From 8f5c0e0de0254467c7379852139fbf4c61d27be5 Mon Sep 17 00:00:00 2001
From: Alexander Alekhin <alexander.alekhin@intel.com>
Date: Thu, 22 Jun 2017 15:30:12 +0300
Subject: [PATCH] 3rdparty: put protobuf into OpenCV repository

---
 modules/dnn/3rdparty/protobuf/CMakeLists.txt  | 151 ------------------
 modules/dnn/CMakeLists.txt                    |  48 +++---
 modules/dnn/cmake/OpenCVFindLibProtobuf.cmake |  58 -------
 3 files changed, 28 insertions(+), 229 deletions(-)
 delete mode 100644 modules/dnn/3rdparty/protobuf/CMakeLists.txt
 delete mode 100644 modules/dnn/cmake/OpenCVFindLibProtobuf.cmake

diff --git a/modules/dnn/3rdparty/protobuf/CMakeLists.txt b/modules/dnn/3rdparty/protobuf/CMakeLists.txt
deleted file mode 100644
index faf5fde32b1..00000000000
--- a/modules/dnn/3rdparty/protobuf/CMakeLists.txt
+++ /dev/null
@@ -1,151 +0,0 @@
-project(libprotobuf)
-
-include(CheckIncludeFiles)
-
-if(NOT MSVC)
-  check_include_files("pthread.h" HAVE_PTHREAD)
-  if(HAVE_PTHREAD)
-    add_definitions(-DHAVE_PTHREAD=1)
-  endif()
-endif()
-
-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
-  )
-endif()
-if(CV_ICC)
-  ocv_warnings_disable(CMAKE_CXX_FLAGS
-      -wd265 -wd858 -wd873 -wd2196
-  )
-endif()
-
-# Easier to support different versions of protobufs
-function(append_if_exist OUTPUT_LIST)
-    set(${OUTPUT_LIST})
-    foreach(fil ${ARGN})
-        if(EXISTS ${fil})
-            list(APPEND ${OUTPUT_LIST} "${fil}")
-        else()
-            message(WARNING "file missing: ${fil}")
-        endif()
-    endforeach()
-    set(${OUTPUT_LIST} ${${OUTPUT_LIST}} PARENT_SCOPE)
-endfunction()
-
-set(PROTOBUF_ROOT "${PROTOBUF_CPP_ROOT}")
-
-if(MSVC)
-  set(ATOMICOPS_INTERNALS ${PROTOBUF_ROOT}/src/google/protobuf/stubs/atomicops_internals_x86_msvc.cc)
-else()
-  set(ATOMICOPS_INTERNALS ${PROTOBUF_ROOT}/src/google/protobuf/stubs/atomicops_internals_x86_gcc.cc)
-endif()
-
-
-append_if_exist(PROTOBUF_SRCS
-# libprotobuf-lite
-  ${PROTOBUF_ROOT}/src/google/protobuf/arena.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/arenastring.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/extension_set.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/generated_message_util.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/io/coded_stream.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/io/zero_copy_stream.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/io/zero_copy_stream_impl_lite.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/message_lite.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/repeated_field.cc
-  ${ATOMICOPS_INTERNALS}
-  ${PROTOBUF_ROOT}/src/google/protobuf/stubs/bytestream.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/stubs/common.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/stubs/int128.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/stubs/once.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/stubs/status.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/stubs/statusor.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/stubs/stringpiece.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/stubs/stringprintf.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/stubs/structurally_valid.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/stubs/strutil.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/stubs/time.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/wire_format_lite.cc
-# libprotobuf
-  ${PROTOBUF_ROOT}/src/google/protobuf/any.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/any.pb.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/api.pb.cc
-#  ${PROTOBUF_ROOT}/src/google/protobuf/compiler/importer.cc
-#  ${PROTOBUF_ROOT}/src/google/protobuf/compiler/parser.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/descriptor.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/descriptor.pb.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/descriptor_database.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/duration.pb.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/dynamic_message.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/empty.pb.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/extension_set_heavy.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/field_mask.pb.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/generated_message_reflection.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/io/gzip_stream.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/io/printer.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/io/strtod.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/io/tokenizer.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/io/zero_copy_stream_impl.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/map_field.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/message.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/reflection_ops.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/service.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/source_context.pb.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/struct.pb.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/stubs/mathlimits.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/stubs/substitute.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/text_format.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/timestamp.pb.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/type.pb.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/unknown_field_set.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/field_comparator.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/field_mask_util.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/internal/datapiece.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/internal/default_value_objectwriter.cc
-#  ${PROTOBUF_ROOT}/src/google/protobuf/util/internal/error_listener.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/internal/field_mask_utility.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/internal/json_escaping.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/internal/json_objectwriter.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/internal/json_stream_parser.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/internal/object_writer.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/internal/proto_writer.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/internal/protostream_objectsource.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/internal/protostream_objectwriter.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/internal/type_info.cc
-#  ${PROTOBUF_ROOT}/src/google/protobuf/util/internal/type_info_test_helper.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/internal/utility.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/json_util.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/message_differencer.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/time_util.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/util/type_resolver_util.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/wire_format.cc
-  ${PROTOBUF_ROOT}/src/google/protobuf/wrappers.pb.cc
-)
-
-if(CMAKE_VERSION VERSION_LESS 2.8.9 AND UNIX)
-  set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -fPIC")
-endif()
-
-add_library(libprotobuf STATIC ${PROTOBUF_SRCS})
-include_directories(${PROTOBUF_ROOT}/src)
-
-set_target_properties(libprotobuf
-    PROPERTIES
-    FOLDER "3rdparty"
-    POSITION_INDEPENDENT_CODE 1    # CMake 2.8.9+
-    OUTPUT_NAME libprotobuf
-    DEBUG_POSTFIX "${OPENCV_DEBUG_POSTFIX}"
-    ARCHIVE_OUTPUT_DIRECTORY ${3P_LIBRARY_OUTPUT_PATH}
-    )
-
-if(NOT BUILD_SHARED_LIBS)
-  ocv_install_target(libprotobuf EXPORT OpenCVModules ARCHIVE DESTINATION ${OPENCV_3P_LIB_INSTALL_PATH} COMPONENT dev)
-endif()
diff --git a/modules/dnn/CMakeLists.txt b/modules/dnn/CMakeLists.txt
index 415ced70b47..e283e4803b9 100644
--- a/modules/dnn/CMakeLists.txt
+++ b/modules/dnn/CMakeLists.txt
@@ -2,8 +2,8 @@ if(WINRT)
   ocv_module_disable(dnn)
 endif()
 
