1import os 2import sys 3import rtconfig 4from SCons.Script import * 5 6if os.getenv('RTT_ROOT'): 7 RTT_ROOT = os.getenv('RTT_ROOT') 8else: 9 RTT_ROOT = os.path.normpath(os.getcwd() + '/../../../..') 10 11sys.path = sys.path + [os.path.join(RTT_ROOT, 'tools')] 12try: 13 from building import * 14except: 15 print('Cannot found RT-Thread root directory, please check RTT_ROOT') 16 print(RTT_ROOT) 17 exit(-1) 18 19 20TARGET = 'rtthread.' + rtconfig.TARGET_EXT 21 22DefaultEnvironment(tools=[]) 23env = Environment(tools = ['mingw'], 24 AS = rtconfig.AS, ASFLAGS = rtconfig.AFLAGS, 25 CC = rtconfig.CC, CFLAGS = rtconfig.CFLAGS, 26 AR = rtconfig.AR, ARFLAGS = '-rc', 27 CXX = rtconfig.CXX, CXXFLAGS = rtconfig.CXXFLAGS, 28 LINK = rtconfig.LINK, LINKFLAGS = rtconfig.LFLAGS) 29env.PrependENVPath('PATH', rtconfig.EXEC_PATH) 30 31if rtconfig.PLATFORM in ['iccarm']: 32 env.Replace(CCCOM = ['$CC $CFLAGS $CPPFLAGS $_CPPDEFFLAGS $_CPPINCFLAGS -o $TARGET $SOURCES']) 33 env.Replace(ARFLAGS = ['']) 34 env.Replace(LINKCOM = env["LINKCOM"] + ' --map project.map') 35 36Export('RTT_ROOT') 37Export('rtconfig') 38 39SDK_ROOT = os.path.abspath('./') 40 41if os.path.exists(SDK_ROOT + '/Libraries'): 42 libraries_path_prefix = SDK_ROOT + '/Libraries' 43else: 44 libraries_path_prefix = os.path.dirname(SDK_ROOT) + '/Libraries' 45 46SDK_LIB = libraries_path_prefix 47Export('SDK_LIB') 48 49# prepare building environment 50objs = PrepareBuilding(env, RTT_ROOT, has_libcpu=False) 51 52bsp_vdir = 'build' 53library_vdir = 'build/libraries' 54 55# common include drivers 56objs.extend(SConscript(os.path.join(libraries_path_prefix, 'ch32_drivers', 'SConscript'), variant_dir=library_vdir + '/ch32_drivers', duplicate=0)) 57 58# make a building 59DoBuilding(TARGET, objs) 60