source3/wscript

   1 #!/usr/bin/env python
   2
   3 srcdir=".."
   4
   5 import sys, os
   6 from optparse import SUPPRESS_HELP
   7 sys.path.insert(0, srcdir+"/buildtools/wafsamba")
   8 sys.path.insert(0, "source3")
   9 import wafsamba, Options, Logs, Utils, Scripting
  10 import build.charset
  11 import samba_utils, samba_version
  12 import samba3
  13
  14 Options.default_prefix = '/usr/local/samba'
  15
  16 def set_options(opt):
  17
  18     opt.add_option('--with-static-modules',
  19                    help=("Comma-separated list of names of modules to statically link in"),
  20                    action="store", dest='static_modules', default=None)
  21     opt.add_option('--with-shared-modules',
  22                    help=("Comma-separated list of names of modules to build shared"),
  23                    action="store", dest='shared_modules', default=None)
  24
  25     opt.SAMBA3_ADD_OPTION('winbind')
  26     opt.SAMBA3_ADD_OPTION('ads')
  27     opt.SAMBA3_ADD_OPTION('ldap')
  28     opt.SAMBA3_ADD_OPTION('cups', with_name="enable", without_name="disable")
  29     opt.SAMBA3_ADD_OPTION('iprint', with_name="enable", without_name="disable")
  30     opt.SAMBA3_ADD_OPTION('pam')
  31     opt.SAMBA3_ADD_OPTION('pam_smbpass')
  32     opt.SAMBA3_ADD_OPTION('quotas')
  33     opt.SAMBA3_ADD_OPTION('sendfile-support')
  34     opt.SAMBA3_ADD_OPTION('utmp')
  35     opt.SAMBA3_ADD_OPTION('pthreadpool', with_name="enable", without_name="disable", default=True)
  36     opt.SAMBA3_ADD_OPTION('avahi', with_name="enable", without_name="disable")
  37     opt.SAMBA3_ADD_OPTION('iconv')
  38     opt.SAMBA3_ADD_OPTION('acl-support')
  39     opt.SAMBA3_ADD_OPTION('dnsupdate')
  40     opt.SAMBA3_ADD_OPTION('syslog')
  41     opt.SAMBA3_ADD_OPTION('automount')
  42     opt.SAMBA3_ADD_OPTION('aio-support')
  43     opt.SAMBA3_ADD_OPTION('dmapi', default=None) # None means autodetection
  44     opt.SAMBA3_ADD_OPTION('fam', default=None) # None means autodetection
  45     opt.SAMBA3_ADD_OPTION('profiling-data', default=False)
  46     opt.SAMBA3_ADD_OPTION('libarchive', default=None)
  47
  48     opt.SAMBA3_ADD_OPTION('cluster-support', default=None)
  49
  50     opt.SAMBA3_ADD_OPTION('regedit', default=None)
  51
  52     opt.add_option('--with-ctdb-dir',
  53                    help=("Directory under which ctdb is installed"),
  54                    action="store", dest='ctdb_dir', default=None)
  55     opt.add_option('--enable-old-ctdb',
  56                   help=("enable building against (too) old version of ctdb (default=false)"),
  57                   action="store_true", dest='enable_old_ctdb', default=False)
  58
  59     opt.add_option('--with-libcephfs',
  60                    help=("Directory under which libcephfs is installed"),
  61                    action="store", dest='libcephfs_dir', default=None)
  62
  63     opt.SAMBA3_ADD_OPTION('glusterfs', with_name="enable", without_name="disable", default=True)
  64
  65
  66 def configure(conf):
  67     from samba_utils import TO_LIST
  68
  69     default_static_modules = []
  70     default_shared_modules = []
  71
  72     if Options.options.developer:
  73         conf.ADD_CFLAGS('-DDEVELOPER -DDEBUG_PASSWORD')
  74         conf.env.developer = True
  75
  76     if sys.platform != 'openbsd5':
  77         conf.ADD_LDFLAGS("-Wl,--export-dynamic", testflags=True)
  78
  79     conf.CHECK_HEADERS('execinfo.h libexc.h libunwind.h netdb.h')
  80     conf.CHECK_HEADERS('linux/falloc.h')
  81
  82     conf.CHECK_FUNCS('getcwd fchown chmod fchmod mknod')
  83     conf.CHECK_FUNCS('strtol strchr strupr chflags')
  84     conf.CHECK_FUNCS('getrlimit fsync fdatasync setpgid')
  85     conf.CHECK_FUNCS('setsid glob strpbrk crypt16 getauthuid')
  86     conf.CHECK_FUNCS('sigprocmask sigblock sigaction sigset innetgr')
  87     conf.CHECK_FUNCS('initgroups select poll rdchk getgrnam getgrent pathconf')
  88     conf.CHECK_FUNCS('setpriv setgidx setuidx setgroups syscall sysconf')
  89     conf.CHECK_FUNCS('atexit grantpt posix_openpt fallocate posix_fallocate')
  90     conf.CHECK_FUNCS('fseeko setluid')
  91     conf.CHECK_FUNCS('getpwnam', headers='sys/types.h pwd.h')
  92     conf.CHECK_FUNCS('fdopendir')
  93     conf.CHECK_FUNCS('fstatat')
  94     conf.CHECK_FUNCS('getpwent_r setenv strcasecmp fcvt fcvtl')
  95     conf.CHECK_FUNCS('syslog vsyslog timegm setlocale')
  96     conf.CHECK_FUNCS_IN('nanosleep', 'rt')
  97     conf.CHECK_FUNCS('lutimes futimes utimensat futimens')
  98     conf.CHECK_FUNCS('mlock munlock mlockall munlockall')
  99     conf.CHECK_FUNCS('memalign posix_memalign hstrerror')
 100     conf.CHECK_FUNCS('shmget')
 101     conf.CHECK_FUNCS_IN('shm_open', 'rt', checklibc=True)
 102     #FIXME: for some reason this one still fails
 103     conf.CHECK_FUNCS_IN('yp_get_default_domain', 'nsl')
 104     conf.CHECK_FUNCS_IN('dn_expand _dn_expand __dn_expand', 'resolv')
 105     conf.CHECK_FUNCS_IN('dn_expand', 'inet')
 106     conf.CHECK_DECLS('fdatasync', reverse=True)
 107     conf.CHECK_DECLS('readahead', reverse=True, headers='fcntl.h')
 108
 109     if conf.CONFIG_SET('HAVE_LONG_LONG'):
 110         conf.DEFINE('HAVE_LONGLONG', 1)
 111
 112     if conf.CHECK_CODE('''
 113 #if defined(HAVE_UNISTD_H)
 114 #include <unistd.h>
 115 #endif
 116 long ret = splice(0,0,1,0,400,SPLICE_F_MOVE);
 117 ''',
 118         'HAVE_LINUX_SPLICE',
 119         headers='fcntl.h'):
 120         conf.CHECK_DECLS('splice', reverse=True, headers='fcntl.h')
 121
 122     # Check for inotify support
 123     conf.CHECK_HEADERS('sys/inotify.h')
 124     if "HAVE_SYS_INOTIFY_H" in conf.env:
 125         conf.DEFINE('HAVE_INOTIFY', 1)
 126
 127     # Check for kernel change notify support
 128     conf.CHECK_CODE('''
 129 #ifndef F_NOTIFY
 130 #define F_NOTIFY 1026
 131 #endif
 132 main() {
 133         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
 134 }''', 'HAVE_KERNEL_CHANGE_NOTIFY', addmain=False, execute=True,
 135         headers='fcntl.h signal.h',
 136         msg="Checking for kernel change notify support")
 137
 138     # Check for Linux kernel oplocks
 139     conf.CHECK_CODE('''
 140 #include <sys/types.h>
 141 #include <fcntl.h>
 142 #include <signal.h>
 143 #ifndef F_NOTIFY
 144 #define F_NOTIFY 1026
 145 #endif
 146 main() {
 147         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
 148 }''', 'HAVE_KERNEL_OPLOCKS_LINUX', addmain=False, execute=True,
 149         msg="Checking for Linux kernel oplocks")
 150
 151     # Check for IRIX kernel oplock types
 152     conf.CHECK_CODE('oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;',
 153                     'HAVE_KERNEL_OPLOCKS_IRIX', headers='fcntl.h',
 154                     msg="Checking for IRIX kernel oplock types")
 155
 156     # Check for kernel share modes
 157     conf.CHECK_CODE('''
 158 #include <sys/types.h>
 159 #include <fcntl.h>
 160 #include <signal.h>
 161 #include <sys/file.h>
 162 #ifndef LOCK_MAND
 163 #define LOCK_MAND        32
 164 #define LOCK_READ        64
 165 #endif
 166 main() {
 167         exit(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
 168 }''', 'HAVE_KERNEL_SHARE_MODES', addmain=False, execute=True,
 169         msg="Checking for kernel share modes")
 170
 171     # check for fam libs
 172     samba_fam_libs=None
 173     check_for_fam=False
 174     if Options.options.with_fam is None:
 175         check_for_fam=True
 176     elif Options.options.with_fam == True:
 177         check_for_fam=True
 178
 179     if check_for_fam and conf.CHECK_HEADERS('fam.h'):
 180         if conf.CHECK_FUNCS_IN('FAMOpen2', 'fam'):
 181             samba_fam_libs='fam'
 182         elif conf.CHECK_FUNCS_IN('FAMOpen2', 'fam C'):
 183             samba_fam_libs='fam C'
 184         conf.CHECK_TYPE('enum FAMCodes', headers='fam.h',
 185             define='HAVE_FAM_H_FAMCODES_TYPEDEF',
 186             msg='Checking whether enum FAMCodes is available')
 187         conf.CHECK_FUNCS_IN('FAMNoExists', 'fam')
 188
 189     if samba_fam_libs is not None:
 190         conf.DEFINE('SAMBA_FAM_LIBS', samba_fam_libs)
 191     else:
 192         if Options.options.with_fam == True:
 193             conf.fatal('FAM support requested, but no suitable FAM library found')
 194         elif check_for_fam:
 195             Logs.warn('no suitable FAM library found')
 196
 197     # check for libarchive (tar command in smbclient)
 198     # None means autodetect, True/False means enable/disable
 199     conf.env['archive_lib'] = ''
 200     if Options.options.with_libarchive is not False:
 201         libarchive_mandatory = Options.options.with_libarchive == True
 202         Logs.info("Checking for libarchive existence")
 203         if conf.CHECK_BUNDLED_SYSTEM('libarchive', minversion='3.1.2'):
 204             conf.env['archive_lib'] = 'libarchive'
 205         elif libarchive_mandatory:
 206             conf.fatal('libarchive support requested, but no suitable pkgconfig found')
 207
 208     # check for DMAPI libs
 209     Logs.info("Checking for DMAPI library existence")
 210     conf.env['dmapi_lib'] = ''
 211     samba_dmapi_lib = ''
 212     if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'dm'):
 213         samba_dmapi_lib = 'dm'
 214     else:
 215         if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'jfsdm'):
 216             samba_dmapi_lib = 'jfsdm'
 217         else:
 218             if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'dmapi'):
 219                 samba_dmapi_lib = 'dmapi'
 220             else:
 221                 if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'xdsm'):
 222                     samba_dmapi_lib = 'xdsm'
 223     # only bother to test headers and compilation when a candidate
 224     # library has been found
 225     if Options.options.with_dmapi == True and samba_dmapi_lib == '':
 226         conf.fatal('DMAPI support requested, but no suitable DMAPI library found')
 227     else:
 228         conf.CHECK_HEADERS('sys/dmi.h xfs/dmapi.h sys/jfsdmapi.h sys/dmapi.h dmapi.h')
 229         conf.CHECK_CODE('''
 230 #include <time.h>      /* needed by Tru64 */
 231 #include <sys/types.h> /* needed by AIX */
 232 #ifdef HAVE_XFS_DMAPI_H
 233 #include <xfs/dmapi.h>
 234 #elif defined(HAVE_SYS_DMI_H)
 235 #include <sys/dmi.h>
 236 #elif defined(HAVE_SYS_JFSDMAPI_H)
 237 #include <sys/jfsdmapi.h>
 238 #elif defined(HAVE_SYS_DMAPI_H)
 239 #include <sys/dmapi.h>
 240 #elif defined(HAVE_DMAPI_H)
 241 #include <dmapi.h>
 242 #endif
 243
 244 /* This link test is designed to fail on IRI 6.4, but should
 245  * succeed on Linux, IRIX 6.5 and AIX.
