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Convert to be a ROS-agnostic pure-CMake package #12
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            schornakj
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    | Clearly I'll need to make some changes to help CI succeed. | 
| Can I merge #11 before you complete this? | 
| 
 I think that makes sense. There's certainly some overlap between the two PRs. | 
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  This was referenced May 12, 2021 
      
  
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I've been using this package for a variety of ROS 2 projects. It ended up being fairly straightforward to convert the package to be a non-ROS pure-CMake package, which lets us use the package in both ROS and ROS 2 projects. I also modified it to follow "modern" CMake conventions, such as exporting a
gl_depth_sim::gl_depth_simtarget that downstream projects can conveniently link against.The main thing that breaks is the
camera_ros_example.cppdemo, since it fundamentally requires a ROS node. If we want to keep that demo we could create optional sub-packages that are conditionally built depending on the detected ROS version, like theros_scxmlproject does for its demos.