source3/wscript

   1 #! /usr/bin/env python
   2
   3 srcdir = '..'
   4 blddir = 'bin'
   5
   6 APPNAME='samba'
   7 VERSION=None
   8
   9 import sys, os
  10 from optparse import SUPPRESS_HELP
  11 sys.path.insert(0, srcdir+"/buildtools/wafsamba")
  12 sys.path.insert(0, "source3")
  13 import wafsamba, Options, Logs, Utils, Scripting
  14 import build.charset
  15 import samba_utils, samba_version
  16 import samba3
  17
  18 def set_options(opt):
  19     if not os.getenv('TOPLEVEL_BUILD'):
  20         opt.BUILTIN_DEFAULT('NONE')
  21         opt.PRIVATE_EXTENSION_DEFAULT('s3')
  22         opt.RECURSE('../lib/replace')
  23         opt.RECURSE('build')
  24         opt.RECURSE('selftest')
  25         opt.RECURSE('../lib/nss_wrapper')
  26         opt.RECURSE('../lib/socket_wrapper')
  27         opt.RECURSE('../lib/tevent')
  28         opt.RECURSE('../lib/tdb')
  29
  30     opt.add_option('--with-static-modules',
  31                    help=("Comma-separated list of names of modules to statically link in"),
  32                    action="store", dest='static_modules', default=None)
  33     opt.add_option('--with-shared-modules',
  34                    help=("Comma-separated list of names of modules to build shared"),
  35                    action="store", dest='shared_modules', default=None)
  36     opt.add_option('--enable-selftest',
  37                   help=("enable options necessary for selftest"),
  38                   action="store_true", dest='enable_selftest', default=False)
  39
  40     opt.SAMBA3_ADD_OPTION('winbind')
  41     opt.SAMBA3_ADD_OPTION('swat')
  42     opt.SAMBA3_ADD_OPTION('ads')
  43     opt.SAMBA3_ADD_OPTION('krb5')
  44     opt.SAMBA3_ADD_OPTION('ldap')
  45     opt.SAMBA3_ADD_OPTION('cups', with_name="enable", without_name="disable")
  46     opt.SAMBA3_ADD_OPTION('iprint', with_name="enable", without_name="disable")
  47     opt.SAMBA3_ADD_OPTION('merged-build', with_name="enable", without_name="disable")
  48     opt.SAMBA3_ADD_OPTION('pam')
  49     opt.SAMBA3_ADD_OPTION('pam_smbpass')
  50     opt.SAMBA3_ADD_OPTION('quotas')
  51     opt.SAMBA3_ADD_OPTION('sys-quotas')
  52     opt.SAMBA3_ADD_OPTION('sendfile-support')
  53     opt.SAMBA3_ADD_OPTION('utmp')
  54     opt.SAMBA3_ADD_OPTION('pthreadpool', with_name="enable", without_name="disable")
  55     opt.SAMBA3_ADD_OPTION('avahi', with_name="enable", without_name="disable")
  56     opt.SAMBA3_ADD_OPTION('iconv')
  57     opt.SAMBA3_ADD_OPTION('acl-support')
  58     opt.SAMBA3_ADD_OPTION('dnsupdate')
  59     opt.SAMBA3_ADD_OPTION('syslog')
  60     opt.SAMBA3_ADD_OPTION('automount')
  61     opt.SAMBA3_ADD_OPTION('aio-support')
  62     opt.SAMBA3_ADD_OPTION('profiling-data', default=False)
  63
  64     opt.SAMBA3_ADD_OPTION('cluster-support')
  65
  66     opt.add_option('--with-ctdb-dir',
  67                    help=("Directory under which ctdb is installed"),
  68                    action="store", dest='ctdb_dir', default=None)
  69     opt.add_option('--enable-old-ctdb',
  70                   help=("enable building against (too) old version of ctdb (default=false)"),
  71                   action="store_true", dest='enable_old_ctdb', default=False)
  72
  73
  74
  75 def configure(conf):
  76     from samba_utils import TO_LIST
  77
  78     if not conf.env.toplevel_build:
  79         version = samba_version.load_version(env=conf.env)
  80         conf.DEFINE('CONFIG_H_IS_FROM_SAMBA', 1)
  81         conf.DEFINE('_SAMBA_BUILD_', version.MAJOR, add_to_cflags=True)