 246  */
 247 int main(int argc, char **argv)
 248 {
 249         char * version;
 250         dm_eventset_t events;
 251         /* This doesn't take an argument on IRIX 6.4. */
 252         dm_init_service(&version);
 253         /* IRIX 6.4 expects events to be a pointer. */
 254         DMEV_ISSET(DM_EVENT_READ, events);
 255
 256         return 0;
 257 }
 258 ''',
 259         'USE_DMAPI',
 260         addmain=False,
 261         execute=False,
 262         lib=samba_dmapi_lib,
 263         msg='Checking whether DMAPI lib '+samba_dmapi_lib+' can be used')
 264
 265         if conf.CONFIG_SET('USE_DMAPI'):
 266             conf.env['dmapi_lib'] = samba_dmapi_lib
 267         else:
 268             if Options.options.with_dmapi == True:
 269                 conf.fatal('DMAPI support requested but not found');
 270
 271     # Check for various members of the stat structure
 272     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blocks', define='HAVE_STAT_ST_BLOCKS',
 273                                 headers='sys/stat.h')
 274     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blksize', define='HAVE_STAT_ST_BLKSIZE',
 275                                 headers='sys/stat.h')
 276     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_flags', define='HAVE_STAT_ST_FLAGS',
 277                                 headers='sys/types.h sys/stat.h unistd.h')
 278
 279     if "HAVE_BLKCNT_T" in conf.env:
 280         conf.CHECK_CODE('''
 281         return sizeof(blkcnt_t) == 4 ? 0 : 1''',
 282                 'SIZEOF_BLKCNT_T_4', execute=True,
 283                 headers='replace.h sys/types.h sys/stat.h unistd.h',
 284                 msg="Checking whether blkcnt_t is 32 bit")
 285
 286     if "HAVE_BLKCNT_T" in conf.env:
 287         conf.CHECK_CODE('''
 288         return sizeof(blkcnt_t) == 8 ? 0 : 1''',
 289                 'SIZEOF_BLKCNT_T_8', execute=True,
 290                 headers='replace.h sys/types.h sys/stat.h unistd.h',
 291                 msg="Checking whether blkcnt_t is 64 bit")
 292
 293     # Check for POSIX capability support
 294     conf.CHECK_FUNCS_IN('cap_get_proc', 'cap', headers='sys/capability.h')
 295
 296     if "HAVE_SYS_CAPABILITY_H" in conf.env:
 297         conf.CHECK_CODE('''
 298         cap_t cap;
 299         cap_value_t vals[1];
 300         if (!(cap = cap_get_proc())) exit(1);
 301         vals[0] = CAP_CHOWN;
 302         cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
 303         cap_set_proc(cap);''',
 304                         'HAVE_POSIX_CAPABILITIES', execute=True, lib="cap",
 305                         headers='sys/capability.h',
 306                         msg="Checking whether POSIX capabilities are available")
 307
 308     # Check for int16, uint16, int32 and uint32 in rpc/types.h included from
 309     # rpc/rpc.h. This is *really* broken but some systems (DEC OSF1) do this.
 310     # -- JRA.
 311     if conf.CONFIG_SET("HAVE_RPC_RPC_H"):
 312         conf.CHECK_TYPE('int16', headers='rpc/rpc.h',
 313                         define='HAVE_INT16_FROM_RPC_RPC_H',
 314                         msg="Checking for int16 typedef included by rpc/rpc.h")
 315         conf.CHECK_CODE('uint16 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
 316                         headers='sys/types.h rpc/rpc.h',
 317                         msg="Checking for uint16 typedef included by rpc/rpc.h")
 318         conf.CHECK_CODE('int32 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
 319                         headers='sys/types.h rpc/rpc.h',
 320                         msg="Checking for int32 typedef included by rpc/rpc.h")
 321         conf.CHECK_CODE('uint32 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
 322                         headers='sys/types.h rpc/rpc.h',
 323                         msg="Checking for uint32 typedef included by rpc/rpc.h")
 324     conf.CHECK_CODE('int i;', 'BROKEN_NISPLUS_INCLUDE_FILES',
 325                     headers='sys/types.h sys/acl.h rpcsvc/nis.h',
 326                     msg="Checking for broken nisplus include files")
 327
 328     # Check if the compiler will optimize out functions
 329     conf.CHECK_CODE('''
 330 if (0) {
 331     this_function_does_not_exist();
 332 } else {
 333     return 1;
 334 }''', 'HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS',
 335         msg="Checking if the compiler will optimize out functions")
 336
 337     # Check if the compiler supports the LL suffix on long long integers
 338     # AIX needs this
 339     conf.CHECK_CODE('long long i = 0x8000000000LL', 'COMPILER_SUPPORTS_LL',
 340                     headers='stdio.h',
 341                     msg="Checking for LL suffix on long long integers")
 342
 343     conf.CHECK_FUNCS('''
 344 _acl __acl atexit
 345  _chdir __chdir chflags chmod _close __close _closedir
 346 __closedir crypt16 devnm dirfd
 347 DNSServiceRegister _dup __dup _dup2 __dup2 endmntent execl
 348 _facl __facl _fchdir
 349 __fchdir fchmod fchown _fcntl __fcntl fcvt fcvtl fdatasync
 350 _fork __fork fseeko
 351 fsetxattr _fstat __fstat fsync
 352 futimens futimes __fxstat getauthuid
 353 getcwd _getcwd __getcwd getdents __getdents getdirentries
 354 getgrent getgrnam getgrouplist getgrset getmntent getpagesize
 355 getpwanam getpwent_r getrlimit
 356 glob grantpt hstrerror initgroups innetgr
 357 llseek _llseek __llseek _lseek __lseek
 358 _lstat __lstat lutimes
 359 __lxstat memalign mknod mlock mlockall munlock munlockall
 360 _open __open _opendir __opendir
 361 pathconf poll posix_fallocate
 362 posix_memalign pread _pread __pread
 363 pwrite _pwrite __pwrite
 364 rdchk _read __read _readdir __readdir
 365 _seekdir __seekdir
 366 select setenv setgidx setgroups setlocale setluid
 367 setmntent setpgid setpriv setsid setuidx
 368 shmget shm_open sigaction sigblock sigprocmask sigset
 369 _stat __stat statvfs
 370 strcasecmp strchr strpbrk strsignal strtol strupr sysconf sysctl sysctlbyname
 371 __sys_llseek syslog _telldir __telldir timegm
 372 utimensat vsyslog _write __write __xstat
 373 ''')
 374
 375     conf.CHECK_SAMBA3_CHARSET() # see build/charset.py
 376
 377     # FIXME: these should be tests for features, but the old build system just
 378     # checks for OSes.
 379     host_os = sys.platform
 380     Logs.info("building on %s" % host_os)
 381
 382     # Python doesn't have case switches... :/
 383     # FIXME: original was *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu | *qnx*)
 384     # the search for .rfind('gnu') covers gnu* and *-gnu is that too broad?
 385
 386     conf.SET_TARGET_TYPE('sunacl', 'EMPTY')
 387     if (host_os.rfind('linux') > -1) or (host_os.rfind('gnu') > -1) or (host_os.rfind('qnx') > -1):
 388         if host_os.rfind('linux') > -1:
 389             conf.DEFINE('LINUX', '1')
 390         elif host_os.rfind('qnx') > -1:
 391             conf.DEFINE('QNX', '1')
 392         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 393     elif (host_os.rfind('darwin') > -1):
 394         conf.DEFINE('DARWINOS', 1)
 395         conf.ADD_CFLAGS('-fno-common')
 396         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 397     elif (host_os.rfind('freebsd') > -1):
 398         conf.DEFINE('FREEBSD', 1)
 399         if conf.CHECK_HEADERS('sunacl.h'):
 400             conf.DEFINE('HAVE_FREEBSD_SUNACL_H', '1')
 401             conf.CHECK_FUNCS_IN('acl', 'sunacl')
 402         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 403     elif (host_os.rfind('irix') > -1):
 404         conf.DEFINE('IRIX', 1)
 405         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 406     elif (host_os.rfind('aix') > -1):
 407         conf.DEFINE('AIX', 1)
 408         conf.DEFINE('STAT_ST_BLOCKSIZE', 'DEV_BSIZE')
 409     elif (host_os.rfind('hpux') > -1):
 410         conf.DEFINE('HPUX', 1)
 411         conf.DEFINE('STAT_ST_BLOCKSIZE', '8192')
 412     elif (host_os.rfind('osf') > -1):
 413         conf.DEFINE('OSF1', 1)
 414         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 415
 416     # FIXME: Add more checks here.
 417     else:
 418         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 419
 420     if Options.options.with_acl_support:
 421         if (host_os.rfind('sysv5') > -1) and conf.CHECK_FUNCS_IN('sec', 'facl', checklibc=True):
 422                 Logs.info('Using UnixWare ACLs')
 423                 conf.DEFINE('HAVE_UNIXWARE_ACLS',1)
 424                 default_static_modules.extend(TO_LIST('vfs_solarisacl'))
 425         elif (host_os.rfind('solaris') > -1) and conf.CHECK_FUNCS_IN('sec', 'facl'):
 426                 Logs.info('Using solaris ACLs')
 427                 conf.DEFINE('HAVE_SOLARIS_ACLS',1)
 428                 default_static_modules.extend(TO_LIST('vfs_solarisacl'))
 429         elif (host_os.rfind('hpux') > -1):
 430                 Logs.info('Using HPUX ACLs')
 431                 conf.DEFINE('HAVE_HPUX_ACLS',1)
 432                 conf.DEFINE('POSIX_ACL_NEEDS_MASK',1)
 433                 default_static_modules.extend(TO_LIST('vfs_hpuxacl'))
 434         elif (host_os.rfind('aix') > -1):
 435                 Logs.info('Using AIX ACLs')
 436                 conf.DEFINE('HAVE_AIX_ACLS',1)
 437                 default_static_modules.extend(TO_LIST('vfs_aixacl vfs_aixacl2'))
 438         elif (host_os.rfind('osf') > -1) and conf.CHECK_FUNCS_IN('pacl', 'acl_get_fd'):
 439                 Logs.info('Using Tru64 ACLs')
 440                 conf.DEFINE('HAVE_TRU64_ACLS',1)
 441                 default_static_modules.extend(TO_LIST('vfs_tru64acl'))
 442         elif (host_os.rfind('darwin') > -1):
 443             Logs.warn('ACLs on Darwin currently not supported')
 444             conf.fatal("ACL support not available on Darwin/MacOS. "
 445                        "Use --without-acl-support for building without "
 446                        "ACL support. "
 447                        "ACL support is required to change permissions "
 448                        "from Windows clients.")
 449         else:
 450             conf.CHECK_FUNCS_IN('acl_get_file', 'acl')
 451             if conf.CHECK_CODE('''
 452 acl_t acl;
 453 int entry_id;
 454 acl_entry_t *entry_p;
 455 return acl_get_entry(acl, entry_id, entry_p);
 456 ''',
 457                         'HAVE_POSIX_ACLS',
 458                         headers='sys/types.h sys/acl.h', link=False,
 459                         msg="Checking for POSIX ACL support") :
 460                 conf.CHECK_CODE('''
 461 acl_permset_t permset_d;
 462 acl_perm_t perm;
 463 return acl_get_perm_np(permset_d, perm);
 464 ''',
 465                         'HAVE_ACL_GET_PERM_NP',
 466                         headers='sys/types.h sys/acl.h', link=True,
 467                         msg="Checking whether acl_get_perm_np() is available")
 468                 default_static_modules.extend(TO_LIST('vfs_posixacl'))
 469             else:
 470                 conf.fatal("ACL support not found. Try installing libacl1-dev "
 471                            "or libacl-devel.  "
 472                            "Otherwise, use --without-acl-support to build "
 473                            "without ACL support. "
 474                            "ACL support is required to change permissions from "
 475                            "Windows clients.")
