1#*************************************************************************** 2# _ _ ____ _ 3# Project ___| | | | _ \| | 4# / __| | | | |_) | | 5# | (__| |_| | _ <| |___ 6# \___|\___/|_| \_\_____| 7# 8# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al. 9# 10# This software is licensed as described in the file COPYING, which 11# you should have received as part of this distribution. The terms 12# are also available at https://curl.se/docs/copyright.html. 13# 14# You may opt to use, copy, modify, merge, publish, distribute and/or sell 15# copies of the Software, and permit persons to whom the Software is 16# furnished to do so, under the terms of the COPYING file. 17# 18# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY 19# KIND, either express or implied. 20# 21# SPDX-License-Identifier: curl 22# 23########################################################################### 24# Find the zstd library 25# 26# Input variables: 27# 28# ZSTD_INCLUDE_DIR The zstd include directory 29# Zstd_INCLUDE_DIR The zstd include directory (deprecated) 30# ZSTD_LIBRARY Path to zstd library 31# Zstd_LIBRARY Path to zstd library (deprecated) 32# 33# Result variables: 34# 35# ZSTD_FOUND System has zstd 36# ZSTD_INCLUDE_DIRS The zstd include directories 37# ZSTD_LIBRARIES The zstd library names 38# ZSTD_VERSION Version of zstd 39 40if(DEFINED Zstd_INCLUDE_DIR AND NOT DEFINED ZSTD_INCLUDE_DIR) 41 message(WARNING "Zstd_INCLUDE_DIR is deprecated, use ZSTD_INCLUDE_DIR instead.") 42 set(ZSTD_INCLUDE_DIR "${Zstd_INCLUDE_DIR}") 43endif() 44if(DEFINED Zstd_LIBRARY AND NOT DEFINED ZSTD_LIBRARY) 45 message(WARNING "Zstd_LIBRARY is deprecated, use ZSTD_LIBRARY instead.") 46 set(ZSTD_LIBRARY "${Zstd_LIBRARY}") 47endif() 48 49if(CURL_USE_PKGCONFIG) 50 find_package(PkgConfig QUIET) 51 pkg_check_modules(PC_ZSTD "libzstd") 52endif() 53 54find_path(ZSTD_INCLUDE_DIR NAMES "zstd.h" 55 HINTS 56 ${PC_ZSTD_INCLUDEDIR} 57 ${PC_ZSTD_INCLUDE_DIRS} 58) 59 60find_library(ZSTD_LIBRARY NAMES "zstd" 61 HINTS 62 ${PC_ZSTD_LIBDIR} 63 ${PC_ZSTD_LIBRARY_DIRS} 64) 65 66if(PC_ZSTD_VERSION) 67 set(ZSTD_VERSION ${PC_ZSTD_VERSION}) 68elseif(ZSTD_INCLUDE_DIR AND EXISTS "${ZSTD_INCLUDE_DIR}/zstd.h") 69 set(_version_regex1 "#[\t ]*define[ \t]+ZSTD_VERSION_MAJOR[ \t]+([0-9]+).*") 70 set(_version_regex2 "#[\t ]*define[ \t]+ZSTD_VERSION_MINOR[ \t]+([0-9]+).*") 71 set(_version_regex3 "#[\t ]*define[ \t]+ZSTD_VERSION_RELEASE[ \t]+([0-9]+).*") 72 file(STRINGS "${ZSTD_INCLUDE_DIR}/zstd.h" _version_str1 REGEX "${_version_regex1}") 73 file(STRINGS "${ZSTD_INCLUDE_DIR}/zstd.h" _version_str2 REGEX "${_version_regex2}") 74 file(STRINGS "${ZSTD_INCLUDE_DIR}/zstd.h" _version_str3 REGEX "${_version_regex3}") 75 string(REGEX REPLACE "${_version_regex1}" "\\1" _version_str1 "${_version_str1}") 76 string(REGEX REPLACE "${_version_regex2}" "\\1" _version_str2 "${_version_str2}") 77 string(REGEX REPLACE "${_version_regex3}" "\\1" _version_str3 "${_version_str3}") 78 set(ZSTD_VERSION "${_version_str1}.${_version_str2}.${_version_str3}") 79 unset(_version_regex1) 80 unset(_version_regex2) 81 unset(_version_regex3) 82 unset(_version_str1) 83 unset(_version_str2) 84 unset(_version_str3) 85endif() 86 87include(FindPackageHandleStandardArgs) 88find_package_handle_standard_args(Zstd 89 REQUIRED_VARS 90 ZSTD_INCLUDE_DIR 91 ZSTD_LIBRARY 92 VERSION_VAR 93 ZSTD_VERSION 94) 95 96if(ZSTD_FOUND) 97 set(ZSTD_INCLUDE_DIRS ${ZSTD_INCLUDE_DIR}) 98 set(ZSTD_LIBRARIES ${ZSTD_LIBRARY}) 99endif() 100 101mark_as_advanced(ZSTD_INCLUDE_DIR ZSTD_LIBRARY) 102
