Attention: Answers.ros.org is deprecated as of August the 11th, 2023. Please visit robotics.stackexchange.com to ask a new question. This site will remain online in read-only mode during the transition and into the foreseeable future. Selected questions and answers have been migrated, and redirects have been put in place to direct users to the corresponding questions on Robotics Stack Exchange. Additional details are available here.

dyld: Library not loaded: QtWidgets

asked 2021-07-09 21:14:38 -0500

Anonymous

I ran run demo_nodes_cpp talker successfully but now I have troubles with this. I searched where QtWidgets is and it is at /usr/local/opt/qt/lib/QtWidgets.framework/Versions/A/QtWidgets

username@Ts-Mac ~ % ros2 run turtlesim turtlesim_node
dyld: Library not loaded: /usr/local/opt/qt/lib/QtWidgets.framework/Versions/5/QtWidgets
  Referenced from: /Users/username/Documents/ROS/ros2-osx/lib/turtlesim/turtlesim_node
  Reason: image not found

Would you tell me how to solve please?

I am using: MacBook Pro (13-inch, 2017, Four Thunderbolt 3 Ports)/ macOS Big Sur Version11.4/ ros2-foxy-20201211-macos-amd64.tar.bz2

edit retag flag offensive close merge delete

Comments

I am running into the same problem with ROS2 Foxy on macOS Monterrey. Did you find the solution?

wgrand ( 2021-12-28 14:06:46 -0500 )edit

add a comment

1 Answer

Sort by » oldest newest most voted

answered 2021-12-29 06:40:44 -0500

wgrand

26 ●2 ●3 http://www.linkedin.co...

updated 2021-12-29 07:01:23 -0500

Basically, you have to downgrade Qt to version 5 and change the references to the library to that version. To do that:

Install Qt version 5:

brew unlink qt
brew install qt@5
brew link --force qt@5
Change the references to the Qt libraries within the turtlesim executable by doing the following:

install_name_tool -change /usr/local/opt/qt/lib/QtWidgets.framework/Versions/5/QtWidgets /usr/local/opt/qt@5/lib/QtWidgets.framework/Versions/5/QtWidgets /path/to/turtlesim_node

And repeat that command with by replacing QtWidgets with QtGui and QtCore. See the thread about this here: https://github.com/ros2/ros2/issues/1...

edit flag offensive delete link

add a comment

Question Tools

1 follower

Stats

Asked: 2021-07-09 21:14:38 -0500

Seen: 741 times

Last updated: Dec 29 '21

dyld: Library not loaded: QtWidgets edit

Comments

1 Answer

Question Tools

Stats

Related questions

dyld: Library not loaded: QtWidgets