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+%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