#       * NL_LIB_PREFIX  (default: $CMAKE_INSTALL_PREFIX/lib)
#       * NL_DRIVER_PREFIX  (default: $CMAKE_INSTALL_PREFIX/lib (windows) or $CMAKE_INSTALL_PREFIX/lib/nel)
    SET(EXTERNAL_PATH "${CMAKE_CURRENT_SOURCE_DIR}/../3rdParty" CACHE PATH "3rd party libraries root path.")
  ENDIF(NOT EXTERNAL_PATH)

  IF(NOT EXTERNAL_INCLUDE_PATH)
    SET(EXTERNAL_INCLUDE_PATH "${EXTERNAL_PATH}/include" CACHE PATH "3rd party libraries include path.")
  ENDIF(NOT EXTERNAL_INCLUDE_PATH)

  IF(NOT EXTERNAL_LIBRARY_PATH)
    SET(EXTERNAL_LIBRARY_PATH "${EXTERNAL_PATH}/lib" CACHE PATH "3rd party libraries lib path.")
  ENDIF(NOT EXTERNAL_LIBRARY_PATH)

  SET(CMAKE_INCLUDE_PATH "${EXTERNAL_INCLUDE_PATH};${CMAKE_INCLUDE_PATH}")

PROJECT(NeL CXX C)

IF(WITH_STATIC_DRIVERS)
  IF(WIN32)
    ADD_DEFINITIONS(/DNL_STATIC)
  ELSE(WIN32)
    ADD_DEFINITIONS(-DNL_STATIC)
  ENDIF(WIN32)
ENDIF(WITH_STATIC_DRIVERS)

# On Windows we need to find DirectInput for NLMISC.
# This is how we get events.
IF(WIN32)
  FIND_PACKAGE(DirectXSDK)

  # On Win32 we can also build the MAX plugins.
  IF(WITH_MAXPLUGIN)
    FIND_PACKAGE(3dsMaxSDK)
  ENDIF(WITH_MAXPLUGIN)
ENDIF(WIN32)

IF(WITH_3D)
  FIND_PACKAGE(FreeType)

  IF(WITH_DRIVER_OPENGL)
    FIND_PACKAGE(OpenGL)
    IF(NOT WIN32)
      IF(APPLE)
        FIND_LIBRARY(CARBON NAMES Carbon)
        FIND_LIBRARY(COCOA NAMES Cocoa)
      ELSE(APPLE)
        FIND_PACKAGE(X11)
        FIND_PACKAGE(XF86VidMode)
        FIND_PACKAGE(XRandR)
      ENDIF(APPLE)
    ENDIF(NOT WIN32)
  ENDIF(WITH_DRIVER_OPENGL)

  IF(WITH_CEGUI)
    FIND_PACKAGE(CEGUI)
  ENDIF(WITH_CEGUI)

ENDIF(WITH_3D)

IF(WITH_SOUND)
  FIND_PACKAGE(Ogg)
  FIND_PACKAGE(Vorbis)

  IF(WITH_DRIVER_OPENAL)
    FIND_PACKAGE(OpenAL)
  ENDIF(WITH_DRIVER_OPENAL)

  IF(WITH_DRIVER_FMOD)
    FIND_PACKAGE(FMOD)
  ENDIF(WITH_DRIVER_FMOD)
ENDIF(WITH_SOUND)

IF(WITH_MFC)
  FIND_PACKAGE(MFC)
ENDIF(WITH_MFC)

IF(WITH_GTK)
  FIND_PACKAGE(GTK2)
ENDIF(WITH_GTK)

IF(WITH_NEL_TESTS)
  FIND_PACKAGE(CppTest)
  
  ENABLE_TESTING()
  ADD_TEST(nel_unit_test ${EXECUTABLE_OUTPUT_PATH}/nel_unit_test --html)
  IF(BUILD_DASHBOARD)
    INCLUDE(Dart)
    SET(SVNCOMMAND svn)
    SET(SVNSOURCEDIR http://dev.ryzom.com/svn/trunk/nel)
    SET(GENERATELOGS svn2cl)
  ENDIF(BUILD_DASHBOARD)
ENDIF(WITH_NEL_TESTS)

IF(UNIX)
  SET(prefix ${CMAKE_INSTALL_PREFIX})
  SET(exec_prefix ${CMAKE_INSTALL_PREFIX}/bin)
  SET(libdir "${CMAKE_INSTALL_PREFIX}/lib")
  SET(includedir "${CMAKE_INSTALL_PREFIX}/include")
  SET(enable_ligo ${WITH_LIGO})
  SET(enable_logic ${WITH_LOGIC})
  SET(enable_georges ${WITH_GEORGES})
  SET(enable_net ${WITH_NET})
  SET(enable_3d ${WITH_3D})
  SET(enable_pacs ${WITH_PACS})
  SET(enable_sound ${WITH_SOUND})
  CONFIGURE_FILE(nel-config.in nel-config)

  INSTALL(PROGRAMS ${CMAKE_BINARY_DIR}/nel-config DESTINATION bin)
ENDIF(UNIX)

IF(WIN32)
  INCLUDE(${CMAKE_ROOT}/Modules/Platform/Windows-cl.cmake)
  SET(WINSOCK2_LIB ws2_32.lib)
ENDIF(WIN32)

ADD_SUBDIRECTORY(include)
# config.h configuration and use by projects
CONFIGURE_FILE(${CMAKE_SOURCE_DIR}/config.h.cmake ${CMAKE_BINARY_DIR}/config.h)
INCLUDE_DIRECTORIES(${CMAKE_BINARY_DIR})
ADD_DEFINITIONS(-DHAVE_CONFIG_H)

ADD_SUBDIRECTORY(src)

IF(WITH_NEL_SAMPLES)
  ADD_SUBDIRECTORY(samples)
ENDIF(WITH_NEL_SAMPLES)

IF(WITH_NEL_TOOLS)
  FIND_PACKAGE(Squish)
  ADD_SUBDIRECTORY(tools)
ENDIF(WITH_NEL_TOOLS)