build: Add waf configure support for non-linux quotas
[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 utmpx', 'ut_syslen', headers='utmpx.h',
664                                     define='HAVE_UX_UT_SYSLEN')
665         conf.CHECK_CODE('struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);',
666                         'PUTUTLINE_RETURNS_UTMP', headers='utmp.h',
667                         msg="Checking whether pututline returns pointer")
668         conf.CHECK_SIZEOF(['((struct utmp *)NULL)->ut_line'], headers='utmp.h',
669                           define='SIZEOF_UTMP_UT_LINE')
670         if not conf.CONFIG_SET('SIZEOF_UTMP_UT_LINE'):
671             conf.env.with_utmp = False
672         elif int(conf.env.SIZEOF_UTMP_UT_LINE) < 15:
673             conf.env.with_utmp = False
674         if conf.env.with_utmp:
675             conf.DEFINE('WITH_UTMP', 1)
676         else:
677             Logs.warn("--with-utmp but utmp support not sufficient")
678
679     if Options.options.with_avahi:
680         conf.env.with_avahi = True
681         if not conf.CHECK_HEADERS('avahi-common/watch.h avahi-client/client.h'): conf.env.with_avahi = False
682         if not conf.CHECK_FUNCS_IN('avahi_client_new', 'avahi-client'): conf.env.with_avahi = False
683         if not conf.CHECK_FUNCS_IN('avahi_strerror', 'avahi-common'): conf.env.with_avahi = False
684         if conf.env.with_avahi:
685             conf.DEFINE('WITH_AVAHI_SUPPORT', 1)
686     else:
687         conf.SET_TARGET_TYPE('avahi-common', 'EMPTY')
688         conf.SET_TARGET_TYPE('avahi-client', 'EMPTY')
689
690     if Options.options.with_iconv:
691         conf.env.with_iconv = True
692         if not conf.CHECK_FUNCS_IN('iconv_open', 'iconv', headers='iconv.h'):
693             conf.env.with_iconv = False
694         if conf.env.with_iconv:
695             conf.DEFINE('HAVE_ICONV', 1)
696
697     if Options.options.with_pam:
698         use_pam=True
699         conf.CHECK_HEADERS('security/pam_appl.h pam/pam_appl.h')
700         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_APPL_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_APPL_H'):
701             Logs.warn("--with-pam=yes but pam_appl.h not found")
702             use_pam=False
703         conf.CHECK_FUNCS_IN('pam_get_data', 'pam')
704         conf.CHECK_HEADERS('security/pam_modules.h pam/pam_modules.h')
705         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_MODULES_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_MODULES_H'):
706             Logs.warn("--with-pam=yes but pam_modules.h not found")
707             use_pam=False
708         conf.CHECK_HEADERS('security/pam_ext.h security/_pam_macros.h')
709         conf.CHECK_HEADERS('pam/pam_ext.h pam/_pam_macros.h')
710         conf.CHECK_FUNCS_IN('pam_vsyslog', 'pam')
711         conf.CHECK_CODE('''
712 #if defined(HAVE_SECURITY_PAM_APPL_H)
713 #include <security/pam_appl.h>
714 #elif defined(HAVE_PAM_PAM_APPL_H)
715 #include <pam/pam_appl.h>
716 #endif
717 pam_set_item(0, PAM_RHOST, 0);
718 ''',
719             'HAVE_PAM_RHOST',
720             lib='pam',
721             msg="Checking whether PAM_RHOST is available");
722         conf.CHECK_CODE('''
723 #if defined(HAVE_SECURITY_PAM_APPL_H)
724 #include <security/pam_appl.h>
725 #elif defined(HAVE_PAM_PAM_APPL_H)
726 #include <pam/pam_appl.h>
727 #endif
728 pam_set_item(0, PAM_TTY, 0);
729 ''',
730             'HAVE_PAM_TTY',
731             lib='pam',
732             msg="Checking whether PAM_TTY is available");
733         conf.CHECK_CODE('''
734 #if (!defined(LINUX))
735
736 #define PAM_EXTERN extern
737 #if defined(HAVE_SECURITY_PAM_APPL_H)
738 #include <security/pam_appl.h>
739 #elif defined(HAVE_PAM_PAM_APPL_H)
740 #include <pam/pam_appl.h>
741 #endif
742
743 #endif
744
745 #if defined(HAVE_SECURITY_PAM_MODULES_H)
746 #include <security/pam_modules.h>
747 #elif defined(HAVE_PAM_PAM_MODULES_H)
748 #include <pam/pam_modules.h>
749 #endif
750
751 #if defined(HAVE_SECURITY__PAM_MACROS_H)
752 #include <security/_pam_macros.h>
753 #elif defined(HAVE_PAM__PAM_MACROS_H)
754 #include <pam/_pam_macros.h>
755 #endif
756
757 #ifdef HAVE_SECURITY_PAM_EXT_H
758 #include <security/pam_ext.h>
759 #endif
760
761 int i; i = PAM_RADIO_TYPE;
762 ''',
763             'HAVE_PAM_RADIO_TYPE',
764             lib='pam',
765             msg="Checking whether PAM_RADIO_TYPE is available");
766         if use_pam:
767             conf.DEFINE('WITH_PAM', 1)
768             conf.DEFINE('WITH_PAM_MODULES', 1)
769
770     if Options.options.with_pam_smbpass:
771         conf.env.with_pam_smbpass = True
772
773     seteuid = False
774
775 #
776 # Ensure we select the correct set of system calls on Linux.
