From 0f213c399c5e4025146cbd6fb2a63925f37e8b82 Mon Sep 17 00:00:00 2001
From: Jorge Canizales <jcanizales@google.com>
Date: Fri, 1 Jul 2016 11:54:35 -0700
Subject: Fix examples to work with local gRPC-Core

---
 examples/objective-c/auth_sample/Podfile | 20 ++++++++++++++++++++
 examples/objective-c/helloworld/Podfile  | 20 ++++++++++++++++++++
 examples/objective-c/route_guide/Podfile | 20 ++++++++++++++++++++
 3 files changed, 60 insertions(+)

(limited to 'examples/objective-c')

diff --git a/examples/objective-c/auth_sample/Podfile b/examples/objective-c/auth_sample/Podfile
index 5020df9d75..32157a9dce 100644
--- a/examples/objective-c/auth_sample/Podfile
+++ b/examples/objective-c/auth_sample/Podfile
@@ -24,3 +24,23 @@ target 'AuthSample' do
   pod 'gRPC-RxLibrary', :path => GRPC_LOCAL_SRC
   pod 'gRPC-ProtoRPC',  :path => GRPC_LOCAL_SRC
 end
+
+# This pre_install hook is only needed to use the local version of gRPC-Core. You don't need it in
+# your application.
+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
+
+  # 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
diff --git a/examples/objective-c/helloworld/Podfile b/examples/objective-c/helloworld/Podfile
index a9f309bd15..e1bb4ddfd5 100644
--- a/examples/objective-c/helloworld/Podfile
+++ b/examples/objective-c/helloworld/Podfile
@@ -21,3 +21,23 @@ target 'HelloWorld' do
   pod 'gRPC-RxLibrary', :path => GRPC_LOCAL_SRC
   pod 'gRPC-ProtoRPC',  :path => GRPC_LOCAL_SRC
 end
+
+# This pre_install hook is only needed to use the local version of gRPC-Core. You don't need it in
+# your application.
+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
+
+  # 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
diff --git a/examples/objective-c/route_guide/Podfile b/examples/objective-c/route_guide/Podfile
index 645309052e..943f5464d8 100644
--- a/examples/objective-c/route_guide/Podfile
+++ b/examples/objective-c/route_guide/Podfile
@@ -21,3 +21,23 @@ target 'RouteGuideClient' do
   pod 'gRPC-RxLibrary', :path => GRPC_LOCAL_SRC
   pod 'gRPC-ProtoRPC',  :path => GRPC_LOCAL_SRC
 end
+
+# This pre_install hook is only needed to use the local version of gRPC-Core. You don't need it in
+# your application.
+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
+
+  # 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
-- 
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