Link against a library via a remote connection(ROS net)

asked 2014-12-23 23:20:02 -0600

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I have already learn how to link against a package with your help. Now, I need to link against a package via ROS Network. To be clear, I have to PCs, A and B. In A (as a master) I create a catkin package including my main node and in B (as a host)I have a repository/Lib. I need to link against the repository located in B from catkin package in A via ROS network. Now I wonder if it is possible or not? if it is, what kind of changes must be applied to CMakeLists.txt and package.xml? Is adding the repository to find_package and catkin_package still applicable?

I appreciate it if you help me out.

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answered 2014-12-23 23:23:41 -0600

ahendrix

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This cannot be done.

Instead, you should put the source code for your library package in source control, and have it checked out on both machines. That way, any packages which use it can link against the copy which is on the local machine.

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Thanks. But I don't understand your first sentence. Would you please expand on it?

A.M Dynamics ( 2014-12-24 11:03:21 -0600 )edit

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answered 2014-12-24 11:10:39 -0600

A.M Dynamics

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I put the target library in Master (computer A) and linked against it from my catkin package in also A. In B, I didn't do any special thing. I only connected it to Master (A) via ROS net. But when I run rosrun command to run the main node of catkin package in computer A I receive this error:

Info: Initializing EtherCAT on eth0 with communication thread Warning: No EtherCAT slaves found! Info: Done.

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Your error about not finding ethercat slaves isn't related to linking; you should ask a new question about it.

ahendrix ( 2014-12-25 19:11:20 -0600 )edit

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Link against a library via a remote connection(ROS net)

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