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                          "May include !module to disable 'module'. "+
  21                          "Can be '!FORCED' to disable all non-required static only modules. "+
  22                          "Can be '!DEFAULT' to disable all modules defaulting to a static build. "+
  23                          "Can be 'ALL' to build all default shared modules static. "+
  24                          "The most specific one wins, while the order is ignored "+
  25                          "and --with-static-modules is evaluated before "+
  26                          "--with-shared-modules"),
  27                    action="store", dest='static_modules', default=None)
  28     opt.add_option('--with-shared-modules',
  29                    help=("Comma-separated list of names of modules to build shared. "+
  30                          "May include !module to disable 'module'. "+
  31                          "Can be '!FORCED' to disable all non-required shared only modules. "+
  32                          "Can be '!DEFAULT' to disable all modules defaulting to a shared build. "+
  33                          "Can be 'ALL' to build all default static modules shared. "+
  34                          "The most specific one wins, while the order is ignored "+
  35                          "and --with-static-modules is evaluated before "+
  36                          "--with-shared-modules"),
  37                    action="store", dest='shared_modules', default=None)
  38
  39     opt.SAMBA3_ADD_OPTION('winbind')
  40     opt.SAMBA3_ADD_OPTION('ads')
  41     opt.SAMBA3_ADD_OPTION('ldap')
  42     opt.SAMBA3_ADD_OPTION('cups', with_name="enable", without_name="disable")
  43     opt.SAMBA3_ADD_OPTION('iprint', with_name="enable", without_name="disable")
  44     opt.SAMBA3_ADD_OPTION('pam')
  45     opt.SAMBA3_ADD_OPTION('pam_smbpass')
  46     opt.SAMBA3_ADD_OPTION('quotas')
  47     opt.SAMBA3_ADD_OPTION('sendfile-support')
  48     opt.SAMBA3_ADD_OPTION('utmp')
  49     opt.SAMBA3_ADD_OPTION('pthreadpool', with_name="enable", without_name="disable", default=True)
  50     opt.SAMBA3_ADD_OPTION('avahi', with_name="enable", without_name="disable")
  51     opt.SAMBA3_ADD_OPTION('iconv')
  52     opt.SAMBA3_ADD_OPTION('acl-support')
  53     opt.SAMBA3_ADD_OPTION('dnsupdate')
  54     opt.SAMBA3_ADD_OPTION('syslog')
  55     opt.SAMBA3_ADD_OPTION('automount')
  56     opt.SAMBA3_ADD_OPTION('aio-support')
  57     opt.SAMBA3_ADD_OPTION('dmapi', default=None) # None means autodetection
  58     opt.SAMBA3_ADD_OPTION('fam', default=None) # None means autodetection
  59     opt.SAMBA3_ADD_OPTION('profiling-data', default=False)
  60     opt.SAMBA3_ADD_OPTION('libarchive', default=None)
  61
  62     opt.SAMBA3_ADD_OPTION('cluster-support', default=None)
  63
  64     opt.SAMBA3_ADD_OPTION('regedit', default=None)
  65
  66     opt.SAMBA3_ADD_OPTION('fake-kaserver',
  67                           help=("Include AFS fake-kaserver support"), default=False)
  68
  69     opt.add_option('--with-libcephfs',
  70                    help=("Directory under which libcephfs is installed"),
  71                    action="store", dest='libcephfs_dir', default=None)
  72
  73     opt.SAMBA3_ADD_OPTION('glusterfs', with_name="enable", without_name="disable", default=True)
  74
  75     opt.add_option('--enable-vxfs',
  76                   help=("enable support for VxFS (default=no)"),
  77                   action="store_true", dest='enable_vxfs', default=False)
  78
  79     opt.SAMBA3_ADD_OPTION('spotlight', with_name="enable", without_name="disable", default=False)
  80
  81 def configure(conf):
  82     from samba_utils import TO_LIST
  83
  84     default_static_modules = []
  85     default_shared_modules = []
  86     required_static_modules = []
  87     forced_static_modules = []
  88     forced_shared_modules = []
  89
  90     if Options.options.developer:
  91         conf.ADD_CFLAGS('-DDEVELOPER -DDEBUG_PASSWORD')
  92         conf.env.developer = True
  93
  94     if sys.platform != 'openbsd5':
  95         conf.ADD_LDFLAGS("-Wl,--export-dynamic", testflags=True)
  96
  97     # We crash without vfs_default
  98     required_static_modules.extend(TO_LIST('vfs_default'))
  99
 100     conf.CHECK_HEADERS('execinfo.h libexc.h libunwind.h netdb.h')
 101     conf.CHECK_HEADERS('linux/falloc.h linux/ioctl.h')
 102
 103     conf.CHECK_FUNCS('getcwd fchown chmod fchmod mknod')
 104     conf.CHECK_FUNCS('strtol strchr strupr chflags')
 105     conf.CHECK_FUNCS('getrlimit fsync fdatasync setpgid')
 106     conf.CHECK_FUNCS('setsid glob strpbrk crypt16 getauthuid')
 107     conf.CHECK_FUNCS('innetgr')
 108     conf.CHECK_FUNCS('initgroups select poll rdchk getgrnam getgrent pathconf')
 109     conf.CHECK_FUNCS('setpriv setgidx setuidx setgroups syscall sysconf')
 110     conf.CHECK_FUNCS('atexit grantpt posix_openpt fallocate posix_fallocate')
 111     conf.CHECK_FUNCS('fseeko setluid')
 112     conf.CHECK_FUNCS('getpwnam', headers='sys/types.h pwd.h')
 113     conf.CHECK_FUNCS('fdopendir')
 114     conf.CHECK_FUNCS('fstatat')
 115     conf.CHECK_FUNCS('getpwent_r setenv strcasecmp fcvt fcvtl')
 116     conf.CHECK_FUNCS('syslog vsyslog timegm setlocale')
 117     conf.CHECK_FUNCS_IN('nanosleep', 'rt')
 118     conf.CHECK_FUNCS('lutimes futimes utimensat futimens')
 119     conf.CHECK_FUNCS('mlock munlock mlockall munlockall')
 120     conf.CHECK_FUNCS('memalign posix_memalign hstrerror')
 121     conf.CHECK_FUNCS('shmget')
 122     conf.CHECK_FUNCS_IN('shm_open', 'rt', checklibc=True)
 123     #FIXME: for some reason this one still fails
 124     conf.CHECK_FUNCS_IN('yp_get_default_domain', 'nsl')
 125     conf.CHECK_FUNCS_IN('dn_expand _dn_expand __dn_expand', 'resolv')
 126     conf.CHECK_FUNCS_IN('dn_expand', 'inet')
 127     conf.CHECK_DECLS('fdatasync', reverse=True)
 128     conf.CHECK_DECLS('readahead', reverse=True, headers='fcntl.h')
 129
 130     if conf.CHECK_CODE('''
 131 #if defined(HAVE_UNISTD_H)
 132 #include <unistd.h>
 133 #endif
 134 long ret = splice(0,0,1,0,400,SPLICE_F_MOVE);
 135 ''',
 136         'HAVE_LINUX_SPLICE',
 137         headers='fcntl.h'):
 138         conf.CHECK_DECLS('splice', reverse=True, headers='fcntl.h')
 139
 140     # Check for inotify support
 141     conf.CHECK_HEADERS('sys/inotify.h')
 142     if "HAVE_SYS_INOTIFY_H" in conf.env:
 143         conf.DEFINE('HAVE_INOTIFY', 1)
 144
 145     # Check for kernel change notify support
 146     conf.CHECK_CODE('''
 147 #ifndef F_NOTIFY
 148 #define F_NOTIFY 1026
 149 #endif
 150 main() {
 151         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
 152 }''', 'HAVE_KERNEL_CHANGE_NOTIFY', addmain=False, execute=True,
 153         headers='fcntl.h signal.h',
 154         msg="Checking for kernel change notify support")
 155
 156     # Check for Linux kernel oplocks
 157     conf.CHECK_CODE('''
 158 #include <sys/types.h>
 159 #include <fcntl.h>
 160 #include <signal.h>
 161 #ifndef F_NOTIFY
 162 #define F_NOTIFY 1026
 163 #endif
 164 main() {
 165         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
 166 }''', 'HAVE_KERNEL_OPLOCKS_LINUX', addmain=False, execute=True,
 167         msg="Checking for Linux kernel oplocks")
 168
 169     # Check for IRIX kernel oplock types
 170     conf.CHECK_CODE('oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;',
 171                     'HAVE_KERNEL_OPLOCKS_IRIX', headers='fcntl.h',
 172                     msg="Checking for IRIX kernel oplock types")
 173
 174     # Check for kernel share modes
 175     conf.CHECK_CODE('''
 176 #include <sys/types.h>
 177 #include <fcntl.h>
 178 #include <signal.h>
 179 #include <sys/file.h>
 180 #ifndef LOCK_MAND
 181 #define LOCK_MAND        32
 182 #define LOCK_READ        64
 183 #endif
 184 main() {
 185         exit(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
 186 }''', 'HAVE_KERNEL_SHARE_MODES', addmain=False, execute=True,
 187         msg="Checking for kernel share modes")
 188
 189     # check for fam libs
 190     samba_fam_libs=None
 191     check_for_fam=False
 192     if Options.options.with_fam is None:
 193         check_for_fam=True
 194     elif Options.options.with_fam == True:
 195         check_for_fam=True
 196
 197     if check_for_fam and conf.CHECK_HEADERS('fam.h'):
 198         if conf.CHECK_FUNCS_IN('FAMOpen2', 'fam'):
 199             samba_fam_libs='fam'
 200         elif conf.CHECK_FUNCS_IN('FAMOpen2', 'fam C'):
 201             samba_fam_libs='fam C'
 202         conf.CHECK_TYPE('enum FAMCodes', headers='fam.h',
 203             define='HAVE_FAM_H_FAMCODES_TYPEDEF',
 204             msg='Checking whether enum FAMCodes is available')
 205         conf.CHECK_FUNCS_IN('FAMNoExists', 'fam')
 206
 207     if samba_fam_libs is not None:
 208         conf.DEFINE('SAMBA_FAM_LIBS', samba_fam_libs)
 209     else:
 210         if Options.options.with_fam == True:
 211             conf.fatal('FAM support requested, but no suitable FAM library found')
 212         elif check_for_fam:
 213             Logs.warn('no suitable FAM library found')
 214
 215     # check for libarchive (tar command in smbclient)
 216     # None means autodetect, True/False means enable/disable
 217     conf.env['archive_lib'] = ''
 218     if Options.options.with_libarchive is not False:
 219         libarchive_mandatory = Options.options.with_libarchive == True
 220         Logs.info("Checking for libarchive existence")
 221         if conf.CHECK_BUNDLED_SYSTEM('libarchive', minversion='3.1.2'):
 222             conf.env['archive_lib'] = 'libarchive'
 223         elif libarchive_mandatory:
 224             conf.fatal('libarchive support requested, but no suitable pkgconfig found')
 225
 226     # check for DMAPI libs
 227     if Options.options.with_dmapi == False:
 228         have_dmapi = False
 229     else:
 230         have_dmapi = True
 231         Logs.info("Checking for DMAPI library existence")
 232         samba_dmapi_lib = ''
 233         if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'dm'):
 234             samba_dmapi_lib = 'dm'
 235         else:
 236             if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'jfsdm'):
 237                 samba_dmapi_lib = 'jfsdm'
 238             else:
 239                 if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'dmapi'):
 240                     samba_dmapi_lib = 'dmapi'
 241                 else:
 242                     if conf.CHECK_FUNCS_IN('dm_get_eventlist', 'xdsm'):
 243                         samba_dmapi_lib = 'xdsm'
 244         # only bother to test headers and compilation when a candidate
 245         # library has been found
 246         if samba_dmapi_lib == '':
 247             have_dmapi = False
 248             broken_dmapi = "no suitable DMAPI library found"
 249
 250         if have_dmapi:
 251             conf.CHECK_HEADERS('sys/dmi.h xfs/dmapi.h sys/jfsdmapi.h sys/dmapi.h dmapi.h')
 252             conf.CHECK_CODE('''
 253 #include <time.h>      /* needed by Tru64 */
 254 #include <sys/types.h> /* needed by AIX */
 255 #ifdef HAVE_XFS_DMAPI_H
 256 #include <xfs/dmapi.h>
 257 #elif defined(HAVE_SYS_DMI_H)
 258 #include <sys/dmi.h>
 259 #elif defined(HAVE_SYS_JFSDMAPI_H)
 260 #include <sys/jfsdmapi.h>
 261 #elif defined(HAVE_SYS_DMAPI_H)
 262 #include <sys/dmapi.h>
 263 #elif defined(HAVE_DMAPI_H)
 264 #include <dmapi.h>
 265 #endif
 266
 267 /* This link test is designed to fail on IRI 6.4, but should
 268  * succeed on Linux, IRIX 6.5 and AIX.
