build: check linux/fs.h for compression flags
[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('ads', default=None) # None means autodetection
27     opt.SAMBA3_ADD_OPTION('ldap')
28     opt.SAMBA3_ADD_OPTION('cups', with_name="enable", without_name="disable")
29     opt.SAMBA3_ADD_OPTION('iprint', with_name="enable", without_name="disable")
30     opt.SAMBA3_ADD_OPTION('pam')
31     opt.SAMBA3_ADD_OPTION('pam_smbpass')
32     opt.SAMBA3_ADD_OPTION('quotas')
33     opt.SAMBA3_ADD_OPTION('sendfile-support')
34     opt.SAMBA3_ADD_OPTION('utmp')
35     opt.SAMBA3_ADD_OPTION('pthreadpool', with_name="enable", without_name="disable", default=True)
36     opt.SAMBA3_ADD_OPTION('avahi', with_name="enable", without_name="disable")
37     opt.SAMBA3_ADD_OPTION('iconv')
38     opt.SAMBA3_ADD_OPTION('acl-support')
39     opt.SAMBA3_ADD_OPTION('dnsupdate')
40     opt.SAMBA3_ADD_OPTION('syslog')
41     opt.SAMBA3_ADD_OPTION('automount')
42     opt.SAMBA3_ADD_OPTION('aio-support')
43     opt.SAMBA3_ADD_OPTION('dmapi', default=None) # None means autodetection
44     opt.SAMBA3_ADD_OPTION('fam', default=None) # None means autodetection
45     opt.SAMBA3_ADD_OPTION('profiling-data', default=False)
46
47     opt.SAMBA3_ADD_OPTION('cluster-support', default=None)
48
49     opt.SAMBA3_ADD_OPTION('regedit', default=None)
50
51     opt.add_option('--with-ctdb-dir',
52                    help=("Directory under which ctdb is installed"),
53                    action="store", dest='ctdb_dir', default=None)
54     opt.add_option('--enable-old-ctdb',
55                   help=("enable building against (too) old version of ctdb (default=false)"),
56                   action="store_true", dest='enable_old_ctdb', default=False)
57
58     opt.add_option('--with-libcephfs',
59                    help=("Directory under which libcephfs is installed"),
60                    action="store", dest='libcephfs_dir', default=None)
61
62     opt.SAMBA3_ADD_OPTION('glusterfs', with_name="enable", without_name="disable", default=True)
63
64
65 def configure(conf):
66     from samba_utils import TO_LIST
67
68     default_static_modules = []
69     default_shared_modules = []
70
71     if Options.options.developer:
72         conf.ADD_CFLAGS('-DDEVELOPER -DDEBUG_PASSWORD')
73         conf.env.developer = True
74
75     if sys.platform != 'openbsd5':
76         conf.ADD_LDFLAGS("-Wl,--export-dynamic", testflags=True)
77
78     conf.CHECK_HEADERS('execinfo.h libexc.h libunwind.h netdb.h')
79     conf.CHECK_HEADERS('linux/falloc.h')
80
81     conf.CHECK_FUNCS('getcwd fchown chmod fchmod mknod')
82     conf.CHECK_FUNCS('strtol strchr strupr chflags')
83     conf.CHECK_FUNCS('getrlimit fsync fdatasync setpgid')
84     conf.CHECK_FUNCS('setsid glob strpbrk crypt16 getauthuid')
85     conf.CHECK_FUNCS('sigprocmask sigblock sigaction sigset innetgr')
86     conf.CHECK_FUNCS('initgroups select poll rdchk getgrnam getgrent pathconf')
87     conf.CHECK_FUNCS('setpriv setgidx setuidx setgroups syscall sysconf')
88     conf.CHECK_FUNCS('atexit grantpt posix_openpt fallocate posix_fallocate')
89     conf.CHECK_FUNCS('fseeko setluid')
90     conf.CHECK_FUNCS('getpwnam', headers='sys/types.h pwd.h')
91     conf.CHECK_FUNCS('fdopendir')
92     conf.CHECK_FUNCS('fstatat')
93     conf.CHECK_FUNCS('getpwent_r setenv strcasecmp fcvt fcvtl')
94     conf.CHECK_FUNCS('syslog vsyslog timegm setlocale')
95     conf.CHECK_FUNCS_IN('nanosleep', 'rt')
96     conf.CHECK_FUNCS('lutimes futimes utimensat futimens')
97     conf.CHECK_FUNCS('mlock munlock mlockall munlockall')
98     conf.CHECK_FUNCS('memalign posix_memalign hstrerror')
99     conf.CHECK_FUNCS('shmget')
100     conf.CHECK_FUNCS_IN('shm_open', 'rt', checklibc=True)
101     #FIXME: for some reason this one still fails
102     conf.CHECK_FUNCS_IN('yp_get_default_domain', 'nsl')
103     conf.CHECK_FUNCS_IN('dn_expand _dn_expand __dn_expand', 'resolv')
104     conf.CHECK_FUNCS_IN('dn_expand', 'inet')
105     conf.CHECK_DECLS('fdatasync', reverse=True)
106     conf.CHECK_DECLS('readahead', reverse=True, headers='fcntl.h')
107
108     if conf.CONFIG_SET('HAVE_LONG_LONG'):
109         conf.DEFINE('HAVE_LONGLONG', 1)
110
111     if conf.CHECK_CODE('''
112 #if defined(HAVE_UNISTD_H)
113 #include <unistd.h>
114 #endif
115 long ret = splice(0,0,1,0,400,SPLICE_F_MOVE);
116 ''',
117         'HAVE_LINUX_SPLICE',
118         headers='fcntl.h'):
119         conf.CHECK_DECLS('splice', reverse=True, headers='fcntl.h')
120
121     # Check for inotify support
122     conf.CHECK_HEADERS('sys/inotify.h')
123     if "HAVE_SYS_INOTIFY_H" in conf.env:
124         conf.DEFINE('HAVE_INOTIFY', 1)
125
126     # Check for kernel change notify support
127     conf.CHECK_CODE('''
128 #ifndef F_NOTIFY
129 #define F_NOTIFY 1026
130 #endif
131 main() {
132         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
133 }''', 'HAVE_KERNEL_CHANGE_NOTIFY', addmain=False, execute=True,
134         headers='fcntl.h signal.h',
135         msg="Checking for kernel change notify support")
136
137     # Check for Linux kernel oplocks
138     conf.CHECK_CODE('''
139 #include <sys/types.h>
140 #include <fcntl.h>
141 #include <signal.h>
142 #ifndef F_NOTIFY
143 #define F_NOTIFY 1026
144 #endif
145 main() {
146         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
147 }''', 'HAVE_KERNEL_OPLOCKS_LINUX', addmain=False, execute=True,
148         msg="Checking for Linux kernel oplocks")
149
150     # Check for IRIX kernel oplock types
151     conf.CHECK_CODE('oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;',
152                     'HAVE_KERNEL_OPLOCKS_IRIX', headers='fcntl.h',
153                     msg="Checking for IRIX kernel oplock types")
154
155     # Check for kernel share modes
156     conf.CHECK_CODE('''
157 #include <sys/types.h>
158 #include <fcntl.h>
159 #include <signal.h>
160 #include <sys/file.h>
161 #ifndef LOCK_MAND
162 #define LOCK_MAND        32
163 #define LOCK_READ        64
164 #endif
165 main() {
166         exit(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
167 }''', 'HAVE_KERNEL_SHARE_MODES', addmain=False, execute=True,
168         msg="Checking for kernel share modes")
169
170     # check for fam libs
171     samba_fam_libs=None
172     check_for_fam=False
173     if Options.options.with_fam is None:
174         check_for_fam=True
175     elif Options.options.with_fam == True:
176         check_for_fam=True
177
178     if check_for_fam and conf.CHECK_HEADERS('fam.h'):
179         if conf.CHECK_FUNCS_IN('FAMOpen2', 'fam'):
180             samba_fam_libs='fam'
181         elif conf.CHECK_FUNCS_IN('FAMOpen2', 'fam C'):
182             samba_fam_libs='fam C'
183         conf.CHECK_TYPE('enum FAMCodes', headers='fam.h',
184             define='HAVE_FAM_H_FAMCODES_TYPEDEF',
185             msg='Checking whether enum FAMCodes is available')
186         conf.CHECK_FUNCS_IN('FAMNoExists', 'fam')
187
188     if samba_fam_libs is not None:
189         conf.DEFINE('SAMBA_FAM_LIBS', samba_fam_libs)
190     else:
191         if Options.options.with_fam == True:
192             conf.fatal('FAM support requested, but no suitable FAM library found')
193         elif check_for_fam:
194             Logs.warn('no suitable FAM library found')
195
196     # check for DMAPI libs
197     Logs.info("Checking for DMAPI library existence")
198     conf.env['dmapi_lib'] = ''
199     samba_dmapi_lib = ''
200     if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'dm'):
201         samba_dmapi_lib = 'dm'
202     else:
203         if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'jfsdm'):
204             samba_dmapi_lib = 'jfsdm'
205         else:
206             if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'dmapi'):
207                 samba_dmapi_lib = 'dmapi'
208             else:
209                 if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'xdsm'):
210                     samba_dmapi_lib = 'xdsm'
211     # only bother to test headers and compilation when a candidate
212     # library has been found
213     if Options.options.with_dmapi == True and samba_dmapi_lib == '':
214         conf.fatal('DMAPI support requested, but no suitable DMAPI library found')
215     else:
216         conf.CHECK_HEADERS('sys/dmi.h xfs/dmapi.h sys/jfsdmapi.h sys/dmapi.h dmapi.h')
217         conf.CHECK_CODE('''
218 #include <time.h>      /* needed by Tru64 */
219 #include <sys/types.h> /* needed by AIX */
220 #ifdef HAVE_XFS_DMAPI_H
221 #include <xfs/dmapi.h>
222 #elif defined(HAVE_SYS_DMI_H)
223 #include <sys/dmi.h>
224 #elif defined(HAVE_SYS_JFSDMAPI_H)
225 #include <sys/jfsdmapi.h>
226 #elif defined(HAVE_SYS_DMAPI_H)
227 #include <sys/dmapi.h>
228 #elif defined(HAVE_DMAPI_H)
229 #include <dmapi.h>
230 #endif
231
232 /* This link test is designed to fail on IRI 6.4, but should
233  * succeed on Linux, IRIX 6.5 and AIX.
