source3/wscript

   1 #! /usr/bin/env python
   2
   3 srcdir=".."
   4
   5 import sys, os
   6 from optparse import SUPPRESS_HELP
   7 sys.path.insert(0, srcdir+"/buildtools/wafsamba")
   8 sys.path.insert(0, "source3")
   9 import wafsamba, Options, Logs, Utils, Scripting
  10 import build.charset
  11 import samba_utils, samba_version
  12 import samba3
  13
  14 Options.default_prefix = '/usr/local/samba'
  15
  16 def set_options(opt):
  17
  18     opt.add_option('--with-static-modules',
  19                    help=("Comma-separated list of names of modules to statically link in"),
  20                    action="store", dest='static_modules', default=None)
  21     opt.add_option('--with-shared-modules',
  22                    help=("Comma-separated list of names of modules to build shared"),
  23                    action="store", dest='shared_modules', default=None)
  24
  25     opt.SAMBA3_ADD_OPTION('winbind')
  26     opt.SAMBA3_ADD_OPTION('swat')
  27     opt.SAMBA3_ADD_OPTION('ads')
  28     opt.SAMBA3_ADD_OPTION('ldap')
  29     opt.SAMBA3_ADD_OPTION('cups', with_name="enable", without_name="disable")
  30     opt.SAMBA3_ADD_OPTION('iprint', with_name="enable", without_name="disable")
  31     opt.SAMBA3_ADD_OPTION('pam')
  32     opt.SAMBA3_ADD_OPTION('pam_smbpass')
  33     opt.SAMBA3_ADD_OPTION('quotas')
  34     opt.SAMBA3_ADD_OPTION('sendfile-support')
  35     opt.SAMBA3_ADD_OPTION('utmp')
  36     opt.SAMBA3_ADD_OPTION('pthreadpool', with_name="enable", without_name="disable", default=True)
  37     opt.SAMBA3_ADD_OPTION('avahi', with_name="enable", without_name="disable")
  38     opt.SAMBA3_ADD_OPTION('iconv')
  39     opt.SAMBA3_ADD_OPTION('acl-support')
  40     opt.SAMBA3_ADD_OPTION('dnsupdate')
  41     opt.SAMBA3_ADD_OPTION('syslog')
  42     opt.SAMBA3_ADD_OPTION('automount')
  43     opt.SAMBA3_ADD_OPTION('aio-support')
  44     opt.SAMBA3_ADD_OPTION('dmapi', default=False, help="build with DMAPI support")
  45     opt.SAMBA3_ADD_OPTION('profiling-data', default=False)
  46
  47     opt.SAMBA3_ADD_OPTION('cluster-support', default=None)
  48
  49     opt.add_option('--with-ctdb-dir',
  50                    help=("Directory under which ctdb is installed"),
  51                    action="store", dest='ctdb_dir', default=None)
  52     opt.add_option('--enable-old-ctdb',
  53                   help=("enable building against (too) old version of ctdb (default=false)"),
  54                   action="store_true", dest='enable_old_ctdb', default=False)
  55
  56
  57
  58 def configure(conf):
  59     from samba_utils import TO_LIST
  60
  61     default_static_modules = []
  62     default_shared_modules = []
  63
  64     if Options.options.developer:
  65         conf.ADD_CFLAGS('-DDEVELOPER -DDEBUG_PASSWORD')
  66         conf.env.developer = True
  67
  68     if Options.options.with_swat:
  69         conf.env['build_swat'] = True
  70
  71     if sys.platform != 'openbsd5':
  72         conf.ADD_LDFLAGS("-Wl,--export-dynamic", testflags=True)
  73
  74     conf.CHECK_HEADERS('execinfo.h libexc.h libunwind.h netdb.h')
  75     conf.CHECK_HEADERS('linux/falloc.h')
  76
  77     conf.CHECK_FUNCS('getcwd fchown chmod fchmod mknod')
  78     conf.CHECK_FUNCS('strtol strchr strupr chflags')
  79     conf.CHECK_FUNCS('getrlimit fsync fdatasync setpgid')
  80     conf.CHECK_FUNCS('setsid glob strpbrk crypt16 getauthuid')
  81     conf.CHECK_FUNCS('sigprocmask sigblock sigaction sigset innetgr')
  82     conf.CHECK_FUNCS('initgroups select poll rdchk getgrnam getgrent pathconf')
  83     conf.CHECK_FUNCS('setpriv setgidx setuidx setgroups syscall sysconf')
  84     conf.CHECK_FUNCS('atexit grantpt fallocate posix_fallocate')
  85     conf.CHECK_FUNCS('fseeko setluid')
  86     conf.CHECK_FUNCS('getpwnam', headers='sys/types.h pwd.h')
  87     conf.CHECK_FUNCS('fdopendir')
  88     conf.CHECK_FUNCS('getpwent_r setenv strcasecmp fcvt fcvtl')
  89     conf.CHECK_FUNCS('syslog vsyslog timegm setlocale')
  90     conf.CHECK_FUNCS_IN('nanosleep', 'rt')
  91     conf.CHECK_FUNCS('lutimes futimes utimensat futimens')
  92     conf.CHECK_FUNCS('mlock munlock mlockall munlockall')
  93     conf.CHECK_FUNCS('memalign posix_memalign hstrerror')
  94     conf.CHECK_FUNCS('shmget')
  95     conf.CHECK_FUNCS_IN('shm_open', 'rt', checklibc=True)
  96     conf.CHECK_FUNCS('gettext dgettext bindtextdomain textdomain bind_textdomain_codeset')
  97     #FIXME: for some reason this one still fails
  98     conf.CHECK_FUNCS_IN('yp_get_default_domain', 'nsl')
  99     conf.CHECK_FUNCS_IN('dn_expand _dn_expand __dn_expand', 'resolv')
 100     conf.CHECK_FUNCS_IN('dn_expand', 'inet')
 101     conf.CHECK_DECLS('fdatasync', reverse=True)
 102     conf.CHECK_DECLS('readahead', reverse=True, headers='fcntl.h')
 103
 104     if conf.CONFIG_SET('HAVE_LONG_LONG'):
 105         conf.DEFINE('HAVE_LONGLONG', 1)
 106
 107     if conf.CHECK_CODE('''
 108 #if defined(HAVE_UNISTD_H)
 109 #include <unistd.h>
 110 #endif
 111 long ret = splice(0,0,1,0,400,SPLICE_F_MOVE);
 112 ''',
 113         'HAVE_LINUX_SPLICE',
 114         headers='fcntl.h'):
 115         conf.CHECK_DECLS('splice', reverse=True, headers='fcntl.h')
 116
 117     # Check for inotify support
 118     conf.CHECK_HEADERS('sys/inotify.h')
 119     if "HAVE_SYS_INOTIFY_H" in conf.env:
 120         conf.DEFINE('HAVE_INOTIFY', 1)
 121
 122     # Check for kernel change notify support
 123     conf.CHECK_CODE('''
 124 #ifndef F_NOTIFY
 125 #define F_NOTIFY 1026
 126 #endif
 127 main() {
 128         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
 129 }''', 'HAVE_KERNEL_CHANGE_NOTIFY', addmain=False, execute=True,
 130         headers='fcntl.h signal.h',
 131         msg="Checking for kernel change notify support")
 132
 133     # Check for Linux kernel oplocks
 134     conf.CHECK_CODE('''
 135 #include <sys/types.h>
 136 #include <fcntl.h>
 137 #include <signal.h>
 138 #ifndef F_NOTIFY
 139 #define F_NOTIFY 1026
 140 #endif
 141 main() {
 142         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
 143 }''', 'HAVE_KERNEL_OPLOCKS_LINUX', addmain=False, execute=True,
 144         msg="Checking for Linux kernel oplocks")
 145
 146     # Check for IRIX kernel oplock types
 147     conf.CHECK_CODE('oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;',
 148                     'HAVE_KERNEL_OPLOCKS_IRIX', headers='fcntl.h',
 149                     msg="Checking for IRIX kernel oplock types")
 150
 151     # Check for kernel share modes
 152     conf.CHECK_CODE('''
 153 #include <sys/types.h>
 154 #include <fcntl.h>
 155 #include <signal.h>
 156 #include <sys/file.h>
 157 #ifndef LOCK_MAND
 158 #define LOCK_MAND        32
 159 #define LOCK_READ        64
 160 #endif
 161 main() {
 162         exit(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
 163 }''', 'HAVE_KERNEL_SHARE_MODES', addmain=False, execute=True,
 164         msg="Checking for krenel share modes")
 165
 166     # check for DMAPI libs
 167     Logs.info("Checking for DMAPI library existence")
 168     conf.env['dmapi_lib'] = ''
 169     samba_dmapi_lib = ''
 170     if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'dm'):
 171         samba_dmapi_lib = 'dm'
 172     else:
 173         if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'jfsdm'):
 174             samba_dmapi_lib = 'jfsdm'
 175         else:
 176             if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'dmapi'):
 177                 samba_dmapi_lib = 'dmapi'
 178             else:
 179                 if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'xdsm'):
 180                     samba_dmapi_lib = 'xdsm'
 181     # only bother to test headers and compilation when a candidate
 182     # library has been found
 183     if Options.options.with_dmapi == True and samba_dmapi_lib == '':
 184         conf.fatal('DMAPI support requested, but no suitable DMAPI library found')
 185     else:
 186         conf.CHECK_HEADERS('sys/dmi.h xfs/dmapi.h sys/jfsdmapi.h sys/dmapi.h dmapi.h')
 187         conf.CHECK_CODE('''
 188 #include <time.h>      /* needed by Tru64 */
 189 #include <sys/types.h> /* needed by AIX */
 190 #ifdef HAVE_XFS_DMAPI_H
 191 #include <xfs/dmapi.h>
 192 #elif defined(HAVE_SYS_DMI_H)
 193 #include <sys/dmi.h>
 194 #elif defined(HAVE_SYS_JFSDMAPI_H)
 195 #include <sys/jfsdmapi.h>
 196 #elif defined(HAVE_SYS_DMAPI_H)
 197 #include <sys/dmapi.h>
 198 #elif defined(HAVE_DMAPI_H)
 199 #include <dmapi.h>
 200 #endif
 201
 202 /* This link test is designed to fail on IRI 6.4, but should
 203  * succeed on Linux, IRIX 6.5 and AIX.
