Merge branch 'deployqt' into 'master'

[de] Deploy Qt libraries on installation.

See merge request !3952

(cherry picked from commit e6e5255d)

25c33a48 [de] Deploy Qt libraries on installation.

Applications/DataExplorer/DataExplorer.cmake

@@ -77,3 +77,14 @@ set(CPACK_PACKAGE_EXECUTABLES ${CPACK_PACKAGE_EXECUTABLES} "DataExplorer"
 set(CPACK_NSIS_MENU_LINKS ${CPACK_NSIS_MENU_LINKS} "bin/DataExplorer.exe"
                           "Data Explorer" PARENT_SCOPE
 )
+
+if(MSVC)
+    # Install qt libraries
+    get_target_property(mocExe Qt5::moc IMPORTED_LOCATION)
+    get_filename_component(qtBinDir "${mocExe}" DIRECTORY)
+    find_program(DEPLOYQT_EXECUTABLE windeployqt PATHS "${qtBinDir}" NO_DEFAULT_PATH)
+    set(DEPLOY_OPTIONS [[bin/DataExplorer.exe --dir . --libdir bin --plugindir plugins]])
+    configure_file(${PROJECT_SOURCE_DIR}/scripts/cmake/packaging/deployapp.cmake.in deployapp.cmake @ONLY)
+    install(SCRIPT ${CMAKE_CURRENT_BINARY_DIR}/deployapp.cmake)
+    install(FILES ${PROJECT_SOURCE_DIR}/scripts/cmake/packaging/qt.conf TYPE BIN)
+endif()

scripts/cmake/packaging/deployapp.cmake.in

+execute_process(
+      COMMAND "@DEPLOYQT_EXECUTABLE@" @DEPLOY_OPTIONS@
+      WORKING_DIRECTORY ${CMAKE_INSTALL_PREFIX}
+      RESULT_VARIABLE result
+)
+if(result)
+    message(FATAL_ERROR "Executing @DEPLOYQT_EXECUTABLE@ failed: ${result}")
+endif()

scripts/cmake/packaging/qt.conf

+[Paths]
+Prefix = ..