CMake Warning \(dev\) at LOCATION-and-TARGET_OBJECTS.cmake:[0-9]+ \(get_target_property\): Policy CMP0026 is not set: Disallow use of the LOCATION target property. Run "cmake --help-policy CMP0026" for policy details. Use the cmake_policy command to set the policy and suppress this warning. The LOCATION property should not be read from target "bar". Use the target name directly with add_custom_command, or use the generator expression \$, as appropriate. Call Stack \(most recent call first\): CMakeLists\.txt:[0-9]+ \(include\) This warning is for project developers. Use -Wno-dev to suppress it.