777 #
778     if (host_os.rfind('linux') > -1):
779         conf.CHECK_CODE('''
780 #if defined(HAVE_UNISTD_H)
781 #include <unistd.h>
782 #endif
783 #include <stdlib.h>
784 #include <stdio.h>
785 #include <sys/types.h>
786 #include <errno.h>
787
788 #ifdef HAVE_SYS_PRIV_H
789 #include <sys/priv.h>
790 #endif
791 #ifdef HAVE_SYS_ID_H
792 #include <sys/id.h>
793 #endif
794
795 #if defined(HAVE_SYSCALL_H)
796 #include <syscall.h>
797 #endif
798
799 #if defined(HAVE_SYS_SYSCALL_H)
800 #include <sys/syscall.h>
801 #endif
802
803 syscall(SYS_setresuid32, -1, -1, -1);
804 syscall(SYS_setresgid32, -1, -1, -1);
805 syscall(SYS_setreuid32, -1, -1);
806 syscall(SYS_setregid32, -1, -1);
807 syscall(SYS_setuid32, -1);
808 syscall(SYS_setgid32, -1);
809 syscall(SYS_setgroups32, 0, NULL);
810 ''',
811             'USE_LINUX_32BIT_SYSCALLS',
812             msg="Checking whether Linux should use 32-bit credential calls");
813
814         if (conf.CONFIG_SET('USE_LINUX_32BIT_SYSCALLS')):
815             seteuid = conf.CHECK_CODE('''
816                                 #define AUTOCONF_TEST 1
817                                 #define USE_LINUX_THREAD_CREDENTIALS 1
818                                 #define USE_LINUX_32BIT_SYSCALLS 1
819                                 #include "../lib/util/setid.c"
820                                 #include "./lib/util_sec.c"
821                                 ''',
822                                 'USE_LINUX_THREAD_CREDENTIALS',
823                                 addmain=False,
824                                 execute=True,
825                                 msg="Checking whether we can use Linux thread-specific credentials with 32-bit system calls")
826         else:
827             seteuid = conf.CHECK_CODE('''
828                                 #define AUTOCONF_TEST 1
829                                 #define USE_LINUX_THREAD_CREDENTIALS 1
830                                 #include "../lib/util/setid.c"
831                                 #include "./lib/util_sec.c"
832                                 ''',
833                                 'USE_LINUX_THREAD_CREDENTIALS',
834                                 addmain=False,
835                                 execute=True,
836                                 msg="Checking whether we can use Linux thread-specific credentials")
837     if not seteuid:
838         seteuid = conf.CHECK_CODE('''
839                                 #define AUTOCONF_TEST 1
840                                 #define USE_SETREUID 1
841                                 #include "../lib/util/setid.c"
842                                 #include "./lib/util_sec.c"
843                                 ''',
844                                 'USE_SETREUID',
845                                 addmain=False,
846                                 execute=True,
847                                 msg="Checking whether setreuid is available")
848     if not seteuid:
849         seteuid = conf.CHECK_CODE('''
850                                 #define AUTOCONF_TEST 1
851                                 #define USE_SETRESUID 1
852                                 #include "../lib/util/setid.c"
853                                 #include "./lib/util_sec.c"
854                                 ''',
855                                 'USE_SETRESUID',
856                                 addmain=False,
857                                 execute=True,
858                                 msg="Checking whether setresuid is available")
859     if not seteuid:
860         seteuid = conf.CHECK_CODE('''
861                                 #define AUTOCONF_TEST 1
862                                 #define USE_SETEUID 1
863                                 #include "../lib/util/setid.c"
864                                 #include "./lib/util_sec.c"
865                                 ''',
866                                 'USE_SETEUID',
867                                 addmain=False,
868                                 execute=True,
869                                 msg="Checking whether seteuid is available")
870     if not seteuid:
871         seteuid = conf.CHECK_CODE('''
872                                 #define AUTOCONF_TEST 1
873                                 #define USE_SETUIDX 1
874                                 #include "../lib/util/setid.c"
875                                 #include "./lib/util_sec.c"
876                                 ''',
877                                 'USE_SETUIDX',
878                                 addmain=False,
879                                 execute=True,
880                                 mandatory=True,
881                                 msg="Checking whether setuidx is available")
882     if Options.options.with_dnsupdate:
883         if not conf.CONFIG_SET('HAVE_KRB5'):
884             Logs.warn("--with-dnsupdate=yes but gssapi support not sufficient")
885         else:
886             conf.DEFINE('WITH_DNS_UPDATES', 1)
887     conf.CHECK_HEADERS('valgrind.h valgrind/valgrind.h valgrind/memcheck.h')
888     if Options.options.developer:
889         if conf.CONFIG_SET('HAVE_VALGRIND_H') or conf.CONFIG_SET('HAVE_VALGRIND_VALGRIND_H'):
890             conf.DEFINE('VALGRIND', '1')
891
892     if conf.CHECK_CODE('''
893 #include <bits/sockaddr.h>
894 #include <linux/netlink.h>
895 ''',
896                 'HAVE_LINUX_NETLINK_H',
897                 msg="Checking whether Linux netlink is available"):
898
899         conf.CHECK_CODE('''
900 #include <bits/sockaddr.h>
901 #include <linux/netlink.h>
902 #include <linux/rtnetlink.h>
903 ''',
904                 'HAVE_LINUX_RTNETLINK_H',
905                 msg='Checking whether Linux rtnetlink is available')
906
907     conf.CHECK_CODE('''
908 #include "../tests/fcntl_lock.c"
909 ''',
910                 'HAVE_FCNTL_LOCK',
911                 addmain=False,
912                 execute=True,
913                 msg='Checking whether fcntl locking is available')
914
915 # glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
916     if not conf.CHECK_CODE('''
917 #define _XOPEN_SOURCE 600
918 #include <stdlib.h>
919 #if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
920 #error probably broken posix_fallocate
921 #endif
922 ''',
923                            '_HAVE_UNBROKEN_POSIX_FALLOCATE',
924                            msg='Checking for broken posix_fallocate'):
925         conf.DEFINE('HAVE_BROKEN_POSIX_FALLOCATE', '1')
926
927
928     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtim.tv_nsec',
