summaryrefslogtreecommitdiff
path: root/source3/wscript
blob: fc91858351e1cef2fccddea8d635c6f8e849799b (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
#! /usr/bin/env python

srcdir = '..'
blddir = 'bin'

import sys, os
from optparse import SUPPRESS_HELP
sys.path.insert(0, srcdir+"/buildtools/wafsamba")
import wafsamba, Options
import build.charset
import samba_utils
import samba3

version = wafsamba.samba_version_file("./VERSION")

VERSION=version.STRING

def set_options(opt):
    opt.BUILTIN_DEFAULT('NONE')
    opt.BUNDLED_EXTENSION_DEFAULT('s3')
    opt.RECURSE('../lib/replace')
    opt.RECURSE('build')
    opt.RECURSE('../lib/nss_wrapper')
    opt.RECURSE('../lib/socket_wrapper')
    opt.RECURSE('../lib/tevent')
    opt.RECURSE('../lib/tdb')

    opt.add_option('--with-static-modules',
                   help=("Comma-separated list of names of modules to statically link in"),
                   action="store", dest='static_modules', default='')
    opt.add_option('--with-shared-modules',
                   help=("Comma-separated list of names of modules to build shared"),
                   action="store", dest='shared_modules', default='')
    opt.add_option('--enable-selftest',
                  help=("enable options necessary for selftest"),
                  action="store_true", dest='enable_selftest', default=False)

    opt.SAMBA3_ADD_OPTION('winbind')
    opt.SAMBA3_ADD_OPTION('swat')
    opt.SAMBA3_ADD_OPTION('ads')
    opt.SAMBA3_ADD_OPTION('krb5')
    opt.SAMBA3_ADD_OPTION('ldap')
    opt.SAMBA3_ADD_OPTION('cups', with_name="enable", without_name="disable")
    opt.SAMBA3_ADD_OPTION('merged-build', with_name="enable", without_name="disable")
    opt.SAMBA3_ADD_OPTION('pam')
    opt.SAMBA3_ADD_OPTION('quotas')
    opt.SAMBA3_ADD_OPTION('sys-quotas')
    opt.SAMBA3_ADD_OPTION('sendfile-support')
    opt.SAMBA3_ADD_OPTION('utmp')
    opt.SAMBA3_ADD_OPTION('pthreadpool', with_name="enable", without_name="disable")
    opt.SAMBA3_ADD_OPTION('avahi', with_name="enable", without_name="disable")
    opt.SAMBA3_ADD_OPTION('iconv')


def configure(conf):
    from samba_utils import TO_LIST

    conf.DEFINE('PACKAGE_NAME', 'Samba', quote=True)
    conf.DEFINE('PACKAGE_STRING', 'Samba %s' % version.MAJOR, quote=True)
    conf.DEFINE('PACKAGE_TARNAME',  'samba', quote=True)
    conf.DEFINE('PACKAGE_URL', "", quote=True)
    conf.DEFINE('PACKAGE_VERSION', "%s" % version.MAJOR, quote=True)
    conf.DEFINE('PACKAGE_BUGREPORT', 'samba-technical@samba.org', quote=True)

    conf.DEFINE('CONFIG_H_IS_FROM_SAMBA', 1)
    conf.DEFINE('_SAMBA_BUILD_', version.MAJOR, add_to_cflags=True)
    conf.DEFINE('HAVE_CONFIG_H', 1, add_to_cflags=True)
    if Options.options.developer:
        conf.ADD_CFLAGS('-DDEVELOPER -DDEBUG_PASSWORD')
        conf.env['developer'] = True

    if Options.options.with_swat:
        conf.env['build_swat'] = True

    # set a limit on recursing in the waf preprocessor
    conf.env.preprocessor_recursion_limit = 10

    conf.ADD_EXTRA_INCLUDES('''#source3 #source3/include #lib/replace #lib/talloc
                               #lib/tevent #source3/libaddns #source3/librpc
                               #source3/lib #lib/tdb/include #lib/popt #source4''')

    conf.RECURSE('../lib/replace')
    conf.RECURSE('build')
    conf.RECURSE('../lib/tdb')
    conf.RECURSE('../lib/talloc')
    conf.RECURSE('../lib/tevent')
    conf.RECURSE('../lib/popt')
    conf.RECURSE('../lib/nss_wrapper')
    conf.RECURSE('../lib/socket_wrapper')
    conf.RECURSE('../lib/zlib')