 204  */
 205 int main(int argc, char **argv)
 206 {
 207         char * version;
 208         dm_eventset_t events;
 209         /* This doesn't take an argument on IRIX 6.4. */
 210         dm_init_service(&version);
 211         /* IRIX 6.4 expects events to be a pointer. */
 212         DMEV_ISSET(DM_EVENT_READ, events);
 213
 214         return 0;
 215 }
 216 ''',
 217         'USE_DMAPI',
 218         addmain=False,
 219         execute=False,
 220         lib=samba_dmapi_lib,
 221         msg='Checking whether DMAPI lib '+samba_dmapi_lib+' can be used')
 222
 223         if conf.CONFIG_SET('USE_DMAPI'):
 224             conf.env['dmapi_lib'] = samba_dmapi_lib
 225         else:
 226             if Options.options.with_dmapi == True:
 227                 conf.fatal('DMAPI support requested but not found');
 228
 229     # Check for various members of the stat structure
 230     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blocks', define='HAVE_STAT_ST_BLOCKS',
 231                                 headers='sys/stat.h')
 232     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blksize', define='HAVE_STAT_ST_BLKSIZE',
 233                                 headers='sys/stat.h')
 234     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_flags', define='HAVE_STAT_ST_FLAGS',
 235                                 headers='sys/types.h sys/stat.h unistd.h')
 236
 237     if "HAVE_BLKCNT_T" in conf.env:
 238         conf.CHECK_CODE('''
 239         return sizeof(blkcnt_t) == 4 ? 0 : 1''',
 240                 'SIZEOF_BLKCNT_T_4', execute=True,
 241                 headers='replace.h sys/types.h sys/stat.h unistd.h',
 242                 msg="Checking whether blkcnt_t is 32 bit")
 243
 244     if "HAVE_BLKCNT_T" in conf.env:
 245         conf.CHECK_CODE('''
 246         return sizeof(blkcnt_t) == 8 ? 0 : 1''',
 247                 'SIZEOF_BLKCNT_T_8', execute=True,
 248                 headers='replace.h sys/types.h sys/stat.h unistd.h',
 249                 msg="Checking whether blkcnt_t is 64 bit")
 250
 251     # Check for POSIX capability support
 252     conf.CHECK_FUNCS_IN('cap_get_proc', 'cap', headers='sys/capability.h')
 253
 254     if "HAVE_SYS_CAPABILITY_H" in conf.env:
 255         conf.CHECK_CODE('''
 256         cap_t cap;
 257         cap_value_t vals[1];
 258         if (!(cap = cap_get_proc())) exit(1);
 259         vals[0] = CAP_CHOWN;
 260         cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
 261         cap_set_proc(cap);''',
 262                         'HAVE_POSIX_CAPABILITIES', execute=True, lib="cap",
 263                         headers='sys/capability.h',
 264                         msg="Checking whether POSIX capabilities are available")
 265
 266     # Check for int16, uint16, int32 and uint32 in rpc/types.h included from
 267     # rpc/rpc.h. This is *really* broken but some systems (DEC OSF1) do this.
 268     # -- JRA.
 269     if conf.CONFIG_SET("HAVE_RPC_RPC_H"):
 270         conf.CHECK_TYPE('int16', headers='rpc/rpc.h',
 271                         define='HAVE_INT16_FROM_RPC_RPC_H',
 272                         msg="Checking for int16 typedef included by rpc/rpc.h")
 273         conf.CHECK_CODE('uint16 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
 274                         headers='sys/types.h rpc/rpc.h',
 275                         msg="Checking for uint16 typedef included by rpc/rpc.h")
 276         conf.CHECK_CODE('int32 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
 277                         headers='sys/types.h rpc/rpc.h',
 278                         msg="Checking for int32 typedef included by rpc/rpc.h")
 279         conf.CHECK_CODE('uint32 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
 280                         headers='sys/types.h rpc/rpc.h',
 281                         msg="Checking for uint32 typedef included by rpc/rpc.h")
 282     conf.CHECK_CODE('int i;', 'BROKEN_NISPLUS_INCLUDE_FILES',
 283                     headers='sys/types.h sys/acl.h rpcsvc/nis.h',
 284                     msg="Checking for broken nisplus include files")
 285
 286     # Check if the compiler will optimize out functions
 287     conf.CHECK_CODE('''
 288 if (0) {
 289     this_function_does_not_exist();
 290 } else {
 291     return 1;
 292 }''', 'HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS',
 293         msg="Checking if the compiler will optimize out functions")
 294
 295     # Check if the compiler supports the LL suffix on long long integers
 296     # AIX needs this
 297     conf.CHECK_CODE('long long i = 0x8000000000LL', 'COMPILER_SUPPORTS_LL',
 298                     headers='stdio.h',
 299                     msg="Checking for LL suffix on long long integers")
 300
 301     conf.CHECK_FUNCS('''
 302 _acl __acl atexit
 303 bindtextdomain _chdir __chdir chflags chmod _close __close _closedir
 304 __closedir crypt16 devnm dgettext dirfd
 305 DNSServiceRegister _dup __dup _dup2 __dup2 endmntent execl
 306 _facl __facl _fchdir
 307 __fchdir fchmod fchown _fcntl __fcntl fcvt fcvtl fdatasync
 308 _fork __fork fseeko
 309 fsetxattr _fstat __fstat fsync
 310 futimens futimes __fxstat getauthuid
 311 getcwd _getcwd __getcwd getdents __getdents getdirentries
 312 getgrent getgrnam getgrouplist getgrset getmntent getpagesize
 313 getpwanam getpwent_r getrlimit gettext
 314 glob grantpt hstrerror initgroups innetgr
 315 llseek _llseek __llseek _lseek __lseek
 316 _lstat __lstat lutimes
 317 __lxstat memalign mknod mlock mlockall munlock munlockall
 318 _open __open _opendir __opendir
 319 pathconf poll posix_fallocate
 320 posix_memalign prctl pread _pread __pread
 321 pwrite _pwrite __pwrite
 322 rdchk _read __read _readdir __readdir
 323 _seekdir __seekdir
 324 select setenv setgidx setgroups setlocale setluid
 325 setmntent setpgid setpriv setsid setuidx
 326 shmget shm_open sigaction sigblock sigprocmask sigset
 327 _stat __stat statvfs
 328 strcasecmp strchr strpbrk strsignal strtol strupr sysconf sysctl sysctlbyname
 329 __sys_llseek syslog _telldir __telldir textdomain timegm
 330 utimensat vsyslog _write __write __xstat
 331 ''')
 332
 333     conf.CHECK_CODE('''
 334 #ifdef HAVE_SYS_PRCTL_H
 335 #include <sys/prctl.h>
 336 #endif
 337 int i; i = prtcl(0);
 338 ''',
 339                     'HAVE_PRCTL', link=False)
 340
 341     conf.CHECK_SAMBA3_CHARSET() # see build/charset.py
 342
 343     # FIXME: these should be tests for features, but the old build system just
 344     # checks for OSes.
 345     host_os = sys.platform
 346     Logs.info("building on %s" % host_os)
 347
 348     # Python doesn't have case switches... :/
 349     # FIXME: original was *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu | *qnx*)
 350     # the search for .rfind('gnu') covers gnu* and *-gnu is that too broad?
 351
 352     conf.SET_TARGET_TYPE('sunacl', 'EMPTY')
 353     if (host_os.rfind('linux') > -1) or (host_os.rfind('gnu') > -1) or (host_os.rfind('qnx') > -1):
 354         if host_os.rfind('linux') > -1:
 355             conf.DEFINE('LINUX', '1')
 356         elif host_os.rfind('qnx') > -1:
 357             conf.DEFINE('QNX', '1')
 358         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 359     elif (host_os.rfind('darwin') > -1):
 360         conf.DEFINE('DARWINOS', 1)
 361         conf.ADD_CFLAGS('-fno-common')
 362         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 363     elif (host_os.rfind('freebsd') > -1):
 364         conf.DEFINE('FREEBSD', 1)
 365         if conf.CHECK_HEADERS('sunacl.h'):
 366             conf.DEFINE('HAVE_FREEBSD_SUNACL_H', '1')
 367             conf.CHECK_FUNCS_IN('acl', 'sunacl')
 368         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 369     elif (host_os.rfind('irix') > -1):
 370         conf.DEFINE('IRIX', 1)
 371         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 372     elif (host_os.rfind('aix') > -1):
 373         conf.DEFINE('AIX', 1)
 374         conf.DEFINE('STAT_ST_BLOCKSIZE', 'DEV_BSIZE')
 375     elif (host_os.rfind('hpux') > -1):
 376         conf.DEFINE('HPUX', 1)
 377         conf.DEFINE('STAT_ST_BLOCKSIZE', '8192')
 378     elif (host_os.rfind('osf') > -1):
 379         conf.DEFINE('OSF1', 1)
 380         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 381
 382     # FIXME: Add more checks here.
