improvements for --babelPath

config/nimrod.cfg

@@ -13,11 +13,6 @@ cc = gcc
 arm.linux.gcc.exe = "arm-linux-gcc"
 arm.linux.gcc.linkerexe = "arm-linux-gcc"
 
-@if nim: 
-  # use the old fixed library for bootstrapping with Nim:
-  lib = "nimlib"
-@end
-
 path="$lib/core"
 path="$lib/pure"
 path="$lib/pure/collections"
@@ -36,7 +31,10 @@ path="$lib/windows"
 path="$lib/posix"
 path="$lib/ecmas"
 path="$lib/pure/unidecode"
-path="$home/.babel/libs/"
+
+@if nimbabel:
+  babelpath="$home/.babel/libs/"
+@end
 
 @if release or quick:
   obj_checks:off