# - Try to find BZip2 # Once done this will define # # BZIP2_FOUND - system has BZip2 # BZIP2_INCLUDE_DIR - the BZip2 include directory # BZIP2_LIBRARIES - Link these to use BZip2 # BZIP2_NEED_PREFIX - this is set if the functions are prefixed with BZ2_ # BZIP2_VERSION_STRING - the version of BZip2 found (since CMake 2.8.8) #============================================================================= # Copyright 2006-2012 Kitware, Inc. # Copyright 2006 Alexander Neundorf <neundorf@kde.org> # Copyright 2012 Rolf Eike Beer <eike@sf-mail.de> # # 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(BZIP2_INCLUDE_DIR bzlib.h ) IF (NOT BZIP2_LIBRARIES) FIND_LIBRARY(BZIP2_LIBRARY_RELEASE NAMES bz2 bzip2 ) FIND_LIBRARY(BZIP2_LIBRARY_DEBUG NAMES bzip2d ) INCLUDE(${CMAKE_CURRENT_LIST_DIR}/SelectLibraryConfigurations.cmake) SELECT_LIBRARY_CONFIGURATIONS(BZIP2) ENDIF (NOT BZIP2_LIBRARIES) IF (BZIP2_INCLUDE_DIR AND EXISTS "${BZIP2_INCLUDE_DIR}/bzlib.h") FILE(STRINGS "${BZIP2_INCLUDE_DIR}/bzlib.h" BZLIB_H REGEX "bzip2/libbzip2 version [0-9]+\\.[^ ]+ of [0-9]+ ") STRING(REGEX REPLACE ".* bzip2/libbzip2 version ([0-9]+\\.[^ ]+) of [0-9]+ .*" "\\1" BZIP2_VERSION_STRING "${BZLIB_H}") ENDIF (BZIP2_INCLUDE_DIR AND EXISTS "${BZIP2_INCLUDE_DIR}/bzlib.h") # handle the QUIETLY and REQUIRED arguments and set BZip2_FOUND to TRUE if # all listed variables are TRUE INCLUDE(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake) FIND_PACKAGE_HANDLE_STANDARD_ARGS(BZip2 REQUIRED_VARS BZIP2_LIBRARIES BZIP2_INCLUDE_DIR VERSION_VAR BZIP2_VERSION_STRING) IF (BZIP2_FOUND) INCLUDE(CheckLibraryExists) CHECK_LIBRARY_EXISTS("${BZIP2_LIBRARIES}" BZ2_bzCompressInit "" BZIP2_NEED_PREFIX) ENDIF (BZIP2_FOUND) MARK_AS_ADVANCED(BZIP2_INCLUDE_DIR)