Could not find package after building moveit from source

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Hi!

I have built MoveIt from source and in ws_moveit workspace.

However, when I include related Moveit header files in another workspace

#include <moveit_visual_tools/moveit_visual_tools.h>

, I met this error

Could not find a package configuration file provided by
 "moveit_visual_tools" with any of the following names:

     moveit_visual_toolsConfig.cmake
     moveit_visual_tools-config.cmake

    Add the installation prefix of "moveit_visual_tools" to CMAKE_PREFIX_PATH
    or set "moveit_visual_tools_DIR" to a directory containing one of the above
    files.  If "moveit_visual_tools" provides a separate development package or
    SDK, be sure it has been installed.

I have tried find_package(moveit_visual_tools REQUIRED) and <depend>moveit_visual_tools</depend>, but this error didn't disappear.

I think this error is caused by CMAKE_PREFIX_PATH.

Some related questions, such as this, are answered with a sudo apt-get install ros- solution, but I want to build moveit from source for trying to contribute new features.

I'm not sure if I'm on the right point. Could you give me some advice on how to solve this error?

Thanks!