if(WINRT)
  ocv_module_disable(dnn)
endif()

include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/OpenCVFindLibProtobuf.cmake)
if(NOT DEFINED PROTOBUF_INCLUDE_DIR)
  ocv_module_disable(opencv_dnn)
endif()

set(the_description "Deep neural network module. It allows to load models from different frameworks and to make forward pass")

ocv_add_module(dnn opencv_core opencv_imgproc WRAP python matlab)
ocv_warnings_disable(CMAKE_CXX_FLAGS -Wno-shadow -Wno-parentheses -Wmaybe-uninitialized -Wsign-promo
                                     -Wmissing-declarations -Wmissing-prototypes
)
ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4701 /wd4100)

if(MSVC)
  add_definitions( -D_CRT_SECURE_NO_WARNINGS=1 )
  ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4244 /wd4267 /wd4018 /wd4355 /wd4800 /wd4251 /wd4996 /wd4146
                                       /wd4305 /wd4127 /wd4100 /wd4512 /wd4125 /wd4389 /wd4510 /wd4610
                                       /wd4702 /wd4456 /wd4457 /wd4065 /wd4310 /wd4661 /wd4506
  )
else()
  ocv_warnings_disable(CMAKE_CXX_FLAGS -Wno-deprecated -Wmissing-prototypes -Wmissing-declarations -Wshadow
                                       -Wunused-parameter -Wunused-local-typedefs -Wsign-compare -Wsign-promo
                                       -Wundef -Wtautological-undefined-compare -Wignored-qualifiers -Wextra
                                       -Wunused-function -Wunused-const-variable -Wdeprecated-declarations
  )
endif()

if(APPLE_FRAMEWORK)
  ocv_warnings_disable(CMAKE_CXX_FLAGS -Wshorten-64-to-32)
endif()

if(ANDROID)
  add_definitions(-DDISABLE_POSIX_MEMALIGN -DTH_DISABLE_HEAP_TRACKING)
endif()

# ----------------------------------------------------------------------------
# Resolve libprotobuf dependency
# ----------------------------------------------------------------------------
if(NOT PROTOBUF_FOUND)
  add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/protobuf "${PROTOBUF_CPP_PATH}")
  add_definitions(-DHAVE_PROTOBUF=1)

  #supress warnings in autogenerated caffe.pb.* files
  ocv_warnings_disable(CMAKE_CXX_FLAGS
      -Wunused-parameter -Wundef -Wignored-qualifiers -Wno-enum-compare
      -Wdeprecated-declarations
      /wd4125 /wd4267 /wd4127 /wd4244 /wd4512 /wd4702
      /wd4456 /wd4510 /wd4610 /wd4800
      -wd858 -wd2196
  )
endif()

ocv_source_group("Src\\protobuf" FILES ${PROTOBUF_SRCS} ${PROTOBUF_HDRS})
ocv_module_include_directories(include ${PROTOBUF_INCLUDE_DIR})

ocv_glob_module_sources(${PROTOBUF_SRCS} ${PROTOBUF_HDRS} ${CBLAS_H_PROXY_PATH})
ocv_create_module(${PROTOBUF_LIBRARIES} ${LAPACK_LIBRARIES})
ocv_add_samples()
ocv_add_accuracy_tests()
ocv_add_perf_tests()

# ----------------------------------------------------------------------------
# Torch7 importer of blobs and models, produced by Torch.nn module
# ----------------------------------------------------------------------------
OCV_OPTION(${the_module}_BUILD_TORCH_IMPORTER "Build Torch model importer" ON)
if(${the_module}_BUILD_TORCH_IMPORTER)
    message(STATUS "Torch importer has been enabled. To run the tests you have to install Torch "
      "('th' executable should be available) "
      "and generate testdata using opencv_extra/testdata/dnn/generate_torch_models.py script.")
    add_definitions(-DENABLE_TORCH_IMPORTER=1)
    ocv_warnings_disable(CMAKE_CXX_FLAGS /wd4702 /wd4127 /wd4267) #supress warnings in original torch files
endif()