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80 lines
2.4 KiB
CMake
80 lines
2.4 KiB
CMake
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# 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 the native Expat headers and library.
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#
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# Imported Targets
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# ^^^^^^^^^^^^^^^^
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#
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# This module defines the following :prop_tgt:`IMPORTED` targets:
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#
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# ``EXPAT::EXPAT``
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# The Expat ``expat`` library, if found.
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#
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# Result Variables
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# ^^^^^^^^^^^^^^^^
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#
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# This module will set the following variables in your project:
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#
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# ``EXPAT_INCLUDE_DIRS``
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# where to find expat.h, etc.
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# ``EXPAT_LIBRARIES``
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# the libraries to link against to use Expat.
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# ``EXPAT_FOUND``
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# true if the Expat headers and libraries were found.
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#
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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(FindPackageHandleStandardArgs)
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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 and target.
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if(EXPAT_FOUND)
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set(EXPAT_LIBRARIES ${EXPAT_LIBRARY})
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set(EXPAT_INCLUDE_DIRS ${EXPAT_INCLUDE_DIR})
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if(NOT TARGET EXPAT::EXPAT)
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add_library(EXPAT::EXPAT UNKNOWN IMPORTED)
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set_target_properties(EXPAT::EXPAT PROPERTIES
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IMPORTED_LINK_INTERFACE_LANGUAGES "C"
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IMPORTED_LOCATION "${EXPAT_LIBRARY}"
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INTERFACE_INCLUDE_DIRECTORIES "${EXPAT_INCLUDE_DIRS}")
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endif()
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endif()
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mark_as_advanced(EXPAT_INCLUDE_DIR EXPAT_LIBRARY)
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