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diff --git a/share/cmake-3.16/Modules/FindQt.cmake b/share/cmake-3.16/Modules/FindQt.cmake
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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:
+FindQt
+------
+
+Searches for all installed versions of Qt3 or Qt4.
+
+This module cannot handle Qt5 or any later versions.
+For those, see :manual:`cmake-qt(7)`.
+
+This module exists for the :command:`find_package` command only if
+policy :policy:`CMP0084` is not set to ``NEW``.
+
+This module should only be used if your project can work with multiple
+versions of Qt.  If not, you should just directly use FindQt4 or
+FindQt3.  If multiple versions of Qt are found on the machine, then
+The user must set the option DESIRED_QT_VERSION to the version they
+want to use.  If only one version of qt is found on the machine, then
+the DESIRED_QT_VERSION is set to that version and the matching FindQt3
+or FindQt4 module is included.  Once the user sets DESIRED_QT_VERSION,
+then the FindQt3 or FindQt4 module is included.
+
+::
+
+  QT_REQUIRED if this is set to TRUE then if CMake can
+              not find Qt4 or Qt3 an error is raised
+              and a message is sent to the user.
+
+
+
+::
+
+  DESIRED_QT_VERSION OPTION is created
+  QT4_INSTALLED is set to TRUE if qt4 is found.
+  QT3_INSTALLED is set to TRUE if qt3 is found.
+#]=======================================================================]
+
+if(_findqt_testing)
+  set(_findqt_included TRUE)
+  return()
+endif()
+
+# look for signs of qt3 installations
+file(GLOB GLOB_TEMP_VAR /usr/lib*/qt-3*/bin/qmake /usr/lib*/qt3*/bin/qmake)
+if(GLOB_TEMP_VAR)
+  set(QT3_INSTALLED TRUE)
+endif()
+set(GLOB_TEMP_VAR)
+
+file(GLOB GLOB_TEMP_VAR /usr/local/qt-x11-commercial-3*/bin/qmake)
+if(GLOB_TEMP_VAR)
+  set(QT3_INSTALLED TRUE)
+endif()
+set(GLOB_TEMP_VAR)
+
+file(GLOB GLOB_TEMP_VAR /usr/local/lib/qt3/bin/qmake)
+if(GLOB_TEMP_VAR)
+  set(QT3_INSTALLED TRUE)
+endif()
+set(GLOB_TEMP_VAR)
+
+# look for qt4 installations
+file(GLOB GLOB_TEMP_VAR /usr/local/qt-x11-commercial-4*/bin/qmake)
+if(GLOB_TEMP_VAR)
+  set(QT4_INSTALLED TRUE)
+endif()
+set(GLOB_TEMP_VAR)
+
+file(GLOB GLOB_TEMP_VAR /usr/local/Trolltech/Qt-4*/bin/qmake)
+if(GLOB_TEMP_VAR)
+  set(QT4_INSTALLED TRUE)
+endif()
+set(GLOB_TEMP_VAR)
+
+file(GLOB GLOB_TEMP_VAR /usr/local/lib/qt4/bin/qmake)
+if(GLOB_TEMP_VAR)
+  set(QT4_INSTALLED TRUE)
+endif()
+set(GLOB_TEMP_VAR)
+
+if (Qt_FIND_VERSION)
+  if (Qt_FIND_VERSION MATCHES "^([34])(\\.[0-9]+.*)?$")
+    set(DESIRED_QT_VERSION ${CMAKE_MATCH_1})
+  else ()
+    message(FATAL_ERROR "FindQt was called with invalid version '${Qt_FIND_VERSION}'. Only Qt major versions 3 or 4 are supported. If you do not need to support both Qt3 and Qt4 in your source consider calling find_package(Qt3) or find_package(Qt4) instead of find_package(Qt) instead.")
+  endif ()
+endif ()
+
+# now find qmake
+find_program(QT_QMAKE_EXECUTABLE_FINDQT NAMES qmake PATHS "${QT_SEARCH_PATH}/bin" "$ENV{QTDIR}/bin")
+if(QT_QMAKE_EXECUTABLE_FINDQT)
+  exec_program(${QT_QMAKE_EXECUTABLE_FINDQT} ARGS "-query QT_VERSION"
+    OUTPUT_VARIABLE QTVERSION)
+  if(QTVERSION MATCHES "4")
+    set(QT_QMAKE_EXECUTABLE ${QT_QMAKE_EXECUTABLE_FINDQT} CACHE PATH "Qt4 qmake program.")
