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