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# Searches for an installation of the bzip2 library. On success, it sets the following variables:
#
# Bzip2_FOUND Set to true to indicate the bzip2 library was found
# Bzip2_INCLUDE_DIRS The directory containing the header file bzip2/bzip2.h
# Bzip2_LIBRARIES The libraries needed to use the bzip2 library
#
# To specify an additional directory to search, set Bzip2_ROOT.
#
# Author: Siddhartha Chaudhuri, 2009
#
# Look for the header, first in the user-specified location and then in the system locations
SET(Bzip2_INCLUDE_DOC "The directory containing the header file bzip2.h")
FIND_PATH(Bzip2_INCLUDE_DIRS NAMES bzip2.h bzip2/bzip2.h PATHS ${Bzip2_ROOT} ${Bzip2_ROOT}/include DOC ${Bzip2_INCLUDE_DOC} NO_DEFAULT_PATH)
IF(NOT Bzip2_INCLUDE_DIRS) # now look in system locations
FIND_PATH(Bzip2_INCLUDE_DIRS NAMES bzlib.h DOC ${Bzip2_INCLUDE_DOC})
ENDIF(NOT Bzip2_INCLUDE_DIRS)
SET(Bzip2_FOUND FALSE)
IF(Bzip2_INCLUDE_DIRS)
SET(Bzip2_LIBRARY_DIRS ${Bzip2_INCLUDE_DIRS})
IF("${Bzip2_LIBRARY_DIRS}" MATCHES "/include$")
# Strip off the trailing "/include" in the path.
GET_FILENAME_COMPONENT(Bzip2_LIBRARY_DIRS ${Bzip2_LIBRARY_DIRS} PATH)
ENDIF("${Bzip2_LIBRARY_DIRS}" MATCHES "/include$")
IF(EXISTS "${Bzip2_LIBRARY_DIRS}/lib")
SET(Bzip2_LIBRARY_DIRS ${Bzip2_LIBRARY_DIRS}/lib)
ENDIF(EXISTS "${Bzip2_LIBRARY_DIRS}/lib")
# Find Bzip2 libraries
FIND_LIBRARY(Bzip2_DEBUG_LIBRARY NAMES bzip2d bzip2_d libbzip2d libbzip2_d libbzip2
PATH_SUFFIXES Debug ${CMAKE_LIBRARY_ARCHITECTURE} ${CMAKE_LIBRARY_ARCHITECTURE}/Debug
PATHS ${Bzip2_LIBRARY_DIRS} NO_DEFAULT_PATH)
FIND_LIBRARY(Bzip2_RELEASE_LIBRARY NAMES bzip2 libbzip2
PATH_SUFFIXES Release ${CMAKE_LIBRARY_ARCHITECTURE} ${CMAKE_LIBRARY_ARCHITECTURE}/Release
PATHS ${Bzip2_LIBRARY_DIRS} NO_DEFAULT_PATH)
SET(Bzip2_LIBRARIES )
IF(Bzip2_DEBUG_LIBRARY AND Bzip2_RELEASE_LIBRARY)
SET(Bzip2_LIBRARIES debug ${Bzip2_DEBUG_LIBRARY} optimized ${Bzip2_RELEASE_LIBRARY})
ELSEIF(Bzip2_DEBUG_LIBRARY)
SET(Bzip2_LIBRARIES ${Bzip2_DEBUG_LIBRARY})
ELSEIF(Bzip2_RELEASE_LIBRARY)
SET(Bzip2_LIBRARIES ${Bzip2_RELEASE_LIBRARY})
ENDIF(Bzip2_DEBUG_LIBRARY AND Bzip2_RELEASE_LIBRARY)
IF(Bzip2_LIBRARIES)
SET(Bzip2_FOUND TRUE)
ENDIF(Bzip2_LIBRARIES)
ENDIF(Bzip2_INCLUDE_DIRS)
IF(Bzip2_FOUND)
# IF(NOT Bzip2_FIND_QUIETLY)
MESSAGE(STATUS "Found Bzip2: headers at ${Bzip2_INCLUDE_DIRS}, libraries at ${Bzip2_LIBRARY_DIRS}")
MESSAGE(STATUS " library is ${Bzip2_LIBRARIES}")
# ENDIF(NOT Bzip2_FIND_QUIETLY)
ELSE(Bzip2_FOUND)
IF(Bzip2_FIND_REQUIRED)
MESSAGE(FATAL_ERROR "Bzip2 library not found")
ENDIF(Bzip2_FIND_REQUIRED)
ENDIF(Bzip2_FOUND)
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