Qt5Compat.GraphicalEffects is broken for static builds

import QtQuick
import Qt5Compat.GraphicalEffects

Window {
    width: 640
    height: 480
    visible: true
    title: qsTr("Hello World")

    Text {
        id: butterfly
        anchors.centerIn: parent
        text: "I've shadows"
        smooth: true
        visible: false
    }

    DropShadow {
        anchors.fill: butterfly
        horizontalOffset: 3
        verticalOffset: 3
        radius: 8.0
        color: "#80000000"
        source: butterfly
    }
}