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745b56f58c
No need to explain this over and over again. While at it, do some other minor cleanups to whitespace and comments (i.e. delete them).
59 lines
1.9 KiB
CMake
59 lines
1.9 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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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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