require OGRE 1.11+ for ovis

set(the_description "OGRE 3D Visualiser.")

find_package(OGRE 1.10 QUIET)

find_package(OGRE QUIET)

if(NOT OGRE_FOUND)

  message(STATUS "Module opencv_ovis disabled because OGRE3D was not found")

  ocv_module_disable(ovis)

elseif(OGRE_VERSION VERSION_LESS 1.10 OR OGRE_VERSION VERSION_GREATER 2.0)

elseif(OGRE_VERSION VERSION_LESS 1.11.5 OR OGRE_VERSION VERSION_GREATER 2.0)

  message(STATUS "Module opencv_ovis disabled because of incompatible OGRE3D version (${OGRE_VERSION})")

  ocv_module_disable(ovis)

elseif(OGRE_VERSION VERSION_GREATER 1.10) # we need C++11 for OGRE 1.11

else() # we need C++11 for OGRE 1.11

  if(MSVC)

    set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Qstd=c++11")

  else()

  endif()

endif()

if(OGRE_VERSION VERSION_LESS 1.10.10)

    message(WARNING "opencv_ovis: Ogre >= 1.10.10 recommended for interactive windows")

endif()

include_directories(${OGRE_INCLUDE_DIRS})

link_directories(${OGRE_LIBRARY_DIRS})