diff --git a/tensorflow/contrib/makefile/Makefile b/tensorflow/contrib/makefile/Makefile
index 1a1ab54a53d..dc846b0c0cb 100644
--- a/tensorflow/contrib/makefile/Makefile
+++ b/tensorflow/contrib/makefile/Makefile
@@ -90,6 +90,7 @@ HOST_INCLUDES := \
 -I$(MAKEFILE_DIR)/downloads/nsync/public \
 -I$(MAKEFILE_DIR)/downloads/fft2d \
 -I$(MAKEFILE_DIR)/downloads/double_conversion \
+-I$(MAKEFILE_DIR)/downloads/absl \
 -I$(HOST_GENDIR)
 ifeq ($(HAS_GEN_HOST_PROTOC),true)
 	HOST_INCLUDES += -I$(MAKEFILE_DIR)/gen/protobuf-host/include
@@ -116,6 +117,21 @@ ifeq ($(HOST_OS),PI)
 	HOST_LIBS += -ldl -lpthread
 endif
 
+# Abseil sources.
+ABSL_CC_ALL_SRCS := \
+$(wildcard tensorflow/contrib/makefile/downloads/absl/absl/*/*.cc) \
+$(wildcard tensorflow/contrib/makefile/downloads/absl/absl/*/*/*.cc) \
+$(wildcard tensorflow/contrib/makefile/downloads/absl/absl/*/*/*/*.cc) \
+$(wildcard tensorflow/contrib/makefile/downloads/absl/absl/*/*/*/*/*.cc)
+
+ABSL_CC_EXCLUDE_SRCS := \
+$(wildcard tensorflow/contrib/makefile/downloads/absl/absl/*/*test*.cc) \
+$(wildcard tensorflow/contrib/makefile/downloads/absl/absl/*/*/*test*.cc) \
+$(wildcard tensorflow/contrib/makefile/downloads/absl/absl/*/*/*/*test*.cc) \
+$(wildcard tensorflow/contrib/makefile/downloads/absl/absl/*/*/*/*/*test*.cc) \
+tensorflow/contrib/makefile/downloads/absl/absl/synchronization/internal/mutex_nonprod.cc
+
+ABSL_CC_SRCS := $(filter-out $(ABSL_CC_EXCLUDE_SRCS), $(ABSL_CC_ALL_SRCS))
 
 # proto_text is a tool that converts protobufs into a form we can use more
 # compactly within TensorFlow. It's a bit like protoc, but is designed to
@@ -125,7 +141,9 @@ endif
 PROTO_TEXT := $(HOST_BINDIR)proto_text
 # The list of dependencies is derived from the Bazel build file by running
 # the gen_file_lists.sh script on a system with a working Bazel setup.
-PROTO_TEXT_CC_FILES := $(shell cat $(MAKEFILE_DIR)/proto_text_cc_files.txt)
+PROTO_TEXT_CC_FILES := \
+  $(ABSL_CC_SRCS) \
+  $(shell cat $(MAKEFILE_DIR)/proto_text_cc_files.txt)
 PROTO_TEXT_PB_CC_LIST := \
 	$(shell cat $(MAKEFILE_DIR)/proto_text_pb_cc_files.txt) \
 	$(wildcard tensorflow/contrib/makefile/downloads/double_conversion/double-conversion/*.cc)
@@ -175,6 +193,7 @@ INCLUDES := \
 -I$(MAKEFILE_DIR)/downloads/nsync/public \
 -I$(MAKEFILE_DIR)/downloads/fft2d \
 -I$(MAKEFILE_DIR)/downloads/double_conversion \
+-I$(MAKEFILE_DIR)/downloads/absl \
 -I$(PROTOGENDIR) \
 -I$(PBTGENDIR)
 ifeq ($(HAS_GEN_HOST_PROTOC),true)
@@ -236,7 +255,6 @@ ifeq ($(TARGET),PI)
 endif
 
