build: Set HAVE_SYS_QUOTAS and WITH_QUOTAS if we have any supported sysquota backend
[samba.git] / source3 / wscript
1 #! /usr/bin/env python
2
3 srcdir=".."
4
5 import sys, os
6 from optparse import SUPPRESS_HELP
7 sys.path.insert(0, srcdir+"/buildtools/wafsamba")
8 sys.path.insert(0, "source3")
9 import wafsamba, Options, Logs, Utils, Scripting
10 import build.charset
11 import samba_utils, samba_version
12 import samba3
13
14 Options.default_prefix = '/usr/local/samba'
15
16 def set_options(opt):
17
18     opt.add_option('--with-static-modules',
19                    help=("Comma-separated list of names of modules to statically link in"),
20                    action="store", dest='static_modules', default=None)
21     opt.add_option('--with-shared-modules',
22                    help=("Comma-separated list of names of modules to build shared"),
23                    action="store", dest='shared_modules', default=None)
24
25     opt.SAMBA3_ADD_OPTION('winbind')
26     opt.SAMBA3_ADD_OPTION('swat')
27     opt.SAMBA3_ADD_OPTION('ads')
28     opt.SAMBA3_ADD_OPTION('ldap')
29     opt.SAMBA3_ADD_OPTION('cups', with_name="enable", without_name="disable")
30     opt.SAMBA3_ADD_OPTION('iprint', with_name="enable", without_name="disable")
31     opt.SAMBA3_ADD_OPTION('pam')
32     opt.SAMBA3_ADD_OPTION('pam_smbpass')
33     opt.SAMBA3_ADD_OPTION('quotas')
34     opt.SAMBA3_ADD_OPTION('sys-quotas')
35     opt.SAMBA3_ADD_OPTION('sendfile-support')
36     opt.SAMBA3_ADD_OPTION('utmp')
37     opt.SAMBA3_ADD_OPTION('pthreadpool', with_name="enable", without_name="disable", default=True)
38     opt.SAMBA3_ADD_OPTION('avahi', with_name="enable", without_name="disable")
39     opt.SAMBA3_ADD_OPTION('iconv')
40     opt.SAMBA3_ADD_OPTION('acl-support')
41     opt.SAMBA3_ADD_OPTION('dnsupdate')
42     opt.SAMBA3_ADD_OPTION('syslog')
43     opt.SAMBA3_ADD_OPTION('automount')
44     opt.SAMBA3_ADD_OPTION('aio-support')
45     opt.SAMBA3_ADD_OPTION('profiling-data', default=False)
46
47     opt.SAMBA3_ADD_OPTION('cluster-support')
48
49     opt.add_option('--with-ctdb-dir',
50                    help=("Directory under which ctdb is installed"),
51                    action="store", dest='ctdb_dir', default=None)
52     opt.add_option('--enable-old-ctdb',
53                   help=("enable building against (too) old version of ctdb (default=false)"),
54                   action="store_true", dest='enable_old_ctdb', default=False)
55
56
57
58 def configure(conf):
59     from samba_utils import TO_LIST
60
61     default_static_modules = []
62     default_shared_modules = []
63
64     if Options.options.developer:
65         conf.ADD_CFLAGS('-DDEVELOPER -DDEBUG_PASSWORD')
66         conf.env.developer = True
67
68     if Options.options.with_swat:
69         conf.env['build_swat'] = True
70
71     if sys.platform != 'openbsd5':
72         conf.ADD_LDFLAGS("-Wl,--export-dynamic", testflags=True)
73
74     conf.CHECK_HEADERS('execinfo.h libexc.h libunwind.h netdb.h')
75     conf.CHECK_HEADERS('linux/falloc.h')
76
77     conf.CHECK_FUNCS('getcwd fchown chmod fchmod mknod')
78     conf.CHECK_FUNCS('strtol strchr strupr chflags')
79     conf.CHECK_FUNCS('getrlimit fsync fdatasync setpgid')
80     conf.CHECK_FUNCS('setsid glob strpbrk crypt16 getauthuid')
81     conf.CHECK_FUNCS('sigprocmask sigblock sigaction sigset innetgr')
82     conf.CHECK_FUNCS('initgroups select poll rdchk getgrnam getgrent pathconf')
83     conf.CHECK_FUNCS('setpriv setgidx setuidx setgroups syscall sysconf')
84     conf.CHECK_FUNCS('atexit grantpt fallocate posix_fallocate')
85     conf.CHECK_FUNCS('fseeko setluid')
86     conf.CHECK_FUNCS('getpwnam', headers='sys/types.h pwd.h')
87     conf.CHECK_FUNCS('fdopendir')
88     conf.CHECK_FUNCS('getpwent_r setenv strcasecmp fcvt fcvtl')
89     conf.CHECK_FUNCS('syslog vsyslog timegm setlocale')
90     conf.CHECK_FUNCS_IN('nanosleep', 'rt')
91     conf.CHECK_FUNCS('lutimes futimes utimensat futimens')
92     conf.CHECK_FUNCS('mlock munlock mlockall munlockall')
93     conf.CHECK_FUNCS('memalign posix_memalign hstrerror')
94     conf.CHECK_FUNCS('shmget')
95     conf.CHECK_FUNCS_IN('shm_open', 'rt', checklibc=True)
96     conf.CHECK_FUNCS('gettext dgettext bindtextdomain textdomain bind_textdomain_codeset')
97     #FIXME: for some reason this one still fails
98     conf.CHECK_FUNCS_IN('yp_get_default_domain', 'nsl')
99     conf.CHECK_FUNCS_IN('dn_expand _dn_expand __dn_expand', 'resolv')
100     conf.CHECK_FUNCS_IN('dn_expand', 'inet')
101     conf.CHECK_DECLS('fdatasync', reverse=True)
102     conf.CHECK_DECLS('readahead', reverse=True, headers='fcntl.h')
103
104     if conf.CONFIG_SET('HAVE_LONG_LONG'):
105         conf.DEFINE('HAVE_LONGLONG', 1)
106
107     if conf.CHECK_CODE('''
108 #if defined(HAVE_UNISTD_H)
109 #include <unistd.h>
110 #endif
111 long ret = splice(0,0,1,0,400,SPLICE_F_MOVE);
112 ''',
113         'HAVE_LINUX_SPLICE',
114         headers='fcntl.h'):
115         conf.CHECK_DECLS('splice', reverse=True, headers='fcntl.h')
116
117     # Check for inotify support
118     conf.CHECK_HEADERS('sys/inotify.h')
119     if "HAVE_SYS_INOTIFY_H" in conf.env:
120         conf.DEFINE('HAVE_INOTIFY', 1)
121
122     # Check for kernel change notify support
123     conf.CHECK_CODE('''
124 #ifndef F_NOTIFY
125 #define F_NOTIFY 1026
126 #endif
127 main() {
128         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
129 }''', 'HAVE_KERNEL_CHANGE_NOTIFY', addmain=False, execute=True,
130         headers='fcntl.h signal.h',
131         msg="Checking for kernel change notify support")
132
133     # Check for Linux kernel oplocks
134     conf.CHECK_CODE('''
135 #include <sys/types.h>
136 #include <fcntl.h>
137 #include <signal.h>
138 #ifndef F_NOTIFY
139 #define F_NOTIFY 1026
140 #endif
141 main() {
142         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
143 }''', 'HAVE_KERNEL_OPLOCKS_LINUX', addmain=False, execute=True,
144         msg="Checking for Linux kernel oplocks")
145
146     # Check for IRIX kernel oplock types
147     conf.CHECK_CODE('oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;',
148                     'HAVE_KERNEL_OPLOCKS_IRIX', headers='fcntl.h',
149                     msg="Checking for IRIX kernel oplock types")
150
151     # Check for kernel share modes
152     conf.CHECK_CODE('''
153 #include <sys/types.h>
154 #include <fcntl.h>
155 #include <signal.h>
156 #include <sys/file.h>
157 #ifndef LOCK_MAND
158 #define LOCK_MAND        32
159 #define LOCK_READ        64
160 #endif
161 main() {
162         exit(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
163 }''', 'HAVE_KERNEL_SHARE_MODES', addmain=False, execute=True,
164         msg="Checking for krenel share modes")
165
166     # Check for various members of the stat structure
167     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blocks', define='HAVE_STAT_ST_BLOCKS',
168                                 headers='sys/stat.h')
169     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blksize', define='HAVE_STAT_ST_BLKSIZE',
170                                 headers='sys/stat.h')
171     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_flags', define='HAVE_STAT_ST_FLAGS',
172                                 headers='sys/types.h sys/stat.h unistd.h')
173
174     if "HAVE_BLKCNT_T" in conf.env:
175         conf.CHECK_CODE('''
176         return sizeof(blkcnt_t) == 4 ? 0 : 1''',
177                 'SIZEOF_BLKCNT_T_4', execute=True,
178                 headers='replace.h sys/types.h sys/stat.h unistd.h',
179                 msg="Checking whether blkcnt_t is 32 bit")
180
181     if "HAVE_BLKCNT_T" in conf.env:
182         conf.CHECK_CODE('''
183         return sizeof(blkcnt_t) == 8 ? 0 : 1''',
184                 'SIZEOF_BLKCNT_T_8', execute=True,
185                 headers='replace.h sys/types.h sys/stat.h unistd.h',
186                 msg="Checking whether blkcnt_t is 64 bit")
187
188     # Check for POSIX capability support
189     conf.CHECK_FUNCS_IN('cap_get_proc', 'cap', headers='sys/capability.h')
190
191     if "HAVE_SYS_CAPABILITY_H" in conf.env:
192         conf.CHECK_CODE('''
193         cap_t cap;
194         cap_value_t vals[1];
195         if (!(cap = cap_get_proc())) exit(1);
196         vals[0] = CAP_CHOWN;
197         cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
198         cap_set_proc(cap);''',
199                         'HAVE_POSIX_CAPABILITIES', execute=True, lib="cap",
200                         headers='sys/capability.h',
201                         msg="Checking whether POSIX capabilities are available")
202
203     # Check for int16, uint16, int32 and uint32 in rpc/types.h included from
204     # rpc/rpc.h. This is *really* broken but some systems (DEC OSF1) do this.
205     # -- JRA.