 383     else:
 384         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 385
 386     if Options.options.with_acl_support:
 387         if (host_os.rfind('sysv5') > -1) and conf.CHECK_FUNCS_IN('sec', 'facl', checklibc=True):
 388                 Logs.info('Using UnixWare ACLs')
 389                 conf.DEFINE('HAVE_UNIXWARE_ACLS',1)
 390                 default_static_modules.extend(TO_LIST('vfs_solarisacl'))
 391         elif (host_os.rfind('solaris') > -1) and conf.CHECK_FUNCS_IN('sec', 'facl'):
 392                 Logs.info('Using solaris ACLs')
 393                 conf.DEFINE('HAVE_SOLARIS_ACLS',1)
 394                 default_static_modules.extend(TO_LIST('vfs_solarisacl'))
 395         elif (host_os.rfind('hpux') > -1):
 396                 Logs.info('Using HPUX ACLs')
 397                 conf.DEFINE('HAVE_HPUX_ACLS',1)
 398                 conf.DEFINE('POSIX_ACL_NEEDS_MASK',1)
 399                 default_static_modules.extend(TO_LIST('vfs_hpuxacl'))
 400         elif (host_os.rfind('aix') > -1):
 401                 Logs.info('Using AIX ACLs')
 402                 conf.DEFINE('HAVE_AIX_ACLS',1)
 403                 default_static_modules.extend(TO_LIST('vfs_aixacl'))
 404         elif (host_os.rfind('osf') > -1) and conf.CHECK_FUNCS_IN('pacl', 'acl_get_fd'):
 405                 Logs.info('Using Tru64 ACLs')
 406                 conf.DEFINE('HAVE_TRU64_ACLS',1)
 407                 default_static_modules.extend(TO_LIST('vfs_tru64acl'))
 408         elif (host_os.rfind('darwin') > -1):
 409             Logs.warn('ACLs on Dwarwin currently not supported')
 410         else:
 411             conf.CHECK_FUNCS_IN('acl_get_file', 'acl')
 412             if conf.CHECK_CODE('''
 413 acl_t acl;
 414 int entry_id;
 415 acl_entry_t *entry_p;
 416 return acl_get_entry(acl, entry_id, entry_p);
 417 ''',
 418                         'HAVE_POSIX_ACLS',
 419                         headers='sys/types.h sys/acl.h', link=False,
 420                         msg="Checking for POSIX ACL support") :
 421                 conf.CHECK_CODE('''
 422 acl_permset_t permset_d;
 423 acl_perm_t perm;
 424 return acl_get_perm_np(permset_d, perm);
 425 ''',
 426                         'HAVE_ACL_GET_PERM_NP',
 427                         headers='sys/types.h sys/acl.h', link=True,
 428                         msg="Checking whether acl_get_perm_np() is available")
 429                 default_static_modules.extend(TO_LIST('vfs_posixacl'))
 430
 431
 432     if conf.CHECK_FUNCS('dirfd'):
 433         conf.DEFINE('HAVE_DIRFD_DECL', 1)
 434
 435     conf.CHECK_CODE('struct statfs fsd; fsid_t fsid = fsd.f_fsid; return statfs(".", &fsd);',
 436                     'HAVE_STATFS_F_FSID',
 437                     msg="vfs_fileid: checking for statfs() and struct statfs.f_fsid",
 438                     headers='sys/types.h sys/statfs.h',
 439                     execute=True)
 440
 441     if conf.CONFIG_SET('HAVE_FALLOCATE'):
 442         conf.CHECK_CODE('''
 443                 int ret = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 10);''',
 444                 'HAVE_LINUX_FALLOCATE',
 445                 msg="Checking whether the Linux 'fallocate' function is available",
 446                 headers='unistd.h sys/types.h fcntl.h linux/falloc.h')
 447     conf.CHECK_CODE('''
 448                 ssize_t err = readahead(0,0,0x80000);''',
 449                 'HAVE_LINUX_READAHEAD',
 450                 msg="Checking whether Linux readahead is available",
 451                 headers='unistd.h fcntl.h')
 452     conf.CHECK_DECLS('readahead', headers='fcntl.h', always=True)
 453
 454     conf.CHECK_CODE('int fd = openat(AT_FDCWD, ".", O_RDONLY);',
 455                 'HAVE_OPENAT',
 456                 msg='Checking for openat',
 457                 headers='fcntl.h')
 458
 459     if Options.options.with_aio_support:
 460         conf.CHECK_FUNCS_IN('aio_read', 'aio')
 461         conf.CHECK_FUNCS_IN('aio_read', 'rt')
 462         conf.CHECK_CODE('struct aiocb a; return aio_read(&a);',
 463                         'HAVE_AIO',
 464                         msg='Checking for asynchronous io support',
 465                         headers='sys/types.h aio.h',
 466                         lib='aio rt')
 467         if conf.CONFIG_SET('HAVE_AIO'):
 468             conf.CHECK_CODE('struct aiocb a; return aio_read(&a);', 'HAVE_AIO_READ', msg='Checking for aio_read', headers='aio.h', lib='aio rt')
 469             conf.CHECK_CODE('struct aiocb a; return aio_write(&a);', 'HAVE_AIO_WRITE', msg='Checking for aio_write', headers='aio.h', lib='aio rt')
 470             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')
 471             conf.CHECK_CODE('struct aiocb a; return aio_return(&a);', 'HAVE_AIO_RETURN', msg='Checking for aio_return', headers='aio.h', lib='aio rt')
 472             conf.CHECK_CODE('struct aiocb a; return aio_error(&a);', 'HAVE_AIO_ERROR', msg='Checking for aio_error', headers='aio.h', lib='aio rt')
 473             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')
 474             conf.CHECK_CODE('struct aiocb a; return aio_suspend(&a, 1, NULL);', 'HAVE_AIO_SUSPEND', msg='Checking for aio_suspend', headers='aio.h', lib='aio rt')
 475         if not conf.CONFIG_SET('HAVE_AIO'):
 476             conf.DEFINE('HAVE_NO_AIO', '1')
 477     else:
 478         conf.DEFINE('HAVE_NO_AIO', '1')
 479
 480     if host_os.rfind('linux') > -1:
 481         conf.CHECK_FUNCS_IN('io_submit', 'aio')
 482         conf.CHECK_CODE('''
 483 struct io_event ioev;
 484 struct iocb *ioc;
 485 io_context_t ctx;
 486 struct timespec ts;
 487 int fd;
 488 char *buf;
 489 fd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
 490 io_queue_init(128,&ctx);
 491 io_prep_pwrite(ioc, 1, buf, 1, 0);
 492 io_prep_pread(ioc, 1, buf, 1, 0);
 493 io_set_eventfd(ioc, fd);
 494 io_set_callback(ioc, (io_callback_t)(0));
 495 io_submit(ctx, 1, &ioc);
 496 io_getevents(ctx, 1, 1, &ioev, &ts);
 497 ''',
 498                         'HAVE_LINUX_KERNEL_AIO',
 499                         msg='Checking for linux kernel asynchronous io support',
 500                         headers='unistd.h stdlib.h sys/types.h fcntl.h sys/eventfd.h libaio.h',
 501                         lib='aio')
 502
 503     conf.CHECK_CODE('''
 504 struct msghdr msg;
 505 union {
 506         struct cmsghdr cm;
 507         char control[CMSG_SPACE(sizeof(int))];
 508 } control_un;
 509 msg.msg_control = control_un.control;
 510 msg.msg_controllen = sizeof(control_un.control);
 511 ''',
 512         'HAVE_MSGHDR_MSG_CONTROL',
 513         msg='Checking if we can use msg_control for passing file descriptors',
 514         headers='sys/types.h stdlib.h stddef.h sys/socket.h sys/un.h')
 515     conf.CHECK_CODE('''
 516 struct msghdr msg;
 517 int fd;
 518 msg.msg_acctrights = (caddr_t) &fd;
 519 msg.msg_acctrightslen = sizeof(fd);
 520 ''',
 521         'HAVE_MSGHDR_MSG_ACCTRIGHTS',
 522         msg='Checking if we can use msg_acctrights for passing file descriptors',
 523         headers='sys/types.h stdlib.h stddef.h sys/socket.h sys/un.h')
 524
 525     if Options.options.with_winbind:
 526         conf.env.build_winbind = True
 527         conf.DEFINE('WITH_WINBIND', '1')
 528
 529     conf.find_program('awk', var='AWK')
 530     conf.find_program('perl', var='PERL')
 531
 532     conf.CHECK_HEADERS('asm/types.h')
 533
 534     conf.CHECK_CODE('dev_t dev; int i = major(dev); return 0', "HAVE_DEVICE_MAJOR_FN",
 535                     headers='unistd.h sys/types.h',
 536                     msg="Checking for major macro")
 537
 538     conf.CHECK_CODE('dev_t dev; int i = minor(dev); return 0', "HAVE_DEVICE_MINOR_FN",
 539                     headers='unistd.h sys/types.h',
 540                     msg="Checking for minor macro")
 541
 542     conf.CHECK_STRUCTURE_MEMBER('struct dirent', 'd_off',
 543                                 headers='unistd.h sys/types.h dirent.h',
 544                                 define='HAVE_DIRENT_D_OFF')
 545
 546     conf.CHECK_FUNCS('setnetgrent getnetgrent endnetgrent')
 547     if conf.CHECK_CFLAGS('-Werror-implicit-function-declaration'):
 548         netgrent_cflags = '-Werror-implicit-function-declaration'
 549     else:
 550         netgrent_cflags = ''
 551     conf.CHECK_CODE('setnetgrent("foo")', 'HAVE_SETNETGRENT_PROTOTYPE',
 552                     msg="Checking for setnetgrent prototype",
 553                     headers='netdb.h netgroup.h',
 554                     cflags=netgrent_cflags)
 555     conf.CHECK_CODE('getnetgrent', 'HAVE_GETNETGRENT_PROTOTYPE',
 556                     msg="Checking for getnetgrent prototype",
 557                     headers='netdb.h netgroup.h',
 558                     cflags=netgrent_cflags)
 559     conf.CHECK_CODE('endnetgrent', 'HAVE_ENDNETGRENT_PROTOTYPE',
 560                     msg="Checking for endnetgrent prototype",
 561                     headers='netdb.h netgroup.h',
 562                     cflags=netgrent_cflags)
 563
 564
 565     # Look for CUPS
 566     if Options.options.with_cups:
 567         conf.find_program('cups-config', var='CUPS_CONFIG')
 568         if conf.env.CUPS_CONFIG:
 569             # we would normally use --libs here, but cups-config incorrectly adds
 570             # gssapi_krb5 and other libraries to its --libs output. That breaks the use
 571             # of an in-tree heimdal kerberos
 572             conf.check_cfg(path=conf.env.CUPS_CONFIG, args="--cflags --ldflags",
 573                            package="", uselib_store="CUPS")
 574         conf.CHECK_HEADERS('cups/cups.h cups/language.h', lib='cups')
 575         conf.CHECK_FUNCS_IN('httpConnect httpConnectEncrypt', 'cups')
 576         if conf.CONFIG_SET('HAVE_CUPS_CUPS_H') and conf.CONFIG_SET('HAVE_CUPS_LANGUAGE_H'):
 577             conf.DEFINE('HAVE_CUPS', '1')
 578         else:
 579             conf.undefine('HAVE_CUPS')
 580             conf.SET_TARGET_TYPE('cups', 'EMPTY')
 581     else:
 582         # define an empty subsystem for cups, to allow it to be used as an empty dependency
 583         conf.SET_TARGET_TYPE('cups', 'EMPTY')
 584
 585     if Options.options.with_iprint:
 586         if conf.CONFIG_SET('HAVE_CUPS'):
 587             conf.DEFINE('HAVE_IPRINT', '1')
 588         else:
 589             Logs.warn("--enable-iprint=yes but cups support not sufficient")
 590     if Options.options.with_syslog:
 591         conf.DEFINE('WITH_SYSLOG', '1')
 592     if Options.options.with_automount:
 593         conf.DEFINE('WITH_AUTOMOUNT', '1')
 594
 595     # Check for LDAP
 596     if Options.options.with_ldap:
 597         conf.CHECK_HEADERS('ldap.h lber.h ldap_pvt.h')
 598         conf.CHECK_TYPE('ber_tag_t', 'unsigned int', headers='ldap.h lber.h')
 599         conf.CHECK_FUNCS_IN('ber_scanf ber_sockbuf_add_io', 'lber')
 600         conf.CHECK_VARIABLE('LDAP_OPT_SOCKBUF', headers='ldap.h')
 601
 602         # if we LBER_OPT_LOG_PRINT_FN we can intercept ldap logging and print it out
 603         # for the samba logs
 604         conf.CHECK_VARIABLE('LBER_OPT_LOG_PRINT_FN',
 605                             define='HAVE_LBER_LOG_PRINT_FN', headers='lber.h')
 606
 607         conf.CHECK_FUNCS_IN('ldap_init ldap_init_fd ldap_initialize ldap_set_rebind_proc', 'ldap')
 608         conf.CHECK_FUNCS_IN('ldap_add_result_entry', 'ldap')
 609
 610         # Check if ldap_set_rebind_proc() takes three arguments
 611         if conf.CHECK_CODE('ldap_set_rebind_proc(0, 0, 0)',
 612                            'LDAP_SET_REBIND_PROC_ARGS',
 613                            msg="Checking whether ldap_set_rebind_proc takes 3 arguments",
 614                            headers='ldap.h lber.h', link=False):
