rt-thread/bsp/nxp/imx/imx6ul/SConstruct

import os
import sys
import rtconfig

if os.getenv('RTT_ROOT'):
    RTT_ROOT = os.getenv('RTT_ROOT')
else:
    RTT_ROOT = os.path.join(os.getcwd(), '..', '..', '..', '..')

sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')]
from building import *

def bsp_pkg_check():
    import subprocess

    check_paths = [
        os.path.join("packages", "nxp-imx6ul-sdk-latest"),
    ]

    need_update = not all(os.path.exists(p) for p in check_paths)

    if need_update:
        print("\n===============================================================================")
        print("Dependency packages missing, please running 'pkgs --update'...")
        print("If no packages are fetched, run 'pkgs --upgrade' first, then 'pkgs --update'...")
        print("===============================================================================")
        exit(1)

RegisterPreBuildingAction(bsp_pkg_check)

TARGET = 'rtthread.' + rtconfig.TARGET_EXT

DefaultEnvironment(tools=[])
env = Environment(tools = ['mingw'],
    AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
    CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
    CXX= rtconfig.CXX, CXXFLAGS = rtconfig.CFLAGS,
    AR = rtconfig.AR, ARFLAGS = '-rc',
    LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)
env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
env['ASCOM'] = env['ASPPCOM']

Export('RTT_ROOT')
Export('rtconfig')

# prepare building environment
objs = PrepareBuilding(env, RTT_ROOT)

# make a building
DoBuilding(TARGET, objs)