929                                 define='HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') # Linux, Solaris
930     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimensec',
931                                 define='HAVE_STRUCT_STAT_ST_MTIMENSEC') # BSD, if defined _POSIX_SOURCE
932     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimespec.tv_nsec',
933                                 define='HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') # BSD, if not defined _POSIX_SOURCE
934     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtime_n',
935                                 define='HAVE_STRUCT_STAT_ST_MTIME_N') # AIX
936     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_umtime',
937                                 define='HAVE_STRUCT_STAT_ST_UMTIME') # Tru64
938     if conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') or \
939        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMENSEC') or \
940        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') or \
941        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIME_N') or \
942        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_UMTIME'):
943         conf.DEFINE('HAVE_STAT_HIRES_TIMESTAMPS', '1')
944
945     # recent FreeBSD, NetBSD have creation timestamps called birthtime:
946     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtime',
947                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIME')
948     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimespec.tv_nsec',
949                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC')
950     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimensec',
951                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC')
952
953     conf.CHECK_CODE('''
954 ssize_t err = posix_fadvise(0,0,0x80000,POSIX_FADV_WILLNEED);
955 ''',
956                 'HAVE_POSIX_FADVISE',
957                 msg='Checking whether posix_fadvise is available',
958                 headers='unistd.h fcntl.h')
959
960     for v in ['_SC_NGROUPS_MAX', '_SC_NPROC_ONLN', '_SC_NPROCESSORS_ONLN', '_SC_PAGESIZE' ]:
961         conf.CHECK_CODE('''
962                         #include <unistd.h>
963                         return sysconf(%s) == -1 ? 1 : 0;
964                         ''' % v,
965                         'SYSCONF%s' % v,
966                         msg='Checking whether sysconf(%s) is available' % v)
967
968     conf.CHECK_CODE('''
969 #include <sys/syscall.h>
970 #include <unistd.h>
971 syscall(SYS_initgroups, 16, NULL, NULL, 0);
972                     ''',
973                     'HAVE_DARWIN_INITGROUPS',
974                     msg='Checking whether to use the Darwin-specific initgroups system call')
975
976     conf.CHECK_CODE('''struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));''',
977                     'HAVE_UTIMBUF',
978                     headers='sys/types.h utime.h',
979                     msg='Checking whether struct utimbuf is available')
980
981     if conf.CHECK_CODE('''struct sigevent s;''',
982                     'HAVE_STRUCT_SIGEVENT',
983                     headers='sys/types.h stdlib.h stddef.h signal.h',
984                     msg='Checking whether we have the struct sigevent'):
985         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sival_ptr',
986                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIVAL_PTR',
987                                     headers='signal.h');
988         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sigval_ptr',
989                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIGVAL_PTR',
990                                     headers='signal.h');
991
992     if os.path.exists('/proc/sys/kernel/core_pattern'):
993         conf.DEFINE('HAVE_SYS_KERNEL_PROC_CORE_PATTERN', '1')
994
995     if conf.CHECK_CODE('''
996 #include <time.h>
997 main() {
998         struct tm *tm;
999         if (sizeof(time_t) == 8) {
1000                 time_t max_time = 0x7fffffffffffffffll;
1001                 tm = gmtime(&max_time);
1002                 /* This should fail with 32-bit tm_year. */
1003                 if (tm == NULL) {
1004                         /* Max time_t that works with 32-bit int tm_year in struct tm. */
1005                         max_time = 67768036191676799ll;
1006                         tm = gmtime(&max_time);
1007                         if (tm) {
1008                                 exit(0);
1009                         }
1010                 }
1011         }
1012         exit(1);
1013 }''',
1014         '__TIME_T_MAX',
1015         addmain=False,
1016         execute=True,
1017         msg="Checking for the maximum value of the 'time_t' type"):
1018             conf.DEFINE('TIME_T_MAX', '67768036191676799ll')
1019
1020     conf.CHECK_CODE('''
1021 #if defined(HAVE_UNISTD_H)
1022 #include <unistd.h>
1023 #endif
1024 #include <sys/types.h>
1025 main() { dev_t dev = makedev(1,2); return 0; }
1026 ''',
1027         'HAVE_MAKEDEV',
1028         addmain=False,
1029         msg='Checking whether the macro for makedev is available')
1030
1031     conf.CHECK_CODE('''
1032 #include <stdio.h>
1033 #include <limits.h>
1034 #include <signal.h>
1035
1036 void exit_on_core(int ignored) {
1037         exit(1);
1038 }
1039
1040 main() {
1041         char *newpath;
1042         signal(SIGSEGV, exit_on_core);
1043         newpath = realpath("/tmp", NULL);
1044         exit((newpath != NULL) ? 0 : 1);
1045 }
1046 ''',
1047         'REALPATH_TAKES_NULL',
1048         addmain=False,
1049         execute=True,
1050         msg='Checking whether the realpath function allows a NULL argument')
1051
1052     conf.CHECK_CODE('''#include "../tests/ftruncate.c"''',
1053                     'HAVE_FTRUNCATE_EXTEND',
1054                     msg='Checking for ftruncate extend',
1055                     addmain=False,
1056                     execute=True)
1057
1058     if Options.options.with_sendfile_support:
1059         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):
1060             conf.CHECK_CODE('''
1061                             int tofd, fromfd;
1062                             off_t offset;
1063                             size_t total;
1064                             ssize_t nwritten = sendfile(tofd, fromfd, &offset, total);
1065                             ''',
1066                             '_HAVE_SENDFILE',
1067                             headers='sys/sendfile.h',
1068                             msg='Checking for linux sendfile support')
1069
1070             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1071                 conf.DEFINE('HAVE_SENDFILE', '1')