  82         conf.DEFINE('HAVE_CONFIG_H', 1, add_to_cflags=True)
  83
  84     if Options.options.developer:
  85         conf.ADD_CFLAGS('-DDEVELOPER -DDEBUG_PASSWORD')
  86         conf.env.developer = True
  87
  88     if Options.options.with_swat:
  89         conf.env['build_swat'] = True
  90
  91     if not conf.env.toplevel_build:
  92         conf.RECURSE('../lib/replace')
  93         conf.RECURSE('build')
  94         conf.RECURSE('../lib/tdb')
  95         conf.RECURSE('../lib/talloc')
  96         conf.RECURSE('../lib/tevent')
  97         conf.RECURSE('../lib/popt')
  98         conf.RECURSE('../lib/nss_wrapper')
  99         conf.RECURSE('../lib/socket_wrapper')
 100         conf.RECURSE('../lib/zlib')
 101         conf.RECURSE('../libcli/smbreadline')
 102         conf.RECURSE('../lib/util')
 103
 104         conf.ADD_EXTRA_INCLUDES('''#source3 #source3/include #lib/replace''')
 105         if not conf.env.USING_SYSTEM_TDB:
 106             conf.ADD_EXTRA_INCLUDES('#lib/tdb/include')
 107         if not conf.env.USING_SYSTEM_TEVENT:
 108             conf.ADD_EXTRA_INCLUDES('#lib/tevent')
 109         if not conf.env.USING_SYSTEM_TALLOC:
 110             conf.ADD_EXTRA_INCLUDES('#lib/talloc')
 111         if not conf.env.USING_SYSTEM_POPT:
 112             conf.ADD_EXTRA_INCLUDES('#lib/popt')
 113
 114     conf.ADD_LDFLAGS("-Wl,--export-dynamic", testflags=True)
 115
 116     conf.CHECK_HEADERS('execinfo.h libexc.h libunwind.h netdb.h')
 117     conf.CHECK_HEADERS('linux/falloc.h')
 118
 119     conf.CHECK_FUNCS('getcwd fchown chmod fchmod mknod mknod64')
 120     conf.CHECK_FUNCS('strtol strchr strupr chflags')
 121     conf.CHECK_FUNCS('getrlimit fsync fdatasync setpgid')
 122     conf.CHECK_FUNCS('setsid glob strpbrk crypt16 getauthuid')
 123     conf.CHECK_FUNCS('sigprocmask sigblock sigaction sigset innetgr')
 124     conf.CHECK_FUNCS('initgroups select poll rdchk getgrnam getgrent pathconf')
 125     conf.CHECK_FUNCS('setpriv setgidx setuidx setgroups sysconf stat64 fstat64')
 126     conf.CHECK_FUNCS('lstat64 fopen64 atexit grantpt lseek64 ftruncate64 fallocate fallocate64 posix_fallocate posix_fallocate64')
 127     conf.CHECK_FUNCS('fseek64 fseeko64 ftell64 ftello64 setluid')
 128     conf.CHECK_FUNCS('getpwnam', headers='sys/types.h pwd.h')
 129     conf.CHECK_FUNCS('opendir64 readdir64 seekdir64 telldir64 rewinddir64 closedir64')
 130     conf.CHECK_FUNCS('fdopendir fdopendir64')
 131     conf.CHECK_FUNCS('getpwent_r getdents64 setenv strcasecmp fcvt fcvtl')
 132     conf.CHECK_FUNCS('syslog vsyslog timegm setlocale nl_langinfo')
 133     conf.CHECK_FUNCS_IN('nanosleep', 'rt')
 134     conf.CHECK_FUNCS('lutimes futimes utimensat futimens')
 135     conf.CHECK_FUNCS('mlock munlock mlockall munlockall')
 136     conf.CHECK_FUNCS('memalign posix_memalign hstrerror')
 137     conf.CHECK_FUNCS('shmget')
 138     conf.CHECK_FUNCS_IN('shm_open', 'rt', checklibc=True)
 139     conf.CHECK_FUNCS('gettext dgettext bindtextdomain textdomain')
 140     #FIXME: for some reason this one still fails
 141     conf.CHECK_FUNCS_IN('yp_get_default_domain', 'nsl')
 142     conf.CHECK_FUNCS_IN('dn_expand _dn_expand __dn_expand', 'resolv')
 143     conf.CHECK_DECLS('fdatasync', reverse=True)
 144     conf.CHECK_DECLS('readahead', reverse=True, headers='fcntl.h')
 145
 146     if conf.CONFIG_SET('HAVE_LONG_LONG'):
 147         conf.DEFINE('HAVE_LONGLONG', 1)
 148
 149     if conf.CHECK_CODE('''
 150 #if defined(HAVE_UNISTD_H)
 151 #include <unistd.h>
 152 #endif
 153 long ret = splice(0,0,1,0,400,0);
