#!/usr/bin/env python3 # Copyright 2015 The Meson development team # Licensed under the Apache License, Version 2.0 (the "License"); # you may not use this file except in compliance with the License. # You may obtain a copy of the License at # http://www.apache.org/licenses/LICENSE-2.0 # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. # See the License for the specific language governing permissions and # limitations under the License. """This script reads config.h.meson, looks for header checks and writes the corresponding meson declaration. Copy config.h.in to config.h.meson, replace #undef with #mesondefine and run this. We can't do this automatically because some configure scripts have #undef statements that are unrelated to configure checks. """ import sys # Add stuff here as it is encountered. function_data = \ {'HAVE_FEENABLEEXCEPT': ('feenableexcept', 'fenv.h'), 'HAVE_FECLEAREXCEPT': ('feclearexcept', 'fenv.h'), 'HAVE_FEDISABLEEXCEPT': ('fedisableexcept', 'fenv.h'), 'HAVE_MMAP': ('mmap', 'sys/mman.h'), 'HAVE_GETPAGESIZE': ('getpagesize', 'unistd.h'), 'HAVE_GETISAX': ('getisax', 'sys/auxv.h'), 'HAVE_GETTIMEOFDAY': ('gettimeofday', 'sys/time.h'), 'HAVE_MPROTECT': ('mprotect', 'sys/mman.h'), 'HAVE_POSIX_MEMALIGN': ('posix_memalign', 'stdlib.h'), 'HAVE_SIGACTION': ('sigaction', 'signal.h'), 'HAVE_ALARM': ('alarm', 'unistd.h'), 'HAVE_CLOCK_GETTIME': ('clock_gettime', 'time.h'), 'HAVE_CTIME_R': ('ctime_r', 'time.h'), 'HAVE_DRAND48': ('drand48', 'stdlib.h'), 'HAVE_FLOCKFILE': ('flockfile', 'stdio.h'), 'HAVE_FORK': ('fork', 'unistd.h'), 'HAVE_FUNLOCKFILE': ('funlockfile', 'stdio.h'), 'HAVE_GETLINE': ('getline', 'stdio.h'), 'HAVE_LINK': ('link', 'unistd.h'), 'HAVE_RAISE': ('raise', 'signal.h'), 'HAVE_STRNDUP': ('strndup', 'string.h'), 'HAVE_SCHED_GETAFFINITY': ('sched_getaffinity', 'sched.h'), 'HAVE_WAITPID': ('waitpid', 'sys/wait.h'), 'HAVE_XRENDERCREATECONICALGRADIENT': ('XRenderCreateConicalGradient', 'xcb/render.h'), 'HAVE_XRENDERCREATELINEARGRADIENT': ('XRenderCreateLinearGradient', 'xcb/render.h'), 'HAVE_XRENDERCREATERADIALGRADIENT': ('XRenderCreateRadialGradient', 'xcb/render.h'), 'HAVE_XRENDERCREATESOLIDFILL': ('XRenderCreateSolidFill', 'xcb/render.h'), 'HAVE_DCGETTEXT': ('dcgettext', 'libintl.h'), 'HAVE_ENDMNTENT': ('endmntent', 'mntent.h'), 'HAVE_ENDSERVENT': ('endservent', 'netdb.h'), 'HAVE_EVENTFD': ('eventfd', 'sys/eventfd.h'), 'HAVE_FALLOCATE': ('fallocate', 'fcntl.h'), 'HAVE_FCHMOD': ('fchmod', 'sys/stat.h'), 'HAVE_FCHOWN': ('fchown', 'unistd.h'), 'HAVE_FDWALK': ('fdwalk', 'stdlib.h'), 'HAVE_FSYNC': ('fsync', 'unistd.h'), 'HAVE_GETC_UNLOCKED': ('getc_unlocked', 'stdio.h'), 'HAVE_GETFSSTAT': ('getfsstat', 'sys/mount.h'), 