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 25#[=======================================================================[.rst: 26FindZstd 27---------- 28 29Find the zstd library 30 31Result Variables 32^^^^^^^^^^^^^^^^ 33 34``Zstd_FOUND`` 35 System has zstd 36``Zstd_INCLUDE_DIRS`` 37 The zstd include directories. 38``Zstd_LIBRARIES`` 39 The libraries needed to use zstd 40#]=======================================================================] 41 42if(UNIX) 43 find_package(PkgConfig QUIET) 44 pkg_search_module(PC_Zstd libzstd) 45endif() 46 47find_path(Zstd_INCLUDE_DIR zstd.h 48 HINTS 49 ${PC_Zstd_INCLUDEDIR} 50 ${PC_Zstd_INCLUDE_DIRS} 51) 52 53find_library(Zstd_LIBRARY NAMES zstd 54 HINTS 55 ${PC_Zstd_LIBDIR} 56 ${PC_Zstd_LIBRARY_DIRS} 57) 58 59if(Zstd_INCLUDE_DIR) 60 file(READ "${Zstd_INCLUDE_DIR}/zstd.h" _zstd_header) 61 string(REGEX MATCH ".*define ZSTD_VERSION_MAJOR *([0-9]+).*define ZSTD_VERSION_MINOR *([0-9]+).*define ZSTD_VERSION_RELEASE *([0-9]+)" _zstd_ver "${_zstd_header}") 62 set(Zstd_VERSION "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}.${CMAKE_MATCH_3}") 63endif() 64 65include(FindPackageHandleStandardArgs) 66find_package_handle_standard_args(Zstd 67 REQUIRED_VARS 68 Zstd_LIBRARY 69 Zstd_INCLUDE_DIR 70 VERSION_VAR Zstd_VERSION 71) 72 73if(Zstd_FOUND) 74 set(Zstd_LIBRARIES ${Zstd_LIBRARY}) 75 set(Zstd_INCLUDE_DIRS ${Zstd_INCLUDE_DIR}) 76endif() 77 78mark_as_advanced(Zstd_INCLUDE_DIRS Zstd_LIBRARIES) 79