+    set(QT4_INSTALLED TRUE)
+  endif()
+  if(QTVERSION MATCHES "Unknown")
+    set(QT3_INSTALLED TRUE)
+  endif()
+endif()
+
+if(QT_QMAKE_EXECUTABLE_FINDQT)
+  exec_program( ${QT_QMAKE_EXECUTABLE_FINDQT}
+    ARGS "-query QT_INSTALL_HEADERS"
+    OUTPUT_VARIABLE qt_headers )
+endif()
+
+find_file( QT4_QGLOBAL_H_FILE qglobal.h
+  "${QT_SEARCH_PATH}/Qt/include"
+  "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\4.0.0;InstallDir]/include/Qt"
+  "[HKEY_CURRENT_USER\\Software\\Trolltech\\Versions\\4.0.0;InstallDir]/include/Qt"
+  ${qt_headers}/Qt
+  $ENV{QTDIR}/include/Qt
+  /usr/lib/qt/include/Qt
+  /usr/share/qt4/include/Qt
+  /usr/local/include/X11/qt4/Qt
+  C:/Progra~1/qt/include/Qt
+  PATH_SUFFIXES qt/include/Qt include/Qt)
+
+if(QT4_QGLOBAL_H_FILE)
+  set(QT4_INSTALLED TRUE)
+endif()
+
+find_file( QT3_QGLOBAL_H_FILE qglobal.h
+  "${QT_SEARCH_PATH}/Qt/include"
+ "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.1;InstallDir]/include/Qt"
+  "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.2.0;InstallDir]/include/Qt"
+  "[HKEY_CURRENT_USER\\Software\\Trolltech\\Qt3Versions\\3.1.0;InstallDir]/include/Qt"
+  C:/Qt/3.3.3Educational/include
+  $ENV{QTDIR}/include
+  /usr/include/qt3/Qt
+  /usr/share/qt3/include
+  /usr/local/include/X11/qt3
+  C:/Progra~1/qt/include
+  PATH_SUFFIXES qt/include include/qt3)
+
+if(QT3_QGLOBAL_H_FILE)
+  set(QT3_INSTALLED TRUE)
+endif()
+
+if(QT3_INSTALLED AND QT4_INSTALLED AND NOT DESIRED_QT_VERSION)
+  # force user to pick if we have both
+  set(DESIRED_QT_VERSION 0 CACHE STRING "Pick a version of Qt to use: 3 or 4")
+else()
+  # if only one found then pick that one
+  if(QT3_INSTALLED AND NOT DESIRED_QT_VERSION EQUAL 4)
+    set(DESIRED_QT_VERSION 3 CACHE STRING "Pick a version of Qt to use: 3 or 4")
+  endif()
+  if(QT4_INSTALLED AND NOT DESIRED_QT_VERSION EQUAL 3)
+    set(DESIRED_QT_VERSION 4 CACHE STRING "Pick a version of Qt to use: 3 or 4")
+  endif()
+endif()
+
+if(DESIRED_QT_VERSION EQUAL 3)
+  set(Qt3_FIND_REQUIRED ${Qt_FIND_REQUIRED})
+  set(Qt3_FIND_QUIETLY  ${Qt_FIND_QUIETLY})
+  include(${CMAKE_CURRENT_LIST_DIR}/FindQt3.cmake)
+endif()
+if(DESIRED_QT_VERSION EQUAL 4)
+  set(Qt4_FIND_REQUIRED ${Qt_FIND_REQUIRED})
+  set(Qt4_FIND_QUIETLY  ${Qt_FIND_QUIETLY})
+  include(${CMAKE_CURRENT_LIST_DIR}/FindQt4.cmake)
+endif()
+
+if(NOT QT3_INSTALLED AND NOT QT4_INSTALLED)
+  if(QT_REQUIRED)
+    message(SEND_ERROR "CMake was unable to find any Qt versions, put qmake in your path, or set QT_QMAKE_EXECUTABLE.")
+  endif()
+else()
+  if(NOT QT_FOUND AND NOT DESIRED_QT_VERSION)
+    if(QT_REQUIRED)
+      message(SEND_ERROR "Multiple versions of Qt found please set DESIRED_QT_VERSION")
+    else()
+      message("Multiple versions of Qt found please set DESIRED_QT_VERSION")
+    endif()
+  endif()
+  if(NOT QT_FOUND AND DESIRED_QT_VERSION)
+    if(QT_REQUIRED)
+      message(FATAL_ERROR "CMake was unable to find Qt version: ${DESIRED_QT_VERSION}. Set advanced values QT_QMAKE_EXECUTABLE and QT${DESIRED_QT_VERSION}_QGLOBAL_H_FILE, if those are set then QT_QT_LIBRARY or QT_LIBRARY_DIR.")
+    else()
+      message( "CMake was unable to find desired Qt version: ${DESIRED_QT_VERSION}. Set advanced values QT_QMAKE_EXECUTABLE and QT${DESIRED_QT_VERSION}_QGLOBAL_H_FILE.")
+    endif()
+  endif()
+endif()
+mark_as_advanced(QT3_QGLOBAL_H_FILE QT4_QGLOBAL_H_FILE QT_QMAKE_EXECUTABLE_FINDQT)