 154 ''',
 155         'HAVE_LINUX_SPLICE',
 156         headers='fcntl.h'):
 157         conf.CHECK_DECLS('splice', reverse=True, headers='fcntl.h')
 158
 159     # Check for inotify support
 160     conf.CHECK_HEADERS('linux/inotify.h asm/unistd.h sys/inotify.h')
 161     conf.CHECK_FUNCS('inotify_init')
 162     if "HAVE_LINUX_INOTIFY_H" in conf.env and "HAVE_INOTIFY_INIT" in conf.env:
 163         conf.DEFINE('HAVE_INOTIFY', 1)
 164
 165     # Check for kernel change notify support
 166     conf.CHECK_CODE('''
 167 #ifndef F_NOTIFY
 168 #define F_NOTIFY 1026
 169 #endif
 170 main() {
 171         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
 172 }''', 'HAVE_KERNEL_CHANGE_NOTIFY', addmain=False, execute=True,
 173         headers='fcntl.h signal.h',
 174         msg="Checking for kernel change notify support")
 175
 176     # Check for Linux kernel oplocks
 177     conf.CHECK_CODE('''
 178 #include <sys/types.h>
 179 #include <fcntl.h>
 180 #include <signal.h>
 181 #ifndef F_NOTIFY
 182 #define F_NOTIFY 1026
 183 #endif
 184 main() {
 185         exit(fcntl(open("/tmp", O_RDONLY), F_NOTIFY, 0) == -1 ?  1 : 0);
 186 }''', 'HAVE_KERNEL_OPLOCKS_LINUX', addmain=False, execute=True,
 187         msg="Checking for Linux kernel oplocks")
 188
 189     # Check for IRIX kernel oplock types
 190     conf.CHECK_CODE('oplock_stat_t t; t.os_state = OP_REVOKE; t.os_dev = 1; t.os_ino = 1;',
 191                     'HAVE_KERNEL_OPLOCKS_IRIX', headers='fcntl.h',
 192                     msg="Checking for IRIX kernel oplock types")
 193
 194     # Check for kernel share modes
 195     conf.CHECK_CODE('''
 196 #include <sys/types.h>
 197 #include <fcntl.h>
 198 #include <signal.h>
 199 #include <sys/file.h>
 200 #ifndef LOCK_MAND
 201 #define LOCK_MAND       32
 202 #define LOCK_READ       64
 203 #endif
 204 main() {
 205         exit(flock(open("/dev/null", O_RDWR), LOCK_MAND|LOCK_READ) != 0);
 206 }''', 'HAVE_KERNEL_SHARE_MODES', addmain=False, execute=True,
 207         msg="Checking for krenel share modes")
 208
 209     # Check for various members of the stat structure
 210     conf.CHECK_TYPES('blksize_t blkcnt_t')
 211     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blocks', define='HAVE_STAT_ST_BLOCKS',
 212                                 headers='sys/stat.h')
 213     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_blksize', define='HAVE_STAT_ST_BLKSIZE',
 214                                 headers='sys/stat.h')
 215     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_flags', define='HAVE_STAT_ST_FLAGS',
 216                                 headers='sys/types.h sys/stat.h unistd.h')
 217
 218     # Check for POSIX capability support
 219     conf.CHECK_FUNCS_IN('cap_get_proc', 'cap', headers='sys/capability.h')
 220
 221     if "HAVE_SYS_CAPABILITY_H" in conf.env:
 222         conf.CHECK_CODE('''
 223         cap_t cap;
 224         cap_value_t vals[1];
 225         if (!(cap = cap_get_proc())) exit(1);
 226         vals[0] = CAP_CHOWN;
 227         cap_set_flag(cap, CAP_INHERITABLE, 1, vals, CAP_CLEAR);
 228         cap_set_proc(cap);''',
 229                         'HAVE_POSIX_CAPABILITIES', execute=True, lib="cap",
 230                         headers='sys/capability.h',
 231                         msg="Checking whether POSIX capabilities are available")
 232
 233     # Check for int16, uint16, int32 and uint32 in rpc/types.h included from
 234     # rpc/rpc.h. This is *really* broken but some systems (DEC OSF1) do this.
 235     # -- JRA.