'HAVE_GETMNTENT_R': ('getmntent_r', 'mntent.h'), 'HAVE_GETPROTOBYNAME_R': ('getprotobyname_r', 'netdb.h'), 'HAVE_GETRESUID': ('getresuid', 'unistd.h'), 'HAVE_GETVFSSTAT': ('getvfsstat', 'sys/statvfs.h'), 'HAVE_GMTIME_R': ('gmtime_r', 'time.h'), 'HAVE_HASMNTOPT': ('hasmntopt', 'mntent.h'), 'HAVE_IF_INDEXTONAME': ('if_indextoname', 'net/if.h'), 'HAVE_IF_NAMETOINDEX': ('if_nametoindex', 'net/if.h'), 'HAVE_INOTIFY_INIT1': ('inotify_init1', 'sys/inotify.h'), 'HAVE_ISSETUGID': ('issetugid', 'unistd.h'), 'HAVE_KEVENT': ('kevent', 'sys/event.h'), 'HAVE_KQUEUE': ('kqueue', 'sys/event.h'), 'HAVE_LCHMOD': ('lchmod', 'sys/stat.h'), 'HAVE_LCHOWN': ('lchown', 'unistd.h'), 'HAVE_LSTAT': ('lstat', 'sys/stat.h'), 'HAVE_MEMCPY': ('memcpy', 'string.h'), 'HAVE_MEMALIGN': ('memalign', 'stdlib.h'), 'HAVE_MEMMEM': ('memmem', 'string.h'), 'HAVE_NEWLOCALE': ('newlocale', 'locale.h'), 'HAVE_PIPE2': ('pipe2', 'fcntl.h'), 'HAVE_POLL': ('poll', 'poll.h'), 'HAVE_PRLIMIT': ('prlimit', 'sys/resource.h'), 'HAVE_PTHREAD_ATTR_SETSTACKSIZE': ('pthread_attr_setstacksize', 'pthread.h'), 'HAVE_PTHREAD_CONDATTR_SETCLOCK': ('pthread_condattr_setclock', 'pthread.h'), 'HAVE_PTHREAD_COND_TIMEDWAIT_RELATIVE_NP': ('pthread_cond_timedwait_relative_np', 'pthread.h'), 'HAVE_READLINK': ('readlink', 'unistd.h'), 'HAVE_RES_INIT': ('res_init', 'resolv.h'), 'HAVE_SENDMMSG': ('sendmmsg', 'sys/socket.h'), 'HAVE_SOCKET': ('socket', 'sys/socket.h'), 'HAVE_GETENV': ('getenv', 'stdlib.h'), 'HAVE_SETENV': ('setenv', 'stdlib.h'), 'HAVE_PUTENV': ('putenv', 'stdlib.h'), 'HAVE_UNSETENV': ('unsetenv', 'stdlib.h'), 'HAVE_SETMNTENT': ('setmntent', 'mntent.h'), 'HAVE_SNPRINTF': ('snprintf', 'stdio.h'), 'HAVE_SPLICE': ('splice', 'fcntl.h'), 'HAVE_STATFS': ('statfs', 'mount.h'), 'HAVE_STATVFS': ('statvfs', 'sys/statvfs.h'), 'HAVE_STPCOPY': ('stpcopy', 'string.h'), 'HAVE_STRCASECMP': ('strcasecmp', 'strings.h'), 'HAVE_STRLCPY': ('strlcpy', 'string.h'), 'HAVE_STRNCASECMP': ('strncasecmp', 'strings.h'), 'HAVE_STRSIGNAL': ('strsignal', 'signal.h'), 'HAVE_STRTOD_L': ('strtod_l', 'stdlib.h'), 'HAVE_STRTOLL_L': ('strtoll_l', 'stdlib.h'), 'HAVE_STRTOULL_L': ('strtoull_l', 'stdlib.h'), 'HAVE_SYMLINK': ('symlink', 'unistd.h'), 'HAVE_SYSCTLBYNAME': ('sysctlbyname', 'sys/sysctl.h'), 'HAVE_TIMEGM': ('timegm', 'time.h'), 'HAVE_USELOCALE': ('uselocale', 'xlocale.h'), 'HAVE_UTIMES': ('utimes', 'sys/time.h'), 'HAVE_VALLOC': ('valloc', 'stdlib.h'), 'HAVE_VASPRINTF': ('vasprintf', 'stdio.h'), 'HAVE_VSNPRINTF': ('vsnprintf', 'stdio.h'), 'HAVE_BCOPY': ('bcopy', 'strings.h'), 'HAVE_STRERROR': ('strerror', 'string.h'), 'HAVE_MEMMOVE': ('memmove', 'string.h'), 'HAVE_STRTOIMAX': ('strtoimax', 'inttypes.h'), 'HAVE_STRTOLL': ('strtoll', 