Merge master into merge-0.14-into-master

Conflicts:
- gRPC.podspec
  - Only had non-trivial changes in the core file list, which will need to be
    regenerated (in gRPC-Core.podspec).
- src/objective-c/BoringSSL.podspec
  - Had trivial conflicts in the version.
- src/objective-c/examples/RemoteTestClient/RemoteTest.podspec
  - Trivial conflicts in quoting.
- src/objective-c/examples/Sample/Sample.xcodeproj/project.pbxproj and
src/objective-c/examples/SwiftSample/SwiftSample.xcodeproj/project.pbxproj
  - The master version is used, pending testing. The 0.14 version had emoji and
    some unneeded entries.
- src/objective-c/tests/Podfile
  - Added CronetFramework pod, and warning silencing from master.
- templates/gRPC.podspec.template
  - Deleted.
- third_party/protobuf
  - Using master commit, but need to verify if it works for frameworks.
diff --git a/.gitmodules b/.gitmodules
index c85a539..1e1876b 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -4,7 +4,7 @@
 [submodule "third_party/protobuf"]
 	path = third_party/protobuf
 	url = https://github.com/google/protobuf.git
-	branch = v3.0.0-beta-2
+	branch = v3.0.0-beta-3.1
 [submodule "third_party/gflags"]
 	path = third_party/gflags
 	url = https://github.com/gflags/gflags.git
diff --git a/.travis.yml b/.travis.yml
index fcdfd8b..7576e07 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -39,9 +39,6 @@
   - gem install cocoapods -v '1.0.0'
   - pod --version
   - brew install gflags
-  - pushd third_party/protobuf
-  - git checkout v3.0.0-beta-3
-  - popd
 install:
   - make grpc_objective_c_plugin
   - install bins/opt/grpc_objective_c_plugin /usr/local/bin/protoc-gen-objcgrpc
diff --git a/gRPC-Core.podspec b/gRPC-Core.podspec
new file mode 100644
index 0000000..7e9fe0a
--- /dev/null
+++ b/gRPC-Core.podspec
@@ -0,0 +1,705 @@
+# GRPC CocoaPods podspec
+# This file has been automatically generated from a template file. Please make modifications to
+# `templates/gRPC-Core.podspec.template` instead. This file can be regenerated from the template by
+# running `tools/buildgen/generate_projects.sh`.
+
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+Pod::Spec.new do |s|
+  s.name     = 'gRPC-Core'
+  version = '0.14.0'
+  s.version  = version
+  s.summary  = 'Core cross-platform gRPC library, written in C'
+  s.homepage = 'http://www.grpc.io'
+  s.license  = 'New BSD'
+  s.authors  = { 'The gRPC contributors' => 'grpc-packages@google.com' }
+
+  s.source = {
+    :git => 'https://github.com/grpc/grpc.git',
+    :tag => "release-#{version.gsub(/\./, '_')}-objectivec-#{version}",
+    # TODO(jcanizales): Depend explicitly on the nanopb pod, and disable submodules.
+    :submodules => true,
+  }
+
+  s.ios.deployment_target = '7.1'
+  s.osx.deployment_target = '10.9'
+  s.requires_arc = false
+
+  name = 'grpc'
+
+  # When creating a dynamic framework, name it grpc.framework instead of gRPC-Core.framework.
+  # This lets users write their includes like `#include <grpc/grpc.h>` as opposed to `#include
+  # <gRPC-Core/grpc.h>`.
+  s.module_name = name
+
+  # When creating a dynamic framework, copy the headers under `include/grpc/` into the root of
+  # the `Headers/` directory of the framework (i.e., not under `Headers/include/grpc`).
+  #
+  # TODO(jcanizales): Debug why this doesn't work on macOS.
+  s.header_mappings_dir = 'include/grpc'
+
+  # The above has an undesired effect when creating a static library: It forces users to write
+  # includes like `#include <gRPC-Core/grpc.h>`. `s.header_dir` adds a path prefix to that, and
+  # because Cocoapods lets omit the pod name when including headers of static libraries, the
+  # following lets users write `#include <grpc/grpc.h>`.
+  s.header_dir = name
+
+  # The module map created automatically by Cocoapods doesn't work for C libraries like gRPC-Core.
+  s.module_map = 'include/grpc/module.modulemap'
+
+  # To compile the library, we need the user headers search path (quoted includes) to point to the
+  # root of the repo, and the system headers search path (angled includes) to point to `include/`.
+  # Cocoapods effectively clones the repo under `<Podfile dir>/Pods/gRPC-Core/`, and sets a build
+  # variable called `$(PODS_ROOT)` to `<Podfile dir>/Pods/`, so we use that.
+  #
+  # Relying on the file structure under $(PODS_ROOT) isn't officially supported in Cocoapods, as it
+  # is taken as an implementation detail. We've asked for an alternative, and have been told that
+  # what we're doing should keep working: https://github.com/CocoaPods/CocoaPods/issues/4386
+  #
+  # The `src_root` value of `$(PODS_ROOT)/gRPC-Core` assumes Cocoapods is installing this pod from
+  # its remote repo. For local development of this library, enabled by using `:path` in the Podfile,
+  # that assumption is wrong. In such case, the following settings need to be reset with the
+  # appropriate value of `src_root`. This can be accomplished in the `pre_install` hook of the
+  # Podfile; see `src/objective-c/tests/Podfile` for an example.
+  src_root = '$(PODS_ROOT)/gRPC-Core'
+  s.pod_target_xcconfig = {
+    'GRPC_SRC_ROOT' => src_root,
+    'HEADER_SEARCH_PATHS' => '"$(inherited)" "$(GRPC_SRC_ROOT)/include"',
+    'USER_HEADER_SEARCH_PATHS' => '"$(GRPC_SRC_ROOT)"',
+    # If we don't set these two settings, `include/grpc/support/time.h` and
+    # `src/core/lib/support/string.h` shadow the system `<time.h>` and `<string.h>`, breaking the
+    # build.
+    'USE_HEADERMAP' => 'NO',
+    'ALWAYS_SEARCH_USER_PATHS' => 'NO',
+  }
+
+  # Like many other C libraries, gRPC-Core has its public headers under `include/<libname>/` and its
+  # sources and private headers in other directories outside `include/`. Cocoapods' linter doesn't
+  # allow any header to be listed outside the `header_mappings_dir` (even though doing so works in
+  # practice). Because we need our `header_mappings_dir` to be `include/grpc/` for the reason
+  # mentioned above, we work around the linter limitation by dividing the pod into two subspecs, one
+  # for public headers and the other for implementation. Each gets its own `header_mappings_dir`,
+  # making the linter happy.
+  #
+  # The list of source files is generated by a template: `templates/gRPC-Core.podspec.template`. It
+  # can be regenerated from the template by running `tools/buildgen/generate_projects.sh`.
+  s.subspec 'Interface' do |ss|
+    ss.header_mappings_dir = 'include/grpc'
+
+    ss.source_files = 'include/grpc/support/alloc.h',
+                      'include/grpc/support/atm.h',
+                      'include/grpc/support/atm_gcc_atomic.h',
+                      'include/grpc/support/atm_gcc_sync.h',
+                      'include/grpc/support/atm_win32.h',
+                      'include/grpc/support/avl.h',
+                      'include/grpc/support/cmdline.h',
+                      'include/grpc/support/cpu.h',
+                      'include/grpc/support/histogram.h',
+                      'include/grpc/support/host_port.h',
+                      'include/grpc/support/log.h',
+                      'include/grpc/support/log_win32.h',
+                      'include/grpc/support/port_platform.h',
+                      'include/grpc/support/slice.h',
+                      'include/grpc/support/slice_buffer.h',
+                      'include/grpc/support/string_util.h',
+                      'include/grpc/support/subprocess.h',
+                      'include/grpc/support/sync.h',
+                      'include/grpc/support/sync_generic.h',
+                      'include/grpc/support/sync_posix.h',
+                      'include/grpc/support/sync_win32.h',
+                      'include/grpc/support/thd.h',
+                      'include/grpc/support/time.h',
+                      'include/grpc/support/tls.h',
+                      'include/grpc/support/tls_gcc.h',
+                      'include/grpc/support/tls_msvc.h',
+                      'include/grpc/support/tls_pthread.h',
+                      'include/grpc/support/useful.h',
+                      'include/grpc/impl/codegen/alloc.h',
+                      'include/grpc/impl/codegen/atm.h',
+                      'include/grpc/impl/codegen/atm_gcc_atomic.h',
+                      'include/grpc/impl/codegen/atm_gcc_sync.h',
+                      'include/grpc/impl/codegen/atm_win32.h',
+                      'include/grpc/impl/codegen/log.h',
+                      'include/grpc/impl/codegen/port_platform.h',
+                      'include/grpc/impl/codegen/slice.h',
+                      'include/grpc/impl/codegen/slice_buffer.h',
+                      'include/grpc/impl/codegen/sync.h',
+                      'include/grpc/impl/codegen/sync_generic.h',
+                      'include/grpc/impl/codegen/sync_posix.h',
+                      'include/grpc/impl/codegen/sync_win32.h',
+                      'include/grpc/impl/codegen/time.h',
+                      'include/grpc/byte_buffer.h',
+                      'include/grpc/byte_buffer_reader.h',
+                      'include/grpc/compression.h',
+                      'include/grpc/grpc.h',
+                      'include/grpc/status.h',
+                      'include/grpc/impl/codegen/byte_buffer.h',
+                      'include/grpc/impl/codegen/byte_buffer_reader.h',
+                      'include/grpc/impl/codegen/compression_types.h',
+                      'include/grpc/impl/codegen/connectivity_state.h',
+                      'include/grpc/impl/codegen/grpc_types.h',
+                      'include/grpc/impl/codegen/propagation_bits.h',
+                      'include/grpc/impl/codegen/status.h',
+                      'include/grpc/impl/codegen/alloc.h',
+                      'include/grpc/impl/codegen/atm.h',
+                      'include/grpc/impl/codegen/atm_gcc_atomic.h',
+                      'include/grpc/impl/codegen/atm_gcc_sync.h',
+                      'include/grpc/impl/codegen/atm_win32.h',
+                      'include/grpc/impl/codegen/log.h',
+                      'include/grpc/impl/codegen/port_platform.h',
+                      'include/grpc/impl/codegen/slice.h',
+                      'include/grpc/impl/codegen/slice_buffer.h',
+                      'include/grpc/impl/codegen/sync.h',
+                      'include/grpc/impl/codegen/sync_generic.h',
+                      'include/grpc/impl/codegen/sync_posix.h',
+                      'include/grpc/impl/codegen/sync_win32.h',
+                      'include/grpc/impl/codegen/time.h',
+                      'include/grpc/grpc_security.h',
+                      'include/grpc/grpc_security_constants.h',
+                      'include/grpc/census.h'
+  end
+  s.subspec 'Implementation' do |ss|
+    ss.header_mappings_dir = '.'
+    ss.libraries = 'z'
+    ss.dependency "#{s.name}/Interface", version
+    ss.dependency 'BoringSSL', '~> 4.0'
+
+    # To save you from scrolling, this is the last part of the podspec.
+    ss.source_files = 'src/core/lib/profiling/timers.h',
+                      'src/core/lib/support/backoff.h',
+                      'src/core/lib/support/block_annotate.h',
+                      'src/core/lib/support/env.h',
+                      'src/core/lib/support/load_file.h',
+                      'src/core/lib/support/murmur_hash.h',
+                      'src/core/lib/support/stack_lockfree.h',
+                      'src/core/lib/support/string.h',
+                      'src/core/lib/support/string_win32.h',
+                      'src/core/lib/support/thd_internal.h',
+                      'src/core/lib/support/time_precise.h',
+                      'src/core/lib/support/tmpfile.h',
+                      'src/core/lib/profiling/basic_timers.c',
+                      'src/core/lib/profiling/stap_timers.c',
+                      'src/core/lib/support/alloc.c',
+                      'src/core/lib/support/avl.c',
+                      'src/core/lib/support/backoff.c',
+                      'src/core/lib/support/cmdline.c',
+                      'src/core/lib/support/cpu_iphone.c',
+                      'src/core/lib/support/cpu_linux.c',
+                      'src/core/lib/support/cpu_posix.c',
+                      'src/core/lib/support/cpu_windows.c',
+                      'src/core/lib/support/env_linux.c',
+                      'src/core/lib/support/env_posix.c',
+                      'src/core/lib/support/env_win32.c',
+                      'src/core/lib/support/histogram.c',
+                      'src/core/lib/support/host_port.c',
+                      'src/core/lib/support/load_file.c',
+                      'src/core/lib/support/log.c',
+                      'src/core/lib/support/log_android.c',
+                      'src/core/lib/support/log_linux.c',
+                      'src/core/lib/support/log_posix.c',
+                      'src/core/lib/support/log_win32.c',
+                      'src/core/lib/support/murmur_hash.c',
+                      'src/core/lib/support/slice.c',
+                      'src/core/lib/support/slice_buffer.c',
+                      'src/core/lib/support/stack_lockfree.c',
+                      'src/core/lib/support/string.c',
+                      'src/core/lib/support/string_posix.c',
+                      'src/core/lib/support/string_util_win32.c',
+                      'src/core/lib/support/string_win32.c',
+                      'src/core/lib/support/subprocess_posix.c',
+                      'src/core/lib/support/subprocess_windows.c',
+                      'src/core/lib/support/sync.c',
+                      'src/core/lib/support/sync_posix.c',
+                      'src/core/lib/support/sync_win32.c',
+                      'src/core/lib/support/thd.c',
+                      'src/core/lib/support/thd_posix.c',
+                      'src/core/lib/support/thd_win32.c',
+                      'src/core/lib/support/time.c',
+                      'src/core/lib/support/time_posix.c',
+                      'src/core/lib/support/time_precise.c',
+                      'src/core/lib/support/time_win32.c',
+                      'src/core/lib/support/tls_pthread.c',
+                      'src/core/lib/support/tmpfile_msys.c',
+                      'src/core/lib/support/tmpfile_posix.c',
+                      'src/core/lib/support/tmpfile_win32.c',
+                      'src/core/lib/support/wrap_memcpy.c',
+                      'src/core/lib/channel/channel_args.h',
+                      'src/core/lib/channel/channel_stack.h',
+                      'src/core/lib/channel/channel_stack_builder.h',
+                      'src/core/lib/channel/compress_filter.h',
+                      'src/core/lib/channel/connected_channel.h',
+                      'src/core/lib/channel/context.h',
+                      'src/core/lib/channel/http_client_filter.h',
+                      'src/core/lib/channel/http_server_filter.h',
+                      'src/core/lib/compression/algorithm_metadata.h',
+                      'src/core/lib/compression/message_compress.h',
+                      'src/core/lib/debug/trace.h',
+                      'src/core/lib/http/format_request.h',
+                      'src/core/lib/http/httpcli.h',
+                      'src/core/lib/http/parser.h',
+                      'src/core/lib/iomgr/closure.h',
+                      'src/core/lib/iomgr/endpoint.h',
+                      'src/core/lib/iomgr/endpoint_pair.h',
+                      'src/core/lib/iomgr/ev_poll_and_epoll_posix.h',
+                      'src/core/lib/iomgr/ev_posix.h',
+                      'src/core/lib/iomgr/exec_ctx.h',
+                      'src/core/lib/iomgr/executor.h',
+                      'src/core/lib/iomgr/iocp_windows.h',
+                      'src/core/lib/iomgr/iomgr.h',
+                      'src/core/lib/iomgr/iomgr_internal.h',
+                      'src/core/lib/iomgr/iomgr_posix.h',
+                      'src/core/lib/iomgr/pollset.h',
+                      'src/core/lib/iomgr/pollset_set.h',
+                      'src/core/lib/iomgr/pollset_set_windows.h',
+                      'src/core/lib/iomgr/pollset_windows.h',
+                      'src/core/lib/iomgr/resolve_address.h',
+                      'src/core/lib/iomgr/sockaddr.h',
+                      'src/core/lib/iomgr/sockaddr_posix.h',
+                      'src/core/lib/iomgr/sockaddr_utils.h',
+                      'src/core/lib/iomgr/sockaddr_win32.h',
+                      'src/core/lib/iomgr/socket_utils_posix.h',
+                      'src/core/lib/iomgr/socket_windows.h',
+                      'src/core/lib/iomgr/tcp_client.h',
+                      'src/core/lib/iomgr/tcp_posix.h',
+                      'src/core/lib/iomgr/tcp_server.h',
+                      'src/core/lib/iomgr/tcp_windows.h',
+                      'src/core/lib/iomgr/time_averaged_stats.h',
+                      'src/core/lib/iomgr/timer.h',
+                      'src/core/lib/iomgr/timer_heap.h',
+                      'src/core/lib/iomgr/udp_server.h',
+                      'src/core/lib/iomgr/unix_sockets_posix.h',
+                      'src/core/lib/iomgr/wakeup_fd_pipe.h',
+                      'src/core/lib/iomgr/wakeup_fd_posix.h',
+                      'src/core/lib/iomgr/workqueue.h',
+                      'src/core/lib/iomgr/workqueue_posix.h',
+                      'src/core/lib/iomgr/workqueue_windows.h',
+                      'src/core/lib/json/json.h',
+                      'src/core/lib/json/json_common.h',
+                      'src/core/lib/json/json_reader.h',
+                      'src/core/lib/json/json_writer.h',
+                      'src/core/lib/surface/api_trace.h',
+                      'src/core/lib/surface/call.h',
+                      'src/core/lib/surface/call_test_only.h',
+                      'src/core/lib/surface/channel.h',
+                      'src/core/lib/surface/channel_init.h',
+                      'src/core/lib/surface/channel_stack_type.h',
+                      'src/core/lib/surface/completion_queue.h',
+                      'src/core/lib/surface/event_string.h',
+                      'src/core/lib/surface/init.h',
+                      'src/core/lib/surface/lame_client.h',
+                      'src/core/lib/surface/server.h',
+                      'src/core/lib/surface/surface_trace.h',
+                      'src/core/lib/transport/byte_stream.h',
+                      'src/core/lib/transport/connectivity_state.h',
+                      'src/core/lib/transport/metadata.h',
+                      'src/core/lib/transport/metadata_batch.h',
+                      'src/core/lib/transport/static_metadata.h',
+                      'src/core/lib/transport/transport.h',
+                      'src/core/lib/transport/transport_impl.h',
+                      'src/core/ext/transport/chttp2/transport/bin_encoder.h',
+                      'src/core/ext/transport/chttp2/transport/chttp2_transport.h',
+                      'src/core/ext/transport/chttp2/transport/frame.h',
+                      'src/core/ext/transport/chttp2/transport/frame_data.h',
+                      'src/core/ext/transport/chttp2/transport/frame_goaway.h',
+                      'src/core/ext/transport/chttp2/transport/frame_ping.h',
+                      'src/core/ext/transport/chttp2/transport/frame_rst_stream.h',
+                      'src/core/ext/transport/chttp2/transport/frame_settings.h',
+                      'src/core/ext/transport/chttp2/transport/frame_window_update.h',
+                      'src/core/ext/transport/chttp2/transport/hpack_encoder.h',
+                      'src/core/ext/transport/chttp2/transport/hpack_parser.h',
+                      'src/core/ext/transport/chttp2/transport/hpack_table.h',
+                      'src/core/ext/transport/chttp2/transport/http2_errors.h',
+                      'src/core/ext/transport/chttp2/transport/huffsyms.h',
+                      'src/core/ext/transport/chttp2/transport/incoming_metadata.h',
+                      'src/core/ext/transport/chttp2/transport/internal.h',
+                      'src/core/ext/transport/chttp2/transport/status_conversion.h',
+                      'src/core/ext/transport/chttp2/transport/stream_map.h',
+                      'src/core/ext/transport/chttp2/transport/timeout_encoding.h',
+                      'src/core/ext/transport/chttp2/transport/varint.h',
+                      'src/core/ext/transport/chttp2/alpn/alpn.h',
+                      'src/core/lib/security/auth_filters.h',
+                      'src/core/lib/security/b64.h',
+                      'src/core/lib/security/credentials.h',
+                      'src/core/lib/security/handshake.h',
+                      'src/core/lib/security/json_token.h',
+                      'src/core/lib/security/jwt_verifier.h',
+                      'src/core/lib/security/secure_endpoint.h',
+                      'src/core/lib/security/security_connector.h',
+                      'src/core/lib/security/security_context.h',
+                      'src/core/lib/tsi/fake_transport_security.h',
+                      'src/core/lib/tsi/ssl_transport_security.h',
+                      'src/core/lib/tsi/ssl_types.h',
+                      'src/core/lib/tsi/transport_security.h',
+                      'src/core/lib/tsi/transport_security_interface.h',
+                      'src/core/ext/client_config/client_channel.h',
+                      'src/core/ext/client_config/client_channel_factory.h',
+                      'src/core/ext/client_config/client_config.h',
+                      'src/core/ext/client_config/connector.h',
+                      'src/core/ext/client_config/initial_connect_string.h',
+                      'src/core/ext/client_config/lb_policy.h',
+                      'src/core/ext/client_config/lb_policy_factory.h',
+                      'src/core/ext/client_config/lb_policy_registry.h',
+                      'src/core/ext/client_config/parse_address.h',
+                      'src/core/ext/client_config/resolver.h',
+                      'src/core/ext/client_config/resolver_factory.h',
+                      'src/core/ext/client_config/resolver_registry.h',
+                      'src/core/ext/client_config/subchannel.h',
+                      'src/core/ext/client_config/subchannel_call_holder.h',
+                      'src/core/ext/client_config/subchannel_index.h',
+                      'src/core/ext/client_config/uri_parser.h',
+                      'src/core/ext/lb_policy/grpclb/load_balancer_api.h',
+                      'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h',
+                      'third_party/nanopb/pb.h',
+                      'third_party/nanopb/pb_common.h',
+                      'third_party/nanopb/pb_decode.h',
+                      'third_party/nanopb/pb_encode.h',
+                      'src/core/ext/census/aggregation.h',
+                      'src/core/ext/census/census_interface.h',
+                      'src/core/ext/census/census_rpc_stats.h',
+                      'src/core/ext/census/grpc_filter.h',
+                      'src/core/ext/census/mlog.h',
+                      'src/core/ext/census/rpc_metric_id.h',
+                      'src/core/lib/surface/init.c',
+                      'src/core/lib/channel/channel_args.c',
+                      'src/core/lib/channel/channel_stack.c',
+                      'src/core/lib/channel/channel_stack_builder.c',
+                      'src/core/lib/channel/compress_filter.c',
+                      'src/core/lib/channel/connected_channel.c',
+                      'src/core/lib/channel/http_client_filter.c',
+                      'src/core/lib/channel/http_server_filter.c',
+                      'src/core/lib/compression/compression_algorithm.c',
+                      'src/core/lib/compression/message_compress.c',
+                      'src/core/lib/debug/trace.c',
+                      'src/core/lib/http/format_request.c',
+                      'src/core/lib/http/httpcli.c',
+                      'src/core/lib/http/parser.c',
+                      'src/core/lib/iomgr/closure.c',
+                      'src/core/lib/iomgr/endpoint.c',
