Features: Split the Clang testable features to a separate file.

These tests can be shared with the AppleClang compile feature tests.

2 files changed, 55 insertions, 53 deletions

diff --git a/Modules/Compiler/Clang-CXX-FeatureTests.cmake b/Modules/Compiler/Clang-CXX-FeatureTests.cmake
index 4c532fb..df2e1a8 100644
--- a/Modules/Compiler/Clang-CXX-FeatureTests.cmake
+++ b/Modules/Compiler/Clang-CXX-FeatureTests.cmake
@@ -2,61 +2,9 @@
 # Reference: http://clang.llvm.org/cxx_status.html
 # http://clang.llvm.org/docs/LanguageExtensions.html
 
-set(testable_features
-  cxx_alias_templates
-  cxx_alignas
-  cxx_attributes
-  cxx_auto_type
-  cxx_binary_literals
-  cxx_constexpr
-  cxx_contextual_conversions
-  cxx_decltype
-  cxx_decltype_incomplete_return_types
-  cxx_default_function_template_args
-  cxx_defaulted_functions
-  cxx_delegating_constructors
-  cxx_deleted_functions
-  cxx_explicit_conversions
-  cxx_generalized_initializers
-  cxx_inheriting_constructors
-  cxx_lambdas
-  cxx_local_type_template_args
-  cxx_noexcept
-  cxx_nonstatic_member_init
-  cxx_nullptr
-  cxx_range_for
-  cxx_raw_string_literals
-  cxx_reference_qualified_functions
-  cxx_relaxed_constexpr
-  cxx_return_type_deduction
-  cxx_rvalue_references
-  cxx_static_assert
-  cxx_strong_enums
-  cxx_thread_local
-  cxx_unicode_literals
-  cxx_unrestricted_unions
-  cxx_user_literals
-  cxx_variable_templates
-  cxx_variadic_templates
-)
-
 set(_cmake_oldestSupported "((__clang_major__ * 100) + __clang_minor__) >= 304")
 
-foreach(feature ${testable_features})
-  set(_cmake_feature_test_${feature} "${_cmake_oldestSupported} && __has_feature(${feature})")
-endforeach()
-
-unset(testable_features)
-
-set(_cmake_feature_test_cxx_aggregate_default_initializers "${_cmake_oldestSupported} && __has_feature(cxx_aggregate_nsdmi)")
-
-set(_cmake_feature_test_cxx_trailing_return_types "${_cmake_oldestSupported} && __has_feature(cxx_trailing_return)")
-set(_cmake_feature_test_cxx_alignof "${_cmake_oldestSupported} && __has_feature(cxx_alignas)")
-set(_cmake_feature_test_cxx_final "${_cmake_oldestSupported} && __has_feature(cxx_override_control)")
-set(_cmake_feature_test_cxx_override "${_cmake_oldestSupported} && __has_feature(cxx_override_control)")
-set(_cmake_feature_test_cxx_uniform_initialization "${_cmake_oldestSupported} && __has_feature(cxx_generalized_initializers)")
-set(_cmake_feature_test_cxx_defaulted_move_initializers "${_cmake_oldestSupported} && __has_feature(cxx_defaulted_functions)")
-set(_cmake_feature_test_cxx_lambda_init_captures "${_cmake_oldestSupported} && __has_feature(cxx_init_captures)")
+include("${CMAKE_CURRENT_LIST_DIR}/Clang-CXX-TestableFeatures.cmake")
 
 set(Clang34_CXX14 "((__clang_major__ * 100) + __clang_minor__) >= 304 && __cplusplus > 201103L")
 # http://llvm.org/bugs/show_bug.cgi?id=19242
diff --git a/Modules/Compiler/Clang-CXX-TestableFeatures.cmake b/Modules/Compiler/Clang-CXX-TestableFeatures.cmake
new file mode 100644
index 0000000..b39475c
--- /dev/null
+++ b/Modules/Compiler/Clang-CXX-TestableFeatures.cmake
@@ -0,0 +1,54 @@
+
+set(testable_features
+  cxx_alias_templates
+  cxx_alignas
+  cxx_attributes
+  cxx_auto_type
+  cxx_binary_literals
+  cxx_constexpr
+  cxx_contextual_conversions
+  cxx_decltype
+  cxx_decltype_incomplete_return_types
+  cxx_default_function_template_args
+  cxx_defaulted_functions
+  cxx_delegating_constructors
+  cxx_deleted_functions
+  cxx_explicit_conversions
+  cxx_generalized_initializers
+  cxx_inheriting_constructors
+  cxx_lambdas
+  cxx_local_type_template_args
+  cxx_noexcept
+  cxx_nonstatic_member_init
+  cxx_nullptr
+  cxx_range_for
+  cxx_raw_string_literals
+  cxx_reference_qualified_functions
+  cxx_relaxed_constexpr
+  cxx_return_type_deduction
+  cxx_rvalue_references
+  cxx_static_assert
+  cxx_strong_enums
+  cxx_thread_local
+  cxx_unicode_literals
+  cxx_unrestricted_unions
+  cxx_user_literals
+  cxx_variable_templates
+  cxx_variadic_templates
+)
+
+foreach(feature ${testable_features})
+  set(_cmake_feature_test_${feature} "${_cmake_oldestSupported} && __has_feature(${feature})")
+endforeach()
+
+unset(testable_features)
+
+set(_cmake_feature_test_cxx_aggregate_default_initializers "${_cmake_oldestSupported} && __has_feature(cxx_aggregate_nsdmi)")
+
+set(_cmake_feature_test_cxx_trailing_return_types "${_cmake_oldestSupported} && __has_feature(cxx_trailing_return)")
+set(_cmake_feature_test_cxx_alignof "${_cmake_oldestSupported} && __has_feature(cxx_alignas)")
+set(_cmake_feature_test_cxx_final "${_cmake_oldestSupported} && __has_feature(cxx_override_control)")
+set(_cmake_feature_test_cxx_override "${_cmake_oldestSupported} && __has_feature(cxx_override_control)")
+set(_cmake_feature_test_cxx_uniform_initialization "${_cmake_oldestSupported} && __has_feature(cxx_generalized_initializers)")
+set(_cmake_feature_test_cxx_defaulted_move_initializers "${_cmake_oldestSupported} && __has_feature(cxx_defaulted_functions)")
+set(_cmake_feature_test_cxx_lambda_init_captures "${_cmake_oldestSupported} && __has_feature(cxx_init_captures)")