rt-thread/bsp/qemu-virt64-riscv/applications/test/SConscript

from building import *

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

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

list = os.listdir(cwd)

objs = [group]

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

Return('objs')