 476
 477     if conf.CHECK_FUNCS('dirfd'):
 478         conf.DEFINE('HAVE_DIRFD_DECL', 1)
 479
 480     conf.CHECK_CODE('struct statfs fsd; fsid_t fsid = fsd.f_fsid; return statfs(".", &fsd);',
 481                     'HAVE_STATFS_F_FSID',
 482                     msg="vfs_fileid: checking for statfs() and struct statfs.f_fsid",
 483                     headers='sys/types.h sys/statfs.h',
 484                     execute=True)
 485
 486     if conf.CONFIG_SET('HAVE_FALLOCATE'):
 487         conf.CHECK_CODE('''
 488                 int ret = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 10);''',
 489                 'HAVE_LINUX_FALLOCATE',
 490                 msg="Checking whether the Linux 'fallocate' function is available",
 491                 headers='unistd.h sys/types.h fcntl.h linux/falloc.h')
 492     conf.CHECK_CODE('''
 493                 ssize_t err = readahead(0,0,0x80000);''',
 494                 'HAVE_LINUX_READAHEAD',
 495                 msg="Checking whether Linux readahead is available",
 496                 headers='unistd.h fcntl.h')
 497     conf.CHECK_DECLS('readahead', headers='fcntl.h', always=True)
 498
 499     conf.CHECK_CODE('int fd = openat(AT_FDCWD, ".", O_RDONLY);',
 500                 'HAVE_OPENAT',
 501                 msg='Checking for openat',
 502                 headers='fcntl.h')
 503
 504     if Options.options.with_aio_support:
 505         conf.CHECK_FUNCS_IN('aio_read', 'aio')
 506         conf.CHECK_FUNCS_IN('aio_read', 'rt')
 507         conf.CHECK_CODE('struct aiocb a; return aio_read(&a);',
 508                         'HAVE_AIO',
 509                         msg='Checking for asynchronous io support',
 510                         headers='sys/types.h aio.h',
 511                         lib='aio rt')
 512         if conf.CONFIG_SET('HAVE_AIO'):
 513             conf.CHECK_CODE('struct aiocb a; return aio_read(&a);', 'HAVE_AIO_READ', msg='Checking for aio_read', headers='aio.h', lib='aio rt')
 514             conf.CHECK_CODE('struct aiocb a; return aio_write(&a);', 'HAVE_AIO_WRITE', msg='Checking for aio_write', headers='aio.h', lib='aio rt')
 515             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')
 516             conf.CHECK_CODE('struct aiocb a; return aio_return(&a);', 'HAVE_AIO_RETURN', msg='Checking for aio_return', headers='aio.h', lib='aio rt')
 517             conf.CHECK_CODE('struct aiocb a; return aio_error(&a);', 'HAVE_AIO_ERROR', msg='Checking for aio_error', headers='aio.h', lib='aio rt')
 518             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')
 519             conf.CHECK_CODE('const struct aiocb * const a[1]; struct timespec t; return aio_suspend(&a, 1, &t);', 'HAVE_AIO_SUSPEND', msg='Checking for aio_suspend', headers='aio.h', lib='aio rt')
 520         if not conf.CONFIG_SET('HAVE_AIO'):
 521             conf.DEFINE('HAVE_NO_AIO', '1')
 522     else:
 523         conf.DEFINE('HAVE_NO_AIO', '1')
 524
 525     if host_os.rfind('linux') > -1:
 526         conf.CHECK_FUNCS_IN('io_submit', 'aio')
 527         conf.CHECK_CODE('''
 528 struct io_event ioev;
 529 struct iocb *ioc;
 530 io_context_t ctx;
 531 struct timespec ts;
 532 int fd;
 533 char *buf;
 534 fd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
 535 io_queue_init(128,&ctx);
 536 io_prep_pwrite(ioc, 1, buf, 1, 0);
 537 io_prep_pread(ioc, 1, buf, 1, 0);
 538 io_set_eventfd(ioc, fd);
 539 io_set_callback(ioc, (io_callback_t)(0));
 540 io_submit(ctx, 1, &ioc);
 541 io_getevents(ctx, 1, 1, &ioev, &ts);
 542 ''',
 543                         'HAVE_LINUX_KERNEL_AIO',
 544                         msg='Checking for linux kernel asynchronous io support',
 545                         headers='unistd.h stdlib.h sys/types.h fcntl.h sys/eventfd.h libaio.h',
 546                         lib='aio')
 547
 548     conf.CHECK_CODE('''
 549 struct msghdr msg;
 550 union {
 551         struct cmsghdr cm;
 552         char control[CMSG_SPACE(sizeof(int))];
 553 } control_un;
 554 msg.msg_control = control_un.control;
 555 msg.msg_controllen = sizeof(control_un.control);
 556 ''',
 557         'HAVE_MSGHDR_MSG_CONTROL',
 558         msg='Checking if we can use msg_control for passing file descriptors',
 559         headers='sys/types.h stdlib.h stddef.h sys/socket.h sys/un.h')
 560     conf.CHECK_CODE('''
 561 struct msghdr msg;
 562 int fd;
 563 msg.msg_acctrights = (caddr_t) &fd;
 564 msg.msg_acctrightslen = sizeof(fd);
 565 ''',
 566         'HAVE_MSGHDR_MSG_ACCTRIGHTS',
 567         msg='Checking if we can use msg_acctrights for passing file descriptors',
 568         headers='sys/types.h stdlib.h stddef.h sys/socket.h sys/un.h')
 569
 570     if Options.options.with_winbind:
 571         conf.env.build_winbind = True
 572         conf.DEFINE('WITH_WINBIND', '1')
 573
 574     conf.find_program('awk', var='AWK')
 575     conf.find_program('perl', var='PERL')
 576
 577     conf.CHECK_HEADERS('asm/types.h')
 578
 579     conf.CHECK_CODE('dev_t dev; int i = major(dev); return 0', "HAVE_DEVICE_MAJOR_FN",
 580                     headers='unistd.h sys/types.h',
 581                     msg="Checking for major macro")
 582
 583     conf.CHECK_CODE('dev_t dev; int i = minor(dev); return 0', "HAVE_DEVICE_MINOR_FN",
 584                     headers='unistd.h sys/types.h',
 585                     msg="Checking for minor macro")
 586
 587     conf.CHECK_STRUCTURE_MEMBER('struct dirent', 'd_off',
 588                                 headers='unistd.h sys/types.h dirent.h',
 589                                 define='HAVE_DIRENT_D_OFF')
 590
 591     conf.CHECK_FUNCS('setnetgrent getnetgrent endnetgrent')
 592     if conf.CHECK_CFLAGS('-Werror-implicit-function-declaration'):
 593         netgrent_cflags = '-Werror-implicit-function-declaration'
 594     else:
 595         netgrent_cflags = ''
 596     conf.CHECK_CODE('setnetgrent("foo")', 'HAVE_SETNETGRENT_PROTOTYPE',
 597                     msg="Checking for setnetgrent prototype",
 598                     headers='netdb.h netgroup.h',
 599                     cflags=netgrent_cflags)
 600     conf.CHECK_CODE('getnetgrent', 'HAVE_GETNETGRENT_PROTOTYPE',
 601                     msg="Checking for getnetgrent prototype",
 602                     headers='netdb.h netgroup.h',
 603                     cflags=netgrent_cflags)
 604     conf.CHECK_CODE('endnetgrent', 'HAVE_ENDNETGRENT_PROTOTYPE',
 605                     msg="Checking for endnetgrent prototype",
 606                     headers='netdb.h netgroup.h',
 607                     cflags=netgrent_cflags)
 608
 609
 610     # Look for CUPS
 611     if Options.options.with_cups:
 612         conf.find_program('cups-config', var='CUPS_CONFIG')
 613         if conf.env.CUPS_CONFIG:
 614             # we would normally use --libs here, but cups-config incorrectly adds
 615             # gssapi_krb5 and other libraries to its --libs output. That breaks the use
 616             # of an in-tree heimdal kerberos
 617             conf.check_cfg(path=conf.env.CUPS_CONFIG, args="--cflags --ldflags",
 618                            package="", uselib_store="CUPS")
 619         conf.CHECK_HEADERS('cups/cups.h cups/language.h', lib='cups')
 620         conf.CHECK_FUNCS_IN('httpConnect httpConnectEncrypt', 'cups')
 621         if conf.CONFIG_SET('HAVE_CUPS_CUPS_H') and conf.CONFIG_SET('HAVE_CUPS_LANGUAGE_H'):
 622             conf.DEFINE('HAVE_CUPS', '1')
 623         else:
 624             conf.undefine('HAVE_CUPS')
 625             conf.SET_TARGET_TYPE('cups', 'EMPTY')
 626     else:
 627         # define an empty subsystem for cups, to allow it to be used as an empty dependency
 628         conf.SET_TARGET_TYPE('cups', 'EMPTY')
 629
 630     if Options.options.with_iprint:
 631         if conf.CONFIG_SET('HAVE_CUPS'):
 632             conf.DEFINE('HAVE_IPRINT', '1')
 633         else:
 634             Logs.warn("--enable-iprint=yes but cups support not sufficient")
 635     if Options.options.with_syslog:
 636         conf.DEFINE('WITH_SYSLOG', '1')
 637     if Options.options.with_automount:
 638         conf.DEFINE('WITH_AUTOMOUNT', '1')
 639
 640     # Check for LDAP
 641     if Options.options.with_ldap:
 642         conf.CHECK_HEADERS('ldap.h lber.h ldap_pvt.h')
 643         conf.CHECK_TYPE('ber_tag_t', 'unsigned int', headers='ldap.h lber.h')
 644         conf.CHECK_FUNCS_IN('ber_scanf ber_sockbuf_add_io', 'lber')
 645         conf.CHECK_VARIABLE('LDAP_OPT_SOCKBUF', headers='ldap.h')
 646
 647         # if we LBER_OPT_LOG_PRINT_FN we can intercept ldap logging and print it out
 648         # for the samba logs
 649         conf.CHECK_VARIABLE('LBER_OPT_LOG_PRINT_FN',
 650                             define='HAVE_LBER_LOG_PRINT_FN', headers='lber.h')
 651
 652         conf.CHECK_FUNCS_IN('ldap_init ldap_init_fd ldap_initialize ldap_set_rebind_proc', 'ldap')
 653         conf.CHECK_FUNCS_IN('ldap_add_result_entry', 'ldap')
 654
 655         # Check if ldap_set_rebind_proc() takes three arguments
 656         if conf.CHECK_CODE('ldap_set_rebind_proc(0, 0, 0)',
 657                            'LDAP_SET_REBIND_PROC_ARGS',
 658                            msg="Checking whether ldap_set_rebind_proc takes 3 arguments",
 659                            headers='ldap.h lber.h', link=False):
 660             conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '3')
 661         else:
 662             conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '2')
 663
 664         # last but not least, if ldap_init() exists, we want to use ldap
 665         if conf.CONFIG_SET('HAVE_LDAP_INIT') and conf.CONFIG_SET('HAVE_LDAP_H'):
 666             conf.DEFINE('HAVE_LDAP', '1')
 667             conf.DEFINE('LDAP_DEPRECATED', '1')
 668             conf.env['HAVE_LDAP'] = '1'
 669             # if ber_sockbuf_add_io() and LDAP_OPT_SOCKBUF are available, we can add
 670             # SASL wrapping hooks
 671             if conf.CONFIG_SET('HAVE_BER_SOCKBUF_ADD_IO') and \
 672                     conf.CONFIG_SET('HAVE_LDAP_OPT_SOCKBUF'):
 673                 conf.DEFINE('HAVE_LDAP_SASL_WRAPPING', '1')
 674         else:
 675             conf.fatal("LDAP support not found. "
 676                        "Try installing libldap2-dev or openldap-devel. "
 677                        "Otherwise, use --without-ldap to build without "
 678                        "LDAP support. "
 679                        "LDAP support is required for the LDAP passdb backend, "
 680                        "LDAP idmap backends and ADS. "
 681                        "ADS support improves communication with "
 682                        "Active Directory domain controllers.")