206     if conf.CONFIG_SET("HAVE_RPC_RPC_H"):
207         conf.CHECK_TYPE('int16', headers='rpc/rpc.h',
208                         define='HAVE_INT16_FROM_RPC_RPC_H',
209                         msg="Checking for int16 typedef included by rpc/rpc.h")
210         conf.CHECK_CODE('uint16 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
211                         headers='sys/types.h rpc/rpc.h',
212                         msg="Checking for uint16 typedef included by rpc/rpc.h")
213         conf.CHECK_CODE('int32 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
214                         headers='sys/types.h rpc/rpc.h',
215                         msg="Checking for int32 typedef included by rpc/rpc.h")
216         conf.CHECK_CODE('uint32 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
217                         headers='sys/types.h rpc/rpc.h',
218                         msg="Checking for uint32 typedef included by rpc/rpc.h")
219     conf.CHECK_CODE('int i;', 'BROKEN_NISPLUS_INCLUDE_FILES',
220                     headers='sys/types.h sys/acl.h rpcsvc/nis.h',
221                     msg="Checking for broken nisplus include files")
222
223     # Check if the compiler will optimize out functions
224     conf.CHECK_CODE('''
225 if (0) {
226     this_function_does_not_exist();
227 } else {
228     return 1;
229 }''', 'HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS',
230         msg="Checking if the compiler will optimize out functions")
231
232     # Check if the compiler supports the LL suffix on long long integers
233     # AIX needs this
234     conf.CHECK_CODE('long long i = 0x8000000000LL', 'COMPILER_SUPPORTS_LL',
235                     headers='stdio.h',
236                     msg="Checking for LL suffix on long long integers")
237
238     conf.CHECK_FUNCS('''
239 _acl __acl atexit 
240 bindtextdomain _chdir __chdir chflags chmod _close __close _closedir
241 __closedir crypt16 devnm dgettext dirfd
242 DNSServiceRegister _dup __dup _dup2 __dup2 endmntent execl
243 _facl __facl _fchdir
244 __fchdir fchmod fchown _fcntl __fcntl fcvt fcvtl fdatasync
245 _fork __fork fseeko
246 fsetxattr _fstat __fstat fsync
247 futimens futimes __fxstat getauthuid
248 getcwd _getcwd __getcwd getdents __getdents getdirentries
249 getgrent getgrnam getgrouplist getgrset getmntent getpagesize
250 getpwanam getpwent_r getrlimit gettext
251 glob grantpt hstrerror initgroups innetgr
252 llseek _llseek __llseek _lseek __lseek
253 _lstat __lstat lutimes
254 __lxstat memalign mknod mlock mlockall munlock munlockall
255 _open __open _opendir __opendir
256 pathconf poll posix_fallocate
257 posix_memalign prctl pread _pread __pread
258 pwrite _pwrite __pwrite
259 rdchk _read __read _readdir __readdir
260 _seekdir __seekdir
261 select setenv setgidx setgroups setlocale setluid
262 setmntent setpgid setpriv setsid setuidx
263 shmget shm_open sigaction sigblock sigprocmask sigset
264 _stat __stat statvfs
265 strcasecmp strchr strpbrk strsignal strtol strupr sysconf sysctl sysctlbyname
266 __sys_llseek syslog _telldir __telldir textdomain timegm
267 utimensat vsyslog _write __write __xstat
268 ''')
269
270     conf.CHECK_SAMBA3_CHARSET() # see build/charset.py
271
272     # FIXME: these should be tests for features, but the old build system just
273     # checks for OSes.
274     host_os = sys.platform
275     Logs.info("building on %s" % host_os)
276
277     # Python doesn't have case switches... :/
278     # FIXME: original was *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu | *qnx*)
279     # the search for .rfind('gnu') covers gnu* and *-gnu is that too broad?
280
281     conf.SET_TARGET_TYPE('sunacl', 'EMPTY')
282     if (host_os.rfind('linux') > -1) or (host_os.rfind('gnu') > -1) or (host_os.rfind('qnx') > -1):
283         if host_os.rfind('linux') > -1:
284             conf.DEFINE('LINUX', '1')
285         elif host_os.rfind('qnx') > -1:
286             conf.DEFINE('QNX', '1')
287         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
288     elif (host_os.rfind('darwin') > -1):
289         conf.DEFINE('DARWINOS', 1)
290         conf.ADD_CFLAGS('-fno-common')
291         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
292     elif (host_os.rfind('freebsd') > -1):
293         if conf.CHECK_HEADERS('sunacl.h'):
294             conf.DEFINE('HAVE_FREEBSD_SUNACL_H', '1')
295             conf.CHECK_FUNCS_IN('acl', 'sunacl')
296         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
297     elif (host_os.rfind('irix') > -1):
298         conf.DEFINE('IRIX', 1)
299         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
300     elif (host_os.rfind('aix') > -1):
301         conf.DEFINE('AIX', 1)
302         conf.DEFINE('STAT_ST_BLOCKSIZE', 'DEV_BSIZE')
303     elif (host_os.rfind('hpux') > -1):
304         conf.DEFINE('HPUX', 1)
305         conf.DEFINE('STAT_ST_BLOCKSIZE', '8192')
306     elif (host_os.rfind('osf') > -1):
307         conf.DEFINE('OSF1', 1)
308         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
309
310     # FIXME: Add more checks here.
311     else:
312         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
313
314     if Options.options.with_acl_support:
315         if (host_os.rfind('sysv5') > -1) and conf.CHECK_FUNCS_IN('sec', 'facl', checklibc=True):
316                 Logs.info('Using UnixWare ACLs')
317                 conf.DEFINE('HAVE_UNIXWARE_ACLS',1)
318                 default_static_modules.extend(TO_LIST('vfs_solarisacl'))
319         elif (host_os.rfind('solaris') > -1) and conf.CHECK_FUNCS_IN('sec', 'facl'):
320                 Logs.info('Using solaris ACLs')
321                 conf.DEFINE('HAVE_SOLARIS_ACLS',1)
322                 default_static_modules.extend(TO_LIST('vfs_solarisacl'))
323         elif (host_os.rfind('hpux') > -1):
324                 Logs.info('Using HPUX ACLs')
325                 conf.DEFINE('HAVE_HPUX_ACLS',1)
326                 conf.DEFINE('POSIX_ACL_NEEDS_MASK',1)
327                 default_static_modules.extend(TO_LIST('vfs_hpuxacl'))
328         elif (host_os.rfind('irix') > -1):
329                 Logs.info('Using IRIX ACLs')
330                 conf.DEFINE('HAVE_IRIX_ACLS',1)
331                 default_static_modules.extend(TO_LIST('vfs_irixacl'))
332         elif (host_os.rfind('aix') > -1):
333                 Logs.info('Using AIX ACLs')
334                 conf.DEFINE('HAVE_AIX_ACLS',1)
335                 default_static_modules.extend(TO_LIST('vfs_aixacl'))
336         elif (host_os.rfind('osf') > -1) and conf.CHECK_FUNCS_IN('pacl', 'acl_get_fd'):
337                 Logs.info('Using Tru64 ACLs')
338                 conf.DEFINE('HAVE_TRU64_ACLS',1)
339                 default_static_modules.extend(TO_LIST('vfs_tru64acl'))
340         elif (host_os.rfind('darwin') > -1):
341             Logs.warn('ACLs on Dwarwin currently not supported')
342         else:
343             conf.CHECK_FUNCS_IN('acl_get_file', 'acl')
344             if conf.CHECK_CODE('''
345 acl_t acl;
346 int entry_id;
347 acl_entry_t *entry_p;
348 return acl_get_entry(acl, entry_id, entry_p);
349 ''',
350                         'HAVE_POSIX_ACLS',
351                         headers='sys/types.h sys/acl.h', link=False,
352                         msg="Checking for POSIX ACL support") :
353                 conf.CHECK_CODE('''
354 acl_permset_t permset_d;
355 acl_perm_t perm;
356 return acl_get_perm_np(permset_d, perm);
357 ''',
358                         'HAVE_ACL_GET_PERM_NP',
359                         headers='sys/types.h sys/acl.h', link=True,
360                         msg="Checking whether acl_get_perm_np() is available")
361                 default_static_modules.extend(TO_LIST('vfs_posixacl'))
362
363
364     if conf.CHECK_FUNCS('dirfd'):
365         conf.DEFINE('HAVE_DIRFD_DECL', 1)
366
367     conf.CHECK_CODE('struct statfs fsd; fsid_t fsid = fsd.f_fsid; return statfs(".", &fsd);',
368                     'HAVE_STATFS_F_FSID',
369                     msg="vfs_fileid: checking for statfs() and struct statfs.f_fsid",
370                     headers='sys/types.h sys/statfs.h',
371                     execute=True)
372
373     if conf.CONFIG_SET('HAVE_FALLOCATE'):
374         conf.CHECK_CODE('''
375                 int ret = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 10);''',
376                 'HAVE_LINUX_FALLOCATE',
377                 msg="Checking whether the Linux 'fallocate' function is available",
378                 headers='unistd.h sys/types.h fcntl.h linux/falloc.h')
379     conf.CHECK_CODE('''
380                 ssize_t err = readahead(0,0,0x80000);''',
381                 'HAVE_LINUX_READAHEAD',
382                 msg="Checking whether Linux readahead is available",
383                 headers='unistd.h fcntl.h')
384     conf.CHECK_DECLS('readahead', headers='fcntl.h', always=True)
385
386     conf.CHECK_CODE('int fd = openat(AT_FDCWD, ".", O_RDONLY);',
387                 'HAVE_OPENAT',
388                 msg='Checking for openat',
389                 headers='fcntl.h')
390
391     if Options.options.with_aio_support:
392         conf.CHECK_FUNCS_IN('aio_read', 'aio')
393         conf.CHECK_FUNCS_IN('aio_read', 'rt')
394         conf.CHECK_CODE('struct aiocb a; return aio_read(&a);',
395                         'HAVE_AIO',
396                         msg='Checking for asynchronous io support',
397                         headers='sys/types.h aio.h',