 236     if conf.CONFIG_SET("HAVE_RPC_RPC_H"):
 237         conf.CHECK_TYPE('int16', headers='rpc/rpc.h',
 238                         define='HAVE_INT16_FROM_RPC_RPC_H',
 239                         msg="Checking for int16 typedef included by rpc/rpc.h")
 240         conf.CHECK_CODE('uint16 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
 241                         headers='sys/types.h rpc/rpc.h',
 242                         msg="Checking for uint16 typedef included by rpc/rpc.h")
 243         conf.CHECK_CODE('int32 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
 244                         headers='sys/types.h rpc/rpc.h',
 245                         msg="Checking for int32 typedef included by rpc/rpc.h")
 246         conf.CHECK_CODE('uint32 testvar;', 'HAVE_INT16_FROM_RPC_RPC_H',
 247                         headers='sys/types.h rpc/rpc.h',
 248                         msg="Checking for uint32 typedef included by rpc/rpc.h")
 249     conf.CHECK_CODE('int i;', 'BROKEN_NISPLUS_INCLUDE_FILES',
 250                     headers='sys/types.h sys/acl.h rpcsvc/nis.h',
 251                     msg="Checking for broken nisplus include files")
 252
 253     # Check if the compiler will optimize out functions
 254     conf.CHECK_CODE('''
 255 if (0) {
 256     this_function_does_not_exist();
 257 } else {
 258     return 1;
 259 }''', 'HAVE_COMPILER_WILL_OPTIMIZE_OUT_FNS',
 260         msg="Checking if the compiler will optimize out functions")
 261
 262     # Check if the compiler supports the LL suffix on long long integers
 263     # AIX needs this
 264     conf.CHECK_CODE('long long i = 0x8000000000LL', 'COMPILER_SUPPORTS_LL',
 265                     headers='stdio.h',
 266                     msg="Checking for LL suffix on long long integers")
 267
 268     conf.CHECK_FUNCS('''
 269 _acl __acl add_proplist_entry atexit attr_getf attr_list attr_listf
 270 attropen attr_remove attr_removef attr_set attr_setf backtrace_symbols
 271 bindtextdomain _chdir __chdir chflags chmod _close __close _closedir
 272 __closedir closedir64 creat64 crypt16 delproplist devnm dgettext dirfd
 273 DNSServiceRegister _dup __dup _dup2 __dup2 endmntent execl
 274 extattr_delete_fd extattr_delete_link extattr_get_fd extattr_get_file
 275 extattr_get_link extattr_list_fd extattr_list_file extattr_list_link
 276 extattr_set_fd extattr_set_file extattr_set_link _facl __facl _fchdir
 277 __fchdir fchmod fchown _fcntl __fcntl fcvt fcvtl fdatasync
 278 fdelproplist fgetea fgetproplist fgetxattr flistea flistxattr fopen64
 279 _fork __fork fremoveea fremovexattr fseek64 fseeko64 fsetea
 280 fsetproplist fsetxattr _fstat __fstat fstat64 _fstat64 __fstat64 fsync
 281 ftell64 ftello64 ftruncate64 futimens futimes __fxstat getauthuid
 282 getcwd _getcwd __getcwd getdents __getdents getdents64 getdirentries
 283 getgrent getgrnam getgrouplist getgrset getmntent getpagesize
 284 getproplist get_proplist_entry getpwanam getpwent_r getrlimit gettext
 285 glob grantpt hstrerror initgroups innetgr
 286 inotify_init lgetea lgetxattr listea listxattr llistea llistxattr
 287 llseek _llseek __llseek lremoveea lremovexattr _lseek __lseek lseek64
 288 lsetea lsetxattr _lstat __lstat lstat64 _lstat64 __lstat64 lutimes
 289 __lxstat memalign mknod mknod64 mlock mlockall munlock munlockall
 290 nl_langinfo _open __open open64 _open64 __open64 _opendir __opendir
 291 opendir64 pathconf poll posix_fallocate posix_fallocate64
 292 posix_memalign prctl pread _pread __pread pread64 _pread64 __pread64
 293 pwrite _pwrite __pwrite pwrite64 _pwrite64
 294 __pwrite64 rdchk _read __read _readdir __readdir readdir64 _readdir64
 295 __readdir64 removeea removexattr rewinddir64 _seekdir __seekdir
 296 seekdir64 select setea setenv setgidx setgroups setlocale setluid
 297 setmntent setpgid setpriv setproplist setsid setuidx
 298 setxattr shmget shm_open sigaction sigblock sigprocmask sigset
 299 sizeof_proplist_entry _stat __stat stat64 _stat64 __stat64 statvfs
 300 strcasecmp strchr strpbrk strsignal strtol strupr sysconf sysctlbyname
 301 __sys_llseek syslog _telldir __telldir telldir64 textdomain timegm
 302 utimensat vsyslog _write __write __xstat
 303 ''')
 304
 305     conf.CHECK_SAMBA3_CHARSET() # see build/charset.py
 306
 307     # FIXME: these should be tests for features, but the old build system just
 308     # checks for OSes.
 309     import sys
 310     host_os = sys.platform
 311     Logs.info("building on %s" % host_os)
 312
 313     # Python doesn't have case switches... :/
 314     # FIXME: original was *linux* | gnu* | k*bsd*-gnu | kopensolaris*-gnu | *qnx*)
 315     # the search for .rfind('gnu') covers gnu* and *-gnu is that too broad?
