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# By default, we use built-in protobuf sources and pre-generated .proto files
# Note: In case of .proto model updates these variables should be used:
# - PROTOBUF_PROTOC_EXECUTABLE (required)
# - PROTOBUF_INCLUDE_DIR
# - PROTOBUF_LIBRARIES or PROTOBUF_LIBRARY / PROTOBUF_LIBRARY_DEBUG for find_package()
OCV_OPTION(BUILD_PROTOBUF "Force to build libprotobuf from sources" ON)
OCV_OPTION(UPDATE_PROTO_FILES "Force to rebuild .proto files" OFF)
if(UPDATE_PROTO_FILES)
if(NOT DEFINED PROTOBUF_PROTOC_EXECUTABLE)
find_package(Protobuf QUIET)
endif()
if(DEFINED PROTOBUF_PROTOC_EXECUTABLE AND EXISTS ${PROTOBUF_PROTOC_EXECUTABLE})
message(STATUS "The protocol buffer compiler is found (${PROTOBUF_PROTOC_EXECUTABLE})")
file(GLOB proto_files src/tensorflow/*.proto)
list(APPEND proto_files src/caffe/caffe.proto)
PROTOBUF_GENERATE_CPP(PROTOBUF_HDRS PROTOBUF_SRCS ${proto_files})
else()
message(FATAL_ERROR "The protocol buffer compiler is not found (PROTOBUF_PROTOC_EXECUTABLE='${PROTOBUF_PROTOC_EXECUTABLE}')")
endif()
endif()
if(NOT BUILD_PROTOBUF AND NOT (DEFINED PROTOBUF_INCLUDE_DIR AND DEFINED PROTOBUF_LIBRARIES))
find_package(Protobuf QUIET)
endif()
if(PROTOBUF_FOUND)
# nothing
else()
include(${CMAKE_CURRENT_LIST_DIR}/download_protobuf.cmake)
add_subdirectory(${CMAKE_CURRENT_SOURCE_DIR}/3rdparty/protobuf)
set(PROTOBUF_LIBRARIES libprotobuf)
set(PROTOBUF_INCLUDE_DIR ${PROTOBUF_CPP_PATH}/protobuf-3.1.0/src)
endif()
if(NOT UPDATE_PROTO_FILES)
file(GLOB fw_srcs ${CMAKE_CURRENT_SOURCE_DIR}/misc/tensorflow/*.cc)
file(GLOB fw_hdrs ${CMAKE_CURRENT_SOURCE_DIR}/misc/tensorflow/*.h)
list(APPEND fw_srcs ${CMAKE_CURRENT_SOURCE_DIR}/misc/caffe/caffe.pb.cc)
list(APPEND fw_hdrs ${CMAKE_CURRENT_SOURCE_DIR}/misc/caffe/caffe.pb.h)
list(APPEND PROTOBUF_SRCS ${fw_srcs})
list(APPEND PROTOBUF_HDRS ${fw_hdrs})
list(APPEND PROTOBUF_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/misc/caffe)
list(APPEND PROTOBUF_INCLUDE_DIR ${CMAKE_CURRENT_SOURCE_DIR}/misc/tensorflow)
endif()
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
)
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