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genmsg: generating code from ros .msg formatΒΆ

Project genmsg exists in order to decouple code generation from .msg & .srv format files from the parsing of these files and from impementation details of the build system (project directory layout, existence or nonexistence of utilities like rospack, values of environment variables such as ROS_PACKAGE_PATH): i.e. none of these are required to be set in any particular way.

Code generators may not use any information other than what is provided on the commandline.