2 files changed, 56 insertions, 29 deletions

diff --git a/src/objective-c/tests/Podfile b/src/objective-c/tests/Podfile
index 6d5f94cbda..30a34260d4 100644
--- a/src/objective-c/tests/Podfile
+++ b/src/objective-c/tests/Podfile
@@ -3,36 +3,59 @@ platform :ios, '8.0'
 
 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"
-end
-
-target 'Tests' do
-	shared_pods
-end
-
-target 'AllTests' do
-	shared_pods
-end
+# Location of gRPC's repo root relative to this file.
+GRPC_LOCAL_SRC = '../../..'
 
-target 'RxLibraryUnitTests' do
-	shared_pods
-end
-
-target 'InteropTestsRemote' do
-	shared_pods
+# 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 'InteropTestsLocalSSL' 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 '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|
@@ -40,7 +63,7 @@ post_install do |installer|
     target.build_configurations.each do |config|
       config.build_settings['GCC_TREAT_WARNINGS_AS_ERRORS'] = 'YES'
     end
-    if target.name == 'gRPC'
+    if target.name == 'gRPC-Core'
       target.build_configurations.each do |config|
         # TODO(zyc) Remove this setting after the issue is resolved
         # GPR_UNREACHABLE_CODE causes "Control may reach end of non-void
diff --git a/src/objective-c/tests/RemoteTestClient/RemoteTest.podspec b/src/objective-c/tests/RemoteTestClient/RemoteTest.podspec
index e1fd991038..887380eb55 100644
--- a/src/objective-c/tests/RemoteTestClient/RemoteTest.podspec
+++ b/src/objective-c/tests/RemoteTestClient/RemoteTest.podspec
@@ -22,14 +22,18 @@ Pod::Spec.new do |s|
     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