rosmake lsd_slam error

[srikar8]

Ubuntu version - 17.10 ros - melodic

main_stitchVideos.cpp:(.text._ZN2cv3MatD2Ev[_ZN2cv3MatD5Ev]+0x89): undefined reference to cv::Mat::deallocate()' main_stitchVideos.cpp:(.text._ZN2cv3MatD2Ev[_ZN2cv3MatD5Ev]+0x76): undefined reference tocv::fastFree(void*)' collect2: error: ld returned 1 exit status CMakeFiles/videoStitch.dir/build.make:132: recipe for target '../bin/videoStitch' failed make[3]: [../bin/videoStitch] Error 1 make[3]: Leaving directory '/home/iq4/rosbuild_ws/package_dir/lsd_slam/lsd_slam_viewer/build' CMakeFiles/Makefile2:205: recipe for target 'CMakeFiles/videoStitch.dir/all' failed make[2]: [CMakeFiles/videoStitch.dir/all] Error 2 make[2]: *** Waiting for unfinished jobs.... In file included from /home/iq4/rosbuild_ws/package_dir/lsd_slam/lsd_slam_viewer/src/PointCloudViewer.cpp:39:0: /home/iq4/rosbuild_ws/package_dir/lsd_slam/lsd_slam_viewer/src/KeyFrameDisplay.h:24:10: fatal error: Eigen/Core: No such file or directory

include <Eigen/Core>

        ^~~~~~~~~~~~

compilation terminated. CMakeFiles/viewer.dir/build.make:162: recipe for target 'CMakeFiles/viewer.dir/src/PointCloudViewer.cpp.o' failed make[3]: [CMakeFiles/viewer.dir/src/PointCloudViewer.cpp.o] Error 1 In file included from /home/iq4/rosbuild_ws/package_dir/lsd_slam/lsd_slam_viewer/src/main_viewer.cpp:25:0: /home/iq4/rosbuild_ws/package_dir/lsd_slam/lsd_slam_viewer/src/PointCloudViewer.h: In member function ‘std::__cxx11::string AnimationObject::toString()’: /home/iq4/rosbuild_ws/package_dir/lsd_slam/lsd_slam_viewer/src/PointCloudViewer.h:136:26: error: cannot bind non-const lvalue reference of type ‘qreal& {aka double&}’ to an rvalue of type ‘qreal {aka double}’ frame.getPosition(x,y,z); ^ In file included from /usr/include/QGLViewer/keyFrameInterpolator.h:31:0, from /usr/include/QGLViewer/camera.h:26, from /usr/include/QGLViewer/qglviewer.h:26, from /home/iq4/rosbuild_ws/package_dir/lsd_slam/lsd_slam_viewer/src/PointCloudViewer.h:26, from /home/iq4/rosbuild_ws/package_dir/lsd_slam/lsd_slam_viewer/src/main_viewer.cpp:25: /usr/include/QGLViewer/frame.h:188:7: note: initializing argument 1 of ‘void qglviewer::Frame::getPosition(qreal&, qreal&, qreal&) const’ void getPosition(qreal& x, qreal& y, qreal& z) const; ^~~ CMakeFiles/viewer.dir/build.make:100: recipe for target 'CMakeFiles/viewer.dir/src/main_viewer.cpp.o' failed make[3]: [CMakeFiles/viewer.dir/src/main_viewer.cpp.o] Error 1 make[3]: Leaving directory '/home/iq4/rosbuild_ws/package_dir/lsd_slam/lsd_slam_viewer/build' CMakeFiles/Makefile2:402: recipe for target 'CMakeFiles/viewer.dir/all' failed make[2]: [CMakeFiles/viewer.dir/all] Error 2 make[2]: Leaving directory '/home/iq4/rosbuild_ws/package_dir/lsd_slam/lsd_slam_viewer/build' Makefile:129: recipe for target 'all' failed make[1]: [all] Error 2 make[1]: Leaving directory '/home/iq4/rosbuild_ws/package_dir/lsd_slam/lsd_slam_viewer/build' /opt/ros/melodic/share/mk/cmake.mk:7: recipe for target 'all' failed

[omarabid59]

How did you solve this error? \

[iker-lluvia]

How did you solve this error? \

Defining x, y and z variables as qreal instead of float solves the error.