Compile rtc_base_objc and rtc_api_objc for Mac

webrtc/base/logging.cc

Index: webrtc/base/logging.cc
diff --git a/webrtc/base/logging.cc b/webrtc/base/logging.cc
index 019a31623be1333f48383362ed9fe74c21619fb9..68e0c6a589df8ddde5e9fc49e90d0b4f9493d968 100644
--- a/webrtc/base/logging.cc
+++ b/webrtc/base/logging.cc
@@ -171,10 +171,14 @@ LogMessage::LogMessage(const char* file,
 #endif  // WEBRTC_WIN
 #if defined(WEBRTC_MAC) && !defined(WEBRTC_IOS)
       case ERRCTX_OSSTATUS: {
+// TODO(hjon): Update deprecated APIs (see webrtc:5478 for details).
+#pragma clang diagnostic push
+#pragma clang diagnostic ignored "-Wdeprecated"
         tmp << " " << nonnull(GetMacOSStatusErrorString(err), "Unknown error");
         if (const char* desc = GetMacOSStatusCommentString(err)) {
           tmp << ": " << desc;
         }
+#pragma clang diagnostic pop
         break;
       }
 #endif  // WEBRTC_MAC && !defined(WEBRTC_IOS)