Lack of DCE, xml

<?xml version="1.0" encoding="utf-8"?>
<project>
    <!-- NMML reference: https://gist.github.com/1763850 -->

    <!-- metadata, make sure 'package' is at least 3 segments (ie. com.mycompany.myproject) -->
    <meta title="TestNCW" package="TestNCW" version="1.0.0" company="YellowAfterlife" />

    <!-- output -->
    <app main="Main" file="TestNCW" path="bin" />

    <window background="#f9f9f9" fps="60" />
    <window width="800" height="480" unless="mobile" />
    <window orientation="landscape" vsync="false" antialiasing="0" if="cpp" />

    <!-- classpath, haxe libs -->
    <source path="src" />
    <haxelib name="openfl" />
    <haxelib name="ncw" />

    <!-- assets -->
    <icon path="assets/openfl.svg" />
    <assets path="assets/img" rename="img" />

    <!-- optimize output -->
    <haxeflag name="-dce full" if="js" />
    <haxeflag name="-dce std" unless="js" />
    <haxedef name="dump-dependencies" />
</project>