If my Java Teacher would see this, he would kill me several times...

NOW it works as it should.
Thx to Jaykul from #powershell

svn path=/trunk/tools/RosBE/; revision=724

RosBE-Windows/Powershell/Build.ps1

@@ -163,12 +163,12 @@ if ($args.count -gt 1) {
     if ($args[0] -eq "multi") {
         $host.ui.RawUI.WindowTitle = "makex $($args) parallel build started: $TIMERAW"
     }
-    BUILDMULTI
+    BUILDMULTI $args
 } else {
     if ($args.count -gt 0) {
         $host.ui.RawUI.WindowTitle = "make $($args) build started: $TIMERAW"
     }
-    BUILD
+    BUILD $args
 }
 
 #