Run jake in interactive mode so output isn't lost.

Author: jbondc

Diff for: Jakefile

@@ -235,14 +235,7 @@ function compileFile(outFile, sources, prereqs, prefixes, useBuiltCompiler, noOu
         cmd = cmd + sources.join(" ");
         console.log(cmd + "\n");
 
-        var ex = jake.createExec([cmd]);
-        // Add listeners for output and error
-        ex.addListener("stdout", function(output) {
-            process.stdout.write(output);
-        });
-        ex.addListener("stderr", function(error) {
-            process.stderr.write(error);
-        });
+        var ex = jake.createExec([cmd], {interactive: true});
         ex.addListener("cmdEnd", function() {
             if (!useDebugMode && prefixes && fs.existsSync(outFile)) {
                 for (var i in prefixes) {