add back in MESSAGE package info in CMakeLists.txt

  include_directories(${KIM_INCLUDE_DIRS})

endif()

if(PKG_MESSAGE)

  option(MESSAGE_ZMQ "Use ZeroMQ in MESSAGE package" OFF)

  file(GLOB_RECURSE cslib_SOURCES ${LAMMPS_LIB_SOURCE_DIR}/message/cslib/*.F

      ${LAMMPS_LIB_SOURCE_DIR}/message/cslib/*.c ${LAMMPS_LIB_SOURCE_DIR}/message/cslib/*.cpp)

  add_library(cslib STATIC ${cslib_SOURCES})

  if(BUILD_MPI)

    target_compile_definitions(cslib PRIVATE -DMPI_YES)

  else()

    target_compile_definitions(cslib PRIVATE -DMPI_NO)

  endif()

  if(MESSAGE_ZMQ)

    target_compile_definitions(cslib PRIVATE -DZMQ_YES)

    find_package(ZMQ REQUIRED)

    target_include_directories(cslib PRIVATE ${ZMQ_INCLUDE_DIRS})

    target_link_libraries(cslib PUBLIC ${ZMQ_LIBRARIES})

  else()

    target_compile_definitions(cslib PRIVATE -DZMQ_NO)

    target_include_directories(cslib PRIVATE ${LAMMPS_SOURCE_DIR}/message/cslib/src/STUBS_ZMQ)

  endif()

  list(APPEND LAMMPS_LINK_LIBS cslib)

  include_directories(${LAMMPS_LIB_SOURCE_DIR}/message/cslib/src)

endif()

if(PKG_MSCG)

  find_package(GSL REQUIRED)

  option(DOWNLOAD_MSCG "Download latte (instead of using the system's one)" OFF)