+                      'src/core/lib/iomgr/endpoint_pair_posix.c',
+                      'src/core/lib/iomgr/endpoint_pair_windows.c',
+                      'src/core/lib/iomgr/ev_poll_and_epoll_posix.c',
+                      'src/core/lib/iomgr/ev_posix.c',
+                      'src/core/lib/iomgr/exec_ctx.c',
+                      'src/core/lib/iomgr/executor.c',
+                      'src/core/lib/iomgr/iocp_windows.c',
+                      'src/core/lib/iomgr/iomgr.c',
+                      'src/core/lib/iomgr/iomgr_posix.c',
+                      'src/core/lib/iomgr/iomgr_windows.c',
+                      'src/core/lib/iomgr/pollset_set_windows.c',
+                      'src/core/lib/iomgr/pollset_windows.c',
+                      'src/core/lib/iomgr/resolve_address_posix.c',
+                      'src/core/lib/iomgr/resolve_address_windows.c',
+                      'src/core/lib/iomgr/sockaddr_utils.c',
+                      'src/core/lib/iomgr/socket_utils_common_posix.c',
+                      'src/core/lib/iomgr/socket_utils_linux.c',
+                      'src/core/lib/iomgr/socket_utils_posix.c',
+                      'src/core/lib/iomgr/socket_windows.c',
+                      'src/core/lib/iomgr/tcp_client_posix.c',
+                      'src/core/lib/iomgr/tcp_client_windows.c',
+                      'src/core/lib/iomgr/tcp_posix.c',
+                      'src/core/lib/iomgr/tcp_server_posix.c',
+                      'src/core/lib/iomgr/tcp_server_windows.c',
+                      'src/core/lib/iomgr/tcp_windows.c',
+                      'src/core/lib/iomgr/time_averaged_stats.c',
+                      'src/core/lib/iomgr/timer.c',
+                      'src/core/lib/iomgr/timer_heap.c',
+                      'src/core/lib/iomgr/udp_server.c',
+                      'src/core/lib/iomgr/unix_sockets_posix.c',
+                      'src/core/lib/iomgr/unix_sockets_posix_noop.c',
+                      'src/core/lib/iomgr/wakeup_fd_eventfd.c',
+                      'src/core/lib/iomgr/wakeup_fd_nospecial.c',
+                      'src/core/lib/iomgr/wakeup_fd_pipe.c',
+                      'src/core/lib/iomgr/wakeup_fd_posix.c',
+                      'src/core/lib/iomgr/workqueue_posix.c',
+                      'src/core/lib/iomgr/workqueue_windows.c',
+                      'src/core/lib/json/json.c',
+                      'src/core/lib/json/json_reader.c',
+                      'src/core/lib/json/json_string.c',
+                      'src/core/lib/json/json_writer.c',
+                      'src/core/lib/surface/alarm.c',
+                      'src/core/lib/surface/api_trace.c',
+                      'src/core/lib/surface/byte_buffer.c',
+                      'src/core/lib/surface/byte_buffer_reader.c',
+                      'src/core/lib/surface/call.c',
+                      'src/core/lib/surface/call_details.c',
+                      'src/core/lib/surface/call_log_batch.c',
+                      'src/core/lib/surface/channel.c',
+                      'src/core/lib/surface/channel_init.c',
+                      'src/core/lib/surface/channel_ping.c',
+                      'src/core/lib/surface/channel_stack_type.c',
+                      'src/core/lib/surface/completion_queue.c',
+                      'src/core/lib/surface/event_string.c',
+                      'src/core/lib/surface/lame_client.c',
+                      'src/core/lib/surface/metadata_array.c',
+                      'src/core/lib/surface/server.c',
+                      'src/core/lib/surface/validate_metadata.c',
+                      'src/core/lib/surface/version.c',
+                      'src/core/lib/transport/byte_stream.c',
+                      'src/core/lib/transport/connectivity_state.c',
+                      'src/core/lib/transport/metadata.c',
+                      'src/core/lib/transport/metadata_batch.c',
+                      'src/core/lib/transport/static_metadata.c',
+                      'src/core/lib/transport/transport.c',
+                      'src/core/lib/transport/transport_op_string.c',
+                      'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
+                      'src/core/ext/transport/chttp2/transport/bin_encoder.c',
+                      'src/core/ext/transport/chttp2/transport/chttp2_plugin.c',
+                      'src/core/ext/transport/chttp2/transport/chttp2_transport.c',
+                      'src/core/ext/transport/chttp2/transport/frame_data.c',
+                      'src/core/ext/transport/chttp2/transport/frame_goaway.c',
+                      'src/core/ext/transport/chttp2/transport/frame_ping.c',
+                      'src/core/ext/transport/chttp2/transport/frame_rst_stream.c',
+                      'src/core/ext/transport/chttp2/transport/frame_settings.c',
+                      'src/core/ext/transport/chttp2/transport/frame_window_update.c',
+                      'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
+                      'src/core/ext/transport/chttp2/transport/hpack_parser.c',
+                      'src/core/ext/transport/chttp2/transport/hpack_table.c',
+                      'src/core/ext/transport/chttp2/transport/huffsyms.c',
+                      'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
+                      'src/core/ext/transport/chttp2/transport/parsing.c',
+                      'src/core/ext/transport/chttp2/transport/status_conversion.c',
+                      'src/core/ext/transport/chttp2/transport/stream_lists.c',
+                      'src/core/ext/transport/chttp2/transport/stream_map.c',
+                      'src/core/ext/transport/chttp2/transport/timeout_encoding.c',
+                      'src/core/ext/transport/chttp2/transport/varint.c',
+                      'src/core/ext/transport/chttp2/transport/writing.c',
+                      'src/core/ext/transport/chttp2/alpn/alpn.c',
+                      'src/core/lib/http/httpcli_security_connector.c',
+                      'src/core/lib/security/b64.c',
+                      'src/core/lib/security/client_auth_filter.c',
+                      'src/core/lib/security/credentials.c',
+                      'src/core/lib/security/credentials_metadata.c',
+                      'src/core/lib/security/credentials_posix.c',
+                      'src/core/lib/security/credentials_win32.c',
+                      'src/core/lib/security/google_default_credentials.c',
+                      'src/core/lib/security/handshake.c',
+                      'src/core/lib/security/json_token.c',
+                      'src/core/lib/security/jwt_verifier.c',
+                      'src/core/lib/security/secure_endpoint.c',
+                      'src/core/lib/security/security_connector.c',
+                      'src/core/lib/security/security_context.c',
+                      'src/core/lib/security/server_auth_filter.c',
+                      'src/core/lib/surface/init_secure.c',
+                      'src/core/lib/tsi/fake_transport_security.c',
+                      'src/core/lib/tsi/ssl_transport_security.c',
+                      'src/core/lib/tsi/transport_security.c',
+                      'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
+                      'src/core/ext/client_config/channel_connectivity.c',
+                      'src/core/ext/client_config/client_channel.c',
+                      'src/core/ext/client_config/client_channel_factory.c',
+                      'src/core/ext/client_config/client_config.c',
+                      'src/core/ext/client_config/client_config_plugin.c',
+                      'src/core/ext/client_config/connector.c',
+                      'src/core/ext/client_config/default_initial_connect_string.c',
+                      'src/core/ext/client_config/initial_connect_string.c',
+                      'src/core/ext/client_config/lb_policy.c',
+                      'src/core/ext/client_config/lb_policy_factory.c',
+                      'src/core/ext/client_config/lb_policy_registry.c',
+                      'src/core/ext/client_config/parse_address.c',
+                      'src/core/ext/client_config/resolver.c',
+                      'src/core/ext/client_config/resolver_factory.c',
+                      'src/core/ext/client_config/resolver_registry.c',
+                      'src/core/ext/client_config/subchannel.c',
+                      'src/core/ext/client_config/subchannel_call_holder.c',
+                      'src/core/ext/client_config/subchannel_index.c',
+                      'src/core/ext/client_config/uri_parser.c',
+                      'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
+                      'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
+                      'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
+                      'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.c',
+                      'third_party/nanopb/pb_common.c',
+                      'third_party/nanopb/pb_decode.c',
+                      'third_party/nanopb/pb_encode.c',
+                      'src/core/ext/lb_policy/pick_first/pick_first.c',
+                      'src/core/ext/lb_policy/round_robin/round_robin.c',
+                      'src/core/ext/resolver/dns/native/dns_resolver.c',
+                      'src/core/ext/resolver/sockaddr/sockaddr_resolver.c',
+                      'src/core/ext/census/context.c',
+                      'src/core/ext/census/grpc_context.c',
+                      'src/core/ext/census/grpc_filter.c',
+                      'src/core/ext/census/grpc_plugin.c',
+                      'src/core/ext/census/initialize.c',
+                      'src/core/ext/census/mlog.c',
+                      'src/core/ext/census/operation.c',
+                      'src/core/ext/census/placeholders.c',
+                      'src/core/ext/census/tracing.c',
+                      'src/core/plugin_registry/grpc_plugin_registry.c'
+
+    ss.private_header_files = 'src/core/lib/profiling/timers.h',
+                              'src/core/lib/support/backoff.h',
+                              'src/core/lib/support/block_annotate.h',
+                              'src/core/lib/support/env.h',
+                              'src/core/lib/support/load_file.h',
+                              'src/core/lib/support/murmur_hash.h',
+                              'src/core/lib/support/stack_lockfree.h',
+                              'src/core/lib/support/string.h',
+                              'src/core/lib/support/string_win32.h',
+                              'src/core/lib/support/thd_internal.h',
+                              'src/core/lib/support/time_precise.h',
+                              'src/core/lib/support/tmpfile.h',
+                              'src/core/lib/channel/channel_args.h',
+                              'src/core/lib/channel/channel_stack.h',
+                              'src/core/lib/channel/channel_stack_builder.h',
+                              'src/core/lib/channel/compress_filter.h',
+                              'src/core/lib/channel/connected_channel.h',
+                              'src/core/lib/channel/context.h',
+                              'src/core/lib/channel/http_client_filter.h',
+                              'src/core/lib/channel/http_server_filter.h',
+                              'src/core/lib/compression/algorithm_metadata.h',
+                              'src/core/lib/compression/message_compress.h',
+                              'src/core/lib/debug/trace.h',
+                              'src/core/lib/http/format_request.h',
+                              'src/core/lib/http/httpcli.h',
+                              'src/core/lib/http/parser.h',
+                              'src/core/lib/iomgr/closure.h',
+                              'src/core/lib/iomgr/endpoint.h',
+                              'src/core/lib/iomgr/endpoint_pair.h',
+                              'src/core/lib/iomgr/ev_poll_and_epoll_posix.h',
+                              'src/core/lib/iomgr/ev_posix.h',
+                              'src/core/lib/iomgr/exec_ctx.h',
+                              'src/core/lib/iomgr/executor.h',
+                              'src/core/lib/iomgr/iocp_windows.h',
+                              'src/core/lib/iomgr/iomgr.h',
+                              'src/core/lib/iomgr/iomgr_internal.h',
+                              'src/core/lib/iomgr/iomgr_posix.h',
+                              'src/core/lib/iomgr/pollset.h',
+                              'src/core/lib/iomgr/pollset_set.h',
+                              'src/core/lib/iomgr/pollset_set_windows.h',
+                              'src/core/lib/iomgr/pollset_windows.h',
+                              'src/core/lib/iomgr/resolve_address.h',
+                              'src/core/lib/iomgr/sockaddr.h',
+                              'src/core/lib/iomgr/sockaddr_posix.h',
+                              'src/core/lib/iomgr/sockaddr_utils.h',
+                              'src/core/lib/iomgr/sockaddr_win32.h',
+                              'src/core/lib/iomgr/socket_utils_posix.h',
+                              'src/core/lib/iomgr/socket_windows.h',
+                              'src/core/lib/iomgr/tcp_client.h',
+                              'src/core/lib/iomgr/tcp_posix.h',
+                              'src/core/lib/iomgr/tcp_server.h',
+                              'src/core/lib/iomgr/tcp_windows.h',
+                              'src/core/lib/iomgr/time_averaged_stats.h',
+                              'src/core/lib/iomgr/timer.h',
+                              'src/core/lib/iomgr/timer_heap.h',
+                              'src/core/lib/iomgr/udp_server.h',
+                              'src/core/lib/iomgr/unix_sockets_posix.h',
+                              'src/core/lib/iomgr/wakeup_fd_pipe.h',
+                              'src/core/lib/iomgr/wakeup_fd_posix.h',
+                              'src/core/lib/iomgr/workqueue.h',
+                              'src/core/lib/iomgr/workqueue_posix.h',
+                              'src/core/lib/iomgr/workqueue_windows.h',
+                              'src/core/lib/json/json.h',
+                              'src/core/lib/json/json_common.h',
+                              'src/core/lib/json/json_reader.h',
+                              'src/core/lib/json/json_writer.h',
+                              'src/core/lib/surface/api_trace.h',
+                              'src/core/lib/surface/call.h',
+                              'src/core/lib/surface/call_test_only.h',
+                              'src/core/lib/surface/channel.h',
+                              'src/core/lib/surface/channel_init.h',
+                              'src/core/lib/surface/channel_stack_type.h',
+                              'src/core/lib/surface/completion_queue.h',
+                              'src/core/lib/surface/event_string.h',
+                              'src/core/lib/surface/init.h',
+                              'src/core/lib/surface/lame_client.h',
+                              'src/core/lib/surface/server.h',
+                              'src/core/lib/surface/surface_trace.h',
+                              'src/core/lib/transport/byte_stream.h',
+                              'src/core/lib/transport/connectivity_state.h',
+                              'src/core/lib/transport/metadata.h',
+                              'src/core/lib/transport/metadata_batch.h',
+                              'src/core/lib/transport/static_metadata.h',
+                              'src/core/lib/transport/transport.h',
+                              'src/core/lib/transport/transport_impl.h',
+                              'src/core/ext/transport/chttp2/transport/bin_encoder.h',
+                              'src/core/ext/transport/chttp2/transport/chttp2_transport.h',
+                              'src/core/ext/transport/chttp2/transport/frame.h',
+                              'src/core/ext/transport/chttp2/transport/frame_data.h',
+                              'src/core/ext/transport/chttp2/transport/frame_goaway.h',
+                              'src/core/ext/transport/chttp2/transport/frame_ping.h',
+                              'src/core/ext/transport/chttp2/transport/frame_rst_stream.h',
+                              'src/core/ext/transport/chttp2/transport/frame_settings.h',
+                              'src/core/ext/transport/chttp2/transport/frame_window_update.h',
+                              'src/core/ext/transport/chttp2/transport/hpack_encoder.h',
+                              'src/core/ext/transport/chttp2/transport/hpack_parser.h',
+                              'src/core/ext/transport/chttp2/transport/hpack_table.h',
+                              'src/core/ext/transport/chttp2/transport/http2_errors.h',
+                              'src/core/ext/transport/chttp2/transport/huffsyms.h',
+                              'src/core/ext/transport/chttp2/transport/incoming_metadata.h',
+                              'src/core/ext/transport/chttp2/transport/internal.h',
+                              'src/core/ext/transport/chttp2/transport/status_conversion.h',
+                              'src/core/ext/transport/chttp2/transport/stream_map.h',
+                              'src/core/ext/transport/chttp2/transport/timeout_encoding.h',
+                              'src/core/ext/transport/chttp2/transport/varint.h',
+                              'src/core/ext/transport/chttp2/alpn/alpn.h',
+                              'src/core/lib/security/auth_filters.h',
+                              'src/core/lib/security/b64.h',
+                              'src/core/lib/security/credentials.h',
+                              'src/core/lib/security/handshake.h',
+                              'src/core/lib/security/json_token.h',
+                              'src/core/lib/security/jwt_verifier.h',
+                              'src/core/lib/security/secure_endpoint.h',
+                              'src/core/lib/security/security_connector.h',
+                              'src/core/lib/security/security_context.h',
+                              'src/core/lib/tsi/fake_transport_security.h',
+                              'src/core/lib/tsi/ssl_transport_security.h',
+                              'src/core/lib/tsi/ssl_types.h',
+                              'src/core/lib/tsi/transport_security.h',
+                              'src/core/lib/tsi/transport_security_interface.h',
+                              'src/core/ext/client_config/client_channel.h',
+                              'src/core/ext/client_config/client_channel_factory.h',
+                              'src/core/ext/client_config/client_config.h',
+                              'src/core/ext/client_config/connector.h',
+                              'src/core/ext/client_config/initial_connect_string.h',
+                              'src/core/ext/client_config/lb_policy.h',
+                              'src/core/ext/client_config/lb_policy_factory.h',
+                              'src/core/ext/client_config/lb_policy_registry.h',
+                              'src/core/ext/client_config/parse_address.h',
+                              'src/core/ext/client_config/resolver.h',
+                              'src/core/ext/client_config/resolver_factory.h',
+                              'src/core/ext/client_config/resolver_registry.h',
+                              'src/core/ext/client_config/subchannel.h',
+                              'src/core/ext/client_config/subchannel_call_holder.h',
+                              'src/core/ext/client_config/subchannel_index.h',
+                              'src/core/ext/client_config/uri_parser.h',
+                              'src/core/ext/lb_policy/grpclb/load_balancer_api.h',
+                              'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v0/load_balancer.pb.h',
+                              'third_party/nanopb/pb.h',
+                              'third_party/nanopb/pb_common.h',
+                              'third_party/nanopb/pb_decode.h',
+                              'third_party/nanopb/pb_encode.h',
+                              'src/core/ext/census/aggregation.h',
+                              'src/core/ext/census/census_interface.h',
+                              'src/core/ext/census/census_rpc_stats.h',
+                              'src/core/ext/census/grpc_filter.h',
+                              'src/core/ext/census/mlog.h',
+                              'src/core/ext/census/rpc_metric_id.h'
+  end
+end
diff --git a/gRPC-ProtoRPC.podspec b/gRPC-ProtoRPC.podspec
new file mode 100644
index 0000000..9cc33c7
--- /dev/null
+++ b/gRPC-ProtoRPC.podspec
@@ -0,0 +1,69 @@
+# GRPC CocoaPods podspec
+# This file has been automatically generated from a template file.
+# Please look at the templates directory instead.
+# This file can be regenerated from the template by running
+# tools/buildgen/generate_projects.sh
+
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+Pod::Spec.new do |s|
+  s.name     = 'gRPC-ProtoRPC'
+  version = '0.14.0'
+  s.version  = version
+  s.summary  = 'RPC library for Protocol Buffers, based on gRPC'
+  s.homepage = 'http://www.grpc.io'
+  s.license  = 'New BSD'
+  s.authors  = { 'The gRPC contributors' => 'grpc-packages@google.com' }
+
+  s.source = {
+    :git => 'https://github.com/grpc/grpc.git',
+    :tag => "release-#{version.gsub(/\./, '_')}-objectivec-#{version}",
+  }
+
+  s.ios.deployment_target = '7.1'
+  s.osx.deployment_target = '10.9'
+
+  name = 'ProtoRPC'
+  s.module_name = name
+  s.header_dir = name
+
+  src_dir = 'src/objective-c/ProtoRPC'
+  s.source_files = "#{src_dir}/*.{h,m}"
+  s.header_mappings_dir = "#{src_dir}"
+
+  s.dependency 'gRPC', version
+  s.dependency 'gRPC-RxLibrary', version
+  s.dependency 'Protobuf', '~> 3.0.0-beta-3.1'
+  # This is needed by all pods that depend on Protobuf:
+  s.pod_target_xcconfig = {
+    'GCC_PREPROCESSOR_DEFINITIONS' => '$(inherited) GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS=1',
+  }
+end
diff --git a/gRPC-RxLibrary.podspec b/gRPC-RxLibrary.podspec
new file mode 100644
index 0000000..6263878
--- /dev/null
+++ b/gRPC-RxLibrary.podspec
@@ -0,0 +1,62 @@
+# GRPC CocoaPods podspec
+# This file has been automatically generated from a template file.
+# Please look at the templates directory instead.
+# This file can be regenerated from the template by running
+# tools/buildgen/generate_projects.sh
+
+# Copyright 2015, Google Inc.
+# All rights reserved.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions are
+# met:
+#
+#     * Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+#     * Redistributions in binary form must reproduce the above
+# copyright notice, this list of conditions and the following disclaimer
+# in the documentation and/or other materials provided with the
+# distribution.
+#     * Neither the name of Google Inc. nor the names of its
+# contributors may be used to endorse or promote products derived from
+# this software without specific prior written permission.
+#
+# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+
+Pod::Spec.new do |s|
+  s.name     = 'gRPC-RxLibrary'
+  version = '0.14.0'
+  s.version  = version
+  s.summary  = 'Reactive Extensions library for iOS/OSX.'
+  s.homepage = 'http://www.grpc.io'
+  s.license  = 'New BSD'
+  s.authors  = { 'The gRPC contributors' => 'grpc-packages@google.com' }
+
+  s.source = {
+    :git => 'https://github.com/grpc/grpc.git',
+    :tag => "release-#{version.gsub(/\./, '_')}-objectivec-#{version}",
+  }
+
+  s.ios.deployment_target = '7.1'
+  s.osx.deployment_target = '10.9'
+
+  name = 'RxLibrary'
+  s.module_name = name
+  s.header_dir = name
+
+  src_dir = 'src/objective-c/RxLibrary'
+  s.source_files = "#{src_dir}/*.{h,m}", "#{src_dir}/**/*.{h,m}"
+  s.private_header_files = "#{src_dir}/private/*.h"
+  s.header_mappings_dir = "#{src_dir}"
+end
diff --git a/gRPC.podspec b/gRPC.podspec
index fd58bd6..f5744cd 100644
--- a/gRPC.podspec
+++ b/gRPC.podspec
@@ -36,710 +36,33 @@
 