234  */
235 int main(int argc, char **argv)
236 {
237         char * version;
238         dm_eventset_t events;
239         /* This doesn't take an argument on IRIX 6.4. */
240         dm_init_service(&version);
241         /* IRIX 6.4 expects events to be a pointer. */
242         DMEV_ISSET(DM_EVENT_READ, events);
243
244         return 0;
245 }
246 ''',
247         'USE_DMAPI',
248         addmain=False,
249         execute=False,
250         lib=samba_dmapi_lib,
251         msg='Checking whether DMAPI lib '+samba_dmapi_lib+' can be used')
252
253         if conf.CONFIG_SET('USE_DMAPI'):
254             conf.env['dmapi_lib'] = samba_dmapi_lib
255         else:
256             if Options.options.with_dmapi == True:
257                 conf.fatal('DMAPI support requested but not found');
258
259     # Check for various members of the stat structure
260     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blocks', define='HAVE_STAT_ST_BLOCKS',
261                                 headers='sys/stat.h')
262     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blksize', define='HAVE_STAT_ST_BLKSIZE',
263                                 headers='sys/stat.h')
264     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_flags', define='HAVE_STAT_ST_FLAGS',
265                                 headers='sys/types.h sys/stat.h unistd.h')
266
267     if "HAVE_BLKCNT_T" in conf.env:
268         conf.CHECK_CODE('''
269         return sizeof(blkcnt_t) == 4 ? 0 : 1''',
270                 'SIZEOF_BLKCNT_T_4', execute=True,
271                 headers='replace.h sys/types.h sys/stat.h unistd.h',
272                 msg="Checking whether blkcnt_t is 32 bit")
273
274     if "HAVE_BLKCNT_T" in conf.env:
275         conf.CHECK_CODE('''
276         return sizeof(blkcnt_t) == 8 ? 0 : 1''',
277                 'SIZEOF_BLKCNT_T_8', execute=True,
278                 headers='replace.h sys/types.h sys/stat.h unistd.h',
279                 msg="Checking whether blkcnt_t is 64 bit")
280
281     # Check for POSIX capability support
282     conf.CHECK_FUNCS_IN('cap_get_proc', 'cap', headers='sys/capability.h')
283
284     if "HAVE_SYS_CAPABILITY_H" in conf.env:
285         conf.CHECK_CODE('''
286         cap_t cap;
287         cap_value_t vals[1];
288         if (!(cap = cap_get_proc())) exit(1);
289         vals[0] = CAP_CHOWN;
290         cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
291         cap_set_proc(cap);''',
292                         'HAVE_POSIX_CAPABILITIES', execute=True, lib="cap",
293                         headers='sys/capability.h',
294                         msg="Checking whether POSIX capabilities are available")
295
296     # Check for int16, uint16, int32 and uint32 in rpc/types.h included from
297     # rpc/rpc.h. This is *really* broken but some systems (DEC OSF1) do this.
298     # -- JRA.
299     if conf.CONFIG_SET("HAVE_RPC_RPC_H"):
300         conf.CHECK_TYPE('int16', headers='rpc/rpc.h',
301                         define='HAVE_INT16_FROM_RPC_RPC_H',
302                         msg="Checking for int16 typedef included by rpc/rpc.h")
303         conf.CHECK_CODE('uint16 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
304                         headers='sys/types.h rpc/rpc.h',
305                         msg="Checking for uint16 typedef included by rpc/rpc.h")
306         conf.CHECK_CODE('int32 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
307                         headers='sys/types.h rpc/rpc.h',
308                         msg="Checking for int32 typedef included by rpc/rpc.h")
309         conf.CHECK_CODE('uint32 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
310                         headers='sys/types.h rpc/rpc.h',
311                         msg="Checking for uint32 typedef included by rpc/rpc.h")
312     conf.CHECK_CODE('int i;', 'BROKEN_NISPLUS_INCLUDE_FILES',
313                     headers='sys/types.h sys/acl.h rpcsvc/nis.h',
314                     msg="Checking for broken nisplus include files")
315
316     # Check if the compiler will optimize out functions
317     conf.CHECK_CODE('''
318 if (0) {
319     this_function_does_not_exist();
320 } else {
321     return 1;
322 }''', 'HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS',
323         msg="Checking if the compiler will optimize out functions")
324
325     # Check if the compiler supports the LL suffix on long long integers
326     # AIX needs this
327     conf.CHECK_CODE('long long i = 0x8000000000LL', 'COMPILER_SUPPORTS_LL',
328                     headers='stdio.h',
329                     msg="Checking for LL suffix on long long integers")
330
331     conf.CHECK_FUNCS('''
332 _acl __acl atexit 
333  _chdir __chdir chflags chmod _close __close _closedir
334 __closedir crypt16 devnm dirfd
335 DNSServiceRegister _dup __dup _dup2 __dup2 endmntent execl
336 _facl __facl _fchdir
337 __fchdir fchmod fchown _fcntl __fcntl fcvt fcvtl fdatasync
338 _fork __fork fseeko
339 fsetxattr _fstat __fstat fsync
340 futimens futimes __fxstat getauthuid
341 getcwd _getcwd __getcwd getdents __getdents getdirentries
342 getgrent getgrnam getgrouplist getgrset getmntent getpagesize
343 getpwanam getpwent_r getrlimit
344 glob grantpt hstrerror initgroups innetgr
345 llseek _llseek __llseek _lseek __lseek
346 _lstat __lstat lutimes
347 __lxstat memalign mknod mlock mlockall munlock munlockall
348 _open __open _opendir __opendir
349 pathconf poll posix_fallocate
350 posix_memalign pread _pread __pread
351 pwrite _pwrite __pwrite
352 rdchk _read __read _readdir __readdir
353 _seekdir __seekdir
354 select setenv setgidx setgroups setlocale setluid
355 setmntent setpgid setpriv setsid setuidx
356 shmget shm_open sigaction sigblock sigprocmask sigset
357 _stat __stat statvfs
358 strcasecmp strchr strpbrk strsignal strtol strupr sysconf sysctl sysctlbyname
359 __sys_llseek syslog _telldir __telldir timegm
360 utimensat vsyslog _write __write __xstat
361 ''')
362
363     conf.CHECK_SAMBA3_CHARSET() # see build/charset.py
364
365     # FIXME: these should be tests for features, but the old build system just
366     # checks for OSes.
367     host_os = sys.platform
368     Logs.info("building on %s" % host_os)
369
370     # Python doesn't have case switches... :/
371     # FIXME: original was *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu | *qnx*)
372     # the search for .rfind('gnu') covers gnu* and *-gnu is that too broad?
373
374     conf.SET_TARGET_TYPE('sunacl', 'EMPTY')
375     if (host_os.rfind('linux') > -1) or (host_os.rfind('gnu') > -1) or (host_os.rfind('qnx') > -1):
376         if host_os.rfind('linux') > -1:
377             conf.DEFINE('LINUX', '1')
378         elif host_os.rfind('qnx') > -1:
379             conf.DEFINE('QNX', '1')
380         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
381     elif (host_os.rfind('darwin') > -1):
382         conf.DEFINE('DARWINOS', 1)
383         conf.ADD_CFLAGS('-fno-common')
384         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
385     elif (host_os.rfind('freebsd') > -1):
386         conf.DEFINE('FREEBSD', 1)
387         if conf.CHECK_HEADERS('sunacl.h'):
388             conf.DEFINE('HAVE_FREEBSD_SUNACL_H', '1')
389             conf.CHECK_FUNCS_IN('acl', 'sunacl')
390         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
391     elif (host_os.rfind('irix') > -1):
392         conf.DEFINE('IRIX', 1)
393         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
394     elif (host_os.rfind('aix') > -1):
395         conf.DEFINE('AIX', 1)
396         conf.DEFINE('STAT_ST_BLOCKSIZE', 'DEV_BSIZE')
397     elif (host_os.rfind('hpux') > -1):
398         conf.DEFINE('HPUX', 1)
399         conf.DEFINE('STAT_ST_BLOCKSIZE', '8192')
400     elif (host_os.rfind('osf') > -1):
401         conf.DEFINE('OSF1', 1)
402         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
403
404     # FIXME: Add more checks here.
405     else:
406         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
407
408     if Options.options.with_acl_support:
409         if (host_os.rfind('sysv5') > -1) and conf.CHECK_FUNCS_IN('sec', 'facl', checklibc=True):
410                 Logs.info('Using UnixWare ACLs')
411                 conf.DEFINE('HAVE_UNIXWARE_ACLS',1)
412                 default_static_modules.extend(TO_LIST('vfs_solarisacl'))
413         elif (host_os.rfind('solaris') > -1) and conf.CHECK_FUNCS_IN('sec', 'facl'):
414                 Logs.info('Using solaris ACLs')
415                 conf.DEFINE('HAVE_SOLARIS_ACLS',1)
416                 default_static_modules.extend(TO_LIST('vfs_solarisacl'))
417         elif (host_os.rfind('hpux') > -1):
418                 Logs.info('Using HPUX ACLs')
419                 conf.DEFINE('HAVE_HPUX_ACLS',1)
420                 conf.DEFINE('POSIX_ACL_NEEDS_MASK',1)
421                 default_static_modules.extend(TO_LIST('vfs_hpuxacl'))
422         elif (host_os.rfind('aix') > -1):
423                 Logs.info('Using AIX ACLs')
424                 conf.DEFINE('HAVE_AIX_ACLS',1)
425                 default_static_modules.extend(TO_LIST('vfs_aixacl vfs_aixacl2'))
426         elif (host_os.rfind('osf') > -1) and conf.CHECK_FUNCS_IN('pacl', 'acl_get_fd'):
427                 Logs.info('Using Tru64 ACLs')
428                 conf.DEFINE('HAVE_TRU64_ACLS',1)
429                 default_static_modules.extend(TO_LIST('vfs_tru64acl'))
430         elif (host_os.rfind('darwin') > -1):
431             Logs.warn('ACLs on Dwarwin currently not supported')
432         else:
433             conf.CHECK_FUNCS_IN('acl_get_file', 'acl')
434             if conf.CHECK_CODE('''
435 acl_t acl;
436 int entry_id;
437 acl_entry_t *entry_p;
438 return acl_get_entry(acl, entry_id, entry_p);
439 ''',
440                         'HAVE_POSIX_ACLS',
441                         headers='sys/types.h sys/acl.h', link=False,
442                         msg="Checking for POSIX ACL support") :
443                 conf.CHECK_CODE('''
444 acl_permset_t permset_d;
445 acl_perm_t perm;
446 return acl_get_perm_np(permset_d, perm);
447 ''',
448                         'HAVE_ACL_GET_PERM_NP',
449                         headers='sys/types.h sys/acl.h', link=True,
450                         msg="Checking whether acl_get_perm_np() is available")
451                 default_static_modules.extend(TO_LIST('vfs_posixacl'))
452
453
454     if conf.CHECK_FUNCS('dirfd'):
455         conf.DEFINE('HAVE_DIRFD_DECL', 1)
456
457     conf.CHECK_CODE('struct statfs fsd; fsid_t fsid = fsd.f_fsid; return statfs(".", &fsd);',
458                     'HAVE_STATFS_F_FSID',
459                     msg="vfs_fileid: checking for statfs() and struct statfs.f_fsid",
460                     headers='sys/types.h sys/statfs.h',