 615             conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '3')
 616         else:
 617             conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '2')
 618
 619         # last but not least, if ldap_init() exists, we want to use ldap
 620         if conf.CONFIG_SET('HAVE_LDAP_INIT') and conf.CONFIG_SET('HAVE_LDAP_H'):
 621             conf.DEFINE('HAVE_LDAP', '1')
 622             conf.DEFINE('LDAP_DEPRECATED', '1')
 623             conf.env['HAVE_LDAP'] = '1'
 624             # if ber_sockbuf_add_io() and LDAP_OPT_SOCKBUF are available, we can add
 625             # SASL wrapping hooks
 626             if conf.CONFIG_SET('HAVE_BER_SOCKBUF_ADD_IO') and \
 627                     conf.CONFIG_SET('HAVE_LDAP_OPT_SOCKBUF'):
 628                 conf.DEFINE('HAVE_LDAP_SASL_WRAPPING', '1')
 629     else:
 630         conf.SET_TARGET_TYPE('ldap', 'EMPTY')
 631         conf.SET_TARGET_TYPE('lber', 'EMPTY')
 632
 633     if Options.options.with_ads:
 634         use_ads=True
 635         if not conf.CONFIG_SET('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5') and \
 636            not conf.CONFIG_SET('HAVE_ENCTYPE_ARCFOUR_HMAC'):
 637             Logs.warn("arcfour-hmac-md5 encryption type not found in -lkrb5")
 638             use_ads=False
 639         if not conf.CONFIG_SET('HAVE_KRB5_MK_REQ_EXTENDED'):
 640             Logs.warn("krb5_mk_req_extended not found in -lkrb5")
 641             use_ads=False
 642         if not conf.CONFIG_SET('HAVE_KRB5_GET_HOST_REALM'):
 643             Logs.warn("krb5_get_host_realm not found in -lkrb5")
 644             use_ads=False
 645         if not conf.CONFIG_SET('HAVE_KRB5_FREE_HOST_REALM'):
 646             Logs.warn("krb5_free_host_realm not found in -lkrb5")
 647             use_ads=False
 648         if not conf.CONFIG_SET('HAVE_KRB5_FWD_TGT_CREDS'):
 649             Logs.warn("krb5_fwd_tgt_creds found in -lkrb5")
 650             use_ads=False
 651         if not conf.CONFIG_SET('HAVE_KRB5_GET_INIT_CREDS_OPT_ALLOC'):
 652             Logs.warn("krb5_get_init_creds_opt_alloc not found in -lkrb5")
 653             use_ads=False
 654         if not conf.CONFIG_SET('KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT'):
 655             Logs.warn("krb5_get_init_creds_opt_free was not found or was too old in -lkrb5")
 656             use_ads=False
 657         if not conf.CONFIG_SET('HAVE_KRB5_GET_RENEWED_CREDS'):
 658             Logs.warn("krb5_get_renewed_creds not found in -lkrb5")
 659             use_ads=False
 660         if not conf.CONFIG_SET('HAVE_KRB5_PRINCIPAL_COMPARE_ANY_REALM'):
 661             Logs.warn("krb5_principal_compare_any_realm not found in -lkrb5")
 662             use_ads=False
 663         if not conf.CONFIG_SET('HAVE_KRB5_C_STRING_TO_KEY') and \
 664            not conf.CONFIG_SET('HAVE_KRB5_STRING_TO_KEY_SALT'):
 665             Logs.warn("krb5_c_string_to_key not found in -lkrb5")
 666             use_ads=False
 667         if not conf.CONFIG_SET('HAVE_KRB5_PRINCIPAL2SALT') and \
 668            not conf.CONFIG_SET('HAVE_KRB5_GET_PW_SALT'):
 669             Logs.warn("no CREATE_KEY_FUNCTIONS detected")
 670             use_ads=False
 671         if not conf.CONFIG_SET('HAVE_KRB5_GET_PERMITTED_ENCTYPES') and \
 672            not conf.CONFIG_SET('HAVE_KRB5_GET_DEFAULT_IN_TKT_ETYPES'):
 673             Logs.warn("no GET_ENCTYPES_FUNCTIONS detected")
 674             use_ads=False
 675         if not conf.CONFIG_SET('HAVE_KRB5_KT_FREE_ENTRY') and \
 676            not conf.CONFIG_SET('HAVE_KRB5_FREE_KEYTAB_ENTRY_CONTENTS'):
 677             Logs.warn("no KT_FREE_FUNCTION detected")
 678             use_ads=False
 679         if not conf.CONFIG_SET('HAVE_KRB5_C_VERIFY_CHECKSUM'):
 680             Logs.warn("krb5_c_verify_checksum_compare not found in -lkrb5")
 681             use_ads=False
 682
 683         # We don't actually use
 684         # gsskrb5_extract_authz_data_from_sec_context, but it is a
 685         # clue that this Heimdal, which does the PAC processing we
 686         # need on the standard gss_inquire_sec_context_by_oid
 687         if not conf.CONFIG_SET('HAVE_GSS_GET_NAME_ATTRIBUTE') and \
 688             not (conf.CONFIG_SET('HAVE_GSSKRB5_EXTRACT_AUTHZ_DATA_FROM_SEC_CONTEXT') and \
 689                      conf.CONFIG_SET('HAVE_GSS_INQUIRE_SEC_CONTEXT_BY_OID')):
 690             Logs.warn("need eiterh gss_get_name_attribute or gsskrb5_extract_authz_data_from_sec_context and gss_inquire_sec_context_by_oid in -lgssapi for PAC support")
 691             use_ads=False
 692
 693         if not conf.CONFIG_SET('HAVE_GSS_KRB5_EXPORT_LUCID_SEC_CONTEXT'):
 694             Logs.warn("need gss_krb5_export_lucid_sec_context for SPNEGO and gss_wrap support")
 695             use_ads=False
 696
 697         if use_ads:
 698             conf.DEFINE('WITH_ADS', '1')
 699             conf.DEFINE('HAVE_KRB5', '1')
 700             if conf.CONFIG_SET('HAVE_LDAP'):
 701                 conf.env['HAVE_ADS'] = '1'
 702         else:
 703             Logs.warn("krb5 libs don't have all features required for Active Directory support")
 704             conf.undefine('HAVE_KRB5_H')
 705             conf.undefine('HAVE_GSSAPI_H')
 706             conf.undefine('HAVE_GSSAPI_GSSAPI_GENERIC_H')
 707             conf.undefine('HAVE_GSSAPI_GSSAPI_H')
 708
 709     if Options.options.with_utmp:
 710         conf.env.with_utmp = True
 711         if not conf.CHECK_HEADERS('utmp.h'): conf.env.with_utmp = False
 712         conf.CHECK_FUNCS('pututline pututxline updwtmp updwtmpx getutmpx getutxent')
 713         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_name', headers='utmp.h',
 714                                     define='HAVE_UT_UT_NAME')
 715         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_user', headers='utmp.h',
 716                                     define='HAVE_UT_UT_USER')
 717         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_id', headers='utmp.h',
 718                                     define='HAVE_UT_UT_ID')
 719         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_host', headers='utmp.h',
 720                                     define='HAVE_UT_UT_HOST')
 721         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_time', headers='utmp.h',
 722                                     define='HAVE_UT_UT_TIME')
 723         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_tv', headers='utmp.h',
 724                                     define='HAVE_UT_UT_TV')
 725         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_type', headers='utmp.h',
 726                                     define='HAVE_UT_UT_TYPE')
 727         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_pid', headers='utmp.h',
 728                                     define='HAVE_UT_UT_PID')
 729         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_exit.e_exit', headers='utmp.h',
 730                                     define='HAVE_UT_UT_EXIT')
 731         conf.CHECK_STRUCTURE_MEMBER('struct utmpx', 'ut_syslen', headers='utmpx.h',
 732                                     define='HAVE_UX_UT_SYSLEN')
 733         conf.CHECK_CODE('struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);',
 734                         'PUTUTLINE_RETURNS_UTMP', headers='utmp.h',
 735                         msg="Checking whether pututline returns pointer")
 736         conf.CHECK_SIZEOF(['((struct utmp *)NULL)->ut_line'], headers='utmp.h',
 737                           define='SIZEOF_UTMP_UT_LINE')
 738         if not conf.CONFIG_SET('SIZEOF_UTMP_UT_LINE'):
 739             conf.env.with_utmp = False
 740         elif int(conf.env.SIZEOF_UTMP_UT_LINE) < 15:
 741             conf.env.with_utmp = False
 742         if conf.env.with_utmp:
 743             conf.DEFINE('WITH_UTMP', 1)
 744         else:
 745             Logs.warn("--with-utmp but utmp support not sufficient")
 746
 747     if Options.options.with_avahi:
 748         conf.env.with_avahi = True
 749         if not conf.CHECK_HEADERS('avahi-common/watch.h avahi-client/client.h'): conf.env.with_avahi = False
 750         if not conf.CHECK_FUNCS_IN('avahi_client_new', 'avahi-client'): conf.env.with_avahi = False
 751         if not conf.CHECK_FUNCS_IN('avahi_strerror', 'avahi-common'): conf.env.with_avahi = False
 752         if conf.env.with_avahi:
 753             conf.DEFINE('WITH_AVAHI_SUPPORT', 1)
 754     else:
 755         conf.SET_TARGET_TYPE('avahi-common', 'EMPTY')
 756         conf.SET_TARGET_TYPE('avahi-client', 'EMPTY')
 757
 758     if Options.options.with_iconv:
 759         conf.env.with_iconv = True
 760         if not conf.CHECK_FUNCS_IN('iconv_open', 'iconv', headers='iconv.h'):
 761             conf.env.with_iconv = False
 762         if conf.env.with_iconv:
 763             conf.DEFINE('HAVE_ICONV', 1)
 764
 765     if Options.options.with_pam:
 766         use_pam=True
 767         conf.CHECK_HEADERS('security/pam_appl.h pam/pam_appl.h')
 768         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_APPL_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_APPL_H'):
 769             Logs.warn("--with-pam=yes but pam_appl.h not found")
 770             use_pam=False
 771         conf.CHECK_FUNCS_IN('pam_get_data', 'pam')
 772         conf.CHECK_HEADERS('security/pam_modules.h pam/pam_modules.h')
 773         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_MODULES_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_MODULES_H'):
 774             Logs.warn("--with-pam=yes but pam_modules.h not found")
 775             use_pam=False
 776         conf.CHECK_HEADERS('security/pam_ext.h security/_pam_macros.h')
 777         conf.CHECK_HEADERS('pam/pam_ext.h pam/_pam_macros.h')
 778         conf.CHECK_FUNCS_IN('pam_vsyslog', 'pam')
 779         conf.CHECK_CODE('''
 780 #if defined(HAVE_SECURITY_PAM_APPL_H)
 781 #include <security/pam_appl.h>
 782 #elif defined(HAVE_PAM_PAM_APPL_H)
 783 #include <pam/pam_appl.h>
 784 #endif
 785 pam_set_item(0, PAM_RHOST, 0);
 786 ''',
 787             'HAVE_PAM_RHOST',
 788             lib='pam',
 789             msg="Checking whether PAM_RHOST is available");
 790         conf.CHECK_CODE('''
 791 #if defined(HAVE_SECURITY_PAM_APPL_H)
 792 #include <security/pam_appl.h>
 793 #elif defined(HAVE_PAM_PAM_APPL_H)
 794 #include <pam/pam_appl.h>
 795 #endif
 796 pam_set_item(0, PAM_TTY, 0);
 797 ''',
 798             'HAVE_PAM_TTY',
 799             lib='pam',
 800             msg="Checking whether PAM_TTY is available");
 801         conf.CHECK_CODE('''
 802 #if (!defined(LINUX))
 803
 804 #define PAM_EXTERN extern
 805 #if defined(HAVE_SECURITY_PAM_APPL_H)
 806 #include <security/pam_appl.h>
 807 #elif defined(HAVE_PAM_PAM_APPL_H)
 808 #include <pam/pam_appl.h>
 809 #endif
 810
 811 #endif
 812
 813 #if defined(HAVE_SECURITY_PAM_MODULES_H)
 814 #include <security/pam_modules.h>
 815 #elif defined(HAVE_PAM_PAM_MODULES_H)
 816 #include <pam/pam_modules.h>
 817 #endif
 818
 819 #if defined(HAVE_SECURITY__PAM_MACROS_H)
 820 #include <security/_pam_macros.h>
 821 #elif defined(HAVE_PAM__PAM_MACROS_H)
 822 #include <pam/_pam_macros.h>
 823 #endif
 824
 825 #ifdef HAVE_SECURITY_PAM_EXT_H
 826 #include <security/pam_ext.h>
 827 #endif
 828
 829 int i; i = PAM_RADIO_TYPE;
 830 ''',
 831             'HAVE_PAM_RADIO_TYPE',
 832             lib='pam',
 833             msg="Checking whether PAM_RADIO_TYPE is available");
 834         if use_pam:
 835             conf.DEFINE('WITH_PAM', 1)
 836             conf.DEFINE('WITH_PAM_MODULES', 1)
 837
 838     if Options.options.with_pam_smbpass:
 839         conf.env.with_pam_smbpass = True
 840
 841     seteuid = False
 842
 843 #
 844 # Ensure we select the correct set of system calls on Linux.