 316
 317     conf.SET_TARGET_TYPE('sunacl', 'EMPTY')
 318     if (host_os.rfind('linux') > -1) or (host_os.rfind('gnu') > -1) or (host_os.rfind('qnx') > -1):
 319         if host_os.rfind('linux') > -1:
 320             conf.DEFINE('LINUX', '1')
 321         elif host_os.rfind('qnx') > -1:
 322             conf.DEFINE('QNX', '1')
 323         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 324     elif (host_os.rfind('darwin') > -1):
 325         conf.DEFINE('DARWINOS', 1)
 326         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 327         conf.ADD_CFLAGS('-fno-common')
 328     elif (host_os.rfind('freebsd') > -1):
 329         if conf.CHECK_HEADERS('sunacl.h'):
 330             conf.define('HAVE_FREEBSD_SUNACL_H', '1')
 331             conf.CHECK_FUNCS_IN('acl', 'sunacl')
 332         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 333     elif (host_os.rfind('netbsd') > -1):
 334         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 335     elif (host_os.rfind('openbsd') > -1):
 336         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 337     elif (host_os.rfind('sunos') > -1):
 338         conf.DEFINE('STAT_ST_BLOCKSIZE', '512')
 339     # FIXME: Add more checks here.
 340     else:
 341         Logs.warn("Unknown host_os '%s', please report this to samba-technical@samba.org" % host_os)
 342
 343     #FIXME: add more checks
 344     if Options.options.with_acl_support:
 345         if host_os.rfind('linux') > -1:
 346             conf.CHECK_FUNCS_IN('acl_get_file', 'acl')
 347             conf.CHECK_FUNCS_IN('getxattr', 'attr')
 348             if conf.CHECK_CODE('''
 349 acl_t acl;
 350 int entry_id;
 351 acl_entry_t *entry_p;
 352 return acl_get_entry(acl, entry_id, entry_p);
 353 ''',
 354                         'HAVE_POSIX_ACLS',
 355                         headers='sys/types.h sys/acl.h', link=False,
 356                         msg="Checking for POSIX ACL support") :
 357                 conf.CHECK_CODE('''
 358 acl_permset_t permset_d;
 359 acl_perm_t perm;
 360 return acl_get_perm_np(permset_d, perm);
 361 ''',
 362                         'HAVE_ACL_GET_PERM_NP',
 363                         headers='sys/types.h sys/acl.h', link=True,
 364                         msg="Checking whether acl_get_perm_np() is available")
 365         else:
 366             conf.DEFINE('HAVE_NO_ACLS', 1)
 367             conf.SET_TARGET_TYPE('acl', 'EMPTY')
 368     else:
 369         conf.DEFINE('HAVE_NO_ACLS', 1)
 370         conf.SET_TARGET_TYPE('acl', 'EMPTY')
 371
 372     if conf.CHECK_FUNCS('dirfd'):
 373         conf.DEFINE('HAVE_DIRFD_DECL', 1)
 374
 375     conf.CHECK_CODE('struct statfs fsd; fsid_t fsid = fsd.f_fsid; return statfs(".", &fsd);',
 376                     'HAVE_STATFS_F_FSID',
 377                     msg="vfs_fileid: checking for statfs() and struct statfs.f_fsid",
 378                     headers='sys/types.h sys/statfs.h',
 379                     execute=True)
 380
 381     if conf.CONFIG_SET('HAVE_FALLOCATE'):
 382         conf.CHECK_CODE('''
 383                 #if defined(HAVE_UNISTD_H)
 384                 #include <unistd.h>
 385                 #endif
 386                 #include <sys/types.h>
 387                 #define _GNU_SOURCE
 388                 #include <fcntl.h>
 389                 #if defined(HAVE_LINUX_FALLOC_H)
 390                 #include <linux/falloc.h>
 391                 #endif
 392                 int ret = fallocate(0, FALLOC_FL_KEEP_SIZE, 0, 10);''',
 393                 'HAVE_LINUX_FALLOCATE',
 394                 msg="Checking whether the Linux 'fallocate' function is available")
 395     if conf.CONFIG_SET('HAVE_FALLOCATE64'):
 396         conf.CHECK_CODE('''
 397                 #if defined(HAVE_UNISTD_H)
 398                 #include <unistd.h>
 399                 #endif
 400                 #include <sys/types.h>
 401                 #define _GNU_SOURCE
 402                 #include <fcntl.h>
 403                 #if defined(HAVE_LINUX_FALLOC_H)
 404                 #include <linux/falloc.h>