461                     execute=True)
462
463     if conf.CONFIG_SET('HAVE_FALLOCATE'):
464         conf.CHECK_CODE('''
465                 int ret = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 10);''',
466                 'HAVE_LINUX_FALLOCATE',
467                 msg="Checking whether the Linux 'fallocate' function is available",
468                 headers='unistd.h sys/types.h fcntl.h linux/falloc.h')
469     conf.CHECK_CODE('''
470                 ssize_t err = readahead(0,0,0x80000);''',
471                 'HAVE_LINUX_READAHEAD',
472                 msg="Checking whether Linux readahead is available",
473                 headers='unistd.h fcntl.h')
474     conf.CHECK_DECLS('readahead', headers='fcntl.h', always=True)
475
476     conf.CHECK_CODE('int fd = openat(AT_FDCWD, ".", O_RDONLY);',
477                 'HAVE_OPENAT',
478                 msg='Checking for openat',
479                 headers='fcntl.h')
480
481     if Options.options.with_aio_support:
482         conf.CHECK_FUNCS_IN('aio_read', 'aio')
483         conf.CHECK_FUNCS_IN('aio_read', 'rt')
484         conf.CHECK_CODE('struct aiocb a; return aio_read(&a);',
485                         'HAVE_AIO',
486                         msg='Checking for asynchronous io support',
487                         headers='sys/types.h aio.h',
488                         lib='aio rt')
489         if conf.CONFIG_SET('HAVE_AIO'):
490             conf.CHECK_CODE('struct aiocb a; return aio_read(&a);', 'HAVE_AIO_READ', msg='Checking for aio_read', headers='aio.h', lib='aio rt')
491             conf.CHECK_CODE('struct aiocb a; return aio_write(&a);', 'HAVE_AIO_WRITE', msg='Checking for aio_write', headers='aio.h', lib='aio rt')
492             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')
493             conf.CHECK_CODE('struct aiocb a; return aio_return(&a);', 'HAVE_AIO_RETURN', msg='Checking for aio_return', headers='aio.h', lib='aio rt')
494             conf.CHECK_CODE('struct aiocb a; return aio_error(&a);', 'HAVE_AIO_ERROR', msg='Checking for aio_error', headers='aio.h', lib='aio rt')
495             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')
496             conf.CHECK_CODE('const struct aiocb * const a[1]; struct timespec t; return aio_suspend(&a, 1, &t);', 'HAVE_AIO_SUSPEND', msg='Checking for aio_suspend', headers='aio.h', lib='aio rt')
497         if not conf.CONFIG_SET('HAVE_AIO'):
498             conf.DEFINE('HAVE_NO_AIO', '1')
499     else:
500         conf.DEFINE('HAVE_NO_AIO', '1')
501
502     if host_os.rfind('linux') > -1:
503         conf.CHECK_FUNCS_IN('io_submit', 'aio')
504         conf.CHECK_CODE('''
505 struct io_event ioev;
506 struct iocb *ioc;
507 io_context_t ctx;
508 struct timespec ts;
509 int fd;
510 char *buf;
511 fd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
512 io_queue_init(128,&ctx);
513 io_prep_pwrite(ioc, 1, buf, 1, 0);
514 io_prep_pread(ioc, 1, buf, 1, 0);
515 io_set_eventfd(ioc, fd);
516 io_set_callback(ioc, (io_callback_t)(0));
517 io_submit(ctx, 1, &ioc);
518 io_getevents(ctx, 1, 1, &ioev, &ts);
519 ''',
520                         'HAVE_LINUX_KERNEL_AIO',
521                         msg='Checking for linux kernel asynchronous io support',
522                         headers='unistd.h stdlib.h sys/types.h fcntl.h sys/eventfd.h libaio.h',
523                         lib='aio')
524
525     conf.CHECK_CODE('''
526 struct msghdr msg;
527 union {
528         struct cmsghdr cm;
529         char control[CMSG_SPACE(sizeof(int))];
530 } control_un;
531 msg.msg_control = control_un.control;
532 msg.msg_controllen = sizeof(control_un.control);
533 ''',
534         'HAVE_MSGHDR_MSG_CONTROL',
535         msg='Checking if we can use msg_control for passing file descriptors',
536         headers='sys/types.h stdlib.h stddef.h sys/socket.h sys/un.h')
537     conf.CHECK_CODE('''
538 struct msghdr msg;
539 int fd;
540 msg.msg_acctrights = (caddr_t) &fd;
541 msg.msg_acctrightslen = sizeof(fd);
542 ''',
543         'HAVE_MSGHDR_MSG_ACCTRIGHTS',
544         msg='Checking if we can use msg_acctrights for passing file descriptors',
545         headers='sys/types.h stdlib.h stddef.h sys/socket.h sys/un.h')
546
547     if Options.options.with_winbind:
548         conf.env.build_winbind = True
549         conf.DEFINE('WITH_WINBIND', '1')
550
551     conf.find_program('awk', var='AWK')
552     conf.find_program('perl', var='PERL')
553
554     conf.CHECK_HEADERS('asm/types.h')
555
556     conf.CHECK_CODE('dev_t dev; int i = major(dev); return 0', "HAVE_DEVICE_MAJOR_FN",
557                     headers='unistd.h sys/types.h',
558                     msg="Checking for major macro")
559
560     conf.CHECK_CODE('dev_t dev; int i = minor(dev); return 0', "HAVE_DEVICE_MINOR_FN",
561                     headers='unistd.h sys/types.h',
562                     msg="Checking for minor macro")
563
564     conf.CHECK_STRUCTURE_MEMBER('struct dirent', 'd_off',
565                                 headers='unistd.h sys/types.h dirent.h',
566                                 define='HAVE_DIRENT_D_OFF')
567
568     conf.CHECK_FUNCS('setnetgrent getnetgrent endnetgrent')
569     if conf.CHECK_CFLAGS('-Werror-implicit-function-declaration'):
570         netgrent_cflags = '-Werror-implicit-function-declaration'
571     else:
572         netgrent_cflags = ''
573     conf.CHECK_CODE('setnetgrent("foo")', 'HAVE_SETNETGRENT_PROTOTYPE',
574                     msg="Checking for setnetgrent prototype",
575                     headers='netdb.h netgroup.h',
576                     cflags=netgrent_cflags)
577     conf.CHECK_CODE('getnetgrent', 'HAVE_GETNETGRENT_PROTOTYPE',
578                     msg="Checking for getnetgrent prototype",
579                     headers='netdb.h netgroup.h',
580                     cflags=netgrent_cflags)
581     conf.CHECK_CODE('endnetgrent', 'HAVE_ENDNETGRENT_PROTOTYPE',
582                     msg="Checking for endnetgrent prototype",
583                     headers='netdb.h netgroup.h',
584                     cflags=netgrent_cflags)
585
586
587     # Look for CUPS
588     if Options.options.with_cups:
589         conf.find_program('cups-config', var='CUPS_CONFIG')
590         if conf.env.CUPS_CONFIG:
591             # we would normally use --libs here, but cups-config incorrectly adds
592             # gssapi_krb5 and other libraries to its --libs output. That breaks the use
593             # of an in-tree heimdal kerberos
594             conf.check_cfg(path=conf.env.CUPS_CONFIG, args="--cflags --ldflags",
595                            package="", uselib_store="CUPS")
596         conf.CHECK_HEADERS('cups/cups.h cups/language.h', lib='cups')
597         conf.CHECK_FUNCS_IN('httpConnect httpConnectEncrypt', 'cups')
598         if conf.CONFIG_SET('HAVE_CUPS_CUPS_H') and conf.CONFIG_SET('HAVE_CUPS_LANGUAGE_H'):
599             conf.DEFINE('HAVE_CUPS', '1')
600         else:
601             conf.undefine('HAVE_CUPS')
602             conf.SET_TARGET_TYPE('cups', 'EMPTY')
603     else:
604         # define an empty subsystem for cups, to allow it to be used as an empty dependency
605         conf.SET_TARGET_TYPE('cups', 'EMPTY')
606
607     if Options.options.with_iprint:
608         if conf.CONFIG_SET('HAVE_CUPS'):
609             conf.DEFINE('HAVE_IPRINT', '1')
610         else:
611             Logs.warn("--enable-iprint=yes but cups support not sufficient")
612     if Options.options.with_syslog:
613         conf.DEFINE('WITH_SYSLOG', '1')
614     if Options.options.with_automount:
615         conf.DEFINE('WITH_AUTOMOUNT', '1')
616
617     # Check for LDAP
618     if Options.options.with_ldap:
619         conf.CHECK_HEADERS('ldap.h lber.h ldap_pvt.h')
620         conf.CHECK_TYPE('ber_tag_t', 'unsigned int', headers='ldap.h lber.h')
621         conf.CHECK_FUNCS_IN('ber_scanf ber_sockbuf_add_io', 'lber')
622         conf.CHECK_VARIABLE('LDAP_OPT_SOCKBUF', headers='ldap.h')
623
624         # if we LBER_OPT_LOG_PRINT_FN we can intercept ldap logging and print it out
625         # for the samba logs
626         conf.CHECK_VARIABLE('LBER_OPT_LOG_PRINT_FN',
627                             define='HAVE_LBER_LOG_PRINT_FN', headers='lber.h')
628
629         conf.CHECK_FUNCS_IN('ldap_init ldap_init_fd ldap_initialize ldap_set_rebind_proc', 'ldap')
630         conf.CHECK_FUNCS_IN('ldap_add_result_entry', 'ldap')
631
632         # Check if ldap_set_rebind_proc() takes three arguments
633         if conf.CHECK_CODE('ldap_set_rebind_proc(0, 0, 0)',
634                            'LDAP_SET_REBIND_PROC_ARGS',
635                            msg="Checking whether ldap_set_rebind_proc takes 3 arguments",
636                            headers='ldap.h lber.h', link=False):
637             conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '3')
638         else:
639             conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '2')
640
641         # last but not least, if ldap_init() exists, we want to use ldap
642         if conf.CONFIG_SET('HAVE_LDAP_INIT') and conf.CONFIG_SET('HAVE_LDAP_H'):
643             conf.DEFINE('HAVE_LDAP', '1')
644             conf.DEFINE('LDAP_DEPRECATED', '1')
645             conf.env['HAVE_LDAP'] = '1'
646             # if ber_sockbuf_add_io() and LDAP_OPT_SOCKBUF are available, we can add
647             # SASL wrapping hooks
648             if conf.CONFIG_SET('HAVE_BER_SOCKBUF_ADD_IO') and \
649                     conf.CONFIG_SET('HAVE_LDAP_OPT_SOCKBUF'):
650                 conf.DEFINE('HAVE_LDAP_SASL_WRAPPING', '1')
651     else:
652         conf.SET_TARGET_TYPE('ldap', 'EMPTY')
653         conf.SET_TARGET_TYPE('lber', 'EMPTY')
654
655     if Options.options.with_ads == False:
656         use_ads = False
657         use_ads_krb5 = False
658         use_ads_ldap = False
659     else:
660         use_ads = True
661         use_ads_krb5 = True
662         use_ads_ldap = True
663         if not conf.CONFIG_SET('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5') and \
664            not conf.CONFIG_SET('HAVE_ENCTYPE_ARCFOUR_HMAC'):
665             Logs.warn("arcfour-hmac-md5 encryption type not found in -lkrb5")
666             use_ads_krb5 = False
667         if not conf.CONFIG_SET('HAVE_KRB5_MK_REQ_EXTENDED'):
668             Logs.warn("krb5_mk_req_extended not found in -lkrb5")
669             use_ads_krb5 = False
670         if not conf.CONFIG_SET('HAVE_KRB5_GET_HOST_REALM'):
671             Logs.warn("krb5_get_host_realm not found in -lkrb5")
672             use_ads_krb5 = False
673         if not conf.CONFIG_SET('HAVE_KRB5_FREE_HOST_REALM'):
674             Logs.warn("krb5_free_host_realm not found in -lkrb5")
675             use_ads_krb5 = False
