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annotate cmake/FindZSTD.cmake @ 313:dbfe05b88627

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cmake: bring back for good It's just too complicated to get portability done right using pure GNU make and since we're targeting more OSes than Linux we have to incorporate some portability bits.
author David Demelier <markand@malikania.fr>
date Wed, 22 Sep 2021 07:19:32 +0200
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children 764f65dfa46d
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313
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1 # FindZSTD
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2 # --------
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3 #
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4 # Find ZSTD library, this modules defines:
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5 #
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6 # ZSTD_INCLUDE_DIRS, where to find zstd.h
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7 # ZSTD_LIBRARIES, where to find library
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8 # ZSTD_FOUND, if it is found
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9 # ZSTD_EXE, path to zstd executable if found
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10 #
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11 # The following imported targets will be available:
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12 #
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13 # ZSTD::ZSTD, if found.
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14 # ZSTD::exe, alias to ZSTD_EXE
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15 #
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16
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17 find_path(ZSTD_INCLUDE_DIR NAMES zstd.h)
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18 find_library(ZSTD_LIBRARY NAMES libzstd zstd)
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19 find_program(ZSTD_EXE NAMES zstd)
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20
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21 include(FindPackageHandleStandardArgs)
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22
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23 find_package_handle_standard_args(
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24 ZSTD
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25 FOUND_VAR ZSTD_FOUND
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26 REQUIRED_VARS ZSTD_LIBRARY ZSTD_INCLUDE_DIR
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27 )
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28
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29 if (ZSTD_FOUND)
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30 set(ZSTD_LIBRARIES ${ZSTD_LIBRARY})
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31 set(ZSTD_INCLUDE_DIRS ${ZSTD_INCLUDE_DIR})
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32
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33 if (NOT TARGET ZSTD::ZSTD)
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34 add_library(ZSTD::ZSTD UNKNOWN IMPORTED)
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35 set_target_properties(
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36 ZSTD::ZSTD
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37 PROPERTIES
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38 IMPORTED_LINK_INTERFACE_LANGUAGES "C"
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39 IMPORTED_LOCATION "${ZSTD_LIBRARY}"
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40 INTERFACE_INCLUDE_DIRECTORIES "${ZSTD_INCLUDE_DIRS}"
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41 )
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42 endif ()
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43
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44 if (NOT TARGET ZSTD::exe)
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45 add_executable(ZSTD::exe IMPORTED GLOBAL)
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46 set_target_properties(ZSTD::exe PROPERTIES IMPORTED_LOCATION "${ZSTD_EXE}")
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47 endif ()
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48 endif ()
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49
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50 mark_as_advanced(ZSTD_INCLUDE_DIR ZSTD_LIBRARY)