CMake Warning \(dev\) in CMakeLists.txt:
  Policy CMP0022 is not set: INTERFACE_LINK_LIBRARIES defines the link
  interface.  Run "cmake --help-policy CMP0022" for policy details.  Use the
  cmake_policy command to set the policy and suppress this warning.

  Target "bar" has an INTERFACE_LINK_LIBRARIES property which differs from
  its LINK_INTERFACE_LIBRARIES(_DEBUG)? properties.

  INTERFACE_LINK_LIBRARIES:

    foo

  LINK_INTERFACE_LIBRARIES(_DEBUG)?:

    bat

This warning is for project developers.  Use -Wno-dev to suppress it.