 Pod::Spec.new do |s|
   s.name     = 'gRPC'
-  version = '0.14.0'
+  version = '0.12.0'
   s.version  = version
   s.summary  = 'gRPC client library for iOS/OSX'
   s.homepage = 'http://www.grpc.io'
   s.license  = 'New BSD'
   s.authors  = { 'The gRPC contributors' => 'grpc-packages@google.com' }
 
-  s.source = { :git => 'https://github.com/grpc/grpc.git',
-               :tag => "release-#{version.gsub(/\./, '_')}-objectivec-#{version}",
-               :submodules => true }
-
+  s.source = {
+    :git => 'https://github.com/grpc/grpc.git',
+    :tag => "release-#{version.gsub(/\./, '_')}-objectivec-#{version}",
+  }
 
   s.ios.deployment_target = '7.1'
   s.osx.deployment_target = '10.9'
-  s.requires_arc = true
 
-  objc_dir = 'src/objective-c'
+  name = 'GRPCClient'
+  s.module_name = name
+  s.header_dir = name
 
-  # Reactive Extensions library for iOS.
-  s.subspec 'RxLibrary' do |ss|
-    src_dir = "#{objc_dir}/RxLibrary"
-    ss.source_files = "#{src_dir}/*.{h,m}", "#{src_dir}/**/*.{h,m}"
-    ss.private_header_files = "#{src_dir}/private/*.h"
-    ss.header_mappings_dir = "#{objc_dir}"
-  end
+  src_dir = 'src/objective-c/GRPCClient'
+  s.source_files = "#{src_dir}/*.{h,m}", "#{src_dir}/**/*.{h,m}"
+  s.private_header_files = "#{src_dir}/private/*.h"
+  s.header_mappings_dir = "#{src_dir}"
 