1072                 conf.DEFINE('LINUX_SENDFILE_API', '1')
1073                 conf.DEFINE('WITH_SENDFILE', '1')
1074         elif (host_os.rfind('freebsd') > -1) or (host_os.rfind('dragonfly') > -1):
1075             conf.CHECK_CODE('''
1076                             #include <sys/types.h>
1077                             #include <unistd.h>
1078                             #include <sys/socket.h>
1079                             #include <sys/uio.h>
1080                             int fromfd, tofd, ret, total=0;
1081                             off_t offset, nwritten;
1082                             struct sf_hdtr hdr;
1083                             struct iovec hdtrl;
1084                             hdr.headers = &hdtrl;
1085                             hdr.hdr_cnt = 1;
1086                             hdr.trailers = NULL;
1087                             hdr.trl_cnt = 0;
1088                             hdtrl.iov_base = NULL;
1089                             hdtrl.iov_len = 0;
1090                             ret = sendfile(fromfd, tofd, offset, total, &hdr, &nwritten, 0)
1091                             ''',
1092                             '_HAVE_SENDFILE',
1093                             msg='Checking for freebsd sendfile support')
1094             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1095                 conf.DEFINE('HAVE_SENDFILE', '1')
1096                 conf.DEFINE('FREEBSD_SENDFILE_API', '1')
1097                 conf.DEFINE('WITH_SENDFILE', '1')
1098         elif (host_os.rfind('darwin') > -1):
1099             conf.CHECK_CODE('''
1100                             #include <sys/types.h>
1101                             #include <sys/socket.h>
1102                             #include <sys/uio.h>
1103                             int fromfd, tofd, ret;
1104                             off_t offset, nwritten;
1105                             struct sf_hdtr hdr;
1106                             struct iovec hdtrl;
1107                             hdr.headers = &hdtrl;
1108                             hdr.hdr_cnt = 1;
1109                             hdr.trailers = (void *)0;
1110                             hdr.trl_cnt = 0;
1111                             hdtrl.iov_base = (void *)0;
1112                             hdtrl.iov_len = 0;
1113                             ret = sendfile(fromfd, tofd, offset, &nwritten, &hdr, 0);
1114                             ''',
1115                             '_HAVE_SENDFILE',
1116                             msg='Checking for darwin sendfile support')
1117             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1118                 conf.DEFINE('HAVE_SENDFILE', '1')
1119                 conf.DEFINE('DARWIN_SENDFILE_API', '1')
1120                 conf.DEFINE('WITH_SENDFILE', '1')
1121         elif (host_os.rfind('hpux') > -1) or (host_os.rfind('osf') > -1):
1122             conf.CHECK_CODE('''
1123                             #include <sys/socket.h>
1124                             #include <sys/uio.h>
1125                             int fromfd, tofd;
1126                             size_t total=0;
1127                             struct iovec hdtrl[2];
1128                             ssize_t nwritten;
1129                             off_t offset;
1130                             hdtrl[0].iov_base = 0;
1131                             hdtrl[0].iov_len = 0;
1132                             nwritten = sendfile(tofd, fromfd, offset, total, &hdtrl[0], 0);
1133                             ''',
1134                             '_HAVE_SENDFILE',
1135                             msg='Checking for osf/hpux sendfile support')
1136             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1137                 conf.DEFINE('HAVE_SENDFILE', '1')
1138                 conf.DEFINE('HPUX_SENDFILE_API', '1')
1139                 conf.DEFINE('WITH_SENDFILE', '1')
1140         elif (host_os.rfind('solaris') > -1):
1141             conf.CHECK_FUNCS_IN('sendfile', 'sendfilev')
1142             conf.CHECK_CODE('''
1143                             #include <sys/sendfile.h>,
1144                             int sfvcnt;
1145                             size_t xferred;
1146                             struct sendfilevec vec[2];
1147                             ssize_t nwritten;
1148                             int tofd;
1149                             sfvcnt = 2;
1150                             vec[0].sfv_fd = SFV_FD_SELF;
1151                             vec[0].sfv_flag = 0;
1152                             vec[0].sfv_off = 0;
1153                             vec[0].sfv_len = 0;
1154                             vec[1].sfv_fd = 0;
1155                             vec[1].sfv_flag = 0;
1156                             vec[1].sfv_off = 0;
1157                             vec[1].sfv_len = 0;
1158                             nwritten = sendfilev(tofd, vec, sfvcnt, &xferred);
1159                             ''',
1160                             '_HAVE_SENDFILEV',
1161                             msg='Checking for solaris sendfilev support')
1162             if conf.CONFIG_SET('_HAVE_SENDFILEV'):
1163                 conf.DEFINE('HAVE_SENDFILEV', '1')
1164                 conf.DEFINE('SOLARIS_SENDFILE_API', '1')
1165                 conf.DEFINE('WITH_SENDFILE', '1')
1166         elif (host_os.rfind('aix') > -1):
1167             conf.CHECK_CODE('''
1168                             #include <sys/socket.h>
1169                             int fromfd, tofd;
1170                             size_t total=0;
1171                             struct sf_parms hdtrl;
1172                             ssize_t nwritten;
1173                             hdtrl.header_data = 0;
1174                             hdtrl.header_length = 0;
1175                             hdtrl.file_descriptor = fromfd;
1176                             hdtrl.file_offset = 0;
1177                             hdtrl.file_bytes = 0;
1178                             hdtrl.trailer_data = 0;
1179                             hdtrl.trailer_length = 0;
1180                             nwritten = send_file(&tofd, &hdtrl, 0);
1181                             ''',
1182                             '_HAVE_SENDFILE',
1183                             msg='Checking for AIX send_file support')
1184             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1185                 conf.DEFINE('HAVE_SENDFILE', '1')
1186                 conf.DEFINE('AIX_SENDFILE_API', '1')
1187                 conf.DEFINE('WITH_SENDFILE', '1')
1188
1189     # Check for getcwd allowing a NULL arg.
