10 files changed, 86 insertions, 25 deletions
diff --git a/Tests/CompileFeatures/CMakeLists.txt b/Tests/CompileFeatures/CMakeLists.txt
index 6ccdcc3..2dd8917 100644
--- a/Tests/CompileFeatures/CMakeLists.txt
+++ b/Tests/CompileFeatures/CMakeLists.txt
@@ -15,17 +15,21 @@ macro(run_test feature lang)
   endif()
 endmacro()
 
-get_property(c_features GLOBAL PROPERTY CMAKE_C_KNOWN_FEATURES)
-list(FILTER c_features EXCLUDE REGEX "^c_std_[0-9][0-9]")
-foreach(feature ${c_features})
-  run_test(${feature} C)
-endforeach()
+if(NOT CMAKE_C_COMPILER_ID MATCHES "^(Cray|PGI|XL|XLClang)$")
+  get_property(c_features GLOBAL PROPERTY CMAKE_C_KNOWN_FEATURES)
+  list(FILTER c_features EXCLUDE REGEX "^c_std_[0-9][0-9]")
+  foreach(feature ${c_features})
+    run_test(${feature} C)
+  endforeach()
+endif()
 
-get_property(cxx_features GLOBAL PROPERTY CMAKE_CXX_KNOWN_FEATURES)
-list(FILTER cxx_features EXCLUDE REGEX "^cxx_std_[0-9][0-9]")
-foreach(feature ${cxx_features})
-  run_test(${feature} CXX)
-endforeach()
+if(NOT CMAKE_CXX_COMPILER_ID MATCHES "^(Cray|PGI|XL|XLClang)$")
+  get_property(cxx_features GLOBAL PROPERTY CMAKE_CXX_KNOWN_FEATURES)
+  list(FILTER cxx_features EXCLUDE REGEX "^cxx_std_[0-9][0-9]")
+  foreach(feature ${cxx_features})
+    run_test(${feature} CXX)
+  endforeach()
+endif()
 
 if (CMAKE_CXX_COMPILER_ID STREQUAL "AppleClang"
     AND CMAKE_CXX_COMPILER_VERSION VERSION_LESS 5.1)
diff --git a/Tests/CompileFeatures/genex_test.cpp b/Tests/CompileFeatures/genex_test.cpp
index 4539789..53dce62 100644
--- a/Tests/CompileFeatures/genex_test.cpp
+++ b/Tests/CompileFeatures/genex_test.cpp
@@ -31,17 +31,6 @@
 #  if !EXPECT_OVERRIDE_CONTROL
 #    error "Expect no override control feature"
 #  endif
-
-struct A
-{
-  virtual int getA() { return 7; }
-};
-
-struct B final : A
-{
-  int getA() override { return 42; }
-};
-
 #endif
 
 #if !HAVE_AUTO_TYPE
diff --git a/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt b/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt
index b584e16..cffef5a 100644
--- a/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt
+++ b/Tests/Module/WriteCompilerDetectionHeader/CMakeLists.txt
@@ -52,8 +52,10 @@ endmacro()
 # detailed features tables, not just meta-features
 
 if (CMAKE_C_COMPILE_FEATURES)
-  set(C_expected_features ${CMAKE_C_COMPILE_FEATURES})
-  list(FILTER C_expected_features EXCLUDE REGEX "^c_std_[0-9][0-9]")
+  if(NOT CMAKE_C_COMPILER_ID MATCHES "^(Cray|PGI|XL|XLClang)$")
+    set(C_expected_features ${CMAKE_C_COMPILE_FEATURES})
+    list(FILTER C_expected_features EXCLUDE REGEX "^c_std_[0-9][0-9]")
+  endif()
 endif()
 if (C_expected_features)
   string(REGEX REPLACE "^([0-9]+)\\.[0-9]+\\.[0-9]+.*" "\\1" COMPILER_VERSION_MAJOR "${CMAKE_C_COMPILER_VERSION}")
@@ -93,8 +95,10 @@ if (C_expected_features)
 endif()
 
