rt-thread/bsp/qemu-vexpress-a9/SConstruct

import os
import sys
import rtconfig
import re

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 *

TARGET = 'rtthread.' + rtconfig.TARGET_EXT
TRACE_CONFIG = ""

content = ""
with open("rtconfig.h") as f:
    for line in f.readlines():
        if line.find("RT_BACKTRACE_FUNCTION_NAME") != -1:
            for token in line.split(" "):
                if re.match(r'RT_BACKTRACE_FUNCTION_NAME$', token, flags=0):
                    TRACE_CONFIG = " -mpoke-function-name"

DefaultEnvironment(tools=[])
env = Environment(tools=['mingw'],
                  AS=rtconfig.AS, ASFLAGS=rtconfig.AFLAGS + TRACE_CONFIG,
                  CC=rtconfig.CC, CFLAGS=rtconfig.CFLAGS + TRACE_CONFIG,
                  CXX=rtconfig.CXX, CXXFLAGS=rtconfig.CXXFLAGS + TRACE_CONFIG,
                  AR=rtconfig.AR, ARFLAGS='-rc',
                  LINK=rtconfig.LINK, LINKFLAGS=rtconfig.LFLAGS)
env.PrependENVPath('PATH', rtconfig.EXEC_PATH)
env['ASCOM'] = env['ASPPCOM']
env['LINKCOM'] = '$LINK -o $TARGET $LINKFLAGS $__RPATH $SOURCES $_LIBDIRFLAGS -Wl,--start-group $_LIBFLAGS -Wl,--end-group'

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

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

# make a building
DoBuilding(TARGET, objs)