-  # Core cross-platform gRPC library, written in C.
-  s.subspec 'C-Core' do |ss|
-    ss.source_files = 'src/core/lib/profiling/timers.h',
-                      'src/core/lib/support/backoff.h',
-                      'src/core/lib/support/block_annotate.h',
-                      'src/core/lib/support/env.h',
-                      'src/core/lib/support/murmur_hash.h',
-                      'src/core/lib/support/stack_lockfree.h',
-                      'src/core/lib/support/string.h',
-                      'src/core/lib/support/string_windows.h',
-                      'src/core/lib/support/thd_internal.h',
-                      'src/core/lib/support/time_precise.h',
-                      'src/core/lib/support/tmpfile.h',
-                      'include/grpc/support/alloc.h',
-                      'include/grpc/support/atm.h',
-                      'include/grpc/support/atm_gcc_atomic.h',
-                      'include/grpc/support/atm_gcc_sync.h',
-                      'include/grpc/support/atm_windows.h',
-                      'include/grpc/support/avl.h',
-                      'include/grpc/support/cmdline.h',
-                      'include/grpc/support/cpu.h',
-                      'include/grpc/support/histogram.h',
-                      'include/grpc/support/host_port.h',
-                      'include/grpc/support/log.h',
-                      'include/grpc/support/log_windows.h',
-                      'include/grpc/support/port_platform.h',
-                      'include/grpc/support/slice.h',
-                      'include/grpc/support/slice_buffer.h',
-                      'include/grpc/support/string_util.h',
-                      'include/grpc/support/subprocess.h',
-                      'include/grpc/support/sync.h',
-                      'include/grpc/support/sync_generic.h',
-                      'include/grpc/support/sync_posix.h',
-                      'include/grpc/support/sync_windows.h',
-                      'include/grpc/support/thd.h',
-                      'include/grpc/support/time.h',
-                      'include/grpc/support/tls.h',
-                      'include/grpc/support/tls_gcc.h',
-                      'include/grpc/support/tls_msvc.h',
-                      'include/grpc/support/tls_pthread.h',
-                      'include/grpc/support/useful.h',
-                      'include/grpc/impl/codegen/alloc.h',
-                      'include/grpc/impl/codegen/atm.h',
-                      'include/grpc/impl/codegen/atm_gcc_atomic.h',
-                      'include/grpc/impl/codegen/atm_gcc_sync.h',
-                      'include/grpc/impl/codegen/atm_windows.h',
-                      'include/grpc/impl/codegen/log.h',
-                      'include/grpc/impl/codegen/port_platform.h',
-                      'include/grpc/impl/codegen/slice.h',
-                      'include/grpc/impl/codegen/slice_buffer.h',
-                      'include/grpc/impl/codegen/sync.h',
-                      'include/grpc/impl/codegen/sync_generic.h',
-                      'include/grpc/impl/codegen/sync_posix.h',
-                      'include/grpc/impl/codegen/sync_windows.h',
-                      'include/grpc/impl/codegen/time.h',
-                      'src/core/lib/profiling/basic_timers.c',
-                      'src/core/lib/profiling/stap_timers.c',
-                      'src/core/lib/support/alloc.c',
-                      'src/core/lib/support/avl.c',
-                      'src/core/lib/support/backoff.c',
-                      'src/core/lib/support/cmdline.c',
-                      'src/core/lib/support/cpu_iphone.c',
-                      'src/core/lib/support/cpu_linux.c',
-                      'src/core/lib/support/cpu_posix.c',
-                      'src/core/lib/support/cpu_windows.c',
-                      'src/core/lib/support/env_linux.c',
-                      'src/core/lib/support/env_posix.c',
-                      'src/core/lib/support/env_windows.c',
-                      'src/core/lib/support/histogram.c',
-                      'src/core/lib/support/host_port.c',
-                      'src/core/lib/support/log.c',
-                      'src/core/lib/support/log_android.c',
-                      'src/core/lib/support/log_linux.c',
-                      'src/core/lib/support/log_posix.c',
-                      'src/core/lib/support/log_windows.c',
-                      'src/core/lib/support/murmur_hash.c',
-                      'src/core/lib/support/slice.c',
-                      'src/core/lib/support/slice_buffer.c',
-                      'src/core/lib/support/stack_lockfree.c',
-                      'src/core/lib/support/string.c',
-                      'src/core/lib/support/string_posix.c',
-                      'src/core/lib/support/string_util_windows.c',
-                      'src/core/lib/support/string_windows.c',
-                      'src/core/lib/support/subprocess_posix.c',
-                      'src/core/lib/support/subprocess_windows.c',
-                      'src/core/lib/support/sync.c',
-                      'src/core/lib/support/sync_posix.c',
-                      'src/core/lib/support/sync_windows.c',
-                      'src/core/lib/support/thd.c',
-                      'src/core/lib/support/thd_posix.c',
-                      'src/core/lib/support/thd_windows.c',
-                      'src/core/lib/support/time.c',
-                      'src/core/lib/support/time_posix.c',
-                      'src/core/lib/support/time_precise.c',
-                      'src/core/lib/support/time_windows.c',
-                      'src/core/lib/support/tls_pthread.c',
-                      'src/core/lib/support/tmpfile_msys.c',
-                      'src/core/lib/support/tmpfile_posix.c',
-                      'src/core/lib/support/tmpfile_windows.c',
-                      'src/core/lib/support/wrap_memcpy.c',
-                      'src/core/lib/channel/channel_args.h',
-                      'src/core/lib/channel/channel_stack.h',
-                      'src/core/lib/channel/channel_stack_builder.h',
-                      'src/core/lib/channel/compress_filter.h',
-                      'src/core/lib/channel/connected_channel.h',
-                      'src/core/lib/channel/context.h',
-                      'src/core/lib/channel/http_client_filter.h',
-                      'src/core/lib/channel/http_server_filter.h',
-                      'src/core/lib/compression/algorithm_metadata.h',
-                      'src/core/lib/compression/message_compress.h',
-                      'src/core/lib/debug/trace.h',
-                      'src/core/lib/http/format_request.h',
-                      'src/core/lib/http/httpcli.h',
-                      'src/core/lib/http/parser.h',
-                      'src/core/lib/iomgr/closure.h',
-                      'src/core/lib/iomgr/endpoint.h',
-                      'src/core/lib/iomgr/endpoint_pair.h',
-                      'src/core/lib/iomgr/error.h',
-                      'src/core/lib/iomgr/ev_epoll_linux.h',
-                      'src/core/lib/iomgr/ev_poll_and_epoll_posix.h',
-                      'src/core/lib/iomgr/ev_poll_posix.h',
-                      'src/core/lib/iomgr/ev_posix.h',
-                      'src/core/lib/iomgr/exec_ctx.h',
-                      'src/core/lib/iomgr/executor.h',
-                      'src/core/lib/iomgr/iocp_windows.h',
-                      'src/core/lib/iomgr/iomgr.h',
-                      'src/core/lib/iomgr/iomgr_internal.h',
-                      'src/core/lib/iomgr/iomgr_posix.h',
-                      'src/core/lib/iomgr/load_file.h',
-                      'src/core/lib/iomgr/network_status_tracker.h',
-                      'src/core/lib/iomgr/polling_entity.h',
-                      'src/core/lib/iomgr/pollset.h',
-                      'src/core/lib/iomgr/pollset_set.h',
-                      'src/core/lib/iomgr/pollset_set_windows.h',
-                      'src/core/lib/iomgr/pollset_windows.h',
-                      'src/core/lib/iomgr/resolve_address.h',
-                      'src/core/lib/iomgr/sockaddr.h',
-                      'src/core/lib/iomgr/sockaddr_posix.h',
-                      'src/core/lib/iomgr/sockaddr_utils.h',
-                      'src/core/lib/iomgr/sockaddr_windows.h',
-                      'src/core/lib/iomgr/socket_utils_posix.h',
-                      'src/core/lib/iomgr/socket_windows.h',
-                      'src/core/lib/iomgr/tcp_client.h',
-                      'src/core/lib/iomgr/tcp_posix.h',
-                      'src/core/lib/iomgr/tcp_server.h',
-                      'src/core/lib/iomgr/tcp_windows.h',
-                      'src/core/lib/iomgr/time_averaged_stats.h',
-                      'src/core/lib/iomgr/timer.h',
-                      'src/core/lib/iomgr/timer_heap.h',
-                      'src/core/lib/iomgr/udp_server.h',
-                      'src/core/lib/iomgr/unix_sockets_posix.h',
-                      'src/core/lib/iomgr/wakeup_fd_pipe.h',
-                      'src/core/lib/iomgr/wakeup_fd_posix.h',
-                      'src/core/lib/iomgr/workqueue.h',
-                      'src/core/lib/iomgr/workqueue_posix.h',
-                      'src/core/lib/iomgr/workqueue_windows.h',
-                      'src/core/lib/json/json.h',
-                      'src/core/lib/json/json_common.h',
-                      'src/core/lib/json/json_reader.h',
-                      'src/core/lib/json/json_writer.h',
-                      'src/core/lib/surface/api_trace.h',
-                      'src/core/lib/surface/call.h',
-                      'src/core/lib/surface/call_test_only.h',
-                      'src/core/lib/surface/channel.h',
-                      'src/core/lib/surface/channel_init.h',
-                      'src/core/lib/surface/channel_stack_type.h',
-                      'src/core/lib/surface/completion_queue.h',
-                      'src/core/lib/surface/event_string.h',
-                      'src/core/lib/surface/init.h',
-                      'src/core/lib/surface/lame_client.h',
-                      'src/core/lib/surface/server.h',
-                      'src/core/lib/transport/byte_stream.h',
-                      'src/core/lib/transport/connectivity_state.h',
-                      'src/core/lib/transport/metadata.h',
-                      'src/core/lib/transport/metadata_batch.h',
-                      'src/core/lib/transport/static_metadata.h',
-                      'src/core/lib/transport/transport.h',
-                      'src/core/lib/transport/transport_impl.h',
-                      'src/core/ext/transport/chttp2/transport/bin_decoder.h',
-                      'src/core/ext/transport/chttp2/transport/bin_encoder.h',
-                      'src/core/ext/transport/chttp2/transport/chttp2_transport.h',
-                      'src/core/ext/transport/chttp2/transport/frame.h',
-                      'src/core/ext/transport/chttp2/transport/frame_data.h',
-                      'src/core/ext/transport/chttp2/transport/frame_goaway.h',
-                      'src/core/ext/transport/chttp2/transport/frame_ping.h',
-                      'src/core/ext/transport/chttp2/transport/frame_rst_stream.h',
-                      'src/core/ext/transport/chttp2/transport/frame_settings.h',
-                      'src/core/ext/transport/chttp2/transport/frame_window_update.h',
-                      'src/core/ext/transport/chttp2/transport/hpack_encoder.h',
-                      'src/core/ext/transport/chttp2/transport/hpack_parser.h',
-                      'src/core/ext/transport/chttp2/transport/hpack_table.h',
-                      'src/core/ext/transport/chttp2/transport/http2_errors.h',
-                      'src/core/ext/transport/chttp2/transport/huffsyms.h',
-                      'src/core/ext/transport/chttp2/transport/incoming_metadata.h',
-                      'src/core/ext/transport/chttp2/transport/internal.h',
-                      'src/core/ext/transport/chttp2/transport/status_conversion.h',
-                      'src/core/ext/transport/chttp2/transport/stream_map.h',
-                      'src/core/ext/transport/chttp2/transport/timeout_encoding.h',
-                      'src/core/ext/transport/chttp2/transport/varint.h',
-                      'src/core/ext/transport/chttp2/alpn/alpn.h',
-                      'src/core/lib/security/context/security_context.h',
-                      'src/core/lib/security/credentials/composite/composite_credentials.h',
-                      'src/core/lib/security/credentials/credentials.h',
-                      'src/core/lib/security/credentials/fake/fake_credentials.h',
-                      'src/core/lib/security/credentials/google_default/google_default_credentials.h',
-                      'src/core/lib/security/credentials/iam/iam_credentials.h',
-                      'src/core/lib/security/credentials/jwt/json_token.h',
-                      'src/core/lib/security/credentials/jwt/jwt_credentials.h',
-                      'src/core/lib/security/credentials/jwt/jwt_verifier.h',
-                      'src/core/lib/security/credentials/oauth2/oauth2_credentials.h',
-                      'src/core/lib/security/credentials/plugin/plugin_credentials.h',
-                      'src/core/lib/security/credentials/ssl/ssl_credentials.h',
-                      'src/core/lib/security/transport/auth_filters.h',
-                      'src/core/lib/security/transport/handshake.h',
-                      'src/core/lib/security/transport/secure_endpoint.h',
-                      'src/core/lib/security/transport/security_connector.h',
-                      'src/core/lib/security/transport/tsi_error.h',
-                      'src/core/lib/security/util/b64.h',
-                      'src/core/lib/security/util/json_util.h',
-                      'src/core/lib/tsi/fake_transport_security.h',
-                      'src/core/lib/tsi/ssl_transport_security.h',
-                      'src/core/lib/tsi/ssl_types.h',
-                      'src/core/lib/tsi/transport_security.h',
-                      'src/core/lib/tsi/transport_security_interface.h',
-                      'src/core/ext/client_config/client_channel.h',
-                      'src/core/ext/client_config/client_channel_factory.h',
-                      'src/core/ext/client_config/client_config.h',
-                      'src/core/ext/client_config/connector.h',
-                      'src/core/ext/client_config/initial_connect_string.h',
-                      'src/core/ext/client_config/lb_policy.h',
-                      'src/core/ext/client_config/lb_policy_factory.h',
-                      'src/core/ext/client_config/lb_policy_registry.h',
-                      'src/core/ext/client_config/parse_address.h',
-                      'src/core/ext/client_config/resolver.h',
-                      'src/core/ext/client_config/resolver_factory.h',
-                      'src/core/ext/client_config/resolver_registry.h',
-                      'src/core/ext/client_config/subchannel.h',
-                      'src/core/ext/client_config/subchannel_call_holder.h',
-                      'src/core/ext/client_config/subchannel_index.h',
-                      'src/core/ext/client_config/uri_parser.h',
-                      'src/core/ext/lb_policy/grpclb/load_balancer_api.h',
-                      'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h',
-                      'third_party/nanopb/pb.h',
-                      'third_party/nanopb/pb_common.h',
-                      'third_party/nanopb/pb_decode.h',
-                      'third_party/nanopb/pb_encode.h',
-                      'src/core/ext/load_reporting/load_reporting.h',
-                      'src/core/ext/load_reporting/load_reporting_filter.h',
-                      'src/core/ext/census/aggregation.h',
-                      'src/core/ext/census/census_interface.h',
-                      'src/core/ext/census/census_rpc_stats.h',
-                      'src/core/ext/census/gen/census.pb.h',
-                      'src/core/ext/census/grpc_filter.h',
-                      'src/core/ext/census/mlog.h',
-                      'src/core/ext/census/rpc_metric_id.h',
-                      'include/grpc/byte_buffer.h',
-                      'include/grpc/byte_buffer_reader.h',
-                      'include/grpc/compression.h',
-                      'include/grpc/grpc.h',
-                      'include/grpc/grpc_posix.h',
-                      'include/grpc/status.h',
-                      'include/grpc/impl/codegen/byte_buffer.h',
-                      'include/grpc/impl/codegen/byte_buffer_reader.h',
-                      'include/grpc/impl/codegen/compression_types.h',
-                      'include/grpc/impl/codegen/connectivity_state.h',
-                      'include/grpc/impl/codegen/grpc_types.h',
-                      'include/grpc/impl/codegen/propagation_bits.h',
-                      'include/grpc/impl/codegen/status.h',
-                      'include/grpc/impl/codegen/alloc.h',
-                      'include/grpc/impl/codegen/atm.h',
-                      'include/grpc/impl/codegen/atm_gcc_atomic.h',
-                      'include/grpc/impl/codegen/atm_gcc_sync.h',
-                      'include/grpc/impl/codegen/atm_windows.h',
-                      'include/grpc/impl/codegen/log.h',
-                      'include/grpc/impl/codegen/port_platform.h',
-                      'include/grpc/impl/codegen/slice.h',
-                      'include/grpc/impl/codegen/slice_buffer.h',
-                      'include/grpc/impl/codegen/sync.h',
-                      'include/grpc/impl/codegen/sync_generic.h',
-                      'include/grpc/impl/codegen/sync_posix.h',
-                      'include/grpc/impl/codegen/sync_windows.h',
-                      'include/grpc/impl/codegen/time.h',
-                      'include/grpc/grpc_security.h',
-                      'include/grpc/grpc_security_constants.h',
-                      'include/grpc/census.h',
-                      'src/core/lib/surface/init.c',
-                      'src/core/lib/channel/channel_args.c',
-                      'src/core/lib/channel/channel_stack.c',
-                      'src/core/lib/channel/channel_stack_builder.c',
-                      'src/core/lib/channel/compress_filter.c',
-                      'src/core/lib/channel/connected_channel.c',
-                      'src/core/lib/channel/http_client_filter.c',
-                      'src/core/lib/channel/http_server_filter.c',
-                      'src/core/lib/compression/compression.c',
-                      'src/core/lib/compression/message_compress.c',
-                      'src/core/lib/debug/trace.c',
-                      'src/core/lib/http/format_request.c',
-                      'src/core/lib/http/httpcli.c',
-                      'src/core/lib/http/parser.c',
-                      'src/core/lib/iomgr/closure.c',
-                      'src/core/lib/iomgr/endpoint.c',
-                      'src/core/lib/iomgr/endpoint_pair_posix.c',
-                      'src/core/lib/iomgr/endpoint_pair_windows.c',
-                      'src/core/lib/iomgr/error.c',
-                      'src/core/lib/iomgr/ev_epoll_linux.c',
-                      'src/core/lib/iomgr/ev_poll_and_epoll_posix.c',
-                      'src/core/lib/iomgr/ev_poll_posix.c',
-                      'src/core/lib/iomgr/ev_posix.c',
-                      'src/core/lib/iomgr/exec_ctx.c',
-                      'src/core/lib/iomgr/executor.c',
-                      'src/core/lib/iomgr/iocp_windows.c',
-                      'src/core/lib/iomgr/iomgr.c',
-                      'src/core/lib/iomgr/iomgr_posix.c',
-                      'src/core/lib/iomgr/iomgr_windows.c',
-                      'src/core/lib/iomgr/load_file.c',
-                      'src/core/lib/iomgr/network_status_tracker.c',
-                      'src/core/lib/iomgr/polling_entity.c',
-                      'src/core/lib/iomgr/pollset_set_windows.c',
-                      'src/core/lib/iomgr/pollset_windows.c',
-                      'src/core/lib/iomgr/resolve_address_posix.c',
-                      'src/core/lib/iomgr/resolve_address_windows.c',
-                      'src/core/lib/iomgr/sockaddr_utils.c',
-                      'src/core/lib/iomgr/socket_utils_common_posix.c',
-                      'src/core/lib/iomgr/socket_utils_linux.c',
-                      'src/core/lib/iomgr/socket_utils_posix.c',
-                      'src/core/lib/iomgr/socket_windows.c',
-                      'src/core/lib/iomgr/tcp_client_posix.c',
-                      'src/core/lib/iomgr/tcp_client_windows.c',
-                      'src/core/lib/iomgr/tcp_posix.c',
-                      'src/core/lib/iomgr/tcp_server_posix.c',
-                      'src/core/lib/iomgr/tcp_server_windows.c',
-                      'src/core/lib/iomgr/tcp_windows.c',
-                      'src/core/lib/iomgr/time_averaged_stats.c',
-                      'src/core/lib/iomgr/timer.c',
-                      'src/core/lib/iomgr/timer_heap.c',
-                      'src/core/lib/iomgr/udp_server.c',
-                      'src/core/lib/iomgr/unix_sockets_posix.c',
-                      'src/core/lib/iomgr/unix_sockets_posix_noop.c',
-                      'src/core/lib/iomgr/wakeup_fd_eventfd.c',
-                      'src/core/lib/iomgr/wakeup_fd_nospecial.c',
-                      'src/core/lib/iomgr/wakeup_fd_pipe.c',
-                      'src/core/lib/iomgr/wakeup_fd_posix.c',
-                      'src/core/lib/iomgr/workqueue_posix.c',
-                      'src/core/lib/iomgr/workqueue_windows.c',
-                      'src/core/lib/json/json.c',
-                      'src/core/lib/json/json_reader.c',
-                      'src/core/lib/json/json_string.c',
-                      'src/core/lib/json/json_writer.c',
-                      'src/core/lib/surface/alarm.c',
-                      'src/core/lib/surface/api_trace.c',
-                      'src/core/lib/surface/byte_buffer.c',
-                      'src/core/lib/surface/byte_buffer_reader.c',
-                      'src/core/lib/surface/call.c',
-                      'src/core/lib/surface/call_details.c',
-                      'src/core/lib/surface/call_log_batch.c',
-                      'src/core/lib/surface/channel.c',
-                      'src/core/lib/surface/channel_init.c',
-                      'src/core/lib/surface/channel_ping.c',
-                      'src/core/lib/surface/channel_stack_type.c',
-                      'src/core/lib/surface/completion_queue.c',
-                      'src/core/lib/surface/event_string.c',
-                      'src/core/lib/surface/lame_client.c',
-                      'src/core/lib/surface/metadata_array.c',
-                      'src/core/lib/surface/server.c',
-                      'src/core/lib/surface/validate_metadata.c',
-                      'src/core/lib/surface/version.c',
-                      'src/core/lib/transport/byte_stream.c',
-                      'src/core/lib/transport/connectivity_state.c',
-                      'src/core/lib/transport/metadata.c',
-                      'src/core/lib/transport/metadata_batch.c',
-                      'src/core/lib/transport/static_metadata.c',
-                      'src/core/lib/transport/transport.c',
-                      'src/core/lib/transport/transport_op_string.c',
-                      'src/core/ext/transport/chttp2/server/secure/server_secure_chttp2.c',
-                      'src/core/ext/transport/chttp2/transport/bin_decoder.c',
-                      'src/core/ext/transport/chttp2/transport/bin_encoder.c',
-                      'src/core/ext/transport/chttp2/transport/chttp2_plugin.c',
-                      'src/core/ext/transport/chttp2/transport/chttp2_transport.c',
-                      'src/core/ext/transport/chttp2/transport/frame_data.c',
-                      'src/core/ext/transport/chttp2/transport/frame_goaway.c',
-                      'src/core/ext/transport/chttp2/transport/frame_ping.c',
-                      'src/core/ext/transport/chttp2/transport/frame_rst_stream.c',
-                      'src/core/ext/transport/chttp2/transport/frame_settings.c',
-                      'src/core/ext/transport/chttp2/transport/frame_window_update.c',
-                      'src/core/ext/transport/chttp2/transport/hpack_encoder.c',
-                      'src/core/ext/transport/chttp2/transport/hpack_parser.c',
-                      'src/core/ext/transport/chttp2/transport/hpack_table.c',
-                      'src/core/ext/transport/chttp2/transport/huffsyms.c',
-                      'src/core/ext/transport/chttp2/transport/incoming_metadata.c',
-                      'src/core/ext/transport/chttp2/transport/parsing.c',
-                      'src/core/ext/transport/chttp2/transport/status_conversion.c',
-                      'src/core/ext/transport/chttp2/transport/stream_lists.c',
-                      'src/core/ext/transport/chttp2/transport/stream_map.c',
-                      'src/core/ext/transport/chttp2/transport/timeout_encoding.c',
-                      'src/core/ext/transport/chttp2/transport/varint.c',
-                      'src/core/ext/transport/chttp2/transport/writing.c',
-                      'src/core/ext/transport/chttp2/alpn/alpn.c',
-                      'src/core/lib/http/httpcli_security_connector.c',
-                      'src/core/lib/security/context/security_context.c',
-                      'src/core/lib/security/credentials/composite/composite_credentials.c',
-                      'src/core/lib/security/credentials/credentials.c',
-                      'src/core/lib/security/credentials/credentials_metadata.c',
-                      'src/core/lib/security/credentials/fake/fake_credentials.c',
-                      'src/core/lib/security/credentials/google_default/credentials_posix.c',
-                      'src/core/lib/security/credentials/google_default/credentials_windows.c',
-                      'src/core/lib/security/credentials/google_default/google_default_credentials.c',
-                      'src/core/lib/security/credentials/iam/iam_credentials.c',
-                      'src/core/lib/security/credentials/jwt/json_token.c',
-                      'src/core/lib/security/credentials/jwt/jwt_credentials.c',
-                      'src/core/lib/security/credentials/jwt/jwt_verifier.c',
-                      'src/core/lib/security/credentials/oauth2/oauth2_credentials.c',
-                      'src/core/lib/security/credentials/plugin/plugin_credentials.c',
-                      'src/core/lib/security/credentials/ssl/ssl_credentials.c',
-                      'src/core/lib/security/transport/client_auth_filter.c',
-                      'src/core/lib/security/transport/handshake.c',
-                      'src/core/lib/security/transport/secure_endpoint.c',
-                      'src/core/lib/security/transport/security_connector.c',
-                      'src/core/lib/security/transport/server_auth_filter.c',
-                      'src/core/lib/security/transport/tsi_error.c',
-                      'src/core/lib/security/util/b64.c',
-                      'src/core/lib/security/util/json_util.c',
-                      'src/core/lib/surface/init_secure.c',
-                      'src/core/lib/tsi/fake_transport_security.c',
-                      'src/core/lib/tsi/ssl_transport_security.c',
-                      'src/core/lib/tsi/transport_security.c',
-                      'src/core/ext/transport/chttp2/client/secure/secure_channel_create.c',
-                      'src/core/ext/client_config/channel_connectivity.c',
-                      'src/core/ext/client_config/client_channel.c',
-                      'src/core/ext/client_config/client_channel_factory.c',
-                      'src/core/ext/client_config/client_config.c',
-                      'src/core/ext/client_config/client_config_plugin.c',
-                      'src/core/ext/client_config/connector.c',
-                      'src/core/ext/client_config/default_initial_connect_string.c',
-                      'src/core/ext/client_config/initial_connect_string.c',
-                      'src/core/ext/client_config/lb_policy.c',
-                      'src/core/ext/client_config/lb_policy_factory.c',
-                      'src/core/ext/client_config/lb_policy_registry.c',
-                      'src/core/ext/client_config/parse_address.c',
-                      'src/core/ext/client_config/resolver.c',
-                      'src/core/ext/client_config/resolver_factory.c',
-                      'src/core/ext/client_config/resolver_registry.c',
-                      'src/core/ext/client_config/subchannel.c',
-                      'src/core/ext/client_config/subchannel_call_holder.c',
-                      'src/core/ext/client_config/subchannel_index.c',
-                      'src/core/ext/client_config/uri_parser.c',
-                      'src/core/ext/transport/chttp2/server/insecure/server_chttp2.c',
-                      'src/core/ext/transport/chttp2/server/insecure/server_chttp2_posix.c',
-                      'src/core/ext/transport/chttp2/client/insecure/channel_create.c',
-                      'src/core/ext/transport/chttp2/client/insecure/channel_create_posix.c',
-                      'src/core/ext/lb_policy/grpclb/load_balancer_api.c',
-                      'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.c',
-                      'third_party/nanopb/pb_common.c',
-                      'third_party/nanopb/pb_decode.c',
-                      'third_party/nanopb/pb_encode.c',
-                      'src/core/ext/lb_policy/pick_first/pick_first.c',
-                      'src/core/ext/lb_policy/round_robin/round_robin.c',
-                      'src/core/ext/resolver/dns/native/dns_resolver.c',
-                      'src/core/ext/resolver/sockaddr/sockaddr_resolver.c',
-                      'src/core/ext/load_reporting/load_reporting.c',
-                      'src/core/ext/load_reporting/load_reporting_filter.c',
-                      'src/core/ext/census/context.c',
-                      'src/core/ext/census/gen/census.pb.c',
-                      'src/core/ext/census/grpc_context.c',
-                      'src/core/ext/census/grpc_filter.c',
-                      'src/core/ext/census/grpc_plugin.c',
-                      'src/core/ext/census/initialize.c',
-                      'src/core/ext/census/mlog.c',
-                      'src/core/ext/census/operation.c',
-                      'src/core/ext/census/placeholders.c',
-                      'src/core/ext/census/tracing.c',
-                      'src/core/plugin_registry/grpc_plugin_registry.c'
+  s.dependency 'gRPC-Core', version
+  s.dependency 'gRPC-RxLibrary', version
 
