Merge topic 'target_compile_features'

9eaf3755 Export: Populate INTERFACE_COMPILE_FEATURES property.
8ed59fc2 Add target_compile_features command.
4e6ca504 cmTargetPropCommandBase: Change the interface to return bool.
5412dede cmTarget: Transitively evaluate compiler features.
baff4434 cmTarget: Allow populating COMPILE_FEATURES using generator expressions.
f97bf437 Features: Add cxx_auto_type.
03355d6b cmTarget: Add COMPILE_FEATURES target property.
faeddf64 project: Add infrastructure for recording CXX compiler features
913394af cmTarget: Add CXX_STANDARD and CXX_EXTENSION target properties.
8238a6cd Add some COMPILE_OPTIONS for specifying C++ dialect.
892243fc Tests: Require CMake 3.0 for the SystemInformation test.
59b5fdd3 Don't load Clang-CXX from AppleClang-CXX.

55 files changed, 232 insertions, 0 deletions

diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index 851de42..00e6702 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -53,6 +53,7 @@ add_RunCMake_test(ObjectLibrary)
 add_RunCMake_test(TargetObjects)
 add_RunCMake_test(TargetSources)
 add_RunCMake_test(find_dependency)
+add_RunCMake_test(CompileFeatures)
 if(NOT WIN32)
   add_RunCMake_test(PositionIndependentCode)
   set(SKIP_VISIBILITY 0)
@@ -124,6 +125,10 @@ endif()
 add_RunCMake_test(File_Generate)
 add_RunCMake_test(ExportWithoutLanguage)
 add_RunCMake_test(target_link_libraries)
+
+if (CMAKE_CXX_COMPILER_ID STREQUAL GNU AND NOT CMAKE_CXX_COMPILER_VERSION VERSION_LESS 4.8)
+  add_RunCMake_test(target_compile_features)
+endif()
 add_RunCMake_test(CheckModules)
 add_RunCMake_test(CommandLine)
 
diff --git a/Tests/RunCMake/CompileFeatures/CMakeLists.txt b/Tests/RunCMake/CompileFeatures/CMakeLists.txt
new file mode 100644
index 0000000..3482e6b
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/CMakeLists.txt
@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 3.0)
+project(${RunCMake_TEST} CXX)
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeature-result.txt b/Tests/RunCMake/CompileFeatures/NotAFeature-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeature-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeature-stderr.txt b/Tests/RunCMake/CompileFeatures/NotAFeature-stderr.txt
new file mode 100644
index 0000000..ff60e50
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeature-stderr.txt
@@ -0,0 +1,2 @@
+CMake Error in CMakeLists.txt:
+  Specified unknown feature "not_a_feature" for target "somelib".
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeature.cmake b/Tests/RunCMake/CompileFeatures/NotAFeature.cmake
new file mode 100644
index 0000000..35246c8
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeature.cmake
@@ -0,0 +1,3 @@
+
+add_library(somelib STATIC empty.cpp)
+set_property(TARGET somelib PROPERTY COMPILE_FEATURES "not_a_feature")
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeatureGenex-result.txt b/Tests/RunCMake/CompileFeatures/NotAFeatureGenex-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeatureGenex-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeatureGenex-stderr.txt b/Tests/RunCMake/CompileFeatures/NotAFeatureGenex-stderr.txt
new file mode 100644
index 0000000..ff60e50
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeatureGenex-stderr.txt
@@ -0,0 +1,2 @@
+CMake Error in CMakeLists.txt:
+  Specified unknown feature "not_a_feature" for target "somelib".
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeatureGenex.cmake b/Tests/RunCMake/CompileFeatures/NotAFeatureGenex.cmake
new file mode 100644
index 0000000..ad2bd37
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeatureGenex.cmake
@@ -0,0 +1,3 @@
+
+add_library(somelib STATIC empty.cpp)
+set_property(TARGET somelib PROPERTY COMPILE_FEATURES "$<1:not_a_feature>")
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeatureTransitive-result.txt b/Tests/RunCMake/CompileFeatures/NotAFeatureTransitive-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeatureTransitive-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeatureTransitive-stderr.txt b/Tests/RunCMake/CompileFeatures/NotAFeatureTransitive-stderr.txt
new file mode 100644
index 0000000..ff60e50
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeatureTransitive-stderr.txt
@@ -0,0 +1,2 @@
+CMake Error in CMakeLists.txt:
+  Specified unknown feature "not_a_feature" for target "somelib".