 # Set up Android building
-# LINT.IfChange
 ifeq ($(TARGET),ANDROID)
 # Override NDK_ROOT on the command line with your own NDK location, e.g.
 # make -f tensorflow/contrib/makefile/Makefile TARGET=ANDROID \
@@ -331,6 +349,7 @@ $(MARCH_OPTION) \
 -I$(MAKEFILE_DIR)/downloads/nsync/public \
 -I$(MAKEFILE_DIR)/downloads/fft2d \
 -I$(MAKEFILE_DIR)/downloads/double_conversion \
+-I$(MAKEFILE_DIR)/downloads/absl \
 -I$(MAKEFILE_DIR)/gen/protobuf_android/$(ANDROID_ARCH)/include \
 -I$(PROTOGENDIR) \
 -I$(PBTGENDIR)
@@ -446,7 +465,6 @@ $(MARCH_OPTION) \
 		DEPDIR := $(DEPDIR)android_$(ANDROID_ARCH)/
 	endif # ifeq ($(BUILD_FOR_TEGRA),1)
 endif  # ANDROID
-# LINT.ThenChange(//tensorflow/contrib/android/cmake/CMakeLists.txt)
 
 # Settings for iOS.
 ifeq ($(TARGET),IOS)
@@ -596,6 +614,7 @@ BENCHMARK_NAME := $(BINDIR)benchmark
 # gen_file_lists.sh script.
 
 CORE_CC_ALL_SRCS := \
+$(ABSL_CC_SRCS) \
 $(wildcard tensorflow/core/*.cc) \
 $(wildcard tensorflow/core/common_runtime/*.cc) \
 $(wildcard tensorflow/core/framework/*.cc) \
diff --git a/tensorflow/core/BUILD b/tensorflow/core/BUILD
index 515237ff299..992e9336d44 100644
--- a/tensorflow/core/BUILD
+++ b/tensorflow/core/BUILD
@@ -1572,6 +1572,7 @@ cc_library(
     ],
     visibility = ["//visibility:public"],
     deps = [
+        ":mobile_additional_lib_deps",
         ":protos_all_cc_impl",
         ":stats_calculator_portable",
         "//third_party/eigen3",
@@ -1582,6 +1583,11 @@ cc_library(
     alwayslink = 1,
 )
 
+cc_library(
+    name = "mobile_additional_lib_deps",
+    deps = tf_additional_lib_deps(),
+)
+
 # Native library support for iOS applications.
 #
 # bazel  build --config=ios_x86_64 \
@@ -1613,6 +1619,7 @@ cc_library(
     copts = tf_copts() + ["-Os"] + ["-std=c++11"],
     visibility = ["//visibility:public"],
     deps = [
+        ":mobile_additional_lib_deps",
         ":protos_all_cc_impl",
         ":stats_calculator_portable",
         "//third_party/eigen3",
diff --git a/tensorflow/core/platform/default/build_config.bzl b/tensorflow/core/platform/default/build_config.bzl
index 5ec7a82ae9d..6a4ff9a1cb7 100644
--- a/tensorflow/core/platform/default/build_config.bzl
+++ b/tensorflow/core/platform/default/build_config.bzl
@@ -619,11 +619,11 @@ def tf_additional_lib_defines():
         "//tensorflow:with_jemalloc_linux_x86_64": ["TENSORFLOW_USE_JEMALLOC"],
         "//tensorflow:with_jemalloc_linux_ppc64le": ["TENSORFLOW_USE_JEMALLOC"],
         "//conditions:default": [],
-    }) + if_not_mobile(["TENSORFLOW_USE_ABSL"])
+    })
 
 def tf_additional_lib_deps():
     """Additional dependencies needed to build TF libraries."""
-    return if_not_mobile(["@com_google_absl//absl/base:base"]) + if_static(
+    return ["@com_google_absl//absl/base:base"] + if_static(
         ["@nsync//:nsync_cpp"],
         ["@nsync//:nsync_headers"],
     ) + select({
diff --git a/tensorflow/core/platform/posix/port.cc b/tensorflow/core/platform/posix/port.cc
index 1939cf72fba..b46b9927cd3 100644
--- a/tensorflow/core/platform/posix/port.cc
+++ b/tensorflow/core/platform/posix/port.cc
@@ -17,9 +17,7 @@ limitations under the License.
 #include "jemalloc/jemalloc.h"
 #endif
 
-#ifdef TENSORFLOW_USE_ABSL
 #include "absl/base/internal/sysinfo.h"
-#endif
 
 #include "tensorflow/core/platform/cpu_info.h"
 #include "tensorflow/core/platform/logging.h"
@@ -194,11 +192,7 @@ bool Snappy_Uncompress(const char* input, size_t length, char* output) {
 string Demangle(const char* mangled) { return mangled; }
 
 double NominalCPUFrequency() {
-#ifdef TENSORFLOW_USE_ABSL
   return absl::base_internal::NominalCPUFrequency();
-#else
-  return 1.0;
-#endif
 }
 
 int64 AvailableRam() {