Merge branch 'default-extensions' into release-3.22

Merge-request: !6949

Modules/CMakeCCompilerId.c.in

@@ -60,10 +60,9 @@ const char* info_language_standard_default =
   "INFO" ":" "standard_default[" C_VERSION "]";
 
 const char* info_language_extensions_default = "INFO" ":" "extensions_default["
-/* !defined(_MSC_VER) to exclude Clang's MSVC compatibility mode. */
 #if (defined(__clang__) || defined(__GNUC__) || defined(__xlC__) ||           \
      defined(__TI_COMPILER_VERSION__)) &&                                     \
-  !defined(__STRICT_ANSI__) && !defined(_MSC_VER)
+  !defined(__STRICT_ANSI__)
   "ON"
 #else
   "OFF"

Modules/CMakeCUDACompilerId.cu.in

@@ -33,9 +33,8 @@ const char* info_language_standard_default = "INFO" ":" "standard_default["
 "]";
 
 const char* info_language_extensions_default = "INFO" ":" "extensions_default["
-/* !defined(_MSC_VER) to exclude Clang's MSVC compatibility mode. */
-#if (defined(__clang__) || defined(__GNUC__)) && !defined(__STRICT_ANSI__) && \
-  !defined(_MSC_VER)
+#if (defined(__clang__) || defined(__GNUC__)) &&                              \
+  !defined(__STRICT_ANSI__)
   "ON"
 #else
   "OFF"

Modules/CMakeCXXCompilerId.cpp.in

@@ -66,10 +66,9 @@ const char* info_language_standard_default = "INFO" ":" "standard_default["
 "]";
 
 const char* info_language_extensions_default = "INFO" ":" "extensions_default["
-/* !defined(_MSC_VER) to exclude Clang's MSVC compatibility mode. */
 #if (defined(__clang__) || defined(__GNUC__) || defined(__xlC__) ||           \
      defined(__TI_COMPILER_VERSION__)) &&                                     \
-  !defined(__STRICT_ANSI__) && !defined(_MSC_VER)
+  !defined(__STRICT_ANSI__)
   "ON"
 #else
   "OFF"