importosimportsysimportrtconfigRTT_ROOT=os.path.normpath(os.getcwd()+'/../..')sys.path=sys.path+[os.path.join(RTT_ROOT,'tools')]frombuildingimport*TARGET='rtthread-lpc178x.'+rtconfig.TARGET_EXTenv=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('RTT_ROOT')Export('rtconfig')# prepare building environmentobjs=PrepareBuilding(env,RTT_ROOT)ifGetDepend('RT_USING_RTGUI'):objs=objs+SConscript(RTT_ROOT+'/examples/gui/SConscript',variant_dir='build/examples/gui',duplicate=0)# build program env.Program(TARGET,objs)# end building EndBuilding(TARGET)