    conf.CHECK_HEADERS('execinfo.h libexc.h libunwind.h netdb.h')

    conf.CHECK_FUNCS('getcwd fchown chmod fchmod mknod mknod64')
    conf.CHECK_FUNCS('strtol strchr strupr chflags')
    conf.CHECK_FUNCS('getrlimit fsync fdatasync setpgid')
    conf.CHECK_FUNCS('setsid glob strpbrk crypt16 getauthuid')
    conf.CHECK_FUNCS('sigprocmask sigblock sigaction sigset innetgr')
    conf.CHECK_FUNCS('initgroups select poll rdchk getgrnam getgrent pathconf')
    conf.CHECK_FUNCS('setpriv setgidx setuidx setgroups sysconf stat64 fstat64')
    conf.CHECK_FUNCS('lstat64 fopen64 atexit grantpt lseek64 ftruncate64 posix_fallocate posix_fallocate64')
    conf.CHECK_FUNCS('fseek64 fseeko64 ftell64 ftello64 setluid')
    conf.CHECK_FUNCS('getpwnam', headers='sys/types.h pwd.h')
    conf.CHECK_FUNCS('opendir64 readdir64 seekdir64 telldir64 rewinddir64 closedir64')
    conf.CHECK_FUNCS('getpwent_r getdents64 setenv strcasecmp fcvt fcvtl')
    conf.CHECK_FUNCS('syslog vsyslog timegm setlocale nl_langinfo')
    conf.CHECK_FUNCS_IN('nanosleep', 'rt')
    conf.CHECK_FUNCS('lutimes futimes utimensat futimens')
    conf.CHECK_FUNCS('mlock munlock mlockall munlockall')
    conf.CHECK_FUNCS('memalign posix_memalign hstrerror')
    conf.CHECK_FUNCS('shmget')
    conf.CHECK_FUNCS_IN('shm_open', 'rt', checklibc=True)
    conf.CHECK_FUNCS('gettext dgettext bindtextdomain textdomain')
    #FIXME: for some reason this one still fails
    conf.CHECK_FUNCS_IN('yp_get_default_domain', 'nsl')
    conf.CHECK_FUNCS_IN('dn_expand _dn_expand __dn_expand', 'resolv')

    # Check for inotify support
    conf.CHECK_HEADERS('linux/inotify.h asm/unistd.h sys/inotify.h')
    conf.CHECK_FUNCS('inotify_init')
    if "HAVE_LINUX_INOTIFY_H" in conf.env and "HAVE_INOTIFY_INIT" in conf.env:
        conf.DEFINE('HAVE_INOTIFY', 1)

    # Check for kernel change notify support
    conf.CHECK_CODE('''
#ifndef F_NOTIFY
#define F_NOTIFY 1026
#endif
main() {
        exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
}''', 'HAVE_KERNEL_CHANGE_NOTIFY', addmain=False, execute=True,
        headers='fcntl.h signal.h',
        msg="Checking for kernel change notify support")

    # Check for Linux kernel oplocks
    conf.CHECK_CODE('''
#include <sys/types.h>
#include <fcntl.h>
#include <signal.h>
#ifndef F_NOTIFY
#define F_NOTIFY 1026
#endif
main() {
        exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
}''', 'HAVE_KERNEL_OPLOCKS_LINUX', addmain=False, execute=True,
        msg="Checking for Linux kernel oplocks")

    # Check for IRIX kernel oplock types
    conf.CHECK_CODE('oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;',
                    'HAVE_KERNEL_OPLOCKS_IRIX', headers='fcntl.h',
                    msg="Checking for IRIX kernel oplock types")

    # Check for krenel share modes
    conf.CHECK_CODE('''
#include <sys/types.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/file.h>
#ifndef LOCK_MAND
#define LOCK_MAND	32
#define LOCK_READ	64
#endif
main() {
        exit(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
}''', 'HAVE_KERNEL_SHARE_MODES', addmain=False, execute=True,
        msg="Checking for krenel share modes")

    # Check for various members of the stat structure
    conf.CHECK_TYPES('blksize_t blkcnt_t')
    conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blocks', define='HAVE_STAT_ST_BLOCKS',
                                headers='sys/stat.h')
    conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blksize', define='HAVE_STAT_ST_BLKSIZE',
                                headers='sys/stat.h')

