import os
import sys
import rtconfig

if os.getenv('RTT_ROOT'):
    RTT_ROOT = os.getenv('RTT_ROOT')
else:
    RTT_ROOT = os.path.normpath(os.getcwd() + '/../..')

sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
from building import *

TARGET = 'rtthread-mini2440.' + rtconfig.TARGET_EXT

env = Environment(tools = ['mingw'],
	AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
	CC = rtconfig.CC, CCFLAGS = rtconfig.CFLAGS,
	CXX = rtconfig.CXX,
	AR = rtconfig.AR, ARFLAGS = '-rc',
	LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
env.PrependENVPath('PATH', rtconfig.EXEC_PATH)

Export('RTT_ROOT')
Export('rtconfig')

if rtconfig.PLATFORM == 'gcc':
	start_obj  = 'build/libcpu/' + rtconfig.ARCH + '/' + rtconfig.CPU + '/start_gcc.o',
elif rtconfig.PLATFORM == 'armcc':
	start_obj  = 'build/libcpu/' + rtconfig.ARCH + '/' + rtconfig.CPU + '/start_rvds.o',

# prepare building environment
libs = PrepareBuilding(env, RTT_ROOT)

if GetDepend('RT_USING_RTGUI'):
    libs = libs + SConscript(RTT_ROOT + '/examples/gui/SConscript', variant_dir='build/examples/gui', duplicate=0)

# libc testsuite 
# libs = libs + SConscript(RTT_ROOT + '/examples/libc/SConscript', variant_dir='build/examples/libc', duplicate=0)

# build program 
if GetDepend('RT_USING_NEWLIB'):
    env.Program(target = TARGET, source = [start_obj, 'build/components/libc/newlib/syscalls.o', 'build/components/libc/newlib/libc.o'], LIBS = libs)
else:
    env.Program(target = TARGET, source = start_obj, LIBS = libs)

# end building 
EndBuilding(TARGET)