# # File : gcc.py # This file is part of RT-Thread RTOS # COPYRIGHT (C) 2006 - 2018, RT-Thread Development Team # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 2 of the License, or # (at your option) any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License along # with this program; if not, write to the Free Software Foundation, Inc., # 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. # # Change Logs: # Date Author Notes # 2018-05-22 Bernard The first version import os import re import platform def GetGCCRoot(rtconfig): exec_path = rtconfig.EXEC_PATH prefix = rtconfig.PREFIX if prefix.endswith('-'): prefix = prefix[:-1] if exec_path == '/usr/bin': root_path = os.path.join('/usr/lib', prefix) else: 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 # Usually the cross compiling gcc toolchain has directory as: # # bin # lib # share # arm-none-eabi # bin # include # lib # share prefix = rtconfig.PREFIX if prefix.endswith('-'): prefix = prefix[:-1] fn = os.path.join(root, prefix, 'include', filename) if os.path.isfile(fn): return True return False def GetNewLibVersion(rtconfig): version = None root = GetGCCRoot(rtconfig) if CheckHeader(rtconfig, '_newlib_version.h'): # get version from _newlib_version.h file f = open(os.path.join(root, 'include', '_newlib_version.h'), 'r') if f: for line in f: if line.find('_NEWLIB_VERSION') != -1 and line.find('"') != -1: version = re.search(r'\"([^"]+)\"', line).groups()[0] f.close() elif CheckHeader(rtconfig, 'newlib.h'): # get version from newlib.h f = open(os.path.join(root, 'include', 'newlib.h'), 'r') if f: for line in f: if line.find('_NEWLIB_VERSION') != -1 and line.find('"') != -1: version = re.search(r'\"([^"]+)\"', line).groups()[0] f.close() return version # FIXME: there is no musl version or musl macros can be found officially def GetMuslVersion(rtconfig): version = None if 'musl' in rtconfig.PREFIX: version = 'unknown' 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 = open('__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 != '' and stderr != b'': 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(b'\n'): line = line.decode() 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_STR "%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): # The cconfig.h will NOT generate in the lastest RT-Thread code. # When you want to use it, you can uncomment out the following code. # 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 = open('cconfig.h', 'w') # if cc_file: # cc_file.write(cc_header) # cc_file.close() pass