工程师您好，自己新建的包，update,upgrade之前编译都是好的，之后再编译时都出错，请看下是什么原因。
1当前环境：
apt update
apt upgrade
tros 1.1.6
2编译时的打印信息：
root@ubuntu:~/dev_ws# colcon build --packages-select cpp_dnn_demo
Starting >>> cpp_dnn_demo
-– stderr: cpp_dnn_demo
CMake Error at /opt/tros/share/fastrtps/cmake/fastrtps-targets.cmake:79 (message):
The imported target “fastrtps” references the file
“/opt/tros/lib/libfastrtps.so.2.1.3”
but this file does not exist. Possible reasons include:
* The file was deleted, renamed, or moved to another location.
* An install or uninstall procedure did not complete successfully.
* The installation package was faulty and contained
“/opt/tros/share/fastrtps/cmake/fastrtps-targets.cmake”
but not all the files it references.
Call Stack (most recent call first):
/opt/tros/share/fastrtps/cmake/fastrtps-config.cmake:54 (include)
/opt/tros/share/rosidl_typesupport_fastrtps_c/cmake/rosidl_typesupport_fastrtps_c-extras.cmake:6 (find_package)
/opt/tros/share/rosidl_typesupport_fastrtps_c/cmake/rosidl_typesupport_fastrtps_cConfig.cmake:41 (include)
/opt/tros/share/rosidl_typesupport_c/cmake/rosidl_typesupport_c-extras.cmake:13 (find_package)
/opt/tros/share/rosidl_typesupport_c/cmake/rosidl_typesupport_cConfig.cmake:41 (include)
/opt/tros/share/rosidl_default_runtime/cmake/rosidl_default_runtime-extras.cmake:12 (find_package)
/opt/tros/share/rosidl_default_runtime/cmake/rosidl_default_runtimeConfig.cmake:41 (include)
/opt/tros/share/builtin_interfaces/cmake/ament_cmake_export_dependencies-extras.cmake:21 (find_package)
/opt/tros/share/builtin_interfaces/cmake/builtin_interfacesConfig.cmake:41 (include)
/opt/tros/share/rcl_interfaces/cmake/ament_cmake_export_dependencies-extras.cmake:21 (find_package)
/opt/tros/share/rcl_interfaces/cmake/rcl_interfacesConfig.cmake:41 (include)
/opt/tros/share/rcl/cmake/ament_cmake_export_dependencies-extras.cmake:21 (find_package)
/opt/tros/share/rcl/cmake/rclConfig.cmake:41 (include)
/opt/tros/share/libstatistics_collector/cmake/ament_cmake_export_dependencies-extras.cmake:21 (find_package)
/opt/tros/share/libstatistics_collector/cmake/libstatistics_collectorConfig.cmake:41 (include)
/opt/tros/share/rclcpp/cmake/ament_cmake_export_dependencies-extras.cmake:21 (find_package)
/opt/tros/share/rclcpp/cmake/rclcppConfig.cmake:41 (include)
CMakeLists.txt:20 (find_package)
-–
Failed <<< cpp_dnn_demo [5.13s, exited with code 1]
Summary: 0 packages finished [6.66s]
1 package failed: cpp_dnn_demo
1 package had stderr output: cpp_dnn_demo
root@ubuntu:~/dev_ws#
3 CMakeLists.txt:20 (find_package) ：内容如下
# find dependencies-
19 find_package(ament_cmake REQUIRED)-
20 find_package(rclcpp REQUIRED)
4问题：
/opt/tros/lib/libfastrtps.so.2.1.3 在实际路径中找不到