diff -rupN qtdeclarative-everywhere-src-5.11.1/src/qmldevtools/qmldevtools.pro qtdeclarative-everywhere-src-5.11.1-new/src/qmldevtools/qmldevtools.pro
--- qtdeclarative-everywhere-src-5.11.1/src/qmldevtools/qmldevtools.pro	2018-06-15 13:30:15.000000000 +0200
+++ qtdeclarative-everywhere-src-5.11.1-new/src/qmldevtools/qmldevtools.pro	2018-06-19 22:56:41.640984698 +0200
@@ -2,6 +2,10 @@ option(host_build)
 TARGET     = QtQmlDevTools
 QT         = core-private
 CONFIG    += minimal_syncqt internal_module qmldevtools_build
+win32:!contains(CONFIG, static) {
+    CONFIG += shared
+    CONFIG -= static staticlib
+}
 
 MODULE_INCNAME = QtQml
 INCLUDEPATH += $$OUT_PWD/../qml