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeatureTransitive.cmake b/Tests/RunCMake/CompileFeatures/NotAFeatureTransitive.cmake
new file mode 100644
index 0000000..7311aec
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeatureTransitive.cmake
@@ -0,0 +1,6 @@
+
+add_library(iface INTERFACE)
+set_property(TARGET iface PROPERTY INTERFACE_COMPILE_FEATURES "not_a_feature")
+
+add_library(somelib STATIC empty.cpp)
+target_link_libraries(somelib iface)
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug-result.txt b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug-stderr.txt b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug-stderr.txt
new file mode 100644
index 0000000..60a8e51
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug-stderr.txt
@@ -0,0 +1,11 @@
+CMake Debug Log at NotAFeature_OriginDebug.cmake:4 \(set_property\):
+  Used compile features for target somelib:
+
+   \* not_a_feature
+
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
+
+
+CMake Error in CMakeLists.txt:
+  Specified unknown feature "not_a_feature" for target "somelib".
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug.cmake b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug.cmake
new file mode 100644
index 0000000..350c2ea
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug.cmake
@@ -0,0 +1,4 @@
+
+set(CMAKE_DEBUG_TARGET_PROPERTIES COMPILE_FEATURES)
+add_library(somelib STATIC empty.cpp)
+set_property(TARGET somelib PROPERTY COMPILE_FEATURES "not_a_feature")
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugGenex-result.txt b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugGenex-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugGenex-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugGenex-stderr.txt b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugGenex-stderr.txt
new file mode 100644
index 0000000..08e20a8
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugGenex-stderr.txt
@@ -0,0 +1,11 @@
+CMake Debug Log at NotAFeature_OriginDebugGenex.cmake:4 \(set_property\):
+  Used compile features for target somelib:
+
+   \* not_a_feature
+
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
+
+
+CMake Error in CMakeLists.txt:
+  Specified unknown feature "not_a_feature" for target "somelib".
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugGenex.cmake b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugGenex.cmake
new file mode 100644
index 0000000..2122981
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugGenex.cmake
@@ -0,0 +1,4 @@
+
+set(CMAKE_DEBUG_TARGET_PROPERTIES COMPILE_FEATURES)
+add_library(somelib STATIC empty.cpp)
+set_property(TARGET somelib PROPERTY COMPILE_FEATURES "$<1:not_a_feature>")
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugTransitive-result.txt b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugTransitive-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugTransitive-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugTransitive-stderr.txt b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugTransitive-stderr.txt
new file mode 100644
index 0000000..23c3305
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugTransitive-stderr.txt
@@ -0,0 +1,11 @@
+CMake Debug Log at NotAFeature_OriginDebugTransitive.cmake:6 \(target_link_libraries\):
+  Used compile features for target somelib:
+
+   \* not_a_feature
+
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
+
+
+CMake Error in CMakeLists.txt:
+  Specified unknown feature "not_a_feature" for target "somelib".
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugTransitive.cmake b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugTransitive.cmake
new file mode 100644
index 0000000..05d0073
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebugTransitive.cmake
@@ -0,0 +1,6 @@
+
+set(CMAKE_DEBUG_TARGET_PROPERTIES COMPILE_FEATURES)
+add_library(iface INTERFACE)
+set_property(TARGET iface PROPERTY INTERFACE_COMPILE_FEATURES "not_a_feature")
+add_library(somelib STATIC empty.cpp)
+target_link_libraries(somelib iface)
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug_target_compile_features-result.txt b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug_target_compile_features-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug_target_compile_features-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug_target_compile_features-stderr.txt b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug_target_compile_features-stderr.txt
new file mode 100644
index 0000000..d819d15
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug_target_compile_features-stderr.txt
@@ -0,0 +1,5 @@
+CMake Error at NotAFeature_OriginDebug_target_compile_features.cmake:4 \(target_compile_features\):
+  target_compile_features specified unknown feature "not_a_feature" for
+  target "somelib".
