#!/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 print('''cc = meson.get_compiler('c') cdata = configuration_data()''') print('check_headers = [') for line in open(sys.argv[1]): line = line.strip() 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' 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 ''') # 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_SETENV': ('setenv', '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_UNSETENV': ('unsetenv', 'stdlib.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_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'), } print('check_functions = [') for line in open(sys.argv[1]): try: token = line.split()[1] if token in function_data: fdata = function_data[token] print(" ['%s', '%s', '#include<%s>']," % (token, fdata[0], fdata[1])) elif token.startswith('HAVE_') and not token.endswith('_H'): print('# check token', token) except Exception: pass 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 line in open(sys.argv[1]): arr = line.strip().split() 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') print("cdata.set('%s', cc.sizeof('%s'))" % (elem, typename)) print(''' configure_file(input : 'config.h.in', output : 'config.h', configuration : cdata)''')