-    ss.private_header_files = 'src/core/lib/profiling/timers.h',
-                              'src/core/lib/support/backoff.h',
-                              'src/core/lib/support/block_annotate.h',
-                              'src/core/lib/support/env.h',
-                              'src/core/lib/support/murmur_hash.h',
-                              'src/core/lib/support/stack_lockfree.h',
-                              'src/core/lib/support/string.h',
-                              'src/core/lib/support/string_windows.h',
-                              'src/core/lib/support/thd_internal.h',
-                              'src/core/lib/support/time_precise.h',
-                              'src/core/lib/support/tmpfile.h',
-                              'src/core/lib/channel/channel_args.h',
-                              'src/core/lib/channel/channel_stack.h',
-                              'src/core/lib/channel/channel_stack_builder.h',
-                              'src/core/lib/channel/compress_filter.h',
-                              'src/core/lib/channel/connected_channel.h',
-                              'src/core/lib/channel/context.h',
-                              'src/core/lib/channel/http_client_filter.h',
-                              'src/core/lib/channel/http_server_filter.h',
-                              'src/core/lib/compression/algorithm_metadata.h',
-                              'src/core/lib/compression/message_compress.h',
-                              'src/core/lib/debug/trace.h',
-                              'src/core/lib/http/format_request.h',
-                              'src/core/lib/http/httpcli.h',
-                              'src/core/lib/http/parser.h',
-                              'src/core/lib/iomgr/closure.h',
-                              'src/core/lib/iomgr/endpoint.h',
-                              'src/core/lib/iomgr/endpoint_pair.h',
-                              'src/core/lib/iomgr/error.h',
-                              'src/core/lib/iomgr/ev_epoll_linux.h',
-                              'src/core/lib/iomgr/ev_poll_and_epoll_posix.h',
-                              'src/core/lib/iomgr/ev_poll_posix.h',
-                              'src/core/lib/iomgr/ev_posix.h',
-                              'src/core/lib/iomgr/exec_ctx.h',
-                              'src/core/lib/iomgr/executor.h',
-                              'src/core/lib/iomgr/iocp_windows.h',
-                              'src/core/lib/iomgr/iomgr.h',
-                              'src/core/lib/iomgr/iomgr_internal.h',
-                              'src/core/lib/iomgr/iomgr_posix.h',
-                              'src/core/lib/iomgr/load_file.h',
-                              'src/core/lib/iomgr/network_status_tracker.h',
-                              'src/core/lib/iomgr/polling_entity.h',
-                              'src/core/lib/iomgr/pollset.h',
-                              'src/core/lib/iomgr/pollset_set.h',
-                              'src/core/lib/iomgr/pollset_set_windows.h',
-                              'src/core/lib/iomgr/pollset_windows.h',
-                              'src/core/lib/iomgr/resolve_address.h',
-                              'src/core/lib/iomgr/sockaddr.h',
-                              'src/core/lib/iomgr/sockaddr_posix.h',
-                              'src/core/lib/iomgr/sockaddr_utils.h',
-                              'src/core/lib/iomgr/sockaddr_windows.h',
-                              'src/core/lib/iomgr/socket_utils_posix.h',
-                              'src/core/lib/iomgr/socket_windows.h',
-                              'src/core/lib/iomgr/tcp_client.h',
-                              'src/core/lib/iomgr/tcp_posix.h',
-                              'src/core/lib/iomgr/tcp_server.h',
-                              'src/core/lib/iomgr/tcp_windows.h',
-                              'src/core/lib/iomgr/time_averaged_stats.h',
-                              'src/core/lib/iomgr/timer.h',
-                              'src/core/lib/iomgr/timer_heap.h',
-                              'src/core/lib/iomgr/udp_server.h',
-                              'src/core/lib/iomgr/unix_sockets_posix.h',
-                              'src/core/lib/iomgr/wakeup_fd_pipe.h',
-                              'src/core/lib/iomgr/wakeup_fd_posix.h',
-                              'src/core/lib/iomgr/workqueue.h',
-                              'src/core/lib/iomgr/workqueue_posix.h',
-                              'src/core/lib/iomgr/workqueue_windows.h',
-                              'src/core/lib/json/json.h',
-                              'src/core/lib/json/json_common.h',
-                              'src/core/lib/json/json_reader.h',
-                              'src/core/lib/json/json_writer.h',
-                              'src/core/lib/surface/api_trace.h',
-                              'src/core/lib/surface/call.h',
-                              'src/core/lib/surface/call_test_only.h',
-                              'src/core/lib/surface/channel.h',
-                              'src/core/lib/surface/channel_init.h',
-                              'src/core/lib/surface/channel_stack_type.h',
-                              'src/core/lib/surface/completion_queue.h',
-                              'src/core/lib/surface/event_string.h',
-                              'src/core/lib/surface/init.h',
-                              'src/core/lib/surface/lame_client.h',
-                              'src/core/lib/surface/server.h',
-                              'src/core/lib/transport/byte_stream.h',
-                              'src/core/lib/transport/connectivity_state.h',
-                              'src/core/lib/transport/metadata.h',
-                              'src/core/lib/transport/metadata_batch.h',
-                              'src/core/lib/transport/static_metadata.h',
-                              'src/core/lib/transport/transport.h',
-                              'src/core/lib/transport/transport_impl.h',
-                              'src/core/ext/transport/chttp2/transport/bin_decoder.h',
-                              'src/core/ext/transport/chttp2/transport/bin_encoder.h',
-                              'src/core/ext/transport/chttp2/transport/chttp2_transport.h',
-                              'src/core/ext/transport/chttp2/transport/frame.h',
-                              'src/core/ext/transport/chttp2/transport/frame_data.h',
-                              'src/core/ext/transport/chttp2/transport/frame_goaway.h',
-                              'src/core/ext/transport/chttp2/transport/frame_ping.h',
-                              'src/core/ext/transport/chttp2/transport/frame_rst_stream.h',
-                              'src/core/ext/transport/chttp2/transport/frame_settings.h',
-                              'src/core/ext/transport/chttp2/transport/frame_window_update.h',
-                              'src/core/ext/transport/chttp2/transport/hpack_encoder.h',
-                              'src/core/ext/transport/chttp2/transport/hpack_parser.h',
-                              'src/core/ext/transport/chttp2/transport/hpack_table.h',
-                              'src/core/ext/transport/chttp2/transport/http2_errors.h',
-                              'src/core/ext/transport/chttp2/transport/huffsyms.h',
-                              'src/core/ext/transport/chttp2/transport/incoming_metadata.h',
-                              'src/core/ext/transport/chttp2/transport/internal.h',
-                              'src/core/ext/transport/chttp2/transport/status_conversion.h',
-                              'src/core/ext/transport/chttp2/transport/stream_map.h',
-                              'src/core/ext/transport/chttp2/transport/timeout_encoding.h',
-                              'src/core/ext/transport/chttp2/transport/varint.h',
-                              'src/core/ext/transport/chttp2/alpn/alpn.h',
-                              'src/core/lib/security/context/security_context.h',
-                              'src/core/lib/security/credentials/composite/composite_credentials.h',
-                              'src/core/lib/security/credentials/credentials.h',
-                              'src/core/lib/security/credentials/fake/fake_credentials.h',
-                              'src/core/lib/security/credentials/google_default/google_default_credentials.h',
-                              'src/core/lib/security/credentials/iam/iam_credentials.h',
-                              'src/core/lib/security/credentials/jwt/json_token.h',
-                              'src/core/lib/security/credentials/jwt/jwt_credentials.h',
-                              'src/core/lib/security/credentials/jwt/jwt_verifier.h',
-                              'src/core/lib/security/credentials/oauth2/oauth2_credentials.h',
-                              'src/core/lib/security/credentials/plugin/plugin_credentials.h',
-                              'src/core/lib/security/credentials/ssl/ssl_credentials.h',
-                              'src/core/lib/security/transport/auth_filters.h',
-                              'src/core/lib/security/transport/handshake.h',
-                              'src/core/lib/security/transport/secure_endpoint.h',
-                              'src/core/lib/security/transport/security_connector.h',
-                              'src/core/lib/security/transport/tsi_error.h',
-                              'src/core/lib/security/util/b64.h',
-                              'src/core/lib/security/util/json_util.h',
-                              'src/core/lib/tsi/fake_transport_security.h',
-                              'src/core/lib/tsi/ssl_transport_security.h',
-                              'src/core/lib/tsi/ssl_types.h',
-                              'src/core/lib/tsi/transport_security.h',
-                              'src/core/lib/tsi/transport_security_interface.h',
-                              'src/core/ext/client_config/client_channel.h',
-                              'src/core/ext/client_config/client_channel_factory.h',
-                              'src/core/ext/client_config/client_config.h',
-                              'src/core/ext/client_config/connector.h',
-                              'src/core/ext/client_config/initial_connect_string.h',
-                              'src/core/ext/client_config/lb_policy.h',
-                              'src/core/ext/client_config/lb_policy_factory.h',
-                              'src/core/ext/client_config/lb_policy_registry.h',
-                              'src/core/ext/client_config/parse_address.h',
-                              'src/core/ext/client_config/resolver.h',
-                              'src/core/ext/client_config/resolver_factory.h',
-                              'src/core/ext/client_config/resolver_registry.h',
-                              'src/core/ext/client_config/subchannel.h',
-                              'src/core/ext/client_config/subchannel_call_holder.h',
-                              'src/core/ext/client_config/subchannel_index.h',
-                              'src/core/ext/client_config/uri_parser.h',
-                              'src/core/ext/lb_policy/grpclb/load_balancer_api.h',
-                              'src/core/ext/lb_policy/grpclb/proto/grpc/lb/v1/load_balancer.pb.h',
-                              'third_party/nanopb/pb.h',
-                              'third_party/nanopb/pb_common.h',
-                              'third_party/nanopb/pb_decode.h',
-                              'third_party/nanopb/pb_encode.h',
-                              'src/core/ext/load_reporting/load_reporting.h',
-                              'src/core/ext/load_reporting/load_reporting_filter.h',
-                              'src/core/ext/census/aggregation.h',
-                              'src/core/ext/census/census_interface.h',
-                              'src/core/ext/census/census_rpc_stats.h',
-                              'src/core/ext/census/gen/census.pb.h',
-                              'src/core/ext/census/grpc_filter.h',
-                              'src/core/ext/census/mlog.h',
-                              'src/core/ext/census/rpc_metric_id.h'
-
-    ss.header_mappings_dir = '.'
-    # This isn't officially supported in Cocoapods. We've asked for an alternative:
-    # https://github.com/CocoaPods/CocoaPods/issues/4386
-    ss.xcconfig = {
-      'USE_HEADERMAP' => 'NO',
-      'ALWAYS_SEARCH_USER_PATHS' => 'NO',
-      'USER_HEADER_SEARCH_PATHS' => '"$(PODS_ROOT)/Headers/Private/gRPC"',
-      'HEADER_SEARCH_PATHS' => '"$(PODS_ROOT)/Headers/Private/gRPC/include"'
-    }
-
-    ss.requires_arc = false
-    ss.libraries = 'z'
-    ss.dependency 'BoringSSL', '~> 3.0'
-
-    # ss.compiler_flags = '-GCC_WARN_INHIBIT_ALL_WARNINGS', '-w'
-  end
-
-  # Objective-C wrapper around the core gRPC library.
-  s.subspec 'GRPCClient' do |ss|
-    src_dir = "#{objc_dir}/GRPCClient"
-    ss.source_files = "#{src_dir}/*.{h,m}", "#{src_dir}/**/*.{h,m}"
-    ss.private_header_files = "#{src_dir}/private/*.h"
-    ss.header_mappings_dir = "#{objc_dir}"
-
-    ss.dependency 'gRPC/C-Core'
-    ss.dependency 'gRPC/RxLibrary'
-
-    # Certificates, to be able to establish TLS connections:
-    ss.resource_bundles = { 'gRPCCertificates' => ['etc/roots.pem'] }
-  end
-
-  # RPC library for ProtocolBuffers, based on gRPC
-  s.subspec 'ProtoRPC' do |ss|
-    src_dir = "#{objc_dir}/ProtoRPC"
-    ss.source_files = "#{src_dir}/*.{h,m}"
-    ss.header_mappings_dir = "#{objc_dir}"
-
-    ss.dependency 'gRPC/GRPCClient'
-    ss.dependency 'gRPC/RxLibrary'
-    ss.dependency 'Protobuf', '~> 3.0.0-alpha-4'
-  end
+  # Certificates, to be able to establish TLS connections:
+  s.resource_bundles = { 'gRPCCertificates' => ['etc/roots.pem'] }
 end
diff --git a/include/grpc/module.modulemap b/include/grpc/module.modulemap
new file mode 100644
index 0000000..ae11a78
--- /dev/null
+++ b/include/grpc/module.modulemap
@@ -0,0 +1,5 @@
+framework module grpc {
+  umbrella header "grpc.h"
+  export *
+  module * { export * }
+}
diff --git a/src/objective-c/BoringSSL.podspec b/src/objective-c/BoringSSL.podspec
index 7d1de80..26a0451 100644
--- a/src/objective-c/BoringSSL.podspec
+++ b/src/objective-c/BoringSSL.podspec
@@ -31,7 +31,8 @@
 
 Pod::Spec.new do |s|
   s.name     = 'BoringSSL'
-  s.version  = '3.0'
+  version = '4.0'
+  s.version  = version
   s.summary  = 'BoringSSL is a fork of OpenSSL that is designed to meet Google’s needs.'
   # Adapted from the homepage:
   s.description = <<-DESC
@@ -67,31 +68,136 @@
   s.authors  = 'Adam Langley', 'David Benjamin', 'Matt Braithwaite'
 
   s.source = { :git => 'https://boringssl.googlesource.com/boringssl',
-               :tag => 'version_for_cocoapods_3.0' }
+               :tag => "version_for_cocoapods_#{version}" }
 
-  s.source_files = 'ssl/*.{h,c}',
-                   'ssl/**/*.{h,c}',
-                   '*.{h,c}',
-                   'crypto/*.{h,c}',
-                   'crypto/**/*.{h,c}',
-                   'include/openssl/*.h'
+  name = 'openssl'
 
-  s.public_header_files = 'include/openssl/*.h'
-  s.header_mappings_dir = 'include'
+  # When creating a dynamic framework, name it openssl.framework instead of BoringSSL.framework.
+  # This lets users write their includes like `#include <openssl/ssl.h>` as opposed to `#include
+  # <BoringSSL/ssl.h>`.
+  s.module_name = name
 
-  s.exclude_files = "**/*_test.*"
+  # When creating a dynamic framework, copy the headers under `include/openssl/` into the root of
+  # the `Headers/` directory of the framework (i.e., not under `Headers/include/openssl`).
+  #
+  # TODO(jcanizales): Debug why this doesn't work on macOS.
+  s.header_mappings_dir = 'include/openssl'
+
+  # The above has an undesired effect when creating a static library: It forces users to write
+  # includes like `#include <BoringSSL/ssl.h>`. `s.header_dir` adds a path prefix to that, and
+  # because Cocoapods lets omit the pod name when including headers of static libraries, the
+  # following lets users write `#include <openssl/ssl.h>`.
+  s.header_dir = name
+
+  # The module map and umbrella header created automatically by Cocoapods don't work for C libraries
+  # like this one. The following file, and a correct umbrella header, are created on the fly by the
+  # `prepare_command` of this pod.
+  s.module_map = 'include/openssl/module.modulemap'
 
   # We don't need to inhibit all warnings; only -Wno-shorten-64-to-32. But Cocoapods' linter doesn't
   # want that for some reason.
   s.compiler_flags = '-DOPENSSL_NO_ASM', '-GCC_WARN_INHIBIT_ALL_WARNINGS', '-w'
   s.requires_arc = false
 
+  # Like many other C libraries, BoringSSL has its public headers under `include/<libname>/` and its
+  # sources and private headers in other directories outside `include/`. Cocoapods' linter doesn't
+  # allow any header to be listed outside the `header_mappings_dir` (even though doing so works in
+  # practice). Because we need our `header_mappings_dir` to be `include/openssl/` for the reason
+  # mentioned above, we work around the linter limitation by dividing the pod into two subspecs, one
+  # for public headers and the other for implementation. Each gets its own `header_mappings_dir`,
+  # making the linter happy.
+  s.subspec 'Interface' do |ss|
+    ss.header_mappings_dir = 'include/openssl'
+    ss.source_files = 'include/openssl/*.h'
+    # Doesn't compile correctly; but doesn't seem to be needed:
+    ss.exclude_files = 'include/openssl/arm_arch.h'
+  end
+  s.subspec 'Implementation' do |ss|
+    ss.header_mappings_dir = '.'
+    ss.source_files = 'ssl/*.{h,c}',
+                      'ssl/**/*.{h,c}',
+                      '*.{h,c}',
+                      'crypto/*.{h,c}',
+                      'crypto/**/*.{h,c}'
+    ss.private_header_files = 'ssl/*.h',
+                              'ssl/**/*.h',
+                              '*.h',
+                              'crypto/*.h',
+                              'crypto/**/*.h'
+    ss.exclude_files = '**/*_test.*',
+                       '**/test_*.*',
+                       '**/test/*.*'
+
+    ss.dependency "#{s.name}/Interface", version
+  end
+
   s.prepare_command = <<-END_OF_COMMAND
     # Replace "const BIGNUM *I" in rsa.h with a lowercase i, as the former fails when including
     # OpenSSL in a Swift bridging header (complex.h defines "I", and it's as if the compiler
     # included it in every bridged header).
     sed -E -i '.back' 's/\\*I,/*i,/g' include/openssl/rsa.h
 
+    # Replace `#include "../crypto/internal.h"` in e_tls.c with `#include "../internal.h"`. The
+    # former assumes crypto/ is in the headers search path, which is hard to enforce when using
+    # dynamic frameworks. The latters always works, being relative to the current file.
+    sed -E -i '.back' 's/crypto\\///g' crypto/cipher/e_tls.c
+
+    # Add a module map and an umbrella header
+    cat > include/openssl/umbrella.h <<EOF
+      #include "ssl.h"
+      #include "crypto.h"
+      #include "aes.h"
+      #include "asn1.h"
+      #include "asn1_mac.h"
+      #include "asn1t.h"
+      #include "blowfish.h"
+      #include "cast.h"
+      #include "chacha.h"
+      #include "cmac.h"
+      #include "conf.h"
+      #include "cpu.h"
+      #include "curve25519.h"
+      #include "des.h"
+      #include "dtls1.h"
+      #include "hkdf.h"
+      #include "md4.h"
+      #include "md5.h"
+      #include "newhope.h"
+      #include "obj_mac.h"
+      #include "objects.h"
+      #include "opensslv.h"
+      #include "ossl_typ.h"
+      #include "pkcs12.h"
+      #include "pkcs7.h"
+      #include "pkcs8.h"
+      #include "poly1305.h"
+      #include "rand.h"
+      #include "rc4.h"
+      #include "ripemd.h"
+      #include "safestack.h"
+      #include "srtp.h"
+      #include "time_support.h"
+      #include "x509.h"
+      #include "x509v3.h"
+    EOF
+    cat > include/openssl/module.modulemap <<EOF
+      framework module openssl {
+        umbrella header "umbrella.h"
+        export *
+        module * { export * }
+      }
+    EOF
+
+    # #include <inttypes.h> fails to compile when building a dynamic framework. libgit2 in
+    # https://github.com/libgit2/libgit2/commit/1ddada422caf8e72ba97dca2568d2bf879fed5f2 and libvpx
+    # in https://chromium.googlesource.com/webm/libvpx/+/1bec0c5a7e885ec792f6bb658eb3f34ad8f37b15
+    # work around it by removing the include. We need four of its macros, so we expand them here.
+    sed -E -i '.back' '/<inttypes.h>/d' include/openssl/bn.h
+    sed -E -i '.back' 's/PRIu32/"u"/g' include/openssl/bn.h
+    sed -E -i '.back' 's/PRIx32/"x"/g' include/openssl/bn.h
+    sed -E -i '.back' 's/PRIu64/"llu"/g' include/openssl/bn.h
+    sed -E -i '.back' 's/PRIx64/"llx"/g' include/openssl/bn.h
+
     # This is a bit ridiculous, but requiring people to install Go in order to build is slightly
     # more ridiculous IMO. To save you from scrolling, this is the last part of the podspec.
     # TODO(jcanizales): Translate err_data_generate.go into a Bash or Ruby script.
@@ -110,7 +216,7 @@
        * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN
        * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */
 
-       /* This file was generated by err_data_generate.go. */
+      /* This file was generated by err_data_generate.go. */
 