398                         lib='aio rt')
399         if conf.CONFIG_SET('HAVE_AIO'):
400             conf.CHECK_CODE('struct aiocb a; return aio_read(&a);', 'HAVE_AIO_READ', msg='Checking for aio_read', headers='aio.h', lib='aio rt')
401             conf.CHECK_CODE('struct aiocb a; return aio_write(&a);', 'HAVE_AIO_WRITE', msg='Checking for aio_write', headers='aio.h', lib='aio rt')
402             conf.CHECK_CODE('struct aiocb a; return aio_fsync(1, &a);', 'HAVE_AIO_FSYNC', msg='Checking for aio_fsync', headers='aio.h', lib='aio rt')
403             conf.CHECK_CODE('struct aiocb a; return aio_return(&a);', 'HAVE_AIO_RETURN', msg='Checking for aio_return', headers='aio.h', lib='aio rt')
404             conf.CHECK_CODE('struct aiocb a; return aio_error(&a);', 'HAVE_AIO_ERROR', msg='Checking for aio_error', headers='aio.h', lib='aio rt')
405             conf.CHECK_CODE('struct aiocb a; return aio_cancel(1, &a);', 'HAVE_AIO_CANCEL', msg='Checking for aio_cancel', headers='aio.h', lib='aio rt')
406             conf.CHECK_CODE('struct aiocb a; return aio_suspend(&a, 1, NULL);', 'HAVE_AIO_SUSPEND', msg='Checking for aio_suspend', headers='aio.h', lib='aio rt')
407         if not conf.CONFIG_SET('HAVE_AIO'):
408             conf.DEFINE('HAVE_NO_AIO', '1')
409     else:
410         conf.DEFINE('HAVE_NO_AIO', '1')
411
412     if host_os.rfind('linux') > -1:
413         conf.CHECK_FUNCS_IN('io_submit', 'aio')
414         conf.CHECK_CODE('''
415 struct io_event ioev;
416 struct iocb *ioc;
417 io_context_t ctx;
418 struct timespec ts;
419 int fd;
420 char *buf;
421 fd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
422 io_queue_init(128,&ctx);
423 io_prep_pwrite(ioc, 1, buf, 1, 0);
424 io_prep_pread(ioc, 1, buf, 1, 0);
425 io_set_eventfd(ioc, fd);
426 io_set_callback(ioc, (io_callback_t)(0));
427 io_submit(ctx, 1, &ioc);
428 io_getevents(ctx, 1, 1, &ioev, &ts);
429 ''',
430                         'HAVE_LINUX_KERNEL_AIO',
431                         msg='Checking for linux kernel asynchronous io support',
432                         headers='unistd.h stdlib.h sys/types.h fcntl.h sys/eventfd.h libaio.h',
433                         lib='aio')
434
435     conf.CHECK_CODE('''
436 struct msghdr msg;
437 union {
438         struct cmsghdr cm;
439         char control[CMSG_SPACE(sizeof(int))];
440 } control_un;
441 msg.msg_control = control_un.control;
442 msg.msg_controllen = sizeof(control_un.control);
443 ''',
444         'HAVE_MSGHDR_MSG_CONTROL',
445         msg='Checking if we can use msg_control for passing file descriptors',
446         headers='sys/types.h stdlib.h stddef.h sys/socket.h sys/un.h')
447     conf.CHECK_CODE('''
448 struct msghdr msg;
449 int fd;
450 msg.msg_acctrights = (caddr_t) &fd;
451 msg.msg_acctrightslen = sizeof(fd);
452 ''',
453         'HAVE_MSGHDR_MSG_ACCTRIGHTS',
454         msg='Checking if we can use msg_acctrights for passing file descriptors',
455         headers='sys/types.h stdlib.h stddef.h sys/socket.h sys/un.h')
456
457     if Options.options.with_winbind:
458         conf.env.build_winbind = True
459         conf.DEFINE('WITH_WINBIND', '1')
460
461     conf.find_program('awk', var='AWK')
462     conf.find_program('perl', var='PERL')
463
464     conf.CHECK_HEADERS('asm/types.h')
465
466     conf.CHECK_CODE('dev_t dev; int i = major(dev); return 0', "HAVE_DEVICE_MAJOR_FN",
467                     headers='unistd.h sys/types.h',
468                     msg="Checking for major macro")
469
470     conf.CHECK_CODE('dev_t dev; int i = minor(dev); return 0', "HAVE_DEVICE_MINOR_FN",
471                     headers='unistd.h sys/types.h',
472                     msg="Checking for minor macro")
473
474     conf.CHECK_STRUCTURE_MEMBER('struct dirent', 'd_off',
475                                 headers='unistd.h sys/types.h dirent.h',
476                                 define='HAVE_DIRENT_D_OFF')
477
478     conf.CHECK_FUNCS('setnetgrent getnetgrent endnetgrent')
479     if conf.CHECK_CFLAGS('-Werror-implicit-function-declaration'):
480         netgrent_cflags = '-Werror-implicit-function-declaration'
481     else:
482         netgrent_cflags = ''
483     conf.CHECK_CODE('setnetgrent("foo")', 'HAVE_SETNETGRENT_PROTOTYPE',
484                     msg="Checking for setnetgrent prototype",
485                     headers='netdb.h netgroup.h',
486                     cflags=netgrent_cflags)
487     conf.CHECK_CODE('getnetgrent', 'HAVE_GETNETGRENT_PROTOTYPE',
488                     msg="Checking for getnetgrent prototype",
489                     headers='netdb.h netgroup.h',
490                     cflags=netgrent_cflags)
491     conf.CHECK_CODE('endnetgrent', 'HAVE_ENDNETGRENT_PROTOTYPE',
492                     msg="Checking for endnetgrent prototype",
493                     headers='netdb.h netgroup.h',
494                     cflags=netgrent_cflags)
495
496
497     # Look for CUPS
498     if Options.options.with_cups:
499         conf.find_program('cups-config', var='CUPS_CONFIG')
500         if conf.env.CUPS_CONFIG:
501             # we would normally use --libs here, but cups-config incorrectly adds
502             # gssapi_krb5 and other libraries to its --libs output. That breaks the use
503             # of an in-tree heimdal kerberos
504             conf.check_cfg(path=conf.env.CUPS_CONFIG, args="--cflags --ldflags",
505                            package="", uselib_store="CUPS")
506         conf.CHECK_HEADERS('cups/cups.h cups/language.h', lib='cups')
507         conf.CHECK_FUNCS_IN('httpConnect httpConnectEncrypt', 'cups')
508         if conf.CONFIG_SET('HAVE_CUPS_CUPS_H') and conf.CONFIG_SET('HAVE_CUPS_LANGUAGE_H'):
509             conf.DEFINE('HAVE_CUPS', '1')
510         else:
511             conf.undefine('HAVE_CUPS')
512             conf.SET_TARGET_TYPE('cups', 'EMPTY')
513     else:
514         # define an empty subsystem for cups, to allow it to be used as an empty dependency
515         conf.SET_TARGET_TYPE('cups', 'EMPTY')
516
517     if Options.options.with_iprint:
518         if conf.CONFIG_SET('HAVE_CUPS'):
519             conf.DEFINE('HAVE_IPRINT', '1')
520         else:
521             Logs.warn("--enable-iprint=yes but cups support not sufficient")
522     if Options.options.with_syslog:
523         conf.DEFINE('WITH_SYSLOG', '1')
524     if Options.options.with_automount:
525         conf.DEFINE('WITH_AUTOMOUNT', '1')
526
527     # Check for LDAP
528     if Options.options.with_ldap:
529         conf.CHECK_HEADERS('ldap.h lber.h ldap_pvt.h')
530         conf.CHECK_TYPE('ber_tag_t', 'unsigned int', headers='ldap.h lber.h')
531         conf.CHECK_FUNCS_IN('ber_scanf ber_sockbuf_add_io', 'lber')
532         conf.CHECK_VARIABLE('LDAP_OPT_SOCKBUF', headers='ldap.h')
533
534         # if we LBER_OPT_LOG_PRINT_FN we can intercept ldap logging and print it out
535         # for the samba logs
536         conf.CHECK_VARIABLE('LBER_OPT_LOG_PRINT_FN',
537                             define='HAVE_LBER_LOG_PRINT_FN', headers='lber.h')
538
539         conf.CHECK_FUNCS_IN('ldap_init ldap_init_fd ldap_initialize ldap_set_rebind_proc', 'ldap')
540         conf.CHECK_FUNCS_IN('ldap_add_result_entry', 'ldap')
541
542         # Check if ldap_set_rebind_proc() takes three arguments
543         if conf.CHECK_CODE('ldap_set_rebind_proc(0, 0, 0)',
544                            'LDAP_SET_REBIND_PROC_ARGS',
545                            msg="Checking whether ldap_set_rebind_proc takes 3 arguments",
546                            headers='ldap.h lber.h', link=False):
547             conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '3')
548         else:
549             conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '2')
550
551         # last but not least, if ldap_init() exists, we want to use ldap
552         if conf.CONFIG_SET('HAVE_LDAP_INIT') and conf.CONFIG_SET('HAVE_LDAP_H'):
553             conf.DEFINE('HAVE_LDAP', '1')
554             conf.DEFINE('LDAP_DEPRECATED', '1')
555             conf.env['HAVE_LDAP'] = '1'
556             # if ber_sockbuf_add_io() and LDAP_OPT_SOCKBUF are available, we can add
557             # SASL wrapping hooks
558             if conf.CONFIG_SET('HAVE_BER_SOCKBUF_ADD_IO') and \
559                     conf.CONFIG_SET('HAVE_LDAP_OPT_SOCKBUF'):
560                 conf.DEFINE('HAVE_LDAP_SASL_WRAPPING', '1')
561     else:
562         conf.SET_TARGET_TYPE('ldap', 'EMPTY')
563         conf.SET_TARGET_TYPE('lber', 'EMPTY')
564
565     if Options.options.with_ads:
566         use_ads=True
567         if not conf.CONFIG_SET('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5') and \
568            not conf.CONFIG_SET('HAVE_ENCTYPE_ARCFOUR_HMAC'):
569             Logs.warn("arcfour-hmac-md5 encryption type not found in -lkrb5")
570             use_ads=False
571         if not conf.CONFIG_SET('HAVE_KRB5_MK_REQ_EXTENDED'):
572             Logs.warn("krb5_mk_req_extended not found in -lkrb5")
573             use_ads=False
574         if not conf.CONFIG_SET('HAVE_KRB5_GET_HOST_REALM'):
575             Logs.warn("krb5_get_host_realm not found in -lkrb5")
576             use_ads=False
577         if not conf.CONFIG_SET('HAVE_KRB5_FREE_HOST_REALM'):
578             Logs.warn("krb5_free_host_realm not found in -lkrb5")
579             use_ads=False
580         if not conf.CONFIG_SET('HAVE_KRB5_FWD_TGT_CREDS'):
581             Logs.warn("krb5_fwd_tgt_creds found in -lkrb5")
582             use_ads=False