 405                 #endif
 406                 int ret = fallocate64(0, FALLOC_FL_KEEP_SIZE, 0, 10);''',
 407                 'HAVE_LINUX_FALLOCATE64',
 408                 msg="Checking whether the Linux 'fallocate64' function is available")
 409     conf.CHECK_CODE('''
 410                 #if defined(HAVE_UNISTD_H)
 411                 #include <unistd.h>
 412                 #endif
 413                 #include <fcntl.h>
 414                 ssize_t err = readahead(0,0,0x80000);''',
 415                 'HAVE_LINUX_READAHEAD',
 416                 msg="Checking whether Linux readahead is available")
 417     conf.CHECK_DECLS('readahead', headers='fcntl.h', always=True)
 418
 419     conf.CHECK_CODE('''
 420                 #include <sys/types.h>
 421                 #include <sys/socket.h>],
 422                 struct ucred cred;
 423                 socklen_t cred_len;
 424                 int ret = getsockopt(0, SOL_SOCKET, SO_PEERCRED, &cred, &cred_len);''',
 425                 'HAVE_PEERCRED',
 426                 msg="Checking whether we can use SO_PEERCRED to get socket credentials")
 427
 428     conf.CHECK_CODE('''
 429                 #if defined(HAVE_LONGLONG) && (defined(HAVE_OFF64_T) || (defined(SIZEOF_OFF_T) && (SIZEOF_OFF_T == 8)))
 430                 #include <sys/types.h>
 431                 #else
 432                 __COMPILE_ERROR_
 433                 #endif
 434                 int i;''',
 435                 'HAVE_EXPLICIT_LARGEFILE_SUPPORT',
 436                 msg="Checking whether large file support can be enabled")
 437
 438     if Options.options.with_aio_support:
 439         conf.CHECK_FUNCS_IN('aio_read', 'aio')
 440         conf.CHECK_FUNCS_IN('aio_read', 'rt')
 441         conf.CHECK_CODE('struct aiocb a; return aio_read(&a);',
 442                         'HAVE_AIO',
 443                         msg='Checking for asynchronous io support',
 444                         headers='sys/types.h aio.h',
 445                         lib='aio rt')
 446         conf.CHECK_CODE('struct aiocb64 a; return aio_read64(&a);',
 447                         'HAVE_AIO64',
 448                         msg='Checking for 64-bit asynchronous io support',
 449                         headers='sys/types.h aio.h',
 450                         lib='aio rt')
 451         if conf.CONFIG_SET('HAVE_AIO64'):
 452             conf.DEFINE('HAVE_AIOCB64', '1')
 453             conf.DEFINE('WITH_AIO', '1')
 454         elif conf.CONFIG_SET('HAVE_AIO'):
 455             conf.DEFINE('WITH_AIO', '1')
 456         if conf.CONFIG_SET('HAVE_AIO'):
 457             conf.CHECK_CODE('struct aiocb a; return aio_read(&a);', 'HAVE_AIO_READ', msg='Checking for aio_read', headers='aio.h', lib='aio rt')
 458             conf.CHECK_CODE('struct aiocb a; return aio_write(&a);', 'HAVE_AIO_WRITE', msg='Checking for aio_write', headers='aio.h', lib='aio rt')
 459             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')
 460             conf.CHECK_CODE('struct aiocb a; return aio_return(&a);', 'HAVE_AIO_RETURN', msg='Checking for aio_return', headers='aio.h', lib='aio rt')
 461             conf.CHECK_CODE('struct aiocb a; return aio_error(&a);', 'HAVE_AIO_ERROR', msg='Checking for aio_error', headers='aio.h', lib='aio rt')
 462             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')
 463             conf.CHECK_CODE('struct aiocb a; return aio_suspend(&a, 1, NULL);', 'HAVE_AIO_SUSPEND', msg='Checking for aio_suspend', headers='aio.h', lib='aio rt')
 464         if conf.CONFIG_SET('HAVE_AIO64'):
 465             conf.CHECK_CODE('struct aiocb a; return aio_read64(&a);', 'HAVE_AIO_READ64', msg='Checking for aio_read64', headers='aio.h', lib='aio rt')
 466             conf.CHECK_CODE('struct aiocb a; return aio_write64(&a);', 'HAVE_AIO_WRITE64', msg='Checking for aio_write64', headers='aio.h', lib='aio rt')
 467             conf.CHECK_CODE('struct aiocb a; return aio_fsync64(1, &a);', 'HAVE_AIO_FSYNC64', msg='Checking for aio_fsync64', headers='aio.h', lib='aio rt')
