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catkin_make error #105

Closed blackjacket996 closed 1 year ago

blackjacket996 commented 2 years ago

when I catkin_make , errors occur like this:

CMakeFiles/leg_detector.dir/src/leg_detector.cpp.o: In function LegDetector::laserCallback(boost::shared_ptr<sensor_msgs::LaserScan_<std::allocator<void> > const> const&)': leg_detector.cpp:(.text._ZN11LegDetector13laserCallbackERKN5boost10shared_ptrIKN11sensor_msgs10LaserScan_ISaIvEEEEE[_ZN11LegDetector13laserCallbackERKN5boost10shared_ptrIKN11sensor_msgs10LaserScan_ISaIvEEEEE]+0x4ca): undefined reference tocv::ml::RTrees::getVotes(cv::_InputArray const&, cv::_OutputArray const&, int) const' collect2: error: ld returned 1 exit status people/leg_detector/CMakeFiles/leg_detector.dir/build.make:215: recipe for target '/home/joao-nisa/catkin_ws/devel/lib/leg_detector/leg_detector' failed make[2]: [/home/joao-nisa/catkin_ws/devel/lib/leg_detector/leg_detector] Error 1 CMakeFiles/Makefile2:4646: recipe for target 'people/leg_detector/CMakeFiles/leg_detector.dir/all' failed make[1]: [people/leg_detector/CMakeFiles/leg_detector.dir/all] Error 2 make[1]: Waiting for unfinished jobs.... [100%] Built target face_detector Makefile:140: recipe for target 'all' failed make: [all] Error 2 Invoking "make -j4 -l4" failed

I'm using Ros-melodic & Ubuntu 18.04,and I saw a same question in issues , but I do not understand the solution "rolling it back".

DLu commented 2 years ago

What branch do you have checked out?

blackjacket996 commented 2 years ago

Thank you so much for your reply. I've solved it ,but still thank you very much 

------------------ 原始邮件 ------------------ 发件人: "wg-perception/people" @.>; 发送时间: 2022年3月25日(星期五) 凌晨4:25 @.>; @.**@.>; 主题: Re: [wg-perception/people] catkin_make error (Issue #105)

What branch do you have checked out?

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blackjacket996 commented 2 years ago

What branch do you have checked out?

I've solved it ! Still thank you so much!

blackjacket996 commented 1 year ago

Sry, I met a similar problem in ROS noetic && Ubuntu20.04. "undefined reference to cv::Mat::Mat(int, int, int), it shows there is something wrong in function"LegDetector::LaserCallback()" in leg_detector.cpp