1190     conf.CHECK_CODE('''
1191 #include <unistd.h>
1192 main() {
1193         char *s = getcwd(NULL,0);
1194         exit(s != NULL ?  0 : 1);
1195 }''', 'GETCWD_TAKES_NULL', addmain=False, execute=True,
1196         msg="getcwd takes a NULL argument")
1197
1198
1199     # UnixWare 7.x has its getspnam in -lgen
1200     conf.CHECK_FUNCS_IN('getspnam', 'gen')
1201     conf.CHECK_FUNCS_IN('getspnam', 'security')
1202     conf.CHECK_FUNCS_IN('getspnam', 'sec')
1203
1204     if Options.options.with_quotas:
1205         # For quotas on Veritas VxFS filesystems
1206         conf.CHECK_HEADERS('sys/fs/vx_quota.h')
1207         # For sys/quota.h and linux/quota.h
1208         conf.CHECK_HEADERS('sys/quota.h')
1209         # For quotas on BSD systems
1210         conf.CHECK_HEADERS('ufs/ufs/quota.h')
1211         # For quotas on Linux XFS filesystems
1212         if conf.CHECK_HEADERS('xfs/xqm.h'):
1213             conf.DEFINE('HAVE_XFS_QUOTAS', '1')
1214         else:
1215             # For Irix XFS
1216             conf.CHECK_CODE('''
1217                 #include "confdefs.h"
1218                 #ifdef HAVE_SYS_TYPES_H
1219                 #include <sys/types.h>
1220                 #endif
1221                 #ifdef HAVE_ASM_TYPES_H
1222                 #include <asm/types.h>
1223                 #endif
1224                 #include <sys/quota.h>
1225                 int i = Q_XGETQUOTA;''',
1226                 define='HAVE_XFS_QUOTAS',
1227                 msg='for XFS QUOTA in <sys/quota.h>',
1228                 execute=False,
1229                 local_include=False)
1230         
1231         # For IRIX like dqb_isoftlimit instead of dqb_fsoftlimit in struc dqblk
1232         conf.CHECK_STRUCTURE_MEMBER('struct dqblk', 'dqb_fsoftlimit', define='HAVE_DQB_FSOFTLIMIT',
1233                                 headers='sys/quota.h')
1234         #darwin style quota bytecount
1235         conf.CHECK_STRUCTURE_MEMBER('struct dqblk', 'dqb_curbytes', define='HAVE_STRUCT_DQBLK_DQB_CURBYTES',
1236                                 headers='sys/quota.h')
1237         if conf.CHECK_HEADERS('rpcsvc/rquota.h'):
1238             conf.DEFINE('HAVE_NFS_QUOTAS', '1')
1239             conf.CHECK_STRUCTURE_MEMBER('struct getquota_rslt', 'getquota_rslt_u',
1240                                         define='HAVE_GETQUOTA_RSLT_GETQUOTA_RSLT_U',
1241                                         headers='rpcsvc/rquota.h')
1242
1243         if (host_os.rfind('linux') > -1):
1244             conf.DEFINE('HAVE_QUOTACTL_LINUX', '1')
1245         elif not conf.CONFIG_SET("HAVE_XFS_QUOTAS"):
1246             if not conf.CHECK_CODE('''
1247                 #define HAVE_QUOTACTL_4A 1
1248                 #define AUTOCONF_TEST 1
1249                 #include "confdefs.h"
1250                 #include "${srcdir-.}/../tests/sysquotas.c"
1251                 ''',
1252                                    define='HAVE_QUOTACTL_4A',
1253                                    msg='for QUOTACTL_4A: long quotactl(int cmd, char *special, qid_t id, caddr_t addr)',
1254                                    execute=True,
1255                                    local_include=False):
1256                 conf.CHECK_CODE('''
1257                 #define HAVE_QUOTACTL_4B 1
1258                 #define AUTOCONF_TEST 1
1259                 #include "confdefs.h"
1260                 #include "${srcdir-.}/../tests/sysquotas.c"
1261                 ''',
1262                                 define='HAVE_QUOTACTL_4B',
1263                                 msg='for QUOTACTL_4B:  int quotactl(const char *path, int cmd, int id, char *addr)',
1264                                 execute=True,
1265                                 local_include=False)
1266
1267         conf.CHECK_CODE('''
1268                      clnt_create("", RQUOTAPROG, RQUOTAVERS, "udp");
1269 ''', 
1270                         headers="rpc/rpc.h rpc/types.h rpcsvc/rquota.h rpc/nettype.h rpc/xdr.h", 
1271                         define='HAVE_NFS_QUOTAS',
1272                         msg='for NFS QUOTAS',
1273                         execute=True,
1274                         local_include=False)
1275
1276         conf.CHECK_STRUCTURE_MEMBER('struct getquota_rslt', 
1277                                     'getquota_rslt_u', 
1278                                     define='HAVE_GETQUOTA_RSLT_GETQUOTA_RSLT_U',
1279                                     headers='rpcsvc/rquota.h')
1280
1281         if conf.CONFIG_SET('HAVE_QUOTACTL_LINUX') or \
1282            conf.CONFIG_SET('HAVE_QUOTACTL_4A') or \
1283            conf.CONFIG_SET('HAVE_QUOTACTL_4B'):
1284             conf.DEFINE('HAVE_SYS_QUOTAS', '1')
1285
1286     #
1287     # checking for clustering extensions (CTDB)
1288     #
1289     if not Options.options.with_cluster_support:
1290         have_cluster_support = False
1291
1292     else:
1293
1294         if Options.options.ctdb_dir:
1295             conf.ADD_EXTRA_INCLUDES(Options.options.ctdb_dir + '/include')
1296
1297         srcdir = os.path.realpath(conf.srcdir)
1298         if 'EXTRA_INCLUDES' in conf.env:
1299             includes = ' '.join(conf.env['EXTRA_INCLUDES']).replace('#', srcdir + '/')
1300         else:
1301             includes = ''
1302
1303         have_cluster_support = True
1304         ctdb_broken = ""
1305
1306         conf.CHECK_CODE('''
1307             #define NO_CONFIG_H
1308             #include "replace.h"
1309             #include "system/wait.h"
1310             #include "system/network.h"
1311             #define private #error __USED_RESERVED_WORD_private__
