#!/usr/bin/env python
import os

ARCH = ARGUMENTS.get('ARCH','unix')
F_CPU   = ARGUMENTS.get('F_CPU','20000000')
AVR_CPU = ARGUMENTS.get('AVR_CPU', "atmega328p")
if ARCH == 'avr':
  MHZ = ("%f" % (float(F_CPU)/1000000.)).rstrip("0").rstrip(".")
  BuildDir = "#/build/"+AVR_CPU+"-"+MHZ
  F_CPU = F_CPU + "ULL"
  Export('F_CPU', 'AVR_CPU')
else:
  BuildDir = "#/build/"+ARCH
Export('ARCH','BuildDir')
SConscript('SConscript', variant_dir=BuildDir, duplicate=0)