rt-thread/components/drivers/audio/SConscript

from building import *

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

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

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')