676         if not conf.CONFIG_SET('HAVE_KRB5_FWD_TGT_CREDS'):
677             Logs.warn("krb5_fwd_tgt_creds found in -lkrb5")
678             use_ads_krb5 = False
679         if not conf.CONFIG_SET('HAVE_KRB5_GET_INIT_CREDS_OPT_ALLOC'):
680             Logs.warn("krb5_get_init_creds_opt_alloc not found in -lkrb5")
681             use_ads_krb5 = False
682         if not conf.CONFIG_SET('KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT'):
683             Logs.warn("krb5_get_init_creds_opt_free was not found or was too old in -lkrb5")
684             use_ads_krb5 = False
685         if not conf.CONFIG_SET('HAVE_KRB5_GET_RENEWED_CREDS'):
686             Logs.warn("krb5_get_renewed_creds not found in -lkrb5")
687             use_ads_krb5 = False
688         if not conf.CONFIG_SET('HAVE_KRB5_PRINCIPAL_COMPARE_ANY_REALM'):
689             Logs.warn("krb5_principal_compare_any_realm not found in -lkrb5")
690             use_ads_krb5 = False
691         if not conf.CONFIG_SET('HAVE_KRB5_C_STRING_TO_KEY') and \
692            not conf.CONFIG_SET('HAVE_KRB5_STRING_TO_KEY_SALT'):
693             Logs.warn("krb5_c_string_to_key not found in -lkrb5")
694             use_ads_krb5 = False
695         if not conf.CONFIG_SET('HAVE_KRB5_PRINCIPAL2SALT') and \
696            not conf.CONFIG_SET('HAVE_KRB5_GET_PW_SALT'):
697             Logs.warn("no CREATE_KEY_FUNCTIONS detected")
698             use_ads_krb5 = False
699         if not conf.CONFIG_SET('HAVE_KRB5_GET_PERMITTED_ENCTYPES') and \
700            not conf.CONFIG_SET('HAVE_KRB5_GET_DEFAULT_IN_TKT_ETYPES'):
701             Logs.warn("no GET_ENCTYPES_FUNCTIONS detected")
702             use_ads_krb5 = False
703         if not conf.CONFIG_SET('HAVE_KRB5_KT_FREE_ENTRY') and \
704            not conf.CONFIG_SET('HAVE_KRB5_FREE_KEYTAB_ENTRY_CONTENTS'):
705             Logs.warn("no KT_FREE_FUNCTION detected")
706             use_ads_krb5 = False
707         if not conf.CONFIG_SET('HAVE_KRB5_C_VERIFY_CHECKSUM'):
708             Logs.warn("krb5_c_verify_checksum_compare not found in -lkrb5")
709             use_ads_krb5 = False
710
711         # We don't actually use
712         # gsskrb5_extract_authz_data_from_sec_context, but it is a
713         # clue that this Heimdal, which does the PAC processing we
714         # need on the standard gss_inquire_sec_context_by_oid
715         if not conf.CONFIG_SET('HAVE_GSS_GET_NAME_ATTRIBUTE') and \
716             not (conf.CONFIG_SET('HAVE_GSSKRB5_EXTRACT_AUTHZ_DATA_FROM_SEC_CONTEXT') and \
717                      conf.CONFIG_SET('HAVE_GSS_INQUIRE_SEC_CONTEXT_BY_OID')):
718             Logs.warn("need either gss_get_name_attribute or gsskrb5_extract_authz_data_from_sec_context and gss_inquire_sec_context_by_oid in -lgssapi for PAC support")
719             use_ads_krb5 = False
720
721         if not conf.CONFIG_SET('HAVE_GSS_KRB5_EXPORT_LUCID_SEC_CONTEXT'):
722             Logs.warn("need gss_krb5_export_lucid_sec_context for SPNEGO and gss_wrap support")
723             use_ads_krb5 = False
724
725         if use_ads_krb5:
726             conf.DEFINE('HAVE_KRB5', '1')
727             conf.env['HAVE_KRB5'] = '1'
728         else:
729             conf.undefine('HAVE_KRB5_H')
730             conf.undefine('HAVE_GSSAPI_H')
731             conf.undefine('HAVE_GSSAPI_GSSAPI_GENERIC_H')
732             conf.undefine('HAVE_GSSAPI_GSSAPI_H')
733             use_ads = False
734
735         if not conf.CONFIG_SET('HAVE_LDAP'):
736             use_ads = False
737             use_ads_ldap = False
738
739     if use_ads:
740         conf.DEFINE('WITH_ADS', '1')
741         conf.env['HAVE_ADS'] = '1'
742         Logs.info("Building with Active Directory support.")
743     elif Options.options.with_ads == False:
744         Logs.info("Building without Active Directory support (--without-ads).")
745     else:
746         if not use_ads_krb5:
747             Logs.warn("Active Directory support not available: krb5 libs don't have all required features")
748         if not use_ads_ldap:
749             Logs.warn("Active Directory support not available: LDAP support ist not available.")
750         if Options.options.with_ads:
751             conf.fatal("Active Directory support not found. Use --without-ads for building without Active Directory support.")
752         else:
753             # this is the auto-mode case
754             Logs.warn("Building without Active Directory support.")
755
756
757     if Options.options.with_utmp:
758         conf.env.with_utmp = True
759         if not conf.CHECK_HEADERS('utmp.h'): conf.env.with_utmp = False
760         conf.CHECK_FUNCS('pututline pututxline updwtmp updwtmpx getutmpx getutxent')
761         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_name', headers='utmp.h',
762                                     define='HAVE_UT_UT_NAME')
763         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_user', headers='utmp.h',
764                                     define='HAVE_UT_UT_USER')
765         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_id', headers='utmp.h',
766                                     define='HAVE_UT_UT_ID')
767         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_host', headers='utmp.h',
768                                     define='HAVE_UT_UT_HOST')
769         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_time', headers='utmp.h',
770                                     define='HAVE_UT_UT_TIME')
771         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_tv', headers='utmp.h',
772                                     define='HAVE_UT_UT_TV')
773         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_type', headers='utmp.h',
774                                     define='HAVE_UT_UT_TYPE')
775         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_pid', headers='utmp.h',
776                                     define='HAVE_UT_UT_PID')
777         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_exit.e_exit', headers='utmp.h',
778                                     define='HAVE_UT_UT_EXIT')
779         conf.CHECK_STRUCTURE_MEMBER('struct utmpx', 'ut_syslen', headers='utmpx.h',
780                                     define='HAVE_UX_UT_SYSLEN')
781         conf.CHECK_CODE('struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);',
782                         'PUTUTLINE_RETURNS_UTMP', headers='utmp.h',
783                         msg="Checking whether pututline returns pointer")
784         conf.CHECK_SIZEOF(['((struct utmp *)NULL)->ut_line'], headers='utmp.h',
785                           define='SIZEOF_UTMP_UT_LINE')
786         if not conf.CONFIG_SET('SIZEOF_UTMP_UT_LINE'):
787             conf.env.with_utmp = False
788         elif int(conf.env.SIZEOF_UTMP_UT_LINE) < 15:
789             conf.env.with_utmp = False
790         if conf.env.with_utmp:
791             conf.DEFINE('WITH_UTMP', 1)
792         else:
793             Logs.warn("--with-utmp but utmp support not sufficient")
794
795     if Options.options.with_avahi:
796         conf.env.with_avahi = True
797         if not conf.CHECK_HEADERS('avahi-common/watch.h avahi-client/client.h'): conf.env.with_avahi = False
798         if not conf.CHECK_FUNCS_IN('avahi_client_new', 'avahi-client'): conf.env.with_avahi = False
799         if not conf.CHECK_FUNCS_IN('avahi_strerror', 'avahi-common'): conf.env.with_avahi = False
800         if conf.env.with_avahi:
801             conf.DEFINE('WITH_AVAHI_SUPPORT', 1)
802     else:
803         conf.SET_TARGET_TYPE('avahi-common', 'EMPTY')
804         conf.SET_TARGET_TYPE('avahi-client', 'EMPTY')
805
806     if Options.options.with_iconv:
807         conf.env.with_iconv = True
808         if not conf.CHECK_FUNCS_IN('iconv_open', 'iconv', headers='iconv.h'):
809             conf.env.with_iconv = False
810         if conf.env.with_iconv:
811             conf.DEFINE('HAVE_ICONV', 1)
812
813     if Options.options.with_pam:
814         use_pam=True
815         conf.CHECK_HEADERS('security/pam_appl.h pam/pam_appl.h')
816         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_APPL_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_APPL_H'):
817             Logs.warn("--with-pam=yes but pam_appl.h not found")
818             use_pam=False
819         conf.CHECK_FUNCS_IN('pam_get_data', 'pam')
820         conf.CHECK_HEADERS('security/pam_modules.h pam/pam_modules.h')
821         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_MODULES_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_MODULES_H'):
822             Logs.warn("--with-pam=yes but pam_modules.h not found")
823             use_pam=False
824         conf.CHECK_HEADERS('security/pam_ext.h security/_pam_macros.h')
825         conf.CHECK_HEADERS('pam/pam_ext.h pam/_pam_macros.h')
826         conf.CHECK_FUNCS_IN('pam_vsyslog', 'pam')
827         conf.CHECK_CODE('''
828 #if defined(HAVE_SECURITY_PAM_APPL_H)
829 #include <security/pam_appl.h>
830 #elif defined(HAVE_PAM_PAM_APPL_H)
831 #include <pam/pam_appl.h>
832 #endif
833 pam_set_item(0, PAM_RHOST, 0);
834 ''',
835             'HAVE_PAM_RHOST',
836             lib='pam',
837             msg="Checking whether PAM_RHOST is available");
838         conf.CHECK_CODE('''
839 #if defined(HAVE_SECURITY_PAM_APPL_H)
840 #include <security/pam_appl.h>
841 #elif defined(HAVE_PAM_PAM_APPL_H)
842 #include <pam/pam_appl.h>
843 #endif
844 pam_set_item(0, PAM_TTY, 0);
845 ''',
846             'HAVE_PAM_TTY',
847             lib='pam',
848             msg="Checking whether PAM_TTY is available");
849         conf.CHECK_CODE('''
850 #if (!defined(LINUX))
851
852 #define PAM_EXTERN extern
853 #if defined(HAVE_SECURITY_PAM_APPL_H)
854 #include <security/pam_appl.h>
855 #elif defined(HAVE_PAM_PAM_APPL_H)
856 #include <pam/pam_appl.h>
857 #endif
858
859 #endif
860
861 #if defined(HAVE_SECURITY_PAM_MODULES_H)
862 #include <security/pam_modules.h>
863 #elif defined(HAVE_PAM_PAM_MODULES_H)
864 #include <pam/pam_modules.h>
865 #endif
866
867 #if defined(HAVE_SECURITY__PAM_MACROS_H)
868 #include <security/_pam_macros.h>
869 #elif defined(HAVE_PAM__PAM_MACROS_H)
870 #include <pam/_pam_macros.h>
871 #endif
872
873 #ifdef HAVE_SECURITY_PAM_EXT_H
874 #include <security/pam_ext.h>
875 #endif
876
877 int i; i = PAM_RADIO_TYPE;
878 ''',
879             'HAVE_PAM_RADIO_TYPE',
880             lib='pam',
881             msg="Checking whether PAM_RADIO_TYPE is available");
882         if use_pam:
883             conf.DEFINE('WITH_PAM', 1)
884             conf.DEFINE('WITH_PAM_MODULES', 1)
885
886     if Options.options.with_pam_smbpass:
887         conf.env.with_pam_smbpass = True
888
889     seteuid = False
890
891 #
892 # Ensure we select the correct set of system calls on Linux.
