# Copyright 2019 Google LLC. 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.

cmake_minimum_required(VERSION 3.12)
project(protobuf-download NONE)

include(ExternalProject)
ExternalProject_Add(protobuf
  GIT_REPOSITORY    https://github.com/protocolbuffers/protobuf.git
  GIT_TAG           e08f01ce6a78a6cf2834dfa37281eb366eb0c5c3  # 2019-06-05
  SOURCE_DIR        "${CMAKE_BINARY_DIR}/protobuf-src"
  BINARY_DIR        "${CMAKE_BINARY_DIR}/protobuf-build"
  PATCH_COMMAND     "${CMAKE_COMMAND}" -E touch "${CMAKE_BINARY_DIR}/protobuf-src/src/google/protobuf/stubs/io_win32.h"
  CONFIGURE_COMMAND ""
  BUILD_COMMAND     ""
  INSTALL_COMMAND   ""
  TEST_COMMAND      ""
)