diff -Naur qt-everywhere-src-5.12.4-orig/qtbase/src/plugins/platformthemes/platformthemes.pro qt-everywhere-src-5.12.4/qtbase/src/plugins/platformthemes/platformthemes.pro
--- qt-everywhere-src-5.12.4-orig/qtbase/src/plugins/platformthemes/platformthemes.pro	2019-06-12 23:59:14.000000000 +0300
+++ qt-everywhere-src-5.12.4/qtbase/src/plugins/platformthemes/platformthemes.pro	2019-06-15 16:08:52.312758200 +0300
@@ -1,6 +1,6 @@
 TEMPLATE = subdirs
 QT_FOR_CONFIG += widgets-private
 
-qtConfig(dbus):qtConfig(regularexpression):qtConfig(mimetype): SUBDIRS += xdgdesktopportal
+qtConfig(dbus):qtConfig(regularexpression):qtConfig(mimetype):!win32: SUBDIRS += xdgdesktopportal
 
 qtHaveModule(widgets):qtConfig(gtk3): SUBDIRS += gtk3