urdf::Model , boost::shared_ptr<urdf::Link>, boost::shared_ptr<urdf::Joint>

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Noetic 20.04

Wanting to use the baxter_sim_kinematics package from https://github.com/RethinkRobotics/baxter_simulator

Getting multiple errors on operator assignments and similar stating "no known conversion". One shown below for illustration:

[ 25%] Building CXX object /baxter_simulator/baxter_sim_kinematics/CMakeFiles/baxter_sim_kinematics.dir/src/arm_kinematics.cpp.o

.../baxter_sim_kinematics/src/arm_kinematics.cpp: In member function ‘bool arm_kinematics::Kinematics::readJoints(urdf::Model&)’:

.../baxter_sim_kinematics/src/arm_kinematics.cpp:267:65: error: conversion from ‘urdf::LinkConstSharedPtr’ {aka ‘std::shared_ptr<const urdf::Link>’} to non-scalar type ‘boost::shared_ptr<const urdf::Link>’ requested
  267 |   boost::shared_ptr<const urdf::Link> link = robot_model.getLink(tip_name);
      |                                              ~~~~~~~~~~~~~~~~~~~^~~~~~~~~~

I see that this can be fixed if I replace boost:: type pointers by std::. Is this safe?