70 lines
3.5 KiB
CMake
70 lines
3.5 KiB
CMake
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# - Find LibLZMA
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# Find LibLZMA headers and library
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#
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# LIBLZMA_FOUND - True if liblzma is found.
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# LIBLZMA_INCLUDE_DIRS - Directory where liblzma headers are located.
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# LIBLZMA_LIBRARIES - Lzma libraries to link against.
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# LIBLZMA_HAS_AUTO_DECODER - True if lzma_auto_decoder() is found (required).
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# LIBLZMA_HAS_EASY_ENCODER - True if lzma_easy_encoder() is found (required).
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# LIBLZMA_HAS_LZMA_PRESET - True if lzma_lzma_preset() is found (required).
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# LIBLZMA_VERSION_MAJOR - The major version of lzma
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# LIBLZMA_VERSION_MINOR - The minor version of lzma
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# LIBLZMA_VERSION_PATCH - The patch version of lzma
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# LIBLZMA_VERSION_STRING - version number as a string (ex: "5.0.3")
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#=============================================================================
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# Copyright 2008 Per Øyvind Karlsen <peroyvind@mandriva.org>
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# Copyright 2009 Alexander Neundorf <neundorf@kde.org>
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# Copyright 2009 Helio Chissini de Castro <helio@kde.org>
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# Copyright 2012 Mario Bensi <mbensi@ipsquad.net>
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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FIND_PATH(LIBLZMA_INCLUDE_DIR lzma.h )
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FIND_LIBRARY(LIBLZMA_LIBRARY lzma)
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IF(LIBLZMA_INCLUDE_DIR AND EXISTS "${LIBLZMA_INCLUDE_DIR}/lzma/version.h")
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FILE(READ "${LIBLZMA_INCLUDE_DIR}/lzma/version.h" LIBLZMA_HEADER_CONTENTS)
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STRING(REGEX REPLACE ".*#define LZMA_VERSION_MAJOR ([0-9]+).*" "\\1" LIBLZMA_VERSION_MAJOR "${LIBLZMA_HEADER_CONTENTS}")
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STRING(REGEX REPLACE ".*#define LZMA_VERSION_MINOR ([0-9]+).*" "\\1" LIBLZMA_VERSION_MINOR "${LIBLZMA_HEADER_CONTENTS}")
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STRING(REGEX REPLACE ".*#define LZMA_VERSION_PATCH ([0-9]+).*" "\\1" LIBLZMA_VERSION_PATCH "${LIBLZMA_HEADER_CONTENTS}")
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SET(LIBLZMA_VERSION_STRING "${LIBLZMA_VERSION_MAJOR}.${LIBLZMA_VERSION_MINOR}.${LIBLZMA_VERSION_PATCH}")
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ENDIF(LIBLZMA_INCLUDE_DIR AND EXISTS "${LIBLZMA_INCLUDE_DIR}/lzma/version.h")
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# We're using new code known now as XZ, even library still been called LZMA
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# it can be found in http://tukaani.org/xz/
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# Avoid using old codebase
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IF (LIBLZMA_LIBRARY)
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INCLUDE(CheckLibraryExists)
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CHECK_LIBRARY_EXISTS(${LIBLZMA_LIBRARY} lzma_auto_decoder "" LIBLZMA_HAS_AUTO_DECODER)
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CHECK_LIBRARY_EXISTS(${LIBLZMA_LIBRARY} lzma_easy_encoder "" LIBLZMA_HAS_EASY_ENCODER)
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CHECK_LIBRARY_EXISTS(${LIBLZMA_LIBRARY} lzma_lzma_preset "" LIBLZMA_HAS_LZMA_PRESET)
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ENDIF (LIBLZMA_LIBRARY)
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INCLUDE(FindPackageHandleStandardArgs)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(LibLZMA REQUIRED_VARS LIBLZMA_INCLUDE_DIR
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LIBLZMA_LIBRARY
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LIBLZMA_HAS_AUTO_DECODER
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LIBLZMA_HAS_EASY_ENCODER
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LIBLZMA_HAS_LZMA_PRESET
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VERSION_VAR LIBLZMA_VERSION_STRING
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)
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IF (LIBLZMA_FOUND)
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SET(LIBLZMA_LIBRARIES ${LIBLZMA_LIBRARY})
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SET(LIBLZMA_INCLUDE_DIRS ${LIBLZMA_INCLUDE_DIR})
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ENDIF (LIBLZMA_FOUND)
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MARK_AS_ADVANCED( LIBLZMA_INCLUDE_DIR LIBLZMA_LIBRARY )
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