61 lines
2.0 KiB
CMake
61 lines
2.0 KiB
CMake
# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
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# file Copyright.txt or https://cmake.org/licensing for details.
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#.rst:
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# FindEXPAT
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# ---------
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#
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# Find expat
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#
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# Find the native EXPAT headers and libraries.
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#
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# ::
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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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find_package(PkgConfig QUIET)
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pkg_check_modules(PC_EXPAT QUIET expat)
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# Look for the header file.
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find_path(EXPAT_INCLUDE_DIR NAMES expat.h HINTS ${PC_EXPAT_INCLUDE_DIRS})
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# Look for the library.
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find_library(EXPAT_LIBRARY NAMES expat libexpat HINTS ${PC_EXPAT_LIBRARY_DIRS})
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if (EXPAT_INCLUDE_DIR AND EXISTS "${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[\t ]+([0-9]+)$")
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set(EXPAT_VERSION_PART "${CMAKE_MATCH_1}")
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if(EXPAT_VERSION_STRING)
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string(APPEND EXPAT_VERSION_STRING ".${EXPAT_VERSION_PART}")
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else()
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set(EXPAT_VERSION_STRING "${EXPAT_VERSION_PART}")
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endif()
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endif()
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endforeach()
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endforeach()
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endif ()
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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()
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mark_as_advanced(EXPAT_INCLUDE_DIR EXPAT_LIBRARY)
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