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# - Find expat
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# Find the native EXPAT headers and libraries.
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#
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# EXPAT_INCLUDE_DIRS - where to find expat.h, etc.
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# EXPAT_LIBRARIES - List of libraries when using expat.
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# EXPAT_FOUND - True if expat found.
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#=============================================================================
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# Copyright 2006-2009 Kitware, Inc.
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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# Look for the header file.
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FIND_PATH(EXPAT_INCLUDE_DIR NAMES expat.h)
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# Look for the library.
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FIND_LIBRARY(EXPAT_LIBRARY NAMES expat libexpat)
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if (EXPAT_INCLUDE_DIR AND EXISTS "${EXPAT_INCLUDE_DIR}/expat.h")
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file(STRINGS "${EXPAT_INCLUDE_DIR}/expat.h" expat_version_str
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REGEX "^#[\t ]*define[\t ]+XML_(MAJOR|MINOR|MICRO)_VERSION[\t ]+[0-9]+$")
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unset(EXPAT_VERSION_STRING)
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foreach(VPART MAJOR MINOR MICRO)
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foreach(VLINE ${expat_version_str})
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if(VLINE MATCHES "^#[\t ]*define[\t ]+XML_${VPART}_VERSION")
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string(REGEX REPLACE "^#[\t ]*define[\t ]+XML_${VPART}_VERSION[\t ]+([0-9]+)$" "\\1"
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EXPAT_VERSION_PART "${VLINE}")
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if(EXPAT_VERSION_STRING)
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set(EXPAT_VERSION_STRING "${EXPAT_VERSION_STRING}.${EXPAT_VERSION_PART}")
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else(EXPAT_VERSION_STRING)
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set(EXPAT_VERSION_STRING "${EXPAT_VERSION_PART}")
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endif(EXPAT_VERSION_STRING)
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endif()
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endforeach(VLINE)
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endforeach(VPART)
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endif (EXPAT_INCLUDE_DIR AND EXISTS "${EXPAT_INCLUDE_DIR}/expat.h")
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# handle the QUIETLY and REQUIRED arguments and set EXPAT_FOUND to TRUE if
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# all listed variables are TRUE
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INCLUDE(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(EXPAT
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REQUIRED_VARS EXPAT_LIBRARY EXPAT_INCLUDE_DIR
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VERSION_VAR EXPAT_VERSION_STRING)
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# Copy the results to the output variables.
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IF(EXPAT_FOUND)
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SET(EXPAT_LIBRARIES ${EXPAT_LIBRARY})
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SET(EXPAT_INCLUDE_DIRS ${EXPAT_INCLUDE_DIR})
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ENDIF(EXPAT_FOUND)
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MARK_AS_ADVANCED(EXPAT_INCLUDE_DIR EXPAT_LIBRARY)
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