rt-thread/examples/module/SConstruct

import os
import sys
import SCons.cpp
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 *

Export('RTT_ROOT')

# add target option
AddOption('--app',
  dest='app',
  nargs=1, type='string',
  action='store',
  metavar='DIR',
  help='installation prefix')

# add target option
AddOption('--type',
  dest='type',
  nargs=1, type='string',
  action='store',
  metavar='DIR',
  help='installation prefix')

app = GetOption('app')

if GetOption('type') == 'ext':
    linkflags = rtconfig.LFLAGS + ' -e 0'
else:
    linkflags = rtconfig.LFLAGS + ' -e main'

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 = linkflags,
	CPPPATH = [
		RTT_ROOT + '/include',
		RTT_ROOT + '/bsp/' + rtconfig.BSP,
		RTT_ROOT + '/components/finsh',
		RTT_ROOT + '/components/rtgui/include',
		RTT_ROOT + '/components/rgtui/common', 
		RTT_ROOT + '/components/rtgui/server', 
		RTT_ROOT + '/components/rtgui/widgets',
		RTT_ROOT + '/components/libdl',
		RTT_ROOT + '/components/external/ftk/ftk/src/os/rt-thread',
		RTT_ROOT + '/components/external/ftk/ftk/src/demos',	
		RTT_ROOT + '/components/external/ftk/ftk/apps/common',
		RTT_ROOT + '/components/external/ftk/ftk/src',
		RTT_ROOT + '/components/dfs', 
		RTT_ROOT + '/components/dfs/include',
		RTT_ROOT + '/components/libc/newlib',
		RTT_ROOT + '/components/external/cairo/cairo-1.10.2/src', 
		RTT_ROOT + '/components/external/cairo/'
		])
env.PrependENVPath('PATH', rtconfig.EXEC_PATH)

PrepareModuleBuilding(env, RTT_ROOT)

dir = app + '/build/' + rtconfig.BSP
objs = SConscript(app + '/Sconscript', variant_dir=dir, duplicate=0)
TARGET = dir + '/' + app + '.' + rtconfig.TARGET_EXT

# build program 
env.Program(TARGET, objs)