Remove default support for Google Cloud Platform that was introduced recently.

Some users do not want or need this support and it significantly increases
their dependencies and binary sizes.  After this change, users must explicitly
depend on :gcs_file_system to enable this support.
Change: 143129406

configure

@@ -55,10 +55,41 @@ while true; do
 done
 
 if is_windows; then
+  TF_NEED_GCP=0
   TF_NEED_HDFS=0
   TF_NEED_OPENCL=0
 fi
 
+while [ "$TF_NEED_GCP" == "" ]; do
+  read -p "Do you wish to build TensorFlow with "\
+"Google Cloud Platform support? [y/N] " INPUT
+  case $INPUT in
+    [Yy]* ) echo "Google Cloud Platform support will be enabled for "\
+"TensorFlow"; TF_NEED_GCP=1;;
+    [Nn]* ) echo "No Google Cloud Platform support will be enabled for "\
+"TensorFlow"; TF_NEED_GCP=0;;
+    "" ) echo "No Google Cloud Platform support will be enabled for "\
+"TensorFlow"; TF_NEED_GCP=0;;
+    * ) echo "Invalid selection: " $INPUT;;
+  esac
+done
+
+if [ "$TF_NEED_GCP" == "1" ]; then
+  ## Verify that libcurl header files are available.
+  # Only check Linux, since on MacOS the header files are installed with XCode.
+  if [[ $(uname -a) =~ Linux ]] && [[ ! -f "/usr/include/curl/curl.h" ]]; then
+    echo "ERROR: It appears that the development version of libcurl is not "\
+"available. Please install the libcurl3-dev package."
+    exit 1
+  fi
+
+  # Update Bazel build configuration.
+  sed -i -e "s/WITH_GCP_SUPPORT = False/WITH_GCP_SUPPORT = True/" tensorflow/core/platform/default/build_config.bzl
+else
+  # Update Bazel build configuration.
+  sed -i -e "s/WITH_GCP_SUPPORT = True/WITH_GCP_SUPPORT = False/" tensorflow/core/platform/default/build_config.bzl
+fi
+
 while [ "$TF_NEED_HDFS" == "" ]; do
   read -p "Do you wish to build TensorFlow with "\
 "Hadoop File System support? [y/N] " INPUT

tensorflow/core/BUILD

@@ -1351,7 +1351,6 @@ tf_cuda_library(
         ":protos_all_cc",
         "//third_party/eigen3",
         "//tensorflow/core/kernels:required",
-        "//tensorflow/core/platform/cloud:gcs_file_system",
     ] + tf_additional_lib_deps(),
     alwayslink = 1,
 )

tensorflow/core/platform/default/build_config.bzl

@@ -4,6 +4,7 @@ load("@protobuf//:protobuf.bzl", "cc_proto_library")
 load("@protobuf//:protobuf.bzl", "py_proto_library")
 
 # configure may change the following lines to True
+WITH_GCP_SUPPORT = False
 WITH_HDFS_SUPPORT = False
 
 # Appends a suffix to a list of deps.
@@ -176,6 +177,8 @@ def tf_kernel_tests_linkstatic():
 
 def tf_additional_lib_deps():
   deps = []
+  if WITH_GCP_SUPPORT:
+    deps.append("//tensorflow/core/platform/cloud:gcs_file_system")
   if WITH_HDFS_SUPPORT:
     deps.append("//tensorflow/core/platform/hadoop:hadoop_file_system")
   return deps

tensorflow/python/BUILD

@@ -2339,7 +2339,6 @@ tf_py_wrap_cc(
         "//tensorflow/core:lib",
         "//tensorflow/core/debug",
         "//tensorflow/core/distributed_runtime:server_lib",
-        "//tensorflow/core/platform/cloud:gcs_file_system",
         "//tensorflow/tools/tfprof/internal:print_model_analysis",
         "//util/python:python_headers",
     ] + tf_additional_lib_deps() + tf_additional_plugin_deps(),