Galactic build error

[DaniGarciaLopez]

When building in galactic it throws several errors, any idea how to fix them?

/home/dani/support_ws/src/ros2_leg_detector/src/leg_detector/src/local_occupancy_grid_mapping.cpp:106:49: error: ‘Buffer’ is not a member of ‘tf2_ros’
  106 |             buffer_ = std::make_shared<tf2_ros::Buffer>(this->get_clock());
             ^~
/home/dani/support_ws/src/ros2_leg_detector/src/leg_detector/src/laser_processor.cpp:95:30:   required from here
/usr/include/c++/9/bits/stl_tree.h:780:8: error: static assertion failed: comparison object must be invocable as const
  780 |        is_invocable_v<const _Compare&, const _Key&, const _Key&>,
      |        ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

Thanks!

[ShelyH]

Hi, have you solved the problem?

[DaniGarciaLopez]

Hi @ShelyH. No, I couldn't find time to look for a cause, and I stopped using the repo, so I guess the error is still there.

[ShelyH]

es, this problem still exists when galactic is used, but by looking at the error message, I think the problem is at
https://github.com/mowito/ros2_leg_detector/blob/b4be35a2f540c0e72cb8718e99fd9a23dc31f501/src/leg_detector/src/detect_leg_clusters.cpp#L341C25-L341C25

I modified this line of code to:
bool operator()(const leg_detector_msgs::msg::Leg &a, const leg_detector_msgs::msg::Leg &b) const