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support generation of interface files before calling rosidl_generate_interface

ros2

asked 2020-09-10 14:55:09 -0500

CharlesOnera
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Hi, I want to generate some .action files using a custom command in my cmake file, and then generate the ROS2 interfaces from these .action files. I have defined a custom_command / custom_target for the generation, that works, but I could not find a way to force the call of this command before running the rosidl_generate_interfaces macro ; however, this macro first checks for file existence, and then fails... Any hint? Thanks, Charles

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answered 2020-09-10 17:15:51 -0500

Dirk Thomas
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The implementation of rosidl_generate_interfaces() expects all passed files to exist at configuration time. So you need to make sure that the files you want to generate are generated at configure time rather than as part of a target at build time.

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Thanks. I replaced the add_custom_command with execute_process in the cmake file and it works!

CharlesOnera ( 2020-09-11 01:12:25 -0500 )edit

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Asked: 2020-09-10 14:55:09 -0500

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Last updated: Sep 11 '20

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support generation of interface files before calling rosidl_generate_interface