_iface)
	target_compile_definitions(CompileFeaturesGenex3 PRIVATE
	HAVE_OVERRIDE_CONTROL=$<COMPILE_FEATURES:cxx_final,cxx_override>
	HAVE_AUTO_TYPE=$<COMPILE_FEATURES:cxx_auto_type>
	HAVE_INHERITING_CONSTRUCTORS=$<COMPILE_FEATURES:cxx_inheriting_constructors>
	HAVE_FINAL=$<COMPILE_FEATURES:cxx_final>
	HAVE_INHERITING_CONSTRUCTORS_AND_FINAL=$<COMPILE_FEATURES:cxx_inheriting_constructors,cxx_final>
	)
	endif()