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| # 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. | |
| if(lz4Alt_FOUND) | |
| return() | |
| endif() | |
| set(find_package_args) | |
| if(lz4Alt_FIND_VERSION) | |
| list(APPEND find_package_args ${lz4Alt_FIND_VERSION}) | |
| endif() | |
| if(lz4Alt_FIND_QUIETLY) | |
| list(APPEND find_package_args QUIET) | |
| endif() | |
| find_package(lz4 ${find_package_args}) | |
| if(lz4_FOUND) | |
| set(lz4Alt_FOUND TRUE) | |
| # Conan uses lz4::lz4 not LZ4::lz4 | |
| if(NOT TARGET LZ4::lz4 AND TARGET lz4::lz4) | |
| add_library(LZ4::lz4 ALIAS lz4::lz4) | |
| endif() | |
| return() | |
| endif() | |
| if(MSVC_TOOLCHAIN AND NOT DEFINED LZ4_MSVC_LIB_PREFIX) | |
| set(LZ4_MSVC_LIB_PREFIX "lib") | |
| endif() | |
| set(LZ4_LIB_NAME_BASE "${LZ4_MSVC_LIB_PREFIX}lz4") | |
| if(ARROW_LZ4_USE_SHARED) | |
| set(LZ4_LIB_NAMES) | |
| if(CMAKE_IMPORT_LIBRARY_SUFFIX) | |
| list(APPEND | |
| LZ4_LIB_NAMES | |
| "${CMAKE_IMPORT_LIBRARY_PREFIX}${LZ4_LIB_NAME_BASE}${CMAKE_IMPORT_LIBRARY_SUFFIX}" | |
| ) | |
| endif() | |
| list(APPEND LZ4_LIB_NAMES | |
| "${CMAKE_SHARED_LIBRARY_PREFIX}${LZ4_LIB_NAME_BASE}${CMAKE_SHARED_LIBRARY_SUFFIX}") | |
| else() | |
| if(MSVC AND NOT DEFINED LZ4_MSVC_STATIC_LIB_SUFFIX) | |
| set(LZ4_MSVC_STATIC_LIB_SUFFIX "_static") | |
| endif() | |
| set(LZ4_STATIC_LIB_SUFFIX "${LZ4_MSVC_STATIC_LIB_SUFFIX}${CMAKE_STATIC_LIBRARY_SUFFIX}") | |
| set(LZ4_LIB_NAMES | |
| "${CMAKE_STATIC_LIBRARY_PREFIX}${LZ4_LIB_NAME_BASE}${LZ4_STATIC_LIB_SUFFIX}") | |
| endif() | |
| if(LZ4_ROOT) | |
| find_library(LZ4_LIB | |
| NAMES ${LZ4_LIB_NAMES} | |
| PATHS ${LZ4_ROOT} | |
| PATH_SUFFIXES ${ARROW_LIBRARY_PATH_SUFFIXES} | |
| NO_DEFAULT_PATH) | |
| find_path(LZ4_INCLUDE_DIR | |
| NAMES lz4.h | |
| PATHS ${LZ4_ROOT} | |
| NO_DEFAULT_PATH | |
| PATH_SUFFIXES ${ARROW_INCLUDE_PATH_SUFFIXES}) | |
| else() | |
| find_package(PkgConfig QUIET) | |
| pkg_check_modules(LZ4_PC liblz4) | |
| if(LZ4_PC_FOUND) | |
| set(LZ4_INCLUDE_DIR "${LZ4_PC_INCLUDEDIR}") | |
| list(APPEND LZ4_PC_LIBRARY_DIRS "${LZ4_PC_LIBDIR}") | |
| find_library(LZ4_LIB | |
| NAMES ${LZ4_LIB_NAMES} | |
| PATHS ${LZ4_PC_LIBRARY_DIRS} | |
| NO_DEFAULT_PATH | |
| PATH_SUFFIXES ${ARROW_LIBRARY_PATH_SUFFIXES}) | |
| else() | |
| find_library(LZ4_LIB | |
| NAMES ${LZ4_LIB_NAMES} | |
| PATH_SUFFIXES ${ARROW_LIBRARY_PATH_SUFFIXES}) | |
| find_path(LZ4_INCLUDE_DIR | |
| NAMES lz4.h | |
| PATH_SUFFIXES ${ARROW_INCLUDE_PATH_SUFFIXES}) | |
| endif() | |
| endif() | |
| find_package_handle_standard_args(lz4Alt REQUIRED_VARS LZ4_LIB LZ4_INCLUDE_DIR) | |
| if(lz4Alt_FOUND) | |
| if(NOT TARGET LZ4::lz4) | |
| add_library(LZ4::lz4 UNKNOWN IMPORTED) | |
| set_target_properties(LZ4::lz4 | |
| PROPERTIES IMPORTED_LOCATION "${LZ4_LIB}" | |
| INTERFACE_INCLUDE_DIRECTORIES "${LZ4_INCLUDE_DIR}") | |
| endif() | |
| endif() | |