 269  */
 270 int main(int argc, char **argv)
 271 {
 272         char * version;
 273         dm_eventset_t events;
 274         /* This doesn't take an argument on IRIX 6.4. */
 275         dm_init_service(&version);
 276         /* IRIX 6.4 expects events to be a pointer. */
 277         DMEV_ISSET(DM_EVENT_READ, events);
 278
 279         return 0;
 280 }
 281 ''',
 282             'USEABLE_DMAPI_LIBRARY',
 283             addmain=False,
 284             execute=False,
 285             lib=samba_dmapi_lib,
 286             msg='Checking whether DMAPI lib '+samba_dmapi_lib+' can be used')
 287             if not conf.CONFIG_SET('USEABLE_DMAPI_LIBRARY'):
 288                 have_dmapi = False
 289                 broken_dmapi = "no usable DMAPI library found"
 290
 291     if have_dmapi:
 292         Logs.info("Building with DMAPI support.")
 293         conf.env['dmapi_lib'] = samba_dmapi_lib
 294         conf.DEFINE('USE_DMAPI', 1)
 295     else:
 296         if Options.options.with_dmapi == False:
 297             Logs.info("Building without DMAPI support (--without-dmapi).")
 298         elif Options.options.with_dmapi == True:
 299             Logs.error("DMAPI support not available: " + broken_dmapi)
 300             conf.fatal('DMAPI support requested but not found.');
 301         else:
 302             Logs.warn("Building without DMAPI support: " + broken_dmapi)
 303         conf.env['dmapi_lib'] = ''
 304
 305     # Check for various members of the stat structure
 306     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blocks', define='HAVE_STAT_ST_BLOCKS',
 307                                 headers='sys/stat.h')
 308     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blksize', define='HAVE_STAT_ST_BLKSIZE',
 309                                 headers='sys/stat.h')
 310     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_flags', define='HAVE_STAT_ST_FLAGS',
 311                                 headers='sys/types.h sys/stat.h unistd.h')
 312
 313     if "HAVE_BLKCNT_T" in conf.env:
 314         conf.CHECK_CODE('''
 315         static int test_array[1 - 2 * !(((long int)(sizeof(blkcnt_t))) <= 4)];''',
 316                 'SIZEOF_BLKCNT_T_4',
 317                 headers='replace.h sys/types.h sys/stat.h unistd.h',
 318                 msg="Checking whether blkcnt_t is 32 bit")
 319
 320     # If sizeof is 4 it can't be 8
 321     if "HAVE_BLKCNT_T" in conf.env:
 322         if not conf.CONFIG_SET('SIZEOF_BLKCNT_T_4'):
 323             conf.CHECK_CODE('''
 324             static int test_array[1 - 2 * !(((long int)(sizeof(blkcnt_t))) <= 8)];''',
 325                     'SIZEOF_BLKCNT_T_8',
 326                     headers='replace.h sys/types.h sys/stat.h unistd.h',
 327                     msg="Checking whether blkcnt_t is 64 bit")
 328
 329     # Check for POSIX capability support
 330     conf.CHECK_FUNCS_IN('cap_get_proc', 'cap', headers='sys/capability.h')
 331
 332     if "HAVE_SYS_CAPABILITY_H" in conf.env:
 333         conf.CHECK_CODE('''
 334         cap_t cap;
 335         cap_value_t vals[1];
 336         if (!(cap = cap_get_proc())) exit(1);
 337         vals[0] = CAP_CHOWN;
 338         cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
 339         cap_set_proc(cap);''',
 340                         'HAVE_POSIX_CAPABILITIES', execute=True, lib="cap",
 341                         headers='sys/capability.h',
 342                         msg="Checking whether POSIX capabilities are available")
 343
 344     conf.CHECK_CODE('int i;', 'BROKEN_NISPLUS_INCLUDE_FILES',
 345                     headers='sys/types.h sys/acl.h rpcsvc/nis.h',
 346                     msg="Checking for broken nisplus include files")
 347
 348     # Check if the compiler will optimize out functions
 349     conf.CHECK_CODE('''
 350 #include <sys/types.h>
 351 size_t __unsafe_string_function_usage_here_size_t__(void);
 352 #define CHECK_STRING_SIZE(d, len) (sizeof(d) != (len) && sizeof(d) != sizeof(char *))
 353 static size_t push_string_check_fn(void *dest, const char *src, size_t dest_len) {
 354         return 0;
 355 }
 356
 357 #define push_string_check(dest, src, dest_len) \
 358     (CHECK_STRING_SIZE(dest, dest_len) \
 359     ? __unsafe_string_function_usage_here_size_t__()    \
 360     : push_string_check_fn(dest, src, dest_len))
 361
 362 int main(int argc, char **argv) {
 363     char outbuf[1024];
 364     char *p = outbuf;
 365     const char *foo = "bar";
 366     p += 31 + push_string_check(p + 31, foo, sizeof(outbuf) - (p + 31 - outbuf));
 367     return 0;
 368 }''', 'HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS',
 369             addmain=False,
 370             add_headers=False,
 371             msg="Checking if the compiler will optimize out functions")
 372
 373     # Check if the compiler supports the LL suffix on long long integers
 374     # AIX needs this
 375     conf.CHECK_CODE('long long i = 0x8000000000LL', 'COMPILER_SUPPORTS_LL',
 376                     headers='stdio.h',
 377                     msg="Checking for LL suffix on long long integers")
 378
 379     conf.CHECK_FUNCS('''
 380 _acl __acl atexit
 381  _chdir __chdir chflags chmod _close __close _closedir
 382 __closedir crypt16 devnm dirfd
 383 DNSServiceRegister _dup __dup _dup2 __dup2 endmntent execl
 384 _facl __facl _fchdir
 385 __fchdir fchmod fchown _fcntl __fcntl fcvt fcvtl fdatasync
 386 _fork __fork fseeko
 387 fsetxattr _fstat __fstat fsync
 388 futimens futimes __fxstat getauthuid
 389 getcwd _getcwd __getcwd getdents __getdents getdirentries
 390 getgrent getgrnam getgrouplist getgrset getmntent getpagesize
 391 getpwanam getpwent_r getrlimit
 392 glob grantpt hstrerror initgroups innetgr
 393 llseek _llseek __llseek _lseek __lseek
 394 _lstat __lstat lutimes
 395 __lxstat memalign mknod mlock mlockall munlock munlockall
 396 _open __open _opendir __opendir
 397 pathconf poll posix_fallocate
 398 posix_memalign pread _pread __pread
 399 pwrite _pwrite __pwrite
 400 rdchk _read __read _readdir __readdir
 401 _seekdir __seekdir
 402 select setenv setgidx setgroups setlocale setluid
 403 setmntent setpgid setpriv setsid setuidx
 404 shmget shm_open
 405 _stat __stat statvfs
 406 strcasecmp strchr strpbrk strsignal strtol strupr sysconf sysctl sysctlbyname
 407 __sys_llseek syslog _telldir __telldir timegm
 408 utimensat vsyslog _write __write __xstat
 409 ''')
 410
 411     conf.CHECK_SAMBA3_CHARSET() # see build/charset.py
 412
 413     # FIXME: these should be tests for features, but the old build system just
 414     # checks for OSes.
 415     host_os = sys.platform
 416     Logs.info("building on %s" % host_os)
 417
 418     # Python doesn't have case switches... :/
 419     # FIXME: original was *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu | *qnx*)
 420     # the search for .rfind('gnu') covers gnu* and *-gnu is that too broad?
 421
 422     conf.SET_TARGET_TYPE('sunacl', 'EMPTY')
 423     if (host_os.rfind('linux') > -1) or (host_os.rfind('gnu') > -1) or (host_os.rfind('qnx') > -1):
 424         if host_os.rfind('linux') > -1:
 425             conf.DEFINE('LINUX', '1')
 426         elif host_os.rfind('qnx') > -1:
 427             conf.DEFINE('QNX', '1')
 428         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 429     elif (host_os.rfind('darwin') > -1):
 430         conf.DEFINE('DARWINOS', 1)
 431         conf.ADD_CFLAGS('-fno-common')
 432         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 433     elif (host_os.rfind('freebsd') > -1):
 434         conf.DEFINE('FREEBSD', 1)
 435         if conf.CHECK_HEADERS('sunacl.h'):
 436             conf.DEFINE('HAVE_FREEBSD_SUNACL_H', '1')
 437             conf.CHECK_FUNCS_IN(['acl'], 'sunacl')
 438         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 439     elif (host_os.rfind('irix') > -1):
 440         conf.DEFINE('IRIX', 1)
 441         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 442     elif (host_os.rfind('aix') > -1):
 443         conf.DEFINE('AIX', 1)
 444         conf.DEFINE('STAT_ST_BLOCKSIZE', 'DEV_BSIZE')
 445     elif (host_os.rfind('hpux') > -1):
 446         conf.DEFINE('HPUX', 1)
 447         conf.DEFINE('STAT_ST_BLOCKSIZE', '8192')
 448     elif (host_os.rfind('osf') > -1):
 449         conf.DEFINE('OSF1', 1)
 450         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 451
 452     # FIXME: Add more checks here.
 453     else:
 454         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 455
 456     if Options.options.with_acl_support:
 457         if (host_os.rfind('hpux') > -1):
 458                 Logs.info('Using HPUX ACLs')
 459                 conf.DEFINE('HAVE_HPUX_ACLS',1)
 460                 conf.DEFINE('POSIX_ACL_NEEDS_MASK',1)
 461                 default_static_modules.extend(TO_LIST('vfs_hpuxacl'))
 462         elif (host_os.rfind('aix') > -1):
 463                 Logs.info('Using AIX ACLs')
 464                 conf.DEFINE('HAVE_AIX_ACLS',1)
 465                 default_static_modules.extend(TO_LIST('vfs_aixacl vfs_aixacl2'))
 466         elif (host_os.rfind('darwin') > -1):
 467             Logs.warn('ACLs on Darwin currently not supported')
 468             conf.fatal("ACL support not available on Darwin/MacOS. "
 469                        "Use --without-acl-support for building without "
 470                        "ACL support. "
 471                        "ACL support is required to change permissions "
 472                        "from Windows clients.")