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug_target_compile_features.cmake b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug_target_compile_features.cmake
new file mode 100644
index 0000000..467d9a1
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/NotAFeature_OriginDebug_target_compile_features.cmake
@@ -0,0 +1,4 @@
+
+set(CMAKE_DEBUG_TARGET_PROPERTIES COMPILE_FEATURES)
+add_library(somelib STATIC empty.cpp)
+target_compile_features(somelib PRIVATE not_a_feature)
diff --git a/Tests/RunCMake/CompileFeatures/RunCMakeTest.cmake b/Tests/RunCMake/CompileFeatures/RunCMakeTest.cmake
new file mode 100644
index 0000000..a6aeeee
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/RunCMakeTest.cmake
@@ -0,0 +1,9 @@
+include(RunCMake)
+
+run_cmake(NotAFeature)
+run_cmake(NotAFeatureGenex)
+run_cmake(NotAFeatureTransitive)
+run_cmake(NotAFeature_OriginDebug)
+run_cmake(NotAFeature_OriginDebugGenex)
+run_cmake(NotAFeature_OriginDebugTransitive)
+run_cmake(NotAFeature_OriginDebug_target_compile_features)
diff --git a/Tests/RunCMake/CompileFeatures/empty.cpp b/Tests/RunCMake/CompileFeatures/empty.cpp
new file mode 100644
index 0000000..bfbbdde
--- /dev/null
+++ b/Tests/RunCMake/CompileFeatures/empty.cpp
@@ -0,0 +1,7 @@
+#ifdef _WIN32
+__declspec(dllexport)
+#endif
+int empty()
+{
+  return 0;
+}
diff --git a/Tests/RunCMake/target_compile_features/CMakeLists.txt b/Tests/RunCMake/target_compile_features/CMakeLists.txt
new file mode 100644
index 0000000..3482e6b
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/CMakeLists.txt
@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 3.0)
+project(${RunCMake_TEST} CXX)
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/target_compile_features/RunCMakeTest.cmake b/Tests/RunCMake/target_compile_features/RunCMakeTest.cmake
new file mode 100644
index 0000000..f2abef7
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/RunCMakeTest.cmake
@@ -0,0 +1,11 @@
+include(RunCMake)
+
+run_cmake(not_enough_args)
+run_cmake(alias_target)
+run_cmake(utility_target)
+run_cmake(invalid_args)
+run_cmake(invalid_args_on_interface)
+run_cmake(imported_target)
+run_cmake(no_target)
+run_cmake(not_a_cxx_feature)
+run_cmake(no_matching_cxx_feature)
diff --git a/Tests/RunCMake/target_compile_features/alias_target-result.txt b/Tests/RunCMake/target_compile_features/alias_target-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/alias_target-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/target_compile_features/alias_target-stderr.txt b/Tests/RunCMake/target_compile_features/alias_target-stderr.txt
new file mode 100644
index 0000000..417bf62
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/alias_target-stderr.txt
@@ -0,0 +1,4 @@
+CMake Error at alias_target.cmake:4 \(target_compile_features\):
+  target_compile_features can not be used on an ALIAS target.
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/target_compile_features/alias_target.cmake b/Tests/RunCMake/target_compile_features/alias_target.cmake
new file mode 100644
index 0000000..d35ddba
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/alias_target.cmake
@@ -0,0 +1,4 @@
+
+add_executable(main empty.cpp)
+add_executable(Alias::Main ALIAS main)
+target_compile_features(Alias::Main PRIVATE cxx_delegating_constructors)
diff --git a/Tests/RunCMake/target_compile_features/empty.cpp b/Tests/RunCMake/target_compile_features/empty.cpp
new file mode 100644
index 0000000..bfbbdde
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/empty.cpp
@@ -0,0 +1,7 @@
+#ifdef _WIN32
+__declspec(dllexport)
+#endif
+int empty()
+{
+  return 0;
+}
diff --git a/Tests/RunCMake/target_compile_features/imported_target-result.txt b/Tests/RunCMake/target_compile_features/imported_target-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/imported_target-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/target_compile_features/imported_target-stderr.txt b/Tests/RunCMake/target_compile_features/imported_target-stderr.txt
new file mode 100644
index 0000000..c6ff5ec
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/imported_target-stderr.txt
@@ -0,0 +1,4 @@
+CMake Error at imported_target.cmake:3 \(target_compile_features\):
+  Cannot specify compile features for imported target "main".