1312             #include <talloc.h>
1313             #include <tdb.h>
1314             #include <ctdb.h>
1315
1316             int main(void)
1317             {
1318                 return 0;
1319             }
1320             ''',
1321             'HAVE_CTDB_H',
1322             addmain=False,
1323             includes=includes,
1324             msg='Checking for header ctdb.h')
1325
1326         if not conf.CONFIG_SET('HAVE_CTDB_H'):
1327             have_cluster_support = False
1328             ctdb_broken = "ctdb.h is required for cluster support"
1329
1330         if have_cluster_support:
1331             conf.CHECK_CODE('''
1332                 #define NO_CONFIG_H
1333                 #include "replace.h"
1334                 #include "system/wait.h"
1335                 #include "system/network.h"
1336                 #define private #error __USED_RESERVED_WORD_private__
1337                 #include <talloc.h>
1338                 #include <tdb.h>
1339                 #include <ctdb.h>
1340                 #include <ctdb_private.h>
1341
1342                 int main(void)
1343                 {
1344                     return 0;
1345                 }
1346                 ''',
1347                 'HAVE_CTDB_PRIVATE_H',
1348                 addmain=False,
1349                 includes=includes,
1350                 msg='Checking for header ctdb_private.h')
1351
1352             if not conf.CONFIG_SET('HAVE_CTDB_PRIVATE_H'):
1353                 have_cluster_support = False
1354                 ctdb_broken = "ctdb_private.h is required for cluster support"
1355
1356         if have_cluster_support:
1357             conf.CHECK_CODE('''
1358                 #define NO_CONFIG_H
1359                 #include "replace.h"
1360                 #include "system/wait.h"
1361                 #include "system/network.h"
1362                 #include <talloc.h>
1363                 #include <tdb.h>
1364                 #include <ctdb.h>
1365                 #include <ctdb_private.h>
1366
1367                 int main(void)
1368                 {
1369                    int i = (int)CTDB_CONTROL_TRANS3_COMMIT;
1370                    return 0;
1371                 }
1372                 ''',
1373                 'HAVE_CTDB_CONTROL_TRANS3_COMMIT_DECL',
1374                 addmain=False,
1375                 includes=includes,
1376                 msg='Checking for transaction support (TRANS3_COMMIT control)')
1377
1378             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_TRANS3_COMMIT_DECL'):
1379                 have_cluster_support = False
1380                 ctdb_broken = "ctdb transaction support missing or too old"
1381
1382         if have_cluster_support:
1383             conf.CHECK_CODE('''
1384                 #define NO_CONFIG_H
1385                 #include "replace.h"
1386                 #include "system/wait.h"
1387                 #include "system/network.h"
1388                 #include <talloc.h>
1389                 #include <tdb.h>
1390                 #include <ctdb.h>
1391                 #include <ctdb_private.h>
1392
1393                 int main(void)
1394                 {
1395                     int i = (int)CTDB_CONTROL_SCHEDULE_FOR_DELETION;
1396                     return 0;
1397                 }
1398                 ''',
1399                 'HAVE_CTDB_CONTROL_SCHEDULE_FOR_DELETION_DECL',
1400                 addmain=False,
1401                 includes=includes,
1402                 msg='Checking for SCHEDULE_FOR_DELETION control')
1403
1404             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_SCHEDULE_FOR_DELETION_DECL'):
1405                 if not Options.options.enable_old_ctdb:
1406                     have_cluster_support = False
1407                     ctdb_broken = "SCHEDULE_FOR_DELETION control missing"
1408                 else:
1409                     Logs.warn("ignoring missing SCHEDULE_FOR_DELETION control (--enable-old-ctdb)")
1410
1411         if have_cluster_support:
1412             conf.CHECK_CODE('''
1413                 #define NO_CONFIG_H
1414                 #include "replace.h"
1415                 #include "system/wait.h"
1416                 #include "system/network.h"
1417                 #include <talloc.h>
1418                 #include <tdb.h>
1419                 #include <ctdb.h>
1420                 #include <ctdb_private.h>
1421
1422                 int main(void)
1423                 {
1424                     struct ctdb_control_tcp _x;
1425                     return 0;
1426                 }
1427                 ''',
1428                 'HAVE_STRUCT_CTDB_CONTROL_TCP',
1429                 addmain=False,
1430                 includes=includes,
1431                 msg='Checking for ctdb ipv4 support')
1432
1433             if not conf.CONFIG_SET('HAVE_STRUCT_CTDB_CONTROL_TCP'):
1434                 have_cluster_support = False
1435                 ctdb_broken = "missing struct ctdb_control_tcp"
1436
1437         if have_cluster_support:
1438             conf.CHECK_CODE('''
1439                 #define NO_CONFIG_H
1440                 #include "replace.h"
1441                 #include "system/wait.h"
1442                 #include "system/network.h"
1443                 #include <talloc.h>
1444                 #include <tdb.h>
1445                 #include <ctdb.h>
1446                 #include <ctdb_private.h>
1447
1448                 int main(void)
1449                 {
1450                     struct ctdb_control_tcp_addr _x;
1451                     return 0;
1452                 }