       #include <openssl/base.h>
       #include <openssl/err.h>
@@ -152,178 +258,166 @@
       OPENSSL_COMPILE_ASSERT(ERR_NUM_LIBS == 33, library_values_changed_num);
 
       const uint32_t kOpenSSLReasonValues[] = {
-          0xc3207ba,
-          0xc3287d4,
-          0xc3307e3,
-          0xc3387f3,
-          0xc340802,
-          0xc34881b,
-          0xc350827,
-          0xc358844,
-          0xc360856,
-          0xc368864,
-          0xc370874,
-          0xc378881,
-          0xc380891,
-          0xc38889c,
-          0xc3908b2,
-          0xc3988c1,
-          0xc3a08d5,
-          0xc3a87c7,
-          0xc3b00b0,
-          0x10321478,
-          0x10329484,
-          0x1033149d,
-          0x103394b0,
-          0x10340de1,
-          0x103494cf,
-          0x103514e4,
-          0x10359516,
-          0x1036152f,
-          0x10369544,
-          0x10371562,
-          0x10379571,
-          0x1038158d,
-          0x103895a8,
-          0x103915b7,
-          0x103995d3,
-          0x103a15ee,
-          0x103a9605,
-          0x103b1616,
-          0x103b962a,
-          0x103c1649,
-          0x103c9658,
-          0x103d166f,
-          0x103d9682,
-          0x103e0b6c,
-          0x103e96b3,
-          0x103f16c6,
-          0x103f96e0,
-          0x104016f0,
-          0x10409704,
-          0x1041171a,
-          0x10419732,
-          0x10421747,
-          0x1042975b,
-          0x1043176d,
-          0x104385d0,
-          0x104408c1,
-          0x10449782,
-          0x10451799,
-          0x104597ae,
-          0x104617bc,
-          0x10469695,
-          0x104714f7,
-          0x104787c7,
-          0x104800b0,
-          0x104894c3,
-          0x14320b4f,
-          0x14328b5d,
-          0x14330b6c,
-          0x14338b7e,
+          0xc320838,
+          0xc328852,
+          0xc330861,
+          0xc338871,
+          0xc340880,
+          0xc348899,
+          0xc3508a5,
+          0xc3588c2,
+          0xc3608d4,
+          0xc3688e2,
+          0xc3708f2,
+          0xc3788ff,
+          0xc38090f,
+          0xc38891a,
+          0xc390930,
+          0xc39893f,
+          0xc3a0953,
+          0xc3a8845,
+          0xc3b00ea,
+          0x10320845,
+          0x103293ab,
+          0x103313b7,
+          0x103393d0,
+          0x103413e3,
+          0x10348e8b,
+          0x10350c19,
+          0x103593f6,
+          0x1036140b,
+          0x1036941e,
+          0x1037143d,
+          0x10379456,
+          0x1038146b,
+          0x10389489,
+          0x10391498,
+          0x103994b4,
+          0x103a14cf,
+          0x103a94de,
+          0x103b14fa,
+          0x103b9515,
+          0x103c152c,
+          0x103c80ea,
+          0x103d153d,
+          0x103d9551,
+          0x103e1570,
+          0x103e957f,
+          0x103f1596,
+          0x103f95a9,
+          0x10400bea,
+          0x104095bc,
+          0x104115da,
+          0x104195ed,
+          0x10421607,
+          0x10429617,
+          0x1043162b,
+          0x10439641,
+          0x10441659,
+          0x1044966e,
+          0x10451682,
+          0x10459694,
+          0x104605fb,
+          0x1046893f,
+          0x104716a9,
+          0x104796c0,
+          0x104816d5,
+          0x104896e3,
+          0x14320bcd,
+          0x14328bdb,
+          0x14330bea,
+          0x14338bfc,
+          0x143400ac,
+          0x143480ea,
           0x18320083,
-          0x18328e47,
-          0x18340e75,
-          0x18348e89,
-          0x18358ec0,
-          0x18368eed,
-          0x18370f00,
-          0x18378f14,
-          0x18380f38,
-          0x18388f46,
-          0x18390f5c,
-          0x18398f70,
-          0x183a0f80,
-          0x183b0f90,
-          0x183b8fa5,
-          0x183c8fd0,
-          0x183d0fe4,
-          0x183d8ff4,
-          0x183e0b9b,
-          0x183e9001,
-          0x183f1013,
-          0x183f901e,
-          0x1840102e,
-          0x1840903f,
-          0x18411050,
-          0x18419062,
-          0x1842108b,
-          0x184290bd,
-          0x184310cc,
-          0x18451135,
-          0x1845914b,
-          0x18461166,
-          0x18468ed8,
-          0x184709d9,
-          0x18478094,
-          0x18480fbc,
-          0x18489101,
-          0x18490e5d,
-          0x18498e9e,
-          0x184a119c,
-          0x184a9119,
-          0x184b10e0,
-          0x184b8e37,
-          0x184c10a4,
-          0x184c866b,
-          0x184d1181,
-          0x203211c3,
-          0x243211cf,
-          0x24328907,
-          0x243311e1,
-          0x243391ee,
-          0x243411fb,
-          0x2434920d,
-          0x2435121c,
-          0x24359239,
-          0x24361246,
-          0x24369254,
-          0x24371262,
-          0x24379270,
-          0x24381279,
-          0x24389286,
-          0x24391299,
-          0x28320b8f,
-          0x28328b9b,
-          0x28330b6c,
-          0x28338bae,
-          0x2c322c0b,
-          0x2c32ac19,
-          0x2c332c2b,
-          0x2c33ac3d,
-          0x2c342c51,
-          0x2c34ac63,
-          0x2c352c7e,
-          0x2c35ac90,
-          0x2c362ca3,
-          0x2c3682f3,
-          0x2c372cb0,
-          0x2c37acc2,
-          0x2c382cd5,
-          0x2c38ace3,
-          0x2c392cf3,
-          0x2c39ad05,
-          0x2c3a2d19,
-          0x2c3aad2a,
-          0x2c3b1359,
-          0x2c3bad3b,
-          0x2c3c2d4f,
-          0x2c3cad65,
-          0x2c3d2d7e,
-          0x2c3dadac,
-          0x2c3e2dba,
-          0x2c3eadd2,
-          0x2c3f2dea,
-          0x2c3fadf7,
-          0x2c402e1a,
-          0x2c40ae39,
-          0x2c4111c3,
-          0x2c41ae4a,
-          0x2c422e5d,
-          0x2c429135,
-          0x2c432e6e,
-          0x2c4386a2,
-          0x2c442d9b,
+          0x18328ee1,
+          0x183300ac,
+          0x18338ef7,
+          0x18340f0b,
+          0x183480ea,
+          0x18350f20,
+          0x18358f38,
+          0x18360f4d,
+          0x18368f61,
+          0x18370f85,
+          0x18378f9b,
+          0x18380faf,
+          0x18388fbf,
+          0x18390a57,
+          0x18398fcf,
+          0x183a0fe4,
+          0x183a8ff8,
+          0x183b0c25,
+          0x183b9005,
+          0x183c1017,
+          0x183c9022,
+          0x183d1032,
+          0x183d9043,
+          0x183e1054,
+          0x183e9066,
+          0x183f108f,
+          0x183f90a8,
+          0x184010c0,
+          0x184086d3,
+          0x203210e7,
+          0x243210f3,
+          0x24328985,
+          0x24331105,
+          0x24339112,
+          0x2434111f,
+          0x24349131,
+          0x24351140,
+          0x2435915d,
+          0x2436116a,
+          0x24369178,
+          0x24371186,
+          0x24379194,
+          0x2438119d,
+          0x243891aa,
+          0x243911bd,
+          0x28320c0d,
+          0x28328c25,
+          0x28330bea,
+          0x28338c38,
+          0x28340c19,
+          0x283480ac,
+          0x283500ea,
+          0x2c322775,
+          0x2c32a783,
+          0x2c332795,
+          0x2c33a7a7,
+          0x2c3427bb,
+          0x2c34a7cd,
+          0x2c3527e8,
+          0x2c35a7fa,
+          0x2c36280d,
+          0x2c36832d,
+          0x2c37281a,
+          0x2c37a82c,
+          0x2c38283f,
+          0x2c38a856,
+          0x2c392864,
+          0x2c39a874,
+          0x2c3a2886,
+          0x2c3aa89a,
+          0x2c3b28ab,
+          0x2c3ba8ca,
+          0x2c3c28de,
+          0x2c3ca8f4,
+          0x2c3d290d,
+          0x2c3da92a,
+          0x2c3e293b,
+          0x2c3ea949,
+          0x2c3f2961,
+          0x2c3fa979,
+          0x2c402986,
+          0x2c4090e7,
+          0x2c412997,
+          0x2c41a9aa,
+          0x2c4210c0,
+          0x2c42a9bb,
+          0x2c430720,
+          0x2c43a8bc,
           0x30320000,
           0x30328015,
           0x3033001f,
@@ -333,479 +427,451 @@
           0x3035006b,
           0x30358083,
           0x30360094,
-          0x303680a1,
-          0x303700b0,
-          0x303780bd,
-          0x303800d0,
-          0x303880eb,
-          0x30390100,
-          0x30398114,
-          0x303a0128,
-          0x303a8139,
-          0x303b0152,
-          0x303b816f,
-          0x303c017d,
-          0x303c8191,
-          0x303d01a1,
-          0x303d81ba,
-          0x303e01ca,
-          0x303e81dd,
-          0x303f01ec,
-          0x303f81f8,
-          0x3040020d,
-          0x3040821d,
-          0x30410234,
-          0x30418241,
-          0x30420254,
-          0x30428263,
-          0x30430278,
-          0x30438299,
-          0x304402ac,
-          0x304482bf,
-          0x304502d8,
-          0x304582f3,
-          0x30460310,
-          0x30468329,
-          0x30470337,
-          0x30478348,
-          0x30480357,
-          0x3048836f,
-          0x30490381,
-          0x30498395,
-          0x304a03b4,
-          0x304a83c7,
-          0x304b03d2,
-          0x304b83e1,
-          0x304c03f2,
-          0x304c83fe,
-          0x304d0414,
-          0x304d8422,
-          0x304e0438,
-          0x304e844a,
-          0x304f045c,
-          0x304f846f,
-          0x30500482,
-          0x30508493,
-          0x305104a3,
-          0x305184bb,
-          0x305204d0,
-          0x305284e8,
-          0x305304fc,
-          0x30538514,
-          0x3054052d,
-          0x30548546,
-          0x30550563,
-          0x3055856e,
-          0x30560586,
-          0x30568596,
-          0x305705a7,
-          0x305785ba,
-          0x305805d0,
-          0x305885d9,
-          0x305905ee,
-          0x30598601,
-          0x305a0610,
-          0x305a8630,
-          0x305b063f,
-          0x305b864b,
-          0x305c066b,
-          0x305c8687,
-          0x305d0698,
-          0x305d86a2,
-          0x34320ac9,
-          0x34328add,
-          0x34330afa,
-          0x34338b0d,
-          0x34340b1c,
-          0x34348b39,
+          0x303680ac,
+          0x303700b9,
+          0x303780c8,
+          0x303800ea,
+          0x303880f7,
+          0x3039010a,
+          0x30398125,
+          0x303a013a,
+          0x303a814e,
+          0x303b0162,
+          0x303b8173,
+          0x303c018c,
+          0x303c81a9,
+          0x303d01b7,
+          0x303d81cb,
+          0x303e01db,
+          0x303e81f4,
+          0x303f0204,
+          0x303f8217,
+          0x30400226,
+          0x30408232,
+          0x30410247,
+          0x30418257,
+          0x3042026e,
+          0x3042827b,
+          0x3043028e,
+          0x3043829d,
+          0x304402b2,
+          0x304482d3,
+          0x304502e6,
+          0x304582f9,
+          0x30460312,
+          0x3046832d,
+          0x3047034a,
+          0x30478363,
+          0x30480371,
+          0x30488382,
+          0x30490391,
+          0x304983a9,
+          0x304a03bb,
+          0x304a83cf,
+          0x304b03ee,
+          0x304b8401,
+          0x304c040c,
+          0x304c841d,
+          0x304d0429,
+          0x304d843f,
+          0x304e044d,
+          0x304e8463,
+          0x304f0475,
+          0x304f8487,
+          0x3050049a,
+          0x305084ad,
+          0x305104be,
+          0x305184ce,
+          0x305204e6,
+          0x305284fb,
+          0x30530513,
+          0x30538527,
+          0x3054053f,
+          0x30548558,
+          0x30550571,
+          0x3055858e,
+          0x30560599,
+          0x305685b1,
+          0x305705c1,
+          0x305785d2,
+          0x305805e5,
+          0x305885fb,
+          0x30590604,
+          0x30598619,
+          0x305a062c,
+          0x305a863b,
+          0x305b065b,
+          0x305b866a,
+          0x305c068b,
+          0x305c86a7,
+          0x305d06b3,
+          0x305d86d3,
+          0x305e06ef,
+          0x305e8700,
+          0x305f0716,
+          0x305f8720,
+          0x34320b47,
+          0x34328b5b,
+          0x34330b78,
+          0x34338b8b,
+          0x34340b9a,
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-          0x783809d9,
-          0x783889eb,
-          0x783909f8,
-          0x78398a17,
-          0x783a0a2c,
-          0x783a8a3a,
-          0x783b0a44,
-          0x783b8a58,
-          0x783c0a6f,
-          0x783c8a84,
-          0x783d0a9b,
-          0x783d8ab0,
-          0x783e0a06,
-          0x7c3211b2,
+          0x783409a0,
+          0x783489b5,
+          0x783509d4,
+          0x783589f6,
+          0x78360a0b,
+          0x78368a21,
+          0x78370a31,
+          0x78378a44,
+          0x78380a57,
+          0x78388a69,
+          0x78390a76,
+          0x78398a95,
+          0x783a0aaa,
+          0x783a8ab8,
+          0x783b0ac2,
+          0x783b8ad6,
+          0x783c0aed,
+          0x783c8b02,
+          0x783d0b19,
+          0x783d8b2e,
+          0x783e0a84,
+          0x7c3210d6,
       };
 
