| # Copyright 2021 The gRPC Authors |
| # |
| # 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. |
| |
| set(_download_archive_TEMPORARY_DIR ${CMAKE_BINARY_DIR}/http_archives) |
| file(MAKE_DIRECTORY ${_download_archive_TEMPORARY_DIR}) |
| |
| # This is basically Bazel's http_archive. |
| # Note that strip_prefix strips the directory path prefix of the extracted |
| # archive content, and it may strip multiple directories. |
| function(download_archive destination url hash strip_prefix) |
| # Fetch and validate |
| set(_TEMPORARY_FILE ${_download_archive_TEMPORARY_DIR}/${strip_prefix}.tar.gz) |
| message(STATUS "Downloading from ${url}, if failed, please try configuring again") |
| file(DOWNLOAD ${url} ${_TEMPORARY_FILE} |
| TIMEOUT 60 |
| EXPECTED_HASH SHA256=${hash} |
| TLS_VERIFY ON) |
| # Extract |
| execute_process(COMMAND |
| ${CMAKE_COMMAND} -E tar xvf ${_TEMPORARY_FILE} |
| WORKING_DIRECTORY ${_download_archive_TEMPORARY_DIR} |
| OUTPUT_QUIET) |
| get_filename_component(_download_archive_Destination_Path ${destination} DIRECTORY) |
| file(MAKE_DIRECTORY ${_download_archive_Destination_Path}) |
| file(RENAME ${_download_archive_TEMPORARY_DIR}/${strip_prefix} ${destination}) |
| # Clean up |
| file(REMOVE ${_download_archive_TEMPORARY_DIR}/${strip_prefix}) |
| file(REMOVE ${_TEMPORARY_FILE}) |
| endfunction() |