SET (_boost_COMPILER "-vc6") # yes, this is correct

    elseif (BORLAND)

      SET (_boost_COMPILER "-bcb")

    elseif("${CMAKE_CXX_COMPILER_ID}" STREQUAL "SunPro")

      set(_boost_COMPILER "-sw")

    elseif (MINGW)

      if(${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION} VERSION_LESS 1.34)

          SET(_boost_COMPILER "-mgw") # no GCC version encoding prior to 1.34

      else()

        _Boost_COMPILER_DUMPVERSION(_boost_COMPILER_VERSION)

        SET (_boost_COMPILER "-mgw${_boost_COMPILER_VERSION}")

      endif()

    elseif (UNIX)

      if (CMAKE_COMPILER_IS_GNUCXX)

        if(${Boost_MAJOR_VERSION}.${Boost_MINOR_VERSION} VERSION_LESS 1.34)

          SET(_boost_COMPILER "-gcc") # no GCC version encoding prior to 1.34

        else()

          _Boost_COMPILER_DUMPVERSION(_boost_COMPILER_VERSION)

          # Determine which version of GCC we have.

          IF(APPLE)

            IF(Boost_MINOR_VERSION)

              IF(${Boost_MINOR_VERSION} GREATER 35)

                # In Boost 1.36.0 and newer, the mangled compiler name used

                # on Mac OS X/Darwin is "xgcc".

                SET(_boost_COMPILER "-xgcc${_boost_COMPILER_VERSION}")

              ELSE(${Boost_MINOR_VERSION} GREATER 35)

                # In Boost <= 1.35.0, there is no mangled compiler name for

                # the Mac OS X/Darwin version of GCC.

                SET(_boost_COMPILER "")

              ENDIF(${Boost_MINOR_VERSION} GREATER 35)

            ELSE(Boost_MINOR_VERSION)

              # We don't know the Boost version, so assume it's

              # pre-1.36.0.

              SET(_boost_COMPILER "")

            ENDIF(Boost_MINOR_VERSION)

          ELSE()

            SET (_boost_COMPILER "-gcc${_boost_COMPILER_VERSION}")

          ENDIF()

        endif()

      endif (CMAKE_COMPILER_IS_GNUCXX)

    endif()

    if(Boost_DEBUG)

      message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "

        "guessed _boost_COMPILER = ${_boost_COMPILER}")

    endif()

  endif(Boost_COMPILER)

    SET (_boost_MULTITHREADED "-mt")

    if( NOT Boost_USE_MULTITHREADED )

      set (_boost_MULTITHREADED "")

    endif()

  if(Boost_DEBUG)

    message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "

      "_boost_MULTITHREADED = ${_boost_MULTITHREADED}")

  endif()

  SET( _boost_STATIC_TAG "")

  set( _boost_ABI_TAG "")

  IF (WIN32)

    IF(MSVC OR "${CMAKE_CXX_COMPILER}" MATCHES "icl"

            OR "${CMAKE_CXX_COMPILER}" MATCHES "icpc")

      SET (_boost_ABI_TAG "g")

    ENDIF()

    IF( Boost_USE_STATIC_LIBS )

      SET( _boost_STATIC_TAG "-s")

    ENDIF( Boost_USE_STATIC_LIBS )

  ENDIF(WIN32)

  SET (_boost_ABI_TAG "${_boost_ABI_TAG}d")

  if(Boost_DEBUG)

    message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "

      "_boost_STATIC_TAG = ${_boost_STATIC_TAG}")

    message(STATUS "[ ${CMAKE_CURRENT_LIST_FILE}:${CMAKE_CURRENT_LIST_LINE} ] "

      "_boost_ABI_TAG = ${_boost_ABI_TAG}")

  endif()

  # ------------------------------------------------------------------------

  #  Begin finding boost libraries

  # ------------------------------------------------------------------------

  SET(_boost_LIBRARIES_SEARCH_DIRS

    ${Boost_INCLUDE_DIR}/lib

    ${Boost_INCLUDE_DIR}/../lib

    C:/boost/lib

    C:/boost

    "$ENV{ProgramFiles}/boost/boost_${Boost_MAJOR_VERSION}_${Boost_MINOR_VERSION}_${Boost_SUBMINOR_VERSION}/lib"

    "$ENV{ProgramFiles}/boost/boost_${Boost_MAJOR_VERSION}_${Boost_MINOR_VERSION}/lib"

    "$ENV{ProgramFiles}/boost/lib"

    "$ENV{ProgramFiles}/boost"

    /sw/local/lib

  )

  IF( BOOST_ROOT )

    SET(_boost_LIBRARIES_SEARCH_DIRS 

      ${BOOST_ROOT}/lib 

      ${BOOST_ROOT}/stage/lib 

      ${_boost_LIBRARIES_SEARCH_DIRS})

  ENDIF( BOOST_ROOT )

  IF( BOOST_LIBRARYDIR )