rt-thread-official/components/libc/cplusplus/SConscript

from building import *
from gcc import *
import os
Import('rtconfig')

cwd     = GetCurrentDir()
src     = ['cxx_crt_init.c', 'cxx_crt.cpp']
CPPPATH = [cwd]
CXXFLAGS = ''

if rtconfig.PLATFORM in GetGCCLikePLATFORM() and not GetDepend('RT_USING_CPP_EXCEPTIONS'):
    CXXFLAGS += ' -fno-exceptions -fno-rtti -ffunction-sections -fdata-sections -Wl,--gc-sections' # reduce resource consumptions

group = DefineGroup('CPP', src, depend=['RT_USING_CPLUSPLUS'], CPPPATH=CPPPATH, CXXFLAGS=CXXFLAGS)

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')