Not compatible with Rhino javascript engine

[mschaaf]

org.mozilla.javascript.EcmaError: TypeError: Cannot find function bind in object
[exec] function (deps, callback) {
[exec] if (Array.isArray(deps)) {
[exec] var params = deps.map(function (dep) {
[exec] return this.lookup(dep);
[exec] }, this);
[exec] if (callback) {
[exec] callback.apply(null, params);
[exec] }
[exec] return undefined;
[exec] } else {
[exec] return this.lookup(deps);
[exec] }
[exec] }
. (file:/Users/martinschaaf/Documents/workspace.main/my_datameer/lib/lesscss-engine-1.5.1.jar!/META-INF/source-map.js#152)

I get this on less compilation with version 1.5.1. Version 1.4.2 worked before.