583         if not conf.CONFIG_SET('HAVE_KRB5_GET_INIT_CREDS_OPT_ALLOC'):
584             Logs.warn("krb5_get_init_creds_opt_alloc not found in -lkrb5")
585             use_ads=False
586         if not conf.CONFIG_SET('KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT'):
587             Logs.warn("krb5_get_init_creds_opt_free was not found or was too old in -lkrb5")
588             use_ads=False
589         if not conf.CONFIG_SET('HAVE_KRB5_GET_RENEWED_CREDS'):
590             Logs.warn("krb5_get_renewed_creds not found in -lkrb5")
591             use_ads=False
592         if not conf.CONFIG_SET('HAVE_KRB5_PRINCIPAL_COMPARE_ANY_REALM'):
593             Logs.warn("krb5_principal_compare_any_realm not found in -lkrb5")
594             use_ads=False
595         if not conf.CONFIG_SET('HAVE_KRB5_C_STRING_TO_KEY') and \
596            not conf.CONFIG_SET('HAVE_KRB5_STRING_TO_KEY_SALT'):
597             Logs.warn("krb5_c_string_to_key not found in -lkrb5")
598             use_ads=False
599         if not conf.CONFIG_SET('HAVE_KRB5_PRINCIPAL2SALT') and \
600            not conf.CONFIG_SET('HAVE_KRB5_GET_PW_SALT'):
601             Logs.warn("no CREATE_KEY_FUNCTIONS detected")
602             use_ads=False
603         if not conf.CONFIG_SET('HAVE_KRB5_GET_PERMITTED_ENCTYPES') and \
604            not conf.CONFIG_SET('HAVE_KRB5_GET_DEFAULT_IN_TKT_ETYPES'):
605             Logs.warn("no GET_ENCTYPES_FUNCTIONS detected")
606             use_ads=False
607         if not conf.CONFIG_SET('HAVE_KRB5_KT_FREE_ENTRY') and \
608            not conf.CONFIG_SET('HAVE_KRB5_FREE_KEYTAB_ENTRY_CONTENTS'):
609             Logs.warn("no KT_FREE_FUNCTION detected")
610             use_ads=False
611         if not conf.CONFIG_SET('HAVE_KRB5_C_VERIFY_CHECKSUM'):
612             Logs.warn("krb5_c_verify_checksum_compare not found in -lkrb5")
613             use_ads=False
614
615         # We don't actually use
616         # gsskrb5_extract_authz_data_from_sec_context, but it is a
617         # clue that this Heimdal, which does the PAC processing we
618         # need on the standard gss_inquire_sec_context_by_oid
619         if not conf.CONFIG_SET('HAVE_GSS_GET_NAME_ATTRIBUTE') and \
620             not (conf.CONFIG_SET('HAVE_GSSKRB5_EXTRACT_AUTHZ_DATA_FROM_SEC_CONTEXT') and \
621                      conf.CONFIG_SET('HAVE_GSS_INQUIRE_SEC_CONTEXT_BY_OID')):
622             Logs.warn("need eiterh gss_get_name_attribute or gsskrb5_extract_authz_data_from_sec_context and gss_inquire_sec_context_by_oid in -lgssapi for PAC support")
623             use_ads=False
624
625         if not conf.CONFIG_SET('HAVE_GSS_KRB5_EXPORT_LUCID_SEC_CONTEXT'):
626             Logs.warn("need gss_krb5_export_lucid_sec_context for SPNEGO and gss_wrap support")
627             use_ads=False
628
629         if use_ads:
630             conf.DEFINE('WITH_ADS', '1')
631             conf.DEFINE('HAVE_KRB5', '1')
632             if conf.CONFIG_SET('HAVE_LDAP'):
633                 conf.env['HAVE_ADS'] = '1'
634         else:
635             Logs.warn("krb5 libs don't have all features required for Active Directory support")
636             conf.undefine('HAVE_KRB5_H')
637             conf.undefine('HAVE_GSSAPI_H')
638             conf.undefine('HAVE_GSSAPI_GSSAPI_GENERIC_H')
639             conf.undefine('HAVE_GSSAPI_GSSAPI_H')
640
641     if Options.options.with_utmp:
642         conf.env.with_utmp = True
643         if not conf.CHECK_HEADERS('utmp.h'): conf.env.with_utmp = False
644         conf.CHECK_FUNCS('pututline pututxline updwtmp updwtmpx getutmpx getutxent')
645         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_name', headers='utmp.h',
646                                     define='HAVE_UT_UT_NAME')
647         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_user', headers='utmp.h',
648                                     define='HAVE_UT_UT_USER')
649         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_id', headers='utmp.h',
650                                     define='HAVE_UT_UT_ID')
651         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_host', headers='utmp.h',
652                                     define='HAVE_UT_UT_HOST')
653         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_time', headers='utmp.h',
654                                     define='HAVE_UT_UT_TIME')
655         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_tv', headers='utmp.h',
656                                     define='HAVE_UT_UT_TV')
657         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_type', headers='utmp.h',
658                                     define='HAVE_UT_UT_TYPE')
659         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_pid', headers='utmp.h',
660                                     define='HAVE_UT_UT_PID')
661         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_exit.e_exit', headers='utmp.h',
662                                     define='HAVE_UT_UT_EXIT')
663         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_addr_v6', headers='utmp.h',
664                                     define='HAVE_UT_UT_ADDR_V6')
665         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_addr', headers='utmp.h',
666                                     define='HAVE_UT_UT_ADDR')
667         conf.CHECK_STRUCTURE_MEMBER('struct utmpx', 'ut_syslen', headers='utmpx.h',
668                                     define='HAVE_UX_UT_SYSLEN')
669         conf.CHECK_CODE('struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);',
670                         'PUTUTLINE_RETURNS_UTMP', headers='utmp.h',
671                         msg="Checking whether pututline returns pointer")
672         if conf.env.with_utmp:
673             conf.DEFINE('WITH_UTMP', 1)
674
675     if Options.options.with_avahi:
676         conf.env.with_avahi = True
677         if not conf.CHECK_HEADERS('avahi-common/watch.h avahi-client/client.h'): conf.env.with_avahi = False
678         if not conf.CHECK_FUNCS_IN('avahi_client_new', 'avahi-client'): conf.env.with_avahi = False
679         if not conf.CHECK_FUNCS_IN('avahi_strerror', 'avahi-common'): conf.env.with_avahi = False
680         if conf.env.with_avahi:
681             conf.DEFINE('WITH_AVAHI_SUPPORT', 1)
682     else:
683         conf.SET_TARGET_TYPE('avahi-common', 'EMPTY')
684         conf.SET_TARGET_TYPE('avahi-client', 'EMPTY')
685
686     if Options.options.with_iconv:
687         conf.env.with_iconv = True
688         if not conf.CHECK_FUNCS_IN('iconv_open', 'iconv', headers='iconv.h'):
689             conf.env.with_iconv = False
690         if conf.env.with_iconv:
691             conf.DEFINE('HAVE_ICONV', 1)
692
693     if Options.options.with_pam:
694         use_pam=True
695         conf.CHECK_HEADERS('security/pam_appl.h pam/pam_appl.h')
696         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_APPL_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_APPL_H'):
697             Logs.warn("--with-pam=yes but pam_appl.h not found")
698             use_pam=False
699         conf.CHECK_FUNCS_IN('pam_get_data', 'pam')
700         conf.CHECK_HEADERS('security/pam_modules.h pam/pam_modules.h')
701         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_MODULES_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_MODULES_H'):
702             Logs.warn("--with-pam=yes but pam_modules.h not found")
703             use_pam=False
704         conf.CHECK_HEADERS('security/pam_ext.h security/_pam_macros.h')
705         conf.CHECK_HEADERS('pam/pam_ext.h pam/_pam_macros.h')
706         conf.CHECK_FUNCS_IN('pam_vsyslog', 'pam')
707         conf.CHECK_CODE('''
708 #if defined(HAVE_SECURITY_PAM_APPL_H)
709 #include <security/pam_appl.h>
710 #elif defined(HAVE_PAM_PAM_APPL_H)
711 #include <pam/pam_appl.h>
712 #endif
713 pam_set_item(0, PAM_RHOST, 0);
714 ''',
715             'HAVE_PAM_RHOST',
716             lib='pam',
717             msg="Checking whether PAM_RHOST is available");
718         conf.CHECK_CODE('''
719 #if defined(HAVE_SECURITY_PAM_APPL_H)
720 #include <security/pam_appl.h>
721 #elif defined(HAVE_PAM_PAM_APPL_H)
722 #include <pam/pam_appl.h>
723 #endif
724 pam_set_item(0, PAM_TTY, 0);
725 ''',
726             'HAVE_PAM_TTY',
727             lib='pam',
728             msg="Checking whether PAM_TTY is available");
729         conf.CHECK_CODE('''
730 #if (!defined(LINUX))
731
732 #define PAM_EXTERN extern
733 #if defined(HAVE_SECURITY_PAM_APPL_H)
734 #include <security/pam_appl.h>
735 #elif defined(HAVE_PAM_PAM_APPL_H)
736 #include <pam/pam_appl.h>
737 #endif
738
739 #endif
740
741 #if defined(HAVE_SECURITY_PAM_MODULES_H)
742 #include <security/pam_modules.h>
743 #elif defined(HAVE_PAM_PAM_MODULES_H)
744 #include <pam/pam_modules.h>
745 #endif
746
747 #if defined(HAVE_SECURITY__PAM_MACROS_H)
748 #include <security/_pam_macros.h>
749 #elif defined(HAVE_PAM__PAM_MACROS_H)
750 #include <pam/_pam_macros.h>
751 #endif
752
753 #ifdef HAVE_SECURITY_PAM_EXT_H
754 #include <security/pam_ext.h>
755 #endif
756
757 int i; i = PAM_RADIO_TYPE;
758 ''',
759             'HAVE_PAM_RADIO_TYPE',
760             lib='pam',
761             msg="Checking whether PAM_RADIO_TYPE is available");
762         if use_pam:
763             conf.DEFINE('WITH_PAM', 1)
764             conf.DEFINE('WITH_PAM_MODULES', 1)
765
766     seteuid = False
767
768 #
769 # Ensure we select the correct set of system calls on Linux.
