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+# Distributed under the OSI-approved BSD 3-Clause License. See accompanying
+# file Copyright.txt or https://cmake.org/licensing for details.
+
+#[=======================================================================[.rst:
+FindEXPAT
+---------
+
+Find the native Expat headers and library.
+Expat is a stream-oriented XML parser library written in C.
+
+Imported Targets
+^^^^^^^^^^^^^^^^
+
+.. versionadded:: 3.10
+
+This module defines the following :prop_tgt:`IMPORTED` targets:
+
+``EXPAT::EXPAT``
+ The Expat ``expat`` library, if found.
+
+Result Variables
+^^^^^^^^^^^^^^^^
+
+This module will set the following variables in your project:
+
+``EXPAT_INCLUDE_DIRS``
+ where to find expat.h, etc.
+``EXPAT_LIBRARIES``
+ the libraries to link against to use Expat.
+``EXPAT_FOUND``
+ true if the Expat headers and libraries were found.
+
+#]=======================================================================]
+
+find_package(PkgConfig QUIET)
+
+pkg_check_modules(PC_EXPAT QUIET expat)
+
+# Look for the header file.
+find_path(EXPAT_INCLUDE_DIR NAMES expat.h HINTS ${PC_EXPAT_INCLUDE_DIRS})
+
+# Look for the library.
+find_library(EXPAT_LIBRARY NAMES expat libexpat NAMES_PER_DIR HINTS ${PC_EXPAT_LIBRARY_DIRS})
+
+if (EXPAT_INCLUDE_DIR AND EXISTS "${EXPAT_INCLUDE_DIR}/expat.h")
+ file(STRINGS "${EXPAT_INCLUDE_DIR}/expat.h" expat_version_str
+ REGEX "^#[\t ]*define[\t ]+XML_(MAJOR|MINOR|MICRO)_VERSION[\t ]+[0-9]+$")
+
+ unset(EXPAT_VERSION_STRING)
+ foreach(VPART MAJOR MINOR MICRO)
+ foreach(VLINE ${expat_version_str})
+ if(VLINE MATCHES "^#[\t ]*define[\t ]+XML_${VPART}_VERSION[\t ]+([0-9]+)$")
+ set(EXPAT_VERSION_PART "${CMAKE_MATCH_1}")
+ if(EXPAT_VERSION_STRING)
+ string(APPEND EXPAT_VERSION_STRING ".${EXPAT_VERSION_PART}")
+ else()
+ set(EXPAT_VERSION_STRING "${EXPAT_VERSION_PART}")
+ endif()
+ endif()
+ endforeach()
+ endforeach()
+endif ()
+
+include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
+FIND_PACKAGE_HANDLE_STANDARD_ARGS(EXPAT
+ REQUIRED_VARS EXPAT_LIBRARY EXPAT_INCLUDE_DIR
+ VERSION_VAR EXPAT_VERSION_STRING)
+
+# Copy the results to the output variables and target.
+if(EXPAT_FOUND)
+ set(EXPAT_LIBRARIES ${EXPAT_LIBRARY})
+ set(EXPAT_INCLUDE_DIRS ${EXPAT_INCLUDE_DIR})
+
+ if(NOT TARGET EXPAT::EXPAT)
+ add_library(EXPAT::EXPAT UNKNOWN IMPORTED)
+ set_target_properties(EXPAT::EXPAT PROPERTIES
+ IMPORTED_LINK_INTERFACE_LANGUAGES "C"
+ IMPORTED_LOCATION "${EXPAT_LIBRARY}"
+ INTERFACE_INCLUDE_DIRECTORIES "${EXPAT_INCLUDE_DIRS}")
+ endif()
+endif()
+
+mark_as_advanced(EXPAT_INCLUDE_DIR EXPAT_LIBRARY)