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authorMario Bensi <mbensi@ipsquad.net>2012-05-31 06:47:10 (GMT)
committerBrad King <brad.king@kitware.com>2012-05-31 13:10:38 (GMT)
commitee26019bd433020b8aad3c3a70bcb537e03b04ba (patch)
treea72bde12a4d4ffdaf6bdb71c13528b81911ac799 /Modules/FindLibLZMA.cmake
parentf1eee26be3252e7486a54f219ef8b5e345120fc5 (diff)
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Add FindLibLZMA Module
Diffstat (limited to 'Modules/FindLibLZMA.cmake')
-rw-r--r--Modules/FindLibLZMA.cmake69
1 files changed, 69 insertions, 0 deletions
diff --git a/Modules/FindLibLZMA.cmake b/Modules/FindLibLZMA.cmake
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+# - 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 )