 468             conf.CHECK_CODE('struct aiocb a; return aio_return64(&a);', 'HAVE_AIO_RETURN64', msg='Checking for aio_return64', headers='aio.h', lib='aio rt')
 469             conf.CHECK_CODE('struct aiocb a; return aio_error64(&a);', 'HAVE_AIO_ERROR64', msg='Checking for aio_error64', headers='aio.h', lib='aio rt')
 470             conf.CHECK_CODE('struct aiocb a; return aio_cancel64(1, &a);', 'HAVE_AIO_CANCEL64', msg='Checking for aio_cancel64', headers='aio.h', lib='aio rt')
 471             conf.CHECK_CODE('struct aiocb a; return aio_suspend64(&a, 1, NULL);', 'HAVE_AIO_SUSPEND64', msg='Checking for aio_suspend64', headers='aio.h', lib='aio rt')
 472         if not conf.CONFIG_SET('HAVE_AIO'):
 473             conf.DEFINE('HAVE_NO_AIO', '1')
 474     else:
 475         conf.DEFINE('HAVE_NO_AIO', '1')
 476
 477     conf.CHECK_CODE('''
 478 struct msghdr msg;
 479 union {
 480         struct cmsghdr cm;
 481         char control[CMSG_SPACE(sizeof(int))];
 482 } control_un;
 483 msg.msg_control = control_un.control;
 484 msg.msg_controllen = sizeof(control_un.control);
 485 ''',
 486         'HAVE_MSGHDR_MSG_CONTROL',
 487         msg='Checking if we can use msg_control for passing file descriptors',
 488         headers='sys/types.h stdlib.h stddef.h sys/socket.h sys/un.h')
 489     conf.CHECK_CODE('''
 490 struct msghdr msg;
 491 int fd;
 492 msg.msg_acctrights = (caddr_t) &fd;
 493 msg.msg_acctrightslen = sizeof(fd);
 494 ''',
 495         'HAVE_MSGHDR_MSG_ACCTRIGHTS',
 496         msg='Checking if we can use msg_acctrights for passing file descriptors',
 497         headers='sys/types.h stdlib.h stddef.h sys/socket.h sys/un.h')
 498
 499     if Options.options.with_winbind:
 500         conf.env.build_winbind = True
 501         conf.DEFINE('WITH_WINBIND', '1')
 502
 503     conf.find_program('awk', var='AWK')
 504     conf.find_program('perl', var='PERL')
 505
 506     # Darwin has extra options to xattr-family functions
 507     conf.CHECK_CODE('getxattr(0, 0, 0, 0, 0, 0);',
 508                     'XATTR_ADD_OPT',
 509                     msg="Checking whether xattr interface takes additional options",
 510                     headers='sys/types.h attr/xattr.h sys/xattr.h')
 511
 512     conf.CHECK_HEADERS('asm/types.h')
 513
 514     conf.CHECK_CODE('dev_t dev; int i = major(dev); return 0', "HAVE_DEVICE_MAJOR_FN",
 515                     headers='unistd.h sys/types.h',
 516                     msg="Checking for major macro")
 517
 518     conf.CHECK_CODE('dev_t dev; int i = minor(dev); return 0', "HAVE_DEVICE_MINOR_FN",
 519                     headers='unistd.h sys/types.h',
 520                     msg="Checking for minor macro")
 521
 522     conf.CHECK_STRUCTURE_MEMBER('struct dirent', 'd_off',
 523                                 headers='unistd.h sys/types.h dirent.h',
 524                                 define='HAVE_DIRENT_D_OFF')
 525
 526     conf.CHECK_FUNCS('setnetgrent getnetgrent endnetgrent')
 527     if conf.CHECK_CFLAGS('-Werror-implicit-function-declaration'):
 528         netgrent_cflags = '-Werror-implicit-function-declaration'
 529     else:
 530         netgrent_cflags = ''
 531     conf.CHECK_CODE('setnetgrent("foo")', 'HAVE_SETNETGRENT_PROTOTYPE',
 532                     msg="Checking for setnetgrent prototype",
 533                     headers='netdb.h netgroup.h',
 534                     cflags=netgrent_cflags)
 535     conf.CHECK_CODE('getnetgrent', 'HAVE_GETNETGRENT_PROTOTYPE',
 536                     msg="Checking for getnetgrent prototype",
 537                     headers='netdb.h netgroup.h',
 538                     cflags=netgrent_cflags)
 539     conf.CHECK_CODE('endnetgrent', 'HAVE_ENDNETGRENT_PROTOTYPE',
 540                     msg="Checking for endnetgrent prototype",
 541                     headers='netdb.h netgroup.h',
 542                     cflags=netgrent_cflags)
 543
 544
 545     # Look for CUPS
 546     if Options.options.with_cups:
 547         conf.find_program('cups-config', var='CUPS_CONFIG')
