org_tensorflow_objc_cxx17.diff

diff --git a/tensorflow/lite/delegates/gpu/BUILD b/tensorflow/lite/delegates/gpu/BUILD
index 069230ebcf6..3924d7cced7 100644
--- a/tensorflow/lite/delegates/gpu/BUILD
+++ b/tensorflow/lite/delegates/gpu/BUILD
@@ -83,6 +83,7 @@ objc_library(
     hdrs = ["metal_delegate.h"],
     module_name = "TensorFlowLiteCMetal",
     sdk_frameworks = ["Metal"],
+    copts = ["-std=c++17"],
     deps = [
         "//tensorflow/lite:kernel_api",
         "//tensorflow/lite:minimal_logging",
diff --git a/tensorflow/lite/delegates/gpu/metal/BUILD b/tensorflow/lite/delegates/gpu/metal/BUILD
index 6dcde34a62f..1adfc28aad9 100644
--- a/tensorflow/lite/delegates/gpu/metal/BUILD
+++ b/tensorflow/lite/delegates/gpu/metal/BUILD
@@ -17,6 +17,7 @@ package(
 
 DEFAULT_COPTS = [
     "-Wno-shorten-64-to-32",
+    "-std=c++17",
 ]
 
 cc_library(