 if (CMAKE_CXX_COMPILE_FEATURES)
-  set(CXX_expected_features ${CMAKE_CXX_COMPILE_FEATURES})
-  list(FILTER CXX_expected_features EXCLUDE REGEX "^cxx_std_[0-9][0-9]")
+  if(NOT CMAKE_CXX_COMPILER_ID MATCHES "^(Cray|PGI|XL|XLClang)$")
+    set(CXX_expected_features ${CMAKE_CXX_COMPILE_FEATURES})
+    list(FILTER CXX_expected_features EXCLUDE REGEX "^cxx_std_[0-9][0-9]")
+  endif()
 endif()
 if (NOT CXX_expected_features)
   file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/dummy.cpp"
diff --git a/Tests/RunCMake/CMakeLists.txt b/Tests/RunCMake/CMakeLists.txt
index afa8df7..68411d6 100644
--- a/Tests/RunCMake/CMakeLists.txt
+++ b/Tests/RunCMake/CMakeLists.txt
@@ -192,6 +192,9 @@ add_RunCMake_test(GoogleTest) # Note: does not actually depend on Google Test
 add_RunCMake_test(TargetPropertyGeneratorExpressions)
 add_RunCMake_test(Languages)
 add_RunCMake_test(LinkStatic)
+if(CMAKE_CXX_COMPILER_ID MATCHES "^(Cray|PGI|XL|XLClang)$")
+  add_RunCMake_test(MetaCompileFeatures)
+endif()
 add_RunCMake_test(ObjectLibrary)
 add_RunCMake_test(ParseImplicitIncludeInfo)
 if(UNIX AND CMAKE_SHARED_LIBRARY_RUNTIME_C_FLAG AND CMAKE_EXECUTABLE_FORMAT STREQUAL "ELF")
diff --git a/Tests/RunCMake/MetaCompileFeatures/C.cmake b/Tests/RunCMake/MetaCompileFeatures/C.cmake
new file mode 100644
index 0000000..3bb6181
--- /dev/null
+++ b/Tests/RunCMake/MetaCompileFeatures/C.cmake
@@ -0,0 +1,27 @@
+
+enable_language(C)
+
+function(check_language_feature_flags lang level)
+  if(CMAKE_${lang}${level}_STANDARD_COMPILE_OPTION)
+    #this property is an internal implementation detail of CMake
+    get_property(known_features GLOBAL PROPERTY CMAKE_${lang}${level}_KNOWN_FEATURES)
+    list(LENGTH known_features len)
+    if(len LESS 1)
+      message(FATAL_ERROR "unable to find known features of ${lang}${level}")
+    endif()
+
+    string(TOLOWER ${lang} lang_lower)
+    set(known_name ${lang_lower}${level}_known_features)
+    set(meta_name  ${lang_lower}${level}_meta_feature)
+
+    add_library(${known_name} STATIC a.c)
+    target_compile_features(${known_name} PUBLIC ${known_features})
+    add_library(${meta_name} STATIC a.c)
+    target_compile_features(${meta_name} PUBLIC ${lang_lower}_std_${level})
+  endif()
+endfunction()
+
+
+check_language_feature_flags(C 90)
+check_language_feature_flags(C 99)
+check_language_feature_flags(C 11)
diff --git a/Tests/RunCMake/MetaCompileFeatures/CMakeLists.txt b/Tests/RunCMake/MetaCompileFeatures/CMakeLists.txt
new file mode 100644
index 0000000..3e470a2
--- /dev/null
+++ b/Tests/RunCMake/MetaCompileFeatures/CMakeLists.txt
@@ -0,0 +1,3 @@
+cmake_minimum_required(VERSION 3.14)
+project(${RunCMake_TEST} NONE)
+include(${RunCMake_TEST}.cmake)
diff --git a/Tests/RunCMake/MetaCompileFeatures/CXX.cmake b/Tests/RunCMake/MetaCompileFeatures/CXX.cmake
new file mode 100644
index 0000000..ef3b9d4
--- /dev/null
+++ b/Tests/RunCMake/MetaCompileFeatures/CXX.cmake
@@ -0,0 +1,27 @@
+
+enable_language(CXX)
+
+function(check_language_feature_flags lang level)
+  if(CMAKE_${lang}${level}_STANDARD_COMPILE_OPTION)
+    #this property is an internal implementation detail of CMake
+    get_property(known_features GLOBAL PROPERTY CMAKE_${lang}${level}_KNOWN_FEATURES)
+    list(LENGTH known_features len)
+    if(len LESS 1)
+      message(FATAL_ERROR "unable to find known features of ${lang}${level}")
+    endif()
+
+    string(TOLOWER ${lang} lang_lower)
+    set(known_name ${lang_lower}${level}_known_features)
+    set(meta_name  ${lang_lower}${level}_meta_feature)
+
+    add_library(${known_name} STATIC a.cxx)
+    target_compile_features(${known_name} PUBLIC ${known_features})
+    add_library(${meta_name} STATIC a.cxx)
+    target_compile_features(${meta_name} PUBLIC ${lang_lower}_std_${level})
+  endif()
+endfunction()
+
+
+check_language_feature_flags(CXX 98)
+check_language_feature_flags(CXX 11)
+check_language_feature_flags(CXX 14)
diff --git a/Tests/RunCMake/MetaCompileFeatures/RunCMakeTest.cmake b/Tests/RunCMake/MetaCompileFeatures/RunCMakeTest.cmake
new file mode 100644
index 0000000..009cde4
--- /dev/null
+++ b/Tests/RunCMake/MetaCompileFeatures/RunCMakeTest.cmake
@@ -0,0 +1,4 @@
+include(RunCMake)
+
+run_cmake(C)
+run_cmake(CXX)
diff --git a/Tests/RunCMake/MetaCompileFeatures/a.c b/Tests/RunCMake/MetaCompileFeatures/a.c
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/Tests/RunCMake/MetaCompileFeatures/a.c
diff --git a/Tests/RunCMake/MetaCompileFeatures/a.cxx b/Tests/RunCMake/MetaCompileFeatures/a.cxx
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/Tests/RunCMake/MetaCompileFeatures/a.cxx