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# - 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_DEFINITIONS - Compiler switches required for using BZip2
# BZIP2_NEED_PREFIX - this is set if the functions are prefixed with BZ2_
# Copyright (c) 2006, Alexander Neundorf, <neundorf@kde.org>
#
# Redistribution and use is allowed according to the terms of the BSD license.
# For details see the accompanying COPYING-CMAKE-SCRIPTS file.
IF (BZIP2_INCLUDE_DIR AND BZIP2_LIBRARIES)
SET(BZip2_FIND_QUIETLY TRUE)
ENDIF (BZIP2_INCLUDE_DIR AND BZIP2_LIBRARIES)
FIND_PATH(BZIP2_INCLUDE_DIR bzlib.h )
FIND_LIBRARY(BZIP2_LIBRARIES NAMES bz2 bzip2 )
IF (BZIP2_INCLUDE_DIR AND BZIP2_LIBRARIES)
SET(BZIP2_FOUND TRUE)
INCLUDE(CheckLibraryExists)
CHECK_LIBRARY_EXISTS(${BZIP2_LIBRARIES} BZ2_bzCompressInit "" BZIP2_NEED_PREFIX)
ELSE (BZIP2_INCLUDE_DIR AND BZIP2_LIBRARIES)
SET(BZIP2_FOUND FALSE)
ENDIF (BZIP2_INCLUDE_DIR AND BZIP2_LIBRARIES)
IF (BZIP2_FOUND)
IF (NOT BZip2_FIND_QUIETLY)
MESSAGE(STATUS "Found BZip2: ${BZIP2_LIBRARIES}")
ENDIF (NOT BZip2_FIND_QUIETLY)
ELSE (BZIP2_FOUND)
IF (BZip2_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Could NOT find BZip2")
ENDIF (BZip2_FIND_REQUIRED)
ENDIF (BZIP2_FOUND)
MARK_AS_ADVANCED(BZIP2_INCLUDE_DIR BZIP2_LIBRARIES)
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