mirror of
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3e60f174ee
- add `NAMES` where missing. - document input variables (including deprecated ones.) - comment cleanups. - FindWolfSSL: drop stray `QUIET` from `pkg_check_modules()`. (`QUIET` may be re-added for all modules in the future.) Closes #14579
102 lines
3.5 KiB
CMake
102 lines
3.5 KiB
CMake
#***************************************************************************
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# _ _ ____ _
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# Project ___| | | | _ \| |
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# / __| | | | |_) | |
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# | (__| |_| | _ <| |___
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# \___|\___/|_| \_\_____|
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#
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# Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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#
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# This software is licensed as described in the file COPYING, which
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# you should have received as part of this distribution. The terms
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# are also available at https://curl.se/docs/copyright.html.
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#
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# You may opt to use, copy, modify, merge, publish, distribute and/or sell
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# copies of the Software, and permit persons to whom the Software is
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# furnished to do so, under the terms of the COPYING file.
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#
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# This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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# KIND, either express or implied.
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#
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# SPDX-License-Identifier: curl
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#
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###########################################################################
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# Find the zstd library
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#
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# Input variables:
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#
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# ZSTD_INCLUDE_DIR The zstd include directory
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# Zstd_INCLUDE_DIR The zstd include directory (deprecated)
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# ZSTD_LIBRARY Path to zstd library
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# Zstd_LIBRARY Path to zstd library (deprecated)
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#
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# Result variables:
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#
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# ZSTD_FOUND System has zstd
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# ZSTD_INCLUDE_DIRS The zstd include directories
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# ZSTD_LIBRARIES The zstd library names
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# ZSTD_VERSION Version of zstd
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if(DEFINED Zstd_INCLUDE_DIR AND NOT DEFINED ZSTD_INCLUDE_DIR)
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message(WARNING "Zstd_INCLUDE_DIR is deprecated, use ZSTD_INCLUDE_DIR instead.")
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set(ZSTD_INCLUDE_DIR "${Zstd_INCLUDE_DIR}")
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endif()
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if(DEFINED Zstd_LIBRARY AND NOT DEFINED ZSTD_LIBRARY)
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message(WARNING "Zstd_LIBRARY is deprecated, use ZSTD_LIBRARY instead.")
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set(ZSTD_LIBRARY "${Zstd_LIBRARY}")
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endif()
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if(CURL_USE_PKGCONFIG)
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find_package(PkgConfig QUIET)
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pkg_check_modules(PC_ZSTD "libzstd")
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endif()
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find_path(ZSTD_INCLUDE_DIR NAMES "zstd.h"
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HINTS
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${PC_ZSTD_INCLUDEDIR}
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${PC_ZSTD_INCLUDE_DIRS}
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)
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find_library(ZSTD_LIBRARY NAMES "zstd"
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HINTS
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${PC_ZSTD_LIBDIR}
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${PC_ZSTD_LIBRARY_DIRS}
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)
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if(PC_ZSTD_VERSION)
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set(ZSTD_VERSION ${PC_ZSTD_VERSION})
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elseif(ZSTD_INCLUDE_DIR AND EXISTS "${ZSTD_INCLUDE_DIR}/zstd.h")
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set(_version_regex1 "#[\t ]*define[ \t]+ZSTD_VERSION_MAJOR[ \t]+([0-9]+).*")
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set(_version_regex2 "#[\t ]*define[ \t]+ZSTD_VERSION_MINOR[ \t]+([0-9]+).*")
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set(_version_regex3 "#[\t ]*define[ \t]+ZSTD_VERSION_RELEASE[ \t]+([0-9]+).*")
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file(STRINGS "${ZSTD_INCLUDE_DIR}/zstd.h" _version_str1 REGEX "${_version_regex1}")
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file(STRINGS "${ZSTD_INCLUDE_DIR}/zstd.h" _version_str2 REGEX "${_version_regex2}")
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file(STRINGS "${ZSTD_INCLUDE_DIR}/zstd.h" _version_str3 REGEX "${_version_regex3}")
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string(REGEX REPLACE "${_version_regex1}" "\\1" _version_str1 "${_version_str1}")
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string(REGEX REPLACE "${_version_regex2}" "\\1" _version_str2 "${_version_str2}")
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string(REGEX REPLACE "${_version_regex3}" "\\1" _version_str3 "${_version_str3}")
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set(ZSTD_VERSION "${_version_str1}.${_version_str2}.${_version_str3}")
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unset(_version_regex1)
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unset(_version_regex2)
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unset(_version_regex3)
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unset(_version_str1)
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unset(_version_str2)
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unset(_version_str3)
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endif()
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include(FindPackageHandleStandardArgs)
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find_package_handle_standard_args(Zstd
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REQUIRED_VARS
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ZSTD_INCLUDE_DIR
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ZSTD_LIBRARY
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VERSION_VAR
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ZSTD_VERSION
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)
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if(ZSTD_FOUND)
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set(ZSTD_INCLUDE_DIRS ${ZSTD_INCLUDE_DIR})
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set(ZSTD_LIBRARIES ${ZSTD_LIBRARY})
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endif()
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mark_as_advanced(ZSTD_INCLUDE_DIR ZSTD_LIBRARY)
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