1Import('rtconfig') 2from building import * 3 4cwd = GetCurrentDir() 5 6# add the startup files 7 8src = Split(''' 9 startup.c 10 trap.c 11''') 12 13if rtconfig.PLATFORM == 'gcc': 14 src += [os.path.join('toolchains', 'gcc', 'start.S')] 15 src += [os.path.join('toolchains', 'gcc', 'port_gcc.S')] 16 17CPPPATH = [cwd] 18CPPDEFINES=['D45', rtconfig.CHIP_NAME] 19 20group = DefineGroup('Startup', src, depend = [''], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES) 21 22Return('group') 23