    # Check for POSIX capability support
    conf.CHECK_FUNCS_IN('cap_get_proc', 'cap', headers='sys/capability.h')

    if "HAVE_SYS_CAPABILITY_H" in conf.env:
        conf.CHECK_CODE('''
        cap_t cap;
        cap_value_t vals[1];
        if (!(cap = cap_get_proc())) exit(1);
        vals[0] = CAP_CHOWN;
        cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
        cap_set_proc(cap);''',
                        'HAVE_POSIX_CAPABILITIES', execute=True, lib="cap",
                        headers='sys/capability.h',
                        msg="Checking whether POSIX capabilities are available")

    # Check for int16, uint16, int32 and uint32 in rpc/types.h included from
    # rpc/rpc.h. This is *really* broken but some systems (DEC OSF1) do this.
    # -- JRA.
    if conf.CONFIG_SET("HAVE_RPC_RPC_H"):
        conf.CHECK_TYPE('int16', headers='rpc/rpc.h',
                        define='HAVE_INT16_FROM_RPC_RPC_H',
                        msg="Checking for int16 typedef included by rpc/rpc.h")
        conf.CHECK_CODE('uint16 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
                        headers='sys/types.h rpc/rpc.h',
                        msg="Checking for uint16 typedef included by rpc/rpc.h")
        conf.CHECK_CODE('int32 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
                        headers='sys/types.h rpc/rpc.h',
                        msg="Checking for int32 typedef included by rpc/rpc.h")
        conf.CHECK_CODE('uint32 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
                        headers='sys/types.h rpc/rpc.h',
                        msg="Checking for uint32 typedef included by rpc/rpc.h")
    conf.CHECK_CODE('int i;', 'BROKEN_NISPLUS_INCLUDE_FILES',
                    headers='sys/types.h sys/acl.h rpcsvc/nis.h',
                    msg="Checking for broken nisplus include files")

    # Check if the compiler will optimize out functions
    conf.CHECK_CODE('''
if (0) {
    this_function_does_not_exist();
} else {
    return 1;
}''', 'HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS',
        msg="Checking if the compiler will optimize out functions")

    # Check if the compiler supports the LL suffix on long long integers
    # AIX needs this
    conf.CHECK_CODE('long long i = 0x8000000000LL', 'COMPILER_SUPPORTS_LL',
                    headers='stdio.h',
                    msg="Checking for LL suffix on long long integers")

    conf.CHECK_FUNCS('''
_acl __acl add_proplist_entry atexit attr_getf attr_list attr_listf
attropen attr_remove attr_removef attr_set attr_setf backtrace_symbols
bindtextdomain _chdir __chdir chflags chmod _close __close _closedir
__closedir closedir64 creat64 crypt16 delproplist devnm dgettext dirfd
DNSServiceRegister _dup __dup _dup2 __dup2 endmntent execl
extattr_delete_fd extattr_delete_link extattr_get_fd extattr_get_file
extattr_get_link extattr_list_fd extattr_list_file extattr_list_link
extattr_set_fd extattr_set_file extattr_set_link _facl __facl _fchdir
__fchdir fchmod fchown _fcntl __fcntl fcvt fcvtl fdatasync
fdelproplist fgetea fgetproplist fgetxattr flistea flistxattr fopen64
_fork __fork fremoveea fremovexattr fseek64 fseeko64 fsetea
fsetproplist fsetxattr _fstat __fstat fstat64 _fstat64 __fstat64 fsync
ftell64 ftello64 ftruncate64 futimens futimes __fxstat getauthuid
getcwd _getcwd __getcwd getdents __getdents getdents64 getdirentries
getgrent getgrnam getgrouplist getmntent getpagesize
getproplist get_proplist_entry getpwanam getpwent_r getrlimit gettext
glob grantpt hstrerror initgroups innetgr
inotify_init lgetea lgetxattr listea listxattr llistea llistxattr
llseek _llseek __llseek lremoveea lremovexattr _lseek __lseek lseek64
lsetea lsetxattr _lstat __lstat lstat64 _lstat64 __lstat64 lutimes
__lxstat memalign mknod mknod64 mlock mlockall munlock munlockall
nl_langinfo _open __open open64 _open64 __open64 _opendir __opendir
opendir64 pathconf poll posix_fallocate posix_fallocate64
posix_memalign prctl pread _pread __pread pread64 _pread64 __pread64
pwrite _pwrite __pwrite pwrite64 _pwrite64
__pwrite64 rdchk _read __read _readdir __readdir readdir64 _readdir64
__readdir64 removeea removexattr rewinddir64 _seekdir __seekdir
seekdir64 select setea setenv setgidx setgroups setlocale setluid
setmntent setpgid setpriv setproplist setsid setuidx
setxattr shmget shm_open sigaction sigblock sigprocmask sigset
sizeof_proplist_entry _stat __stat stat64 _stat64 __stat64 statvfs
strcasecmp strchr strpbrk strsignal strtol strupr sysconf sysctlbyname
__sys_llseek syslog _telldir __telldir telldir64 textdomain timegm
utimensat vsyslog _write __write __xstat
''')

