Setting C++ lang dialect for objc cocoapod specs (#31071)

gRPC-C++.podspec

@@ -64,6 +64,7 @@ Pod::Spec.new do |s|
     # build.
     'USE_HEADERMAP' => 'NO',
     'ALWAYS_SEARCH_USER_PATHS' => 'NO',
+    'CLANG_CXX_LANGUAGE_STANDARD' => 'c++14',
   }
 
   s.libraries = 'c++'

gRPC-Core.podspec

@@ -84,6 +84,7 @@ Pod::Spec.new do |s|
     'ALWAYS_SEARCH_USER_PATHS' => 'NO',
     'GCC_PREPROCESSOR_DEFINITIONS' => '"$(inherited)" "COCOAPODS=1"',
     'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
+    'CLANG_CXX_LANGUAGE_STANDARD' => 'c++14',
   }
 
   s.default_subspecs = 'Interface', 'Implementation'

gRPC-ProtoRPC.podspec

@@ -84,5 +84,6 @@ Pod::Spec.new do |s|
     # This is needed by all pods that depend on gRPC-RxLibrary:
     'CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES' => 'YES',
     'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
+    'CLANG_CXX_LANGUAGE_STANDARD' => 'c++14',
   }
 end

gRPC-RxLibrary.podspec

@@ -66,5 +66,6 @@ Pod::Spec.new do |s|
 
   s.pod_target_xcconfig = {
     'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
+    'CLANG_CXX_LANGUAGE_STANDARD' => 'c++14',
   }
 end

gRPC.podspec

@@ -42,6 +42,7 @@ Pod::Spec.new do |s|
     # This is needed by all pods that depend on gRPC-RxLibrary:
     'CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES' => 'YES',
     'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
+    'CLANG_CXX_LANGUAGE_STANDARD' => 'c++14',
   }
 
   s.ios.deployment_target = '9.0'

templates/gRPC-C++.podspec.template

@@ -146,6 +146,7 @@
       # build.
       'USE_HEADERMAP' => 'NO',
       'ALWAYS_SEARCH_USER_PATHS' => 'NO',
+      'CLANG_CXX_LANGUAGE_STANDARD' => 'c++14',
     }
 
     s.libraries = 'c++'

templates/gRPC-Core.podspec.template

@@ -170,6 +170,7 @@
       'ALWAYS_SEARCH_USER_PATHS' => 'NO',
       'GCC_PREPROCESSOR_DEFINITIONS' => '"$(inherited)" "COCOAPODS=1"',
       'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
+      'CLANG_CXX_LANGUAGE_STANDARD' => 'c++14',
     }
 
     s.default_subspecs = 'Interface', 'Implementation'

templates/gRPC-ProtoRPC.podspec.template

@@ -86,5 +86,6 @@
       # This is needed by all pods that depend on gRPC-RxLibrary:
       'CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES' => 'YES',
       'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
+      'CLANG_CXX_LANGUAGE_STANDARD' => 'c++14',
     }
   end

templates/gRPC-RxLibrary.podspec.template

@@ -68,5 +68,6 @@
 
     s.pod_target_xcconfig = {
       'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
+      'CLANG_CXX_LANGUAGE_STANDARD' => 'c++14',
     }
   end

templates/gRPC.podspec.template

@@ -44,6 +44,7 @@
       # This is needed by all pods that depend on gRPC-RxLibrary:
       'CLANG_ALLOW_NON_MODULAR_INCLUDES_IN_FRAMEWORK_MODULES' => 'YES',
       'CLANG_WARN_STRICT_PROTOTYPES' => 'NO',
+      'CLANG_CXX_LANGUAGE_STANDARD' => 'c++14',
     }
 
     s.ios.deployment_target = '9.0'