Empty all-classes.js after compile mvc app v3.0.0.250

[b4rnaby]

I have an MVC style app using extjs 4.1.1a GPL. Trying to compile with the following command on windows 7.

sencha compile -classpath=app.js,app,ext/src page -in index.html out build/index.html

The all-classes.js file only contains a comment or is completely empty if I use -yui.

My index.html script looks like this.

<!-- <x-compile> -->
<!-- <x-bootstrap> -->
<script type='text/javascript' src='ext/ext-dev.js'></script>
<!-- </x-bootstrap> -->
<script type='text/javascript' src='app.js'></script>
<!-- </x-compile> -->

The command appears to work and generates a correct index.html but blank all-classes.js ...

Sencha Cmd v3.0.0.250
[INF]           Compiling page null
[INF]           Processing classPath entry : C:\Working\Support\issues\sencha-compile-temp-dir
[INF]           Processing classPath entry : app.js
[INF]           Processing classPath entry : app
[INF]           Processing classPath entry : ext\src
[INF]           Processing class inheritance graph
[INF]           Processing instantiation refereces to classes and aliases
[INF]           Processing source dependencies
[INF]           Concatenating output to file C:\Working\Support\issues\build\all-classes.js

Any help appreciated.
Barney