ros-noetic-gazebo-ros-control.osx.patch

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 58304f3..c8c5f20 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -32,6 +32,8 @@ catkin_package(
   LIBRARIES ${PROJECT_NAME} default_robot_hw_sim
 )
 
+add_definitions(-D_LIBCPP_DISABLE_AVAILABILITY)
+
 link_directories(
   ${catkin_LIBRARY_DIRS}
 )