    conf.CHECK_TYPE('struct timespec', headers='sys/time.h time.h')

    conf.CHECK_SAMBA3_CHARSET() # see build/charset.py


    default_static_modules=TO_LIST('''pdb_smbpasswd pdb_tdbsam pdb_wbc_sam pdb_ldap rpc_lsarpc rpc_samr
                                      rpc_winreg rpc_initshutdown rpc_dssetup rpc_wkssvc rpc_svcctl
                                      rpc_ntsvcs rpc_netlogon rpc_netdfs rpc_srvsvc rpc_spoolss
                                      rpc_eventlog auth_sam auth_unix auth_winbind auth_wbc auth_server
                                      auth_domain auth_builtin auth_netlogond vfs_default
                                      nss_info_template''')

    default_shared_modules=TO_LIST('''vfs_recycle vfs_audit vfs_extd_audit vfs_full_audit vfs_netatalk
                                      vfs_fake_perms vfs_default_quota vfs_readonly vfs_cap
                                      vfs_expand_msdfs vfs_shadow_copy vfs_shadow_copy2 charset_CP850
                                      charset_CP437 auth_script vfs_readahead vfs_xattr_tdb
                                      vfs_streams_xattr vfs_streams_depot vfs_acl_xattr vfs_acl_tdb
                                      vfs_smb_traffic_analyzer vfs_preopen vfs_catia vfs_scannedonly
                                      vfs_crossrename''')

    if Options.options.developer:
        default_static_modules.extend(TO_LIST('rpc_rpcecho pdb_ads'))
        default_shared_modules.extend(TO_LIST('charset_weird perfcount_test'))

    move_to_shared = TO_LIST(Options.options.shared_modules)
    move_to_static = TO_LIST(Options.options.static_modules)

    for m in move_to_static:
        if m in default_shared_modules:
            default_shared_modules.remove(m)
            default_static_modules.append(m)
    for m in move_to_shared:
        if m in default_static_modules:
            default_static_modules.remove(m)
            default_shared_modules.append(m)

    conf.env['static_modules'] = default_static_modules
    conf.env['shared_modules'] = default_shared_modules

    conf.DEFINE('STRING_STATIC_MODULES', ' '.join(default_static_modules), quote=True)

    static_list = {}
    shared_list = {}

    prefixes = ['vfs', 'pdb', 'rpc', 'auth', 'nss_info', 'charset', 'idmap', 'gpext', 'perfcount']
    conf.env['MODULE_PREFIXES'] = prefixes
    for p in prefixes:
        for m in default_static_modules:
            if m.find(p) == 0:
                if not p in static_list:
                    static_list[p] = []
                static_list[p].append(m)
        for m in default_shared_modules:
            if m.find(p) == 0:
                if not p in shared_list:
                    shared_list[p] = []
                shared_list[p].append(m)

    for p in prefixes:
        static_env = "%s_STATIC" % p.upper()
        shared_env = "%s_SHARED" % p.upper()
        conf.env[static_env] = []
        conf.env[shared_env] = []
        if p in static_list:
            decl_list=""
            if p == "rpc":
                for entry in static_list[p]:
                    decl_list += "extern NTSTATUS %s_init(const struct rpc_srv_callbacks *rpc_srv_cb); " % entry
                    conf.env[static_env].append('%s' % entry.upper())
                decl_list = decl_list.rstrip()
                conf.DEFINE('static_decl_%s' % p, decl_list)
                conf.DEFINE('static_init_%s' % p, '{ %s_init(NULL); }' % '_init(NULL);  '.join(static_list[p]))
            else:
                for entry in static_list[p]:
                    decl_list += "extern NTSTATUS %s_init(void); " % entry
                    conf.env[static_env].append('%s' % entry.upper())
                decl_list = decl_list.rstrip()
                conf.DEFINE('static_decl_%s' % p, decl_list)
                conf.DEFINE('static_init_%s' % p, '{ %s_init(); }' % '_init();  '.join(static_list[p]))
        else:
            conf.DEFINE('static_decl_%s' % p, '')
            conf.DEFINE('static_init_%s' % p, '{}')
        if p in shared_list:
            for entry in shared_list[p]:
                conf.DEFINE('%s_init' % entry, 'init_samba_module')
                conf.env[shared_env].append('%s' % entry.upper())

    if Options.options.with_winbind:
        conf.env.build_winbind = True
        conf.DEFINE('WITH_WINBIND', '1')

    conf.find_program('awk', var='AWK')

