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# Copyright 2017 The TensorFlow Authors. All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
# ==============================================================================
include (ExternalProject)
set(PROTOBUF_INCLUDE_DIRS ${CMAKE_CURRENT_BINARY_DIR}/protobuf/src/protobuf/src)
set(PROTOBUF_URL https://github.com/google/protobuf.git)
set(PROTOBUF_TAG b04e5cba356212e4e8c66c61bbe0c3a20537c5b9)
if(WIN32)
set(protobuf_STATIC_LIBRARIES
debug ${CMAKE_CURRENT_BINARY_DIR}/protobuf/src/protobuf/$(Configuration)/libprotobufd.lib
optimized ${CMAKE_CURRENT_BINARY_DIR}/protobuf/src/protobuf/$(Configuration)/libprotobuf.lib)
set(PROTOBUF_PROTOC_EXECUTABLE ${CMAKE_CURRENT_BINARY_DIR}/protobuf/src/protobuf/$(Configuration)/protoc.exe)
set(PROTOBUF_ADDITIONAL_CMAKE_OPTIONS -Dprotobuf_MSVC_STATIC_RUNTIME:BOOL=OFF -A x64)
else()
set(protobuf_STATIC_LIBRARIES ${CMAKE_CURRENT_BINARY_DIR}/protobuf/src/protobuf/libprotobuf.a)
set(PROTOBUF_PROTOC_EXECUTABLE ${CMAKE_CURRENT_BINARY_DIR}/protobuf/src/protobuf/protoc)
endif()
ExternalProject_Add(protobuf
PREFIX protobuf
DEPENDS zlib
GIT_REPOSITORY ${PROTOBUF_URL}
GIT_TAG ${PROTOBUF_TAG}
DOWNLOAD_DIR "${DOWNLOAD_LOCATION}"
BUILD_IN_SOURCE 1
SOURCE_DIR ${CMAKE_CURRENT_BINARY_DIR}/protobuf/src/protobuf
CONFIGURE_COMMAND ${CMAKE_COMMAND} cmake/
-Dprotobuf_BUILD_TESTS=OFF
-DCMAKE_POSITION_INDEPENDENT_CODE=ON
-DZLIB_ROOT=${ZLIB_INSTALL}
${PROTOBUF_ADDITIONAL_CMAKE_OPTIONS}
INSTALL_COMMAND ""
CMAKE_CACHE_ARGS
if(tensorflow_ENABLE_POSITION_INDEPENDENT_CODE)
-DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=ON
else()
-DCMAKE_POSITION_INDEPENDENT_CODE:BOOL=OFF
endif()
-DCMAKE_BUILD_TYPE:STRING=Release
-DCMAKE_VERBOSE_MAKEFILE:BOOL=OFF
-DZLIB_ROOT:STRING=${ZLIB_INSTALL}
)
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