 845 #
 846     if (host_os.rfind('linux') > -1):
 847         conf.CHECK_CODE('''
 848 #if defined(HAVE_UNISTD_H)
 849 #include <unistd.h>
 850 #endif
 851 #include <stdlib.h>
 852 #include <stdio.h>
 853 #include <sys/types.h>
 854 #include <errno.h>
 855
 856 #ifdef HAVE_SYS_PRIV_H
 857 #include <sys/priv.h>
 858 #endif
 859 #ifdef HAVE_SYS_ID_H
 860 #include <sys/id.h>
 861 #endif
 862
 863 #if defined(HAVE_SYSCALL_H)
 864 #include <syscall.h>
 865 #endif
 866
 867 #if defined(HAVE_SYS_SYSCALL_H)
 868 #include <sys/syscall.h>
 869 #endif
 870
 871 syscall(SYS_setresuid32, -1, -1, -1);
 872 syscall(SYS_setresgid32, -1, -1, -1);
 873 syscall(SYS_setreuid32, -1, -1);
 874 syscall(SYS_setregid32, -1, -1);
 875 syscall(SYS_setuid32, -1);
 876 syscall(SYS_setgid32, -1);
 877 syscall(SYS_setgroups32, 0, NULL);
 878 ''',
 879             'USE_LINUX_32BIT_SYSCALLS',
 880             msg="Checking whether Linux should use 32-bit credential calls");
 881
 882         if (conf.CONFIG_SET('USE_LINUX_32BIT_SYSCALLS')):
 883             seteuid = conf.CHECK_CODE('''
 884                                 #define AUTOCONF_TEST 1
 885                                 #define USE_LINUX_THREAD_CREDENTIALS 1
 886                                 #define USE_LINUX_32BIT_SYSCALLS 1
 887                                 #include "../lib/util/setid.c"
 888                                 #include "./lib/util_sec.c"
 889                                 ''',
 890                                 'USE_LINUX_THREAD_CREDENTIALS',
 891                                 addmain=False,
 892                                 execute=True,
 893                                 msg="Checking whether we can use Linux thread-specific credentials with 32-bit system calls")
 894         else:
 895             seteuid = conf.CHECK_CODE('''
 896                                 #define AUTOCONF_TEST 1
 897                                 #define USE_LINUX_THREAD_CREDENTIALS 1
 898                                 #include "../lib/util/setid.c"
 899                                 #include "./lib/util_sec.c"
 900                                 ''',
 901                                 'USE_LINUX_THREAD_CREDENTIALS',
 902                                 addmain=False,
 903                                 execute=True,
 904                                 msg="Checking whether we can use Linux thread-specific credentials")
 905     if not seteuid:
 906         seteuid = conf.CHECK_CODE('''
 907                                 #define AUTOCONF_TEST 1
 908                                 #define USE_SETREUID 1
 909                                 #include "../lib/util/setid.c"
 910                                 #include "./lib/util_sec.c"
 911                                 ''',
 912                                 'USE_SETREUID',
 913                                 addmain=False,
 914                                 execute=True,
 915                                 msg="Checking whether setreuid is available")
 916     if not seteuid:
 917         seteuid = conf.CHECK_CODE('''
 918                                 #define AUTOCONF_TEST 1
 919                                 #define USE_SETRESUID 1
 920                                 #include "../lib/util/setid.c"
 921                                 #include "./lib/util_sec.c"
 922                                 ''',
 923                                 'USE_SETRESUID',
 924                                 addmain=False,
 925                                 execute=True,
 926                                 msg="Checking whether setresuid is available")
 927     if not seteuid:
 928         seteuid = conf.CHECK_CODE('''
 929                                 #define AUTOCONF_TEST 1
 930                                 #define USE_SETEUID 1
 931                                 #include "../lib/util/setid.c"
 932                                 #include "./lib/util_sec.c"
 933                                 ''',
 934                                 'USE_SETEUID',
 935                                 addmain=False,
 936                                 execute=True,
 937                                 msg="Checking whether seteuid is available")
 938     if not seteuid:
 939         seteuid = conf.CHECK_CODE('''
 940                                 #define AUTOCONF_TEST 1
 941                                 #define USE_SETUIDX 1
 942                                 #include "../lib/util/setid.c"
 943                                 #include "./lib/util_sec.c"
 944                                 ''',
 945                                 'USE_SETUIDX',
 946                                 addmain=False,
 947                                 execute=True,
 948                                 mandatory=True,
 949                                 msg="Checking whether setuidx is available")
 950     if Options.options.with_dnsupdate:
 951         if not conf.CONFIG_SET('HAVE_KRB5'):
 952             Logs.warn("--with-dnsupdate=yes but gssapi support not sufficient")
 953         else:
 954             conf.DEFINE('WITH_DNS_UPDATES', 1)
 955     conf.CHECK_HEADERS('valgrind.h valgrind/valgrind.h valgrind/memcheck.h')
 956     if Options.options.developer:
 957         if conf.CONFIG_SET('HAVE_VALGRIND_H') or conf.CONFIG_SET('HAVE_VALGRIND_VALGRIND_H'):
 958             conf.DEFINE('VALGRIND', '1')
 959
 960     if conf.CHECK_CODE('''
 961 #include <bits/sockaddr.h>
 962 #include <linux/netlink.h>
 963 ''',
 964                 'HAVE_LINUX_NETLINK_H',
 965                 msg="Checking whether Linux netlink is available"):
 966
 967         conf.CHECK_CODE('''
 968 #include <bits/sockaddr.h>
 969 #include <linux/netlink.h>
 970 #include <linux/rtnetlink.h>
 971 ''',
 972                 'HAVE_LINUX_RTNETLINK_H',
 973                 msg='Checking whether Linux rtnetlink is available')
 974
 975     conf.CHECK_CODE('''
 976 #include "../tests/fcntl_lock.c"
 977 ''',
 978                 'HAVE_FCNTL_LOCK',
 979                 addmain=False,
 980                 execute=True,
 981                 msg='Checking whether fcntl locking is available')
 982
 983 # glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
 984     if not conf.CHECK_CODE('''
 985 #define _XOPEN_SOURCE 600
 986 #include <stdlib.h>
 987 #if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
 988 #error probably broken posix_fallocate
 989 #endif
 990 ''',
 991                            '_HAVE_UNBROKEN_POSIX_FALLOCATE',
 992                            msg='Checking for broken posix_fallocate'):
 993         conf.DEFINE('HAVE_BROKEN_POSIX_FALLOCATE', '1')
 994
 995
 996     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtim.tv_nsec',
 997                                 define='HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') # Linux, Solaris
 998     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimensec',
 999                                 define='HAVE_STRUCT_STAT_ST_MTIMENSEC') # BSD, if defined _POSIX_SOURCE
1000     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimespec.tv_nsec',
1001                                 define='HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') # BSD, if not defined _POSIX_SOURCE
1002     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtime_n',
1003                                 define='HAVE_STRUCT_STAT_ST_MTIME_N') # AIX
1004     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_umtime',
1005                                 define='HAVE_STRUCT_STAT_ST_UMTIME') # Tru64
1006     if conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') or \
1007        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMENSEC') or \
1008        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') or \
1009        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIME_N') or \
1010        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_UMTIME'):
1011         conf.DEFINE('HAVE_STAT_HIRES_TIMESTAMPS', '1')
1012
1013     # recent FreeBSD, NetBSD have creation timestamps called birthtime:
1014     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtime',
1015                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIME')
1016     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimespec.tv_nsec',
1017                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC')
1018     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimensec',
1019                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC')
1020
1021     conf.CHECK_CODE('''
1022 ssize_t err = posix_fadvise(0,0,0x80000,POSIX_FADV_WILLNEED);
1023 ''',
1024                 'HAVE_POSIX_FADVISE',
1025                 msg='Checking whether posix_fadvise is available',
1026                 headers='unistd.h fcntl.h')
1027
1028     for v in ['_SC_NGROUPS_MAX', '_SC_NPROC_ONLN', '_SC_NPROCESSORS_ONLN', '_SC_PAGESIZE' ]:
1029         conf.CHECK_CODE('''
1030                         #include <unistd.h>
1031                         return sysconf(%s) == -1 ? 1 : 0;
1032                         ''' % v,
1033                         'SYSCONF%s' % v,
1034                         msg='Checking whether sysconf(%s) is available' % v)
1035
1036     conf.CHECK_CODE('''
1037 #include <sys/syscall.h>
1038 #include <unistd.h>
1039 syscall(SYS_initgroups, 16, NULL, NULL, 0);
1040                     ''',
1041                     'HAVE_DARWIN_INITGROUPS',
1042                     msg='Checking whether to use the Darwin-specific initgroups system call')
1043
1044     conf.CHECK_CODE('''struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));''',
1045                     'HAVE_UTIMBUF',
1046                     headers='sys/types.h utime.h',
1047                     msg='Checking whether struct utimbuf is available')
1048
1049     if conf.CHECK_CODE('''struct sigevent s;''',
1050                     'HAVE_STRUCT_SIGEVENT',
1051                     headers='sys/types.h stdlib.h stddef.h signal.h',
1052                     msg='Checking whether we have the struct sigevent'):