    # Darwin has extra options to xattr-family functions
    conf.CHECK_CODE('getxattr(0, 0, 0, 0, 0, 0);',
                    'XATTR_ADD_OPT',
                    msg="Checking whether xattr interface takes additional options",
                    headers='sys/types.h attr/xattr.h sys/xattr.h')

    conf.CHECK_HEADERS('asm/types.h')

    conf.CHECK_CODE('dev_t dev; int i = major(dev); return 0', "HAVE_DEVICE_MAJOR_FN",
                    headers='unistd.h sys/types.h',
                    msg="Checking for major macro")

    conf.CHECK_CODE('dev_t dev; int i = minor(dev); return 0', "HAVE_DEVICE_MINOR_FN",
                    headers='unistd.h sys/types.h',
                    msg="Checking for minor macro")

    conf.CHECK_STRUCTURE_MEMBER('struct dirent', 'd_off',
                                headers='unistd.h sys/types.h dirent.h',
                                define='HAVE_DIRENT_D_OFF')

    conf.CHECK_FUNCS('setnetgrent getnetgrent endnetgrent')
    conf.CHECK_CODE('setnetgrent("foo")', 'HAVE_SETNETGRENT_PROTOTYPE',
                    msg="Checking for setnetgrent prototype",
                    headers='netdb.h netgroup.h',
                    cflags="-Werror-implicit-function-declaration")
    conf.CHECK_CODE('getnetgrent', 'HAVE_GETNETGRENT_PROTOTYPE',
                    msg="Checking for getnetgrent prototype",
                    headers='netdb.h netgroup.h',
                    cflags="-Werror-implicit-function-declaration")
    conf.CHECK_CODE('endnetgrent', 'HAVE_ENDNETGRENT_PROTOTYPE',
                    msg="Checking for endnetgrent prototype",
                    headers='netdb.h netgroup.h',
                    cflags="-Werror-implicit-function-declaration")

    #FIXME: Should just be set when krb5 and ldap requirements are fulfilled
    if Options.options.with_ads:
        conf.DEFINE('WITH_ADS', '1')

    # Look for CUPS
    conf.find_program('cups-config', var='CUPS_CONFIG')
    if conf.env.CUPS_CONFIG and Options.options.with_cups:
        conf.check_cfg(path="cups-config", args="--cflags --ldflags --libs",
                       package="", uselib_store="cups")
        conf.CHECK_HEADERS('cups/cups.h cups/language.h', lib='cups')
        conf.CHECK_LIB('cups')
    else:
        # define an empty subsystem for cups, to allow it to be used as an empty dependency
        conf.SET_TARGET_TYPE('cups', 'EMPTY')

    # Check for LDAP
    if Options.options.with_ldap:
        conf.CHECK_HEADERS('ldap.h lber.h')
        conf.CHECK_TYPE('ber_tag_t', 'unsigned int', headers='ldap.h lber.h')
        conf.CHECK_FUNCS_IN('ber_scanf ber_sockbuf_add_io', 'lber')
        conf.CHECK_VARIABLE('LDAP_OPT_SOCKBUF', headers='ldap.h')
        # if ber_sockbuf_add_io() and LDAP_OPT_SOCKBUF are available, we can add
        # SASL wrapping hooks
        if conf.CONFIG_SET('HAVE_BER_SOCKBUF_ADD_IO') and \
                conf.CONFIG_SET('HAVE_LDAP_OPT_SOCKBUF'):
            conf.DEFINE('HAVE_LDAP_SASL_WRAPPING', '1')

        # if we LBER_OPT_LOG_PRINT_FN we can intercept ldap logging and print it out
        # for the samba logs
        conf.CHECK_VARIABLE('LBER_OPT_LOG_PRINT_FN',
                            define='HAVE_LBER_LOG_PRINT_FN', headers='lber.h')

        conf.CHECK_FUNCS_IN('ldap_init ldap_initialize ldap_set_rebind_proc', 'ldap')
        conf.CHECK_FUNCS_IN('ldap_add_result_entry', 'ldap')