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/target_compile_features/imported_target.cmake b/Tests/RunCMake/target_compile_features/imported_target.cmake
new file mode 100644
index 0000000..e248c2f
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/imported_target.cmake
@@ -0,0 +1,3 @@
+
+add_library(main INTERFACE IMPORTED)
+target_compile_features(main INTERFACE cxx_delegating_constructors)
diff --git a/Tests/RunCMake/target_compile_features/invalid_args-result.txt b/Tests/RunCMake/target_compile_features/invalid_args-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/invalid_args-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/target_compile_features/invalid_args-stderr.txt b/Tests/RunCMake/target_compile_features/invalid_args-stderr.txt
new file mode 100644
index 0000000..bd5b7b9
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/invalid_args-stderr.txt
@@ -0,0 +1,4 @@
+CMake Error at invalid_args.cmake:3 \(target_compile_features\):
+  target_compile_features called with invalid arguments
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/target_compile_features/invalid_args.cmake b/Tests/RunCMake/target_compile_features/invalid_args.cmake
new file mode 100644
index 0000000..1a7fb37
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/invalid_args.cmake
@@ -0,0 +1,3 @@
+
+add_executable(main empty.cpp)
+target_compile_features(main INVALID cxx_delegating_constructors)
diff --git a/Tests/RunCMake/target_compile_features/invalid_args_on_interface-result.txt b/Tests/RunCMake/target_compile_features/invalid_args_on_interface-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/invalid_args_on_interface-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/target_compile_features/invalid_args_on_interface-stderr.txt b/Tests/RunCMake/target_compile_features/invalid_args_on_interface-stderr.txt
new file mode 100644
index 0000000..c30209a
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/invalid_args_on_interface-stderr.txt
@@ -0,0 +1,5 @@
+CMake Error at invalid_args_on_interface.cmake:3 \(target_compile_features\):
+  target_compile_features may only be set INTERFACE properties on INTERFACE
+  targets
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/target_compile_features/invalid_args_on_interface.cmake b/Tests/RunCMake/target_compile_features/invalid_args_on_interface.cmake
new file mode 100644
index 0000000..324d0f3
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/invalid_args_on_interface.cmake
@@ -0,0 +1,3 @@
+
+add_library(main INTERFACE)
+target_compile_features(main PRIVATE cxx_delegating_constructors)
diff --git a/Tests/RunCMake/target_compile_features/no_matching_cxx_feature-result.txt b/Tests/RunCMake/target_compile_features/no_matching_cxx_feature-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/no_matching_cxx_feature-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/target_compile_features/no_matching_cxx_feature-stderr.txt b/Tests/RunCMake/target_compile_features/no_matching_cxx_feature-stderr.txt
new file mode 100644
index 0000000..4c76c7a
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/no_matching_cxx_feature-stderr.txt
@@ -0,0 +1,8 @@
+CMake Error at no_matching_cxx_feature.cmake:[0-9][0-9]? \((target_compile_features|message)\):
+  The compiler feature "[^"]+" is not known to compiler
+
+  "[^"]*"
+
+  version *[.0-9]+\.
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/target_compile_features/no_matching_cxx_feature.cmake b/Tests/RunCMake/target_compile_features/no_matching_cxx_feature.cmake
new file mode 100644
index 0000000..0452dbf
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/no_matching_cxx_feature.cmake
@@ -0,0 +1,26 @@
+
+if (NOT ";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";gnu_cxx_typeof;"
+    AND NOT ";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";msvc_cxx_sealed;" )
+  # Simulate passing the test.
+  message(SEND_ERROR
+    "The compiler feature \"gnu_cxx_dummy\" is not known to compiler\n\"GNU\"\nversion 4.8.1."
+  )
+  return()
+endif()
+
+if (";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";gnu_cxx_typeof;")
+  set(feature msvc_cxx_sealed)
+  if (";${CMAKE_CXX_COMPILE_FEATURES};" MATCHES ";msvc_cxx_sealed;")
+    # If a compiler supports both extensions, remove one of them.