 683     else:
 684         conf.SET_TARGET_TYPE('ldap', 'EMPTY')
 685         conf.SET_TARGET_TYPE('lber', 'EMPTY')
 686
 687     if Options.options.with_ads == False:
 688         use_ads = False
 689         use_ads_krb5 = False
 690         use_ads_ldap = False
 691     else:
 692         use_ads = True
 693         use_ads_krb5 = True
 694         use_ads_ldap = True
 695         if not conf.CONFIG_SET('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5') and \
 696            not conf.CONFIG_SET('HAVE_ENCTYPE_ARCFOUR_HMAC'):
 697             Logs.warn("arcfour-hmac-md5 encryption type not found in -lkrb5")
 698             use_ads_krb5 = False
 699         if not conf.CONFIG_SET('HAVE_KRB5_MK_REQ_EXTENDED'):
 700             Logs.warn("krb5_mk_req_extended not found in -lkrb5")
 701             use_ads_krb5 = False
 702         if not conf.CONFIG_SET('HAVE_KRB5_GET_HOST_REALM'):
 703             Logs.warn("krb5_get_host_realm not found in -lkrb5")
 704             use_ads_krb5 = False
 705         if not conf.CONFIG_SET('HAVE_KRB5_FREE_HOST_REALM'):
 706             Logs.warn("krb5_free_host_realm not found in -lkrb5")
 707             use_ads_krb5 = False
 708         if not conf.CONFIG_SET('HAVE_KRB5_FWD_TGT_CREDS'):
 709             Logs.warn("krb5_fwd_tgt_creds found in -lkrb5")
 710             use_ads_krb5 = False
 711         if not conf.CONFIG_SET('HAVE_KRB5_GET_INIT_CREDS_OPT_ALLOC'):
 712             Logs.warn("krb5_get_init_creds_opt_alloc not found in -lkrb5")
 713             use_ads_krb5 = False
 714         if not conf.CONFIG_SET('KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT'):
 715             Logs.warn("krb5_get_init_creds_opt_free was not found or was too old in -lkrb5")
 716             use_ads_krb5 = False
 717         if not conf.CONFIG_SET('HAVE_KRB5_GET_RENEWED_CREDS'):
 718             Logs.warn("krb5_get_renewed_creds not found in -lkrb5")
 719             use_ads_krb5 = False
 720         if not conf.CONFIG_SET('HAVE_KRB5_PRINCIPAL_COMPARE_ANY_REALM'):
 721             Logs.warn("krb5_principal_compare_any_realm not found in -lkrb5")
 722             use_ads_krb5 = False
 723         if not conf.CONFIG_SET('HAVE_KRB5_C_STRING_TO_KEY') and \
 724            not conf.CONFIG_SET('HAVE_KRB5_STRING_TO_KEY_SALT'):
 725             Logs.warn("krb5_c_string_to_key not found in -lkrb5")
 726             use_ads_krb5 = False
 727         if not conf.CONFIG_SET('HAVE_KRB5_PRINCIPAL2SALT') and \
 728            not conf.CONFIG_SET('HAVE_KRB5_GET_PW_SALT'):
 729             Logs.warn("no CREATE_KEY_FUNCTIONS detected")
 730             use_ads_krb5 = False
 731         if not conf.CONFIG_SET('HAVE_KRB5_GET_PERMITTED_ENCTYPES') and \
 732            not conf.CONFIG_SET('HAVE_KRB5_GET_DEFAULT_IN_TKT_ETYPES'):
 733             Logs.warn("no GET_ENCTYPES_FUNCTIONS detected")
 734             use_ads_krb5 = False
 735         if not conf.CONFIG_SET('HAVE_KRB5_KT_FREE_ENTRY') and \
 736            not conf.CONFIG_SET('HAVE_KRB5_FREE_KEYTAB_ENTRY_CONTENTS'):
 737             Logs.warn("no KT_FREE_FUNCTION detected")
 738             use_ads_krb5 = False
 739         if not conf.CONFIG_SET('HAVE_KRB5_C_VERIFY_CHECKSUM'):
 740             Logs.warn("krb5_c_verify_checksum_compare not found in -lkrb5")
 741             use_ads_krb5 = False
 742
 743         # We don't actually use
 744         # gsskrb5_extract_authz_data_from_sec_context, but it is a
 745         # clue that this Heimdal, which does the PAC processing we
 746         # need on the standard gss_inquire_sec_context_by_oid
 747         if not conf.CONFIG_SET('HAVE_GSS_GET_NAME_ATTRIBUTE') and \
 748             not (conf.CONFIG_SET('HAVE_GSSKRB5_EXTRACT_AUTHZ_DATA_FROM_SEC_CONTEXT') and \
 749                      conf.CONFIG_SET('HAVE_GSS_INQUIRE_SEC_CONTEXT_BY_OID')):
 750             Logs.warn("need either gss_get_name_attribute or gsskrb5_extract_authz_data_from_sec_context and gss_inquire_sec_context_by_oid in -lgssapi for PAC support")
 751             use_ads_krb5 = False
 752
 753         if not conf.CONFIG_SET('HAVE_GSS_KRB5_EXPORT_LUCID_SEC_CONTEXT'):
 754             Logs.warn("need gss_krb5_export_lucid_sec_context for SPNEGO and gss_wrap support")
 755             use_ads_krb5 = False
 756
 757         if use_ads_krb5:
 758             conf.DEFINE('HAVE_KRB5', '1')
 759             conf.env['HAVE_KRB5'] = '1'
 760         else:
 761             conf.undefine('HAVE_KRB5_H')
 762             conf.undefine('HAVE_GSSAPI_H')
 763             conf.undefine('HAVE_GSSAPI_GSSAPI_GENERIC_H')
 764             conf.undefine('HAVE_GSSAPI_GSSAPI_H')
 765             use_ads = False
 766
 767         if not conf.CONFIG_SET('HAVE_LDAP'):
 768             use_ads = False
 769             use_ads_ldap = False
 770
 771     if use_ads:
 772         conf.DEFINE('WITH_ADS', '1')
 773         conf.env['HAVE_ADS'] = '1'
 774         Logs.info("Building with Active Directory support.")
 775     elif Options.options.with_ads == False:
 776         Logs.info("Building without Active Directory support (--without-ads).")
 777     else:
 778         if not use_ads_krb5:
 779             Logs.warn("Active Directory support not available: krb5 libs don't have all required features")
 780         if not use_ads_ldap:
 781             Logs.warn("Active Directory support not available: LDAP support is not available.")
 782         if Options.options.with_ads:
 783             conf.fatal("Active Directory support not found. Use --without-ads "
 784                        "for building without Active Directory support. "
 785                        "ADS support improves communication with "
 786                        "Active Directory domain controllers.")
 787         else:
 788             # this is the auto-mode case
 789             Logs.warn("Building without Active Directory support.")
 790
 791
 792     if Options.options.with_utmp:
 793         conf.env.with_utmp = True
 794         if not conf.CHECK_HEADERS('utmp.h'): conf.env.with_utmp = False
 795         conf.CHECK_FUNCS('pututline pututxline updwtmp updwtmpx getutmpx getutxent')
 796         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_name', headers='utmp.h',
 797                                     define='HAVE_UT_UT_NAME')
 798         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_user', headers='utmp.h',
 799                                     define='HAVE_UT_UT_USER')
 800         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_id', headers='utmp.h',
 801                                     define='HAVE_UT_UT_ID')
 802         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_host', headers='utmp.h',
 803                                     define='HAVE_UT_UT_HOST')
 804         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_time', headers='utmp.h',
 805                                     define='HAVE_UT_UT_TIME')
 806         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_tv', headers='utmp.h',
 807                                     define='HAVE_UT_UT_TV')
 808         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_type', headers='utmp.h',
 809                                     define='HAVE_UT_UT_TYPE')
 810         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_pid', headers='utmp.h',
 811                                     define='HAVE_UT_UT_PID')
 812         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_exit.e_exit', headers='utmp.h',
 813                                     define='HAVE_UT_UT_EXIT')
 814         conf.CHECK_STRUCTURE_MEMBER('struct utmpx', 'ut_syslen', headers='utmpx.h',
 815                                     define='HAVE_UX_UT_SYSLEN')
 816         conf.CHECK_CODE('struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);',
 817                         'PUTUTLINE_RETURNS_UTMP', headers='utmp.h',
 818                         msg="Checking whether pututline returns pointer")
 819         conf.CHECK_SIZEOF(['((struct utmp *)NULL)->ut_line'], headers='utmp.h',
 820                           define='SIZEOF_UTMP_UT_LINE')
 821         if not conf.CONFIG_SET('SIZEOF_UTMP_UT_LINE'):
 822             conf.env.with_utmp = False
 823         elif int(conf.env.SIZEOF_UTMP_UT_LINE) < 15:
 824             conf.env.with_utmp = False
 825         if conf.env.with_utmp:
 826             conf.DEFINE('WITH_UTMP', 1)
 827         else:
 828             Logs.warn("--with-utmp but utmp support not sufficient")
 829
 830     if Options.options.with_avahi:
 831         conf.env.with_avahi = True
 832         if not conf.CHECK_HEADERS('avahi-common/watch.h avahi-client/client.h'): conf.env.with_avahi = False
 833         if not conf.CHECK_FUNCS_IN('avahi_client_new', 'avahi-client'): conf.env.with_avahi = False
 834         if not conf.CHECK_FUNCS_IN('avahi_strerror', 'avahi-common'): conf.env.with_avahi = False
 835         if conf.env.with_avahi:
 836             conf.DEFINE('WITH_AVAHI_SUPPORT', 1)
 837     else:
 838         conf.SET_TARGET_TYPE('avahi-common', 'EMPTY')
 839         conf.SET_TARGET_TYPE('avahi-client', 'EMPTY')
 840
 841     if Options.options.with_iconv:
 842         conf.env.with_iconv = True
 843         if not conf.CHECK_FUNCS_IN('iconv_open', 'iconv', headers='iconv.h'):
 844             conf.env.with_iconv = False
 845         if conf.env.with_iconv:
 846             conf.DEFINE('HAVE_ICONV', 1)
 847
 848     if Options.options.with_pam:
 849         use_pam=True
 850         conf.CHECK_HEADERS('security/pam_appl.h pam/pam_appl.h')
 851         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_APPL_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_APPL_H'):
 852             Logs.warn("--with-pam=yes but pam_appl.h not found")
 853             use_pam=False
 854         conf.CHECK_FUNCS_IN('pam_get_data', 'pam')
 855         conf.CHECK_HEADERS('security/pam_modules.h pam/pam_modules.h')
 856         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_MODULES_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_MODULES_H'):
 857             Logs.warn("--with-pam=yes but pam_modules.h not found")
 858             use_pam=False
 859         conf.CHECK_HEADERS('security/pam_ext.h security/_pam_macros.h')
 860         conf.CHECK_HEADERS('pam/pam_ext.h pam/_pam_macros.h')
 861         conf.CHECK_FUNCS_IN('pam_vsyslog', 'pam')
 862         conf.CHECK_CODE('''
 863 #if defined(HAVE_SECURITY_PAM_APPL_H)
 864 #include <security/pam_appl.h>
 865 #elif defined(HAVE_PAM_PAM_APPL_H)
 866 #include <pam/pam_appl.h>
 867 #endif
 868 pam_set_item(0, PAM_RHOST, 0);
 869 ''',
 870             'HAVE_PAM_RHOST',
 871             lib='pam',
 872             msg="Checking whether PAM_RHOST is available");
 873         conf.CHECK_CODE('''
 874 #if defined(HAVE_SECURITY_PAM_APPL_H)
 875 #include <security/pam_appl.h>
 876 #elif defined(HAVE_PAM_PAM_APPL_H)
 877 #include <pam/pam_appl.h>
 878 #endif
 879 pam_set_item(0, PAM_TTY, 0);
 880 ''',
 881             'HAVE_PAM_TTY',
 882             lib='pam',
 883             msg="Checking whether PAM_TTY is available");
 884         conf.CHECK_CODE('''
 885 #if (!defined(LINUX))
 886
 887 #define PAM_EXTERN extern
 888 #if defined(HAVE_SECURITY_PAM_APPL_H)
 889 #include <security/pam_appl.h>
 890 #elif defined(HAVE_PAM_PAM_APPL_H)
 891 #include <pam/pam_appl.h>
 892 #endif
 893
 894 #endif
 895
 896 #if defined(HAVE_SECURITY_PAM_MODULES_H)
 897 #include <security/pam_modules.h>
 898 #elif defined(HAVE_PAM_PAM_MODULES_H)
 899 #include <pam/pam_modules.h>
 900 #endif
 901
 902 #if defined(HAVE_SECURITY__PAM_MACROS_H)
 903 #include <security/_pam_macros.h>
 904 #elif defined(HAVE_PAM__PAM_MACROS_H)
 905 #include <pam/_pam_macros.h>
 906 #endif
 907
 908 #ifdef HAVE_SECURITY_PAM_EXT_H
 909 #include <security/pam_ext.h>
 910 #endif
 911
 912 int i; i = PAM_RADIO_TYPE;
 913 ''',
 914             'HAVE_PAM_RADIO_TYPE',
 915             lib='pam',
 916             msg="Checking whether PAM_RADIO_TYPE is available");
 917         if use_pam:
 918             conf.DEFINE('WITH_PAM', 1)
 919             conf.DEFINE('WITH_PAM_MODULES', 1)
 920
 921     if Options.options.with_pam_smbpass:
 922         conf.env.with_pam_smbpass = True
 923
 924     seteuid = False
 925
 926 #
 927 # Ensure we select the correct set of system calls on Linux.
