66 lines
2.8 KiB
CMake
66 lines
2.8 KiB
CMake
# Checks for LZMA codec support
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#
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# Copyright © 2015 Open Microscopy Environment / University of Dundee
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# Copyright © 2021 Roger Leigh <rleigh@codelibre.net>
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# Written by Roger Leigh <rleigh@codelibre.net>
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#
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# Permission to use, copy, modify, distribute, and sell this software and
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# its documentation for any purpose is hereby granted without fee, provided
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# that (i) the above copyright notices and this permission notice appear in
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# all copies of the software and related documentation, and (ii) the names of
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# Sam Leffler and Silicon Graphics may not be used in any advertising or
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# publicity relating to the software without the specific, prior written
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# permission of Sam Leffler and Silicon Graphics.
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#
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# THE SOFTWARE IS PROVIDED "AS-IS" AND WITHOUT WARRANTY OF ANY KIND,
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# EXPRESS, IMPLIED OR OTHERWISE, INCLUDING WITHOUT LIMITATION, ANY
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# WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.
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#
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# IN NO EVENT SHALL SAM LEFFLER OR SILICON GRAPHICS BE LIABLE FOR
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# ANY SPECIAL, INCIDENTAL, INDIRECT OR CONSEQUENTIAL DAMAGES OF ANY KIND,
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# OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS,
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# WHETHER OR NOT ADVISED OF THE POSSIBILITY OF DAMAGE, AND ON ANY THEORY OF
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# LIABILITY, ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE
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# OF THIS SOFTWARE.
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# libzstd
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set(ZSTD_SUPPORT FALSE)
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set(ZSTD_USABLE FALSE)
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find_package(ZSTD)
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if(ZSTD_FOUND)
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if(TARGET zstd::libzstd_shared)
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add_library(ZSTD::ZSTD INTERFACE IMPORTED)
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set_target_properties(ZSTD::ZSTD PROPERTIES INTERFACE_LINK_LIBRARIES "zstd::libzstd_shared")
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set(ZSTD_HAVE_DECOMPRESS_STREAM ON)
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elseif(TARGET zstd::libzstd_static)
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add_library(ZSTD::ZSTD INTERFACE IMPORTED)
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set_target_properties(ZSTD::ZSTD PROPRETIES INTERFACE_LINK_LIBRARIES "zstd::libzstd_static")
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set(ZSTD_HAVE_DECOMPRESS_STREAM ON)
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endif()
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if(NOT DEFINED ZSTD_HAVE_DECOMPRESS_STREAM)
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set(CMAKE_REQUIRED_INCLUDES_SAVE ${CMAKE_REQUIRED_INCLUDES})
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set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES} ${ZSTD_INCLUDE_DIRS})
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set(CMAKE_REQUIRED_LIBRARIES_SAVE ${CMAKE_REQUIRED_LIBRARIES})
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set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES} ${ZSTD_LIBRARIES})
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check_symbol_exists(ZSTD_decompressStream "zstd.h" ZSTD_HAVE_DECOMPRESS_STREAM)
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set(CMAKE_REQUIRED_INCLUDES ${CMAKE_REQUIRED_INCLUDES_SAVE})
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set(CMAKE_REQUIRED_LIBRARIES ${CMAKE_REQUIRED_LIBRARIES_SAVE})
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endif()
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set(ZSTD_RECENT_ENOUGH ${ZSTD_HAVE_DECOMPRESS_STREAM})
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if (ZSTD_RECENT_ENOUGH)
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set(ZSTD_USABLE TRUE)
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else()
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message(WARNING "Found ZSTD library, but not recent enough. Use zstd >= 1.0")
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endif()
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endif()
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option(zstd "use libzstd (required for ZSTD compression)" ${ZSTD_USABLE})
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if (zstd AND ZSTD_USABLE)
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set(ZSTD_SUPPORT TRUE)
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endif()
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