893 #
894     if (host_os.rfind('linux') > -1):
895         conf.CHECK_CODE('''
896 #if defined(HAVE_UNISTD_H)
897 #include <unistd.h>
898 #endif
899 #include <stdlib.h>
900 #include <stdio.h>
901 #include <sys/types.h>
902 #include <errno.h>
903
904 #ifdef HAVE_SYS_PRIV_H
905 #include <sys/priv.h>
906 #endif
907 #ifdef HAVE_SYS_ID_H
908 #include <sys/id.h>
909 #endif
910
911 #if defined(HAVE_SYSCALL_H)
912 #include <syscall.h>
913 #endif
914
915 #if defined(HAVE_SYS_SYSCALL_H)
916 #include <sys/syscall.h>
917 #endif
918
919 syscall(SYS_setresuid32, -1, -1, -1);
920 syscall(SYS_setresgid32, -1, -1, -1);
921 syscall(SYS_setreuid32, -1, -1);
922 syscall(SYS_setregid32, -1, -1);
923 syscall(SYS_setuid32, -1);
924 syscall(SYS_setgid32, -1);
925 syscall(SYS_setgroups32, 0, NULL);
926 ''',
927             'USE_LINUX_32BIT_SYSCALLS',
928             msg="Checking whether Linux should use 32-bit credential calls");
929
930         if (conf.CONFIG_SET('USE_LINUX_32BIT_SYSCALLS')):
931             seteuid = conf.CHECK_CODE('''
932                                 #define AUTOCONF_TEST 1
933                                 #define USE_LINUX_THREAD_CREDENTIALS 1
934                                 #define USE_LINUX_32BIT_SYSCALLS 1
935                                 #include "../lib/util/setid.c"
936                                 #include "./lib/util_sec.c"
937                                 ''',
938                                 'USE_LINUX_THREAD_CREDENTIALS',
939                                 addmain=False,
940                                 execute=True,
941                                 msg="Checking whether we can use Linux thread-specific credentials with 32-bit system calls")
942         else:
943             seteuid = conf.CHECK_CODE('''
944                                 #define AUTOCONF_TEST 1
945                                 #define USE_LINUX_THREAD_CREDENTIALS 1
946                                 #include "../lib/util/setid.c"
947                                 #include "./lib/util_sec.c"
948                                 ''',
949                                 'USE_LINUX_THREAD_CREDENTIALS',
950                                 addmain=False,
951                                 execute=True,
952                                 msg="Checking whether we can use Linux thread-specific credentials")
953     if not seteuid:
954         seteuid = conf.CHECK_CODE('''
955                                 #define AUTOCONF_TEST 1
956                                 #define USE_SETREUID 1
957                                 #include "../lib/util/setid.c"
958                                 #include "./lib/util_sec.c"
959                                 ''',
960                                 'USE_SETREUID',
961                                 addmain=False,
962                                 execute=True,
963                                 msg="Checking whether setreuid is available")
964     if not seteuid:
965         seteuid = conf.CHECK_CODE('''
966                                 #define AUTOCONF_TEST 1
967                                 #define USE_SETRESUID 1
968                                 #include "../lib/util/setid.c"
969                                 #include "./lib/util_sec.c"
970                                 ''',
971                                 'USE_SETRESUID',
972                                 addmain=False,
973                                 execute=True,
974                                 msg="Checking whether setresuid is available")
975     if not seteuid:
976         seteuid = conf.CHECK_CODE('''
977                                 #define AUTOCONF_TEST 1
978                                 #define USE_SETEUID 1
979                                 #include "../lib/util/setid.c"
980                                 #include "./lib/util_sec.c"
981                                 ''',
982                                 'USE_SETEUID',
983                                 addmain=False,
984                                 execute=True,
985                                 msg="Checking whether seteuid is available")
986     if not seteuid:
987         seteuid = conf.CHECK_CODE('''
988                                 #define AUTOCONF_TEST 1
989                                 #define USE_SETUIDX 1
990                                 #include "../lib/util/setid.c"
991                                 #include "./lib/util_sec.c"
992                                 ''',
993                                 'USE_SETUIDX',
994                                 addmain=False,
995                                 execute=True,
996                                 mandatory=True,
997                                 msg="Checking whether setuidx is available")
998     if Options.options.with_dnsupdate:
999         if not conf.CONFIG_SET('HAVE_KRB5'):
1000             Logs.warn("--with-dnsupdate=yes but gssapi support not sufficient")
1001         else:
1002             conf.DEFINE('WITH_DNS_UPDATES', 1)
1003     conf.CHECK_HEADERS('valgrind.h valgrind/valgrind.h valgrind/memcheck.h')
1004     if Options.options.developer:
1005         if conf.CONFIG_SET('HAVE_VALGRIND_H') or conf.CONFIG_SET('HAVE_VALGRIND_VALGRIND_H'):
1006             conf.DEFINE('VALGRIND', '1')
1007
1008     if conf.CHECK_CODE('''
1009 #include <bits/sockaddr.h>
1010 #include <linux/netlink.h>
1011 ''',
1012                 'HAVE_LINUX_NETLINK_H',
1013                 msg="Checking whether Linux netlink is available"):
1014
1015         conf.CHECK_CODE('''
1016 #include <bits/sockaddr.h>
1017 #include <linux/netlink.h>
1018 #include <linux/rtnetlink.h>
1019 ''',
1020                 'HAVE_LINUX_RTNETLINK_H',
1021                 msg='Checking whether Linux rtnetlink is available')
1022
1023     conf.CHECK_CODE('''
1024 #include "../tests/fcntl_lock.c"
1025 ''',
1026                 'HAVE_FCNTL_LOCK',
1027                 addmain=False,
1028                 execute=True,
1029                 msg='Checking whether fcntl locking is available')
1030
1031 # glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
1032     if not conf.CHECK_CODE('''
1033 #define _XOPEN_SOURCE 600
1034 #include <stdlib.h>
1035 #if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
1036 #error probably broken posix_fallocate
1037 #endif
1038 ''',
1039                            '_HAVE_UNBROKEN_POSIX_FALLOCATE',
1040                            msg='Checking for broken posix_fallocate'):
1041         conf.DEFINE('HAVE_BROKEN_POSIX_FALLOCATE', '1')
1042
1043
1044     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtim.tv_nsec',
1045                                 define='HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') # Linux, Solaris
1046     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimensec',
1047                                 define='HAVE_STRUCT_STAT_ST_MTIMENSEC') # BSD, if defined _POSIX_SOURCE
1048     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimespec.tv_nsec',
1049                                 define='HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') # BSD, if not defined _POSIX_SOURCE
1050     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtime_n',
1051                                 define='HAVE_STRUCT_STAT_ST_MTIME_N') # AIX
1052     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_umtime',
1053                                 define='HAVE_STRUCT_STAT_ST_UMTIME') # Tru64
1054     if conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') or \
1055        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMENSEC') or \
1056        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') or \
1057        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIME_N') or \
1058        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_UMTIME'):
1059         conf.DEFINE('HAVE_STAT_HIRES_TIMESTAMPS', '1')
1060
1061     # recent FreeBSD, NetBSD have creation timestamps called birthtime:
1062     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtime',
1063                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIME')
1064     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimespec.tv_nsec',
1065                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC')
1066     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimensec',
1067                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC')
1068
1069     conf.CHECK_CODE('''
1070 ssize_t err = posix_fadvise(0,0,0x80000,POSIX_FADV_WILLNEED);
1071 ''',
1072                 'HAVE_POSIX_FADVISE',
1073                 msg='Checking whether posix_fadvise is available',
1074                 headers='unistd.h fcntl.h')
1075
1076     for v in ['_SC_NGROUPS_MAX', '_SC_NPROC_ONLN', '_SC_NPROCESSORS_ONLN', '_SC_PAGESIZE' ]:
1077         conf.CHECK_CODE('''
1078                         #include <unistd.h>
1079                         return sysconf(%s) == -1 ? 1 : 0;
1080                         ''' % v,
1081                         'SYSCONF%s' % v,
1082                         msg='Checking whether sysconf(%s) is available' % v)
1083
1084     conf.CHECK_CODE('''
1085 #include <sys/syscall.h>
1086 #include <unistd.h>
1087 syscall(SYS_initgroups, 16, NULL, NULL, 0);
1088                     ''',
1089                     'HAVE_DARWIN_INITGROUPS',
1090                     msg='Checking whether to use the Darwin-specific initgroups system call')
1091
1092     conf.CHECK_CODE('''struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));''',
1093                     'HAVE_UTIMBUF',
1094                     headers='sys/types.h utime.h',
1095                     msg='Checking whether struct utimbuf is available')
1096
1097     if conf.CHECK_CODE('''struct sigevent s;''',
1098                     'HAVE_STRUCT_SIGEVENT',
1099                     headers='sys/types.h stdlib.h stddef.h signal.h',
1100                     msg='Checking whether we have the struct sigevent'):
1101         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sival_ptr',
1102                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIVAL_PTR',
1103                                     headers='signal.h');
1104         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sigval_ptr',
1105                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIGVAL_PTR',
1106                                     headers='signal.h');
1107
1108     if os.path.exists('/proc/sys/kernel/core_pattern'):
1109         conf.DEFINE('HAVE_SYS_KERNEL_PROC_CORE_PATTERN', '1')
1110
1111     if conf.CHECK_CODE('''
1112 #include <time.h>
1113 main() {
1114         struct tm *tm;
1115         if (sizeof(time_t) == 8) {
1116                 time_t max_time = 0x7fffffffffffffffll;
1117                 tm = gmtime(&max_time);
1118                 /* This should fail with 32-bit tm_year. */
1119                 if (tm == NULL) {
1120                         /* Max time_t that works with 32-bit int tm_year in struct tm. */
1121                         max_time = 67768036191676799ll;
1122                         tm = gmtime(&max_time);
1123                         if (tm) {
1124                                 exit(0);
1125                         }
1126                 }
1127         }
1128         exit(1);
1129 }''',
1130         '__TIME_T_MAX',
1131         addmain=False,
1132         execute=True,
1133         msg="Checking for the maximum value of the 'time_t' type"):
1134             conf.DEFINE('TIME_T_MAX', '67768036191676799ll')
1135
1136     conf.CHECK_CODE('''
1137 #if defined(HAVE_UNISTD_H)
1138 #include <unistd.h>
1139 #endif
1140 #include <sys/types.h>
1141 main() { dev_t dev = makedev(1,2); return 0; }
1142 ''',
1143         'HAVE_MAKEDEV',
1144         addmain=False,
1145         msg='Checking whether the macro for makedev is available')
1146
1147     conf.CHECK_CODE('''
1148 #include <stdio.h>
1149 #include <limits.h>
1150 #include <signal.h>
1151
1152 void exit_on_core(int ignored) {
1153         exit(1);
1154 }
1155
1156 main() {
1157         char *newpath;
1158         signal(SIGSEGV, exit_on_core);
1159         newpath = realpath("/tmp", NULL);
1160         exit((newpath != NULL) ? 0 : 1);
1161 }
1162 ''',
1163         'REALPATH_TAKES_NULL',
1164         addmain=False,
1165         execute=True,
1166         msg='Checking whether the realpath function allows a NULL argument')
1167
