install ros-indigo-ecl-build

-- ==> add_subdirectory(bp_smart_charging/bp_dock_drive)
CMake Warning at /opt/ros/indigo/share/catkin/cmake/catkinConfig.cmake: (find_package):
  Could not find a package configuration file provided by "ecl_build" with
  any of the following names:

    ecl_buildConfig.cmake
    ecl_build-config.cmake

  Add the installation prefix of "ecl_build" to CMAKE_PREFIX_PATH or set
  "ecl_build_DIR" to a directory containing one of the above files.  If
  "ecl_build" provides a separate development package or SDK, be sure it has
  been installed.
Call Stack (most recent call first):
  bp_smart_charging/bp_dock_drive/CMakeLists.txt: (find_package)

-- Could not find the required component 'ecl_build'. The following CMake error indicates that you either need to install the package with the same name or change your environment so that it can be found.
CMake Error at /opt/ros/indigo/share/catkin/cmake/catkinConfig.cmake: (find_package):
  Could not find a package configuration file provided by "ecl_build" with
  any of the following names:

    ecl_buildConfig.cmake
    ecl_build-config.cmake

  Add the installation prefix of "ecl_build" to CMAKE_PREFIX_PATH or set
  "ecl_build_DIR" to a directory containing one of the above files.  If
  "ecl_build" provides a separate development package or SDK, be sure it has
  been installed.
Call Stack (most recent call first):
  bp_smart_charging/bp_dock_drive/CMakeLists.txt: (find_package)

-- Configuring incomplete, errors occurred!

解决：

sudo apt-get install ros-indigo-ecl-build