1453                 ''',
1454                 'HAVE_STRUCT_CTDB_CONTROL_TCP_ADDR',
1455                 addmain=False,
1456                 includes=includes,
1457                 msg='Checking for ctdb ipv6 support')
1458
1459         if have_cluster_support:
1460             conf.CHECK_CODE('''
1461                 #define NO_CONFIG_H
1462                 #include "replace.h"
1463                 #include "system/wait.h"
1464                 #include "system/network.h"
1465                 #include <talloc.h>
1466                 #include <tdb.h>
1467                 #include <ctdb.h>
1468                 #include <ctdb_private.h>
1469
1470                 int main(void)
1471                 {
1472                     int i = (int)CTDB_CONTROL_CHECK_SRVIDS;
1473                     return 0;
1474                 }
1475                 ''',
1476                 'HAVE_CTDB_CONTROL_CHECK_SRVIDS_DECL',
1477                 addmain=False,
1478                 includes=includes,
1479                 msg='Checking for CHECK_SRVIDS control')
1480
1481             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_CHECK_SRVIDS_DECL'):
1482                 if not Options.options.enable_old_ctdb:
1483                     have_cluster_support = False
1484                     ctdb_broken = "CHECK_SRVIDS control missing"
1485                 else:
1486                     Logs.warn("ignoring missing CHECK_SRVIDS control (--enable-old-ctdb)")
1487
1488     if have_cluster_support:
1489         Logs.info("building with cluster support")
1490         conf.DEFINE('CLUSTER_SUPPORT', 1);
1491     else:
1492         if not Options.options.with_cluster_support:
1493             Logs.info("building without cluster support")
1494         else:
1495             Logs.warn("building without cluster support: " + ctdb_broken)
1496         conf.undefine('CLUSTER_SUPPORT')
1497
1498
1499
1500     conf.CHECK_CODE('__attribute__((destructor)) static void cleanup(void) { }',
1501                     'HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR',
1502                     addmain=False,
1503                     link=False,
1504                     msg='Checking whether we can compile with __attribute__((destructor))')
1505
1506     conf.CHECK_CODE('void seekdir(DIR *d, long loc) { return; }',
1507                     'SEEKDIR_RETURNS_VOID',
1508                     headers='sys/types.h dirent.h',
1509                     msg='Checking whether seekdir returns void')
1510
1511     if Options.options.with_profiling_data:
1512         conf.DEFINE('WITH_PROFILE', 1);
1513
1514     PTHREAD_CFLAGS='error'
1515     PTHREAD_LDFLAGS='error'
1516
1517     if PTHREAD_LDFLAGS == 'error':
1518         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'pthread'):
1519             PTHREAD_CFLAGS='-D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS'
1520             PTHREAD_LDFLAGS='-lpthread'
1521     if PTHREAD_LDFLAGS == 'error':
1522         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'pthreads'):
1523             PTHREAD_CFLAGS='-D_THREAD_SAFE'
1524             PTHREAD_LDFLAGS='-lpthreads'
1525     if PTHREAD_LDFLAGS == 'error':
1526         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'c_r'):
1527             PTHREAD_CFLAGS='-D_THREAD_SAFE -pthread'
1528             PTHREAD_LDFLAGS='-pthread'
1529     if PTHREAD_LDFLAGS == 'error':
1530         if conf.CHECK_FUNCS('pthread_attr_init'):
1531             PTHREAD_CFLAGS='-D_REENTRANT'
1532             PTHREAD_LDFLAGS='-lpthread'
1533     # especially for HP-UX, where the CHECK_FUNC macro fails to test for
1534     # pthread_attr_init. On pthread_mutex_lock it works there...
1535     if PTHREAD_LDFLAGS == 'error':
1536         if conf.CHECK_FUNCS_IN('pthread_mutex_lock', 'pthread'):
1537             PTHREAD_CFLAGS='-D_REENTRANT'
1538             PTHREAD_LDFLAGS='-lpthread'
1539
1540     if PTHREAD_CFLAGS != 'error' and PTHREAD_LDFLAGS != 'error':
1541         conf.ADD_CFLAGS(PTHREAD_CFLAGS)
1542         conf.ADD_LDFLAGS(PTHREAD_LDFLAGS)
1543         conf.CHECK_HEADERS('pthread.h')
1544         conf.DEFINE('HAVE_PTHREAD', '1')
1545
1546     if Options.options.with_pthreadpool:
1547         if conf.CONFIG_SET('HAVE_PTHREAD'):
1548             conf.DEFINE('WITH_PTHREADPOOL', '1')
1549         else:
1550             Logs.warn("pthreadpool support cannot be enabled when pthread support was not found")
1551             conf.undefine('WITH_PTHREADPOOL')
1552
1553     if conf.CHECK_HEADERS('gpfs_gpl.h'):
1554         conf.DEFINE('HAVE_GPFS', '1')
1555
1556     default_static_modules.extend(TO_LIST('''pdb_smbpasswd pdb_tdbsam pdb_wbc_sam
1557                                       auth_sam auth_unix auth_winbind auth_wbc
1558                                       auth_domain auth_builtin vfs_default
1559                                       nss_info_template idmap_tdb idmap_passdb
1560                                       idmap_nss'''))
1561
1562     default_shared_modules.extend(TO_LIST('''vfs_recycle vfs_audit vfs_extd_audit vfs_full_audit vfs_netatalk
1563                                       vfs_fake_perms vfs_default_quota vfs_readonly vfs_cap
1564                                       vfs_expand_msdfs vfs_shadow_copy vfs_shadow_copy2 
1565                                       auth_script vfs_readahead vfs_xattr_tdb vfs_posix_eadb
1566                                       vfs_streams_xattr vfs_streams_depot vfs_acl_xattr vfs_acl_tdb
1567                                       vfs_smb_traffic_analyzer vfs_preopen vfs_catia vfs_scannedonly