        # Check if ldap_set_rebind_proc() takes three arguments
        if conf.CHECK_CODE('ldap_set_rebind_proc(0, 0, 0)',
                           'LDAP_SET_REBIND_PROC_ARGS',
                           msg="Checking whether ldap_set_rebind_proc takes 3 arguments",
                           headers='ldap.h lber.h', link=False):
            conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '3')
        else:
            conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '2')

        # last but not least, if ldap_init() exists, we want to use ldap
        if conf.CONFIG_SET('HAVE_LDAP_INIT'):
            conf.DEFINE('HAVE_LDAP', '1')
            conf.DEFINE('LDAP_DEPRECATED', '1')
            conf.env['SMBLDAP'] = 'lib/smbldap.c'
            conf.env['SMBLDAPUTIL'] = 'lib/smbldap_util.c'
    else:
        conf.SET_TARGET_TYPE('ldap', 'EMPTY')
        conf.SET_TARGET_TYPE('lber', 'EMPTY')

    # Check for kerberos
    conf.find_program('krb5-config', var='KRB5_CONFIG')
    if conf.env.KRB5_CONFIG and Options.options.with_krb5:
        conf.check_cfg(path="krb5-config", args="--cflags --libs",
                       package="gssapi", uselib_store="krb5")
        conf.CHECK_HEADERS('krb5.h krb5/locate_plugin.h', lib='krb5')
        conf.CHECK_HEADERS('gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h com_err.h', lib='krb5')

        if conf.CONFIG_SET('HAVE_KRB5_LOCATE_PLUGIN_H'):
            conf.env['WINBIND_KRB5_LOCATOR'] = 'bin/winbind_krb5_locator.so'

        conf.CHECK_FUNCS_IN('_et_list', 'com_err')
        conf.CHECK_FUNCS_IN('krb5_encrypt_data', 'k5crypto')
        conf.CHECK_FUNCS_IN('crypto', 'des_set_key')
        conf.CHECK_FUNCS_IN('copy_Authenticator', 'asn1')
        conf.CHECK_FUNCS_IN('roken_getaddrinfo_hostspec', 'roken')
        if conf.CHECK_FUNCS_IN('gss_display_status', 'gssapi gssapi_krb5'):
            conf.DEFINE('HAVE_GSSAPI', '1')
        conf.CHECK_FUNCS_IN('krb5_mk_req_extended krb5_kt_compare', 'krb5')
        conf.CHECK_FUNCS('''
krb5_set_real_time krb5_set_default_in_tkt_etypes krb5_set_default_tgs_enctypes
krb5_set_default_tgs_ktypes krb5_principal2salt krb5_use_enctype
krb5_string_to_key krb5_get_pw_salt krb5_string_to_key_salt krb5_auth_con_setkey
krb5_auth_con_setuseruserkey krb5_locate_kdc krb5_get_permitted_enctypes
krb5_get_default_in_tkt_etypes krb5_free_data_contents
krb5_principal_get_comp_string krb5_free_unparsed_name
krb5_free_keytab_entry_contents krb5_kt_free_entry krb5_krbhst_init
krb5_krbhst_get_addrinfo krb5_c_enctype_compare krb5_enctypes_compatible_keys
krb5_crypto_init krb5_crypto_destroy krb5_decode_ap_req free_AP_REQ
krb5_verify_checksum krb5_c_verify_checksum krb5_principal_compare_any_realm
krb5_parse_name_norealm krb5_princ_size krb5_get_init_creds_opt_set_pac_request
krb5_get_renewed_creds krb5_get_kdc_cred krb5_free_error_contents
initialize_krb5_error_table krb5_get_init_creds_opt_alloc
krb5_get_init_creds_opt_free krb5_get_init_creds_opt_get_error
krb5_enctype_to_string krb5_fwd_tgt_creds krb5_auth_con_set_req_cksumtype
krb5_get_creds_opt_alloc krb5_get_creds_opt_set_impersonate krb5_get_creds
krb5_get_credentials_for_user krb5_get_host_realm krb5_free_host_realm''',
                         lib='krb5')
        conf.CHECK_DECLS('''krb5_get_credentials_for_user
                            krb5_auth_con_set_req_cksumtype''',
                            headers='krb5.h', always=True)
        conf.CHECK_VARIABLE('AP_OPTS_USE_SUBKEY', headers='krb5.h')
        conf.CHECK_VARIABLE('KV5M_KEYTAB', headers='krb5.h')
        conf.CHECK_VARIABLE('KRB5_KU_OTHER_CKSUM', headers='krb5.h')
        conf.CHECK_VARIABLE('KRB5_KEYUSAGE_APP_DATA_CKSUM', headers='krb5.h')
        conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'key', headers='krb5.h',
                                    define='HAVE_KRB5_KEYTAB_ENTRY_KEY')
        conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'keyblock', headers='krb5.h',
                                    define='HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK')
        conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'magic', headers='krb5.h',
                                    define='HAVE_MAGIC_IN_KRB5_ADDRESS')
        conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'addrtype', headers='krb5.h',
                                    define='HAVE_ADDRTYPE_IN_KRB5_ADDRESS')
        conf.CHECK_STRUCTURE_MEMBER('krb5_ticket', 'enc_part2', headers='krb5.h',
                                    define='HAVE_KRB5_TKT_ENC_PART2')
        conf.CHECK_STRUCTURE_MEMBER('krb5_creds', 'keyblock', headers='krb5.h',
                                    define='HAVE_KRB5_KEYBLOCK_IN_CREDS')
        conf.CHECK_STRUCTURE_MEMBER('krb5_creds', 'session', headers='krb5.h',
                                    define='HAVE_KRB5_SESSION_IN_CREDS')
        conf.CHECK_TYPE('krb5_encrypt_block', headers='krb5.h')
        conf.CHECK_CODE('''
krb5_context ctx;
krb5_get_init_creds_opt *opt = NULL;
krb5_get_init_creds_opt_free(ctx, opt);
''',
                        'KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT',
                        headers='krb5.h', link=False,
                        msg="Checking whether krb5_get_init_creds_opt_free takes a context argument")
        conf.CHECK_CODE('krb5_mk_error(0,0,0)',
                        'HAVE_SHORT_KRB5_MK_ERROR_INTERFACE',
                        headers='krb5.h', link=False,
                        msg="Checking whether krb5_mk_error takes 3 arguments MIT or 9 Heimdal")
        conf.CHECK_CODE('''
const krb5_data *pkdata;
krb5_context context;
krb5_principal principal;
pkdata = krb5_princ_component(context, principal, 0);
''',
                        'HAVE_KRB5_PRINC_COMPONENT',
                        headers='krb5.h', lib='krb5',
                        msg="Checking whether krb5_princ_component is available")

