Adding tensorflow/core/platform:fingerprint, and wiring into tensorflow/core/BUILD.

PiperOrigin-RevId: 276590099
Change-Id: I03ef62b7fccfa7a25151a9666f95c7448d09a9ea

tensorflow/core/BUILD

@@ -2314,6 +2314,7 @@ cc_library(
         "//tensorflow/core/platform:env",
         "//tensorflow/core/platform:error",
         "//tensorflow/core/platform:file_statistics",
+        "//tensorflow/core/platform:fingerprint",
         "//tensorflow/core/platform:load_library",
         "//tensorflow/core/platform:logger",
         "//tensorflow/core/platform:mutex",

tensorflow/core/platform/BUILD

@@ -19,6 +19,7 @@ load(
     "tf_additional_test_srcs",
     "tf_protobuf_compiler_deps",
     "tf_protobuf_deps",
+    "tf_fingerprint_deps",
 )
 load(
     "//tensorflow/core/platform:default/build_refactor.bzl",
@@ -209,6 +210,15 @@ cc_library(
     deps = [":types"],
 )
 
+cc_library(
+    name = "fingerprint",
+    hdrs = ["fingerprint.h"],
+    deps = [
+        ":stringpiece",
+        ":types",
+    ] + tf_fingerprint_deps(),
+)
+
 cc_library(
     name = "gif",
     hdrs = ["gif.h"],
@@ -601,6 +611,7 @@ cc_binary(
         ":dynamic_annotations",
         ":env_time",
         ":file_statistics",
+        ":fingerprint",
         ":gif",
         ":jpeg",
         ":macros",

tensorflow/core/platform/build_test.cc

@@ -24,6 +24,7 @@ limitations under the License.
 #include "tensorflow/core/platform/dynamic_annotations.h"
 #include "tensorflow/core/platform/env_time.h"
 #include "tensorflow/core/platform/file_statistics.h"
+#include "tensorflow/core/platform/fingerprint.h"
 #include "tensorflow/core/platform/gif.h"
 #include "tensorflow/core/platform/host_info.h"
 #include "tensorflow/core/platform/init_main.h"

tensorflow/core/platform/default/build_config.bzl

@@ -689,6 +689,11 @@ def tf_additional_rpc_deps():
 def tf_additional_tensor_coding_deps():
     return []
 
+def tf_fingerprint_deps():
+    return [
+        "@farmhash_archive//:farmhash",
+    ]
+
 def tf_protobuf_deps():
     return if_static(
         [

tensorflow/core/platform/fingerprint.h

@@ -16,7 +16,7 @@ limitations under the License.
 #ifndef TENSORFLOW_CORE_PLATFORM_FINGERPRINT_H_
 #define TENSORFLOW_CORE_PLATFORM_FINGERPRINT_H_
 
-#include "tensorflow/core/lib/core/stringpiece.h"
+#include "tensorflow/core/platform/stringpiece.h"
 #include "tensorflow/core/platform/types.h"
 
 // The following line is used by copybara to set or unset the USE_OSS_FARMHASH