It sets missing CATKIN_PACKAGE_BIN_DESTINATION to bin/class_loader.
Please note that this is a bit different from catkin as it sets it to lib/class_loader.
Thanks @ahoarau for pointing it out.
It looks like the fix didnt get fowrard ported to melodic: Can you check if https://github.com/ros/class_loader/pull/97 solves your issue ?
It sets missing
CATKIN_PACKAGE_BIN_DESTINATION
tobin/class_loader
. Please note that this is a bit different from catkin as it sets it tolib/class_loader
.