Provide an option for the base/rom extension that causes the toolchain id (ARMCC or GCCE) to be defined for the C preprocessor phase of rombuild, enabling rom files to be conditionally included or excluded depending on whether the toolchain can build them. This mimics the same change for Beagleboard.

#! /usr/bin/env python

"""Run this file under Windows to inhibit the console window.
Run the file pynche.py under Unix or when debugging under Windows.
"""
import Main
Main.main()