770 #
771     if (host_os.rfind('linux') > -1):
772         conf.CHECK_CODE('''
773 #if defined(HAVE_UNISTD_H)
774 #include <unistd.h>
775 #endif
776 #include <stdlib.h>
777 #include <stdio.h>
778 #include <sys/types.h>
779 #include <errno.h>
780
781 #ifdef HAVE_SYS_PRIV_H
782 #include <sys/priv.h>
783 #endif
784 #ifdef HAVE_SYS_ID_H
785 #include <sys/id.h>
786 #endif
787
788 #if defined(HAVE_SYSCALL_H)
789 #include <syscall.h>
790 #endif
791
792 #if defined(HAVE_SYS_SYSCALL_H)
793 #include <sys/syscall.h>
794 #endif
795
796 syscall(SYS_setresuid32, -1, -1, -1);
797 syscall(SYS_setresgid32, -1, -1, -1);
798 syscall(SYS_setreuid32, -1, -1);
799 syscall(SYS_setregid32, -1, -1);
800 syscall(SYS_setuid32, -1);
801 syscall(SYS_setgid32, -1);
802 syscall(SYS_setgroups32, 0, NULL);
803 ''',
804             'USE_LINUX_32BIT_SYSCALLS',
805             msg="Checking whether Linux should use 32-bit credential calls");
806
807         if (conf.CONFIG_SET('USE_LINUX_32BIT_SYSCALLS')):
808             seteuid = conf.CHECK_CODE('''
809                                 #define AUTOCONF_TEST 1
810                                 #define USE_LINUX_THREAD_CREDENTIALS 1
811                                 #define USE_LINUX_32BIT_SYSCALLS 1
812                                 #include "../lib/util/setid.c"
813                                 #include "./lib/util_sec.c"
814                                 ''',
815                                 'USE_LINUX_THREAD_CREDENTIALS',
816                                 addmain=False,
817                                 execute=True,
818                                 msg="Checking whether we can use Linux thread-specific credentials with 32-bit system calls")
819         else:
820             seteuid = conf.CHECK_CODE('''
821                                 #define AUTOCONF_TEST 1
822                                 #define USE_LINUX_THREAD_CREDENTIALS 1
823                                 #include "../lib/util/setid.c"
824                                 #include "./lib/util_sec.c"
825                                 ''',
826                                 'USE_LINUX_THREAD_CREDENTIALS',
827                                 addmain=False,
828                                 execute=True,
829                                 msg="Checking whether we can use Linux thread-specific credentials")
830     if not seteuid:
831         seteuid = conf.CHECK_CODE('''
832                                 #define AUTOCONF_TEST 1
833                                 #define USE_SETREUID 1
834                                 #include "../lib/util/setid.c"
835                                 #include "./lib/util_sec.c"
836                                 ''',
837                                 'USE_SETREUID',
838                                 addmain=False,
839                                 execute=True,
840                                 msg="Checking whether setreuid is available")
841     if not seteuid:
842         seteuid = conf.CHECK_CODE('''
843                                 #define AUTOCONF_TEST 1
844                                 #define USE_SETRESUID 1
845                                 #include "../lib/util/setid.c"
846                                 #include "./lib/util_sec.c"
847                                 ''',
848                                 'USE_SETRESUID',
849                                 addmain=False,
850                                 execute=True,
851                                 msg="Checking whether setresuid is available")
852     if not seteuid:
853         seteuid = conf.CHECK_CODE('''
854                                 #define AUTOCONF_TEST 1
855                                 #define USE_SETEUID 1
856                                 #include "../lib/util/setid.c"
857                                 #include "./lib/util_sec.c"
858                                 ''',
859                                 'USE_SETEUID',
860                                 addmain=False,
861                                 execute=True,
862                                 msg="Checking whether seteuid is available")
863     if not seteuid:
864         seteuid = conf.CHECK_CODE('''
865                                 #define AUTOCONF_TEST 1
866                                 #define USE_SETUIDX 1
867                                 #include "../lib/util/setid.c"
868                                 #include "./lib/util_sec.c"
869                                 ''',
870                                 'USE_SETUIDX',
871                                 addmain=False,
872                                 execute=True,
873                                 mandatory=True,
874                                 msg="Checking whether setuidx is available")
875     if Options.options.with_dnsupdate:
876         if not conf.CONFIG_SET('HAVE_KRB5'):
877             Logs.warn("--with-dnsupdate=yes but gssapi support not sufficient")
878         else:
879             conf.DEFINE('WITH_DNS_UPDATES', 1)
880     conf.CHECK_HEADERS('valgrind.h valgrind/valgrind.h valgrind/memcheck.h')
881     if Options.options.developer:
882         if conf.CONFIG_SET('HAVE_VALGRIND_H') or conf.CONFIG_SET('HAVE_VALGRIND_VALGRIND_H'):
883             conf.DEFINE('VALGRIND', '1')
884
885     if conf.CHECK_CODE('''
886 #include <bits/sockaddr.h>
887 #include <linux/netlink.h>
888 ''',
889                 'HAVE_LINUX_NETLINK_H',
890                 msg="Checking whether Linux netlink is available"):
891
892         conf.CHECK_CODE('''
893 #include <bits/sockaddr.h>
894 #include <linux/netlink.h>
895 #include <linux/rtnetlink.h>
896 ''',
897                 'HAVE_LINUX_RTNETLINK_H',
898                 msg='Checking whether Linux rtnetlink is available')
899
900     conf.CHECK_CODE('''
901 #include "../tests/fcntl_lock.c"
902 ''',
903                 'HAVE_FCNTL_LOCK',
904                 addmain=False,
905                 execute=True,
906                 msg='Checking whether fcntl locking is available')
907
908 # glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
909     if not conf.CHECK_CODE('''
910 #define _XOPEN_SOURCE 600
911 #include <stdlib.h>
912 #if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
913 #error probably broken posix_fallocate
914 #endif
915 ''',
916                            '_HAVE_UNBROKEN_POSIX_FALLOCATE',
917                            msg='Checking for broken posix_fallocate'):
918         conf.DEFINE('HAVE_BROKEN_POSIX_FALLOCATE', '1')
919
920
921     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtim.tv_nsec',
922                                 define='HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') # Linux, Solaris
923     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimensec',
924                                 define='HAVE_STRUCT_STAT_ST_MTIMENSEC') # BSD, if defined _POSIX_SOURCE
925     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimespec.tv_nsec',
926                                 define='HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') # BSD, if not defined _POSIX_SOURCE
927     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtime_n',
928                                 define='HAVE_STRUCT_STAT_ST_MTIME_N') # AIX
929     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_umtime',
930                                 define='HAVE_STRUCT_STAT_ST_UMTIME') # Tru64
931     if conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') or \
932        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMENSEC') or \
933        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') or \
934        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIME_N') or \
935        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_UMTIME'):
936         conf.DEFINE('HAVE_STAT_HIRES_TIMESTAMPS', '1')
937
938     # recent FreeBSD, NetBSD have creation timestamps called birthtime:
939     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtime',
940                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIME')
941     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimespec.tv_nsec',
942                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC')
943     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimensec',
944                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC')
945
946     conf.CHECK_CODE('''
947 ssize_t err = posix_fadvise(0,0,0x80000,POSIX_FADV_WILLNEED);
948 ''',
949                 'HAVE_POSIX_FADVISE',
950                 msg='Checking whether posix_fadvise is available',
951                 headers='unistd.h fcntl.h')
952
953     for v in ['_SC_NGROUPS_MAX', '_SC_NPROC_ONLN', '_SC_NPROCESSORS_ONLN', '_SC_PAGESIZE' ]:
954         conf.CHECK_CODE('''
955                         #include <unistd.h>
956                         return sysconf(%s) == -1 ? 1 : 0;
957                         ''' % v,
958                         'SYSCONF%s' % v,
959                         msg='Checking whether sysconf(%s) is available' % v)
960
961     conf.CHECK_CODE('''
962 #include <sys/syscall.h>
963 #include <unistd.h>
964 syscall(SYS_initgroups, 16, NULL, NULL, 0);
965                     ''',
966                     'HAVE_DARWIN_INITGROUPS',
967                     msg='Checking whether to use the Darwin-specific initgroups system call')
968
969     conf.CHECK_CODE('''struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));''',
970                     'HAVE_UTIMBUF',
971                     headers='sys/types.h utime.h',
972                     msg='Checking whether struct utimbuf is available')
973
974     if conf.CHECK_CODE('''struct sigevent s;''',
975                     'HAVE_STRUCT_SIGEVENT',
976                     headers='sys/types.h stdlib.h stddef.h signal.h',
977                     msg='Checking whether we have the struct sigevent'):
978         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sival_ptr',
979                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIVAL_PTR',