 473         else:
 474             conf.CHECK_FUNCS_IN(['acl_get_file'], 'acl')
 475             if conf.CHECK_CODE('''
 476 acl_t acl;
 477 int entry_id;
 478 acl_entry_t *entry_p;
 479 return acl_get_entry(acl, entry_id, entry_p);
 480 ''',
 481                         'HAVE_POSIX_ACLS',
 482                         headers='sys/types.h sys/acl.h', link=False,
 483                         msg="Checking for POSIX ACL support") :
 484                 conf.CHECK_CODE('''
 485 acl_permset_t permset_d;
 486 acl_perm_t perm;
 487 return acl_get_perm_np(permset_d, perm);
 488 ''',
 489                         'HAVE_ACL_GET_PERM_NP',
 490                         headers='sys/types.h sys/acl.h', link=True,
 491                         msg="Checking whether acl_get_perm_np() is available")
 492                 # source3/lib/sysacls.c calls posixacl_sys_acl_get_file()
 493                 required_static_modules.extend(TO_LIST('vfs_posixacl'))
 494                 conf.CHECK_VARIABLE('ACL_EVERYONE', headers='sys/acl.h')
 495             elif conf.CHECK_FUNCS_IN(['facl'], 'sec'):
 496                 Logs.info('Using solaris or UnixWare ACLs')
 497                 conf.DEFINE('HAVE_SOLARIS_UNIXWARE_ACLS',1)
 498                 default_static_modules.extend(TO_LIST('vfs_solarisacl'))
 499             elif conf.CHECK_FUNCS_IN(['acl_get_fd'], 'pacl'):
 500                 Logs.info('Using Tru64 ACLs')
 501                 conf.DEFINE('HAVE_TRU64_ACLS',1)
 502                 default_static_modules.extend(TO_LIST('vfs_tru64acl'))
 503             else:
 504                 conf.fatal("ACL support not found. Try installing libacl1-dev "
 505                            "or libacl-devel.  "
 506                            "Otherwise, use --without-acl-support to build "
 507                            "without ACL support. "
 508                            "ACL support is required to change permissions from "
 509                            "Windows clients.")
 510
 511     if conf.CHECK_FUNCS('dirfd'):
 512         conf.DEFINE('HAVE_DIRFD_DECL', 1)
 513
 514     conf.CHECK_CODE('struct statfs fsd; fsid_t fsid = fsd.f_fsid; return statfs(".", &fsd);',
 515                     'HAVE_STATFS_F_FSID',
 516                     msg="vfs_fileid checking for statfs() and struct statfs.f_fsid",
 517                     headers='sys/types.h sys/statfs.h',
 518                     execute=True)
 519
 520     if conf.CONFIG_SET('HAVE_FALLOCATE'):
 521         conf.CHECK_CODE('''
 522                 int ret = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 10);''',
 523                 'HAVE_LINUX_FALLOCATE',
 524                 msg="Checking whether the Linux 'fallocate' function is available",
 525                 headers='unistd.h sys/types.h fcntl.h linux/falloc.h')
 526         conf.CHECK_CODE('''
 527                 int ret = fallocate(0, FALLOC_FL_PUNCH_HOLE, 0, 10);''',
 528                 'HAVE_FALLOC_FL_PUNCH_HOLE',
 529                 msg="Checking whether Linux 'fallocate' supports hole-punching",
 530                 headers='unistd.h sys/types.h fcntl.h linux/falloc.h')
 531
 532     conf.CHECK_CODE('''
 533             int ret = lseek(0, 0, SEEK_HOLE);
 534             ret = lseek(0, 0, SEEK_DATA);''',
 535             'HAVE_LSEEK_HOLE_DATA',
 536             msg="Checking whether lseek supports hole/data seeking",
 537             headers='unistd.h sys/types.h')
 538
 539     conf.CHECK_CODE('''
 540                 ssize_t err = readahead(0,0,0x80000);''',
 541                 'HAVE_LINUX_READAHEAD',
 542                 msg="Checking whether Linux readahead is available",
 543                 headers='unistd.h fcntl.h')
 544     conf.CHECK_DECLS('readahead', headers='fcntl.h', always=True)
 545
 546     conf.CHECK_CODE('int fd = openat(AT_FDCWD, ".", O_RDONLY);',
 547                 'HAVE_OPENAT',
 548                 msg='Checking for openat',
 549                 headers='fcntl.h')
 550
 551     if Options.options.with_aio_support:
 552         conf.CHECK_FUNCS_IN('aio_read', 'aio')
 553         conf.CHECK_FUNCS_IN('aio_read', 'rt')
 554         conf.CHECK_CODE('struct aiocb a; return aio_read(&a);',
 555                         'HAVE_AIO',
 556                         msg='Checking for asynchronous io support',
 557                         headers='sys/types.h aio.h',
 558                         lib='aio rt')
 559         if conf.CONFIG_SET('HAVE_AIO'):
 560             conf.CHECK_CODE('struct aiocb a; return aio_read(&a);', 'HAVE_AIO_READ', msg='Checking for aio_read', headers='aio.h', lib='aio rt')
 561             conf.CHECK_CODE('struct aiocb a; return aio_write(&a);', 'HAVE_AIO_WRITE', msg='Checking for aio_write', headers='aio.h', lib='aio rt')
 562             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')
 563             conf.CHECK_CODE('struct aiocb a; return aio_return(&a);', 'HAVE_AIO_RETURN', msg='Checking for aio_return', headers='aio.h', lib='aio rt')
 564             conf.CHECK_CODE('struct aiocb a; return aio_error(&a);', 'HAVE_AIO_ERROR', msg='Checking for aio_error', headers='aio.h', lib='aio rt')
 565             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')
 566             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')
 567         if not conf.CONFIG_SET('HAVE_AIO'):
 568             conf.DEFINE('HAVE_NO_AIO', '1')
 569     else:
 570         conf.DEFINE('HAVE_NO_AIO', '1')
 571
 572     if host_os.rfind('linux') > -1:
 573         conf.CHECK_FUNCS_IN('io_submit', 'aio')
 574         conf.CHECK_CODE('''
 575 struct io_event ioev;
 576 struct iocb *ioc;
 577 io_context_t ctx;
 578 struct timespec ts;
 579 int fd;
 580 char *buf;
 581 fd = eventfd(0, EFD_NONBLOCK | EFD_CLOEXEC);
 582 io_queue_init(128,&ctx);
 583 io_prep_pwrite(ioc, 1, buf, 1, 0);
 584 io_prep_pread(ioc, 1, buf, 1, 0);
 585 io_set_eventfd(ioc, fd);
 586 io_set_callback(ioc, (io_callback_t)(0));
 587 io_submit(ctx, 1, &ioc);
 588 io_getevents(ctx, 1, 1, &ioev, &ts);
 589 ''',
 590                         'HAVE_LINUX_KERNEL_AIO',
 591                         msg='Checking for linux kernel asynchronous io support',
 592                         headers='unistd.h stdlib.h sys/types.h fcntl.h sys/eventfd.h libaio.h',
 593                         lib='aio')
 594
 595     conf.CHECK_CODE('''
 596 struct msghdr msg;
 597 union {
 598         struct cmsghdr cm;
 599         char control[CMSG_SPACE(sizeof(int))];
 600 } control_un;
 601 msg.msg_control = control_un.control;
 602 msg.msg_controllen = sizeof(control_un.control);
 603 ''',
 604         'HAVE_STRUCT_MSGHDR_MSG_CONTROL',
 605         msg='Checking if we can use msg_control for passing file descriptors',
 606         headers='sys/types.h stdlib.h stddef.h sys/socket.h sys/un.h')
 607     conf.CHECK_CODE('''
 608 struct msghdr msg;
 609 int fd;
 610 msg.msg_accrights = (caddr_t) &fd;
 611 msg.msg_accrightslen = sizeof(fd);
 612 ''',
 613         'HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS',
 614         msg='Checking if we can use msg_accrights for passing file descriptors',
 615         headers='sys/types.h stdlib.h stddef.h sys/socket.h sys/un.h')
 616
 617     if Options.options.with_winbind:
 618         conf.env.build_winbind = True
 619         conf.DEFINE('WITH_WINBIND', '1')
 620
 621     conf.find_program('awk', var='AWK')
 622
 623     conf.CHECK_HEADERS('asm/types.h')
 624
 625     conf.CHECK_CODE('dev_t dev; int i = major(dev); return 0', "HAVE_DEVICE_MAJOR_FN",
 626                     headers='unistd.h sys/types.h',
 627                     msg="Checking for major macro")
 628
 629     conf.CHECK_CODE('dev_t dev; int i = minor(dev); return 0', "HAVE_DEVICE_MINOR_FN",
 630                     headers='unistd.h sys/types.h',
 631                     msg="Checking for minor macro")
 632
 633     conf.CHECK_STRUCTURE_MEMBER('struct dirent', 'd_off',
 634                                 headers='unistd.h sys/types.h dirent.h',
 635                                 define='HAVE_DIRENT_D_OFF')
 636
 637     conf.CHECK_FUNCS('setnetgrent getnetgrent endnetgrent')
 638     if conf.CHECK_CFLAGS('-Werror-implicit-function-declaration'):
 639         netgrent_cflags = '-Werror-implicit-function-declaration'
 640     else:
 641         netgrent_cflags = ''
 642     conf.CHECK_CODE('setnetgrent("foo")', 'HAVE_SETNETGRENT_PROTOTYPE',
 643                     msg="Checking for setnetgrent prototype",
 644                     headers='netdb.h netgroup.h',
 645                     cflags=netgrent_cflags)
 646     conf.CHECK_CODE('getnetgrent', 'HAVE_GETNETGRENT_PROTOTYPE',
 647                     msg="Checking for getnetgrent prototype",
 648                     headers='netdb.h netgroup.h',
 649                     cflags=netgrent_cflags)
 650     conf.CHECK_CODE('endnetgrent', 'HAVE_ENDNETGRENT_PROTOTYPE',
 651                     msg="Checking for endnetgrent prototype",
 652                     headers='netdb.h netgroup.h',
 653                     cflags=netgrent_cflags)
 654
 655
 656     # Look for CUPS
 657     if Options.options.with_cups:
 658         conf.find_program('cups-config', var='CUPS_CONFIG')
 659         if conf.env.CUPS_CONFIG:
 660             # we would normally use --libs here, but cups-config incorrectly adds
 661             # gssapi_krb5 and other libraries to its --libs output. That breaks the use
 662             # of an in-tree heimdal kerberos
 663             conf.CHECK_CFG(path=conf.env.CUPS_CONFIG, args="--cflags --ldflags",
 664                            package="", uselib_store="CUPS")
 665         conf.CHECK_HEADERS('cups/cups.h cups/language.h', lib='cups')
 666         conf.CHECK_FUNCS_IN('httpConnect httpConnectEncrypt', 'cups')
 667         if conf.CONFIG_SET('HAVE_CUPS_CUPS_H') and conf.CONFIG_SET('HAVE_CUPS_LANGUAGE_H'):
 668             conf.DEFINE('HAVE_CUPS', '1')
 669         else:
 670             conf.undefine('HAVE_CUPS')
 671             conf.SET_TARGET_TYPE('cups', 'EMPTY')
 672     else:
 673         # define an empty subsystem for cups, to allow it to be used as an empty dependency
 674         conf.SET_TARGET_TYPE('cups', 'EMPTY')
 675
 676     if Options.options.with_iprint:
 677         if conf.CONFIG_SET('HAVE_CUPS'):
 678             conf.DEFINE('HAVE_IPRINT', '1')
 679         else:
 680             Logs.warn("--enable-iprint=yes but cups support not sufficient")
 681     if Options.options.with_syslog:
 682         conf.DEFINE('WITH_SYSLOG', '1')
 683     if Options.options.with_automount:
 684         conf.DEFINE('WITH_AUTOMOUNT', '1')
 685
 686     # Check for LDAP
 687     if Options.options.with_ldap:
 688         conf.CHECK_HEADERS('ldap.h lber.h ldap_pvt.h')
 689         conf.CHECK_TYPE('ber_tag_t', 'unsigned int', headers='ldap.h lber.h')
 690         conf.CHECK_FUNCS_IN('ber_scanf ber_sockbuf_add_io', 'lber')
 691         conf.CHECK_VARIABLE('LDAP_OPT_SOCKBUF', headers='ldap.h')
 692
 693         # if we LBER_OPT_LOG_PRINT_FN we can intercept ldap logging and print it out
 694         # for the samba logs
 695         conf.CHECK_VARIABLE('LBER_OPT_LOG_PRINT_FN',
 696                             define='HAVE_LBER_LOG_PRINT_FN', headers='lber.h')
 697
 698         conf.CHECK_FUNCS_IN('ldap_init ldap_init_fd ldap_initialize ldap_set_rebind_proc', 'ldap')
 699         conf.CHECK_FUNCS_IN('ldap_add_result_entry', 'ldap')
 700
 701         # Check if ldap_set_rebind_proc() takes three arguments
 702         if conf.CHECK_CODE('ldap_set_rebind_proc(0, 0, 0)',
 703                            'LDAP_SET_REBIND_PROC_ARGS',
 704                            msg="Checking whether ldap_set_rebind_proc takes 3 arguments",
 705                            headers='ldap.h lber.h', link=False):
 706             conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '3')
 707         else:
 708             conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '2')
 709
 710         # last but not least, if ldap_init() exists, we want to use ldap
 711         if conf.CONFIG_SET('HAVE_LDAP_INIT') and conf.CONFIG_SET('HAVE_LDAP_H'):
 712             conf.DEFINE('HAVE_LDAP', '1')
 713             conf.DEFINE('LDAP_DEPRECATED', '1')
 714             conf.env['HAVE_LDAP'] = '1'
 715             # if ber_sockbuf_add_io() and LDAP_OPT_SOCKBUF are available, we can add
 716             # SASL wrapping hooks
 717             if conf.CONFIG_SET('HAVE_BER_SOCKBUF_ADD_IO') and \
 718                     conf.CONFIG_SET('HAVE_LDAP_OPT_SOCKBUF'):
 719                 conf.DEFINE('HAVE_LDAP_SASL_WRAPPING', '1')
 720         else:
 721             conf.fatal("LDAP support not found. "
 722                        "Try installing libldap2-dev or openldap-devel. "
 723                        "Otherwise, use --without-ldap to build without "
 724                        "LDAP support. "
 725                        "LDAP support is required for the LDAP passdb backend, "
 726                        "LDAP idmap backends and ADS. "
 727                        "ADS support improves communication with "
 728                        "Active Directory domain controllers.")