       const size_t kOpenSSLReasonValuesLen = sizeof(kOpenSSLReasonValues) / sizeof(kOpenSSLReasonValues[0]);
@@ -819,8 +885,10 @@
           "BN_LIB\\0"
           "BOOLEAN_IS_WRONG_LENGTH\\0"
           "BUFFER_TOO_SMALL\\0"
+          "CONTEXT_NOT_INITIALISED\\0"
           "DECODE_ERROR\\0"
           "DEPTH_EXCEEDED\\0"
+          "DIGEST_AND_KEY_TYPE_NOT_SUPPORTED\\0"
           "ENCODE_ERROR\\0"
           "ERROR_GETTING_TIME\\0"
           "EXPECTING_AN_ASN1_SEQUENCE\\0"
@@ -861,7 +929,6 @@
           "INVALID_UNIVERSALSTRING_LENGTH\\0"
           "INVALID_UTF8STRING\\0"
           "LIST_ERROR\\0"
-          "MALLOC_FAILURE\\0"
           "MISSING_ASN1_EOS\\0"
           "MISSING_EOC\\0"
           "MISSING_SECOND_NUMBER\\0"
@@ -893,10 +960,13 @@
           "UNEXPECTED_EOC\\0"
           "UNIVERSALSTRING_IS_WRONG_LENGTH\\0"
           "UNKNOWN_FORMAT\\0"
+          "UNKNOWN_MESSAGE_DIGEST_ALGORITHM\\0"
+          "UNKNOWN_SIGNATURE_ALGORITHM\\0"
           "UNKNOWN_TAG\\0"
           "UNSUPPORTED_ANY_DEFINED_BY_TYPE\\0"
           "UNSUPPORTED_PUBLIC_KEY_TYPE\\0"
           "UNSUPPORTED_TYPE\\0"
+          "WRONG_PUBLIC_KEY_TYPE\\0"
           "WRONG_TAG\\0"
           "WRONG_TYPE\\0"
           "BAD_FOPEN_MODE\\0"
@@ -969,6 +1039,7 @@
           "MODULUS_TOO_LARGE\\0"
           "NO_PRIVATE_VALUE\\0"
           "BAD_Q_VALUE\\0"
+          "BAD_VERSION\\0"
           "MISSING_PARAMETERS\\0"
           "NEED_NEW_SETUP_VALUES\\0"
           "BIGNUM_OUT_OF_RANGE\\0"
@@ -976,8 +1047,10 @@
           "D2I_ECPKPARAMETERS_FAILURE\\0"
           "EC_GROUP_NEW_BY_NAME_FAILURE\\0"
           "GROUP2PKPARAMETERS_FAILURE\\0"
+          "GROUP_MISMATCH\\0"
           "I2D_ECPKPARAMETERS_FAILURE\\0"
           "INCOMPATIBLE_OBJECTS\\0"
+          "INVALID_COFACTOR\\0"
           "INVALID_COMPRESSED_POINT\\0"
           "INVALID_COMPRESSION_BIT\\0"
           "INVALID_ENCODING\\0"
@@ -1002,27 +1075,19 @@
           "NOT_IMPLEMENTED\\0"
           "RANDOM_NUMBER_GENERATION_FAILED\\0"
           "OPERATION_NOT_SUPPORTED\\0"
-          "BN_DECODE_ERROR\\0"
           "COMMAND_NOT_SUPPORTED\\0"
-          "CONTEXT_NOT_INITIALISED\\0"
           "DIFFERENT_KEY_TYPES\\0"
           "DIFFERENT_PARAMETERS\\0"
-          "DIGEST_AND_KEY_TYPE_NOT_SUPPORTED\\0"
           "EXPECTING_AN_EC_KEY_KEY\\0"
           "EXPECTING_AN_RSA_KEY\\0"
-          "EXPECTING_A_DH_KEY\\0"
           "EXPECTING_A_DSA_KEY\\0"
           "ILLEGAL_OR_UNSUPPORTED_PADDING_MODE\\0"
-          "INVALID_CURVE\\0"
           "INVALID_DIGEST_LENGTH\\0"
           "INVALID_DIGEST_TYPE\\0"
           "INVALID_KEYBITS\\0"
           "INVALID_MGF1_MD\\0"
           "INVALID_PADDING_MODE\\0"
-          "INVALID_PSS_PARAMETERS\\0"
           "INVALID_PSS_SALTLEN\\0"
-          "INVALID_SALT_LENGTH\\0"
-          "INVALID_TRAILER\\0"
           "KEYS_NOT_SET\\0"
           "NO_DEFAULT_DIGEST\\0"
           "NO_KEY_SET\\0"
@@ -1032,17 +1097,8 @@
           "NO_PARAMETERS_SET\\0"
           "OPERATION_NOT_SUPPORTED_FOR_THIS_KEYTYPE\\0"
           "OPERATON_NOT_INITIALIZED\\0"
-          "PARAMETER_ENCODING_ERROR\\0"
-          "UNKNOWN_DIGEST\\0"
-          "UNKNOWN_MASK_DIGEST\\0"
-          "UNKNOWN_MESSAGE_DIGEST_ALGORITHM\\0"
           "UNKNOWN_PUBLIC_KEY_TYPE\\0"
-          "UNKNOWN_SIGNATURE_ALGORITHM\\0"
           "UNSUPPORTED_ALGORITHM\\0"
-          "UNSUPPORTED_MASK_ALGORITHM\\0"
-          "UNSUPPORTED_MASK_PARAMETER\\0"
-          "UNSUPPORTED_SIGNATURE_TYPE\\0"
-          "WRONG_PUBLIC_KEY_TYPE\\0"
           "OUTPUT_TOO_LARGE\\0"
           "UNKNOWN_NID\\0"
           "BAD_BASE64_DECODE\\0"
@@ -1078,13 +1134,13 @@
           "UNKNOWN_ALGORITHM\\0"
           "UNKNOWN_CIPHER\\0"
           "UNKNOWN_CIPHER_ALGORITHM\\0"
+          "UNKNOWN_DIGEST\\0"
           "UNKNOWN_HASH\\0"
           "UNSUPPORTED_PRIVATE_KEY_ALGORITHM\\0"
           "BAD_E_VALUE\\0"
           "BAD_FIXED_HEADER_DECRYPT\\0"
           "BAD_PAD_BYTE_COUNT\\0"
           "BAD_RSA_PARAMETERS\\0"
-          "BAD_VERSION\\0"
           "BLOCK_TYPE_IS_NOT_01\\0"
           "BN_NOT_INITIALIZED\\0"
           "CANNOT_RECOVER_MULTI_PRIME_KEY\\0"
@@ -1129,7 +1185,6 @@
           "BAD_DIGEST_LENGTH\\0"
           "BAD_ECC_CERT\\0"
           "BAD_ECPOINT\\0"
-          "BAD_HANDSHAKE_LENGTH\\0"
           "BAD_HANDSHAKE_RECORD\\0"
           "BAD_HELLO_REQUEST\\0"
           "BAD_LENGTH\\0"
@@ -1140,7 +1195,6 @@
           "BAD_SSL_FILETYPE\\0"
           "BAD_WRITE_RETRY\\0"
           "BIO_NOT_SET\\0"
-          "CANNOT_SERIALIZE_PUBLIC_KEY\\0"
           "CA_DN_LENGTH_MISMATCH\\0"
           "CA_DN_TOO_LONG\\0"
           "CCS_RECEIVED_EARLY\\0"
@@ -1149,17 +1203,12 @@
           "CERT_LENGTH_MISMATCH\\0"
           "CHANNEL_ID_NOT_P256\\0"
           "CHANNEL_ID_SIGNATURE_INVALID\\0"
-          "CIPHER_CODE_WRONG_LENGTH\\0"
           "CIPHER_OR_HASH_UNAVAILABLE\\0"
           "CLIENTHELLO_PARSE_FAILED\\0"
           "CLIENTHELLO_TLSEXT\\0"
           "CONNECTION_REJECTED\\0"
           "CONNECTION_TYPE_NOT_SET\\0"
-          "COOKIE_MISMATCH\\0"
-          "CUSTOM_EXTENSION_CONTENTS_TOO_LARGE\\0"
           "CUSTOM_EXTENSION_ERROR\\0"
-          "D2I_ECDSA_SIG\\0"
-          "DATA_BETWEEN_CCS_AND_FINISHED\\0"
           "DATA_LENGTH_TOO_LONG\\0"
           "DECRYPTION_FAILED\\0"
           "DECRYPTION_FAILED_OR_BAD_RECORD_MAC\\0"
@@ -1168,38 +1217,28 @@
           "DIGEST_CHECK_FAILED\\0"
           "DTLS_MESSAGE_TOO_BIG\\0"
           "ECC_CERT_NOT_FOR_SIGNING\\0"
-          "EMPTY_SRTP_PROTECTION_PROFILE_LIST\\0"
           "EMS_STATE_INCONSISTENT\\0"
           "ENCRYPTED_LENGTH_TOO_LONG\\0"
           "ERROR_ADDING_EXTENSION\\0"
           "ERROR_IN_RECEIVED_CIPHER_LIST\\0"
           "ERROR_PARSING_EXTENSION\\0"
-          "EVP_DIGESTSIGNFINAL_FAILED\\0"
-          "EVP_DIGESTSIGNINIT_FAILED\\0"
           "EXCESSIVE_MESSAGE_SIZE\\0"
           "EXTRA_DATA_IN_MESSAGE\\0"
           "FRAGMENT_MISMATCH\\0"
-          "GOT_A_FIN_BEFORE_A_CCS\\0"
-          "GOT_CHANNEL_ID_BEFORE_A_CCS\\0"
-          "GOT_NEXT_PROTO_BEFORE_A_CCS\\0"
           "GOT_NEXT_PROTO_WITHOUT_EXTENSION\\0"
           "HANDSHAKE_FAILURE_ON_CLIENT_HELLO\\0"
-          "HANDSHAKE_RECORD_BEFORE_CCS\\0"
           "HTTPS_PROXY_REQUEST\\0"
           "HTTP_REQUEST\\0"
           "INAPPROPRIATE_FALLBACK\\0"
           "INVALID_COMMAND\\0"
           "INVALID_MESSAGE\\0"
+          "INVALID_OUTER_RECORD_TYPE\\0"
           "INVALID_SSL_SESSION\\0"
           "INVALID_TICKET_KEYS_LENGTH\\0"
           "LENGTH_MISMATCH\\0"
           "LIBRARY_HAS_NO_CIPHERS\\0"
-          "MISSING_DH_KEY\\0"
-          "MISSING_ECDSA_SIGNING_CERT\\0"
           "MISSING_EXTENSION\\0"
           "MISSING_RSA_CERTIFICATE\\0"
-          "MISSING_RSA_ENCRYPTING_CERT\\0"
-          "MISSING_RSA_SIGNING_CERT\\0"
           "MISSING_TMP_DH_KEY\\0"
           "MISSING_TMP_ECDH_KEY\\0"
           "MIXED_SPECIAL_OPERATOR_WITH_GROUPS\\0"
@@ -1211,7 +1250,6 @@
           "NO_CERTIFICATE_SET\\0"
           "NO_CIPHERS_AVAILABLE\\0"
           "NO_CIPHERS_PASSED\\0"
-          "NO_CIPHERS_SPECIFIED\\0"
           "NO_CIPHER_MATCH\\0"
           "NO_COMPRESSION_SPECIFIED\\0"
           "NO_METHOD_SPECIFIED\\0"
@@ -1220,13 +1258,10 @@
           "NO_RENEGOTIATION\\0"
           "NO_REQUIRED_DIGEST\\0"
           "NO_SHARED_CIPHER\\0"
-          "NO_SHARED_SIGATURE_ALGORITHMS\\0"
-          "NO_SRTP_PROFILES\\0"
           "NULL_SSL_CTX\\0"
           "NULL_SSL_METHOD_PASSED\\0"
           "OLD_SESSION_CIPHER_NOT_RETURNED\\0"
           "OLD_SESSION_VERSION_NOT_RETURNED\\0"
-          "PACKET_LENGTH_TOO_LONG\\0"
           "PARSE_TLSEXT\\0"
           "PATH_TOO_LONG\\0"
           "PEER_DID_NOT_RETURN_A_CERTIFICATE\\0"
@@ -1235,11 +1270,9 @@
           "PSK_IDENTITY_NOT_FOUND\\0"
           "PSK_NO_CLIENT_CB\\0"
           "PSK_NO_SERVER_CB\\0"
-          "READ_BIO_NOT_SET\\0"
           "READ_TIMEOUT_EXPIRED\\0"
           "RECORD_LENGTH_MISMATCH\\0"
           "RECORD_TOO_LARGE\\0"
-          "RENEGOTIATE_EXT_TOO_LONG\\0"
           "RENEGOTIATION_ENCODING_ERR\\0"
           "RENEGOTIATION_MISMATCH\\0"
           "REQUIRED_CIPHER_MISSING\\0"
@@ -1249,13 +1282,11 @@
           "SERVERHELLO_TLSEXT\\0"
           "SESSION_ID_CONTEXT_UNINITIALIZED\\0"
           "SESSION_MAY_NOT_BE_CREATED\\0"
-          "SIGNATURE_ALGORITHMS_ERROR\\0"
+          "SHUTDOWN_WHILE_IN_INIT\\0"
           "SIGNATURE_ALGORITHMS_EXTENSION_SENT_BY_SERVER\\0"
           "SRTP_COULD_NOT_ALLOCATE_PROFILES\\0"
-          "SRTP_PROTECTION_PROFILE_LIST_TOO_LONG\\0"
           "SRTP_UNKNOWN_PROTECTION_PROFILE\\0"
           "SSL3_EXT_INVALID_SERVERNAME\\0"
-          "SSL3_EXT_INVALID_SERVERNAME_TYPE\\0"
           "SSLV3_ALERT_BAD_CERTIFICATE\\0"
           "SSLV3_ALERT_BAD_RECORD_MAC\\0"
           "SSLV3_ALERT_CERTIFICATE_EXPIRED\\0"
@@ -1270,10 +1301,7 @@
           "SSLV3_ALERT_UNSUPPORTED_CERTIFICATE\\0"
           "SSL_CTX_HAS_NO_DEFAULT_SSL_VERSION\\0"
           "SSL_HANDSHAKE_FAILURE\\0"
-          "SSL_SESSION_ID_CALLBACK_FAILED\\0"
-          "SSL_SESSION_ID_CONFLICT\\0"
           "SSL_SESSION_ID_CONTEXT_TOO_LONG\\0"
-          "SSL_SESSION_ID_HAS_BAD_LENGTH\\0"
           "TLSV1_ALERT_ACCESS_DENIED\\0"
           "TLSV1_ALERT_DECODE_ERROR\\0"
           "TLSV1_ALERT_DECRYPTION_FAILED\\0"
@@ -1292,17 +1320,12 @@
           "TLSV1_CERTIFICATE_UNOBTAINABLE\\0"
           "TLSV1_UNRECOGNIZED_NAME\\0"
           "TLSV1_UNSUPPORTED_EXTENSION\\0"
-          "TLS_CLIENT_CERT_REQ_WITH_ANON_CIPHER\\0"
-          "TLS_ILLEGAL_EXPORTER_LABEL\\0"
-          "TLS_INVALID_ECPOINTFORMAT_LIST\\0"
           "TLS_PEER_DID_NOT_RESPOND_WITH_CERTIFICATE_LIST\\0"
           "TLS_RSA_ENCRYPTED_VALUE_LENGTH_IS_WRONG\\0"
           "TOO_MANY_EMPTY_FRAGMENTS\\0"
           "TOO_MANY_WARNING_ALERTS\\0"
           "UNABLE_TO_FIND_ECDH_PARAMETERS\\0"
-          "UNABLE_TO_FIND_PUBLIC_KEY_PARAMETERS\\0"
           "UNEXPECTED_EXTENSION\\0"
-          "UNEXPECTED_GROUP_CLOSE\\0"
           "UNEXPECTED_MESSAGE\\0"
           "UNEXPECTED_OPERATOR_IN_GROUP\\0"
           "UNEXPECTED_RECORD\\0"
@@ -1314,13 +1337,10 @@
           "UNKNOWN_PROTOCOL\\0"
           "UNKNOWN_SSL_VERSION\\0"
           "UNKNOWN_STATE\\0"
-          "UNPROCESSED_HANDSHAKE_DATA\\0"
           "UNSAFE_LEGACY_RENEGOTIATION_DISABLED\\0"
           "UNSUPPORTED_COMPRESSION_ALGORITHM\\0"
           "UNSUPPORTED_ELLIPTIC_CURVE\\0"
           "UNSUPPORTED_PROTOCOL\\0"
-          "UNSUPPORTED_SSL_VERSION\\0"
-          "USE_SRTP_NOT_NEGOTIATED\\0"
           "WRONG_CERTIFICATE_TYPE\\0"
           "WRONG_CIPHER_RETURNED\\0"
           "WRONG_CURVE\\0"
@@ -1341,12 +1361,14 @@
           "IDP_MISMATCH\\0"
           "INVALID_DIRECTORY\\0"
           "INVALID_FIELD_NAME\\0"
+          "INVALID_PSS_PARAMETERS\\0"
           "INVALID_TRUST\\0"
           "ISSUER_MISMATCH\\0"
           "KEY_TYPE_MISMATCH\\0"
           "KEY_VALUES_MISMATCH\\0"
           "LOADING_CERT_DIR\\0"
           "LOADING_DEFAULTS\\0"
+          "NAME_TOO_LONG\\0"
           "NEWER_CRL_NOT_NEWER\\0"
           "NOT_PKCS7_SIGNED_DATA\\0"
           "NO_CERTIFICATES_INCLUDED\\0"
@@ -1356,8 +1378,6 @@
           "PUBLIC_KEY_DECODE_ERROR\\0"
           "PUBLIC_KEY_ENCODE_ERROR\\0"
           "SHOULD_RETRY\\0"
-          "UNABLE_TO_FIND_PARAMETERS_IN_CHAIN\\0"
-          "UNABLE_TO_GET_CERTS_PUBLIC_KEY\\0"
           "UNKNOWN_KEY_TYPE\\0"
           "UNKNOWN_PURPOSE_ID\\0"
           "UNKNOWN_TRUST_ID\\0"
diff --git a/src/objective-c/GRPCClient/GRPCCall.m b/src/objective-c/GRPCClient/GRPCCall.m
index e9678f3..da9473f 100644
--- a/src/objective-c/GRPCClient/GRPCCall.m
+++ b/src/objective-c/GRPCClient/GRPCCall.m
@@ -377,6 +377,7 @@
       [strongSelf finishWithError:[NSError errorWithDomain:kGRPCErrorDomain
                                                       code:GRPCErrorCodeUnavailable
                                                   userInfo:@{NSLocalizedDescriptionKey: @"Connectivity lost."}]];
+      [[GRPCHost hostWithAddress:strongSelf->_host] disconnect];
     }
   }];
 }
diff --git a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
index a3fa593..97f6b89 100644
--- a/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
+++ b/src/objective-c/GRPCClient/private/GRPCWrappedCall.m
@@ -252,7 +252,7 @@
 
     // Each completion queue consumes one thread. There's a trade to be made between creating and
     // consuming too many threads and having contention of multiple calls in a single completion
-    // queue. Currently we favor latency and use one per call.
+    // queue. Currently we use a singleton queue.
     _queue = [GRPCCompletionQueue completionQueue];
 
     _call = [[GRPCHost hostWithAddress:host] unmanagedCallWithPath:path completionQueue:_queue];
diff --git a/src/objective-c/ProtoRPC/ProtoRPC.m b/src/objective-c/ProtoRPC/ProtoRPC.m
index fb0b566..e7232f2 100644
--- a/src/objective-c/ProtoRPC/ProtoRPC.m
+++ b/src/objective-c/ProtoRPC/ProtoRPC.m
@@ -33,7 +33,7 @@
 
 #import "ProtoRPC.h"
 
-#import <GPBProtocolBuffers.h>
+#import <Protobuf/GPBProtocolBuffers.h>
 #import <RxLibrary/GRXWriteable.h>
 #import <RxLibrary/GRXWriter+Transformations.h>
 
diff --git a/src/objective-c/README.md b/src/objective-c/README.md
index 30d9aad..736c324 100644
--- a/src/objective-c/README.md
+++ b/src/objective-c/README.md
@@ -47,6 +47,10 @@
   s.name     = '<Podspec file name>'
   s.version  = '0.0.1'
   s.license  = '...'
+  s.authors  = { '<your name>' => '<your email>' }
+  s.homepage = '...'
+  s.summary = '...'
+  s.source = { :git => 'https://github.com/...' }
 
   s.ios.deployment_target = '7.1'
   s.osx.deployment_target = '10.9'
@@ -60,7 +64,11 @@
     ms.source_files = "*.pbobjc.{h,m}"
     ms.header_mappings_dir = "."
     ms.requires_arc = false
-    ms.dependency "Protobuf", "~> 3.0.0-alpha-4"
+    ms.dependency "Protobuf", "~> 3.0.0-beta-2"
+    # This is needed by all pods that depend on Protobuf:
+    ms.pod_target_xcconfig = {
+      'GCC_PREPROCESSOR_DEFINITIONS' => '$(inherited) GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS=1',
+    }
   end
 
   # The --objcgrpc_out plugin generates a pair of .pbrpc.h/.pbrpc.m files for each .proto file with
@@ -69,7 +77,7 @@
     ss.source_files = "*.pbrpc.{h,m}"
     ss.header_mappings_dir = "."
     ss.requires_arc = true
-    ss.dependency "gRPC", "~> 0.12"
+    ss.dependency "gRPC-ProtoRPC", "~> 0.14"
     ss.dependency "#{s.name}/Messages"
   end
 end
diff --git a/src/objective-c/examples/RemoteTestClient/RemoteTest.podspec b/src/objective-c/examples/RemoteTestClient/RemoteTest.podspec
index 107e6de..e3b50dd 100644
--- a/src/objective-c/examples/RemoteTestClient/RemoteTest.podspec
+++ b/src/objective-c/examples/RemoteTestClient/RemoteTest.podspec
@@ -1,10 +1,10 @@
 Pod::Spec.new do |s|
-  s.name     = "RemoteTest"
-  s.version  = "0.0.1"
-  s.license  = "New BSD"
+  s.name     = 'RemoteTest'
+  s.version  = '0.0.1'
+  s.license  = 'New BSD'
   s.authors  = { 'gRPC contributors' => 'grpc-io@googlegroups.com' }
-  s.homepage = "http://www.grpc.io/"
-  s.summary = "RemoteTest example"
+  s.homepage = 'http://www.grpc.io/'
+  s.summary = 'RemoteTest example'
   s.source = { :git => 'https://github.com/grpc/grpc.git' }
 
   s.ios.deployment_target = '7.1'
@@ -15,18 +15,22 @@
     protoc --objc_out=. --objcgrpc_out=. *.proto
   CMD
 
-  s.subspec "Messages" do |ms|
-    ms.source_files = "*.pbobjc.{h,m}"
-    ms.header_mappings_dir = "."
+  s.subspec 'Messages' do |ms|
+    ms.source_files = '*.pbobjc.{h,m}'
+    ms.header_mappings_dir = '.'
     ms.requires_arc = false
-    ms.dependency "Protobuf", "~> 3.0.0-alpha-4"
+    ms.dependency 'Protobuf', '~> 3.0.0-beta-3.1'
+    # This is needed by all pods that depend on Protobuf:
+    ms.pod_target_xcconfig = {
+      'GCC_PREPROCESSOR_DEFINITIONS' => '$(inherited) GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS=1',
+    }
   end
 
-  s.subspec "Services" do |ss|
-    ss.source_files = "*.pbrpc.{h,m}"
-    ss.header_mappings_dir = "."
+  s.subspec 'Services' do |ss|
+    ss.source_files = '*.pbrpc.{h,m}'
+    ss.header_mappings_dir = '.'
     ss.requires_arc = true
-    ss.dependency "gRPC", "~> 0.12"
+    ss.dependency 'gRPC-ProtoRPC', '~> 0.14'
     ss.dependency "#{s.name}/Messages"
   end
 end
diff --git a/src/objective-c/examples/Sample/Podfile b/src/objective-c/examples/Sample/Podfile
index 93859fb..77e37e9 100644
--- a/src/objective-c/examples/Sample/Podfile
+++ b/src/objective-c/examples/Sample/Podfile
@@ -1,10 +1,20 @@
 source 'https://github.com/CocoaPods/Specs.git'
 platform :ios, '8.0'
 
-pod 'Protobuf', :path => "../../../../third_party/protobuf"
-pod 'BoringSSL', :podspec => "../.."
-pod 'gRPC', :path => "../../../.."
-pod 'RemoteTest', :path => "../RemoteTestClient"
+install! 'cocoapods', :deterministic_uuids => false
+
+# Location of gRPC's repo root relative to this file.
+GRPC_LOCAL_SRC = '../../../..'
 
 target 'Sample' do
+  pod 'Protobuf', :path => "#{GRPC_LOCAL_SRC}/third_party/protobuf"
+
+  pod 'BoringSSL', :podspec => "#{GRPC_LOCAL_SRC}/src/objective-c"
+
+  pod 'gRPC', :path => GRPC_LOCAL_SRC
+  pod 'gRPC-Core', :path => GRPC_LOCAL_SRC
+  pod 'gRPC-RxLibrary', :path => GRPC_LOCAL_SRC
+  pod 'gRPC-ProtoRPC',  :path => GRPC_LOCAL_SRC
+
+  pod 'RemoteTest', :path => "../RemoteTestClient"
 end
diff --git a/src/objective-c/examples/SwiftSample/Podfile b/src/objective-c/examples/SwiftSample/Podfile
index f2df4a3..2e789c3 100644
--- a/src/objective-c/examples/SwiftSample/Podfile
+++ b/src/objective-c/examples/SwiftSample/Podfile
@@ -1,10 +1,20 @@
 source 'https://github.com/CocoaPods/Specs.git'
 platform :ios, '8.0'
 