980                                     headers='signal.h');
981         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sigval_ptr',
982                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIGVAL_PTR',
983                                     headers='signal.h');
984
985     if os.path.exists('/proc/sys/kernel/core_pattern'):
986         conf.DEFINE('HAVE_SYS_KERNEL_PROC_CORE_PATTERN', '1')
987
988     if conf.CHECK_CODE('''
989 #include <time.h>
990 main() {
991         struct tm *tm;
992         if (sizeof(time_t) == 8) {
993                 time_t max_time = 0x7fffffffffffffffll;
994                 tm = gmtime(&max_time);
995                 /* This should fail with 32-bit tm_year. */
996                 if (tm == NULL) {
997                         /* Max time_t that works with 32-bit int tm_year in struct tm. */
998                         max_time = 67768036191676799ll;
999                         tm = gmtime(&max_time);
1000                         if (tm) {
1001                                 exit(0);
1002                         }
1003                 }
1004         }
1005         exit(1);
1006 }''',
1007         '__TIME_T_MAX',
1008         addmain=False,
1009         execute=True,
1010         msg="Checking for the maximum value of the 'time_t' type"):
1011             conf.DEFINE('TIME_T_MAX', '67768036191676799ll')
1012
1013     conf.CHECK_CODE('''
1014 #if defined(HAVE_UNISTD_H)
1015 #include <unistd.h>
1016 #endif
1017 #include <sys/types.h>
1018 main() { dev_t dev = makedev(1,2); return 0; }
1019 ''',
1020         'HAVE_MAKEDEV',
1021         addmain=False,
1022         msg='Checking whether the macro for makedev is available')
1023
1024     conf.CHECK_CODE('''
1025 #include <stdio.h>
1026 #include <limits.h>
1027 #include <signal.h>
1028
1029 void exit_on_core(int ignored) {
1030         exit(1);
1031 }
1032
1033 main() {
1034         char *newpath;
1035         signal(SIGSEGV, exit_on_core);
1036         newpath = realpath("/tmp", NULL);
1037         exit((newpath != NULL) ? 0 : 1);
1038 }
1039 ''',
1040         'REALPATH_TAKES_NULL',
1041         addmain=False,
1042         execute=True,
1043         msg='Checking whether the realpath function allows a NULL argument')
1044
1045     conf.CHECK_CODE('''#include "../tests/ftruncate.c"''',
1046                     'HAVE_FTRUNCATE_EXTEND',
1047                     msg='Checking for ftruncate extend',
1048                     addmain=False,
1049                     execute=True)
1050
1051     if Options.options.with_sendfile_support:
1052         if (host_os.rfind('linux') > -1) or (host_os.rfind('gnu') > -1) or (host_os.rfind('k*bsd*-gnu') > -1) or (host_os.rfind('kopensolaris*-gnu') > -1):
1053             conf.CHECK_CODE('''
1054                             int tofd, fromfd;
1055                             off_t offset;
1056                             size_t total;
1057                             ssize_t nwritten = sendfile(tofd, fromfd, &offset, total);
1058                             ''',
1059                             '_HAVE_SENDFILE',
1060                             headers='sys/sendfile.h',
1061                             msg='Checking for linux sendfile support')
1062
1063             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1064                 conf.DEFINE('HAVE_SENDFILE', '1')
1065                 conf.DEFINE('LINUX_SENDFILE_API', '1')
1066                 conf.DEFINE('WITH_SENDFILE', '1')
1067         elif (host_os.rfind('freebsd') > -1) or (host_os.rfind('dragonfly') > -1):
1068             conf.CHECK_CODE('''
1069                             #include <sys/types.h>
1070                             #include <unistd.h>
1071                             #include <sys/socket.h>
1072                             #include <sys/uio.h>
1073                             int fromfd, tofd, ret, total=0;
1074                             off_t offset, nwritten;
1075                             struct sf_hdtr hdr;
1076                             struct iovec hdtrl;
1077                             hdr.headers = &hdtrl;
1078                             hdr.hdr_cnt = 1;
1079                             hdr.trailers = NULL;
1080                             hdr.trl_cnt = 0;
1081                             hdtrl.iov_base = NULL;
1082                             hdtrl.iov_len = 0;
1083                             ret = sendfile(fromfd, tofd, offset, total, &hdr, &nwritten, 0)
1084                             ''',
1085                             '_HAVE_SENDFILE',
1086                             msg='Checking for freebsd sendfile support')
1087             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1088                 conf.DEFINE('HAVE_SENDFILE', '1')
1089                 conf.DEFINE('FREEBSD_SENDFILE_API', '1')
1090                 conf.DEFINE('WITH_SENDFILE', '1')
1091         elif (host_os.rfind('darwin') > -1):
1092             conf.CHECK_CODE('''
1093                             #include <sys/types.h>
1094                             #include <sys/socket.h>
1095                             #include <sys/uio.h>
1096                             int fromfd, tofd, ret;
1097                             off_t offset, nwritten;
1098                             struct sf_hdtr hdr;
1099                             struct iovec hdtrl;
1100                             hdr.headers = &hdtrl;
1101                             hdr.hdr_cnt = 1;
1102                             hdr.trailers = (void *)0;
1103                             hdr.trl_cnt = 0;
1104                             hdtrl.iov_base = (void *)0;
1105                             hdtrl.iov_len = 0;
1106                             ret = sendfile(fromfd, tofd, offset, &nwritten, &hdr, 0);
1107                             ''',
1108                             '_HAVE_SENDFILE',
1109                             msg='Checking for darwin sendfile support')
1110             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1111                 conf.DEFINE('HAVE_SENDFILE', '1')
1112                 conf.DEFINE('DARWIN_SENDFILE_API', '1')
1113                 conf.DEFINE('WITH_SENDFILE', '1')
1114         elif (host_os.rfind('hpux') > -1) or (host_os.rfind('osf') > -1):
1115             conf.CHECK_CODE('''
1116                             #include <sys/socket.h>
1117                             #include <sys/uio.h>
1118                             int fromfd, tofd;
1119                             size_t total=0;
1120                             struct iovec hdtrl[2];
1121                             ssize_t nwritten;
1122                             off_t offset;
1123                             hdtrl[0].iov_base = 0;
1124                             hdtrl[0].iov_len = 0;
1125                             nwritten = sendfile(tofd, fromfd, offset, total, &hdtrl[0], 0);
1126                             ''',
1127                             '_HAVE_SENDFILE',
1128                             msg='Checking for osf/hpux sendfile support')
1129             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1130                 conf.DEFINE('HAVE_SENDFILE', '1')
1131                 conf.DEFINE('HPUX_SENDFILE_API', '1')
1132                 conf.DEFINE('WITH_SENDFILE', '1')
1133         elif (host_os.rfind('solaris') > -1):
1134             conf.CHECK_FUNCS_IN('sendfile', 'sendfilev')
1135             conf.CHECK_CODE('''
1136                             #include <sys/sendfile.h>,
1137                             int sfvcnt;
1138                             size_t xferred;
1139                             struct sendfilevec vec[2];
1140                             ssize_t nwritten;
1141                             int tofd;
1142                             sfvcnt = 2;
1143                             vec[0].sfv_fd = SFV_FD_SELF;
1144                             vec[0].sfv_flag = 0;
1145                             vec[0].sfv_off = 0;
1146                             vec[0].sfv_len = 0;
1147                             vec[1].sfv_fd = 0;
1148                             vec[1].sfv_flag = 0;
1149                             vec[1].sfv_off = 0;
1150                             vec[1].sfv_len = 0;
1151                             nwritten = sendfilev(tofd, vec, sfvcnt, &xferred);
1152                             ''',
1153                             '_HAVE_SENDFILEV',
1154                             msg='Checking for solaris sendfilev support')
1155             if conf.CONFIG_SET('_HAVE_SENDFILEV'):
1156                 conf.DEFINE('HAVE_SENDFILEV', '1')
1157                 conf.DEFINE('SOLARIS_SENDFILE_API', '1')
1158                 conf.DEFINE('WITH_SENDFILE', '1')
1159         elif (host_os.rfind('aix') > -1):
1160             conf.CHECK_CODE('''
1161                             #include <sys/socket.h>
1162                             int fromfd, tofd;
1163                             size_t total=0;
1164                             struct sf_parms hdtrl;
1165                             ssize_t nwritten;
1166                             hdtrl.header_data = 0;
1167                             hdtrl.header_length = 0;
1168                             hdtrl.file_descriptor = fromfd;
1169                             hdtrl.file_offset = 0;
1170                             hdtrl.file_bytes = 0;
1171                             hdtrl.trailer_data = 0;
1172                             hdtrl.trailer_length = 0;
1173                             nwritten = send_file(&tofd, &hdtrl, 0);
1174                             ''',
1175                             '_HAVE_SENDFILE',
1176                             msg='Checking for AIX send_file support')
1177             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1178                 conf.DEFINE('HAVE_SENDFILE', '1')
1179                 conf.DEFINE('AIX_SENDFILE_API', '1')
1180                 conf.DEFINE('WITH_SENDFILE', '1')
1181
1182     # Check for getcwd allowing a NULL arg.
