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#!/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)''')
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