1168     conf.CHECK_CODE('''#include "../tests/ftruncate.c"''',
1169                     'HAVE_FTRUNCATE_EXTEND',
1170                     msg='Checking for ftruncate extend',
1171                     addmain=False,
1172                     execute=True)
1173
1174     if Options.options.with_sendfile_support:
1175         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):
1176             conf.CHECK_CODE('''
1177                             int tofd, fromfd;
1178                             off_t offset;
1179                             size_t total;
1180                             ssize_t nwritten = sendfile(tofd, fromfd, &offset, total);
1181                             ''',
1182                             '_HAVE_SENDFILE',
1183                             headers='sys/sendfile.h',
1184                             msg='Checking for linux sendfile support')
1185
1186             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1187                 conf.DEFINE('HAVE_SENDFILE', '1')
1188                 conf.DEFINE('LINUX_SENDFILE_API', '1')
1189                 conf.DEFINE('WITH_SENDFILE', '1')
1190         elif (host_os.rfind('freebsd') > -1) or (host_os.rfind('dragonfly') > -1):
1191             conf.CHECK_CODE('''
1192                             #include <sys/types.h>
1193                             #include <unistd.h>
1194                             #include <sys/socket.h>
1195                             #include <sys/uio.h>
1196                             int fromfd, tofd, ret, total=0;
1197                             off_t offset, nwritten;
1198                             struct sf_hdtr hdr;
1199                             struct iovec hdtrl;
1200                             hdr.headers = &hdtrl;
1201                             hdr.hdr_cnt = 1;
1202                             hdr.trailers = NULL;
1203                             hdr.trl_cnt = 0;
1204                             hdtrl.iov_base = NULL;
1205                             hdtrl.iov_len = 0;
1206                             ret = sendfile(fromfd, tofd, offset, total, &hdr, &nwritten, 0)
1207                             ''',
1208                             '_HAVE_SENDFILE',
1209                             msg='Checking for freebsd sendfile support')
1210             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1211                 conf.DEFINE('HAVE_SENDFILE', '1')
1212                 conf.DEFINE('FREEBSD_SENDFILE_API', '1')
1213                 conf.DEFINE('WITH_SENDFILE', '1')
1214         elif (host_os.rfind('darwin') > -1):
1215             conf.CHECK_CODE('''
1216                             #include <sys/types.h>
1217                             #include <sys/socket.h>
1218                             #include <sys/uio.h>
1219                             int fromfd, tofd, ret;
1220                             off_t offset, nwritten;
1221                             struct sf_hdtr hdr;
1222                             struct iovec hdtrl;
1223                             hdr.headers = &hdtrl;
1224                             hdr.hdr_cnt = 1;
1225                             hdr.trailers = (void *)0;
1226                             hdr.trl_cnt = 0;
1227                             hdtrl.iov_base = (void *)0;
1228                             hdtrl.iov_len = 0;
1229                             ret = sendfile(fromfd, tofd, offset, &nwritten, &hdr, 0);
1230                             ''',
1231                             '_HAVE_SENDFILE',
1232                             msg='Checking for darwin sendfile support')
1233             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1234                 conf.DEFINE('HAVE_SENDFILE', '1')
1235                 conf.DEFINE('DARWIN_SENDFILE_API', '1')
1236                 conf.DEFINE('WITH_SENDFILE', '1')
1237         elif (host_os.rfind('hpux') > -1) or (host_os.rfind('osf') > -1):
1238             conf.CHECK_CODE('''
1239                             #include <sys/socket.h>
1240                             #include <sys/uio.h>
1241                             int fromfd, tofd;
1242                             size_t total=0;
1243                             struct iovec hdtrl[2];
1244                             ssize_t nwritten;
1245                             off_t offset;
1246                             hdtrl[0].iov_base = 0;
1247                             hdtrl[0].iov_len = 0;
1248                             nwritten = sendfile(tofd, fromfd, offset, total, &hdtrl[0], 0);
1249                             ''',
1250                             '_HAVE_SENDFILE',
1251                             msg='Checking for osf/hpux sendfile support')
1252             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1253                 conf.DEFINE('HAVE_SENDFILE', '1')
1254                 conf.DEFINE('HPUX_SENDFILE_API', '1')
1255                 conf.DEFINE('WITH_SENDFILE', '1')
1256         elif (host_os.rfind('solaris') > -1):
1257             conf.CHECK_FUNCS_IN('sendfile', 'sendfilev')
1258             conf.CHECK_CODE('''
1259                             #include <sys/sendfile.h>,
1260                             int sfvcnt;
1261                             size_t xferred;
1262                             struct sendfilevec vec[2];
1263                             ssize_t nwritten;
1264                             int tofd;
1265                             sfvcnt = 2;
1266                             vec[0].sfv_fd = SFV_FD_SELF;
1267                             vec[0].sfv_flag = 0;
1268                             vec[0].sfv_off = 0;
1269                             vec[0].sfv_len = 0;
1270                             vec[1].sfv_fd = 0;
1271                             vec[1].sfv_flag = 0;
1272                             vec[1].sfv_off = 0;
1273                             vec[1].sfv_len = 0;
1274                             nwritten = sendfilev(tofd, vec, sfvcnt, &xferred);
1275                             ''',
1276                             '_HAVE_SENDFILEV',
1277                             msg='Checking for solaris sendfilev support')
1278             if conf.CONFIG_SET('_HAVE_SENDFILEV'):
1279                 conf.DEFINE('HAVE_SENDFILEV', '1')
1280                 conf.DEFINE('SOLARIS_SENDFILE_API', '1')
1281                 conf.DEFINE('WITH_SENDFILE', '1')
1282         elif (host_os.rfind('aix') > -1):
1283             conf.CHECK_CODE('''
1284                             #include <sys/socket.h>
1285                             int fromfd, tofd;
1286                             size_t total=0;
1287                             struct sf_parms hdtrl;
1288                             ssize_t nwritten;
1289                             hdtrl.header_data = 0;
1290                             hdtrl.header_length = 0;
1291                             hdtrl.file_descriptor = fromfd;
1292                             hdtrl.file_offset = 0;
1293                             hdtrl.file_bytes = 0;
1294                             hdtrl.trailer_data = 0;
1295                             hdtrl.trailer_length = 0;
1296                             nwritten = send_file(&tofd, &hdtrl, 0);
1297                             ''',
1298                             '_HAVE_SENDFILE',
1299                             msg='Checking for AIX send_file support')
1300             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1301                 conf.DEFINE('HAVE_SENDFILE', '1')
1302                 conf.DEFINE('AIX_SENDFILE_API', '1')
1303                 conf.DEFINE('WITH_SENDFILE', '1')
1304
1305     # Check for getcwd allowing a NULL arg.
1306     conf.CHECK_CODE('''
1307 #include <unistd.h>
1308 main() {
1309         char *s = getcwd(NULL,0);
1310         exit(s != NULL ?  0 : 1);
1311 }''', 'GETCWD_TAKES_NULL', addmain=False, execute=True,
1312         msg="getcwd takes a NULL argument")
1313
1314
1315     # UnixWare 7.x has its getspnam in -lgen
1316     conf.CHECK_FUNCS_IN('getspnam', 'gen')
1317     conf.CHECK_FUNCS_IN('getspnam', 'security')
1318     conf.CHECK_FUNCS_IN('getspnam', 'sec')
1319
1320     if Options.options.with_quotas:
1321         # For quotas on Veritas VxFS filesystems
1322         conf.CHECK_HEADERS('sys/fs/vx_quota.h')
1323         # For sys/quota.h and linux/quota.h
1324         conf.CHECK_HEADERS('sys/quota.h')
1325         # For quotas on BSD systems
1326         conf.CHECK_HEADERS('ufs/ufs/quota.h')
1327         # For quotas on Linux XFS filesystems
1328         if conf.CHECK_HEADERS('xfs/xqm.h'):
1329             conf.DEFINE('HAVE_XFS_QUOTAS', '1')
1330         else:
1331             # For Irix XFS
1332             conf.CHECK_CODE('''
1333                 #include "confdefs.h"
1334                 #ifdef HAVE_SYS_TYPES_H
1335                 #include <sys/types.h>
1336                 #endif
1337                 #ifdef HAVE_ASM_TYPES_H
1338                 #include <asm/types.h>
1339                 #endif
1340                 #include <sys/quota.h>
1341                 int i = Q_XGETQUOTA;''',
1342                 define='HAVE_XFS_QUOTAS',
1343                 msg='for XFS QUOTA in <sys/quota.h>',
1344                 execute=False,
1345                 local_include=False)
1346         
1347         # For IRIX like dqb_isoftlimit instead of dqb_fsoftlimit in struc dqblk
1348         conf.CHECK_STRUCTURE_MEMBER('struct dqblk', 'dqb_fsoftlimit', define='HAVE_DQB_FSOFTLIMIT',
1349                                 headers='sys/quota.h')
1350         #darwin style quota bytecount
1351         conf.CHECK_STRUCTURE_MEMBER('struct dqblk', 'dqb_curbytes', define='HAVE_STRUCT_DQBLK_DQB_CURBYTES',
1352                                 headers='sys/quota.h')
1353         if conf.CHECK_HEADERS('rpcsvc/rquota.h'):
1354             conf.DEFINE('HAVE_NFS_QUOTAS', '1')
1355             conf.CHECK_STRUCTURE_MEMBER('struct getquota_rslt', 'getquota_rslt_u',
1356                                         define='HAVE_GETQUOTA_RSLT_GETQUOTA_RSLT_U',
1357                                         headers='rpcsvc/rquota.h')
1358
1359         if (host_os.rfind('linux') > -1):
1360             conf.DEFINE('HAVE_QUOTACTL_LINUX', '1')
1361         elif not conf.CONFIG_SET("HAVE_XFS_QUOTAS"):
1362             if not conf.CHECK_CODE('''
1363                 #define HAVE_QUOTACTL_4A 1
1364                 #define AUTOCONF_TEST 1
1365                 #include "../tests/sysquotas.c"
1366                 ''',
1367                                    cflags=conf.env['WERROR_CFLAGS'],
1368                                    define='HAVE_QUOTACTL_4A',
1369                                    msg='for QUOTACTL_4A: long quotactl(int cmd, char *special, qid_t id, caddr_t addr)',
1370                                    execute=True,
1371                                    addmain=False):
1372
1373                 conf.CHECK_CODE('''
1374                 #define HAVE_QUOTACTL_4B 1
1375                 #define AUTOCONF_TEST 1
1376                 #include "../tests/sysquotas.c"
1377                 ''',
1378                                 cflags=conf.env['WERROR_CFLAGS'],
1379                                 define='HAVE_QUOTACTL_4B',
1380                                 msg='for QUOTACTL_4B:  int quotactl(const char *path, int cmd, int id, char *addr)',
1381                                 execute=True,
1382                                 addmain=False)
1383
1384         conf.CHECK_CODE('''
1385                      clnt_create("", RQUOTAPROG, RQUOTAVERS, "udp");
1386 ''', 
1387                         headers="rpc/rpc.h rpc/types.h rpcsvc/rquota.h rpc/nettype.h rpc/xdr.h", 
1388                         define='HAVE_NFS_QUOTAS',
1389                         msg='for NFS QUOTAS',
1390                         execute=True,
1391                         local_include=False)
1392
1393         if conf.CONFIG_SET('HAVE_QUOTACTL_LINUX') or \
1394            conf.CONFIG_SET('HAVE_QUOTACTL_4A') or \
1395            conf.CONFIG_SET('HAVE_QUOTACTL_4B') or \
1396            conf.CONFIG_SET('HAVE_XFS_QUOTAS'):
1397             conf.DEFINE('HAVE_SYS_QUOTAS', '1')
1398             conf.DEFINE('WITH_QUOTAS', '1')
1399
1400     #
1401     # checking for clustering extensions (CTDB)
1402     #
1403     if Options.options.with_cluster_support == False:
1404         # configure is called with --without-cluster-support,
1405         # so don't check for and build w/o ctdb support.