1183     conf.CHECK_CODE('''
1184 #include <unistd.h>
1185 main() {
1186         char *s = getcwd(NULL,0);
1187         exit(s != NULL ?  0 : 1);
1188 }''', 'GETCWD_TAKES_NULL', addmain=False, execute=True,
1189         msg="getcwd takes a NULL argument")
1190
1191
1192     # UnixWare 7.x has its getspnam in -lgen
1193     conf.CHECK_FUNCS_IN('getspnam', 'gen')
1194     conf.CHECK_FUNCS_IN('getspnam', 'security')
1195     conf.CHECK_FUNCS_IN('getspnam', 'sec')
1196
1197     if Options.options.with_quotas:
1198         # For quotas on Veritas VxFS filesystems
1199         conf.CHECK_HEADERS('sys/fs/vx_quota.h')
1200         # For sys/quota.h and linux/quota.h
1201         conf.CHECK_HEADERS('sys/quota.h')
1202         # For quotas on BSD systems
1203         conf.CHECK_HEADERS('ufs/ufs/quota.h')
1204         # For quotas on Linux XFS filesystems
1205         if conf.CHECK_HEADERS('xfs/xqm.h'):
1206             conf.DEFINE('HAVE_XFS_QUOTAS', '1')
1207         else:
1208             # For Irix XFS
1209             conf.CHECK_CODE('''
1210                 #include "confdefs.h"
1211                 #ifdef HAVE_SYS_TYPES_H
1212                 #include <sys/types.h>
1213                 #endif
1214                 #ifdef HAVE_ASM_TYPES_H
1215                 #include <asm/types.h>
1216                 #endif
1217                 #include <sys/quota.h>
1218                 int i = Q_XGETQUOTA;''',
1219                 define='HAVE_XFS_QUOTAS',
1220                 msg='for XFS QUOTA in <sys/quota.h>',
1221                 execute=False,
1222                 local_include=False)
1223         
1224         # For IRIX like dqb_isoftlimit instead of dqb_fsoftlimit in struc dqblk
1225         conf.CHECK_STRUCTURE_MEMBER('struct dqblk', 'dqb_fsoftlimit', define='HAVE_DQB_FSOFTLIMIT',
1226                                 headers='sys/quota.h')
1227         #darwin style quota bytecount
1228         conf.CHECK_STRUCTURE_MEMBER('struct dqblk', 'dqb_curbytes', define='HAVE_STRUCT_DQBLK_DQB_CURBYTES',
1229                                 headers='sys/quota.h')
1230         if conf.CHECK_HEADERS('rpcsvc/rquota.h'):
1231             conf.DEFINE('HAVE_NFS_QUOTAS', '1')
1232             conf.CHECK_STRUCTURE_MEMBER('struct getquota_rslt', 'getquota_rslt_u',
1233                                         define='HAVE_GETQUOTA_RSLT_GETQUOTA_RSLT_U',
1234                                         headers='rpcsvc/rquota.h')
1235
1236         if (host_os.rfind('linux') > -1):
1237             conf.DEFINE('HAVE_QUOTACTL_LINUX', '1')
1238         elif not conf.CONFIG_SET("HAVE_XFS_QUOTAS"):
1239             if not conf.CHECK_CODE('''
1240                 #define HAVE_QUOTACTL_4A 1
1241                 #define AUTOCONF_TEST 1
1242                 #include "confdefs.h"
1243                 #include "${srcdir-.}/../tests/sysquotas.c"
1244                 ''',
1245                                    define='HAVE_QUOTACTL_4A',
1246                                    msg='for QUOTACTL_4A: long quotactl(int cmd, char *special, qid_t id, caddr_t addr)',
1247                                    execute=True,
1248                                    local_include=False):
1249                 conf.CHECK_CODE('''
1250                 #define HAVE_QUOTACTL_4B 1
1251                 #define AUTOCONF_TEST 1
1252                 #include "confdefs.h"
1253                 #include "${srcdir-.}/../tests/sysquotas.c"
1254                 ''',
1255                                 define='HAVE_QUOTACTL_4B',
1256                                 msg='for QUOTACTL_4B:  int quotactl(const char *path, int cmd, int id, char *addr)',
1257                                 execute=True,
1258                                 local_include=False)
1259
1260         conf.CHECK_CODE('''
1261                      clnt_create("", RQUOTAPROG, RQUOTAVERS, "udp");
1262 ''', 
1263                         headers="rpc/rpc.h rpc/types.h rpcsvc/rquota.h rpc/nettype.h rpc/xdr.h", 
1264                         define='HAVE_NFS_QUOTAS',
1265                         msg='for NFS QUOTAS',
1266                         execute=True,
1267                         local_include=False)
1268
1269         conf.CHECK_STRUCTURE_MEMBER('struct getquota_rslt', 
1270                                     'getquota_rslt_u', 
1271                                     define='HAVE_GETQUOTA_RSLT_GETQUOTA_RSLT_U',
1272                                     headers='rpcsvc/rquota.h')
1273
1274         if conf.CONFIG_SET('HAVE_QUOTACTL_LINUX') or \
1275            conf.CONFIG_SET('HAVE_QUOTACTL_4A') or \
1276            conf.CONFIG_SET('HAVE_QUOTACTL_4B') or \
1277            conf.CONFIG_SET('HAVE_XFS_QUOTAS'):
1278             conf.DEFINE('HAVE_SYS_QUOTAS', '1')
1279             conf.DEFINE('WITH_QUOTAS', '1')
1280
1281     #
1282     # checking for clustering extensions (CTDB)
1283     #
1284     if not Options.options.with_cluster_support:
1285         have_cluster_support = False
1286
1287     else:
1288
1289         if Options.options.ctdb_dir:
1290             conf.ADD_EXTRA_INCLUDES(Options.options.ctdb_dir + '/include')
1291
1292         srcdir = os.path.realpath(conf.srcdir)
1293         if 'EXTRA_INCLUDES' in conf.env:
1294             includes = ' '.join(conf.env['EXTRA_INCLUDES']).replace('#', srcdir + '/')
1295         else:
1296             includes = ''
1297
1298         have_cluster_support = True
1299         ctdb_broken = ""
1300
1301         conf.CHECK_CODE('''
1302             #define NO_CONFIG_H
1303             #include "replace.h"
1304             #include "system/wait.h"
1305             #include "system/network.h"
1306             #define private #error __USED_RESERVED_WORD_private__
1307             #include <talloc.h>
1308             #include <tdb.h>
1309             #include <ctdb.h>
1310
1311             int main(void)
1312             {
1313                 return 0;
1314             }
1315             ''',
1316             'HAVE_CTDB_H',
1317             addmain=False,
1318             includes=includes,
1319             msg='Checking for header ctdb.h')
1320
1321         if not conf.CONFIG_SET('HAVE_CTDB_H'):
1322             have_cluster_support = False
1323             ctdb_broken = "ctdb.h is required for cluster support"
1324
1325         if have_cluster_support:
1326             conf.CHECK_CODE('''
1327                 #define NO_CONFIG_H
1328                 #include "replace.h"
1329                 #include "system/wait.h"
1330                 #include "system/network.h"
1331                 #define private #error __USED_RESERVED_WORD_private__
1332                 #include <talloc.h>
1333                 #include <tdb.h>
1334                 #include <ctdb.h>
1335                 #include <ctdb_private.h>
1336
1337                 int main(void)
1338                 {
1339                     return 0;
1340                 }
1341                 ''',
1342                 'HAVE_CTDB_PRIVATE_H',
1343                 addmain=False,
1344                 includes=includes,
1345                 msg='Checking for header ctdb_private.h')
1346
1347             if not conf.CONFIG_SET('HAVE_CTDB_PRIVATE_H'):
1348                 have_cluster_support = False
1349                 ctdb_broken = "ctdb_private.h is required for cluster support"
1350
1351         if have_cluster_support:
1352             conf.CHECK_CODE('''
1353                 #define NO_CONFIG_H
1354                 #include "replace.h"
1355                 #include "system/wait.h"
1356                 #include "system/network.h"
1357                 #include <talloc.h>
1358                 #include <tdb.h>
1359                 #include <ctdb.h>
1360                 #include <ctdb_private.h>
1361
1362                 int main(void)
1363                 {
1364                    int i = (int)CTDB_CONTROL_TRANS3_COMMIT;
1365                    return 0;
1366                 }
1367                 ''',
1368                 'HAVE_CTDB_CONTROL_TRANS3_COMMIT_DECL',
1369                 addmain=False,
1370                 includes=includes,
1371                 msg='Checking for transaction support (TRANS3_COMMIT control)')
1372
1373             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_TRANS3_COMMIT_DECL'):
1374                 have_cluster_support = False
1375                 ctdb_broken = "ctdb transaction support missing or too old"
1376
1377         if have_cluster_support:
1378             conf.CHECK_CODE('''
1379                 #define NO_CONFIG_H
1380                 #include "replace.h"
1381                 #include "system/wait.h"
1382                 #include "system/network.h"
1383                 #include <talloc.h>
1384                 #include <tdb.h>
1385                 #include <ctdb.h>
1386                 #include <ctdb_private.h>
1387
1388                 int main(void)
1389                 {
1390                     int i = (int)CTDB_CONTROL_SCHEDULE_FOR_DELETION;
1391                     return 0;
1392                 }
1393                 ''',
1394                 'HAVE_CTDB_CONTROL_SCHEDULE_FOR_DELETION_DECL',
1395                 addmain=False,
1396                 includes=includes,
1397                 msg='Checking for SCHEDULE_FOR_DELETION control')
1398
1399             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_SCHEDULE_FOR_DELETION_DECL'):
1400                 if not Options.options.enable_old_ctdb:
1401                     have_cluster_support = False
1402                     ctdb_broken = "SCHEDULE_FOR_DELETION control missing"
1403                 else:
1404                     Logs.warn("ignoring missing SCHEDULE_FOR_DELETION control (--enable-old-ctdb)")
1405
1406         if have_cluster_support:
1407             conf.CHECK_CODE('''
1408                 #define NO_CONFIG_H
1409                 #include "replace.h"
1410                 #include "system/wait.h"
1411                 #include "system/network.h"
1412                 #include <talloc.h>
1413                 #include <tdb.h>
1414                 #include <ctdb.h>
1415                 #include <ctdb_private.h>
1416
1417                 int main(void)
1418                 {
1419                     struct ctdb_control_tcp _x;
1420                     return 0;
1421                 }
1422                 ''',
1423                 'HAVE_STRUCT_CTDB_CONTROL_TCP',
1424                 addmain=False,
1425                 includes=includes,
1426                 msg='Checking for ctdb ipv4 support')
1427
1428             if not conf.CONFIG_SET('HAVE_STRUCT_CTDB_CONTROL_TCP'):
1429                 have_cluster_support = False
1430                 ctdb_broken = "missing struct ctdb_control_tcp"
1431
1432         if have_cluster_support:
1433             conf.CHECK_CODE('''
1434                 #define NO_CONFIG_H
1435                 #include "replace.h"
1436                 #include "system/wait.h"
1437                 #include "system/network.h"
1438                 #include <talloc.h>
1439                 #include <tdb.h>
1440                 #include <ctdb.h>
1441                 #include <ctdb_private.h>
1442
1443                 int main(void)
1444                 {
1445                     struct ctdb_control_tcp_addr _x;
1446                     return 0;
1447                 }
1448                 ''',
1449                 'HAVE_STRUCT_CTDB_CONTROL_TCP_ADDR',
1450                 addmain=False,
1451                 includes=includes,
1452                 msg='Checking for ctdb ipv6 support')
1453
1454         if have_cluster_support:
1455             conf.CHECK_CODE('''
1456                 #define NO_CONFIG_H
1457                 #include "replace.h"
1458                 #include "system/wait.h"
1459                 #include "system/network.h"
1460                 #include <talloc.h>
1461                 #include <tdb.h>
1462                 #include <ctdb.h>
1463                 #include <ctdb_private.h>
1464
1465                 int main(void)
1466                 {
1467                     int i = (int)CTDB_CONTROL_CHECK_SRVIDS;
1468                     return 0;
1469                 }
1470                 ''',
1471                 'HAVE_CTDB_CONTROL_CHECK_SRVIDS_DECL',
1472                 addmain=False,
1473                 includes=includes,
1474                 msg='Checking for CHECK_SRVIDS control')
1475
1476             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_CHECK_SRVIDS_DECL'):
1477                 if not Options.options.enable_old_ctdb:
1478                     have_cluster_support = False
1479                     ctdb_broken = "CHECK_SRVIDS control missing"
1480                 else:
1481                     Logs.warn("ignoring missing CHECK_SRVIDS control (--enable-old-ctdb)")
1482
1483     if have_cluster_support:
1484         Logs.info("building with cluster support")
1485         conf.DEFINE('CLUSTER_SUPPORT', 1);
1486     else:
1487         if not Options.options.with_cluster_support:
1488             Logs.info("building without cluster support")
1489         else:
1490             Logs.warn("building without cluster support: " + ctdb_broken)
1491         conf.undefine('CLUSTER_SUPPORT')
1492
1493
1494
1495     conf.CHECK_CODE('__attribute__((destructor)) static void cleanup(void) { }',
1496                     'HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR',
1497                     addmain=False,
1498                     link=False,
1499                     msg='Checking whether we can compile with __attribute__((destructor))')
1500
1501     conf.CHECK_CODE('void seekdir(DIR *d, long loc) { return; }',
1502                     'SEEKDIR_RETURNS_VOID',
1503                     headers='sys/types.h dirent.h',
1504                     msg='Checking whether seekdir returns void')
1505
1506     if Options.options.with_profiling_data:
1507         conf.DEFINE('WITH_PROFILE', 1);
1508
1509     PTHREAD_CFLAGS='error'
1510     PTHREAD_LDFLAGS='error'
1511
1512     if PTHREAD_LDFLAGS == 'error':
1513         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'pthread'):
1514             PTHREAD_CFLAGS='-D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS'
1515             PTHREAD_LDFLAGS='-lpthread'
1516     if PTHREAD_LDFLAGS == 'error':
1517         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'pthreads'):
1518             PTHREAD_CFLAGS='-D_THREAD_SAFE'
1519             PTHREAD_LDFLAGS='-lpthreads'
1520     if PTHREAD_LDFLAGS == 'error':
1521         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'c_r'):
1522             PTHREAD_CFLAGS='-D_THREAD_SAFE -pthread'
1523             PTHREAD_LDFLAGS='-pthread'
1524     if PTHREAD_LDFLAGS == 'error':
1525         if conf.CHECK_FUNCS('pthread_attr_init'):
1526             PTHREAD_CFLAGS='-D_REENTRANT'
1527             PTHREAD_LDFLAGS='-lpthread'
1528     # especially for HP-UX, where the CHECK_FUNC macro fails to test for
1529     # pthread_attr_init. On pthread_mutex_lock it works there...