1053         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sival_ptr',
1054                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIVAL_PTR',
1055                                     headers='signal.h');
1056         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sigval_ptr',
1057                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIGVAL_PTR',
1058                                     headers='signal.h');
1059
1060     if os.path.exists('/proc/sys/kernel/core_pattern'):
1061         conf.DEFINE('HAVE_SYS_KERNEL_PROC_CORE_PATTERN', '1')
1062
1063     if conf.CHECK_CODE('''
1064 #include <time.h>
1065 main() {
1066         struct tm *tm;
1067         if (sizeof(time_t) == 8) {
1068                 time_t max_time = 0x7fffffffffffffffll;
1069                 tm = gmtime(&max_time);
1070                 /* This should fail with 32-bit tm_year. */
1071                 if (tm == NULL) {
1072                         /* Max time_t that works with 32-bit int tm_year in struct tm. */
1073                         max_time = 67768036191676799ll;
1074                         tm = gmtime(&max_time);
1075                         if (tm) {
1076                                 exit(0);
1077                         }
1078                 }
1079         }
1080         exit(1);
1081 }''',
1082         '__TIME_T_MAX',
1083         addmain=False,
1084         execute=True,
1085         msg="Checking for the maximum value of the 'time_t' type"):
1086             conf.DEFINE('TIME_T_MAX', '67768036191676799ll')
1087
1088     conf.CHECK_CODE('''
1089 #if defined(HAVE_UNISTD_H)
1090 #include <unistd.h>
1091 #endif
1092 #include <sys/types.h>
1093 main() { dev_t dev = makedev(1,2); return 0; }
1094 ''',
1095         'HAVE_MAKEDEV',
1096         addmain=False,
1097         msg='Checking whether the macro for makedev is available')
1098
1099     conf.CHECK_CODE('''
1100 #include <stdio.h>
1101 #include <limits.h>
1102 #include <signal.h>
1103
1104 void exit_on_core(int ignored) {
1105         exit(1);
1106 }
1107
1108 main() {
1109         char *newpath;
1110         signal(SIGSEGV, exit_on_core);
1111         newpath = realpath("/tmp", NULL);
1112         exit((newpath != NULL) ? 0 : 1);
1113 }
1114 ''',
1115         'REALPATH_TAKES_NULL',
1116         addmain=False,
1117         execute=True,
1118         msg='Checking whether the realpath function allows a NULL argument')
1119
1120     conf.CHECK_CODE('''#include "../tests/ftruncate.c"''',
1121                     'HAVE_FTRUNCATE_EXTEND',
1122                     msg='Checking for ftruncate extend',
1123                     addmain=False,
1124                     execute=True)
1125
1126     if Options.options.with_sendfile_support:
1127         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):
1128             conf.CHECK_CODE('''
1129                             int tofd, fromfd;
1130                             off_t offset;
1131                             size_t total;
1132                             ssize_t nwritten = sendfile(tofd, fromfd, &offset, total);
1133                             ''',
1134                             '_HAVE_SENDFILE',
1135                             headers='sys/sendfile.h',
1136                             msg='Checking for linux sendfile support')
1137
1138             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1139                 conf.DEFINE('HAVE_SENDFILE', '1')
1140                 conf.DEFINE('LINUX_SENDFILE_API', '1')
1141                 conf.DEFINE('WITH_SENDFILE', '1')
1142         elif (host_os.rfind('freebsd') > -1) or (host_os.rfind('dragonfly') > -1):
1143             conf.CHECK_CODE('''
1144                             #include <sys/types.h>
1145                             #include <unistd.h>
1146                             #include <sys/socket.h>
1147                             #include <sys/uio.h>
1148                             int fromfd, tofd, ret, total=0;
1149                             off_t offset, nwritten;
1150                             struct sf_hdtr hdr;
1151                             struct iovec hdtrl;
1152                             hdr.headers = &hdtrl;
1153                             hdr.hdr_cnt = 1;
1154                             hdr.trailers = NULL;
1155                             hdr.trl_cnt = 0;
1156                             hdtrl.iov_base = NULL;
1157                             hdtrl.iov_len = 0;
1158                             ret = sendfile(fromfd, tofd, offset, total, &hdr, &nwritten, 0)
1159                             ''',
1160                             '_HAVE_SENDFILE',
1161                             msg='Checking for freebsd sendfile support')
1162             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1163                 conf.DEFINE('HAVE_SENDFILE', '1')
1164                 conf.DEFINE('FREEBSD_SENDFILE_API', '1')
1165                 conf.DEFINE('WITH_SENDFILE', '1')
1166         elif (host_os.rfind('darwin') > -1):
1167             conf.CHECK_CODE('''
1168                             #include <sys/types.h>
1169                             #include <sys/socket.h>
1170                             #include <sys/uio.h>
1171                             int fromfd, tofd, ret;
1172                             off_t offset, nwritten;
1173                             struct sf_hdtr hdr;
1174                             struct iovec hdtrl;
1175                             hdr.headers = &hdtrl;
1176                             hdr.hdr_cnt = 1;
1177                             hdr.trailers = (void *)0;
1178                             hdr.trl_cnt = 0;
1179                             hdtrl.iov_base = (void *)0;
1180                             hdtrl.iov_len = 0;
1181                             ret = sendfile(fromfd, tofd, offset, &nwritten, &hdr, 0);
1182                             ''',
1183                             '_HAVE_SENDFILE',
1184                             msg='Checking for darwin sendfile support')
1185             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1186                 conf.DEFINE('HAVE_SENDFILE', '1')
1187                 conf.DEFINE('DARWIN_SENDFILE_API', '1')
1188                 conf.DEFINE('WITH_SENDFILE', '1')
1189         elif (host_os.rfind('hpux') > -1) or (host_os.rfind('osf') > -1):
1190             conf.CHECK_CODE('''
1191                             #include <sys/socket.h>
1192                             #include <sys/uio.h>
1193                             int fromfd, tofd;
1194                             size_t total=0;
1195                             struct iovec hdtrl[2];
1196                             ssize_t nwritten;
1197                             off_t offset;
1198                             hdtrl[0].iov_base = 0;
1199                             hdtrl[0].iov_len = 0;
1200                             nwritten = sendfile(tofd, fromfd, offset, total, &hdtrl[0], 0);
1201                             ''',
1202                             '_HAVE_SENDFILE',
1203                             msg='Checking for osf/hpux sendfile support')
1204             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1205                 conf.DEFINE('HAVE_SENDFILE', '1')
1206                 conf.DEFINE('HPUX_SENDFILE_API', '1')
1207                 conf.DEFINE('WITH_SENDFILE', '1')
1208         elif (host_os.rfind('solaris') > -1):
1209             conf.CHECK_FUNCS_IN('sendfile', 'sendfilev')
1210             conf.CHECK_CODE('''
1211                             #include <sys/sendfile.h>,
1212                             int sfvcnt;
1213                             size_t xferred;
1214                             struct sendfilevec vec[2];
1215                             ssize_t nwritten;
1216                             int tofd;
1217                             sfvcnt = 2;
1218                             vec[0].sfv_fd = SFV_FD_SELF;
1219                             vec[0].sfv_flag = 0;
1220                             vec[0].sfv_off = 0;
1221                             vec[0].sfv_len = 0;
1222                             vec[1].sfv_fd = 0;
1223                             vec[1].sfv_flag = 0;
1224                             vec[1].sfv_off = 0;
1225                             vec[1].sfv_len = 0;
1226                             nwritten = sendfilev(tofd, vec, sfvcnt, &xferred);
1227                             ''',
1228                             '_HAVE_SENDFILEV',
1229                             msg='Checking for solaris sendfilev support')
1230             if conf.CONFIG_SET('_HAVE_SENDFILEV'):
1231                 conf.DEFINE('HAVE_SENDFILEV', '1')
1232                 conf.DEFINE('SOLARIS_SENDFILE_API', '1')
1233                 conf.DEFINE('WITH_SENDFILE', '1')
1234         elif (host_os.rfind('aix') > -1):
1235             conf.CHECK_CODE('''
1236                             #include <sys/socket.h>
1237                             int fromfd, tofd;
1238                             size_t total=0;
1239                             struct sf_parms hdtrl;
1240                             ssize_t nwritten;
1241                             hdtrl.header_data = 0;
1242                             hdtrl.header_length = 0;
1243                             hdtrl.file_descriptor = fromfd;
1244                             hdtrl.file_offset = 0;
1245                             hdtrl.file_bytes = 0;
1246                             hdtrl.trailer_data = 0;
1247                             hdtrl.trailer_length = 0;
1248                             nwritten = send_file(&tofd, &hdtrl, 0);
1249                             ''',
1250                             '_HAVE_SENDFILE',
1251                             msg='Checking for AIX send_file support')
1252             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1253                 conf.DEFINE('HAVE_SENDFILE', '1')
1254                 conf.DEFINE('AIX_SENDFILE_API', '1')
1255                 conf.DEFINE('WITH_SENDFILE', '1')
1256
1257     # Check for getcwd allowing a NULL arg.