-include(${CMAKE_CURRENT_SOURCE_DIR}/cmake/OpenCVFindLibProtobuf.cmake)
-if(NOT DEFINED PROTOBUF_INCLUDE_DIR)
+include(${OpenCV_SOURCE_DIR}/cmake/OpenCVFindLibProtobuf.cmake)
+if(NOT Protobuf_FOUND)
   ocv_module_disable(opencv_dnn)
 endif()
 
@@ -37,28 +37,36 @@ 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
+add_definitions(-DHAVE_PROTOBUF=1)
+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
+)
 
-  #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
-  )
+if(PROTOBUF_UPDATE_FILES)
+  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()
+  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_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/misc/caffe)
+  list(APPEND Protobuf_INCLUDE_DIRS ${CMAKE_CURRENT_SOURCE_DIR}/misc/tensorflow)
 endif()
 
-ocv_source_group("Src\\protobuf" FILES ${PROTOBUF_SRCS} ${PROTOBUF_HDRS})
-ocv_module_include_directories(include ${PROTOBUF_INCLUDE_DIR})
+ocv_source_group("Src\\protobuf" FILES ${Protobuf_SRCS} ${Protobuf_HDRS})
+ocv_module_include_directories(include ${Protobuf_INCLUDE_DIRS})
 
-ocv_glob_module_sources(${PROTOBUF_SRCS} ${PROTOBUF_HDRS} ${CBLAS_H_PROXY_PATH})
-ocv_create_module(${PROTOBUF_LIBRARIES} ${LAPACK_LIBRARIES})
+ocv_glob_module_sources(${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()
diff --git a/modules/dnn/cmake/OpenCVFindLibProtobuf.cmake b/modules/dnn/cmake/OpenCVFindLibProtobuf.cmake
deleted file mode 100644
index dc49567a734..00000000000
--- a/modules/dnn/cmake/OpenCVFindLibProtobuf.cmake
+++ /dev/null
@@ -1,58 +0,0 @@
-# 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()