 928 #
 929     if (host_os.rfind('linux') > -1):
 930         conf.CHECK_CODE('''
 931 #if defined(HAVE_UNISTD_H)
 932 #include <unistd.h>
 933 #endif
 934 #include <stdlib.h>
 935 #include <stdio.h>
 936 #include <sys/types.h>
 937 #include <errno.h>
 938
 939 #ifdef HAVE_SYS_PRIV_H
 940 #include <sys/priv.h>
 941 #endif
 942 #ifdef HAVE_SYS_ID_H
 943 #include <sys/id.h>
 944 #endif
 945
 946 #if defined(HAVE_SYSCALL_H)
 947 #include <syscall.h>
 948 #endif
 949
 950 #if defined(HAVE_SYS_SYSCALL_H)
 951 #include <sys/syscall.h>
 952 #endif
 953
 954 syscall(SYS_setresuid32, -1, -1, -1);
 955 syscall(SYS_setresgid32, -1, -1, -1);
 956 syscall(SYS_setreuid32, -1, -1);
 957 syscall(SYS_setregid32, -1, -1);
 958 syscall(SYS_setuid32, -1);
 959 syscall(SYS_setgid32, -1);
 960 syscall(SYS_setgroups32, 0, NULL);
 961 ''',
 962             'USE_LINUX_32BIT_SYSCALLS',
 963             msg="Checking whether Linux should use 32-bit credential calls");
 964
 965         if (conf.CONFIG_SET('USE_LINUX_32BIT_SYSCALLS')):
 966             seteuid = conf.CHECK_CODE('''
 967                                 #define AUTOCONF_TEST 1
 968                                 #define USE_LINUX_THREAD_CREDENTIALS 1
 969                                 #define USE_LINUX_32BIT_SYSCALLS 1
 970                                 #include "../lib/util/setid.c"
 971                                 #include "./lib/util_sec.c"
 972                                 ''',
 973                                 'USE_LINUX_THREAD_CREDENTIALS',
 974                                 addmain=False,
 975                                 execute=True,
 976                                 msg="Checking whether we can use Linux thread-specific credentials with 32-bit system calls")
 977         else:
 978             seteuid = conf.CHECK_CODE('''
 979                                 #define AUTOCONF_TEST 1
 980                                 #define USE_LINUX_THREAD_CREDENTIALS 1
 981                                 #include "../lib/util/setid.c"
 982                                 #include "./lib/util_sec.c"
 983                                 ''',
 984                                 'USE_LINUX_THREAD_CREDENTIALS',
 985                                 addmain=False,
 986                                 execute=True,
 987                                 msg="Checking whether we can use Linux thread-specific credentials")
 988     if not seteuid:
 989         seteuid = conf.CHECK_CODE('''
 990                                 #define AUTOCONF_TEST 1
 991                                 #define USE_SETREUID 1
 992                                 #include "../lib/util/setid.c"
 993                                 #include "./lib/util_sec.c"
 994                                 ''',
 995                                 'USE_SETREUID',
 996                                 addmain=False,
 997                                 execute=True,
 998                                 msg="Checking whether setreuid is available")
 999     if not seteuid:
1000         seteuid = conf.CHECK_CODE('''
1001                                 #define AUTOCONF_TEST 1
1002                                 #define USE_SETRESUID 1
1003                                 #include "../lib/util/setid.c"
1004                                 #include "./lib/util_sec.c"
1005                                 ''',
1006                                 'USE_SETRESUID',
1007                                 addmain=False,
1008                                 execute=True,
1009                                 msg="Checking whether setresuid is available")
1010     if not seteuid:
1011         seteuid = conf.CHECK_CODE('''
1012                                 #define AUTOCONF_TEST 1
1013                                 #define USE_SETEUID 1
1014                                 #include "../lib/util/setid.c"
1015                                 #include "./lib/util_sec.c"
1016                                 ''',
1017                                 'USE_SETEUID',
1018                                 addmain=False,
1019                                 execute=True,
1020                                 msg="Checking whether seteuid is available")
1021     if not seteuid:
1022         seteuid = conf.CHECK_CODE('''
1023                                 #define AUTOCONF_TEST 1
1024                                 #define USE_SETUIDX 1
1025                                 #include "../lib/util/setid.c"
1026                                 #include "./lib/util_sec.c"
1027                                 ''',
1028                                 'USE_SETUIDX',
1029                                 addmain=False,
1030                                 execute=True,
1031                                 mandatory=True,
1032                                 msg="Checking whether setuidx is available")
1033     if Options.options.with_dnsupdate:
1034         if not conf.CONFIG_SET('HAVE_KRB5'):
1035             Logs.warn("--with-dnsupdate=yes but gssapi support not sufficient")
1036         else:
1037             conf.DEFINE('WITH_DNS_UPDATES', 1)
1038     conf.CHECK_HEADERS('valgrind.h valgrind/valgrind.h valgrind/memcheck.h')
1039     if Options.options.developer:
1040         if conf.CONFIG_SET('HAVE_VALGRIND_H') or conf.CONFIG_SET('HAVE_VALGRIND_VALGRIND_H'):
1041             conf.DEFINE('VALGRIND', '1')
1042
1043     if conf.CHECK_CODE('''
1044 #include <bits/sockaddr.h>
1045 #include <linux/netlink.h>
1046 ''',
1047                 'HAVE_LINUX_NETLINK_H',
1048                 msg="Checking whether Linux netlink is available"):
1049
1050         conf.CHECK_CODE('''
1051 #include <bits/sockaddr.h>
1052 #include <linux/netlink.h>
1053 #include <linux/rtnetlink.h>
1054 ''',
1055                 'HAVE_LINUX_RTNETLINK_H',
1056                 msg='Checking whether Linux rtnetlink is available')
1057
1058     conf.CHECK_CODE('''
1059 #include "../tests/fcntl_lock.c"
1060 ''',
1061                 'HAVE_FCNTL_LOCK',
1062                 addmain=False,
1063                 execute=True,
1064                 msg='Checking whether fcntl locking is available')
1065
1066 # glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
1067     if not conf.CHECK_CODE('''
1068 #define _XOPEN_SOURCE 600
1069 #include <stdlib.h>
1070 #if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
1071 #error probably broken posix_fallocate
1072 #endif
1073 ''',
1074                            '_HAVE_UNBROKEN_POSIX_FALLOCATE',
1075                            msg='Checking for broken posix_fallocate'):
1076         conf.DEFINE('HAVE_BROKEN_POSIX_FALLOCATE', '1')
1077
1078
1079     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtim.tv_nsec',
1080                                 define='HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') # Linux, Solaris
1081     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimensec',
1082                                 define='HAVE_STRUCT_STAT_ST_MTIMENSEC') # BSD, if defined _POSIX_SOURCE
1083     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimespec.tv_nsec',
1084                                 define='HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') # BSD, if not defined _POSIX_SOURCE
1085     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtime_n',
1086                                 define='HAVE_STRUCT_STAT_ST_MTIME_N') # AIX
1087     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_umtime',
1088                                 define='HAVE_STRUCT_STAT_ST_UMTIME') # Tru64
1089     if conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') or \
1090        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMENSEC') or \
1091        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') or \
1092        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIME_N') or \
1093        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_UMTIME'):
1094         conf.DEFINE('HAVE_STAT_HIRES_TIMESTAMPS', '1')
1095
1096     # recent FreeBSD, NetBSD have creation timestamps called birthtime:
1097     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtime',
1098                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIME')
1099     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimespec.tv_nsec',
1100                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC')
1101     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimensec',
1102                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC')
1103
1104     conf.CHECK_CODE('''
1105 ssize_t err = posix_fadvise(0,0,0x80000,POSIX_FADV_WILLNEED);
1106 ''',
1107                 'HAVE_POSIX_FADVISE',
1108                 msg='Checking whether posix_fadvise is available',
1109                 headers='unistd.h fcntl.h')
1110
1111     for v in ['_SC_NGROUPS_MAX', '_SC_NPROC_ONLN', '_SC_NPROCESSORS_ONLN', '_SC_PAGESIZE' ]:
1112         conf.CHECK_CODE('''
1113                         #include <unistd.h>
1114                         return sysconf(%s) == -1 ? 1 : 0;
1115                         ''' % v,
1116                         'SYSCONF%s' % v,
1117                         msg='Checking whether sysconf(%s) is available' % v)
1118
1119     conf.CHECK_CODE('''
1120 #include <sys/syscall.h>
1121 #include <unistd.h>
1122 syscall(SYS_initgroups, 16, NULL, NULL, 0);
1123                     ''',
1124                     'HAVE_DARWIN_INITGROUPS',
1125                     msg='Checking whether to use the Darwin-specific initgroups system call')
1126
1127     conf.CHECK_CODE('''struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));''',
1128                     'HAVE_UTIMBUF',
1129                     headers='sys/types.h utime.h',
1130                     msg='Checking whether struct utimbuf is available')
1131
1132     if conf.CHECK_CODE('''struct sigevent s;''',
1133                     'HAVE_STRUCT_SIGEVENT',
1134                     headers='sys/types.h stdlib.h stddef.h signal.h',
1135                     msg='Checking whether we have the struct sigevent'):
1136         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sival_ptr',
1137                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIVAL_PTR',
1138                                     headers='signal.h');
1139         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sigval_ptr',
1140                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIGVAL_PTR',
1141                                     headers='signal.h');
1142
1143     if os.path.exists('/proc/sys/kernel/core_pattern'):
1144         conf.DEFINE('HAVE_SYS_KERNEL_PROC_CORE_PATTERN', '1')
1145
1146     if conf.CHECK_CODE('''
1147 #include <time.h>
1148 main() {
1149         struct tm *tm;
1150         if (sizeof(time_t) == 8) {
1151                 time_t max_time = 0x7fffffffffffffffll;
1152                 tm = gmtime(&max_time);
1153                 /* This should fail with 32-bit tm_year. */
1154                 if (tm == NULL) {
1155                         /* Max time_t that works with 32-bit int tm_year in struct tm. */
1156                         max_time = 67768036191676799ll;
1157                         tm = gmtime(&max_time);
1158                         if (tm) {
1159                                 exit(0);
1160                         }
1161                 }
1162         }
1163         exit(1);
1164 }''',
1165         '__TIME_T_MAX',
1166         addmain=False,
1167         execute=True,
1168         msg="Checking for the maximum value of the 'time_t' type"):
1169             conf.DEFINE('TIME_T_MAX', '67768036191676799ll')
1170
1171     conf.CHECK_CODE('''
1172 #if defined(HAVE_UNISTD_H)
1173 #include <unistd.h>
1174 #endif
1175 #include <sys/types.h>
1176 main() { dev_t dev = makedev(1,2); return 0; }
1177 ''',
1178         'HAVE_MAKEDEV',
1179         addmain=False,
1180         msg='Checking whether the macro for makedev is available')
1181
1182     conf.CHECK_CODE('''
1183 #include <stdio.h>
1184 #include <limits.h>
1185 #include <signal.h>
1186
1187 void exit_on_core(int ignored) {
1188         exit(1);
1189 }
1190
1191 main() {
1192         char *newpath;
1193         signal(SIGSEGV, exit_on_core);
1194         newpath = realpath("/tmp", NULL);
1195         exit((newpath != NULL) ? 0 : 1);
1196 }
1197 ''',
1198         'REALPATH_TAKES_NULL',
1199         addmain=False,
1200         execute=True,
