rt-thread/bsp/nxp/lpc/lpc178x/SConstruct

import os
import sys
import rtconfig

if os.getenv('RTT_ROOT'):
    RTT_ROOT = os.getenv('RTT_ROOT')
else:
    RTT_ROOT = os.path.normpath(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-lpc-series-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-%s.%s' % (rtconfig.BOARD_NAME, rtconfig.TARGET_EXT)
DefaultEnvironment(tools=[])
if rtconfig.PLATFORM == 'armcc':
    env = Environment(tools = ['mingw'],
        AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
        CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
        CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
        AR = rtconfig.AR, ARFLAGS = '-rc',
        LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS,
        # overwrite cflags, because cflags has '--C99'
        CXXCOM = '$CXX -o $TARGET --cpp -c $CXXFLAGS $_CCCOMCOM $SOURCES')
else:
    env = Environment(tools = ['mingw'],
        AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS,
        CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS,
        CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS,
        AR = rtconfig.AR, ARFLAGS = '-rc',
        LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS)

env.PrependENVPath('PATH', rtconfig.EXEC_PATH)

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

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

# make a building
DoBuilding(TARGET, objs)