cmake HAVE_PANGOLIN_VIEWER examples

stella-cv/stella_vslam_ros CMakeLists.txt :202 

target_compile_definitions(stella_vslam_ros_system
        PRIVATE HAVE_PANGOLIN_VIEWER)

stella-cv/stella_vslam_ros src/CMakeLists.txt :12 

target_compile_definitions(${EXECUTABLE_TARGET}
                PRIVATE HAVE_PANGOLIN_VIEWER)