'stdlib.h'), 'HAVE_STRTOQ': ('strtoq', 'stdlib.h'), 'HAVE_ACCEPT4': ('accept4', 'sys/socket.h'), 'HAVE_CHMOD': ('chmod', 'sys/stat.h'), 'HAVE_CHOWN': ('chown', 'unistd.h'), 'HAVE_FSTAT': ('fstat', 'sys/stat.h'), 'HAVE_GETADDRINFO': ('getaddrinfo', 'netdb.h'), 'HAVE_GETGRGID_R': ('getgrgid_r', 'grp.h'), 'HAVE_GETGRNAM_R': ('getgrnam_r', 'grp.h'), 'HAVE_GETGROUPS': ('getgroups', 'grp.h'), 'HAVE_GETOPT_LONG': ('getopt_long', 'getopt.h'), 'HAVE_GETPWNAM_R': ('getpwnam', 'pwd.h'), 'HAVE_GETPWUID_R': ('getpwuid_r', 'pwd.h'), 'HAVE_GETUID': ('getuid', 'unistd.h'), 'HAVE_LRINTF': ('lrintf', 'math.h'), 'HAVE_DECL_ISNAN': ('isnan', 'math.h'), 'HAVE_DECL_ISINF': ('isinf', 'math.h'), 'HAVE_ROUND': ('round', 'math.h'), 'HAVE_NEARBYINT': ('nearbyint', 'math.h'), 'HAVE_RINT': ('rint', 'math.h'), 'HAVE_MKFIFO': ('mkfifo', 'sys/stat.h'), 'HAVE_MLOCK': ('mlock', 'sys/mman.h'), 'HAVE_NANOSLEEP': ('nanosleep', 'time.h'), 'HAVE_PIPE': ('pipe', 'unistd.h'), 'HAVE_PPOLL': ('ppoll', 'poll.h'), 'HAVE_REGEXEC': ('regexec', 'regex.h'), 'HAVE_SETEGID': ('setegid', 'unistd.h'), 'HAVE_SETEUID': ('seteuid', 'unistd.h'), 'HAVE_SETPGID': ('setpgid', 'unistd.h'), 'HAVE_SETREGID': ('setregid', 'unistd.h'), 'HAVE_SETRESGID': ('setresgid', 'unistd.h'), 'HAVE_SETRESUID': ('setresuid', 'unistd.h'), 'HAVE_SHM_OPEN': ('shm_open', 'fcntl.h'), 'HAVE_SLEEP': ('sleep', 'unistd.h'), 'HAVE_STRERROR_R': ('strerror_r', 'string.h'), 'HAVE_STRTOF': ('strtof', 'stdlib.h'), 'HAVE_SYSCONF': ('sysconf', 'unistd.h'), 'HAVE_USLEEP': ('usleep', 'unistd.h'), 'HAVE_VFORK': ('vfork', 'unistd.h'), 'HAVE_MALLOC': ('malloc', 'stdlib.h'), 'HAVE_CALLOC': ('calloc', 'stdlib.h'), 'HAVE_REALLOC': ('realloc', 'stdlib.h'), 'HAVE_FREE': ('free', 'stdlib.h'), 'HAVE_ALLOCA': ('alloca', 'alloca.h'), 'HAVE_QSORT': ('qsort', 'stdlib.h'), 'HAVE_ABS': ('abs', 'stdlib.h'), 'HAVE_MEMSET': ('memset', 'string.h'), 'HAVE_MEMCMP': ('memcmp', 'string.h'), 'HAVE_STRLEN': ('strlen', 'string.h'), 'HAVE_STRLCAT': ('strlcat', 'string.h'), 'HAVE_STRDUP': ('strdup', 'string.h'), 'HAVE__STRREV': ('_strrev', 'string.h'), 'HAVE__STRUPR': ('_strupr', 'string.h'), 'HAVE__STRLWR': ('_strlwr', 'string.h'), 'HAVE_INDEX': ('index', 'strings.h'), 'HAVE_RINDEX': ('rindex', 'strings.h'), 'HAVE_STRCHR': ('strchr', 'string.h'), 'HAVE_STRRCHR': ('strrchr', 'string.h'), 'HAVE_STRSTR': ('strstr', 'string.h'), 'HAVE_STRTOL': ('strtol', 'stdlib.h'), 'HAVE_STRTOUL': ('strtoul', 'stdlib.h'), 'HAVE_STRTOULL': ('strtoull', 'stdlib.h'), 'HAVE_STRTOD': ('strtod', 'stdlib.h'), 'HAVE_ATOI': ('atoi', 'stdlib.h'), 'HAVE_ATOF': ('atof', 'stdlib.h'), 'HAVE_STRCMP': ('strcmp', 'string.h'), 'HAVE_STRNCMP': ('strncmp', 'string.h'), 'HAVE_VSSCANF': ('vsscanf', 