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126 lines
5.2 KiB
CMake
126 lines
5.2 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#[=======================================================================[.rst:
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FindLibLZMA
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-----------
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Find LZMA compression algorithm headers and library.
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Imported Targets
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^^^^^^^^^^^^^^^^
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.. versionadded:: 3.14
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This module defines :prop_tgt:`IMPORTED` target ``LibLZMA::LibLZMA``, if
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liblzma has been found.
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Result variables
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^^^^^^^^^^^^^^^^
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This module will set the following variables in your project:
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``LIBLZMA_FOUND``
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True if liblzma headers and library were found.
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``LIBLZMA_INCLUDE_DIRS``
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Directory where liblzma headers are located.
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``LIBLZMA_LIBRARIES``
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Lzma libraries to link against.
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``LIBLZMA_HAS_AUTO_DECODER``
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True if lzma_auto_decoder() is found (required).
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``LIBLZMA_HAS_EASY_ENCODER``
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True if lzma_easy_encoder() is found (required).
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``LIBLZMA_HAS_LZMA_PRESET``
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True if lzma_lzma_preset() is found (required).
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``LIBLZMA_VERSION_MAJOR``
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The major version of lzma
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``LIBLZMA_VERSION_MINOR``
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The minor version of lzma
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``LIBLZMA_VERSION_PATCH``
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The patch version of lzma
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``LIBLZMA_VERSION_STRING``
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version number as a string (ex: "5.0.3")
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#]=======================================================================]
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find_path(LIBLZMA_INCLUDE_DIR lzma.h )
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if(NOT LIBLZMA_LIBRARY)
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find_library(LIBLZMA_LIBRARY_RELEASE NAMES lzma liblzma NAMES_PER_DIR PATH_SUFFIXES lib)
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find_library(LIBLZMA_LIBRARY_DEBUG NAMES lzmad liblzmad NAMES_PER_DIR PATH_SUFFIXES lib)
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include(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake)
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select_library_configurations(LIBLZMA)
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else()
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file(TO_CMAKE_PATH "${LIBLZMA_LIBRARY}" LIBLZMA_LIBRARY)
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endif()
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if(LIBLZMA_INCLUDE_DIR AND EXISTS "${LIBLZMA_INCLUDE_DIR}/lzma/version.h")
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file(STRINGS "${LIBLZMA_INCLUDE_DIR}/lzma/version.h" LIBLZMA_HEADER_CONTENTS REGEX "#define LZMA_VERSION_[A-Z]+ [0-9]+")
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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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unset(LIBLZMA_HEADER_CONTENTS)
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endif()
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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(${CMAKE_CURRENT_LIST_DIR}/CheckLibraryExists.cmake)
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set(CMAKE_REQUIRED_QUIET_SAVE ${CMAKE_REQUIRED_QUIET})
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set(CMAKE_REQUIRED_QUIET ${LibLZMA_FIND_QUIETLY})
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if(NOT LIBLZMA_LIBRARY_RELEASE AND NOT LIBLZMA_LIBRARY_DEBUG)
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set(LIBLZMA_LIBRARY_check ${LIBLZMA_LIBRARY})
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elseif(LIBLZMA_LIBRARY_RELEASE)
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set(LIBLZMA_LIBRARY_check ${LIBLZMA_LIBRARY_RELEASE})
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elseif(LIBLZMA_LIBRARY_DEBUG)
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set(LIBLZMA_LIBRARY_check ${LIBLZMA_LIBRARY_DEBUG})
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endif()
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CHECK_LIBRARY_EXISTS(${LIBLZMA_LIBRARY_check} lzma_auto_decoder "" LIBLZMA_HAS_AUTO_DECODER)
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CHECK_LIBRARY_EXISTS(${LIBLZMA_LIBRARY_check} lzma_easy_encoder "" LIBLZMA_HAS_EASY_ENCODER)
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CHECK_LIBRARY_EXISTS(${LIBLZMA_LIBRARY_check} lzma_lzma_preset "" LIBLZMA_HAS_LZMA_PRESET)
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unset(LIBLZMA_LIBRARY_check)
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set(CMAKE_REQUIRED_QUIET ${CMAKE_REQUIRED_QUIET_SAVE})
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endif ()
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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find_package_handle_standard_args(LibLZMA REQUIRED_VARS LIBLZMA_LIBRARY
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LIBLZMA_INCLUDE_DIR
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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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mark_as_advanced( LIBLZMA_INCLUDE_DIR LIBLZMA_LIBRARY )
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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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if(NOT TARGET LibLZMA::LibLZMA)
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add_library(LibLZMA::LibLZMA UNKNOWN IMPORTED)
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set_target_properties(LibLZMA::LibLZMA PROPERTIES
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INTERFACE_INCLUDE_DIRECTORIES ${LIBLZMA_INCLUDE_DIR}
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IMPORTED_LINK_INTERFACE_LANGUAGES C)
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if(LIBLZMA_LIBRARY_RELEASE)
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set_property(TARGET LibLZMA::LibLZMA APPEND PROPERTY
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IMPORTED_CONFIGURATIONS RELEASE)
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set_target_properties(LibLZMA::LibLZMA PROPERTIES
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IMPORTED_LOCATION_RELEASE "${LIBLZMA_LIBRARY_RELEASE}")
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endif()
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if(LIBLZMA_LIBRARY_DEBUG)
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set_property(TARGET LibLZMA::LibLZMA APPEND PROPERTY
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IMPORTED_CONFIGURATIONS DEBUG)
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set_target_properties(LibLZMA::LibLZMA PROPERTIES
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IMPORTED_LOCATION_DEBUG "${LIBLZMA_LIBRARY_DEBUG}")
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endif()
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if(NOT LIBLZMA_LIBRARY_RELEASE AND NOT LIBLZMA_LIBRARY_DEBUG)
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set_target_properties(LibLZMA::LibLZMA PROPERTIES
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IMPORTED_LOCATION "${LIBLZMA_LIBRARY}")
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endif()
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endif()
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endif ()
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