 729     else:
 730         conf.SET_TARGET_TYPE('ldap', 'EMPTY')
 731         conf.SET_TARGET_TYPE('lber', 'EMPTY')
 732
 733     if Options.options.with_ads == False:
 734         use_ads = False
 735         use_ads_krb5 = False
 736         use_ads_ldap = False
 737     else:
 738         use_ads = True
 739         use_ads_krb5 = True
 740         use_ads_ldap = True
 741         if not conf.CONFIG_SET('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5') and \
 742            not conf.CONFIG_SET('HAVE_ENCTYPE_ARCFOUR_HMAC'):
 743             Logs.warn("arcfour-hmac-md5 encryption type not found in -lkrb5")
 744             use_ads_krb5 = False
 745         if not conf.CONFIG_SET('HAVE_KRB5_MK_REQ_EXTENDED'):
 746             Logs.warn("krb5_mk_req_extended not found in -lkrb5")
 747             use_ads_krb5 = False
 748         if not conf.CONFIG_SET('HAVE_KRB5_GET_HOST_REALM'):
 749             Logs.warn("krb5_get_host_realm not found in -lkrb5")
 750             use_ads_krb5 = False
 751         if not conf.CONFIG_SET('HAVE_KRB5_FREE_HOST_REALM'):
 752             Logs.warn("krb5_free_host_realm not found in -lkrb5")
 753             use_ads_krb5 = False
 754         if not conf.CONFIG_SET('HAVE_KRB5_FWD_TGT_CREDS'):
 755             Logs.warn("krb5_fwd_tgt_creds found in -lkrb5")
 756             use_ads_krb5 = False
 757         if not conf.CONFIG_SET('HAVE_KRB5_GET_INIT_CREDS_OPT_ALLOC'):
 758             Logs.warn("krb5_get_init_creds_opt_alloc not found in -lkrb5")
 759             use_ads_krb5 = False
 760         if not conf.CONFIG_SET('KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT'):
 761             Logs.warn("krb5_get_init_creds_opt_free was not found or was too old in -lkrb5")
 762             use_ads_krb5 = False
 763         if not conf.CONFIG_SET('HAVE_KRB5_GET_RENEWED_CREDS'):
 764             Logs.warn("krb5_get_renewed_creds not found in -lkrb5")
 765             use_ads_krb5 = False
 766         if not conf.CONFIG_SET('HAVE_KRB5_PRINCIPAL_COMPARE_ANY_REALM'):
 767             Logs.warn("krb5_principal_compare_any_realm not found in -lkrb5")
 768             use_ads_krb5 = False
 769         if not conf.CONFIG_SET('HAVE_KRB5_C_STRING_TO_KEY') and \
 770            not conf.CONFIG_SET('HAVE_KRB5_STRING_TO_KEY_SALT'):
 771             Logs.warn("krb5_c_string_to_key not found in -lkrb5")
 772             use_ads_krb5 = False
 773         if not conf.CONFIG_SET('HAVE_KRB5_PRINCIPAL2SALT') and \
 774            not conf.CONFIG_SET('HAVE_KRB5_GET_PW_SALT'):
 775             Logs.warn("no CREATE_KEY_FUNCTIONS detected")
 776             use_ads_krb5 = False
 777         if not conf.CONFIG_SET('HAVE_KRB5_GET_PERMITTED_ENCTYPES') and \
 778            not conf.CONFIG_SET('HAVE_KRB5_GET_DEFAULT_IN_TKT_ETYPES'):
 779             Logs.warn("no GET_ENCTYPES_FUNCTIONS detected")
 780             use_ads_krb5 = False
 781         if not conf.CONFIG_SET('HAVE_KRB5_KT_FREE_ENTRY') and \
 782            not conf.CONFIG_SET('HAVE_KRB5_FREE_KEYTAB_ENTRY_CONTENTS'):
 783             Logs.warn("no KT_FREE_FUNCTION detected")
 784             use_ads_krb5 = False
 785         if not conf.CONFIG_SET('HAVE_KRB5_C_VERIFY_CHECKSUM'):
 786             Logs.warn("krb5_c_verify_checksum_compare not found in -lkrb5")
 787             use_ads_krb5 = False
 788
 789         # We don't actually use
 790         # gsskrb5_extract_authz_data_from_sec_context, but it is a
 791         # clue that this Heimdal, which does the PAC processing we
 792         # need on the standard gss_inquire_sec_context_by_oid
 793         if not conf.CONFIG_SET('HAVE_GSS_GET_NAME_ATTRIBUTE') and \
 794             not (conf.CONFIG_SET('HAVE_GSSKRB5_EXTRACT_AUTHZ_DATA_FROM_SEC_CONTEXT') and \
 795                      conf.CONFIG_SET('HAVE_GSS_INQUIRE_SEC_CONTEXT_BY_OID')):
 796             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")
 797             use_ads_krb5 = False
 798
 799         if not conf.CONFIG_SET('HAVE_GSS_KRB5_EXPORT_LUCID_SEC_CONTEXT'):
 800             Logs.warn("need gss_krb5_export_lucid_sec_context for SPNEGO and gss_wrap support")
 801             use_ads_krb5 = False
 802
 803         if use_ads_krb5:
 804             conf.DEFINE('HAVE_KRB5', '1')
 805             conf.env['HAVE_KRB5'] = '1'
 806         else:
 807             conf.undefine('HAVE_KRB5_H')
 808             conf.undefine('HAVE_GSSAPI_H')
 809             conf.undefine('HAVE_GSSAPI_GSSAPI_GENERIC_H')
 810             conf.undefine('HAVE_GSSAPI_GSSAPI_H')
 811             use_ads = False
 812
 813         if not conf.CONFIG_SET('HAVE_LDAP'):
 814             use_ads = False
 815             use_ads_ldap = False
 816
 817     if use_ads:
 818         conf.DEFINE('WITH_ADS', '1')
 819         conf.env['HAVE_ADS'] = '1'
 820         Logs.info("Building with Active Directory support.")
 821         # these have broken dependencies
 822         forced_shared_modules.extend(TO_LIST('idmap_ad idmap_rfc2307'))
 823     elif Options.options.with_ads == False:
 824         Logs.info("Building without Active Directory support (--without-ads).")
 825     else:
 826         if not use_ads_krb5:
 827             Logs.warn("Active Directory support not available: krb5 libs don't have all required features")
 828         if not use_ads_ldap:
 829             Logs.warn("Active Directory support not available: LDAP support is not available.")
 830         if Options.options.with_ads:
 831             conf.fatal("Active Directory support not found. Use --without-ads "
 832                        "for building without Active Directory support. "
 833                        "ADS support improves communication with "
 834                        "Active Directory domain controllers.")
 835         else:
