Repository for OpenCV's extra modules
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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()
set(PROTOBUF_CPP_PATH "${OpenCV_BINARY_DIR}/3rdparty/protobuf")
set(PROTOBUF_CPP_ROOT "${PROTOBUF_CPP_PATH}/protobuf-3.1.0")
ocv_download(FILENAME "protobuf-cpp-3.1.0.tar.gz"
HASH "bd5e3eed635a8d32e2b99658633815ef"
URL
"${OPENCV_PROTOBUF_URL}"
"$ENV{OPENCV_PROTOBUF_URL}"
"https://github.com/google/protobuf/releases/download/v3.1.0/"
DESTINATION_DIR "${PROTOBUF_CPP_PATH}"
ID PROTOBUF
STATUS res
UNPACK RELATIVE_URL)
if(NOT res)
return()
endif()
set(PROTOBUF_LIBRARIES libprotobuf)
set(PROTOBUF_INCLUDE_DIR "${PROTOBUF_CPP_ROOT}/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()