1568                                       vfs_media_harmony
1569                                       vfs_crossrename vfs_linux_xfs_sgid
1570                                       vfs_time_audit idmap_autorid idmap_tdb2
1571                                       idmap_rid idmap_hash'''))
1572
1573     if Options.options.developer:
1574         default_static_modules.extend(TO_LIST('charset_weird'))
1575         default_shared_modules.extend(TO_LIST('perfcount_test'))
1576         default_shared_modules.extend(TO_LIST('vfs_skel_opaque vfs_skel_transparent vfs_shadow_copy_test'))
1577         default_shared_modules.extend(TO_LIST('auth_skel pdb_test'))
1578
1579     if Options.options.enable_selftest or Options.options.developer:
1580         default_shared_modules.extend(TO_LIST('vfs_fake_acls'))
1581         
1582
1583     if conf.CONFIG_SET('AD_DC_BUILD_IS_ENABLED'):
1584         default_static_modules.extend(TO_LIST('pdb_samba_dsdb auth_samba4 vfs_dfs_samba4'))
1585
1586     if conf.CONFIG_SET('HAVE_FREEBSD_SUNACL_H'):
1587         default_shared_modules.extend(TO_LIST('vfs_zfsacl'))
1588
1589     if conf.CONFIG_SET('HAVE_DIRFD_DECL'):
1590         default_shared_modules.extend(TO_LIST('vfs_syncops vfs_dirsort'))
1591
1592     if conf.CONFIG_SET('HAVE_STATFS_F_FSID'):
1593         default_shared_modules.extend(TO_LIST('vfs_fileid'))
1594
1595     if (conf.CONFIG_SET('HAVE_MSGHDR_MSG_CONTROL') or conf.CONFIG_SET('HAVE_MSGHDR_MSG_ACCTRIGHTS')):
1596         default_shared_modules.extend(TO_LIST('vfs_aio_fork'))
1597
1598     if Options.options.with_pthreadpool:
1599         default_shared_modules.extend(TO_LIST('vfs_aio_pthread'))
1600
1601     if conf.CONFIG_SET('HAVE_AIO'):
1602         default_shared_modules.extend(TO_LIST('vfs_aio_posix'))
1603
1604     if conf.CONFIG_SET('HAVE_LINUX_KERNEL_AIO'):
1605         default_shared_modules.extend(TO_LIST('vfs_aio_linux'))
1606
1607     if conf.CONFIG_SET('HAVE_LDAP'):
1608         default_static_modules.extend(TO_LIST('pdb_ldap idmap_ldap'))
1609
1610     if conf.CONFIG_SET('DARWINOS'):
1611         default_static_modules.extend(TO_LIST('charset_macosxfs'))
1612
1613     if conf.CONFIG_SET('HAVE_GPFS'):
1614         default_shared_modules.extend(TO_LIST('vfs_gpfs'))
1615
1616     explicit_shared_modules = TO_LIST(Options.options.shared_modules, delimiter=',')
1617     explicit_static_modules = TO_LIST(Options.options.static_modules, delimiter=',')
1618
1619     final_static_modules = default_static_modules
1620     final_shared_modules = default_shared_modules
1621
1622     for m in explicit_static_modules:
1623         if m in final_shared_modules:
1624             final_shared_modules.remove(m)
1625         final_static_modules.append(m)
1626     for m in explicit_shared_modules:
1627         if m in final_static_modules:
1628             final_static_modules.remove(m)
1629         final_shared_modules.append(m)
1630
1631     if ("auth_domain" not in final_static_modules) or \
1632             ("auth_builtin" not in final_static_modules) or \
1633             ("auth_sam" not in final_static_modules) or \
1634             ("auth_winbind" not in final_static_modules):
1635         raise Utils.WafError('These auth modules MUST be configured as static modules: auth_domain, auth_builtin, auth_sam, auth_winbind')
1636
1637     conf.env['static_modules'] = final_static_modules
1638     conf.env['shared_modules'] = final_shared_modules
1639
1640     conf.DEFINE('STRING_STATIC_MODULES', ' '.join(final_static_modules), quote=True)
1641
1642     static_list = {}
1643     shared_list = {}
1644
1645     prefixes = ['vfs', 'pdb', 'auth', 'nss_info', 'charset', 'idmap', 'gpext', 'perfcount']
1646     conf.env['MODULE_PREFIXES'] = prefixes
1647     for p in prefixes:
1648         for m in final_static_modules:
1649             if m.find(p) == 0:
1650                 if not p in static_list:
1651                     static_list[p] = []
1652                 static_list[p].append(m)
1653         for m in final_shared_modules:
1654             if m.find(p) == 0:
1655                 if not p in shared_list:
1656                     shared_list[p] = []
1657                 shared_list[p].append(m)
1658
1659     for p in prefixes:
1660         static_env = "%s_STATIC" % p.upper()
1661         shared_env = "%s_SHARED" % p.upper()
1662         conf.env[static_env] = []
1663         conf.env[shared_env] = []
1664         if p in static_list:
1665             decl_list=""
1666             for entry in static_list[p]:
1667                 decl_list += "extern NTSTATUS %s_init(void); " % entry
1668                 conf.env[static_env].append('%s' % entry)
1669             decl_list = decl_list.rstrip()
1670             conf.DEFINE('static_decl_%s' % p, decl_list)
1671             conf.DEFINE('static_init_%s' % p, '{ %s_init(); }' % '_init();  '.join(static_list[p]))
1672         else:
1673             conf.DEFINE('static_decl_%s' % p, '')
1674             conf.DEFINE('static_init_%s' % p, '{}')
1675         if p in shared_list:
1676             for entry in shared_list[p]:
1677                 conf.DEFINE('%s_init' % entry, 'samba_init_module')
1678                 conf.env[shared_env].append('%s' % entry)
1679
1680     conf.SAMBA_CONFIG_H('include/config.h')
1681
1682 def ctags(ctx):
1683     "build 'tags' file using ctags"
1684     import Utils
1685     source_root = os.path.dirname(Utils.g_module.root_path)
1686     cmd = 'ctags $(find %s/.. -name "*.[ch]" | grep -v "*_proto\.h")' % source_root
1687     print("Running: %s" % cmd)
1688     os.system(cmd)
1689