| # Distributed under the OSI-approved BSD 3-Clause License. See accompanying |
| # file Copyright.txt or https://cmake.org/licensing for details. |
| |
| #.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") |
| |
| find_path(LIBLZMA_INCLUDE_DIR lzma.h ) |
| find_library(LIBLZMA_LIBRARY NAMES lzma liblzma) |
| |
| 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) |
| set(CMAKE_REQUIRED_QUIET_SAVE ${CMAKE_REQUIRED_QUIET}) |
| set(CMAKE_REQUIRED_QUIET ${LibLZMA_FIND_QUIETLY}) |
| CHECK_LIBRARY_EXISTS(${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) |
| set(CMAKE_REQUIRED_QUIET ${CMAKE_REQUIRED_QUIET_SAVE}) |
| endif () |
| |
| include(${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 ) |