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Diffstat (limited to 'Modules/FindLibLZMA.cmake')
| -rw-r--r-- | Modules/FindLibLZMA.cmake | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/Modules/FindLibLZMA.cmake b/Modules/FindLibLZMA.cmake new file mode 100644 index 000000000..729f5ce73 --- /dev/null +++ b/Modules/FindLibLZMA.cmake @@ -0,0 +1,69 @@ +# - 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 "${LIBLZMA_INCLUDE_DIR}/lzma/version.h") + FILE(READ "${LIBLZMA_INCLUDE_DIR}/lzma/version.h" LIBLZMA_HEADER_CONTENTS) + + 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}") +ENDIF(LIBLZMA_INCLUDE_DIR AND EXISTS "${LIBLZMA_INCLUDE_DIR}/lzma/version.h") + +# We're using new code known now as XZ, even library still been called LZMA +# it can be found in http://tukaani.org/xz/ +# Avoid using old codebase +IF (LIBLZMA_LIBRARY) + INCLUDE(CheckLibraryExists) + CHECK_LIBRARY_EXISTS(${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 (LIBLZMA_LIBRARY) + +INCLUDE(FindPackageHandleStandardArgs) +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 (LIBLZMA_FOUND) + +MARK_AS_ADVANCED( LIBLZMA_INCLUDE_DIR LIBLZMA_LIBRARY ) |