1406         have_cluster_support = False
1407
1408     else:
1409
1410         if Options.options.ctdb_dir:
1411             conf.ADD_EXTRA_INCLUDES(Options.options.ctdb_dir + '/include')
1412
1413         srcdir = os.path.realpath(conf.srcdir)
1414         if 'EXTRA_INCLUDES' in conf.env:
1415             includes = ' '.join(conf.env['EXTRA_INCLUDES']).replace('#', srcdir + '/')
1416         else:
1417             includes = ''
1418
1419         if not conf.env.USING_SYSTEM_TDB:
1420             includes = includes + ' ' + srcdir + '/lib/tdb/include'
1421
1422         if not conf.env.USING_SYSTEM_TALLOC:
1423             includes = includes + ' ' + srcdir + '/lib/talloc'
1424
1425         have_cluster_support = True
1426         ctdb_broken = ""
1427
1428         conf.CHECK_CODE('''
1429             #define NO_CONFIG_H
1430             #include "replace.h"
1431             #include "system/wait.h"
1432             #include "system/network.h"
1433             #define private #error __USED_RESERVED_WORD_private__
1434             #include <talloc.h>
1435             #include <tdb.h>
1436             #include <ctdb.h>
1437
1438             int main(void)
1439             {
1440                 return 0;
1441             }
1442             ''',
1443             'HAVE_CTDB_H',
1444             addmain=False,
1445             includes=includes,
1446             msg='Checking for header ctdb.h')
1447
1448         if not conf.CONFIG_SET('HAVE_CTDB_H'):
1449             have_cluster_support = False
1450             ctdb_broken = "ctdb.h is required for cluster support"
1451
1452         if have_cluster_support:
1453             conf.CHECK_CODE('''
1454                 #define NO_CONFIG_H
1455                 #include "replace.h"
1456                 #include "system/wait.h"
1457                 #include "system/network.h"
1458                 #define private #error __USED_RESERVED_WORD_private__
1459                 #include <talloc.h>
1460                 #include <tdb.h>
1461                 #include <ctdb.h>
1462                 #include <ctdb_private.h>
1463
1464                 int main(void)
1465                 {
1466                     return 0;
1467                 }
1468                 ''',
1469                 'HAVE_CTDB_PRIVATE_H',
1470                 addmain=False,
1471                 includes=includes,
1472                 msg='Checking for header ctdb_private.h')
1473
1474             if not conf.CONFIG_SET('HAVE_CTDB_PRIVATE_H'):
1475                 have_cluster_support = False
1476                 ctdb_broken = "ctdb_private.h is required for cluster support"
1477
1478         if have_cluster_support:
1479             conf.CHECK_CODE('''
1480                 #define NO_CONFIG_H
1481                 #include "replace.h"
1482                 #include "system/wait.h"
1483                 #include "system/network.h"
1484                 #define private #error __USED_RESERVED_WORD_private__
1485                 #include <talloc.h>
1486                 #include <tdb.h>
1487                 #include <ctdb.h>
1488                 #include <ctdb_protocol.h>
1489
1490                 int main(void)
1491                 {
1492                     return 0;
1493                 }
1494                 ''',
1495                 'HAVE_CTDB_PROTOCOL_H',
1496                 addmain=False,
1497                 includes=includes,
1498                 msg='Checking for header ctdb_protocol.h')
1499
1500         if have_cluster_support:
1501             conf.CHECK_CODE('''
1502                 #define NO_CONFIG_H
1503                 #include "replace.h"
1504                 #include "system/wait.h"
1505                 #include "system/network.h"
1506                 #include <talloc.h>
1507                 #include <tdb.h>
1508                 #include <ctdb.h>
1509                 #include <ctdb_private.h>
1510
1511                 int main(void)
1512                 {
1513                    int i = (int)CTDB_CONTROL_TRANS3_COMMIT;
1514                    return 0;
1515                 }
1516                 ''',
1517                 'HAVE_CTDB_CONTROL_TRANS3_COMMIT_DECL',
1518                 addmain=False,
1519                 includes=includes,
1520                 msg='Checking for transaction support (TRANS3_COMMIT control)')
1521
1522             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_TRANS3_COMMIT_DECL'):
1523                 have_cluster_support = False
1524                 ctdb_broken = "ctdb transaction support missing or too old"
1525
1526         if have_cluster_support:
1527             conf.CHECK_CODE('''
1528                 #define NO_CONFIG_H
1529                 #include "replace.h"
1530                 #include "system/wait.h"
1531                 #include "system/network.h"
1532                 #include <talloc.h>
1533                 #include <tdb.h>
1534                 #include <ctdb.h>
1535                 #include <ctdb_private.h>
1536
1537                 int main(void)
1538                 {
1539                     int i = (int)CTDB_CONTROL_SCHEDULE_FOR_DELETION;
1540                     return 0;
1541                 }
1542                 ''',
1543                 'HAVE_CTDB_CONTROL_SCHEDULE_FOR_DELETION_DECL',
1544                 addmain=False,
1545                 includes=includes,
1546                 msg='Checking for SCHEDULE_FOR_DELETION control')
1547
1548             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_SCHEDULE_FOR_DELETION_DECL'):
1549                 if not Options.options.enable_old_ctdb:
1550                     have_cluster_support = False
1551                     ctdb_broken = "SCHEDULE_FOR_DELETION control missing"
1552                 else:
1553                     Logs.warn("ignoring missing SCHEDULE_FOR_DELETION control (--enable-old-ctdb)")
1554
1555         if have_cluster_support:
1556             conf.CHECK_CODE('''
1557                #define NO_CONFIG_H
1558                #include "replace.h"
1559                #include "system/wait.h"
1560                #include "system/network.h"
1561                #include <talloc.h>
1562                #include <tdb.h>
1563                #include <ctdb.h>
1564
1565                int main(void)
1566                {
1567                    int i = (int)CTDB_WANT_READONLY;
1568                    return 0;
1569                }
1570                ''',
1571                'HAVE_CTDB_WANT_READONLY_DECL',
1572                addmain=False,
1573                includes=includes,
1574                msg='Checking for CTDB readonly records support')
1575
1576             if not conf.CONFIG_SET('HAVE_CTDB_WANT_READONLY_DECL'):
1577                 if not Options.options.enable_old_ctdb:
1578                     have_cluster_support = False
1579                     ctdb_broken = "support for CTDB readonly records missing"
1580                 else:
1581                     Logs.warn("ignoring missing READONLY support (--enable-old-ctdb)")
1582
1583         if have_cluster_support:
1584             conf.CHECK_CODE('''
1585                 #define NO_CONFIG_H
1586                 #include "replace.h"
1587                 #include "system/wait.h"
1588                 #include "system/network.h"
1589                 #include <talloc.h>
1590                 #include <tdb.h>
1591                 #include <ctdb.h>
1592                 #include <ctdb_private.h>
1593
1594                 int main(void)
1595                 {
1596                     struct ctdb_control_tcp _x;
1597                     return 0;
1598                 }
1599                 ''',
1600                 'HAVE_STRUCT_CTDB_CONTROL_TCP',
1601                 addmain=False,
1602                 includes=includes,
1603                 msg='Checking for ctdb ipv4 support')
1604
1605             if not conf.CONFIG_SET('HAVE_STRUCT_CTDB_CONTROL_TCP'):
1606                 have_cluster_support = False
1607                 ctdb_broken = "missing struct ctdb_control_tcp"
1608
1609         if have_cluster_support:
1610             conf.CHECK_CODE('''
1611                 #define NO_CONFIG_H
1612                 #include "replace.h"
1613                 #include "system/wait.h"
1614                 #include "system/network.h"
1615                 #include <talloc.h>
1616                 #include <tdb.h>
1617                 #include <ctdb.h>
1618                 #include <ctdb_private.h>
1619
1620                 int main(void)
1621                 {
1622                     struct ctdb_control_tcp_addr _x;
1623                     return 0;
1624                 }
1625                 ''',
1626                 'HAVE_STRUCT_CTDB_CONTROL_TCP_ADDR',
1627                 addmain=False,
1628                 includes=includes,
1629                 msg='Checking for ctdb ipv6 support')
1630
1631         if have_cluster_support:
1632             conf.CHECK_CODE('''
1633                 #define NO_CONFIG_H
1634                 #include "replace.h"
1635                 #include "system/wait.h"
1636                 #include "system/network.h"
1637                 #include <talloc.h>
1638                 #include <tdb.h>
1639                 #include <ctdb.h>
1640                 #include <ctdb_private.h>
1641
1642                 int main(void)
1643                 {
1644                     int i = (int)CTDB_CONTROL_CHECK_SRVIDS;
1645                     return 0;
1646                 }
1647                 ''',
1648                 'HAVE_CTDB_CONTROL_CHECK_SRVIDS_DECL',
1649                 addmain=False,
1650                 includes=includes,
1651                 msg='Checking for CHECK_SRVIDS control')
1652
1653             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_CHECK_SRVIDS_DECL'):
1654                 if not Options.options.enable_old_ctdb:
1655                     have_cluster_support = False
1656                     ctdb_broken = "CHECK_SRVIDS control missing"
1657                 else:
1658                     Logs.warn("ignoring missing CHECK_SRVIDS control (--enable-old-ctdb)")
1659
1660     if have_cluster_support:
1661         Logs.info("building with cluster support")
1662         conf.DEFINE('CLUSTER_SUPPORT', 1);
1663     else:
1664         if Options.options.with_cluster_support == False:
1665             Logs.info("building without cluster support (--without-cluster-support)")
1666         elif Options.options.with_cluster_support == True:
1667             Logs.error("Cluster support not available: " + ctdb_broken)
1668             conf.fatal("Cluster support not found, but --with-cluster-support was specified")
1669         else:
1670             Logs.info("building without cluster support: " + ctdb_broken)
1671         conf.undefine('CLUSTER_SUPPORT')
1672
1673
1674     conf.CHECK_CODE('__attribute__((destructor)) static void cleanup(void) { }',
1675                     'HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR',
1676                     addmain=False,
1677                     link=False,
1678                     msg='Checking whether we can compile with __attribute__((destructor))')
1679
1680     conf.CHECK_CODE('void seekdir(DIR *d, long loc) { return; }',
1681                     'SEEKDIR_RETURNS_VOID',
1682                     headers='sys/types.h dirent.h',
1683                     msg='Checking whether seekdir returns void')
1684
1685     if Options.options.with_profiling_data:
1686         conf.DEFINE('WITH_PROFILE', 1);
1687
1688     PTHREAD_CFLAGS='error'
1689     PTHREAD_LDFLAGS='error'
1690
1691     if PTHREAD_LDFLAGS == 'error':
1692         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'pthread'):
1693             PTHREAD_CFLAGS='-D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS'
1694             PTHREAD_LDFLAGS='-lpthread'
1695     if PTHREAD_LDFLAGS == 'error':
1696         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'pthreads'):
1697             PTHREAD_CFLAGS='-D_THREAD_SAFE'
1698             PTHREAD_LDFLAGS='-lpthreads'
1699     if PTHREAD_LDFLAGS == 'error':
1700         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'c_r'):
1701             PTHREAD_CFLAGS='-D_THREAD_SAFE -pthread'
1702             PTHREAD_LDFLAGS='-pthread'
1703     if PTHREAD_LDFLAGS == 'error':
1704         if conf.CHECK_FUNCS('pthread_attr_init'):
1705             PTHREAD_CFLAGS='-D_REENTRANT'
1706             PTHREAD_LDFLAGS='-lpthread'
1707     # especially for HP-UX, where the CHECK_FUNC macro fails to test for
1708     # pthread_attr_init. On pthread_mutex_lock it works there...