 836             # this is the auto-mode case
 837             Logs.warn("Building without Active Directory support.")
 838
 839
 840     if Options.options.with_utmp:
 841         conf.env.with_utmp = True
 842         if not conf.CHECK_HEADERS('utmp.h'): conf.env.with_utmp = False
 843         conf.CHECK_FUNCS('pututline pututxline updwtmp updwtmpx getutmpx getutxent')
 844         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_name', headers='utmp.h',
 845                                     define='HAVE_UT_UT_NAME')
 846         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_user', headers='utmp.h',
 847                                     define='HAVE_UT_UT_USER')
 848         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_id', headers='utmp.h',
 849                                     define='HAVE_UT_UT_ID')
 850         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_host', headers='utmp.h',
 851                                     define='HAVE_UT_UT_HOST')
 852         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_time', headers='utmp.h',
 853                                     define='HAVE_UT_UT_TIME')
 854         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_tv', headers='utmp.h',
 855                                     define='HAVE_UT_UT_TV')
 856         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_type', headers='utmp.h',
 857                                     define='HAVE_UT_UT_TYPE')
 858         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_pid', headers='utmp.h',
 859                                     define='HAVE_UT_UT_PID')
 860         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_exit.e_exit', headers='utmp.h',
 861                                     define='HAVE_UT_UT_EXIT')
 862         conf.CHECK_STRUCTURE_MEMBER('struct utmpx', 'ut_syslen', headers='utmpx.h',
 863                                     define='HAVE_UX_UT_SYSLEN')
 864         conf.CHECK_CODE('struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);',
 865                         'PUTUTLINE_RETURNS_UTMP', headers='utmp.h',
 866                         msg="Checking whether pututline returns pointer")
 867         conf.CHECK_SIZEOF(['((struct utmp *)NULL)->ut_line'], headers='utmp.h',
 868                           define='SIZEOF_UTMP_UT_LINE', critical=False)
 869         if not conf.CONFIG_SET('SIZEOF_UTMP_UT_LINE'):
 870             conf.env.with_utmp = False
 871         elif int(conf.env.SIZEOF_UTMP_UT_LINE) < 15:
 872             conf.env.with_utmp = False
 873         if conf.env.with_utmp:
 874             conf.DEFINE('WITH_UTMP', 1)
 875         else:
 876             Logs.warn("--with-utmp but utmp support not sufficient")
 877
 878     if Options.options.with_avahi:
 879         conf.env.with_avahi = True
 880         if not conf.CHECK_HEADERS('avahi-common/watch.h avahi-client/client.h'): conf.env.with_avahi = False
 881         if not conf.CHECK_FUNCS_IN('avahi_client_new', 'avahi-client'): conf.env.with_avahi = False
 882         if not conf.CHECK_FUNCS_IN('avahi_strerror', 'avahi-common'): conf.env.with_avahi = False
 883         if conf.env.with_avahi:
 884             conf.DEFINE('WITH_AVAHI_SUPPORT', 1)
 885     else:
 886         conf.SET_TARGET_TYPE('avahi-common', 'EMPTY')
 887         conf.SET_TARGET_TYPE('avahi-client', 'EMPTY')
 888
 889     if Options.options.with_iconv:
 890         conf.env.with_iconv = True
 891         if not conf.CHECK_FUNCS_IN('iconv_open', 'iconv', headers='iconv.h'):
 892             conf.env.with_iconv = False
 893         if conf.env.with_iconv:
 894             conf.DEFINE('HAVE_ICONV', 1)
 895
 896     if Options.options.with_pam:
 897         use_pam=True
 898         conf.CHECK_HEADERS('security/pam_appl.h pam/pam_appl.h')
 899         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_APPL_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_APPL_H'):
 900             Logs.warn("--with-pam=yes but pam_appl.h not found")
 901             use_pam=False
 902         conf.CHECK_FUNCS_IN('pam_get_data', 'pam')
 903         conf.CHECK_HEADERS('security/pam_modules.h pam/pam_modules.h')
 904         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_MODULES_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_MODULES_H'):
 905             Logs.warn("--with-pam=yes but pam_modules.h not found")
 906             use_pam=False
 907         conf.CHECK_HEADERS('security/pam_ext.h security/_pam_macros.h')
 908         conf.CHECK_HEADERS('pam/pam_ext.h pam/_pam_macros.h')
 909         conf.CHECK_FUNCS_IN('pam_vsyslog', 'pam')
 910         conf.CHECK_CODE('''
 911 #if defined(HAVE_SECURITY_PAM_APPL_H)
 912 #include <security/pam_appl.h>
 913 #elif defined(HAVE_PAM_PAM_APPL_H)
 914 #include <pam/pam_appl.h>
 915 #endif
 916 pam_set_item(0, PAM_RHOST, 0);
 917 ''',
 918             'HAVE_PAM_RHOST',
 919             lib='pam',
 920             msg="Checking whether PAM_RHOST is available");
 921         conf.CHECK_CODE('''
 922 #if defined(HAVE_SECURITY_PAM_APPL_H)
 923 #include <security/pam_appl.h>
 924 #elif defined(HAVE_PAM_PAM_APPL_H)
 925 #include <pam/pam_appl.h>
 926 #endif
 927 pam_set_item(0, PAM_TTY, 0);
 928 ''',
 929             'HAVE_PAM_TTY',
 930             lib='pam',
 931             msg="Checking whether PAM_TTY is available");
 932         conf.CHECK_CODE('''
 933 #if (!defined(LINUX))
 934
 935 #define PAM_EXTERN extern
 936 #if defined(HAVE_SECURITY_PAM_APPL_H)
 937 #include <security/pam_appl.h>
 938 #elif defined(HAVE_PAM_PAM_APPL_H)
 939 #include <pam/pam_appl.h>
 940 #endif
 941
 942 #endif
 943
 944 #if defined(HAVE_SECURITY_PAM_MODULES_H)
 945 #include <security/pam_modules.h>
 946 #elif defined(HAVE_PAM_PAM_MODULES_H)
 947 #include <pam/pam_modules.h>
 948 #endif
 949
 950 #if defined(HAVE_SECURITY__PAM_MACROS_H)
 951 #include <security/_pam_macros.h>
 952 #elif defined(HAVE_PAM__PAM_MACROS_H)
 953 #include <pam/_pam_macros.h>
 954 #endif
 955
 956 #ifdef HAVE_SECURITY_PAM_EXT_H
 957 #include <security/pam_ext.h>
 958 #endif
 959
 960 int i; i = PAM_RADIO_TYPE;
 961 ''',
 962             'HAVE_PAM_RADIO_TYPE',
 963             lib='pam',
 964             msg="Checking whether PAM_RADIO_TYPE is available");
 965         if use_pam:
 966             conf.DEFINE('WITH_PAM', 1)
 967             conf.DEFINE('WITH_PAM_MODULES', 1)
 968
 969     if Options.options.with_pam_smbpass:
 970         conf.env.with_pam_smbpass = True
 971
 972     seteuid = False
 973
 974 #
 975 # Ensure we select the correct set of system calls on Linux.
 976 #
 977     if (host_os.rfind('linux') > -1):
 978         conf.CHECK_CODE('''
 979 #if defined(HAVE_UNISTD_H)
 980 #include <unistd.h>
 981 #endif
 982 #include <stdlib.h>
 983 #include <stdio.h>
 984 #include <sys/types.h>
 985 #include <errno.h>
 986
 987 #ifdef HAVE_SYS_PRIV_H
 988 #include <sys/priv.h>
 989 #endif
 990 #ifdef HAVE_SYS_ID_H
 991 #include <sys/id.h>
 992 #endif
 993
 994 #if defined(HAVE_SYSCALL_H)
 995 #include <syscall.h>
 996 #endif
 997
 998 #if defined(HAVE_SYS_SYSCALL_H)
 999 #include <sys/syscall.h>
1000 #endif
1001
1002 syscall(SYS_setresuid32, -1, -1, -1);
1003 syscall(SYS_setresgid32, -1, -1, -1);
1004 syscall(SYS_setreuid32, -1, -1);
1005 syscall(SYS_setregid32, -1, -1);
1006 syscall(SYS_setuid32, -1);
1007 syscall(SYS_setgid32, -1);
1008 syscall(SYS_setgroups32, 0, NULL);
1009 ''',
1010             'USE_LINUX_32BIT_SYSCALLS',
1011             msg="Checking whether Linux should use 32-bit credential calls");
1012
1013         if (conf.CONFIG_SET('USE_LINUX_32BIT_SYSCALLS')):
1014             seteuid = conf.CHECK_CODE('''
1015                                 #define AUTOCONF_TEST 1
1016                                 #define USE_LINUX_THREAD_CREDENTIALS 1
1017                                 #define USE_LINUX_32BIT_SYSCALLS 1
1018                                 #include "../lib/util/setid.c"
1019                                 #include "./lib/util_sec.c"
1020                                 ''',
1021                                 'USE_LINUX_THREAD_CREDENTIALS',
1022                                 addmain=False,
1023                                 execute=True,
1024                                 msg="Checking whether we can use Linux thread-specific credentials with 32-bit system calls")
1025         else:
1026             seteuid = conf.CHECK_CODE('''
1027                                 #define AUTOCONF_TEST 1
1028                                 #define USE_LINUX_THREAD_CREDENTIALS 1
1029                                 #include "../lib/util/setid.c"
1030                                 #include "./lib/util_sec.c"
1031                                 ''',
1032                                 'USE_LINUX_THREAD_CREDENTIALS',
1033                                 addmain=False,
1034                                 execute=True,
1035                                 msg="Checking whether we can use Linux thread-specific credentials")
1036     if not seteuid:
1037         seteuid = conf.CHECK_CODE('''
1038                                 #define AUTOCONF_TEST 1
1039                                 #define USE_SETREUID 1
1040                                 #include "../lib/util/setid.c"
1041                                 #include "./lib/util_sec.c"
1042                                 ''',
1043                                 'USE_SETREUID',
1044                                 addmain=False,
1045                                 execute=True,
1046                                 msg="Checking whether setreuid is available")
1047     if not seteuid:
1048         seteuid = conf.CHECK_CODE('''
1049                                 #define AUTOCONF_TEST 1
1050                                 #define USE_SETRESUID 1
1051                                 #include "../lib/util/setid.c"
1052                                 #include "./lib/util_sec.c"
1053                                 ''',
1054                                 'USE_SETRESUID',
1055                                 addmain=False,
1056                                 execute=True,
1057                                 msg="Checking whether setresuid is available")
1058     if not seteuid:
1059         seteuid = conf.CHECK_CODE('''
1060                                 #define AUTOCONF_TEST 1
1061                                 #define USE_SETEUID 1
1062                                 #include "../lib/util/setid.c"
1063                                 #include "./lib/util_sec.c"
1064                                 ''',
1065                                 'USE_SETEUID',
1066                                 addmain=False,
1067                                 execute=True,
1068                                 msg="Checking whether seteuid is available")
1069     if not seteuid:
1070         seteuid = conf.CHECK_CODE('''
1071                                 #define AUTOCONF_TEST 1
1072                                 #define USE_SETUIDX 1
1073                                 #include "../lib/util/setid.c"
1074                                 #include "./lib/util_sec.c"
1075                                 ''',
1076                                 'USE_SETUIDX',
1077                                 addmain=False,
1078                                 execute=True,
1079                                 mandatory=True,
1080                                 msg="Checking whether setuidx is available")
1081     if Options.options.with_dnsupdate:
1082         if not conf.CONFIG_SET('HAVE_KRB5'):
1083             Logs.warn("--with-dnsupdate=yes but gssapi support not sufficient")
1084         else:
1085             conf.DEFINE('WITH_DNS_UPDATES', 1)
1086     conf.CHECK_HEADERS('valgrind.h valgrind/valgrind.h valgrind/memcheck.h')
1087     if Options.options.developer:
1088         if conf.CONFIG_SET('HAVE_VALGRIND_H') or conf.CONFIG_SET('HAVE_VALGRIND_VALGRIND_H'):
1089             conf.DEFINE('VALGRIND', '1')
1090
1091     if conf.CHECK_CODE('''
1092 #include <bits/sockaddr.h>
1093 #include <linux/netlink.h>
1094 ''',
1095                 'HAVE_LINUX_NETLINK_H',
1096                 msg="Checking whether Linux netlink is available"):
1097
1098         conf.CHECK_CODE('''
1099 #include <bits/sockaddr.h>
1100 #include <linux/netlink.h>
1101 #include <linux/rtnetlink.h>
1102 ''',
1103                 'HAVE_LINUX_RTNETLINK_H',
1104                 msg='Checking whether Linux rtnetlink is available')
1105
1106     conf.CHECK_CODE('''
1107 #include "../tests/fcntl_lock.c"
1108 ''',
1109                 'HAVE_FCNTL_LOCK',
1110                 addmain=False,
1111                 execute=True,
1112                 msg='Checking whether fcntl locking is available')
1113
1114 # glibc up to 2.3.6 had dangerously broken posix_fallocate(). DON'T USE IT.