+    list(REMOVE_ITEM CMAKE_CXX_COMPILE_FEATURES msvc_cxx_sealed)
+  endif()
+else()
+  set(feature gnu_cxx_typeof)
+endif()
+
+add_executable(main empty.cpp)
+
+target_compile_features(main
+  PRIVATE
+    ${feature}
+)
diff --git a/Tests/RunCMake/target_compile_features/no_target-result.txt b/Tests/RunCMake/target_compile_features/no_target-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/no_target-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/target_compile_features/no_target-stderr.txt b/Tests/RunCMake/target_compile_features/no_target-stderr.txt
new file mode 100644
index 0000000..323ba7a
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/no_target-stderr.txt
@@ -0,0 +1,5 @@
+CMake Error at no_target.cmake:2 \(target_compile_features\):
+  Cannot specify compile features for target "main" which is not built by
+  this project.
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/target_compile_features/no_target.cmake b/Tests/RunCMake/target_compile_features/no_target.cmake
new file mode 100644
index 0000000..3f0afe2
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/no_target.cmake
@@ -0,0 +1,2 @@
+
+target_compile_features(main INTERFACE cxx_delegating_constructors)
diff --git a/Tests/RunCMake/target_compile_features/not_a_cxx_feature-result.txt b/Tests/RunCMake/target_compile_features/not_a_cxx_feature-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/not_a_cxx_feature-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/target_compile_features/not_a_cxx_feature-stderr.txt b/Tests/RunCMake/target_compile_features/not_a_cxx_feature-stderr.txt
new file mode 100644
index 0000000..efa2bad
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/not_a_cxx_feature-stderr.txt
@@ -0,0 +1,5 @@
+CMake Error at not_a_cxx_feature.cmake:3 \(target_compile_features\):
+  target_compile_features specified unknown feature "cxx_not_a_feature" for
+  target "main".
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/target_compile_features/not_a_cxx_feature.cmake b/Tests/RunCMake/target_compile_features/not_a_cxx_feature.cmake
new file mode 100644
index 0000000..0207b72
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/not_a_cxx_feature.cmake
@@ -0,0 +1,6 @@
+
+add_executable(main empty.cpp)
+target_compile_features(main
+  PRIVATE
+    cxx_not_a_feature
+)
diff --git a/Tests/RunCMake/target_compile_features/not_enough_args-result.txt b/Tests/RunCMake/target_compile_features/not_enough_args-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/not_enough_args-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/target_compile_features/not_enough_args-stderr.txt b/Tests/RunCMake/target_compile_features/not_enough_args-stderr.txt
new file mode 100644
index 0000000..2f8d812
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/not_enough_args-stderr.txt
@@ -0,0 +1,4 @@
+CMake Error at not_enough_args.cmake:3 \(target_compile_features\):
+  target_compile_features called with incorrect number of arguments
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/target_compile_features/not_enough_args.cmake b/Tests/RunCMake/target_compile_features/not_enough_args.cmake
new file mode 100644
index 0000000..9561230
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/not_enough_args.cmake
@@ -0,0 +1,3 @@
+
+add_executable(main empty.cpp)
+target_compile_features(main)
diff --git a/Tests/RunCMake/target_compile_features/utility_target-result.txt b/Tests/RunCMake/target_compile_features/utility_target-result.txt
new file mode 100644
index 0000000..d00491f
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/utility_target-result.txt
@@ -0,0 +1 @@
+1
diff --git a/Tests/RunCMake/target_compile_features/utility_target-stderr.txt b/Tests/RunCMake/target_compile_features/utility_target-stderr.txt
new file mode 100644
index 0000000..d239059
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/utility_target-stderr.txt
@@ -0,0 +1,4 @@
+CMake Error at utility_target.cmake:4 \(target_compile_features\):
+  target_compile_features called with non-compilable target type
+Call Stack \(most recent call first\):
+  CMakeLists.txt:3 \(include\)
diff --git a/Tests/RunCMake/target_compile_features/utility_target.cmake b/Tests/RunCMake/target_compile_features/utility_target.cmake
new file mode 100644
index 0000000..8919056
--- /dev/null
+++ b/Tests/RunCMake/target_compile_features/utility_target.cmake
@@ -0,0 +1,4 @@
+
+add_custom_target(utility)
+
+target_compile_features(utility PRIVATE cxx_delegating_constructors)