1709     if PTHREAD_LDFLAGS == 'error':
1710         if conf.CHECK_FUNCS_IN('pthread_mutex_lock', 'pthread'):
1711             PTHREAD_CFLAGS='-D_REENTRANT'
1712             PTHREAD_LDFLAGS='-lpthread'
1713
1714     if PTHREAD_CFLAGS != 'error' and PTHREAD_LDFLAGS != 'error':
1715         conf.ADD_CFLAGS(PTHREAD_CFLAGS)
1716         conf.ADD_LDFLAGS(PTHREAD_LDFLAGS)
1717         conf.CHECK_HEADERS('pthread.h')
1718         conf.DEFINE('HAVE_PTHREAD', '1')
1719
1720     if Options.options.with_pthreadpool:
1721         if conf.CONFIG_SET('HAVE_PTHREAD'):
1722             conf.DEFINE('WITH_PTHREADPOOL', '1')
1723         else:
1724             Logs.warn("pthreadpool support cannot be enabled when pthread support was not found")
1725             conf.undefine('WITH_PTHREADPOOL')
1726
1727     if conf.CHECK_HEADERS('gpfs_gpl.h'):
1728         conf.DEFINE('HAVE_GPFS', '1')
1729
1730     if (conf.CHECK_HEADERS('linux/ioctl.h sys/ioctl.h linux/fs.h') and
1731         conf.CHECK_DECLS('FS_IOC_GETFLAGS FS_COMPR_FL', headers='linux/fs.h')):
1732             conf.DEFINE('HAVE_LINUX_IOCTL', '1')
1733
1734     conf.env['CCFLAGS_CEPHFS'] = "-D_FILE_OFFSET_BITS=64"
1735     if Options.options.libcephfs_dir:
1736         conf.env['CPPPATH_CEPHFS'] = Options.options.libcephfs_dir + '/include'
1737         conf.env['LIBPATH_CEPHFS'] = Options.options.libcephfs_dir + '/lib'
1738
1739     if conf.CHECK_HEADERS('cephfs/libcephfs.h', False, False, 'cephfs') and conf.CHECK_LIB('cephfs'):
1740         conf.DEFINE('HAVE_CEPH', '1')
1741
1742     if Options.options.with_glusterfs:
1743         conf.check_cfg(package='glusterfs-api', args='"glusterfs-api >= 4" --cflags --libs',
1744                        msg='Checking for glusterfs-api >= 4', uselib_store="GFAPI")
1745         conf.CHECK_HEADERS('api/glfs.h', lib='gfapi')
1746         conf.CHECK_LIB('gfapi', shlib=True)
1747
1748         if conf.CONFIG_SET('HAVE_API_GLFS_H'):
1749             conf.DEFINE('HAVE_GLUSTERFS', '1')
1750         else:
1751             conf.SET_TARGET_TYPE('gfapi', 'EMPTY')
1752             conf.undefine('HAVE_GLUSTERFS')
1753     else:
1754         conf.SET_TARGET_TYPE('gfapi', 'EMPTY')
1755         conf.undefine('HAVE_GLUSTERFS')
1756
1757     conf.env.build_regedit = False
1758     if not Options.options.with_regedit == False:
1759         conf.PROCESS_SEPARATE_RULE('system_ncurses')
1760         if conf.CONFIG_SET('HAVE_NCURSES'):
1761             conf.env.build_regedit = True
1762
1763     if conf.env.build_regedit:
1764         Logs.info("building regedit")
1765     else:
1766         if Options.options.with_regedit == False:
1767             Logs.info("not building regedit (--without-regedit)")
1768         elif Options.options.with_regedit == True:
1769             Logs.error("ncurses not available, cannot build regedit")
1770             conf.fatal("ncurses not available, but --with-regedit was specified")
1771         else:
1772             Logs.info("ncurses not available, not building regedit")
1773
1774
1775     default_static_modules.extend(TO_LIST('''pdb_smbpasswd pdb_tdbsam pdb_wbc_sam
1776                                       auth_sam auth_unix auth_winbind auth_wbc
1777                                       auth_domain auth_builtin vfs_default
1778                                       nss_info_template idmap_tdb idmap_passdb
1779                                       idmap_nss'''))
1780
1781     default_shared_modules.extend(TO_LIST('''vfs_recycle vfs_audit vfs_extd_audit vfs_full_audit vfs_netatalk
1782                                       vfs_fake_perms vfs_default_quota vfs_readonly vfs_cap
1783                                       vfs_expand_msdfs vfs_shadow_copy vfs_shadow_copy2 
1784                                       auth_script vfs_readahead vfs_xattr_tdb vfs_posix_eadb
1785                                       vfs_streams_xattr vfs_streams_depot vfs_acl_xattr vfs_acl_tdb
1786                                       vfs_smb_traffic_analyzer vfs_preopen vfs_catia vfs_scannedonly
1787                                       vfs_media_harmony
1788                                       vfs_commit
1789                                       vfs_crossrename vfs_linux_xfs_sgid
1790                                       vfs_time_audit idmap_autorid idmap_tdb2
1791                                       idmap_rid idmap_hash idmap_rfc2307'''))
1792
1793     if Options.options.developer:
1794         default_static_modules.extend(TO_LIST('charset_weird'))
1795         default_shared_modules.extend(TO_LIST('perfcount_test'))
1796         default_shared_modules.extend(TO_LIST('vfs_skel_opaque vfs_skel_transparent vfs_shadow_copy_test'))
1797         default_shared_modules.extend(TO_LIST('auth_skel pdb_test'))
1798
1799     if Options.options.enable_selftest or Options.options.developer:
1800         default_shared_modules.extend(TO_LIST('vfs_fake_acls vfs_nfs4acl_xattr'))
1801         
1802
1803     if conf.CONFIG_SET('AD_DC_BUILD_IS_ENABLED'):
1804         default_static_modules.extend(TO_LIST('pdb_samba_dsdb auth_samba4 vfs_dfs_samba4'))
1805
1806     if conf.CONFIG_SET('HAVE_FREEBSD_SUNACL_H'):
1807         default_shared_modules.extend(TO_LIST('vfs_zfsacl'))
1808
1809     if conf.CONFIG_SET('HAVE_DIRFD_DECL'):
1810         default_shared_modules.extend(TO_LIST('vfs_syncops vfs_dirsort'))
1811
1812     if conf.CONFIG_SET('HAVE_STATFS_F_FSID'):
1813         default_shared_modules.extend(TO_LIST('vfs_fileid'))
1814
1815     if (conf.CONFIG_SET('HAVE_MSGHDR_MSG_CONTROL') or conf.CONFIG_SET('HAVE_MSGHDR_MSG_ACCTRIGHTS')):
1816         default_shared_modules.extend(TO_LIST('vfs_aio_fork'))
1817
1818     if Options.options.with_pthreadpool:
1819         default_shared_modules.extend(TO_LIST('vfs_aio_pthread'))
1820
1821     if conf.CONFIG_SET('HAVE_AIO'):
1822         default_shared_modules.extend(TO_LIST('vfs_aio_posix'))
1823
1824     if conf.CONFIG_SET('HAVE_LINUX_KERNEL_AIO'):
1825         default_shared_modules.extend(TO_LIST('vfs_aio_linux'))
1826
1827     if conf.CONFIG_SET('HAVE_LDAP'):
1828         default_static_modules.extend(TO_LIST('pdb_ldapsam idmap_ldap'))
1829
1830     if conf.CONFIG_SET('DARWINOS'):
1831         default_static_modules.extend(TO_LIST('charset_macosxfs'))
1832
1833     if conf.CONFIG_SET('HAVE_GPFS'):
1834         default_shared_modules.extend(TO_LIST('vfs_gpfs'))
1835
1836     if conf.CONFIG_SET('HAVE_LINUX_IOCTL'):
1837         default_shared_modules.extend(TO_LIST('vfs_btrfs'))
1838
1839     if conf.CONFIG_SET('SAMBA_FAM_LIBS'):
1840         default_shared_modules.extend(TO_LIST('vfs_notify_fam'))
1841
1842     if conf.CONFIG_SET("HAVE_CEPH"):
1843         default_shared_modules.extend(TO_LIST('vfs_ceph'))
1844
1845     if conf.CONFIG_SET('HAVE_GLUSTERFS'):
1846         default_shared_modules.extend(TO_LIST('vfs_glusterfs'))
1847
1848     explicit_shared_modules = TO_LIST(Options.options.shared_modules, delimiter=',')
1849     explicit_static_modules = TO_LIST(Options.options.static_modules, delimiter=',')
1850
1851     def replace_list_item(lst, item, value):
1852         try:
1853             idx = lst.index(item)
1854             lst[idx] = value
1855         except:
1856             pass
1857     # PDB module file name should have the same name as module registers itself
1858     # In Autoconf build we export LDAP passdb module as ldapsam but WAF build
1859     # was always exporting pdb_ldap. In order to support existing packages
1860     # allow referring to pdb_ldapsam as pdb_ldap but use proper name internally.
1861     replace_list_item(explicit_shared_modules, 'pdb_ldap', 'pdb_ldapsam')
1862     replace_list_item(explicit_static_modules, 'pdb_ldap', 'pdb_ldapsam')
1863
1864     final_static_modules = default_static_modules
1865     final_shared_modules = default_shared_modules
1866
1867     for m in explicit_static_modules:
1868         if m in final_shared_modules:
1869             final_shared_modules.remove(m)
1870         final_static_modules.append(m)
1871     for m in explicit_shared_modules:
1872         if m in final_static_modules:
1873             final_static_modules.remove(m)
1874         final_shared_modules.append(m)
1875
1876     if ("auth_domain" not in final_static_modules) or \
1877             ("auth_builtin" not in final_static_modules) or \
1878             ("auth_sam" not in final_static_modules) or \
1879             ("auth_winbind" not in final_static_modules):
1880         raise Utils.WafError('These auth modules MUST be configured as static modules: auth_domain, auth_builtin, auth_sam, auth_winbind')
1881
1882     conf.env['static_modules'] = final_static_modules
1883     conf.env['shared_modules'] = final_shared_modules
1884
1885     conf.DEFINE('STRING_STATIC_MODULES', ' '.join(final_static_modules), quote=True)
1886
1887     static_list = {}
1888     shared_list = {}
1889
1890     prefixes = ['vfs', 'pdb', 'auth', 'nss_info', 'charset', 'idmap', 'gpext', 'perfcount']
1891     conf.env['MODULE_PREFIXES'] = prefixes
1892     for p in prefixes:
1893         for m in final_static_modules:
1894             if m.find(p) == 0:
1895                 if not p in static_list:
1896                     static_list[p] = []
1897                 static_list[p].append(m)
1898         for m in final_shared_modules:
1899             if m.find(p) == 0:
1900                 if not p in shared_list:
1901                     shared_list[p] = []
1902                 shared_list[p].append(m)
1903
1904     for p in prefixes:
1905         static_env = "%s_STATIC" % p.upper()
1906         shared_env = "%s_SHARED" % p.upper()
1907         conf.env[static_env] = []
1908         conf.env[shared_env] = []
1909         if p in static_list:
1910             decl_list=""
1911             for entry in static_list[p]:
1912                 decl_list += "extern NTSTATUS %s_init(void); " % entry
1913                 conf.env[static_env].append('%s' % entry)
1914             decl_list = decl_list.rstrip()
1915             conf.DEFINE('static_decl_%s' % p, decl_list)
1916             conf.DEFINE('static_init_%s' % p, '{ %s_init(); }' % '_init();  '.join(static_list[p]))
1917         else:
1918             conf.DEFINE('static_decl_%s' % p, '')
1919             conf.DEFINE('static_init_%s' % p, '{}')
1920         if p in shared_list:
1921             for entry in shared_list[p]:
1922                 conf.DEFINE('%s_init' % entry, 'samba_init_module')
1923                 conf.env[shared_env].append('%s' % entry)
1924
1925     conf.SAMBA_CONFIG_H('include/config.h')
1926
1927 def ctags(ctx):
1928     "build 'tags' file using ctags"
1929     import Utils
1930     source_root = os.path.dirname(Utils.g_module.root_path)
1931     cmd = 'ctags $(find %s/.. -name "*.[ch]" | grep -v "*_proto\.h")' % source_root
1932     print("Running: %s" % cmd)
1933     os.system(cmd)
1934