1115     if not conf.CHECK_CODE('''
1116 #define _XOPEN_SOURCE 600
1117 #include <stdlib.h>
1118 #if defined(__GLIBC__) && ((__GLIBC__ < 2) || (__GLIBC__ == 2 && __GLIBC_MINOR__ < 4))
1119 #error probably broken posix_fallocate
1120 #endif
1121 ''',
1122                            '_HAVE_UNBROKEN_POSIX_FALLOCATE',
1123                            msg='Checking for broken posix_fallocate'):
1124         conf.DEFINE('HAVE_BROKEN_POSIX_FALLOCATE', '1')
1125
1126
1127     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtim.tv_nsec',
1128                                 define='HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') # Linux, Solaris
1129     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimensec',
1130                                 define='HAVE_STRUCT_STAT_ST_MTIMENSEC') # BSD, if defined _POSIX_SOURCE
1131     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimespec.tv_nsec',
1132                                 define='HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') # BSD, if not defined _POSIX_SOURCE
1133     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtime_n',
1134                                 define='HAVE_STRUCT_STAT_ST_MTIME_N') # AIX
1135     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_umtime',
1136                                 define='HAVE_STRUCT_STAT_ST_UMTIME') # Tru64
1137     if conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') or \
1138        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMENSEC') or \
1139        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') or \
1140        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIME_N') or \
1141        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_UMTIME'):
1142         conf.DEFINE('HAVE_STAT_HIRES_TIMESTAMPS', '1')
1143
1144     # recent FreeBSD, NetBSD have creation timestamps called birthtime:
1145     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtime',
1146                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIME')
1147     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimespec.tv_nsec',
1148                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC')
1149     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimensec',
1150                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC')
1151
1152     conf.CHECK_CODE('''
1153 ssize_t err = posix_fadvise(0,0,0x80000,POSIX_FADV_WILLNEED);
1154 ''',
1155                 'HAVE_POSIX_FADVISE',
1156                 msg='Checking whether posix_fadvise is available',
1157                 headers='unistd.h fcntl.h')
1158
1159     for v in ['_SC_NGROUPS_MAX', '_SC_NPROC_ONLN', '_SC_NPROCESSORS_ONLN', '_SC_PAGESIZE' ]:
1160         conf.CHECK_CODE('''
1161                         #include <unistd.h>
1162                         return sysconf(%s) == -1 ? 1 : 0;
1163                         ''' % v,
1164                         'SYSCONF%s' % v,
1165                         msg='Checking whether sysconf(%s) is available' % v)
1166
1167     conf.CHECK_CODE('''
1168 #include <sys/syscall.h>
1169 #include <unistd.h>
1170 syscall(SYS_initgroups, 16, NULL, NULL, 0);
1171                     ''',
1172                     'HAVE_DARWIN_INITGROUPS',
1173                     msg='Checking whether to use the Darwin-specific initgroups system call')
1174
1175     conf.CHECK_CODE('''struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));''',
1176                     'HAVE_UTIMBUF',
1177                     headers='sys/types.h utime.h',
1178                     msg='Checking whether struct utimbuf is available')
1179
1180     if conf.CHECK_CODE('''struct sigevent s;''',
1181                     'HAVE_STRUCT_SIGEVENT',
1182                     headers='sys/types.h stdlib.h stddef.h signal.h',
1183                     msg='Checking whether we have the struct sigevent'):
1184         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sival_ptr',
1185                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIVAL_PTR',
1186                                     headers='signal.h');
1187         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sigval_ptr',
1188                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIGVAL_PTR',
1189                                     headers='signal.h');
1190
1191     if os.path.exists('/proc/sys/kernel/core_pattern'):
1192         conf.DEFINE('HAVE_SYS_KERNEL_PROC_CORE_PATTERN', '1')
1193
1194     if conf.CHECK_CODE('''
1195 #include <time.h>
1196 main() {
1197         struct tm *tm;
1198         if (sizeof(time_t) == 8) {
1199                 time_t max_time = 0x7fffffffffffffffll;
1200                 tm = gmtime(&max_time);
1201                 /* This should fail with 32-bit tm_year. */
1202                 if (tm == NULL) {
1203                         /* Max time_t that works with 32-bit int tm_year in struct tm. */
1204                         max_time = 67768036191676799ll;
1205                         tm = gmtime(&max_time);
1206                         if (tm) {
1207                                 exit(0);
1208                         }
1209                 }
1210         }
1211         exit(1);
1212 }''',
1213         '__TIME_T_MAX',
1214         addmain=False,
1215         execute=True,
1216         msg="Checking for the maximum value of the 'time_t' type"):
1217             conf.DEFINE('TIME_T_MAX', '67768036191676799ll')
1218
1219     conf.CHECK_CODE('''
1220 #if defined(HAVE_UNISTD_H)
1221 #include <unistd.h>
1222 #endif
1223 #include <sys/types.h>
1224 main() { dev_t dev = makedev(1,2); return 0; }
1225 ''',
1226         'HAVE_MAKEDEV',
1227         addmain=False,
1228         msg='Checking whether the macro for makedev is available')
1229
1230     conf.CHECK_CODE('''
1231 #include <stdio.h>
1232 #include <limits.h>
1233 #include <signal.h>
1234
1235 void exit_on_core(int ignored) {
1236         exit(1);
1237 }
1238
1239 main() {
1240         char *newpath;
1241         signal(SIGSEGV, exit_on_core);
1242         newpath = realpath("/tmp", NULL);
1243         exit((newpath != NULL) ? 0 : 1);
1244 }
1245 ''',
1246         'REALPATH_TAKES_NULL',
1247         addmain=False,
1248         execute=True,
1249         msg='Checking whether the realpath function allows a NULL argument')
1250
1251     conf.CHECK_CODE('''#include "../tests/ftruncate.c"''',
1252                     'HAVE_FTRUNCATE_EXTEND',
1253                     msg='Checking for ftruncate extend',
1254                     addmain=False,
1255                     execute=True)
1256
1257     if Options.options.with_sendfile_support:
1258         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):
1259             conf.CHECK_CODE('''
1260                             int tofd, fromfd;
1261                             off_t offset;
1262                             size_t total;
1263                             ssize_t nwritten = sendfile(tofd, fromfd, &offset, total);
1264                             ''',
1265                             '_HAVE_SENDFILE',
1266                             headers='sys/sendfile.h',
1267                             msg='Checking for linux sendfile support')
1268
1269             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1270                 conf.DEFINE('HAVE_SENDFILE', '1')
1271                 conf.DEFINE('LINUX_SENDFILE_API', '1')
1272                 conf.DEFINE('WITH_SENDFILE', '1')
1273         elif (host_os.rfind('freebsd') > -1) or (host_os.rfind('dragonfly') > -1):
1274             conf.CHECK_CODE('''
1275                             #include <sys/types.h>
1276                             #include <unistd.h>
1277                             #include <sys/socket.h>
1278                             #include <sys/uio.h>
1279                             int fromfd, tofd, ret, total=0;
1280                             off_t offset, nwritten;
1281                             struct sf_hdtr hdr;
1282                             struct iovec hdtrl;
1283                             hdr.headers = &hdtrl;
1284                             hdr.hdr_cnt = 1;
1285                             hdr.trailers = NULL;
1286                             hdr.trl_cnt = 0;
1287                             hdtrl.iov_base = NULL;
1288                             hdtrl.iov_len = 0;
1289                             ret = sendfile(fromfd, tofd, offset, total, &hdr, &nwritten, 0)
1290                             ''',
1291                             '_HAVE_SENDFILE',
1292                             msg='Checking for freebsd sendfile support')
1293             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1294                 conf.DEFINE('HAVE_SENDFILE', '1')
1295                 conf.DEFINE('FREEBSD_SENDFILE_API', '1')
1296                 conf.DEFINE('WITH_SENDFILE', '1')
1297         elif (host_os.rfind('darwin') > -1):
1298             conf.CHECK_CODE('''
1299                             #include <sys/types.h>
1300                             #include <sys/socket.h>
1301                             #include <sys/uio.h>
1302                             int fromfd, tofd, ret;
1303                             off_t offset, nwritten;
1304                             struct sf_hdtr hdr;
1305                             struct iovec hdtrl;
1306                             hdr.headers = &hdtrl;
1307                             hdr.hdr_cnt = 1;
1308                             hdr.trailers = (void *)0;
1309                             hdr.trl_cnt = 0;
1310                             hdtrl.iov_base = (void *)0;
1311                             hdtrl.iov_len = 0;
1312                             ret = sendfile(fromfd, tofd, offset, &nwritten, &hdr, 0);
1313                             ''',
1314                             '_HAVE_SENDFILE',
1315                             msg='Checking for darwin sendfile support')
1316             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1317                 conf.DEFINE('HAVE_SENDFILE', '1')
1318                 conf.DEFINE('DARWIN_SENDFILE_API', '1')
1319                 conf.DEFINE('WITH_SENDFILE', '1')
1320         elif (host_os.rfind('hpux') > -1) or (host_os.rfind('osf') > -1):
1321             conf.CHECK_CODE('''
1322                             #include <sys/socket.h>
1323                             #include <sys/uio.h>
1324                             int fromfd, tofd;
1325                             size_t total=0;
1326                             struct iovec hdtrl[2];
1327                             ssize_t nwritten;
1328                             off_t offset;
1329                             hdtrl[0].iov_base = 0;
1330                             hdtrl[0].iov_len = 0;
1331                             nwritten = sendfile(tofd, fromfd, offset, total, &hdtrl[0], 0);
1332                             ''',
1333                             '_HAVE_SENDFILE',
1334                             msg='Checking for osf/hpux sendfile support')
1335             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1336                 conf.DEFINE('HAVE_SENDFILE', '1')
1337                 conf.DEFINE('HPUX_SENDFILE_API', '1')
1338                 conf.DEFINE('WITH_SENDFILE', '1')
1339         elif (host_os.rfind('solaris') > -1):
1340             conf.CHECK_FUNCS_IN('sendfile', 'sendfilev')
1341             conf.CHECK_CODE('''
1342                             #include <sys/sendfile.h>,
1343                             int sfvcnt;
1344                             size_t xferred;
1345                             struct sendfilevec vec[2];
1346                             ssize_t nwritten;
1347                             int tofd;
1348                             sfvcnt = 2;
1349                             vec[0].sfv_fd = SFV_FD_SELF;
1350                             vec[0].sfv_flag = 0;
1351                             vec[0].sfv_off = 0;
1352                             vec[0].sfv_len = 0;
1353                             vec[1].sfv_fd = 0;
1354                             vec[1].sfv_flag = 0;
1355                             vec[1].sfv_off = 0;
1356                             vec[1].sfv_len = 0;
1357                             nwritten = sendfilev(tofd, vec, sfvcnt, &xferred);
1358                             ''',
1359                             '_HAVE_SENDFILEV',
1360                             msg='Checking for solaris sendfilev support')
1361             if conf.CONFIG_SET('_HAVE_SENDFILEV'):
1362                 conf.DEFINE('HAVE_SENDFILEV', '1')
1363                 conf.DEFINE('SOLARIS_SENDFILE_API', '1')
1364                 conf.DEFINE('WITH_SENDFILE', '1')
1365         elif (host_os.rfind('aix') > -1):
1366             conf.CHECK_CODE('''
1367                             #include <sys/socket.h>
1368                             int fromfd, tofd;
1369                             size_t total=0;
1370                             struct sf_parms hdtrl;
1371                             ssize_t nwritten;
1372                             hdtrl.header_data = 0;
1373                             hdtrl.header_length = 0;
1374                             hdtrl.file_descriptor = fromfd;
1375                             hdtrl.file_offset = 0;
1376                             hdtrl.file_bytes = 0;
1377                             hdtrl.trailer_data = 0;
1378                             hdtrl.trailer_length = 0;
1379                             nwritten = send_file(&tofd, &hdtrl, 0);
1380                             ''',
1381                             '_HAVE_SENDFILE',
1382                             msg='Checking for AIX send_file support')
1383             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1384                 conf.DEFINE('HAVE_SENDFILE', '1')
1385                 conf.DEFINE('AIX_SENDFILE_API', '1')
1386                 conf.DEFINE('WITH_SENDFILE', '1')
1387
1388     # Check for getcwd allowing a NULL arg.
