Require min Cocoapods version to be v1.2.0

gRPC-Core.podspec

@@ -34,6 +34,10 @@ Pod::Spec.new do |s|
     :tag => "v#{version}",
   }
 
+  # gRPC podspecs depend on fix for https://github.com/CocoaPods/CocoaPods/issues/6024,
+  # which was released in Cocoapods v1.2.0.
+  s.cocoapods_version = '>= 1.2.0'
+
   s.ios.deployment_target = '7.0'
   s.osx.deployment_target = '10.9'
   s.requires_arc = false

gRPC-ProtoRPC.podspec

@@ -28,6 +28,10 @@ Pod::Spec.new do |s|
   s.license  = 'Apache License, Version 2.0'
   s.authors  = { 'The gRPC contributors' => 'grpc-packages@google.com' }
 
+  # gRPC podspecs depend on fix for https://github.com/CocoaPods/CocoaPods/issues/6024,
+  # which was released in Cocoapods v1.2.0.
+  s.cocoapods_version = '>= 1.2.0'
+
   s.source = {
     :git => 'https://github.com/grpc/grpc.git',
     :tag => "v#{version}",

gRPC-RxLibrary.podspec

@@ -28,6 +28,10 @@ Pod::Spec.new do |s|
   s.license  = 'Apache License, Version 2.0'
   s.authors  = { 'The gRPC contributors' => 'grpc-packages@google.com' }
 
+  # gRPC podspecs depend on fix for https://github.com/CocoaPods/CocoaPods/issues/6024,
+  # which was released in Cocoapods v1.2.0.
+  s.cocoapods_version = '>= 1.2.0'
+
   s.source = {
     :git => 'https://github.com/grpc/grpc.git',
     :tag => "v#{version}",

gRPC.podspec

@@ -27,6 +27,10 @@ Pod::Spec.new do |s|
   s.license  = 'Apache License, Version 2.0'
   s.authors  = { 'The gRPC contributors' => 'grpc-packages@google.com' }
 
+  # gRPC podspecs depend on fix for https://github.com/CocoaPods/CocoaPods/issues/6024,
+  # which was released in Cocoapods v1.2.0.
+  s.cocoapods_version = '>= 1.2.0'
+
   s.source = {
     :git => 'https://github.com/grpc/grpc.git',
     :tag => "v#{version}",

src/objective-c/!ProtoCompiler-gRPCPlugin.podspec

@@ -95,6 +95,10 @@ Pod::Spec.new do |s|
     # :sha1 => '??',
   }
 
+  # gRPC podspecs depend on fix for https://github.com/CocoaPods/CocoaPods/issues/6024,
+  # which was released in Cocoapods v1.2.0.
+  s.cocoapods_version = '>= 1.2.0'
+
   repo_root = '../..'
   plugin = 'grpc_objective_c_plugin'
 

templates/gRPC-Core.podspec.template

@@ -61,6 +61,10 @@
       :tag => "v#{version}",
     }
 
+    # gRPC podspecs depend on fix for https://github.com/CocoaPods/CocoaPods/issues/6024,
+    # which was released in Cocoapods v1.2.0.
+    s.cocoapods_version = '>= 1.2.0'
+
     s.ios.deployment_target = '7.0'
     s.osx.deployment_target = '10.9'
     s.requires_arc = false

templates/gRPC-ProtoRPC.podspec.template

@@ -30,6 +30,10 @@
     s.license  = 'Apache License, Version 2.0'
     s.authors  = { 'The gRPC contributors' => 'grpc-packages@google.com' }
 
+    # gRPC podspecs depend on fix for https://github.com/CocoaPods/CocoaPods/issues/6024,
+    # which was released in Cocoapods v1.2.0.
+    s.cocoapods_version = '>= 1.2.0'
+
     s.source = {
       :git => 'https://github.com/grpc/grpc.git',
       :tag => "v#{version}",

templates/gRPC-RxLibrary.podspec.template

@@ -30,6 +30,10 @@
     s.license  = 'Apache License, Version 2.0'
     s.authors  = { 'The gRPC contributors' => 'grpc-packages@google.com' }
 
+    # gRPC podspecs depend on fix for https://github.com/CocoaPods/CocoaPods/issues/6024,
+    # which was released in Cocoapods v1.2.0.
+    s.cocoapods_version = '>= 1.2.0'
+
     s.source = {
       :git => 'https://github.com/grpc/grpc.git',
       :tag => "v#{version}",

templates/gRPC.podspec.template

@@ -29,6 +29,10 @@
     s.license  = 'Apache License, Version 2.0'
     s.authors  = { 'The gRPC contributors' => 'grpc-packages@google.com' }
 
+    # gRPC podspecs depend on fix for https://github.com/CocoaPods/CocoaPods/issues/6024,
+    # which was released in Cocoapods v1.2.0.
+    s.cocoapods_version = '>= 1.2.0'
+
     s.source = {
       :git => 'https://github.com/grpc/grpc.git',
       :tag => "v#{version}",

templates/src/objective-c/!ProtoCompiler-gRPCPlugin.podspec.template

@@ -97,6 +97,10 @@
       # :sha1 => '??',
     }
 
+    # gRPC podspecs depend on fix for https://github.com/CocoaPods/CocoaPods/issues/6024,
+    # which was released in Cocoapods v1.2.0.
+    s.cocoapods_version = '>= 1.2.0'
+
     repo_root = '../..'
     plugin = 'grpc_objective_c_plugin'