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