-pod 'Protobuf', :path => "../../../../third_party/protobuf"
-pod 'BoringSSL', :podspec => "../.."
-pod 'gRPC', :path => "../../../.."
-pod 'RemoteTest', :path => "../RemoteTestClient"
+install! 'cocoapods', :deterministic_uuids => false
+
+# Location of gRPC's repo root relative to this file.
+GRPC_LOCAL_SRC = '../../../..'
 
 target 'SwiftSample' do
+  pod 'Protobuf', :path => "#{GRPC_LOCAL_SRC}/third_party/protobuf"
+
+  pod 'BoringSSL', :podspec => "#{GRPC_LOCAL_SRC}/src/objective-c"
+
+  pod 'gRPC', :path => GRPC_LOCAL_SRC
+  pod 'gRPC-Core', :path => GRPC_LOCAL_SRC
+  pod 'gRPC-RxLibrary', :path => GRPC_LOCAL_SRC
+  pod 'gRPC-ProtoRPC',  :path => GRPC_LOCAL_SRC
+
+  pod 'RemoteTest', :path => "../RemoteTestClient"
 end
diff --git a/src/objective-c/tests/Podfile b/src/objective-c/tests/Podfile
index 6d5f94c..64b0009 100644
--- a/src/objective-c/tests/Podfile
+++ b/src/objective-c/tests/Podfile
@@ -3,36 +3,59 @@
 
 install! 'cocoapods', :deterministic_uuids => false
 
-def shared_pods
-  pod 'Protobuf', :path => "../../../third_party/protobuf", :inhibit_warnings => true
-  pod 'BoringSSL', :podspec => "..", :inhibit_warnings => true
-  pod 'CronetFramework', :podspec => ".."
-  pod 'gRPC', :path => "../../.."
-  pod 'RemoteTest', :path => "RemoteTestClient"
+# Location of gRPC's repo root relative to this file.
+GRPC_LOCAL_SRC = '../../..'
+
+# Install the dependencies in the main target plus all test targets.
+%w(
+  Tests
+  AllTests
+  RxLibraryUnitTests
+  InteropTestsRemote
+  InteropTestsLocalSSL
+  InteropTestsLocalCleartext
+).each do |target_name|
+  target target_name do
+    pod 'Protobuf', :path => "#{GRPC_LOCAL_SRC}/third_party/protobuf", :inhibit_warnings => true
+    pod 'BoringSSL', :podspec => "#{GRPC_LOCAL_SRC}/src/objective-c", :inhibit_warnings => true
+    pod 'CronetFramework', :podspec => "#{GRPC_LOCAL_SRC}/src/objective-c"
+    pod 'gRPC', :path => GRPC_LOCAL_SRC
+    pod 'gRPC-Core', :path => GRPC_LOCAL_SRC
+    pod 'gRPC-RxLibrary', :path => GRPC_LOCAL_SRC
+    pod 'gRPC-ProtoRPC',  :path => GRPC_LOCAL_SRC
+    pod 'RemoteTest', :path => "RemoteTestClient"
+  end
 end
 
-target 'Tests' do
-	shared_pods
-end
+# gRPC-Core.podspec needs to be modified to be successfully used for local development. A Podfile's
+# pre_install hook lets us do that. The block passed to it runs after the podspecs are downloaded
+# and before they are installed in the user project.
+#
+# This podspec searches for the gRPC core library headers under "$(PODS_ROOT)/gRPC-Core", where
+# Cocoapods normally places the downloaded sources. When doing local development of the libraries,
+# though, Cocoapods just takes the sources from whatever directory was specified using `:path`, and
+# doesn't copy them under $(PODS_ROOT). When using static libraries, one can sometimes rely on the
+# symbolic links to the pods headers that Cocoapods creates under "$(PODS_ROOT)/Headers". But those
+# aren't created when using dynamic frameworks. So our solution is to modify the podspec on the fly
+# to point at the local directory where the sources are.
+#
+# TODO(jcanizales): Send a PR to Cocoapods to get rid of this need.
+pre_install do |installer|
+  # This is the gRPC-Core podspec object, as initialized by its podspec file.
+  grpc_core_spec = installer.pod_targets.find{|t| t.name == 'gRPC-Core'}.root_spec
 
-target 'AllTests' do
-	shared_pods
-end
-
-target 'RxLibraryUnitTests' do
-	shared_pods
-end
-
-target 'InteropTestsRemote' do
-	shared_pods
-end
-
-target 'InteropTestsLocalSSL' do
-	shared_pods
-end
-
-target 'InteropTestsLocalCleartext' do
-	shared_pods
+  # Copied from gRPC-Core.podspec, except for the adjusted src_root:
+  src_root = "$(PODS_ROOT)/../#{GRPC_LOCAL_SRC}"
+  grpc_core_spec.pod_target_xcconfig = {
+    'GRPC_SRC_ROOT' => src_root,
+    'HEADER_SEARCH_PATHS' => '"$(inherited)" "$(GRPC_SRC_ROOT)/include"',
+    'USER_HEADER_SEARCH_PATHS' => '"$(GRPC_SRC_ROOT)"',
+    # If we don't set these two settings, `include/grpc/support/time.h` and
+    # `src/core/lib/support/string.h` shadow the system `<time.h>` and `<string.h>`, breaking the
+    # build.
+    'USE_HEADERMAP' => 'NO',
+    'ALWAYS_SEARCH_USER_PATHS' => 'NO',
+  }
 end
 
 post_install do |installer|
diff --git a/src/objective-c/tests/RemoteTestClient/RemoteTest.podspec b/src/objective-c/tests/RemoteTestClient/RemoteTest.podspec
index e1fd991..887380e 100644
--- a/src/objective-c/tests/RemoteTestClient/RemoteTest.podspec
+++ b/src/objective-c/tests/RemoteTestClient/RemoteTest.podspec
@@ -22,14 +22,18 @@
     ms.source_files = "*.pbobjc.{h,m}"
     ms.header_mappings_dir = "."
     ms.requires_arc = false
-    ms.dependency "Protobuf", "~> 3.0.0-alpha-4"
+    ms.dependency "Protobuf", "~> 3.0.0-beta-3.1"
+    # This is needed by all pods that depend on Protobuf:
+    ms.pod_target_xcconfig = {
+      'GCC_PREPROCESSOR_DEFINITIONS' => '$(inherited) GPB_USE_PROTOBUF_FRAMEWORK_IMPORTS=1',
+    }
   end
 
   s.subspec "Services" do |ss|
     ss.source_files = "*.pbrpc.{h,m}"
     ss.header_mappings_dir = "."
     ss.requires_arc = true
-    ss.dependency "gRPC", "~> 0.12"
+    ss.dependency "gRPC-ProtoRPC", "~> 0.14"
     ss.dependency "#{s.name}/Messages"
   end
 end
diff --git a/templates/gRPC-Core.podspec.template b/templates/gRPC-Core.podspec.template
new file mode 100644
index 0000000..aefe6e9
--- /dev/null
+++ b/templates/gRPC-Core.podspec.template
@@ -0,0 +1,157 @@
+%YAML 1.2
+--- |
+  # GRPC CocoaPods podspec
+  # This file has been automatically generated from a template file. Please make modifications to
+  # `templates/gRPC-Core.podspec.template` instead. This file can be regenerated from the template by
+  # running `tools/buildgen/generate_projects.sh`.
+
+  # Copyright 2015, Google Inc.
+  # All rights reserved.
+  #
+  # Redistribution and use in source and binary forms, with or without
+  # modification, are permitted provided that the following conditions are
+  # met:
+  #
+  #     * Redistributions of source code must retain the above copyright
+  # notice, this list of conditions and the following disclaimer.
+  #     * Redistributions in binary form must reproduce the above
+  # copyright notice, this list of conditions and the following disclaimer
+  # in the documentation and/or other materials provided with the
+  # distribution.
+  #     * Neither the name of Google Inc. nor the names of its
+  # contributors may be used to endorse or promote products derived from
+  # this software without specific prior written permission.
+  #
+  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+  <%!
+  def grpc_private_files(libs):
+    out = []
+    for lib in libs:
+      if lib.name in ("grpc", "gpr"):
+        out += lib.get('headers', [])
+        out += lib.get('src', [])
+    return out;
+
+  def grpc_public_headers(libs):
+    out = []
+    for lib in libs:
+      if lib.name in ("grpc", "gpr"):
+        out += lib.get('public_headers', [])
+    return out
+
+  def grpc_private_headers(libs):
+    out = []
+    for lib in libs:
+      if lib.name in ("grpc", "gpr"):
+        out += lib.get('headers', [])
+    return out
+
+  def ruby_multiline_list(files, indent):
+    return (',\n' + indent*' ').join('\'%s\'' % f for f in files)
+  %>
+  Pod::Spec.new do |s|
+    s.name     = 'gRPC-Core'
+    version = '0.14.0'
+    s.version  = version
+    s.summary  = 'Core cross-platform gRPC library, written in C'
+    s.homepage = 'http://www.grpc.io'
+    s.license  = 'New BSD'
+    s.authors  = { 'The gRPC contributors' => 'grpc-packages@google.com' }
+
+    s.source = {
+      :git => 'https://github.com/grpc/grpc.git',
+      :tag => "release-#{version.gsub(/\./, '_')}-objectivec-#{version}",
+      # TODO(jcanizales): Depend explicitly on the nanopb pod, and disable submodules.
+      :submodules => true,
+    }
+
+    s.ios.deployment_target = '7.1'
+    s.osx.deployment_target = '10.9'
+    s.requires_arc = false
+
+    name = 'grpc'
+
+    # When creating a dynamic framework, name it grpc.framework instead of gRPC-Core.framework.
+    # This lets users write their includes like `#include <grpc/grpc.h>` as opposed to `#include
+    # <gRPC-Core/grpc.h>`.
+    s.module_name = name
+
+    # When creating a dynamic framework, copy the headers under `include/grpc/` into the root of
+    # the `Headers/` directory of the framework (i.e., not under `Headers/include/grpc`).
+    #
+    # TODO(jcanizales): Debug why this doesn't work on macOS.
+    s.header_mappings_dir = 'include/grpc'
+
+    # The above has an undesired effect when creating a static library: It forces users to write
+    # includes like `#include <gRPC-Core/grpc.h>`. `s.header_dir` adds a path prefix to that, and
+    # because Cocoapods lets omit the pod name when including headers of static libraries, the
+    # following lets users write `#include <grpc/grpc.h>`.
+    s.header_dir = name
+
+    # The module map created automatically by Cocoapods doesn't work for C libraries like gRPC-Core.
+    s.module_map = 'include/grpc/module.modulemap'
+
+    # To compile the library, we need the user headers search path (quoted includes) to point to the
+    # root of the repo, and the system headers search path (angled includes) to point to `include/`.
+    # Cocoapods effectively clones the repo under `<Podfile dir>/Pods/gRPC-Core/`, and sets a build
+    # variable called `$(PODS_ROOT)` to `<Podfile dir>/Pods/`, so we use that.
+    #
+    # Relying on the file structure under $(PODS_ROOT) isn't officially supported in Cocoapods, as it
+    # is taken as an implementation detail. We've asked for an alternative, and have been told that
+    # what we're doing should keep working: https://github.com/CocoaPods/CocoaPods/issues/4386
+    #
+    # The `src_root` value of `$(PODS_ROOT)/gRPC-Core` assumes Cocoapods is installing this pod from
+    # its remote repo. For local development of this library, enabled by using `:path` in the Podfile,
+    # that assumption is wrong. In such case, the following settings need to be reset with the
+    # appropriate value of `src_root`. This can be accomplished in the `pre_install` hook of the
+    # Podfile; see `src/objective-c/tests/Podfile` for an example.
+    src_root = '$(PODS_ROOT)/gRPC-Core'
+    s.pod_target_xcconfig = {
+      'GRPC_SRC_ROOT' => src_root,
+      'HEADER_SEARCH_PATHS' => '"$(inherited)" "$(GRPC_SRC_ROOT)/include"',
+      'USER_HEADER_SEARCH_PATHS' => '"$(GRPC_SRC_ROOT)"',
+      # If we don't set these two settings, `include/grpc/support/time.h` and
+      # `src/core/lib/support/string.h` shadow the system `<time.h>` and `<string.h>`, breaking the
+      # build.
+      'USE_HEADERMAP' => 'NO',
+      'ALWAYS_SEARCH_USER_PATHS' => 'NO',
+    }
+
+    # Like many other C libraries, gRPC-Core has its public headers under `include/<libname>/` and its
+    # sources and private headers in other directories outside `include/`. Cocoapods' linter doesn't
+    # allow any header to be listed outside the `header_mappings_dir` (even though doing so works in
+    # practice). Because we need our `header_mappings_dir` to be `include/grpc/` for the reason
+    # mentioned above, we work around the linter limitation by dividing the pod into two subspecs, one
+    # for public headers and the other for implementation. Each gets its own `header_mappings_dir`,
+    # making the linter happy.
+    #
+    # The list of source files is generated by a template: `templates/gRPC-Core.podspec.template`. It
+    # can be regenerated from the template by running `tools/buildgen/generate_projects.sh`.
+    s.subspec 'Interface' do |ss|
+      ss.header_mappings_dir = 'include/grpc'
+
+      ss.source_files = ${ruby_multiline_list(grpc_public_headers(libs), 22)}
+    end
+    s.subspec 'Implementation' do |ss|
+      ss.header_mappings_dir = '.'
+      ss.libraries = 'z'
+      ss.dependency "#{s.name}/Interface", version
+      ss.dependency 'BoringSSL', '~> 4.0'
+
+      # To save you from scrolling, this is the last part of the podspec.
+      ss.source_files = ${ruby_multiline_list(grpc_private_files(libs), 22)}
+
+      ss.private_header_files = ${ruby_multiline_list(grpc_private_headers(libs), 30)}
+    end
+  end
diff --git a/templates/gRPC.podspec.template b/templates/gRPC.podspec.template
deleted file mode 100644
index 979cb1e..0000000
--- a/templates/gRPC.podspec.template
+++ /dev/null
@@ -1,130 +0,0 @@
-%YAML 1.2
---- |
-  # GRPC CocoaPods podspec
-  # This file has been automatically generated from a template file.
-  # Please look at the templates directory instead.
-  # This file can be regenerated from the template by running
-  # tools/buildgen/generate_projects.sh
-
-  # Copyright 2015, Google Inc.
-  # All rights reserved.
-  #
-  # Redistribution and use in source and binary forms, with or without
-  # modification, are permitted provided that the following conditions are
-  # met:
-  #
-  #     * Redistributions of source code must retain the above copyright
-  # notice, this list of conditions and the following disclaimer.
-  #     * Redistributions in binary form must reproduce the above
-  # copyright notice, this list of conditions and the following disclaimer
-  # in the documentation and/or other materials provided with the
-  # distribution.
-  #     * Neither the name of Google Inc. nor the names of its
-  # contributors may be used to endorse or promote products derived from
-  # this software without specific prior written permission.
-  #
-  # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-  # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-  # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-  # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-  # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-  # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-  # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-  # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-  # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-  # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-  # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-  <%!
-  def grpc_files(libs):
-    out = []
-    for lib in libs:
-      if lib.name in ("grpc", "gpr"):
-        out += lib.get('headers', [])
-        out += lib.get('public_headers', [])
-        out += lib.get('src', [])
-    return out;
-  
-  def grpc_private_headers(libs):
-    out = []
-    for lib in libs:
-      if lib.name in ("grpc", "gpr"):
-        out += lib.get('headers', [])
-    return out
-  %>
-  Pod::Spec.new do |s|
-    s.name     = 'gRPC'
-    version = '0.14.0'
-    s.version  = version
-    s.summary  = 'gRPC client library for iOS/OSX'
-    s.homepage = 'http://www.grpc.io'
-    s.license  = 'New BSD'
-    s.authors  = { 'The gRPC contributors' => 'grpc-packages@google.com' }
-
-    s.source = { :git => 'https://github.com/grpc/grpc.git',
-                 :tag => "release-#{version.gsub(/\./, '_')}-objectivec-#{version}",
-                 :submodules => true }
-
-  
-    s.ios.deployment_target = '7.1'
-    s.osx.deployment_target = '10.9'
-    s.requires_arc = true
-  
-    objc_dir = 'src/objective-c'
-
-    # Reactive Extensions library for iOS.
-    s.subspec 'RxLibrary' do |ss|
-      src_dir = "#{objc_dir}/RxLibrary"
-      ss.source_files = "#{src_dir}/*.{h,m}", "#{src_dir}/**/*.{h,m}"
-      ss.private_header_files = "#{src_dir}/private/*.h"
-      ss.header_mappings_dir = "#{objc_dir}"
-    end
-
-    # Core cross-platform gRPC library, written in C.
-    s.subspec 'C-Core' do |ss|
-      ss.source_files = ${(',\n' + 22*' ').join('\'%s\'' % f for f in grpc_files(libs))}
-
-      ss.private_header_files = ${(',\n' + 30*' ').join('\'%s\'' % f for f in grpc_private_headers(libs))}
-
-      ss.header_mappings_dir = '.'
-      # This isn't officially supported in Cocoapods. We've asked for an alternative:
-      # https://github.com/CocoaPods/CocoaPods/issues/4386
-      ss.xcconfig = {
-        'USE_HEADERMAP' => 'NO',
-        'ALWAYS_SEARCH_USER_PATHS' => 'NO',
-        'USER_HEADER_SEARCH_PATHS' => '"$(PODS_ROOT)/Headers/Private/gRPC"',
-        'HEADER_SEARCH_PATHS' => '"$(PODS_ROOT)/Headers/Private/gRPC/include"'
-      }
-
-      ss.requires_arc = false
-      ss.libraries = 'z'
-      ss.dependency 'BoringSSL', '~> 3.0'
-
-      # ss.compiler_flags = '-GCC_WARN_INHIBIT_ALL_WARNINGS', '-w'
-    end
-
-    # Objective-C wrapper around the core gRPC library.
-    s.subspec 'GRPCClient' do |ss|
-      src_dir = "#{objc_dir}/GRPCClient"
-      ss.source_files = "#{src_dir}/*.{h,m}", "#{src_dir}/**/*.{h,m}"
-      ss.private_header_files = "#{src_dir}/private/*.h"
-      ss.header_mappings_dir = "#{objc_dir}"
-
-      ss.dependency 'gRPC/C-Core'
-      ss.dependency 'gRPC/RxLibrary'
-
-      # Certificates, to be able to establish TLS connections:
-      ss.resource_bundles = { 'gRPCCertificates' => ['etc/roots.pem'] }
-    end
-
-    # RPC library for ProtocolBuffers, based on gRPC
-    s.subspec 'ProtoRPC' do |ss|
-      src_dir = "#{objc_dir}/ProtoRPC"
-      ss.source_files = "#{src_dir}/*.{h,m}"
-      ss.header_mappings_dir = "#{objc_dir}"
-
-      ss.dependency 'gRPC/GRPCClient'
-      ss.dependency 'gRPC/RxLibrary'
-      ss.dependency 'Protobuf', '~> 3.0.0-alpha-4'
-    end
-  end