Threads::Threads errors when building a project based on BT.CPP

[robertokcanale]

Hello, I am trying to run a simple project while following the documentation.

[robertokcanale]

I get tht following code after running
cmake .. inside the build folder

-- Configuring done
CMake Error at CMakeLists.txt:8 (add_executable):
  Target "BT_tutorials" links to target "Threads::Threads" but the target was
  not found.  Perhaps a find_package() call is missing for an IMPORTED
  target, or an ALIAS target is missing?


CMake Error at CMakeLists.txt:8 (add_executable):
  Target "BT_tutorials" links to target "Threads::Threads" but the target was
  not found.  Perhaps a find_package() call is missing for an IMPORTED
  target, or an ALIAS target is missing?


-- Generating done
CMake Generate step failed.  Build files cannot be regenerated correctly.

[yendiDev]

I get tht following code after running cmake .. inside the build folder

-- Configuring done
CMake Error at CMakeLists.txt:8 (add_executable):
  Target "BT_tutorials" links to target "Threads::Threads" but the target was
  not found.  Perhaps a find_package() call is missing for an IMPORTED
  target, or an ALIAS target is missing?


CMake Error at CMakeLists.txt:8 (add_executable):
  Target "BT_tutorials" links to target "Threads::Threads" but the target was
  not found.  Perhaps a find_package() call is missing for an IMPORTED
  target, or an ALIAS target is missing?


-- Generating done
CMake Generate step failed.  Build files cannot be regenerated correctly.

Same error

[facontidavide]

Is this main branch? I will have a look

[facontidavide]

Can your confirm your build system? catkin/ colcon/ vanilla cmake ?

[facontidavide]

hello?

[yendiDev]

Hi,
I have not worked on this in a while.
I will boot up the project and communicate over the weekend

[mnumanuyar]

I have the same error. this might be relevant : https://stackoverflow.com/a/60480361/2113878

[mnumanuyar]

to be precise i get this error not during cmake of BT but during cmake of a dummy project that uses BT. error is :

-- Configuring done
CMake Error at /usr/local/lib/cmake/behaviortree_cpp/behaviortree_cppTargets.cmake:61 (set_target_properties):
  The link interface of target "BT::behaviortree_cpp" contains:

    Threads::Threads

  but the target was not found.  Possible reasons include:

    * There is a typo in the target name.
    * A find_package call is missing for an IMPORTED target.
    * An ALIAS target is missing.

Call Stack (most recent call first):
  /usr/local/lib/cmake/behaviortree_cpp/behaviortree_cppConfig.cmake:27 (include)
  CMakeLists.txt:6 (find_package)


-- Generating done
CMake Generate step failed.  Build files cannot be regenerated correctly.

[facontidavide]

Pushed a solution