Podspecs for Protoc and the gRPC plugin

The examples under <repo_root>/examples now rely on the released
versions. Those under src/objective-c/examples, as well as the tests,
rely on protoc and the plugin as compiled from head.

1 files changed, 23 insertions, 3 deletions

diff --git a/examples/objective-c/route_guide/RouteGuide.podspec b/examples/objective-c/route_guide/RouteGuide.podspec
index 97a61ff51a..f7bb55fe9a 100644
--- a/examples/objective-c/route_guide/RouteGuide.podspec
+++ b/examples/objective-c/route_guide/RouteGuide.podspec
@@ -17,23 +17,43 @@ Pod::Spec.new do |s|
   dir = "Pods/" + s.name
 
   # Run protoc with the Objective-C and gRPC plugins to generate protocol messages and gRPC clients.
+  s.dependency "!ProtoCompiler-gRPCPlugin", "~> 0.14"
+
+  repo_root = '../../..'
+  pods_root = "#{repo_root}/examples/objective-c/route_guide/Pods"
+
+  protoc_dir = "#{pods_root}/!ProtoCompiler"
+  protoc = "#{protoc_dir}/protoc"
+
+  plugin = "#{pods_root}/!ProtoCompiler-gRPCPlugin/grpc_objective_c_plugin"
+
   s.prepare_command = <<-CMD
     mkdir -p #{dir}
-    protoc -I #{src} --objc_out=#{dir} --objcgrpc_out=#{dir} #{src}/route_guide.proto
+    #{protoc} \
+        --plugin=protoc-gen-grpc=#{plugin} \
+        --objc_out=#{dir} \
+        --grpc_out=#{dir} \
+        -I #{src} \
+        -I #{protoc_dir} \
+        #{src}/route_guide.proto
   CMD
 
   s.subspec "Messages" do |ms|
     ms.source_files = "#{dir}/*.pbobjc.{h,m}", "#{dir}/**/*.pbobjc.{h,m}"
     ms.header_mappings_dir = dir
     ms.requires_arc = false
-    ms.dependency "Protobuf", "~> 3.0.0-alpha-4"
+    ms.dependency "Protobuf"
+    # 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 = "#{dir}/*.pbrpc.{h,m}", "#{dir}/**/*.pbrpc.{h,m}"
     ss.header_mappings_dir = dir
     ss.requires_arc = true
-    ss.dependency "gRPC", "~> 0.12"
+    ss.dependency "gRPC-ProtoRPC"
     ss.dependency "#{s.name}/Messages"
   end
 end