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Diffstat (limited to 'tiff/cmake/FindLibLZMA.cmake')
-rw-r--r-- | tiff/cmake/FindLibLZMA.cmake | 126 |
1 files changed, 126 insertions, 0 deletions
diff --git a/tiff/cmake/FindLibLZMA.cmake b/tiff/cmake/FindLibLZMA.cmake new file mode 100644 index 00000000..3042bac9 --- /dev/null +++ b/tiff/cmake/FindLibLZMA.cmake @@ -0,0 +1,126 @@ +# Distributed under the OSI-approved BSD 3-Clause License. See accompanying +# file Copyright.txt or https://cmake.org/licensing for details. + +#[=======================================================================[.rst: +FindLibLZMA +----------- + +Find LZMA compression algorithm headers and library. + + +Imported Targets +^^^^^^^^^^^^^^^^ + +.. versionadded:: 3.14 + +This module defines :prop_tgt:`IMPORTED` target ``LibLZMA::LibLZMA``, if +liblzma has been found. + +Result variables +^^^^^^^^^^^^^^^^ + +This module will set the following variables in your project: + +``LIBLZMA_FOUND`` + True if liblzma headers and library were 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 ) +if(NOT LIBLZMA_LIBRARY) + find_library(LIBLZMA_LIBRARY_RELEASE NAMES lzma liblzma NAMES_PER_DIR PATH_SUFFIXES lib) + find_library(LIBLZMA_LIBRARY_DEBUG NAMES lzmad liblzmad NAMES_PER_DIR PATH_SUFFIXES lib) + include(SelectLibraryConfigurations) + select_library_configurations(LIBLZMA) +else() + file(TO_CMAKE_PATH "${LIBLZMA_LIBRARY}" LIBLZMA_LIBRARY) +endif() + +if(LIBLZMA_INCLUDE_DIR AND EXISTS "${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(CheckLibraryExists) + set(CMAKE_REQUIRED_QUIET_SAVE ${CMAKE_REQUIRED_QUIET}) + set(CMAKE_REQUIRED_QUIET ${LibLZMA_FIND_QUIETLY}) + if(NOT LIBLZMA_LIBRARY_RELEASE AND NOT LIBLZMA_LIBRARY_DEBUG) + set(LIBLZMA_LIBRARY_check ${LIBLZMA_LIBRARY}) + elseif(LIBLZMA_LIBRARY_RELEASE) + set(LIBLZMA_LIBRARY_check ${LIBLZMA_LIBRARY_RELEASE}) + elseif(LIBLZMA_LIBRARY_DEBUG) + set(LIBLZMA_LIBRARY_check ${LIBLZMA_LIBRARY_DEBUG}) + endif() + CHECK_LIBRARY_EXISTS(${LIBLZMA_LIBRARY_check} lzma_auto_decoder "" LIBLZMA_HAS_AUTO_DECODER) + CHECK_LIBRARY_EXISTS(${LIBLZMA_LIBRARY_check} lzma_easy_encoder "" LIBLZMA_HAS_EASY_ENCODER) + CHECK_LIBRARY_EXISTS(${LIBLZMA_LIBRARY_check} lzma_lzma_preset "" LIBLZMA_HAS_LZMA_PRESET) + unset(LIBLZMA_LIBRARY_check) + set(CMAKE_REQUIRED_QUIET ${CMAKE_REQUIRED_QUIET_SAVE}) +endif () + +include(FindPackageHandleStandardArgs) +find_package_handle_standard_args(LibLZMA REQUIRED_VARS LIBLZMA_LIBRARY + LIBLZMA_INCLUDE_DIR + LIBLZMA_HAS_AUTO_DECODER + LIBLZMA_HAS_EASY_ENCODER + LIBLZMA_HAS_LZMA_PRESET + VERSION_VAR LIBLZMA_VERSION_STRING + ) +mark_as_advanced( LIBLZMA_INCLUDE_DIR LIBLZMA_LIBRARY ) + +if (LIBLZMA_FOUND) + set(LIBLZMA_LIBRARIES ${LIBLZMA_LIBRARY}) + set(LIBLZMA_INCLUDE_DIRS ${LIBLZMA_INCLUDE_DIR}) + if(NOT TARGET LibLZMA::LibLZMA) + add_library(LibLZMA::LibLZMA UNKNOWN IMPORTED) + set_target_properties(LibLZMA::LibLZMA PROPERTIES + INTERFACE_INCLUDE_DIRECTORIES ${LIBLZMA_INCLUDE_DIR} + IMPORTED_LINK_INTERFACE_LANGUAGES C) + + if(LIBLZMA_LIBRARY_RELEASE) + set_property(TARGET LibLZMA::LibLZMA APPEND PROPERTY + IMPORTED_CONFIGURATIONS RELEASE) + set_target_properties(LibLZMA::LibLZMA PROPERTIES + IMPORTED_LOCATION_RELEASE "${LIBLZMA_LIBRARY_RELEASE}") + endif() + + if(LIBLZMA_LIBRARY_DEBUG) + set_property(TARGET LibLZMA::LibLZMA APPEND PROPERTY + IMPORTED_CONFIGURATIONS DEBUG) + set_target_properties(LibLZMA::LibLZMA PROPERTIES + IMPORTED_LOCATION_DEBUG "${LIBLZMA_LIBRARY_DEBUG}") + endif() + + if(NOT LIBLZMA_LIBRARY_RELEASE AND NOT LIBLZMA_LIBRARY_DEBUG) + set_target_properties(LibLZMA::LibLZMA PROPERTIES + IMPORTED_LOCATION "${LIBLZMA_LIBRARY}") + endif() + endif() +endif () |