1258     conf.CHECK_CODE('''
1259 #include <unistd.h>
1260 main() {
1261         char *s = getcwd(NULL,0);
1262         exit(s != NULL ?  0 : 1);
1263 }''', 'GETCWD_TAKES_NULL', addmain=False, execute=True,
1264         msg="getcwd takes a NULL argument")
1265
1266
1267     # UnixWare 7.x has its getspnam in -lgen
1268     conf.CHECK_FUNCS_IN('getspnam', 'gen')
1269     conf.CHECK_FUNCS_IN('getspnam', 'security')
1270     conf.CHECK_FUNCS_IN('getspnam', 'sec')
1271
1272     if Options.options.with_quotas:
1273         # For quotas on Veritas VxFS filesystems
1274         conf.CHECK_HEADERS('sys/fs/vx_quota.h')
1275         # For sys/quota.h and linux/quota.h
1276         conf.CHECK_HEADERS('sys/quota.h')
1277         # For quotas on BSD systems
1278         conf.CHECK_HEADERS('ufs/ufs/quota.h')
1279         # For quotas on Linux XFS filesystems
1280         if conf.CHECK_HEADERS('xfs/xqm.h'):
1281             conf.DEFINE('HAVE_XFS_QUOTAS', '1')
1282         else:
1283             # For Irix XFS
1284             conf.CHECK_CODE('''
1285                 #include "confdefs.h"
1286                 #ifdef HAVE_SYS_TYPES_H
1287                 #include <sys/types.h>
1288                 #endif
1289                 #ifdef HAVE_ASM_TYPES_H
1290                 #include <asm/types.h>
1291                 #endif
1292                 #include <sys/quota.h>
1293                 int i = Q_XGETQUOTA;''',
1294                 define='HAVE_XFS_QUOTAS',
1295                 msg='for XFS QUOTA in <sys/quota.h>',
1296                 execute=False,
1297                 local_include=False)
1298
1299         # For IRIX like dqb_isoftlimit instead of dqb_fsoftlimit in struc dqblk
1300         conf.CHECK_STRUCTURE_MEMBER('struct dqblk', 'dqb_fsoftlimit', define='HAVE_DQB_FSOFTLIMIT',
1301                                 headers='sys/quota.h')
1302         #darwin style quota bytecount
1303         conf.CHECK_STRUCTURE_MEMBER('struct dqblk', 'dqb_curbytes', define='HAVE_STRUCT_DQBLK_DQB_CURBYTES',
1304                                 headers='sys/quota.h')
1305         if conf.CHECK_HEADERS('rpcsvc/rquota.h'):
1306             conf.DEFINE('HAVE_NFS_QUOTAS', '1')
1307             conf.CHECK_STRUCTURE_MEMBER('struct getquota_rslt', 'getquota_rslt_u',
1308                                         define='HAVE_GETQUOTA_RSLT_GETQUOTA_RSLT_U',
1309                                         headers='rpcsvc/rquota.h')
1310
1311         if (host_os.rfind('linux') > -1):
1312             conf.DEFINE('HAVE_QUOTACTL_LINUX', '1')
1313         elif not conf.CONFIG_SET("HAVE_XFS_QUOTAS"):
1314             if not conf.CHECK_CODE('''
1315                 #define HAVE_QUOTACTL_4A 1
1316                 #define AUTOCONF_TEST 1
1317                 #include "../tests/sysquotas.c"
1318                 ''',
1319                                    cflags=conf.env['WERROR_CFLAGS'],
1320                                    define='HAVE_QUOTACTL_4A',
1321                                    msg='for QUOTACTL_4A: long quotactl(int cmd, char *special, qid_t id, caddr_t addr)',
1322                                    execute=True,
1323                                    addmain=False):
1324
1325                 conf.CHECK_CODE('''
1326                 #define HAVE_QUOTACTL_4B 1
1327                 #define AUTOCONF_TEST 1
1328                 #include "../tests/sysquotas.c"
1329                 ''',
1330                                 cflags=conf.env['WERROR_CFLAGS'],
1331                                 define='HAVE_QUOTACTL_4B',
1332                                 msg='for QUOTACTL_4B:  int quotactl(const char *path, int cmd, int id, char *addr)',
1333                                 execute=True,
1334                                 addmain=False)
1335
1336         conf.CHECK_CODE('''
1337                      clnt_create("", RQUOTAPROG, RQUOTAVERS, "udp");
1338 ''',
1339                         headers="rpc/rpc.h rpc/types.h rpcsvc/rquota.h rpc/nettype.h rpc/xdr.h",
1340                         define='HAVE_NFS_QUOTAS',
1341                         msg='for NFS QUOTAS',
1342                         execute=True,
1343                         local_include=False)
1344
1345         if conf.CONFIG_SET('HAVE_QUOTACTL_LINUX') or \
1346            conf.CONFIG_SET('HAVE_QUOTACTL_4A') or \
1347            conf.CONFIG_SET('HAVE_QUOTACTL_4B') or \
1348            conf.CONFIG_SET('HAVE_XFS_QUOTAS'):
1349             conf.DEFINE('HAVE_SYS_QUOTAS', '1')
1350             conf.DEFINE('WITH_QUOTAS', '1')
1351
1352     #
1353     # checking for clustering extensions (CTDB)
1354     #
1355     if Options.options.with_cluster_support == False:
1356         # configure is called with --without-cluster-support,
1357         # so don't check for and build w/o ctdb support.
1358         have_cluster_support = False
1359
1360     else:
1361
1362         if Options.options.ctdb_dir:
1363             conf.ADD_EXTRA_INCLUDES(Options.options.ctdb_dir + '/include')
1364
1365         srcdir = os.path.realpath(conf.srcdir)
1366         if 'EXTRA_INCLUDES' in conf.env:
1367             includes = ' '.join(conf.env['EXTRA_INCLUDES']).replace('#', srcdir + '/')
1368         else:
1369             includes = ''
1370
1371         if not conf.env.USING_SYSTEM_TDB:
1372             includes = includes + ' ' + srcdir + '/lib/tdb/include'
1373
1374         if not conf.env.USING_SYSTEM_TALLOC:
1375             includes = includes + ' ' + srcdir + '/lib/talloc'
1376
1377         have_cluster_support = True
1378         ctdb_broken = ""
1379
1380         conf.CHECK_CODE('''
1381             #define NO_CONFIG_H
1382             #include "replace.h"
1383             #include "system/wait.h"
1384             #include "system/network.h"
1385             #define private #error __USED_RESERVED_WORD_private__
1386             #include <talloc.h>
1387             #include <tdb.h>
1388             #include <ctdb.h>
1389
1390             int main(void)
1391             {
1392                 return 0;
1393             }
1394             ''',
1395             'HAVE_CTDB_H',
1396             addmain=False,
1397             includes=includes,
1398             msg='Checking for header ctdb.h')
1399
1400         if not conf.CONFIG_SET('HAVE_CTDB_H'):
1401             have_cluster_support = False
1402             ctdb_broken = "ctdb.h is required for cluster support"
1403
1404         if have_cluster_support:
1405             conf.CHECK_CODE('''
1406                 #define NO_CONFIG_H
1407                 #include "replace.h"
1408                 #include "system/wait.h"
1409                 #include "system/network.h"
1410                 #define private #error __USED_RESERVED_WORD_private__
1411                 #include <talloc.h>
1412                 #include <tdb.h>
1413                 #include <ctdb.h>
1414                 #include <ctdb_private.h>
1415
1416                 int main(void)
1417                 {
1418                     return 0;
1419                 }
1420                 ''',
1421                 'HAVE_CTDB_PRIVATE_H',
1422                 addmain=False,
1423                 includes=includes,
1424                 msg='Checking for header ctdb_private.h')
1425
1426             if not conf.CONFIG_SET('HAVE_CTDB_PRIVATE_H'):
1427                 have_cluster_support = False
1428                 ctdb_broken = "ctdb_private.h is required for cluster support"
1429
1430         if have_cluster_support:
1431             conf.CHECK_CODE('''
1432                 #define NO_CONFIG_H
1433                 #include "replace.h"
1434                 #include "system/wait.h"
1435                 #include "system/network.h"
1436                 #define private #error __USED_RESERVED_WORD_private__
1437                 #include <talloc.h>
1438                 #include <tdb.h>
1439                 #include <ctdb.h>
1440                 #include <ctdb_protocol.h>
1441
1442                 int main(void)
1443                 {
1444                     return 0;
1445                 }
1446                 ''',
1447                 'HAVE_CTDB_PROTOCOL_H',
1448                 addmain=False,
1449                 includes=includes,
1450                 msg='Checking for header ctdb_protocol.h')
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                 #include <talloc.h>
1459                 #include <tdb.h>
1460                 #include <ctdb.h>
1461                 #include <ctdb_private.h>
1462
1463                 int main(void)
1464                 {
1465                    int i = (int)CTDB_CONTROL_TRANS3_COMMIT;
1466                    return 0;
1467                 }
1468                 ''',
1469                 'HAVE_CTDB_CONTROL_TRANS3_COMMIT_DECL',
1470                 addmain=False,
1471                 includes=includes,
1472                 msg='Checking for transaction support (TRANS3_COMMIT control)')
1473
1474             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_TRANS3_COMMIT_DECL'):
1475                 have_cluster_support = False
1476                 ctdb_broken = "ctdb transaction support missing or too old"
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                 #include <talloc.h>
1485                 #include <tdb.h>
1486                 #include <ctdb.h>
1487                 #include <ctdb_private.h>
1488
1489                 int main(void)
1490                 {
1491                     int i = (int)CTDB_CONTROL_SCHEDULE_FOR_DELETION;
1492                     return 0;
1493                 }
1494                 ''',
1495                 'HAVE_CTDB_CONTROL_SCHEDULE_FOR_DELETION_DECL',
1496                 addmain=False,
1497                 includes=includes,
1498                 msg='Checking for SCHEDULE_FOR_DELETION control')
1499
1500             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_SCHEDULE_FOR_DELETION_DECL'):
1501                 if not Options.options.enable_old_ctdb:
1502                     have_cluster_support = False
1503                     ctdb_broken = "SCHEDULE_FOR_DELETION control missing"
1504                 else:
1505                     Logs.warn("ignoring missing SCHEDULE_FOR_DELETION control (--enable-old-ctdb)")
1506
1507         if have_cluster_support:
1508             conf.CHECK_CODE('''
1509                 #define NO_CONFIG_H
1510                 #include "replace.h"
1511                 #include "system/wait.h"
1512                 #include "system/network.h"
1513                 #include <talloc.h>
1514                 #include <tdb.h>
1515                 #include <ctdb.h>
1516                 #include <ctdb_private.h>
1517
1518                 int main(void)
1519                 {
1520                     struct ctdb_control_tcp _x;
1521                     return 0;
1522                 }
1523                 ''',
1524                 'HAVE_STRUCT_CTDB_CONTROL_TCP',
1525                 addmain=False,
1526                 includes=includes,
1527                 msg='Checking for ctdb ipv4 support')
1528
1529             if not conf.CONFIG_SET('HAVE_STRUCT_CTDB_CONTROL_TCP'):
1530                 have_cluster_support = False
1531                 ctdb_broken = "missing struct ctdb_control_tcp"
1532
1533         if have_cluster_support:
1534             conf.CHECK_CODE('''
1535                 #define NO_CONFIG_H
1536                 #include "replace.h"
1537                 #include "system/wait.h"
1538                 #include "system/network.h"
1539                 #include <talloc.h>
1540                 #include <tdb.h>
1541                 #include <ctdb.h>
1542                 #include <ctdb_private.h>
1543
1544                 int main(void)
1545                 {
1546                     struct ctdb_control_tcp_addr _x;
1547                     return 0;
1548                 }
1549                 ''',
1550                 'HAVE_STRUCT_CTDB_CONTROL_TCP_ADDR',
1551                 addmain=False,
1552                 includes=includes,
1553                 msg='Checking for ctdb ipv6 support')
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                 #include <ctdb_private.h>
1565
1566                 int main(void)
1567                 {
1568                     int i = (int)CTDB_CONTROL_CHECK_SRVIDS;
1569                     return 0;
1570                 }
1571                 ''',
1572                 'HAVE_CTDB_CONTROL_CHECK_SRVIDS_DECL',
1573                 addmain=False,
1574                 includes=includes,
1575                 msg='Checking for CHECK_SRVIDS control')
1576
1577             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_CHECK_SRVIDS_DECL'):
1578                 if not Options.options.enable_old_ctdb:
1579                     have_cluster_support = False
1580                     ctdb_broken = "CHECK_SRVIDS control missing"
1581                 else:
1582                     Logs.warn("ignoring missing CHECK_SRVIDS control (--enable-old-ctdb)")
1583
1584     if have_cluster_support:
1585         Logs.info("building with cluster support")
1586         conf.DEFINE('CLUSTER_SUPPORT', 1);
1587     else:
1588         if Options.options.with_cluster_support == False:
1589             Logs.info("building without cluster support (--without-cluster-support)")
1590         elif Options.options.with_cluster_support == True:
1591             Logs.error("Cluster support not available: " + ctdb_broken)
1592             conf.fatal("Cluster support not found, but --with-cluster-support was specified")
1593         else:
1594             Logs.info("building without cluster support: " + ctdb_broken)
1595         conf.undefine('CLUSTER_SUPPORT')
1596
1597
1598     conf.CHECK_CODE('__attribute__((destructor)) static void cleanup(void) { }',
1599                     'HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR',
1600                     addmain=False,
1601                     link=False,
1602                     msg='Checking whether we can compile with __attribute__((destructor))')
1603
1604     conf.CHECK_CODE('void seekdir(DIR *d, long loc) { return; }',
1605                     'SEEKDIR_RETURNS_VOID',
1606                     headers='sys/types.h dirent.h',
1607                     msg='Checking whether seekdir returns void')
1608
1609     if Options.options.with_profiling_data:
1610         conf.DEFINE('WITH_PROFILE', 1);
1611
1612     PTHREAD_CFLAGS='error'
1613     PTHREAD_LDFLAGS='error'
1614
1615     if PTHREAD_LDFLAGS == 'error':
1616         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'pthread'):
1617             PTHREAD_CFLAGS='-D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS'
1618             PTHREAD_LDFLAGS='-lpthread'
1619     if PTHREAD_LDFLAGS == 'error':
1620         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'pthreads'):
1621             PTHREAD_CFLAGS='-D_THREAD_SAFE'
1622             PTHREAD_LDFLAGS='-lpthreads'
1623     if PTHREAD_LDFLAGS == 'error':
1624         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'c_r'):
1625             PTHREAD_CFLAGS='-D_THREAD_SAFE -pthread'
1626             PTHREAD_LDFLAGS='-pthread'
1627     if PTHREAD_LDFLAGS == 'error':
1628         if conf.CHECK_FUNCS('pthread_attr_init'):
1629             PTHREAD_CFLAGS='-D_REENTRANT'
1630             PTHREAD_LDFLAGS='-lpthread'
1631     # especially for HP-UX, where the CHECK_FUNC macro fails to test for
1632     # pthread_attr_init. On pthread_mutex_lock it works there...