        conf.CHECK_CODE('''
int main(void) {
char buf[256];
krb5_enctype_to_string(1, buf, 256);
return 0;
}''',
                        'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG',
                        headers='krb5.h', lib='krb5',
                        addmain=False, cflags='-Werror',
                        msg="Checking whether krb5_enctype_to_string takes size_t argument")

        conf.CHECK_CODE('''
int main(void) {
krb5_context context = NULL;
char *str = NULL;
krb5_enctype_to_string(context, 1, &str);
if (str) free (str);
return 0;
}''',
                        'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG',
                        headers='krb5.h stdlib.h', lib='krb5',
                        addmain=False, cflags='-Werror',
                        msg="Checking whether krb5_enctype_to_string takes krb5_context argument")
        conf.DEFINE('HAVE_KRB5', '1')

    else:
        conf.SET_TARGET_TYPE('krb5', 'EMPTY')
        conf.SET_TARGET_TYPE('gssapi', 'EMPTY')
        conf.SET_TARGET_TYPE('gssapi_krb5', 'EMPTY')
        conf.SET_TARGET_TYPE('com_err', 'EMPTY')
        conf.SET_TARGET_TYPE('k5crypto', 'EMPTY')

    if Options.options.with_utmp:
        conf.CHECK_FUNCS('pututline pututxline updwtmp updwtmpx getutmpx getutxent')
        conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_name', headers='utmp.h',
                                    define='HAVE_UT_UT_NAME')
        conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_user', headers='utmp.h',
                                    define='HAVE_UT_UT_USER')
        conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_id', headers='utmp.h',
                                    define='HAVE_UT_UT_ID')
        conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_host', headers='utmp.h',
                                    define='HAVE_UT_UT_HOST')
        conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_time', headers='utmp.h',
                                    define='HAVE_UT_UT_TIME')
        conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_tv', headers='utmp.h',
                                    define='HAVE_UT_UT_TV')
        conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_type', headers='utmp.h',
                                    define='HAVE_UT_UT_TYPE')
        conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_pid', headers='utmp.h',
                                    define='HAVE_UT_UT_PID')
        conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_exit.e_exit', headers='utmp.h',
                                    define='HAVE_UT_UT_EXIT')
        conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_addr_v6', headers='utmp.h',
                                    define='HAVE_UT_UT_ADDR_V6')
        conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_addr', headers='utmp.h',
                                    define='HAVE_UT_UT_ADDR')
        conf.CHECK_STRUCTURE_MEMBER('struct utmpx', 'ut_syslen', headers='utmpx.h',
                                    define='HAVE_UX_UT_SYSLEN')
        conf.CHECK_CODE('struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);',
                        'PUTUTLINE_RETURNS_UTMP', headers='utmp.h',
                        msg="Checking whether pututline returns pointer")
        conf.DEFINE('WITH_UTMP', 1)

