| # 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. |
| |
| # ZSTD_HOME environmental variable is used to check for Zstd headers and static library |
| |
| # ZSTD_INCLUDE_DIR: directory containing headers |
| # ZSTD_LIBRARY: path to libzstd |
| # ZSTD_STATIC_LIB: path to libzstd.a |
| # ZSTD_FOUND: whether zstd has been found |
| |
| if (NOT ZSTD_HOME) |
| if (DEFINED ENV{ZSTD_HOME}) |
| set (ZSTD_HOME "$ENV{ZSTD_HOME}") |
| elseif (ZSTD_ROOT) |
| set (ZSTD_HOME "${ZSTD_ROOT}") |
| elseif (DEFINED ENV{ZSTD_ROOT}) |
| set (ZSTD_HOME "$ENV{ZSTD_ROOT}") |
| endif () |
| endif () |
| |
| if( NOT "${ZSTD_HOME}" STREQUAL "") |
| file (TO_CMAKE_PATH "${ZSTD_HOME}" _zstd_path) |
| endif() |
| |
| message (STATUS "ZSTD_HOME: ${ZSTD_HOME}") |
| |
| find_path (ZSTD_INCLUDE_DIR zstd.h HINTS |
| ${_zstd_path} |
| NO_DEFAULT_PATH |
| PATH_SUFFIXES "include") |
| |
| find_library (ZSTD_LIBRARY NAMES zstd HINTS |
| ${_zstd_path} |
| PATH_SUFFIXES "lib") |
| |
| find_library (ZSTD_STATIC_LIB NAMES ${CMAKE_STATIC_LIBRARY_PREFIX}zstd${CMAKE_STATIC_LIBRARY_SUFFIX} HINTS |
| ${_zstd_path} |
| PATH_SUFFIXES "lib") |
| |
| if (ZSTD_INCLUDE_DIR AND ZSTD_LIBRARY) |
| set (ZSTD_FOUND TRUE) |
| set (ZSTD_HEADER_NAME zstd.h) |
| set (ZSTD_HEADER ${ZSTD_INCLUDE_DIR}/${ZSTD_HEADER_NAME}) |
| else () |
| set (ZSTD_FOUND FALSE) |
| endif () |
| |
| if (ZSTD_FOUND) |
| message (STATUS "Found the zstd header: ${ZSTD_HEADER}") |
| message (STATUS "Found the zstd library: ${ZSTD_LIBRARY}") |
| if (ZSTD_STATIC_LIB) |
| message (STATUS "Found the zstd static library: ${ZSTD_STATIC_LIB}") |
| endif () |
| else() |
| if (_zstd_path) |
| set (ZSTD_ERR_MSG "Could not find zstd. Looked in ${_zstd_path}.") |
| else () |
| set (ZSTD_ERR_MSG "Could not find zstd in system search paths.") |
| endif() |
| |
| if (ZSTD_FIND_REQUIRED) |
| message (FATAL_ERROR "${ZSTD_ERR_MSG}") |
| else () |
| message (STATUS "${ZSTD_ERR_MSG}") |
| endif () |
| endif() |
| |
| mark_as_advanced ( |
| ZSTD_INCLUDE_DIR |
| ZSTD_STATIC_LIB |
| ZSTD_LIBRARY |
| ) |
| |
| if(ZSTD_FOUND) |
| if(NOT TARGET zstd::libzstd_static AND ${ZSTD_STATIC_LIB}) |
| add_library(zstd::libzstd_static STATIC IMPORTED) |
| set_target_properties(zstd::libzstd_static |
| PROPERTIES IMPORTED_LOCATION "${ZSTD_STATIC_LIB}" |
| INTERFACE_INCLUDE_DIRECTORIES "${ZSTD_INCLUDE_DIR}") |
| endif() |
| if(NOT TARGET zstd::libzstd_shared AND NOT ${ZSTD_STATIC_LIB}) |
| add_library(zstd::libzstd_shared SHARED IMPORTED) |
| set_target_properties(zstd::libzstd_shared |
| PROPERTIES IMPORTED_LOCATION "${ZSTD_LIBRARY}" |
| INTERFACE_INCLUDE_DIRECTORIES "${ZSTD_INCLUDE_DIR}") |
| endif() |
| endif() |