1389     conf.CHECK_CODE('''
1390 #include <unistd.h>
1391 main() {
1392         char *s = getcwd(NULL,0);
1393         exit(s != NULL ?  0 : 1);
1394 }''', 'GETCWD_TAKES_NULL', addmain=False, execute=True,
1395         msg="getcwd takes a NULL argument")
1396
1397
1398     # UnixWare 7.x has its getspnam in -lgen
1399     conf.CHECK_FUNCS_IN('getspnam', 'gen')
1400     conf.CHECK_FUNCS_IN('getspnam', 'security')
1401     conf.CHECK_FUNCS_IN('getspnam', 'sec')
1402
1403     if Options.options.with_quotas:
1404         # For quotas on Veritas VxFS filesystems
1405         conf.CHECK_HEADERS('sys/fs/vx_quota.h')
1406         # For sys/quota.h and linux/quota.h
1407         conf.CHECK_HEADERS('sys/quota.h')
1408         # For quotas on BSD systems
1409         conf.CHECK_HEADERS('ufs/ufs/quota.h')
1410         # For quotas on Linux XFS filesystems
1411         if conf.CHECK_HEADERS('xfs/xqm.h'):
1412             conf.DEFINE('HAVE_XFS_QUOTAS', '1')
1413         else:
1414             # For Irix XFS
1415             conf.CHECK_CODE('''
1416                 #include "confdefs.h"
1417                 #ifdef HAVE_SYS_TYPES_H
1418                 #include <sys/types.h>
1419                 #endif
1420                 #ifdef HAVE_ASM_TYPES_H
1421                 #include <asm/types.h>
1422                 #endif
1423                 #include <sys/quota.h>
1424                 int i = Q_XGETQUOTA;''',
1425                 define='HAVE_XFS_QUOTAS',
1426                 msg='for XFS QUOTA in <sys/quota.h>',
1427                 execute=False,
1428                 local_include=False)
1429
1430         # For IRIX like dqb_isoftlimit instead of dqb_fsoftlimit in struc dqblk
1431         conf.CHECK_STRUCTURE_MEMBER('struct dqblk', 'dqb_fsoftlimit', define='HAVE_DQB_FSOFTLIMIT',
1432                                 headers='sys/quota.h')
1433         #darwin style quota bytecount
1434         conf.CHECK_STRUCTURE_MEMBER('struct dqblk', 'dqb_curbytes', define='HAVE_STRUCT_DQBLK_DQB_CURBYTES',
1435                                 headers='sys/quota.h')
1436         if conf.CHECK_HEADERS('rpcsvc/rquota.h'):
1437             conf.DEFINE('HAVE_NFS_QUOTAS', '1')
1438             conf.CHECK_STRUCTURE_MEMBER('struct getquota_rslt', 'getquota_rslt_u',
1439                                         define='HAVE_GETQUOTA_RSLT_GETQUOTA_RSLT_U',
1440                                         headers='rpcsvc/rquota.h')
1441
1442         if (host_os.rfind('linux') > -1):
1443             conf.DEFINE('HAVE_QUOTACTL_LINUX', '1')
1444         elif not conf.CONFIG_SET("HAVE_XFS_QUOTAS"):
1445             if not conf.CHECK_CODE('''
1446                 #define HAVE_QUOTACTL_4A 1
1447                 #define AUTOCONF_TEST 1
1448                 #include "../tests/sysquotas.c"
1449                 ''',
1450                                    cflags=conf.env['WERROR_CFLAGS'],
1451                                    define='HAVE_QUOTACTL_4A',
1452                                    msg='for QUOTACTL_4A: long quotactl(int cmd, char *special, qid_t id, caddr_t addr)',
1453                                    execute=True,
1454                                    addmain=False):
1455
1456                 conf.CHECK_CODE('''
1457                 #define HAVE_QUOTACTL_4B 1
1458                 #define AUTOCONF_TEST 1
1459                 #include "../tests/sysquotas.c"
1460                 ''',
1461                                 cflags=conf.env['WERROR_CFLAGS'],
1462                                 define='HAVE_QUOTACTL_4B',
1463                                 msg='for QUOTACTL_4B:  int quotactl(const char *path, int cmd, int id, char *addr)',
1464                                 execute=True,
1465                                 addmain=False)
1466
1467         conf.CHECK_CODE('''
1468                      clnt_create("", RQUOTAPROG, RQUOTAVERS, "udp");
1469 ''',
1470                         headers="rpc/rpc.h rpc/types.h rpcsvc/rquota.h rpc/nettype.h rpc/xdr.h",
1471                         define='HAVE_NFS_QUOTAS',
1472                         msg='for NFS QUOTAS',
1473                         execute=True,
1474                         local_include=False)
1475
1476         if conf.CONFIG_SET('HAVE_QUOTACTL_LINUX') or \
1477            conf.CONFIG_SET('HAVE_QUOTACTL_4A') or \
1478            conf.CONFIG_SET('HAVE_QUOTACTL_4B') or \
1479            conf.CONFIG_SET('HAVE_XFS_QUOTAS'):
1480             conf.DEFINE('HAVE_SYS_QUOTAS', '1')
1481             conf.DEFINE('WITH_QUOTAS', '1')
1482
1483     #
1484     # cluster support (CTDB)
1485     #
1486     if not Options.options.with_cluster_support:
1487         Logs.info("building without cluster support (--without-cluster-support)")
1488         conf.env.with_ctdb = False
1489     else:
1490         Logs.info("building with cluster support")
1491         conf.env['CTDB_CFLAGS'] = '-DCLUSTER_SUPPORT=1'
1492         conf.env['CTDB_INCLUDE'] = conf.srcdir + '/ctdb/include'
1493         conf.env.with_ctdb = True
1494
1495     conf.CHECK_CODE('__attribute__((destructor)) static void cleanup(void) { }',
1496                     'HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR',
1497                     addmain=False,
1498                     link=False,
1499                     msg='Checking whether we can compile with __attribute__((destructor))')
1500
1501     conf.CHECK_CODE('void seekdir(DIR *d, long loc) { return; }',
1502                     'SEEKDIR_RETURNS_VOID',
1503                     headers='sys/types.h dirent.h',
1504                     msg='Checking whether seekdir returns void')
1505
1506     if Options.options.with_profiling_data:
1507         conf.DEFINE('WITH_PROFILE', 1);
1508         conf.CHECK_FUNCS('getrusage', headers="sys/time.h sys/resource.h")
1509
1510     if Options.options.with_pthreadpool:
1511         if conf.CONFIG_SET('HAVE_PTHREAD'):
1512             conf.DEFINE('WITH_PTHREADPOOL', '1')
1513         else:
1514             Logs.warn("pthreadpool support cannot be enabled when pthread support was not found")
1515             conf.undefine('WITH_PTHREADPOOL')
1516
1517     if (conf.CHECK_HEADERS('linux/ioctl.h sys/ioctl.h linux/fs.h') and
1518         conf.CHECK_DECLS('FS_IOC_GETFLAGS FS_COMPR_FL', headers='linux/fs.h')):
1519             conf.DEFINE('HAVE_LINUX_IOCTL', '1')
1520
1521     conf.env['CCFLAGS_CEPHFS'] = "-D_FILE_OFFSET_BITS=64"
1522     if Options.options.libcephfs_dir:
1523         conf.env['CPPPATH_CEPHFS'] = Options.options.libcephfs_dir + '/include'
1524         conf.env['LIBPATH_CEPHFS'] = Options.options.libcephfs_dir + '/lib'
1525
1526     if conf.CHECK_HEADERS('cephfs/libcephfs.h', False, False, 'cephfs') and conf.CHECK_LIB('cephfs'):
1527         conf.DEFINE('HAVE_CEPH', '1')
1528
1529     if Options.options.with_glusterfs:
1530         conf.CHECK_CFG(package='glusterfs-api', args='"glusterfs-api >= 4" --cflags --libs',
1531                        msg='Checking for glusterfs-api >= 4', uselib_store="GFAPI")
1532         conf.CHECK_HEADERS('api/glfs.h', lib='gfapi')
1533         conf.CHECK_LIB('gfapi', shlib=True)
1534
1535         if conf.CONFIG_SET('HAVE_API_GLFS_H'):
1536             conf.DEFINE('HAVE_GLUSTERFS', '1')
1537         else:
1538             conf.SET_TARGET_TYPE('gfapi', 'EMPTY')
1539             conf.undefine('HAVE_GLUSTERFS')
1540     else:
1541         conf.SET_TARGET_TYPE('gfapi', 'EMPTY')
1542         conf.undefine('HAVE_GLUSTERFS')
1543
1544     if Options.options.enable_vxfs:
1545         conf.DEFINE('HAVE_VXFS', '1')
1546
1547     if conf.CHECK_CFG(package='dbus-1', args='--cflags --libs',
1548                       msg='Checking for dbus', uselib_store="DBUS-1"):
1549         if (conf.CHECK_HEADERS('dbus/dbus.h', lib='dbus-1')
1550                                       and conf.CHECK_LIB('dbus-1', shlib=True)):
1551             conf.DEFINE('HAVE_DBUS', '1')
1552
1553     conf.env.build_regedit = False
1554     if not Options.options.with_regedit == False:
1555         conf.PROCESS_SEPARATE_RULE('system_ncurses')
1556         if conf.CONFIG_SET('HAVE_NCURSES'):
1557             conf.env.build_regedit = True
1558
1559     if conf.env.build_regedit:
1560         Logs.info("building regedit")
1561     else:
1562         if Options.options.with_regedit == False:
1563             Logs.info("not building regedit (--without-regedit)")
1564         elif Options.options.with_regedit == True:
1565             Logs.error("ncurses not available, cannot build regedit")
1566             conf.fatal("ncurses not available, but --with-regedit was specified")
1567         else:
1568             Logs.info("ncurses not available, not building regedit")
1569
1570     conf.CHECK_FUNCS_IN('DES_pcbc_encrypt', 'crypto')
1571     if Options.options.with_fake_kaserver == True:
1572         conf.CHECK_HEADERS('afs/param.h afs/stds.h', together=True)
1573         conf.CHECK_HEADERS('afs/param.h afs/stds.h', together=True)
1574         if (conf.CONFIG_SET('HAVE_AFS_PARAM_H') and conf.CONFIG_SET('HAVE_AFS_STDS_H') and conf.CONFIG_SET('HAVE_DES_PCBC_ENCRYPT')):
1575             conf.DEFINE('WITH_FAKE_KASERVER', '1')
1576         else:
1577             conf.fatal('AFS headers not available, but --with-fake-kaserver was specified')
1578
1579     conf.env['libtracker']=''
1580     conf.env.with_spotlight = False
1581     if Options.options.with_spotlight:
1582         versions = ['1.0', '0.16', '0.14']
1583         for version in versions:
1584             testlib = 'tracker-sparql-' + version
1585             if conf.check_cfg(package=testlib,
1586                               args='--cflags --libs',
1587                               mandatory=False):
1588                 conf.SET_TARGET_TYPE(testlib, 'SYSLIB')
1589                 conf.env['libtracker'] = testlib
1590                 conf.env.with_spotlight = True
1591                 conf.DEFINE('WITH_SPOTLIGHT', '1')
1592                 break
1593
1594         if not conf.env.with_spotlight:
1595             conf.fatal("Spotlight support requested but tracker-sparql library missing")
1596         Logs.info("building with Spotlight support")
1597
1598     forced_static_modules.extend(TO_LIST('auth_domain auth_builtin auth_sam auth_winbind'))
1599     default_static_modules.extend(TO_LIST('''pdb_smbpasswd pdb_tdbsam pdb_wbc_sam
