import os import re import platform def GetGCCRoot(rtconfig): exec_path = rtconfig.EXEC_PATH prefix = rtconfig.PREFIX if prefix.endswith('-'): prefix = prefix[:-1] root_path = os.path.join(exec_path, '..', prefix) return root_path def CheckHeader(rtconfig, filename): root = GetGCCRoot(rtconfig) fn = os.path.join(root, 'include', filename) if os.path.isfile(fn): return True return False def GetNewLibVersion(rtconfig): version = 'unknown' root = GetGCCRoot(rtconfig) if CheckHeader(rtconfig, '_newlib_version.h'): # get version from _newlib_version.h file f = file(os.path.join(root, 'include', '_newlib_version.h')) if f: for line in f: if line.find('_NEWLIB_VERSION') != -1 and line.find('"') != -1: version = re.search(r'\"([^"]+)\"', line).groups()[0] elif CheckHeader(rtconfig, 'newlib.h'): # get version from newlib.h f = file(os.path.join(root, 'include', 'newlib.h')) if f: for line in f: if line.find('_NEWLIB_VERSION') != -1 and line.find('"') != -1: version = re.search(r'\"([^"]+)\"', line).groups()[0] return version def GCCResult(rtconfig, str): import subprocess result = '' def checkAndGetResult(pattern, string): if re.search(pattern, string): return re.search(pattern, string).group(0) return None gcc_cmd = os.path.join(rtconfig.EXEC_PATH, rtconfig.CC) # use temp file to get more information f = file('__tmp.c', 'w') if f: f.write(str) f.close() # '-fdirectives-only', if(platform.system() == 'Windows'): child = subprocess.Popen([gcc_cmd, '-E', '-P', '__tmp.c'], stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True) else: child = subprocess.Popen(gcc_cmd + ' -E -P __tmp.c', stdout=subprocess.PIPE, stderr=subprocess.PIPE, shell=True) stdout, stderr = child.communicate() print(stdout) if stderr != '': print(stderr) have_fdset = 0 have_sigaction = 0 have_sigevent = 0 have_siginfo = 0 have_sigval = 0 version = None stdc = '1989' posix_thread = 0 for line in stdout.split('\n'): if re.search('fd_set', line): have_fdset = 1 # check for sigal if re.search('struct[ \t]+sigaction', line): have_sigaction = 1 if re.search('struct[ \t]+sigevent', line): have_sigevent = 1 if re.search('siginfo_t', line): have_siginfo = 1 if re.search('union[ \t]+sigval', line): have_sigval = 1 if re.search('char\* version', line): version = re.search(r'\"([^"]+)\"', line).groups()[0] if re.findall('iso_c_visible = [\d]+', line): stdc = re.findall('[\d]+', line)[0] if re.findall('pthread_create', line): posix_thread = 1 if have_fdset: result += '#define HAVE_FDSET 1\n' if have_sigaction: result += '#define HAVE_SIGACTION 1\n' if have_sigevent: result += '#define HAVE_SIGEVENT 1\n' if have_siginfo: result += '#define HAVE_SIGINFO 1\n' if have_sigval: result += '#define HAVE_SIGVAL 1\n' if version: result += '#define GCC_VERSION "%s"\n' % version result += '#define STDC "%s"\n' % stdc if posix_thread: result += '#define LIBC_POSIX_THREADS 1\n' os.remove('__tmp.c') return result def GenerateGCCConfig(rtconfig): str = '' cc_header = '' cc_header += '#ifndef CCONFIG_H__\n' cc_header += '#define CCONFIG_H__\n' cc_header += '/* Automatically generated file; DO NOT EDIT. */\n' cc_header += '/* compiler configure file for RT-Thread in GCC*/\n\n' if CheckHeader(rtconfig, 'newlib.h'): str += '#include \n' cc_header += '#define HAVE_NEWLIB_H 1\n' cc_header += '#define LIBC_VERSION "newlib %s"\n\n' % GetNewLibVersion(rtconfig) if CheckHeader(rtconfig, 'sys/signal.h'): str += '#include \n' cc_header += '#define HAVE_SYS_SIGNAL_H 1\n' if CheckHeader(rtconfig, 'sys/select.h'): str += '#include \n' cc_header += '#define HAVE_SYS_SELECT_H 1\n' if CheckHeader(rtconfig, 'pthread.h'): str += "#include \n" cc_header += '#define HAVE_PTHREAD_H 1\n' # if CheckHeader(rtconfig, 'sys/dirent.h'): # str += '#include \n' # add some common features str += 'const char* version = __VERSION__;\n' str += 'const int iso_c_visible = __ISO_C_VISIBLE;\n' str += '\n#ifdef HAVE_INITFINI_ARRAY\n' str += 'const int init_fini_array = HAVE_INITFINI_ARRAY;\n' str += '#endif\n' cc_header += '\n' cc_header += GCCResult(rtconfig, str) cc_header += '\n#endif\n' cc_file = file('cconfig.h', 'w') if cc_file: cc_file.write(cc_header) cc_file.close()