1 files changed, 52 insertions, 0 deletions
diff --git a/share/cmake-3.18/Modules/Compiler/AppleClang-CXX-FeatureTests.cmake b/share/cmake-3.18/Modules/Compiler/AppleClang-CXX-FeatureTests.cmake
new file mode 100644
index 0000000..f67082c
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+
+# No known reference for AppleClang versions.
+# Generic reference: http://clang.llvm.org/cxx_status.html
+# http://clang.llvm.org/docs/LanguageExtensions.html
+
+# Note: CXX compiler in Xcode 4.3 does not set __apple_build_version__ and so is
+# not recognized as AppleClang.
+# Xcode_43 - Apple clang version 3.1 (tags/Apple/clang-318.0.61) (based on LLVM 3.1svn)
+# Xcode_44 - Apple clang version 4.0 (tags/Apple/clang-421.0.60) (based on LLVM 3.1svn)
+# Xcode_45 - Apple clang version 4.1 (tags/Apple/clang-421.11.66) (based on LLVM 3.1svn)
+# Xcode_46 - Apple LLVM version 4.2 (clang-425.0.28) (based on LLVM 3.2svn)
+# Xcode_50 - Apple LLVM version 5.0 (clang-500.2.79) (based on LLVM 3.3svn)
+# Xcode_51 - Apple LLVM version 5.1 (clang-503.0.38) (based on LLVM 3.4svn)
+# Xcode_60 - Apple LLVM version 6.0 (clang-600.0.51) (based on LLVM 3.5svn)
+# Xcode_61 - Apple LLVM version 6.0 (clang-600.0.56) (based on LLVM 3.5svn)
+
+# There is some non-correspondance. __has_feature(cxx_user_literals) is
+# false for AppleClang 4.0 and 4.1, although it is reported as
+# supported in the reference link for Clang 3.1.  The compiler does not pass
+# the CompileFeatures/cxx_user_literals.cpp test.
+# cxx_attributes is listed as not supported until Clang 3.3. It works without
+# warning with AppleClang 5.0, but issues a gcc-compat warning for
+# AppleClang 4.0-4.2.
+# cxx_alignof and cxx_alignas tests work for early AppleClang versions, though
+# they are listed as supported for Clang 3.3 and later.
+
+set(_cmake_oldestSupported "((__clang_major__ * 100) + __clang_minor__) >= 400")
+
+include("${CMAKE_CURRENT_LIST_DIR}/Clang-CXX-TestableFeatures.cmake")
+
+set(AppleClang51_CXX14 "((__clang_major__ * 100) + __clang_minor__) >= 501 && __cplusplus > 201103L")
+# http://llvm.org/bugs/show_bug.cgi?id=19242
+set(_cmake_feature_test_cxx_attribute_deprecated "${AppleClang51_CXX14}")
+# http://llvm.org/bugs/show_bug.cgi?id=19698
+set(_cmake_feature_test_cxx_decltype_auto "${AppleClang51_CXX14}")
+set(_cmake_feature_test_cxx_digit_separators "${AppleClang51_CXX14}")
+# http://llvm.org/bugs/show_bug.cgi?id=19674
+set(_cmake_feature_test_cxx_generic_lambdas "${AppleClang51_CXX14}")
+
+set(AppleClang40_CXX11 "${_cmake_oldestSupported} && __cplusplus >= 201103L")
+set(_cmake_feature_test_cxx_enum_forward_declarations "${AppleClang40_CXX11}")
+set(_cmake_feature_test_cxx_sizeof_member "${AppleClang40_CXX11}")
+set(_cmake_feature_test_cxx_extended_friend_declarations "${AppleClang40_CXX11}")
+set(_cmake_feature_test_cxx_extern_templates "${AppleClang40_CXX11}")
+set(_cmake_feature_test_cxx_func_identifier "${AppleClang40_CXX11}")
+set(_cmake_feature_test_cxx_inline_namespaces "${AppleClang40_CXX11}")
+set(_cmake_feature_test_cxx_long_long_type "${AppleClang40_CXX11}")
+set(_cmake_feature_test_cxx_right_angle_brackets "${AppleClang40_CXX11}")
+set(_cmake_feature_test_cxx_variadic_macros "${AppleClang40_CXX11}")
+
+set(AppleClang_CXX98 "${_cmake_oldestSupported} && __cplusplus >= 199711L")
+set(_cmake_feature_test_cxx_template_template_parameters "${AppleClang_CXX98}")