PragmaTwice commented on code in PR #584: URL: https://github.com/apache/incubator-kvrocks/pull/584#discussion_r900936504
########## cmake/lz4.cmake: ########## @@ -0,0 +1,82 @@ +# Licensed to the Apache Software Foundation (ASF) under one +# or more contributor license agreements. See the NOTICE file +# distributed with this work for additional information +# regarding copyright ownership. The ASF licenses this file +# to you 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_guard() + +# lib name +set(LZ4_LIB_NAME "lz4") +# set lz4 +set(LZ4_SOURCE "lz4-1.9.3") +# set download dir +set(LZ4_ZIP_DL_DIR ${CMAKE_CURRENT_BINARY_DIR}/_deps) +# set zip file name +set(LZ4_ZIP_NAME "lz4-1.9.3.tar.gz") +# +set(LZ4_ZIP_ABSOLUT_PATH "${LZ4_ZIP_DL_DIR}/lz4-1.9.3.tar.gz") +# url +set(LZ4_DOWNLOAD_URL "https://github.com/lz4/lz4/archive/v1.9.3.tar.gz";) +# md5sum +set(LZ4_MD5SUM "3a1ab1684e14fc1afc66228ce61b2db3") +# set source dir +set(LZ4_SOURCE_DIR "${LZ4_ZIP_DL_DIR}/${LZ4_SOURCE}") +# include dir +set(LZ4_LIB_INCLUDE_DIR ${LZ4_SOURCE_DIR}/lib) +# src dir +set(LZ4_LIB_SOURCE_DIR ${LZ4_SOURCE_DIR}/lib) +# download timeout +set(DOWNLOAD_LZ4_TIMEOUT 600 CACHE STRING "Timeout in seconds when downloading LZ4.") + +if (EXISTS ${LZ4_ZIP_ABSOLUT_PATH}) + file(MD5 ${LZ4_ZIP_ABSOLUT_PATH} LZ4_MD5SUM_) + if (NOT ${LZ4_MD5SUM} STREQUAL ${LZ4_MD5SUM_}) + message(STATUS "remove -f ${LZ4_ZIP_ABSOLUT_PATH}") + execute_process(COMMAND sh -c "rm -f ${LZ4_ZIP_ABSOLUT_PATH}") + endif() +endif() + +if (NOT EXISTS ${LZ4_ZIP_ABSOLUT_PATH}) + # download + message(STATUS "Downloading ${LZ4_ZIP_NAME} to ${LZ4_ZIP_ABSOLUT_PATH}") + file(DOWNLOAD ${LZ4_DOWNLOAD_URL} + ${LZ4_ZIP_ABSOLUT_PATH} + TIMEOUT ${DOWNLOAD_LZ4_TIMEOUT} + STATUS ERR SHOW_PROGRESS) +endif() + +if (EXISTS ${LZ4_ZIP_ABSOLUT_PATH}) + file(MD5 ${LZ4_ZIP_ABSOLUT_PATH} LZ4_MD5SUM_) + if (NOT ${LZ4_MD5SUM} STREQUAL ${LZ4_MD5SUM_}) + message(FATAL_ERROR "${LZ4_ZIP_ABSOLUT_PATH} seems be something wrong, please check") + endif() +else() + message(FATAL_ERROR "${LZ4_ZIP_ABSOLUT_PATH} seems be something wrong, please check") +endif() Review Comment: We can just fetch files and do not call `add_subdirectory` (do not use these cmake files in lz4), like in `lua.cmake`, so I think it has few difference than the manual way. -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: [email protected] For queries about this service, please contact Infrastructure at: [email protected]
