Melodic and Noetic are all meeting this problem. Like the followings:

[piluohong]

In file included from /home/h/ku/pcl-1.14-installpath/include/pcl-1.14/pcl/type_traits.h:40,
from /home/h/hong.MD.degree/cocolic_ws/src/Coco-LIC/src/spline/../utils/mypcl_cloud_type.h:21,
from /home/h/hong.MD.degree/cocolic_ws/src/Coco-LIC/src/spline/trajectory.h:24,
from /home/h/hong.MD.degree/cocolic_ws/src/Coco-LIC/src/spline/trajectory.cpp:19:
/home/h/ku/pcl-1.14-installpath/include/pcl-1.14/pcl/point_struct_traits.h:68:30: error: redefinition of ‘struct pcl::traits::decomposeArray’
68 | template struct decomposeArray
| ^~~~~~~~~~~~~~
In file included from /usr/local/include/pcl-1.10/pcl/make_shared.h:47,
from /usr/local/include/pcl-1.10/pcl/PCLHeader.h:6,
from /usr/local/include/pcl-1.10/pcl/point_cloud.h:47,
from /home/h/hong.MD.degree/cocolic_ws/src/Coco-LIC/src/spline/../utils/mypcl_cloud_type.h:20,
from /home/h/hong.MD.degree/cocolic_ws/src/Coco-LIC/src/spline/trajectory.h:24,
from /home/h/hong.MD.degree/cocolic_ws/src/Coco-LIC/src/spline/trajectory.cpp:19:
/usr/local/include/pcl-1.10/pcl/point_traits.h:99:33: note: previous definition of ‘struct pcl::traits::decomposeArray’
99 | template struct decomposeArray
| ^~~~~~~~~~~~~~
In file included from /home/h/ku/pcl-1.14-installpath/include/pcl-1.14/pcl/type_traits.h:40,
from /home/h/hong.MD.degree/cocolic_ws/src/Coco-LIC/src/spline/../utils/mypcl_cloud_type.h:21,
from /home/h/hong.MD.degree/cocolic_ws/src/Coco-LIC/src/spline/trajectory.h:24,
from /home/h/hong.MD.degree/cocolic_ws/src/Coco-LIC/src/spline/trajectory.cpp:19:
/home/h/ku/pcl-1.14-installpath/include/pcl-1.14/pcl/point_struct_traits.h:76:9: error: redefinition of ‘struct pcl::traits::POD’
76 | struct POD
| ^~~
In file included from /usr/local/include/pcl-1.10/pcl/make_shared.h:47,
from /usr/local/include/pcl-1.10/pcl/PCLHeader.h:6,
from /usr/local/include/pcl-1.10/pcl/point_cloud.h:47,
from /home/h/hong.MD.degree/cocolic_ws/src/Coco-LIC/src/spline/../utils/mypcl_cloud_type.h:20,
from /home/h/hong.MD.degree/cocolic_ws/src/Coco-LIC/src/spline/trajectory.h:24,
from /home/h/hong.MD.degree/cocolic_ws/src/Coco-LIC/src/spline/trajectory.cpp:19:
/usr/local/include/pcl-1.10/pcl/point_traits.h:107:12: note: previous definition of ‘struct pcl::traits::POD’
107 | struct POD
| ^~~
In file included from /home/h/ku/pcl-1.14-installpath/include/pcl-1.14/pcl/type_traits.h:40,
from /home/h/hong.MD.degree/cocolic_ws/src/Coco-LIC/src/spline/../utils/mypcl_cloud_type.h:21,
from /home/h/hong.MD.degree/cocolic_ws/src/Coco-LIC/src/spline/trajectory.h:24,
from /home/h/hong.MD.degree/cocolic_ws/src/Coco-LIC/src/spline/trajectory.cpp:19:
/home/h/ku/pcl-1.14-installpath/include/pcl-1.14/pcl/point_struct_traits.h:108:10: error: redefinition of default argument for ‘int dummy’
108 | struct name /** \cond NO_WARN_RECURSIVE / : name<typename POD::type, Tag, dummy> /* \endcond */
| ^~~~