curl/CMake/FindZstd.cmake

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2.3 KiB
CMake

#***************************************************************************
# _ _ ____ _
# Project ___| | | | _ \| |
# / __| | | | |_) | |
# | (__| |_| | _ <| |___
# \___|\___/|_| \_\_____|
#
# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
#
# This software is licensed as described in the file COPYING, which
# you should have received as part of this distribution. The terms
# are also available at https://curl.se/docs/copyright.html.
#
# You may opt to use, copy, modify, merge, publish, distribute and/or sell
# copies of the Software, and permit persons to whom the Software is
# furnished to do so, under the terms of the COPYING file.
#
# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
# KIND, either express or implied.
#
# SPDX-License-Identifier: curl
#
###########################################################################
#[=======================================================================[.rst:
FindZstd
----------
Find the zstd library
Result Variables
^^^^^^^^^^^^^^^^
``Zstd_FOUND``
System has zstd
``Zstd_INCLUDE_DIRS``
The zstd include directories.
``Zstd_LIBRARIES``
The libraries needed to use zstd
#]=======================================================================]
if(UNIX)
find_package(PkgConfig QUIET)
pkg_search_module(PC_Zstd libzstd)
endif()
find_path(Zstd_INCLUDE_DIR zstd.h
HINTS
${PC_Zstd_INCLUDEDIR}
${PC_Zstd_INCLUDE_DIRS}
)
find_library(Zstd_LIBRARY NAMES zstd
HINTS
${PC_Zstd_LIBDIR}
${PC_Zstd_LIBRARY_DIRS}
)
if(Zstd_INCLUDE_DIR)
file(READ "${Zstd_INCLUDE_DIR}/zstd.h" _zstd_header)
string(REGEX MATCH ".*define ZSTD_VERSION_MAJOR *([0-9]+).*define ZSTD_VERSION_MINOR *([0-9]+).*define ZSTD_VERSION_RELEASE *([0-9]+)" _zstd_ver "${_zstd_header}")
set(Zstd_VERSION "${CMAKE_MATCH_1}.${CMAKE_MATCH_2}.${CMAKE_MATCH_3}")
endif()
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Zstd
REQUIRED_VARS
Zstd_LIBRARY
Zstd_INCLUDE_DIR
VERSION_VAR Zstd_VERSION
)
if(Zstd_FOUND)
set(Zstd_LIBRARIES ${Zstd_LIBRARY})
set(Zstd_INCLUDE_DIRS ${Zstd_INCLUDE_DIR})
endif()
mark_as_advanced(Zstd_INCLUDE_DIRS Zstd_LIBRARIES)