rt-thread/bsp/imxrt/imxrt1064-nxp-evk/applications/SConscript

import rtconfig
from building import *
import os

cwd = GetCurrentDir()
src = Glob('*.c')
CPPPATH = [cwd]

# add for startup script
if rtconfig.PLATFORM in ['gcc']:
    CPPDEFINES = ['__START=entry']
else:
    CPPDEFINES = []

group = DefineGroup('Applications', src, depend = [''], CPPPATH = CPPPATH, CPPDEFINES=CPPDEFINES)

list = os.listdir(cwd)
for item in list:
    if os.path.isfile(os.path.join(cwd, item, 'SConscript')):
        group = group + SConscript(os.path.join(item, 'SConscript'))

Return('group')