1600                                       auth_unix auth_wbc
1601                                       nss_info_template idmap_tdb idmap_passdb
1602                                       idmap_nss'''))
1603
1604     default_shared_modules.extend(TO_LIST('''
1605                                       vfs_recycle vfs_audit vfs_extd_audit vfs_full_audit vfs_netatalk
1606                                       vfs_fake_perms vfs_default_quota vfs_readonly vfs_cap
1607                                       vfs_expand_msdfs vfs_shadow_copy vfs_shadow_copy2
1608                                       vfs_readahead vfs_xattr_tdb vfs_posix_eadb
1609                                       vfs_streams_xattr vfs_streams_depot vfs_acl_xattr vfs_acl_tdb
1610                                       vfs_smb_traffic_analyzer vfs_preopen vfs_catia
1611                                       vfs_media_harmony vfs_unityed_media vfs_fruit vfs_shell_snap
1612                                       vfs_commit vfs_worm vfs_crossrename vfs_linux_xfs_sgid
1613                                       vfs_time_audit
1614                                   '''))
1615     default_shared_modules.extend(TO_LIST('auth_script idmap_tdb2 idmap_script'))
1616     # these have broken dependencies
1617     forced_shared_modules.extend(TO_LIST('idmap_autorid idmap_rid idmap_hash'))
1618
1619     if Options.options.developer:
1620         default_static_modules.extend(TO_LIST('charset_weird'))
1621         default_shared_modules.extend(TO_LIST('perfcount_test'))
1622         default_shared_modules.extend(TO_LIST('vfs_skel_opaque vfs_skel_transparent vfs_shadow_copy_test'))
1623         default_shared_modules.extend(TO_LIST('auth_skel pdb_test'))
1624
1625     if Options.options.enable_selftest or Options.options.developer:
1626         default_shared_modules.extend(TO_LIST('vfs_fake_acls vfs_nfs4acl_xattr'))
1627
1628
1629     if conf.CONFIG_SET('AD_DC_BUILD_IS_ENABLED'):
1630         default_static_modules.extend(TO_LIST('pdb_samba_dsdb auth_samba4 vfs_dfs_samba4'))
1631
1632     if conf.CONFIG_SET('HAVE_FREEBSD_SUNACL_H'):
1633         default_shared_modules.extend(TO_LIST('vfs_zfsacl'))
1634
1635     if conf.CONFIG_SET('HAVE_DIRFD_DECL'):
1636         default_shared_modules.extend(TO_LIST('vfs_syncops vfs_dirsort'))
1637
1638     if conf.CONFIG_SET('HAVE_STATFS_F_FSID'):
1639         default_shared_modules.extend(TO_LIST('vfs_fileid'))
1640
1641     if (conf.CONFIG_SET('HAVE_STRUCT_MSGHDR_MSG_CONTROL') or conf.CONFIG_SET('HAVE_STRUCT_MSGHDR_MSG_ACCRIGHTS')):
1642         default_shared_modules.extend(TO_LIST('vfs_aio_fork'))
1643
1644     if Options.options.with_pthreadpool:
1645         default_shared_modules.extend(TO_LIST('vfs_aio_pthread'))
1646
1647     if conf.CONFIG_SET('HAVE_AIO'):
1648         default_shared_modules.extend(TO_LIST('vfs_aio_posix'))
1649
1650     if conf.CONFIG_SET('HAVE_LINUX_KERNEL_AIO'):
1651         default_shared_modules.extend(TO_LIST('vfs_aio_linux'))
1652
1653     if conf.CONFIG_SET('HAVE_LDAP'):
1654         default_static_modules.extend(TO_LIST('pdb_ldapsam idmap_ldap'))
1655
1656     if conf.CONFIG_SET('DARWINOS'):
1657         default_static_modules.extend(TO_LIST('charset_macosxfs'))
1658
1659     if conf.CONFIG_SET('HAVE_GPFS'):
1660         default_shared_modules.extend(TO_LIST('vfs_gpfs'))
1661
1662     if (conf.CONFIG_SET('HAVE_LINUX_IOCTL')
1663       and conf.CONFIG_SET('HAVE_BASENAME') and conf.CONFIG_SET('HAVE_DIRNAME')):
1664         default_shared_modules.extend(TO_LIST('vfs_btrfs'))
1665
1666     if conf.CONFIG_SET("HAVE_CEPH"):
1667         default_shared_modules.extend(TO_LIST('vfs_ceph'))
1668
1669     if conf.CONFIG_SET('HAVE_GLUSTERFS'):
1670         default_shared_modules.extend(TO_LIST('vfs_glusterfs'))
1671
1672     if conf.CONFIG_SET('HAVE_VXFS'):
1673         default_shared_modules.extend(TO_LIST('vfs_vxfs'))
1674
1675     if conf.CONFIG_SET('HAVE_DBUS'):
1676         default_shared_modules.extend(TO_LIST('vfs_snapper'))
1677
1678     explicit_shared_modules = TO_LIST(Options.options.shared_modules, delimiter=',')
1679     explicit_static_modules = TO_LIST(Options.options.static_modules, delimiter=',')
1680
1681     def replace_list_item(lst, item, value):
1682         try:
1683             idx = lst.index(item)
1684             lst[idx] = value
1685         except:
1686             pass
1687     # PDB module file name should have the same name as module registers itself
1688     # In Autoconf build we export LDAP passdb module as ldapsam but WAF build
1689     # was always exporting pdb_ldap. In order to support existing packages
1690     # allow referring to pdb_ldapsam as pdb_ldap but use proper name internally.
1691     replace_list_item(explicit_shared_modules, 'pdb_ldap', 'pdb_ldapsam')
1692     replace_list_item(explicit_static_modules, 'pdb_ldap', 'pdb_ldapsam')
1693
1694     final_static_modules = []
1695     final_static_modules.extend(TO_LIST(required_static_modules))
1696     final_shared_modules = []
1697
1698     if '!FORCED' not in explicit_static_modules:
1699         final_static_modules.extend(TO_LIST(forced_static_modules))
1700     if '!FORCED' not in explicit_shared_modules:
1701         final_shared_modules.extend(TO_LIST(forced_shared_modules))
1702     if '!DEFAULT' not in explicit_static_modules:
1703         final_static_modules.extend(TO_LIST(default_static_modules))
1704     if '!DEFAULT' not in explicit_shared_modules:
1705         final_shared_modules.extend(TO_LIST(default_shared_modules))
1706
1707     if 'ALL' in explicit_static_modules:
1708         for m in default_shared_modules:
1709             if m in final_shared_modules:
1710                 final_shared_modules.remove(m)
1711             final_static_modules.append(m)
1712     if 'ALL' in explicit_shared_modules:
1713         for m in default_static_modules:
1714             if m in final_static_modules:
1715                 final_static_modules.remove(m)
1716             final_shared_modules.append(m)
1717
1718     for m in explicit_static_modules:
1719         if m in ['ALL','!DEFAULT','!FORCED']:
1720             continue
1721         if m.startswith('!'):
1722             m = m[1:]
1723             if m in required_static_modules:
1724                 raise Utils.WafError('These modules are REQUIRED as static modules: %s' %
1725                                      ' '.join(required_static_modules))
1726             if m in final_static_modules:
1727                 final_static_modules.remove(m)
1728             continue
1729         if m in forced_shared_modules:
1730             raise Utils.WafError('These modules MUST be configured as shared modules: %s' %
1731                                  ' '.join(forced_shared_modules))
1732         if m in final_shared_modules:
1733             final_shared_modules.remove(m)
1734         if m not in final_static_modules:
1735             final_static_modules.append(m)
1736     for m in explicit_shared_modules:
1737         if m in ['ALL','!DEFAULT','!FORCED']:
1738             continue
1739         if m.startswith('!'):
1740             m = m[1:]
1741             if m in final_shared_modules:
1742                 final_shared_modules.remove(m)
1743             continue
1744         if m in required_static_modules:
1745             raise Utils.WafError('These modules are REQUIRED as static modules: %s' %
1746                                  ' '.join(required_static_modules))
1747         if m in forced_static_modules:
1748             raise Utils.WafError('These module MUST be configured as static modules: %s' %
1749                                  ' '.join(forced_static_modules))
1750         if m in final_static_modules:
1751             final_static_modules.remove(m)
1752         if m not in final_shared_modules:
1753             final_shared_modules.append(m)
1754
1755     conf.env['static_modules'] = final_static_modules
1756     conf.env['shared_modules'] = final_shared_modules
1757
1758     conf.DEFINE('STRING_STATIC_MODULES', ' '.join(final_static_modules), quote=True)
1759
1760     static_list = {}
1761     shared_list = {}
1762
1763     prefixes = ['vfs', 'pdb', 'auth', 'nss_info', 'charset', 'idmap', 'gpext', 'perfcount']
1764     conf.env['MODULE_PREFIXES'] = prefixes
1765     for p in prefixes:
1766         for m in final_static_modules:
1767             if m.find(p) == 0:
1768                 if not p in static_list:
1769                     static_list[p] = []
1770                 static_list[p].append(m)
1771         for m in final_shared_modules:
1772             if m.find(p) == 0:
1773                 if not p in shared_list:
1774                     shared_list[p] = []
1775                 shared_list[p].append(m)
1776
1777     for p in prefixes:
1778         static_env = "%s_STATIC" % p.upper()
1779         shared_env = "%s_SHARED" % p.upper()
1780         conf.env[static_env] = []
1781         conf.env[shared_env] = []
1782         if p in static_list:
1783             decl_list=""
1784             for entry in static_list[p]:
1785                 decl_list += "extern NTSTATUS %s_init(void); " % entry
1786                 conf.env[static_env].append('%s' % entry)
1787             decl_list = decl_list.rstrip()
1788             conf.DEFINE('static_decl_%s' % p, decl_list)
1789             conf.DEFINE('static_init_%s' % p, '{ %s_init(); }' % '_init();  '.join(static_list[p]))
1790         else:
1791             conf.DEFINE('static_decl_%s' % p, '')
1792             conf.DEFINE('static_init_%s' % p, '{}')
1793         if p in shared_list:
1794             for entry in shared_list[p]:
1795                 conf.DEFINE('%s_init' % entry, 'samba_init_module')
1796                 conf.env[shared_env].append('%s' % entry)
1797         Logs.info("%s: %s" % (static_env, ','.join(conf.env[static_env])))
1798         Logs.info("%s: %s" % (shared_env, ','.join(conf.env[shared_env])))
1799
1800     conf.SAMBA_CONFIG_H('include/config.h')
1801
1802 def ctags(ctx):
1803     "build 'tags' file using ctags"
1804     import Utils
1805     source_root = os.path.dirname(Utils.g_module.root_path)
1806     cmd = 'ctags $(find %s/.. -name "*.[ch]" | grep -v "*_proto\.h")' % source_root
1807     print("Running: %s" % cmd)
1808     os.system(cmd)
1809