The error occurs while building the projects of the gpg

[yangyufeng-6666]

yangyufeng@yangyufeng-Inspiron-5577:~/gpg/build$ make
[ 7%] Built target gpg_local_frame
[ 14%] Built target gpg_eigen_utils
[ 21%] Built target gpg_point_list
[ 28%] Built target gpg_antipodal
[ 35%] Built target gpg_finger_hand
[ 42%] Built target gpg_grasp
[ 50%] Built target gpg_grasp_set
[ 57%] Built target gpg_cloud_camera
Scanning dependencies of target gpg_plot
[ 60%] Building CXX object CMakeFiles/gpg_plot.dir/src/gpg/plot.cpp.o
/home/yangyufeng/gpg/src/gpg/plot.cpp: In member function ‘void Plot::runViewer(boost::shared_ptrpcl::visualization::PCLVisualizer&) const’:
/home/yangyufeng/gpg/src/gpg/plot.cpp:454:12: error: ‘boost::this_thread’ has not been declared
454 | boost::this_thread::sleep(boost::posix_time::microseconds(100000));
| ^~~~~~~~~~~
make[2]: *** [CMakeFiles/gpg_plot.dir/build.make:63：CMakeFiles/gpg_plot.dir/src/gpg/plot.cpp.o] 错误 1
make[1]: *** [CMakeFiles/Makefile2:311：CMakeFiles/gpg_plot.dir/all] 错误 2
make: *** [Makefile:130：all] 错误 2

Does anyone meets the same problem?

[yxk-tian]

I have the same problem, and i soluved that by reinstall the system. My system is ubuntu 18.04

[hqf2591102423]

yangyufeng@yangyufeng-Inspiron-5577:~/gpg/build$ make [ 7%] Built target gpg_local_frame [ 14%] Built target gpg_eigen_utils [ 21%] Built target gpg_point_list [ 28%] Built target gpg_antipodal [ 35%] Built target gpg_finger_hand [ 42%] Built target gpg_grasp [ 50%] Built target gpg_grasp_set [ 57%] Built target gpg_cloud_camera Scanning dependencies of target gpg_plot [ 60%] Building CXX object CMakeFiles/gpg_plot.dir/src/gpg/plot.cpp.o /home/yangyufeng/gpg/src/gpg/plot.cpp: In member function ‘void Plot::runViewer(boost::shared_ptrpcl::visualization::PCLVisualizer&) const’: /home/yangyufeng/gpg/src/gpg/plot.cpp:454:12: error: ‘boost::this_thread’ has not been declared 454 | boost::this_thread::sleep(boost::posix_time::microseconds(100000)); | ^~~~~~~~~~~ make[2]: *** [CMakeFiles/gpg_plot.dir/build.make:63：CMakeFiles/gpg_plot.dir/src/gpg/plot.cpp.o] 错误 1 make[1]: *** [CMakeFiles/Makefile2:311：CMakeFiles/gpg_plot.dir/all] 错误 2 make: *** [Makefile:130：all] 错误 2

Does anyone meets the same problem?

have you solve the problem