opensuse11.0s下安装simspark之怪问题

lightyear416

xuexi@linux-i9fk:~/bin/simspark-0.1.2/spark/build> cmake ..
CMake Error at CMakeLists.txt:25 (install):
  install FILES given no DESTINATION!


CMake Warning (dev) in CMakeLists.txt:
  No cmake_minimum_required command is present.  A line of code such as

    cmake_minimum_required(VERSION 2.6)

  should be added at the top of the file.  The version specified may be lower
  if you wish to support older CMake versions for this project.  For more
  information run "cmake --help-policy CMP0000".
This warning is for project developers.  Use -Wno-dev to suppress it.

-- Configuring done
在CMakeLists.txt:25这个错误是什么啊,应该如何解决,请高人指教

ps:CMakeLists.txt
########### next target ###############

set(spark_LIB_SRCS
   spark.cpp
   spark.h
)

include_directories(${CMAKE_SOURCE_DIR}/lib ${CMAKE_SOURCE_DIR}/utility ${FREETYPE_INCLUDE_DIRS}
${Boost_INCLUDE_DIRS} ${ODE_INCLUDE_DIR} ${DevIL_INCLUDE_DIR})

add_library(spark ${spark_LIB_SRCS})

target_link_libraries(spark salt zeitgeist oxygen kerosin)

set_target_properties(spark PROPERTIES VERSION ${SPARK_VERSION}
    SOVERSION ${SPARK_SO_VERSION} DEBUG_POSTFIX _debug)
install(TARGETS spark DESTINATION ${LIBDIR}/${CMAKE_PROJECT_NAME})

configure_file(${CMAKE_CURRENT_SOURCE_DIR}/spark-config.in
    ${CMAKE_CURRENT_BINARY_DIR}/spark-config)

########### install files ###############

install(FILES  spark.rb DESTINATION ${DATADIR}/${CMAKE_PROJECT_NAME})
install(FILES   ${CMAKE_CURRENT_BINARY_DIR}/spark-config DESTINATION ${BINDIR}
          PERMISSIONS OWNER_EXECUTE OWNER_WRITE OWNER_READ
          GROUP_EXECUTE GROUP_READ WORLD_READ WORLD_EXECUTE)
install(FILES  spark.h DESTINATION ${INCLUDEDIR}/${CMAKE_PROJECT_NAME}/spark)