#
# XIP
#
SET (XIP_DEPENDS)
ctkMacroShouldAddExternalProject(XIP_LIBRARIES add_project)
IF(${add_project})
  # Sanity checks
  IF(DEFINED XIP_DIR AND NOT EXISTS ${XIP_DIR})
    MESSAGE(FATAL_ERROR "XIP_DIR variable is defined but corresponds to non-existing directory")
  ENDIF()
  
  SET(XIP_enabling_variable XIP_LIBRARIES)
  
  SET(proj XIP)
  SET(proj_DEPENDENCIES)
  
  SET(XIP_DEPENDS ${proj})
  
  IF(NOT DEFINED XIP_DIR)
    # Set CMake OSX variable to pass down the external project
    set(CMAKE_OSX_EXTERNAL_PROJECT_ARGS)
    if(APPLE)
      list(APPEND CMAKE_OSX_EXTERNAL_PROJECT_ARGS
        -DCMAKE_OSX_ARCHITECTURES=${CMAKE_OSX_ARCHITECTURES}
        -DCMAKE_OSX_SYSROOT=${CMAKE_OSX_SYSROOT}
        -DCMAKE_OSX_DEPLOYMENT_TARGET=${CMAKE_OSX_DEPLOYMENT_TARGET})
    endif()

    #   MESSAGE(STATUS "Adding project:${proj}")
    ExternalProject_Add(${proj}
      SOURCE_DIR ${CMAKE_BINARY_DIR}/${proj}
      BINARY_DIR ${proj}-build
      PREFIX ${proj}${ep_suffix}
      SVN_REPOSITORY "https://collab01a.scr.siemens.com/svn/xip/releases/latest"
      SVN_USERNAME "anonymous"
      INSTALL_COMMAND ""
      CMAKE_GENERATOR ${gen}
      CMAKE_ARGS
        -DCMAKE_BUILD_TYPE:STRING=${CMAKE_BUILD_TYPE}
        -DCMAKE_CXX_FLAGS:STRING=${ep_common_cxx_flags}
        -DCMAKE_C_FLAGS:STRING=${ep_common_c_flags}
        -DCMAKE_INSTALL_PREFIX:PATH=${ep_install_dir}
        ${CMAKE_OSX_EXTERNAL_PROJECT_ARGS}
        -DBUILD_TESTING:BOOL=OFF
        -DHAS_VTK:BOOL=OFF
        -DHAS_ITK:BOOL=OFF
      )
    SET(XIP_DIR ${CMAKE_BINARY_DIR}/${proj}-build)
    
  ELSE()
    ctkMacroEmptyExternalProject(${proj} "${proj_DEPENDENCIES}")
  ENDIF()
  
  LIST(APPEND CTK_SUPERBUILD_EP_ARGS -DXIP_DIR:PATH=${XIP_DIR})
  
  SET(${XIP_enabling_variable}_INCLUDE_DIRS XIP_LIBRARY_DIRS)
  SET(${XIP_enabling_variable}_INCLUDE_DIRS XIP_INCLUDE_DIRS)
  SET(${XIP_enabling_variable}_FIND_PACKAGE_CMD XIP)
  
ENDIF()