Link urcl to rt on non-Apple Unix#540
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This upstreams RoboStack downstream patch `patch/ros-rolling-ur-client-library.osx.patch`. Best-guess rationale: Linux builds may need librt for realtime-related symbols, while macOS does not provide a separate rt library; gating the link on non-Apple Unix keeps both platforms working. Signed-off-by: Tobias Fischer <info@tobiasfischer.info>
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FYI @wep21 and @traversaro, this upstream PR comes from the RoboStack patch upstreaming tracker: RoboStack/robostack.github.io#16. Origin patch: RoboStack |
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This PR is part of an effort to contribute RoboStack downstream patches back upstream.
Origin: RoboStack
patch/ros-rolling-ur-client-library.osx.patch, authored by Daisuke Nishimatsu.Best-guess rationale: Linux builds may need librt for realtime-related symbols, while macOS does not provide a separate rt library; gating the link on non-Apple Unix keeps both platforms working.
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Low Risk
Single conditional CMake link line for platform-specific library resolution; no runtime logic or security-sensitive changes.
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urclagainstlibrton Linux and other non-Apple Unix targets so builds resolve realtime-related symbols (e.g. fromclock_gettimein queue synchronization code) that may live in librt on some Linux setups.The link is gated with
UNIX AND NOT APPLEso macOS builds are unchanged, since macOS does not ship a separatertlibrary.Reviewed by Cursor Bugbot for commit 09c4113. Bugbot is set up for automated code reviews on this repo. Configure here.