1530     if PTHREAD_LDFLAGS == 'error':
1531         if conf.CHECK_FUNCS_IN('pthread_mutex_lock', 'pthread'):
1532             PTHREAD_CFLAGS='-D_REENTRANT'
1533             PTHREAD_LDFLAGS='-lpthread'
1534
1535     if PTHREAD_CFLAGS != 'error' and PTHREAD_LDFLAGS != 'error':
1536         conf.ADD_CFLAGS(PTHREAD_CFLAGS)
1537         conf.ADD_LDFLAGS(PTHREAD_LDFLAGS)
1538         conf.CHECK_HEADERS('pthread.h')
1539         conf.DEFINE('HAVE_PTHREAD', '1')
1540
1541     if Options.options.with_pthreadpool:
1542         if conf.CONFIG_SET('HAVE_PTHREAD'):
1543             conf.DEFINE('WITH_PTHREADPOOL', '1')
1544         else:
1545             Logs.warn("pthreadpool support cannot be enabled when pthread support was not found")
1546             conf.undefine('WITH_PTHREADPOOL')
1547
1548     if conf.CHECK_HEADERS('gpfs_gpl.h'):
1549         conf.DEFINE('HAVE_GPFS', '1')
1550
1551     default_static_modules.extend(TO_LIST('''pdb_smbpasswd pdb_tdbsam pdb_wbc_sam
1552                                       auth_sam auth_unix auth_winbind auth_wbc
1553                                       auth_domain auth_builtin vfs_default
1554                                       nss_info_template idmap_tdb idmap_passdb
1555                                       idmap_nss'''))
1556
1557     default_shared_modules.extend(TO_LIST('''vfs_recycle vfs_audit vfs_extd_audit vfs_full_audit vfs_netatalk
1558                                       vfs_fake_perms vfs_default_quota vfs_readonly vfs_cap
1559                                       vfs_expand_msdfs vfs_shadow_copy vfs_shadow_copy2 
1560                                       auth_script vfs_readahead vfs_xattr_tdb vfs_posix_eadb
1561                                       vfs_streams_xattr vfs_streams_depot vfs_acl_xattr vfs_acl_tdb
1562                                       vfs_smb_traffic_analyzer vfs_preopen vfs_catia vfs_scannedonly
1563                                       vfs_media_harmony
1564                                       vfs_crossrename vfs_linux_xfs_sgid
1565                                       vfs_time_audit idmap_autorid idmap_tdb2
1566                                       idmap_rid idmap_hash'''))
1567
1568     if Options.options.developer:
1569         default_static_modules.extend(TO_LIST('charset_weird'))
1570         default_shared_modules.extend(TO_LIST('perfcount_test'))
1571         default_shared_modules.extend(TO_LIST('vfs_skel_opaque vfs_skel_transparent vfs_shadow_copy_test'))
1572         default_shared_modules.extend(TO_LIST('auth_skel pdb_test'))
1573
1574     if Options.options.enable_selftest or Options.options.developer:
1575         default_shared_modules.extend(TO_LIST('vfs_fake_acls'))
1576         
1577
1578     if conf.CONFIG_SET('AD_DC_BUILD_IS_ENABLED'):
1579         default_static_modules.extend(TO_LIST('pdb_samba_dsdb auth_samba4 vfs_dfs_samba4'))
1580
1581     if conf.CONFIG_SET('HAVE_FREEBSD_SUNACL_H'):
1582         default_shared_modules.extend(TO_LIST('vfs_zfsacl'))
1583
1584     if conf.CONFIG_SET('HAVE_DIRFD_DECL'):
1585         default_shared_modules.extend(TO_LIST('vfs_syncops vfs_dirsort'))
1586
1587     if conf.CONFIG_SET('HAVE_STATFS_F_FSID'):
1588         default_shared_modules.extend(TO_LIST('vfs_fileid'))
1589
1590     if (conf.CONFIG_SET('HAVE_MSGHDR_MSG_CONTROL') or conf.CONFIG_SET('HAVE_MSGHDR_MSG_ACCTRIGHTS')):
1591         default_shared_modules.extend(TO_LIST('vfs_aio_fork'))
1592
1593     if Options.options.with_pthreadpool:
1594         default_shared_modules.extend(TO_LIST('vfs_aio_pthread'))
1595
1596     if conf.CONFIG_SET('HAVE_AIO'):
1597         default_shared_modules.extend(TO_LIST('vfs_aio_posix'))
1598
1599     if conf.CONFIG_SET('HAVE_LINUX_KERNEL_AIO'):
1600         default_shared_modules.extend(TO_LIST('vfs_aio_linux'))
1601
1602     if conf.CONFIG_SET('HAVE_LDAP'):
1603         default_static_modules.extend(TO_LIST('pdb_ldap idmap_ldap'))
1604
1605     if conf.CONFIG_SET('DARWINOS'):
1606         default_static_modules.extend(TO_LIST('charset_macosxfs'))
1607
1608     if conf.CONFIG_SET('HAVE_GPFS'):
1609         default_shared_modules.extend(TO_LIST('vfs_gpfs'))
1610
1611     explicit_shared_modules = TO_LIST(Options.options.shared_modules, delimiter=',')
1612     explicit_static_modules = TO_LIST(Options.options.static_modules, delimiter=',')
1613
1614     final_static_modules = default_static_modules
1615     final_shared_modules = default_shared_modules
1616
1617     for m in explicit_static_modules:
1618         if m in final_shared_modules:
1619             final_shared_modules.remove(m)
1620         final_static_modules.append(m)
1621     for m in explicit_shared_modules:
1622         if m in final_static_modules:
1623             final_static_modules.remove(m)
1624         final_shared_modules.append(m)
1625
1626     conf.env['static_modules'] = final_static_modules
1627     conf.env['shared_modules'] = final_shared_modules
1628
1629     conf.DEFINE('STRING_STATIC_MODULES', ' '.join(final_static_modules), quote=True)
1630
1631     static_list = {}
1632     shared_list = {}
1633
1634     prefixes = ['vfs', 'pdb', 'auth', 'nss_info', 'charset', 'idmap', 'gpext', 'perfcount']
1635     conf.env['MODULE_PREFIXES'] = prefixes
1636     for p in prefixes:
1637         for m in final_static_modules:
1638             if m.find(p) == 0:
1639                 if not p in static_list:
1640                     static_list[p] = []
1641                 static_list[p].append(m)
1642         for m in final_shared_modules:
1643             if m.find(p) == 0:
1644                 if not p in shared_list:
1645                     shared_list[p] = []
1646                 shared_list[p].append(m)
1647
1648     for p in prefixes:
1649         static_env = "%s_STATIC" % p.upper()
1650         shared_env = "%s_SHARED" % p.upper()
1651         conf.env[static_env] = []
1652         conf.env[shared_env] = []
1653         if p in static_list:
1654             decl_list=""
1655             for entry in static_list[p]:
1656                 decl_list += "extern NTSTATUS %s_init(void); " % entry
1657                 conf.env[static_env].append('%s' % entry)
1658             decl_list = decl_list.rstrip()
1659             conf.DEFINE('static_decl_%s' % p, decl_list)
1660             conf.DEFINE('static_init_%s' % p, '{ %s_init(); }' % '_init();  '.join(static_list[p]))
1661         else:
1662             conf.DEFINE('static_decl_%s' % p, '')
1663             conf.DEFINE('static_init_%s' % p, '{}')
1664         if p in shared_list:
1665             for entry in shared_list[p]:
1666                 conf.DEFINE('%s_init' % entry, 'samba_init_module')
1667                 conf.env[shared_env].append('%s' % entry)
1668
1669     conf.SAMBA_CONFIG_H('include/config.h')
1670
1671 def ctags(ctx):
1672     "build 'tags' file using ctags"
1673     import Utils
1674     source_root = os.path.dirname(Utils.g_module.root_path)
1675     cmd = 'ctags $(find %s/.. -name "*.[ch]" | grep -v "*_proto\.h")' % source_root
1676     print("Running: %s" % cmd)
1677     os.system(cmd)
1678