1633     if PTHREAD_LDFLAGS == 'error':
1634         if conf.CHECK_FUNCS_IN('pthread_mutex_lock', 'pthread'):
1635             PTHREAD_CFLAGS='-D_REENTRANT'
1636             PTHREAD_LDFLAGS='-lpthread'
1637
1638     if PTHREAD_CFLAGS != 'error' and PTHREAD_LDFLAGS != 'error':
1639         conf.ADD_CFLAGS(PTHREAD_CFLAGS)
1640         conf.ADD_LDFLAGS(PTHREAD_LDFLAGS)
1641         conf.CHECK_HEADERS('pthread.h')
1642         conf.DEFINE('HAVE_PTHREAD', '1')
1643
1644     if Options.options.with_pthreadpool:
1645         if conf.CONFIG_SET('HAVE_PTHREAD'):
1646             conf.DEFINE('WITH_PTHREADPOOL', '1')
1647         else:
1648             Logs.warn("pthreadpool support cannot be enabled when pthread support was not found")
1649             conf.undefine('WITH_PTHREADPOOL')
1650
1651     if conf.CHECK_HEADERS('gpfs_gpl.h'):
1652         conf.DEFINE('HAVE_GPFS', '1')
1653
1654     default_static_modules.extend(TO_LIST('''pdb_smbpasswd pdb_tdbsam pdb_wbc_sam
1655                                       auth_sam auth_unix auth_winbind auth_wbc
1656                                       auth_domain auth_builtin vfs_default
1657                                       nss_info_template idmap_tdb idmap_passdb
1658                                       idmap_nss'''))
1659
1660     default_shared_modules.extend(TO_LIST('''vfs_recycle vfs_audit vfs_extd_audit vfs_full_audit vfs_netatalk
1661                                       vfs_fake_perms vfs_default_quota vfs_readonly vfs_cap
1662                                       vfs_expand_msdfs vfs_shadow_copy vfs_shadow_copy2
1663                                       auth_script vfs_readahead vfs_xattr_tdb vfs_posix_eadb
1664                                       vfs_streams_xattr vfs_streams_depot vfs_acl_xattr vfs_acl_tdb
1665                                       vfs_smb_traffic_analyzer vfs_preopen vfs_catia vfs_scannedonly
1666                                       vfs_media_harmony
1667                                       vfs_crossrename vfs_linux_xfs_sgid
1668                                       vfs_time_audit idmap_autorid idmap_tdb2
1669                                       idmap_rid idmap_hash'''))
1670
1671     if Options.options.developer:
1672         default_static_modules.extend(TO_LIST('charset_weird'))
1673         default_shared_modules.extend(TO_LIST('perfcount_test'))
1674         default_shared_modules.extend(TO_LIST('vfs_skel_opaque vfs_skel_transparent vfs_shadow_copy_test'))
1675         default_shared_modules.extend(TO_LIST('auth_skel pdb_test'))
1676
1677     if Options.options.enable_selftest or Options.options.developer:
1678         default_shared_modules.extend(TO_LIST('vfs_fake_acls'))
1679
1680
1681     if conf.CONFIG_SET('AD_DC_BUILD_IS_ENABLED'):
1682         default_static_modules.extend(TO_LIST('pdb_samba_dsdb auth_samba4 vfs_dfs_samba4'))
1683
1684     if conf.CONFIG_SET('HAVE_FREEBSD_SUNACL_H'):
1685         default_shared_modules.extend(TO_LIST('vfs_zfsacl'))
1686
1687     if conf.CONFIG_SET('HAVE_DIRFD_DECL'):
1688         default_shared_modules.extend(TO_LIST('vfs_syncops vfs_dirsort'))
1689
1690     if conf.CONFIG_SET('HAVE_STATFS_F_FSID'):
1691         default_shared_modules.extend(TO_LIST('vfs_fileid'))
1692
1693     if (conf.CONFIG_SET('HAVE_MSGHDR_MSG_CONTROL') or conf.CONFIG_SET('HAVE_MSGHDR_MSG_ACCTRIGHTS')):
1694         default_shared_modules.extend(TO_LIST('vfs_aio_fork'))
1695
1696     if Options.options.with_pthreadpool:
1697         default_shared_modules.extend(TO_LIST('vfs_aio_pthread'))
1698
1699     if conf.CONFIG_SET('HAVE_AIO'):
1700         default_shared_modules.extend(TO_LIST('vfs_aio_posix'))
1701
1702     if conf.CONFIG_SET('HAVE_LINUX_KERNEL_AIO'):
1703         default_shared_modules.extend(TO_LIST('vfs_aio_linux'))
1704
1705     if conf.CONFIG_SET('HAVE_LDAP'):
1706         default_static_modules.extend(TO_LIST('pdb_ldap idmap_ldap'))
1707
1708     if conf.CONFIG_SET('DARWINOS'):
1709         default_static_modules.extend(TO_LIST('charset_macosxfs'))
1710
1711     if conf.CONFIG_SET('HAVE_GPFS'):
1712         default_shared_modules.extend(TO_LIST('vfs_gpfs'))
1713
1714     explicit_shared_modules = TO_LIST(Options.options.shared_modules, delimiter=',')
1715     explicit_static_modules = TO_LIST(Options.options.static_modules, delimiter=',')
1716
1717     final_static_modules = default_static_modules
1718     final_shared_modules = default_shared_modules
1719
1720     for m in explicit_static_modules:
1721         if m in final_shared_modules:
1722             final_shared_modules.remove(m)
1723         final_static_modules.append(m)
1724     for m in explicit_shared_modules:
1725         if m in final_static_modules:
1726             final_static_modules.remove(m)
1727         final_shared_modules.append(m)
1728
1729     if ("auth_domain" not in final_static_modules) or \
1730             ("auth_builtin" not in final_static_modules) or \
1731             ("auth_sam" not in final_static_modules) or \
1732             ("auth_winbind" not in final_static_modules):
1733         raise Utils.WafError('These auth modules MUST be configured as static modules: auth_domain, auth_builtin, auth_sam, auth_winbind')
1734
1735     conf.env['static_modules'] = final_static_modules
1736     conf.env['shared_modules'] = final_shared_modules
1737
1738     conf.DEFINE('STRING_STATIC_MODULES', ' '.join(final_static_modules), quote=True)
1739
1740     static_list = {}
1741     shared_list = {}
1742
1743     prefixes = ['vfs', 'pdb', 'auth', 'nss_info', 'charset', 'idmap', 'gpext', 'perfcount']
1744     conf.env['MODULE_PREFIXES'] = prefixes
1745     for p in prefixes:
1746         for m in final_static_modules:
1747             if m.find(p) == 0:
1748                 if not p in static_list:
1749                     static_list[p] = []
1750                 static_list[p].append(m)
1751         for m in final_shared_modules:
1752             if m.find(p) == 0:
1753                 if not p in shared_list:
1754                     shared_list[p] = []
1755                 shared_list[p].append(m)
1756
1757     for p in prefixes:
1758         static_env = "%s_STATIC" % p.upper()
1759         shared_env = "%s_SHARED" % p.upper()
1760         conf.env[static_env] = []
1761         conf.env[shared_env] = []
1762         if p in static_list:
1763             decl_list=""
1764             for entry in static_list[p]:
1765                 decl_list += "extern NTSTATUS %s_init(void); " % entry
1766                 conf.env[static_env].append('%s' % entry)
1767             decl_list = decl_list.rstrip()
1768             conf.DEFINE('static_decl_%s' % p, decl_list)
1769             conf.DEFINE('static_init_%s' % p, '{ %s_init(); }' % '_init();  '.join(static_list[p]))
1770         else:
1771             conf.DEFINE('static_decl_%s' % p, '')
1772             conf.DEFINE('static_init_%s' % p, '{}')
1773         if p in shared_list:
1774             for entry in shared_list[p]:
1775                 conf.DEFINE('%s_init' % entry, 'samba_init_module')
1776                 conf.env[shared_env].append('%s' % entry)
1777
1778     conf.SAMBA_CONFIG_H('include/config.h')
1779
1780 def ctags(ctx):
1781     "build 'tags' file using ctags"
1782     import Utils
1783     source_root = os.path.dirname(Utils.g_module.root_path)
1784     cmd = 'ctags $(find %s/.. -name "*.[ch]" | grep -v "*_proto\.h")' % source_root
1785     print("Running: %s" % cmd)
1786     os.system(cmd)
1787