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# Searches for an installation of the bz2 library. On success, it sets the following variables:
#
# Bz2_FOUND Set to true to indicate the bz2 library was found
# Bz2_INCLUDE_DIRS The directory containing the header file bz2/bz2.h
# Bz2_LIBRARIES The libraries needed to use the bz2 library
#
# To specify an additional directory to search, set Bz2_ROOT.
#
# Author: Siddhartha Chaudhuri, 2009
#
# Look for the header, first in the user-specified location and then in the system locations
SET(Bz2_INCLUDE_DOC "The directory containing the header file bz2.h")
FIND_PATH(Bz2_INCLUDE_DIRS NAMES bz2.h bz2/bz2.h PATHS ${Bz2_ROOT} ${Bz2_ROOT}/include DOC ${Bz2_INCLUDE_DOC} NO_DEFAULT_PATH)
IF(NOT Bz2_INCLUDE_DIRS) # now look in system locations
FIND_PATH(Bz2_INCLUDE_DIRS NAMES bzlib.h DOC ${Bz2_INCLUDE_DOC})
ENDIF(NOT Bz2_INCLUDE_DIRS)
SET(Bz2_FOUND FALSE)
IF(Bz2_INCLUDE_DIRS)
SET(Bz2_LIBRARY_DIRS ${Bz2_INCLUDE_DIRS})
IF("${Bz2_LIBRARY_DIRS}" MATCHES "/include$")
# Strip off the trailing "/include" in the path.
GET_FILENAME_COMPONENT(Bz2_LIBRARY_DIRS ${Bz2_LIBRARY_DIRS} PATH)
ENDIF("${Bz2_LIBRARY_DIRS}" MATCHES "/include$")
IF(EXISTS "${Bz2_LIBRARY_DIRS}/lib")
SET(Bz2_LIBRARY_DIRS ${Bz2_LIBRARY_DIRS}/lib)
ENDIF(EXISTS "${Bz2_LIBRARY_DIRS}/lib")
# Find Bz2 libraries
FIND_LIBRARY(Bz2_DEBUG_LIBRARY NAMES bz2d bz2_d libbz2d libbz2_d libbz2
PATH_SUFFIXES Debug ${CMAKE_LIBRARY_ARCHITECTURE} ${CMAKE_LIBRARY_ARCHITECTURE}/Debug
PATHS ${Bz2_LIBRARY_DIRS} NO_DEFAULT_PATH)
FIND_LIBRARY(Bz2_RELEASE_LIBRARY NAMES bz2 libbz2
PATH_SUFFIXES Release ${CMAKE_LIBRARY_ARCHITECTURE} ${CMAKE_LIBRARY_ARCHITECTURE}/Release
PATHS ${Bz2_LIBRARY_DIRS} NO_DEFAULT_PATH)
SET(Bz2_LIBRARIES )
IF(Bz2_DEBUG_LIBRARY AND Bz2_RELEASE_LIBRARY)
SET(Bz2_LIBRARIES debug ${Bz2_DEBUG_LIBRARY} optimized ${Bz2_RELEASE_LIBRARY})
ELSEIF(Bz2_DEBUG_LIBRARY)
SET(Bz2_LIBRARIES ${Bz2_DEBUG_LIBRARY})
ELSEIF(Bz2_RELEASE_LIBRARY)
SET(Bz2_LIBRARIES ${Bz2_RELEASE_LIBRARY})
ENDIF(Bz2_DEBUG_LIBRARY AND Bz2_RELEASE_LIBRARY)
IF(Bz2_LIBRARIES)
SET(Bz2_FOUND TRUE)
ENDIF(Bz2_LIBRARIES)
ENDIF(Bz2_INCLUDE_DIRS)
IF(Bz2_FOUND)
# IF(NOT Bz2_FIND_QUIETLY)
MESSAGE(STATUS "Found Bz2: headers at ${Bz2_INCLUDE_DIRS}, libraries at ${Bz2_LIBRARY_DIRS}")
MESSAGE(STATUS " library is ${Bz2_LIBRARIES}")
# ENDIF(NOT Bz2_FIND_QUIETLY)
ELSE(Bz2_FOUND)
IF(Bz2_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Bz2 library not found")
ENDIF(Bz2_FIND_REQUIRED)
ENDIF(Bz2_FOUND)
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