'stdio.h'), 'HAVE_ATAN': ('atan', 'math.h'), 'HAVE_ATAN2': ('atan2', 'math.h'), 'HAVE_ACOS': ('acos', 'math.h'), 'HAVE_ASIN': ('asin', 'math.h'), 'HAVE_ASINH': ('asinh', 'math.h'), 'HAVE_CEIL': ('ceil', 'math.h'), 'HAVE_COPYSIGN': ('copysign', 'math.h'), 'HAVE_COS': ('cos', 'math.h'), 'HAVE_COSH': ('cosh', 'math.h'), 'HAVE_COSF': ('cosf', 'math.h'), 'HAVE_FABS': ('fabs', 'math.h'), 'HAVE_FLOOR': ('floor', 'math.h'), 'HAVE_ISINF': ('isinf', 'math.h'), 'HAVE_LOG': ('log', 'math.h'), 'HAVE_POW': ('pow', 'math.h'), 'HAVE_SCALBN': ('scalbn', 'math.h'), 'HAVE_SIN': ('sin', 'math.h'), 'HAVE_SINF': ('sinf', 'math.h'), 'HAVE_SINH': ('sinh', 'math.h'), 'HAVE_SQRT': ('sqrt', 'math.h'), 'HAVE_FSEEKO': ('fseeko', 'stdio.h'), 'HAVE_FSEEKO64': ('fseeko64', 'stdio.h'), 'HAVE_SETJMP': ('setjmp', 'setjmp.h'), 'HAVE_PTHREAD_SETNAME_NP': ('pthread_setname_np', 'pthread.h'), 'HAVE_PTHREAD_SET_NAME_NP': ('pthread_set_name_np', 'pthread.h'), } headers = [] functions = [] sizes = [] with open(sys.argv[1]) as f: for line in f: line = line.strip() arr = line.split() # Check for headers. if line.startswith('#mesondefine') and line.endswith('_H'): token = line.split()[1] tarr = token.split('_')[1:-1] tarr = [x.lower() for x in tarr] hname = '/'.join(tarr) + '.h' headers.append((token, hname)) # Check for functions. try: token = arr[1] if token in function_data: fdata = function_data[token] functions.append((token, fdata[0], fdata[1])) elif token.startswith('HAVE_') and not token.endswith('_H'): functions.append((token, )) except Exception: pass # Check for sizeof tests. if len(arr) != 2: continue elem = arr[1] if elem.startswith('SIZEOF_'): typename = elem.split('_', 1)[1] \ .replace('_P', '*') \ .replace('_', ' ') \ .lower() \ .replace('size t', 'size_t') sizes.append((elem, typename)) print('''cc = meson.get_compiler('c') cdata = configuration_data()''') # Convert header checks. print('check_headers = [') for token, hname in headers: print(" ['%s', '%s']," % (token, hname)) print(']\n') print('''foreach h : check_headers if cc.has_header(h.get(1)) cdata.set(h.get(0), 1) endif endforeach ''') # Convert function checks. print('check_functions = [') for token in functions: if len(token) == 3: token, fdata0, fdata1 = token print(" ['%s', '%s', '#include<%s>']," % (token, fdata0, fdata1)) else: print('# check token', token) print(']\n') print('''foreach f : check_functions if cc.has_function(f.get(1), prefix : f.get(2)) cdata.set(f.get(0), 1) endif endforeach ''') # Convert sizeof checks. for elem, typename in sizes: print("cdata.set('%s', cc.sizeof('%s'))" % (elem, typename)) print(''' configure_file(input : 'config.h.meson', output : 'config.h', configuration : cdata)''')