1201         msg='Checking whether the realpath function allows a NULL argument')
1202
1203     conf.CHECK_CODE('''#include "../tests/ftruncate.c"''',
1204                     'HAVE_FTRUNCATE_EXTEND',
1205                     msg='Checking for ftruncate extend',
1206                     addmain=False,
1207                     execute=True)
1208
1209     if Options.options.with_sendfile_support:
1210         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):
1211             conf.CHECK_CODE('''
1212                             int tofd, fromfd;
1213                             off_t offset;
1214                             size_t total;
1215                             ssize_t nwritten = sendfile(tofd, fromfd, &offset, total);
1216                             ''',
1217                             '_HAVE_SENDFILE',
1218                             headers='sys/sendfile.h',
1219                             msg='Checking for linux sendfile support')
1220
1221             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1222                 conf.DEFINE('HAVE_SENDFILE', '1')
1223                 conf.DEFINE('LINUX_SENDFILE_API', '1')
1224                 conf.DEFINE('WITH_SENDFILE', '1')
1225         elif (host_os.rfind('freebsd') > -1) or (host_os.rfind('dragonfly') > -1):
1226             conf.CHECK_CODE('''
1227                             #include <sys/types.h>
1228                             #include <unistd.h>
1229                             #include <sys/socket.h>
1230                             #include <sys/uio.h>
1231                             int fromfd, tofd, ret, total=0;
1232                             off_t offset, nwritten;
1233                             struct sf_hdtr hdr;
1234                             struct iovec hdtrl;
1235                             hdr.headers = &hdtrl;
1236                             hdr.hdr_cnt = 1;
1237                             hdr.trailers = NULL;
1238                             hdr.trl_cnt = 0;
1239                             hdtrl.iov_base = NULL;
1240                             hdtrl.iov_len = 0;
1241                             ret = sendfile(fromfd, tofd, offset, total, &hdr, &nwritten, 0)
1242                             ''',
1243                             '_HAVE_SENDFILE',
1244                             msg='Checking for freebsd sendfile support')
1245             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1246                 conf.DEFINE('HAVE_SENDFILE', '1')
1247                 conf.DEFINE('FREEBSD_SENDFILE_API', '1')
1248                 conf.DEFINE('WITH_SENDFILE', '1')
1249         elif (host_os.rfind('darwin') > -1):
1250             conf.CHECK_CODE('''
1251                             #include <sys/types.h>
1252                             #include <sys/socket.h>
1253                             #include <sys/uio.h>
1254                             int fromfd, tofd, ret;
1255                             off_t offset, nwritten;
1256                             struct sf_hdtr hdr;
1257                             struct iovec hdtrl;
1258                             hdr.headers = &hdtrl;
1259                             hdr.hdr_cnt = 1;
1260                             hdr.trailers = (void *)0;
1261                             hdr.trl_cnt = 0;
1262                             hdtrl.iov_base = (void *)0;
1263                             hdtrl.iov_len = 0;
1264                             ret = sendfile(fromfd, tofd, offset, &nwritten, &hdr, 0);
1265                             ''',
1266                             '_HAVE_SENDFILE',
1267                             msg='Checking for darwin sendfile support')
1268             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1269                 conf.DEFINE('HAVE_SENDFILE', '1')
1270                 conf.DEFINE('DARWIN_SENDFILE_API', '1')
1271                 conf.DEFINE('WITH_SENDFILE', '1')
1272         elif (host_os.rfind('hpux') > -1) or (host_os.rfind('osf') > -1):
1273             conf.CHECK_CODE('''
1274                             #include <sys/socket.h>
1275                             #include <sys/uio.h>
1276                             int fromfd, tofd;
1277                             size_t total=0;
1278                             struct iovec hdtrl[2];
1279                             ssize_t nwritten;
1280                             off_t offset;
1281                             hdtrl[0].iov_base = 0;
1282                             hdtrl[0].iov_len = 0;
1283                             nwritten = sendfile(tofd, fromfd, offset, total, &hdtrl[0], 0);
1284                             ''',
1285                             '_HAVE_SENDFILE',
1286                             msg='Checking for osf/hpux sendfile support')
1287             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1288                 conf.DEFINE('HAVE_SENDFILE', '1')
1289                 conf.DEFINE('HPUX_SENDFILE_API', '1')
1290                 conf.DEFINE('WITH_SENDFILE', '1')
1291         elif (host_os.rfind('solaris') > -1):
1292             conf.CHECK_FUNCS_IN('sendfile', 'sendfilev')
1293             conf.CHECK_CODE('''
1294                             #include <sys/sendfile.h>,
1295                             int sfvcnt;
1296                             size_t xferred;
1297                             struct sendfilevec vec[2];
1298                             ssize_t nwritten;
1299                             int tofd;
1300                             sfvcnt = 2;
1301                             vec[0].sfv_fd = SFV_FD_SELF;
1302                             vec[0].sfv_flag = 0;
1303                             vec[0].sfv_off = 0;
1304                             vec[0].sfv_len = 0;
1305                             vec[1].sfv_fd = 0;
1306                             vec[1].sfv_flag = 0;
1307                             vec[1].sfv_off = 0;
1308                             vec[1].sfv_len = 0;
1309                             nwritten = sendfilev(tofd, vec, sfvcnt, &xferred);
1310                             ''',
1311                             '_HAVE_SENDFILEV',
1312                             msg='Checking for solaris sendfilev support')
1313             if conf.CONFIG_SET('_HAVE_SENDFILEV'):
1314                 conf.DEFINE('HAVE_SENDFILEV', '1')
1315                 conf.DEFINE('SOLARIS_SENDFILE_API', '1')
1316                 conf.DEFINE('WITH_SENDFILE', '1')
1317         elif (host_os.rfind('aix') > -1):
1318             conf.CHECK_CODE('''
1319                             #include <sys/socket.h>
1320                             int fromfd, tofd;
1321                             size_t total=0;
1322                             struct sf_parms hdtrl;
1323                             ssize_t nwritten;
1324                             hdtrl.header_data = 0;
1325                             hdtrl.header_length = 0;
1326                             hdtrl.file_descriptor = fromfd;
1327                             hdtrl.file_offset = 0;
1328                             hdtrl.file_bytes = 0;
1329                             hdtrl.trailer_data = 0;
1330                             hdtrl.trailer_length = 0;
1331                             nwritten = send_file(&tofd, &hdtrl, 0);
1332                             ''',
1333                             '_HAVE_SENDFILE',
1334                             msg='Checking for AIX send_file support')
1335             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1336                 conf.DEFINE('HAVE_SENDFILE', '1')
1337                 conf.DEFINE('AIX_SENDFILE_API', '1')
1338                 conf.DEFINE('WITH_SENDFILE', '1')
1339
1340     # Check for getcwd allowing a NULL arg.
1341     conf.CHECK_CODE('''
1342 #include <unistd.h>
1343 main() {
1344         char *s = getcwd(NULL,0);
1345         exit(s != NULL ?  0 : 1);
1346 }''', 'GETCWD_TAKES_NULL', addmain=False, execute=True,
1347         msg="getcwd takes a NULL argument")
1348
1349
1350     # UnixWare 7.x has its getspnam in -lgen
1351     conf.CHECK_FUNCS_IN('getspnam', 'gen')
1352     conf.CHECK_FUNCS_IN('getspnam', 'security')
1353     conf.CHECK_FUNCS_IN('getspnam', 'sec')
1354
1355     if Options.options.with_quotas:
1356         # For quotas on Veritas VxFS filesystems
1357         conf.CHECK_HEADERS('sys/fs/vx_quota.h')
1358         # For sys/quota.h and linux/quota.h
1359         conf.CHECK_HEADERS('sys/quota.h')
1360         # For quotas on BSD systems
1361         conf.CHECK_HEADERS('ufs/ufs/quota.h')
1362         # For quotas on Linux XFS filesystems
1363         if conf.CHECK_HEADERS('xfs/xqm.h'):
1364             conf.DEFINE('HAVE_XFS_QUOTAS', '1')
1365         else:
1366             # For Irix XFS
1367             conf.CHECK_CODE('''
1368                 #include "confdefs.h"
1369                 #ifdef HAVE_SYS_TYPES_H
1370                 #include <sys/types.h>
1371                 #endif
1372                 #ifdef HAVE_ASM_TYPES_H
1373                 #include <asm/types.h>
1374                 #endif
1375                 #include <sys/quota.h>
1376                 int i = Q_XGETQUOTA;''',
1377                 define='HAVE_XFS_QUOTAS',
1378                 msg='for XFS QUOTA in <sys/quota.h>',
1379                 execute=False,
1380                 local_include=False)
1381
1382         # For IRIX like dqb_isoftlimit instead of dqb_fsoftlimit in struc dqblk
1383         conf.CHECK_STRUCTURE_MEMBER('struct dqblk', 'dqb_fsoftlimit', define='HAVE_DQB_FSOFTLIMIT',
1384                                 headers='sys/quota.h')
1385         #darwin style quota bytecount
1386         conf.CHECK_STRUCTURE_MEMBER('struct dqblk', 'dqb_curbytes', define='HAVE_STRUCT_DQBLK_DQB_CURBYTES',
1387                                 headers='sys/quota.h')
1388         if conf.CHECK_HEADERS('rpcsvc/rquota.h'):
1389             conf.DEFINE('HAVE_NFS_QUOTAS', '1')
1390             conf.CHECK_STRUCTURE_MEMBER('struct getquota_rslt', 'getquota_rslt_u',
1391                                         define='HAVE_GETQUOTA_RSLT_GETQUOTA_RSLT_U',
1392                                         headers='rpcsvc/rquota.h')
1393
1394         if (host_os.rfind('linux') > -1):
1395             conf.DEFINE('HAVE_QUOTACTL_LINUX', '1')
1396         elif not conf.CONFIG_SET("HAVE_XFS_QUOTAS"):
1397             if not conf.CHECK_CODE('''
1398                 #define HAVE_QUOTACTL_4A 1
1399                 #define AUTOCONF_TEST 1
1400                 #include "../tests/sysquotas.c"
1401                 ''',
1402                                    cflags=conf.env['WERROR_CFLAGS'],
1403                                    define='HAVE_QUOTACTL_4A',
1404                                    msg='for QUOTACTL_4A: long quotactl(int cmd, char *special, qid_t id, caddr_t addr)',
1405                                    execute=True,
1406                                    addmain=False):
1407
1408                 conf.CHECK_CODE('''
1409                 #define HAVE_QUOTACTL_4B 1
1410                 #define AUTOCONF_TEST 1
1411                 #include "../tests/sysquotas.c"
1412                 ''',
1413                                 cflags=conf.env['WERROR_CFLAGS'],
1414                                 define='HAVE_QUOTACTL_4B',
1415                                 msg='for QUOTACTL_4B:  int quotactl(const char *path, int cmd, int id, char *addr)',
1416                                 execute=True,
1417                                 addmain=False)
1418
1419         conf.CHECK_CODE('''
1420                      clnt_create("", RQUOTAPROG, RQUOTAVERS, "udp");
1421 ''',
1422                         headers="rpc/rpc.h rpc/types.h rpcsvc/rquota.h rpc/nettype.h rpc/xdr.h",
1423                         define='HAVE_NFS_QUOTAS',
1424                         msg='for NFS QUOTAS',
1425                         execute=True,
1426                         local_include=False)
1427
1428         if conf.CONFIG_SET('HAVE_QUOTACTL_LINUX') or \
1429            conf.CONFIG_SET('HAVE_QUOTACTL_4A') or \
1430            conf.CONFIG_SET('HAVE_QUOTACTL_4B') or \
1431            conf.CONFIG_SET('HAVE_XFS_QUOTAS'):
1432             conf.DEFINE('HAVE_SYS_QUOTAS', '1')
1433             conf.DEFINE('WITH_QUOTAS', '1')
1434
1435     #
1436     # checking for clustering extensions (CTDB)
1437     #
1438     if Options.options.with_cluster_support == False:
1439         # configure is called with --without-cluster-support,
1440         # so don't check for and build w/o ctdb support.