    if Options.options.with_avahi:
        conf.env.with_avahi = True
        if not conf.CHECK_HEADERS('avahi-common/watch.h avahi-client/client.h'): conf.env.with_avahi = False
        if not conf.CHECK_FUNCS_IN('avahi_client_new', 'avahi-client'): conf.env.with_avahi = False
        if not conf.CHECK_FUNCS_IN('avahi_strerror', 'avahi-common'): conf.env.with_avahi = False
        if conf.env.with_avahi:
            conf.DEFINE('WITH_AVAHI_SUPPORT', 1)
    else:
        conf.SET_TARGET_TYPE('avahi-common', 'EMPTY')
        conf.SET_TARGET_TYPE('avahi-client', 'EMPTY')

    if Options.options.with_iconv:
        conf.env.with_iconv = True
        if not conf.CHECK_FUNCS_IN('iconv_open', 'iconv', headers='iconv.h'):
            conf.env.with_iconv = False
        if conf.env.with_iconv:
            conf.DEFINE('HAVE_ICONV', 1)

    seteuid = False
    if not seteuid:
        seteuid = conf.CHECK_CODE('''
				#define AUTOCONF_TEST 1
				#define USE_SETREUID 1
				#include "./lib/util_sec.c"
				''',
				'USE_SETREUID',
				addmain=False,
				execute=True,
				msg="Checking whether setreuid is available")
    if not seteuid:
        seteuid = conf.CHECK_CODE('''
				#define AUTOCONF_TEST 1
				#define USE_SETRESUID 1
				#include "./lib/util_sec.c"
				''',
				'USE_SETRESUID',
				addmain=False,
				execute=True,
				msg="Checking whether setresuid is available")
    if not seteuid:
        seteuid = conf.CHECK_CODE('''
				#define AUTOCONF_TEST 1
				#define USE_SETEUID 1
				#include "./lib/util_sec.c"
				''',
				'USE_SETEUID',
				addmain=False,
				execute=True,
				msg="Checking whether seteuid is available")
    if not seteuid:
        seteuid = conf.CHECK_CODE('''
				#define AUTOCONF_TEST 1
				#define USE_SETUIDX 1
				#include "./lib/util_sec.c"
				''',
				'USE_SETUIDX',
				addmain=False,
				execute=True,
				mandatory=True,
				msg="Checking whether setuidx is available")


    # FIXME: these should be tests for features, but the old build system just
    # checks for OSes.
    import sys
    host_os = sys.platform

    # Python doesn't have case switches... :/
    # FIXME: original was *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu | *qnx*)
    # the search for .rfind('gnu') covers gnu* and *-gnu is that too broad?
    if (host_os.rfind('linux') > -1) or (host_os.rfind('gnu') > -1) or (host_os.rfind('qnx') > -1):
        if host_os.rfind('linux') > -1:
            conf.DEFINE('LINUX', '1')
        elif host_os.rfind('qnx') > -1:
            conf.DEFINE('QNX', '1')
        conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
    elif (host_os.rfind('darwin') > -1):
        conf.DEFINE('DARWINOS', 1)
        conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
        conf.ADD_CFLAGS('-fno-common')
    # FIXME: Add more checks here.
    else:
        print "Unknown host_os '%s', please report this to samba-technical@samba.org" % host_os

    conf.SAMBA_CONFIG_H('include/config.h')

def ctags(ctx):
    "build 'tags' file using ctags"
    import Utils
    source_root = os.path.dirname(Utils.g_module.root_path)
    cmd = 'ctags $(find %s/.. -name "*.[ch]" | grep -v "*_proto\.h")' % source_root
    print("Running: %s" % cmd)
    os.system(cmd)