rt-thread-official/bsp/stm32/stm32f407-atk-explorer/applications/SConscript

import rtconfig
import os
from building import *

cwd     = GetCurrentDir()
CPPPATH = [cwd, str(Dir('#'))]
src     = Split("""
main.c
""")

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

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

Return('group')