1441         have_cluster_support = False
1442
1443     else:
1444
1445         if Options.options.ctdb_dir:
1446             conf.ADD_EXTRA_INCLUDES(Options.options.ctdb_dir + '/include')
1447
1448         srcdir = os.path.realpath(conf.srcdir)
1449         if 'EXTRA_INCLUDES' in conf.env:
1450             includes = ' '.join(conf.env['EXTRA_INCLUDES']).replace('#', srcdir + '/')
1451         else:
1452             includes = ''
1453
1454         if not conf.env.USING_SYSTEM_TDB:
1455             includes = includes + ' ' + srcdir + '/lib/tdb/include'
1456
1457         if not conf.env.USING_SYSTEM_TALLOC:
1458             includes = includes + ' ' + srcdir + '/lib/talloc'
1459
1460         have_cluster_support = True
1461         ctdb_broken = ""
1462
1463         conf.CHECK_CODE('''
1464             #define NO_CONFIG_H
1465             #include "replace.h"
1466             #include "system/wait.h"
1467             #include "system/network.h"
1468             #define private #error __USED_RESERVED_WORD_private__
1469             #include <talloc.h>
1470             #include <tdb.h>
1471             #include <ctdb.h>
1472
1473             int main(void)
1474             {
1475                 return 0;
1476             }
1477             ''',
1478             'HAVE_CTDB_H',
1479             addmain=False,
1480             includes=includes,
1481             msg='Checking for header ctdb.h')
1482
1483         if not conf.CONFIG_SET('HAVE_CTDB_H'):
1484             have_cluster_support = False
1485             ctdb_broken = "ctdb.h is required for cluster support"
1486
1487         if have_cluster_support:
1488             conf.CHECK_CODE('''
1489                 #define NO_CONFIG_H
1490                 #include "replace.h"
1491                 #include "system/wait.h"
1492                 #include "system/network.h"
1493                 #define private #error __USED_RESERVED_WORD_private__
1494                 #include <talloc.h>
1495                 #include <tdb.h>
1496                 #include <ctdb.h>
1497                 #include <ctdb_private.h>
1498
1499                 int main(void)
1500                 {
1501                     return 0;
1502                 }
1503                 ''',
1504                 'HAVE_CTDB_PRIVATE_H',
1505                 addmain=False,
1506                 includes=includes,
1507                 msg='Checking for header ctdb_private.h')
1508
1509             if not conf.CONFIG_SET('HAVE_CTDB_PRIVATE_H'):
1510                 have_cluster_support = False
1511                 ctdb_broken = "ctdb_private.h is required for cluster support"
1512
1513         if have_cluster_support:
1514             conf.CHECK_CODE('''
1515                 #define NO_CONFIG_H
1516                 #include "replace.h"
1517                 #include "system/wait.h"
1518                 #include "system/network.h"
1519                 #define private #error __USED_RESERVED_WORD_private__
1520                 #include <talloc.h>
1521                 #include <tdb.h>
1522                 #include <ctdb.h>
1523                 #include <ctdb_protocol.h>
1524
1525                 int main(void)
1526                 {
1527                     return 0;
1528                 }
1529                 ''',
1530                 'HAVE_CTDB_PROTOCOL_H',
1531                 addmain=False,
1532                 includes=includes,
1533                 msg='Checking for header ctdb_protocol.h')
1534
1535         if have_cluster_support:
1536             conf.CHECK_CODE('''
1537                 #define NO_CONFIG_H
1538                 #include "replace.h"
1539                 #include "system/wait.h"
1540                 #include "system/network.h"
1541                 #include <talloc.h>
1542                 #include <tdb.h>
1543                 #include <ctdb.h>
1544                 #include <ctdb_private.h>
1545
1546                 int main(void)
1547                 {
1548                    int i = (int)CTDB_CONTROL_TRANS3_COMMIT;
1549                    return 0;
1550                 }
1551                 ''',
1552                 'HAVE_CTDB_CONTROL_TRANS3_COMMIT_DECL',
1553                 addmain=False,
1554                 includes=includes,
1555                 msg='Checking for transaction support (TRANS3_COMMIT control)')
1556
1557             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_TRANS3_COMMIT_DECL'):
1558                 have_cluster_support = False
1559                 ctdb_broken = "ctdb transaction support missing or too old"
1560
1561         if have_cluster_support:
1562             conf.CHECK_CODE('''
1563                 #define NO_CONFIG_H
1564                 #include "replace.h"
1565                 #include "system/wait.h"
1566                 #include "system/network.h"
1567                 #include <talloc.h>
1568                 #include <tdb.h>
1569                 #include <ctdb.h>
1570                 #include <ctdb_private.h>
1571
1572                 int main(void)
1573                 {
1574                     int i = (int)CTDB_CONTROL_SCHEDULE_FOR_DELETION;
1575                     return 0;
1576                 }
1577                 ''',
1578                 'HAVE_CTDB_CONTROL_SCHEDULE_FOR_DELETION_DECL',
1579                 addmain=False,
1580                 includes=includes,
1581                 msg='Checking for SCHEDULE_FOR_DELETION control')
1582
1583             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_SCHEDULE_FOR_DELETION_DECL'):
1584                 if not Options.options.enable_old_ctdb:
1585                     have_cluster_support = False
1586                     ctdb_broken = "SCHEDULE_FOR_DELETION control missing"
1587                 else:
1588                     Logs.warn("ignoring missing SCHEDULE_FOR_DELETION control (--enable-old-ctdb)")
1589
1590         if have_cluster_support:
1591             conf.CHECK_CODE('''
1592                #define NO_CONFIG_H
1593                #include "replace.h"
1594                #include "system/wait.h"
1595                #include "system/network.h"
1596                #include <talloc.h>
1597                #include <tdb.h>
1598                #include <ctdb.h>
1599
1600                int main(void)
1601                {
1602                    int i = (int)CTDB_WANT_READONLY;
1603                    return 0;
1604                }
1605                ''',
1606                'HAVE_CTDB_WANT_READONLY_DECL',
1607                addmain=False,
1608                includes=includes,
1609                msg='Checking for CTDB readonly records support')
1610
1611             if not conf.CONFIG_SET('HAVE_CTDB_WANT_READONLY_DECL'):
1612                 if not Options.options.enable_old_ctdb:
1613                     have_cluster_support = False
1614                     ctdb_broken = "support for CTDB readonly records missing"
1615                 else:
1616                     Logs.warn("ignoring missing READONLY support (--enable-old-ctdb)")
1617
1618         if have_cluster_support:
1619             conf.CHECK_CODE('''
1620                 #define NO_CONFIG_H
1621                 #include "replace.h"
1622                 #include "system/wait.h"
1623                 #include "system/network.h"
1624                 #include <talloc.h>
1625                 #include <tdb.h>
1626                 #include <ctdb.h>
1627                 #include <ctdb_private.h>
1628
1629                 int main(void)
1630                 {
1631                     struct ctdb_control_tcp _x;
1632                     return 0;
1633                 }
1634                 ''',
1635                 'HAVE_STRUCT_CTDB_CONTROL_TCP',
1636                 addmain=False,
1637                 includes=includes,
1638                 msg='Checking for ctdb ipv4 support')
1639
1640             if not conf.CONFIG_SET('HAVE_STRUCT_CTDB_CONTROL_TCP'):
1641                 have_cluster_support = False
1642                 ctdb_broken = "missing struct ctdb_control_tcp"
1643
1644         if have_cluster_support:
1645             conf.CHECK_CODE('''
1646                 #define NO_CONFIG_H
1647                 #include "replace.h"
1648                 #include "system/wait.h"
1649                 #include "system/network.h"
1650                 #include <talloc.h>
1651                 #include <tdb.h>
1652                 #include <ctdb.h>
1653                 #include <ctdb_private.h>
1654
1655                 int main(void)
1656                 {
1657                     struct ctdb_control_tcp_addr _x;
1658                     return 0;
1659                 }
1660                 ''',
1661                 'HAVE_STRUCT_CTDB_CONTROL_TCP_ADDR',
1662                 addmain=False,
1663                 includes=includes,
1664                 msg='Checking for ctdb ipv6 support')
1665
1666         if have_cluster_support:
1667             conf.CHECK_CODE('''
1668                 #define NO_CONFIG_H
1669                 #include "replace.h"
1670                 #include "system/wait.h"
1671                 #include "system/network.h"
1672                 #include <talloc.h>
1673                 #include <tdb.h>
1674                 #include <ctdb.h>
1675                 #include <ctdb_private.h>
1676
1677                 int main(void)
1678                 {
1679                     int i = (int)CTDB_CONTROL_CHECK_SRVIDS;
1680                     return 0;
1681                 }
1682                 ''',
1683                 'HAVE_CTDB_CONTROL_CHECK_SRVIDS_DECL',
1684                 addmain=False,
1685                 includes=includes,
1686                 msg='Checking for CHECK_SRVIDS control')
1687
1688             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_CHECK_SRVIDS_DECL'):
1689                 if not Options.options.enable_old_ctdb:
1690                     have_cluster_support = False
1691                     ctdb_broken = "CHECK_SRVIDS control missing"
1692                 else:
1693                     Logs.warn("ignoring missing CHECK_SRVIDS control (--enable-old-ctdb)")
1694
1695     if have_cluster_support:
1696         Logs.info("building with cluster support")
1697         conf.DEFINE('CLUSTER_SUPPORT', 1);
1698     else:
1699         if Options.options.with_cluster_support == False:
1700             Logs.info("building without cluster support (--without-cluster-support)")
1701         elif Options.options.with_cluster_support == True:
1702             Logs.error("Cluster support not available: " + ctdb_broken)
1703             conf.fatal("Cluster support not found, but --with-cluster-support was specified")
1704         else:
1705             Logs.info("building without cluster support: " + ctdb_broken)
1706         conf.undefine('CLUSTER_SUPPORT')
1707
1708
1709     conf.CHECK_CODE('__attribute__((destructor)) static void cleanup(void) { }',
1710                     'HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR',
1711                     addmain=False,
1712                     link=False,
1713                     msg='Checking whether we can compile with __attribute__((destructor))')
1714
1715     conf.CHECK_CODE('void seekdir(DIR *d, long loc) { return; }',
1716                     'SEEKDIR_RETURNS_VOID',
1717                     headers='sys/types.h dirent.h',
1718                     msg='Checking whether seekdir returns void')
1719
1720     if Options.options.with_profiling_data:
1721         conf.DEFINE('WITH_PROFILE', 1);
1722
1723     PTHREAD_CFLAGS='error'
1724     PTHREAD_LDFLAGS='error'
1725
1726     if PTHREAD_LDFLAGS == 'error':
1727         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'pthread'):
1728             PTHREAD_CFLAGS='-D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS'
1729             PTHREAD_LDFLAGS='-lpthread'
1730     if PTHREAD_LDFLAGS == 'error':
1731         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'pthreads'):
1732             PTHREAD_CFLAGS='-D_THREAD_SAFE'
1733             PTHREAD_LDFLAGS='-lpthreads'
1734     if PTHREAD_LDFLAGS == 'error':
1735         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'c_r'):
1736             PTHREAD_CFLAGS='-D_THREAD_SAFE -pthread'
1737             PTHREAD_LDFLAGS='-pthread'
1738     if PTHREAD_LDFLAGS == 'error':
1739         if conf.CHECK_FUNCS('pthread_attr_init'):
1740             PTHREAD_CFLAGS='-D_REENTRANT'
1741             PTHREAD_LDFLAGS='-lpthread'
1742     # especially for HP-UX, where the CHECK_FUNC macro fails to test for
1743     # pthread_attr_init. On pthread_mutex_lock it works there...
