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| 1 | +################################################################################ |
| 2 | +# Copyright (C) 2024 GSI Helmholtzzentrum fuer Schwerionenforschung GmbH # |
| 3 | +# # |
| 4 | +# This software is distributed under the terms of the # |
| 5 | +# GNU Lesser General Public Licence (LGPL) version 3, # |
| 6 | +# copied verbatim in the file "LICENSE" # |
| 7 | +################################################################################ |
| 8 | +#[=======================================================================[ |
| 9 | +FindZSTD |
| 10 | +----------- |
| 11 | +
|
| 12 | +Find ZSTD compression algorithm headers and library. |
| 13 | +
|
| 14 | +Result variables |
| 15 | +^^^^^^^^^^^^^^^^ |
| 16 | +
|
| 17 | +This module will set the following variables in your project: |
| 18 | +
|
| 19 | +``ZSTD_FOUND`` |
| 20 | + True if libzstd headers and library were found. |
| 21 | +``ZSTD_INCLUDE_DIR`` |
| 22 | + Directory where libzstd headers are located. |
| 23 | +``ZSTD_LIBRARY`` |
| 24 | + Zstd library to link against. |
| 25 | +``ZSTD_BINARY`` |
| 26 | + Zstd binary |
| 27 | +``ZSTD_VERSION`` |
| 28 | + the version of ZSTD found. |
| 29 | +#]=======================================================================] |
| 30 | + |
| 31 | +find_path(ZSTD_INCLUDE_DIR zstd.h) |
| 32 | + |
| 33 | +if(NOT ZSTD_LIBRARY) |
| 34 | + find_library(ZSTD_LIBRARY NAMES zstd lzstd libzstd NAMES_PER_DIR PATH_SUFFIXES lib) |
| 35 | +endif() |
| 36 | + |
| 37 | +if(NOT ZSTD_BINARY) |
| 38 | + find_program(ZSTD_BINARY NAMES zstd NAMES_PER_DIR PATH_SUFFIXES bin) |
| 39 | +endif() |
| 40 | + |
| 41 | +if(ZSTD_BINARY) |
| 42 | + execute_process(COMMAND ${ZSTD_BINARY} --version |
| 43 | + OUTPUT_VARIABLE zstd_version |
| 44 | + ) |
| 45 | + string(REGEX REPLACE "^.*([0-9]\\.[0-9]\\.[0-9])+.*" "\\1" zstd_version1 "${zstd_version}") |
| 46 | + set(ZSTD_VERSION "${zstd_version1}" CACHE STRING "ZSTD version info for Boost" FORCE) |
| 47 | +elseif(ZSTD_INCLUDE_DIR) |
| 48 | + file(READ ${ZSTD_INCLUDE_DIR}/zstd.h ZSTD_VERSION_INFO) |
| 49 | + string(REGEX REPLACE ".*#define[ ]+ZSTD_VERSION_MAJOR[ ]+([0-9]+).*" "\\1" ZSTD_VERSION_MAJOR "${ZSTD_VERSION_INFO}") |
| 50 | + string(REGEX REPLACE ".*#define[ ]+ZSTD_VERSION_MINOR[ ]+([0-9]+).*" "\\1" ZSTD_VERSION_MINOR "${ZSTD_VERSION_INFO}") |
| 51 | + string(REGEX REPLACE ".*#define[ ]+ZSTD_VERSION_RELEASE[ ]+([0-9]+).*" "\\1" ZSTD_VERSION_RELEASE "${ZSTD_VERSION_INFO}") |
| 52 | + set(ZSTD_VERSION "${ZSTD_VERSION_MAJOR}.${ZSTD_VERSION_MINOR}.${ZSTD_VERSION_RELEASE}" CACHE STRING "ZSTD version info for Boost" FORCE) |
| 53 | +endif() |
| 54 | + |
| 55 | +include(FindPackageHandleStandardArgs) |
| 56 | +find_package_handle_standard_args(ZSTD REQUIRED_VARS ZSTD_LIBRARY |
| 57 | + ZSTD_INCLUDE_DIR |
| 58 | + VERSION_VAR ZSTD_VERSION |
| 59 | + ) |
| 60 | +mark_as_advanced( ZSTD_INCLUDE_DIR ZSTD_LIBRARY ) |
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