import os
import sys
import rtconfig

RTT_ROOT = os.path.normpath(os.getcwd() + '/../..')
sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
import mdk

target = 'rtthread-lpc176x'
projects = []

AddOption('--target',
                  dest='target',
                  type='string',
                  help='set target project: mdk')

if GetOption('target'):
	SetOption('no_exec', 1)

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

Export('env')
Export('RTT_ROOT')
Export('rtconfig')
Export('projects')

# kernel building script
objs = SConscript(RTT_ROOT + '/src/SConscript', variant_dir='build/src', duplicate=0)
# arch building script
objs = objs + SConscript(RTT_ROOT + '/libcpu/SConscript', variant_dir='build/libcpu', duplicate=0)

# component script 
Repository(RTT_ROOT)
objs = objs + SConscript('components/SConscript')

# board build script
objs = objs + SConscript('SConscript', variant_dir='build/bsp', duplicate=0)

TARGET = target + '.' + rtconfig.TARGET_EXT
env.Program(TARGET, objs)
env.AddPostAction(TARGET, rtconfig.POST_ACTION)

if GetOption('target') == 'mdk':
	mdk.MDKProject('project.uV2', projects)