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