1744     if PTHREAD_LDFLAGS == 'error':
1745         if conf.CHECK_FUNCS_IN('pthread_mutex_lock', 'pthread'):
1746             PTHREAD_CFLAGS='-D_REENTRANT'
1747             PTHREAD_LDFLAGS='-lpthread'
1748
1749     if PTHREAD_CFLAGS != 'error' and PTHREAD_LDFLAGS != 'error':
1750         conf.ADD_CFLAGS(PTHREAD_CFLAGS)
1751         conf.ADD_LDFLAGS(PTHREAD_LDFLAGS)
1752         conf.CHECK_HEADERS('pthread.h')
1753         conf.DEFINE('HAVE_PTHREAD', '1')
1754
1755     if Options.options.with_pthreadpool:
1756         if conf.CONFIG_SET('HAVE_PTHREAD'):
1757             conf.DEFINE('WITH_PTHREADPOOL', '1')
1758         else:
1759             Logs.warn("pthreadpool support cannot be enabled when pthread support was not found")
1760             conf.undefine('WITH_PTHREADPOOL')
1761
1762     if conf.CHECK_HEADERS('gpfs_gpl.h'):
1763         conf.DEFINE('HAVE_GPFS', '1')
1764
1765     if (conf.CHECK_HEADERS('linux/ioctl.h sys/ioctl.h linux/fs.h') and
1766         conf.CHECK_DECLS('FS_IOC_GETFLAGS FS_COMPR_FL', headers='linux/fs.h')):
1767             conf.DEFINE('HAVE_LINUX_IOCTL', '1')
1768
1769     conf.env['CCFLAGS_CEPHFS'] = "-D_FILE_OFFSET_BITS=64"
1770     if Options.options.libcephfs_dir:
1771         conf.env['CPPPATH_CEPHFS'] = Options.options.libcephfs_dir + '/include'
1772         conf.env['LIBPATH_CEPHFS'] = Options.options.libcephfs_dir + '/lib'
1773
1774     if conf.CHECK_HEADERS('cephfs/libcephfs.h', False, False, 'cephfs') and conf.CHECK_LIB('cephfs'):
1775         conf.DEFINE('HAVE_CEPH', '1')
1776
1777     if Options.options.with_glusterfs:
1778         conf.check_cfg(package='glusterfs-api', args='"glusterfs-api >= 4" --cflags --libs',
1779                        msg='Checking for glusterfs-api >= 4', uselib_store="GFAPI")
1780         conf.CHECK_HEADERS('api/glfs.h', lib='gfapi')
1781         conf.CHECK_LIB('gfapi', shlib=True)
1782
1783         if conf.CONFIG_SET('HAVE_API_GLFS_H'):
1784             conf.DEFINE('HAVE_GLUSTERFS', '1')
1785         else:
1786             conf.SET_TARGET_TYPE('gfapi', 'EMPTY')
1787             conf.undefine('HAVE_GLUSTERFS')
1788     else:
1789         conf.SET_TARGET_TYPE('gfapi', 'EMPTY')
1790         conf.undefine('HAVE_GLUSTERFS')
1791
1792     conf.env.build_regedit = False
1793     if not Options.options.with_regedit == False:
1794         conf.PROCESS_SEPARATE_RULE('system_ncurses')
1795         if conf.CONFIG_SET('HAVE_NCURSES'):
1796             conf.env.build_regedit = True
1797
1798     if conf.env.build_regedit:
1799         Logs.info("building regedit")
1800     else:
1801         if Options.options.with_regedit == False:
1802             Logs.info("not building regedit (--without-regedit)")
1803         elif Options.options.with_regedit == True:
1804             Logs.error("ncurses not available, cannot build regedit")
1805             conf.fatal("ncurses not available, but --with-regedit was specified")
1806         else:
1807             Logs.info("ncurses not available, not building regedit")
1808
1809
1810     default_static_modules.extend(TO_LIST('''pdb_smbpasswd pdb_tdbsam pdb_wbc_sam
1811                                       auth_sam auth_unix auth_winbind auth_wbc
1812                                       auth_domain auth_builtin vfs_default
1813                                       nss_info_template idmap_tdb idmap_passdb
1814                                       idmap_nss'''))
1815
1816     default_shared_modules.extend(TO_LIST('''vfs_recycle vfs_audit vfs_extd_audit vfs_full_audit vfs_netatalk
1817                                       vfs_fake_perms vfs_default_quota vfs_readonly vfs_cap
1818                                       vfs_expand_msdfs vfs_shadow_copy vfs_shadow_copy2
1819                                       auth_script vfs_readahead vfs_xattr_tdb vfs_posix_eadb
1820                                       vfs_streams_xattr vfs_streams_depot vfs_acl_xattr vfs_acl_tdb
1821                                       vfs_smb_traffic_analyzer vfs_preopen vfs_catia vfs_scannedonly
1822                                       vfs_media_harmony
1823                                       vfs_commit
1824                                       vfs_worm
1825                                       vfs_crossrename vfs_linux_xfs_sgid
1826                                       vfs_time_audit idmap_autorid idmap_tdb2
1827                                       idmap_ad
1828                                       idmap_rid idmap_hash idmap_rfc2307'''))
1829
1830     if Options.options.developer:
1831         default_static_modules.extend(TO_LIST('charset_weird'))
1832         default_shared_modules.extend(TO_LIST('perfcount_test'))
1833         default_shared_modules.extend(TO_LIST('vfs_skel_opaque vfs_skel_transparent vfs_shadow_copy_test'))
1834         default_shared_modules.extend(TO_LIST('auth_skel pdb_test'))
1835
1836     if Options.options.enable_selftest or Options.options.developer:
1837         default_shared_modules.extend(TO_LIST('vfs_fake_acls vfs_nfs4acl_xattr'))
1838
1839
1840     if conf.CONFIG_SET('AD_DC_BUILD_IS_ENABLED'):
1841         default_static_modules.extend(TO_LIST('pdb_samba_dsdb auth_samba4 vfs_dfs_samba4'))
1842
1843     if conf.CONFIG_SET('HAVE_FREEBSD_SUNACL_H'):
1844         default_shared_modules.extend(TO_LIST('vfs_zfsacl'))
1845
1846     if conf.CONFIG_SET('HAVE_DIRFD_DECL'):
1847         default_shared_modules.extend(TO_LIST('vfs_syncops vfs_dirsort'))
1848
1849     if conf.CONFIG_SET('HAVE_STATFS_F_FSID'):
1850         default_shared_modules.extend(TO_LIST('vfs_fileid'))
1851
1852     if (conf.CONFIG_SET('HAVE_MSGHDR_MSG_CONTROL') or conf.CONFIG_SET('HAVE_MSGHDR_MSG_ACCTRIGHTS')):
1853         default_shared_modules.extend(TO_LIST('vfs_aio_fork'))
1854
1855     if Options.options.with_pthreadpool:
1856         default_shared_modules.extend(TO_LIST('vfs_aio_pthread'))
1857
1858     if conf.CONFIG_SET('HAVE_AIO'):
1859         default_shared_modules.extend(TO_LIST('vfs_aio_posix'))
1860
1861     if conf.CONFIG_SET('HAVE_LINUX_KERNEL_AIO'):
1862         default_shared_modules.extend(TO_LIST('vfs_aio_linux'))
1863
1864     if conf.CONFIG_SET('HAVE_LDAP'):
1865         default_static_modules.extend(TO_LIST('pdb_ldapsam idmap_ldap'))
1866
1867     if conf.CONFIG_SET('DARWINOS'):
1868         default_static_modules.extend(TO_LIST('charset_macosxfs'))
1869
1870     if conf.CONFIG_SET('HAVE_GPFS'):
1871         default_shared_modules.extend(TO_LIST('vfs_gpfs'))
1872
1873     if conf.CONFIG_SET('HAVE_LINUX_IOCTL'):
1874         default_shared_modules.extend(TO_LIST('vfs_btrfs'))
1875
1876     if conf.CONFIG_SET('SAMBA_FAM_LIBS'):
1877         default_shared_modules.extend(TO_LIST('vfs_notify_fam'))
1878
1879     if conf.CONFIG_SET("HAVE_CEPH"):
1880         default_shared_modules.extend(TO_LIST('vfs_ceph'))
1881
1882     if conf.CONFIG_SET('HAVE_GLUSTERFS'):
1883         default_shared_modules.extend(TO_LIST('vfs_glusterfs'))
1884
1885     explicit_shared_modules = TO_LIST(Options.options.shared_modules, delimiter=',')
1886     explicit_static_modules = TO_LIST(Options.options.static_modules, delimiter=',')
1887
1888     def replace_list_item(lst, item, value):
1889         try:
1890             idx = lst.index(item)
1891             lst[idx] = value
1892         except:
1893             pass
1894     # PDB module file name should have the same name as module registers itself
1895     # In Autoconf build we export LDAP passdb module as ldapsam but WAF build
1896     # was always exporting pdb_ldap. In order to support existing packages
1897     # allow referring to pdb_ldapsam as pdb_ldap but use proper name internally.
1898     replace_list_item(explicit_shared_modules, 'pdb_ldap', 'pdb_ldapsam')
1899     replace_list_item(explicit_static_modules, 'pdb_ldap', 'pdb_ldapsam')
1900
1901     final_static_modules = default_static_modules
1902     final_shared_modules = default_shared_modules
1903
1904     for m in explicit_static_modules:
1905         if m in final_shared_modules:
1906             final_shared_modules.remove(m)
1907         final_static_modules.append(m)
1908     for m in explicit_shared_modules:
1909         if m in final_static_modules:
1910             final_static_modules.remove(m)
1911         final_shared_modules.append(m)
1912
1913     if ("auth_domain" not in final_static_modules) or \
1914             ("auth_builtin" not in final_static_modules) or \
1915             ("auth_sam" not in final_static_modules) or \
1916             ("auth_winbind" not in final_static_modules):
1917         raise Utils.WafError('These auth modules MUST be configured as static modules: auth_domain, auth_builtin, auth_sam, auth_winbind')
1918
1919     conf.env['static_modules'] = final_static_modules
1920     conf.env['shared_modules'] = final_shared_modules
1921
1922     conf.DEFINE('STRING_STATIC_MODULES', ' '.join(final_static_modules), quote=True)
1923
1924     static_list = {}
1925     shared_list = {}
1926
1927     prefixes = ['vfs', 'pdb', 'auth', 'nss_info', 'charset', 'idmap', 'gpext', 'perfcount']
1928     conf.env['MODULE_PREFIXES'] = prefixes
1929     for p in prefixes:
1930         for m in final_static_modules:
1931             if m.find(p) == 0:
1932                 if not p in static_list:
1933                     static_list[p] = []
1934                 static_list[p].append(m)
1935         for m in final_shared_modules:
1936             if m.find(p) == 0:
1937                 if not p in shared_list:
1938                     shared_list[p] = []
1939                 shared_list[p].append(m)
1940
1941     for p in prefixes:
1942         static_env = "%s_STATIC" % p.upper()
1943         shared_env = "%s_SHARED" % p.upper()
1944         conf.env[static_env] = []
1945         conf.env[shared_env] = []
1946         if p in static_list:
1947             decl_list=""
1948             for entry in static_list[p]:
1949                 decl_list += "extern NTSTATUS %s_init(void); " % entry
1950                 conf.env[static_env].append('%s' % entry)
1951             decl_list = decl_list.rstrip()
1952             conf.DEFINE('static_decl_%s' % p, decl_list)
1953             conf.DEFINE('static_init_%s' % p, '{ %s_init(); }' % '_init();  '.join(static_list[p]))
1954         else:
1955             conf.DEFINE('static_decl_%s' % p, '')
1956             conf.DEFINE('static_init_%s' % p, '{}')
1957         if p in shared_list:
1958             for entry in shared_list[p]:
1959                 conf.DEFINE('%s_init' % entry, 'samba_init_module')
1960                 conf.env[shared_env].append('%s' % entry)
1961
1962     conf.SAMBA_CONFIG_H('include/config.h')
1963
1964 def ctags(ctx):
1965     "build 'tags' file using ctags"
1966     import Utils
1967     source_root = os.path.dirname(Utils.g_module.root_path)
1968     cmd = 'ctags $(find %s/.. -name "*.[ch]" | grep -v "*_proto\.h")' % source_root
1969     print("Running: %s" % cmd)
1970     os.system(cmd)
1971