Make gcc 4.8 happy and disable protected because of lambdas

include/engine/api/base_api.hpp

@@ -45,7 +45,8 @@ class BaseAPI
         return waypoints;
     }
 
-  protected:
+    // FIXME gcc 4.8 doesn't support for lambdas to call protected member functions
+    //  protected:
     util::json::Object MakeWaypoint(const PhantomNode &phantom) const
     {
         return json::makeWaypoint(phantom.location, facade.GetNameForID(phantom.name_id),

include/engine/api/match_api.hpp

@@ -48,7 +48,9 @@ class MatchAPI final : public RouteAPI
         response.values["code"] = "ok";
     }
 
-  protected:
+    // FIXME gcc 4.8 doesn't support for lambdas to call protected member functions
+    //  protected:
+
     // FIXME this logic is a little backwards. We should change the output format of the
     // map_matching
     // routing algorithm to be easier to consume here.

include/engine/api/route_api.hpp

@@ -57,7 +57,8 @@ class RouteAPI : public BaseAPI
         response.values["code"] = "ok";
     }
 
-  protected:
+    // FIXME gcc 4.8 doesn't support for lambdas to call protected member functions
+    //  protected:
     template <typename ForwardIter>
     util::json::Value MakeGeometry(ForwardIter begin, ForwardIter end) const
     {

include/engine/api/table_api.hpp

@@ -68,7 +68,8 @@ class TableAPI final : public BaseAPI
         response.values["code"] = "ok";
     }
 
-  protected:
+    // FIXME gcc 4.8 doesn't support for lambdas to call protected member functions
+    //  protected:
     virtual util::json::Array MakeWaypoints(const std::vector<PhantomNode> &phantoms) const
     {
         util::json::Array json_waypoints;

include/engine/api/trip_api.hpp

@@ -47,7 +47,9 @@ class TripAPI final : public RouteAPI
         response.values["code"] = "ok";
     }
 
-  protected:
+    // FIXME gcc 4.8 doesn't support for lambdas to call protected member functions
+    //  protected:
+
     // FIXME this logic is a little backwards. We should change the output format of the
     // trip plugin routing algorithm to be easier to consume here.
     util::json::Array MakeWaypoints(const std::vector<std::vector<NodeID>> &sub_trips,