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what is difference between message_generation and genmsg?
[CreatingMsgAndSrv tutorial] find_package(catkin REQUIRED COMPONENTS roscpp rospy std_msgs message_generation)
[WritingPublisherSubscriber tutorial] find_package(catkin REQUIRED COMPONENTS roscpp rospy std_msgs genmsg)
genmsg contains only the abstract message generation functionality.
message_generation depends on genmsg and the specific generators for languages ROS supports out-of-the-box: gencpp, genlisp and genpy. It is similiar to the former langs / langs-dev packages.
As a message package you always want to depend on message_generation.
Update: I have filled https://github.com/ros/catkin_tutorials/issues/8 to make sure the outdated tutorial gets updated.
It is not updated in the tutorial yet. [WritingPublisherSubscriber tutorial] still has genmsg instead of message_generation.
Furthermore in [CreatingMsgAndSrv tutorial] in the point 4, there is an error.
# In your catkin workspace
$ cd ../.. <=== SHOULD BE REMOVED.
$ catkin_make
Asked: 2013-06-14 23:42:16 -0600
Seen: 3,058 times
Last updated: Jun 15 '13
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