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e.g.
<build_depend> industrial_robot_client </build_depend> <build_depend> simple_message </build_depend> <run_depend> industrial_robot_client</run_depend>
why is "simple_message" used to build this package and there not simple_message in the <run_depend> tag?
I don't know the specific package, but given the maintainer has set things correctly:
Simple answer: Because it's not required to run the package, only for building. Common examples are things like libXXX-dev vs. libXXX for build/run depends.
thanks , I find I don't understand the difference between "run" and "build" .
Asked: 2015-09-01 05:36:38 -0500
Seen: 167 times
Last updated: Sep 01 '15
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Can you please add which package this is? It is possible for things to be
build_dependonly, but that is only in certain cases.One other possibility is that the author relied on
industrial_robot_clienttransitively providing thesimple_messagerun dependency.this is abb_driver package. industrial_robot_client and simple_message are part of ROS-Industrial
Hm. Could be that I forgot to add
simple_messageas arun_depends. But as I wrote:industrial_robot_clientwill transitively pull in thesimple_messagedependency. Whether that is a nice thing to do is something else.what is the difference between "run" and "build" in ROS.
Briefly: run dependencies are needed to be able to run a specific program, while build dependencies are needed to be able to build it (compiling is one step in building a program).
See also REP-127 - build_depend.