 548         if conf.env.CUPS_CONFIG:
 549             # we would normally use --libs here, but cups-config incorrectly adds
 550             # gssapi_krb5 and other libraries to its --libs output. That breaks the use
 551             # of an in-tree heimdal kerberos
 552             conf.check_cfg(path=conf.env.CUPS_CONFIG, args="--cflags --ldflags",
 553                            package="", uselib_store="cups")
 554         conf.CHECK_HEADERS('cups/cups.h cups/language.h', lib='cups')
 555         conf.CHECK_FUNCS_IN('httpConnect httpConnectEncrypt', 'cups')
 556         if conf.CONFIG_SET('HAVE_CUPS_CUPS_H') and conf.CONFIG_SET('HAVE_CUPS_LANGUAGE_H'):
 557             conf.DEFINE('HAVE_CUPS', '1')
 558         else:
 559             conf.undefine('HAVE_CUPS')
 560             conf.SET_TARGET_TYPE('cups', 'EMPTY')
 561     else:
 562         # define an empty subsystem for cups, to allow it to be used as an empty dependency
 563         conf.SET_TARGET_TYPE('cups', 'EMPTY')
 564
 565     if Options.options.with_iprint:
 566         if conf.CONFIG_SET('HAVE_CUPS'):
 567             conf.DEFINE('HAVE_IPRINT', '1')
 568         else:
 569             Logs.warn("--enable-iprint=yes but cups support not sufficient")
 570     if Options.options.with_syslog:
 571         conf.DEFINE('WITH_SYSLOG', '1')
 572     if Options.options.with_automount:
 573         conf.DEFINE('WITH_AUTOMOUNT', '1')
 574
 575     # Check for LDAP
 576     if Options.options.with_ldap:
 577         conf.CHECK_HEADERS('ldap.h lber.h ldap_pvt.h')
 578         conf.CHECK_TYPE('ber_tag_t', 'unsigned int', headers='ldap.h lber.h')
 579         conf.CHECK_FUNCS_IN('ber_scanf ber_sockbuf_add_io', 'lber')
 580         conf.CHECK_VARIABLE('LDAP_OPT_SOCKBUF', headers='ldap.h')
 581
 582         # if we LBER_OPT_LOG_PRINT_FN we can intercept ldap logging and print it out
 583         # for the samba logs
 584         conf.CHECK_VARIABLE('LBER_OPT_LOG_PRINT_FN',
 585                             define='HAVE_LBER_LOG_PRINT_FN', headers='lber.h')
 586
 587         conf.CHECK_FUNCS_IN('ldap_init ldap_init_fd ldap_initialize ldap_set_rebind_proc', 'ldap')
 588         conf.CHECK_FUNCS_IN('ldap_add_result_entry', 'ldap')
 589
 590         # Check if ldap_set_rebind_proc() takes three arguments
 591         if conf.CHECK_CODE('ldap_set_rebind_proc(0, 0, 0)',
 592                            'LDAP_SET_REBIND_PROC_ARGS',
 593                            msg="Checking whether ldap_set_rebind_proc takes 3 arguments",
 594                            headers='ldap.h lber.h', link=False):
 595             conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '3')
 596         else:
 597             conf.DEFINE('LDAP_SET_REBIND_PROC_ARGS', '2')
 598
 599         # last but not least, if ldap_init() exists, we want to use ldap
 600         if conf.CONFIG_SET('HAVE_LDAP_INIT'):
 601             conf.DEFINE('HAVE_LDAP', '1')
 602             conf.DEFINE('LDAP_DEPRECATED', '1')
 603             conf.env['HAVE_LDAP'] = '1'
 604             # if ber_sockbuf_add_io() and LDAP_OPT_SOCKBUF are available, we can add
 605             # SASL wrapping hooks
 606             if conf.CONFIG_SET('HAVE_BER_SOCKBUF_ADD_IO') and \
 607                     conf.CONFIG_SET('HAVE_LDAP_OPT_SOCKBUF'):
 608                 conf.DEFINE('HAVE_LDAP_SASL_WRAPPING', '1')
 609     else:
 610         conf.SET_TARGET_TYPE('ldap', 'EMPTY')
 611         conf.SET_TARGET_TYPE('lber', 'EMPTY')
 612
 613     # Check for kerberos
 614     have_gssapi=False
 615     if Options.options.with_krb5 and not conf.env.toplevel_build:
 616         Logs.info("Looking for kerberos features")
 617         conf.find_program('krb5-config', var='KRB5_CONFIG')
 618         if conf.env.KRB5_CONFIG:
 619             conf.check_cfg(path="krb5-config", args="--cflags --libs",
 620                        package="gssapi", uselib_store="krb5")
 621         conf.CHECK_HEADERS('krb5.h krb5/locate_plugin.h', lib='krb5')
 622         conf.CHECK_HEADERS('gssapi.h gssapi/gssapi_generic.h gssapi/gssapi.h gssapi/gssapi_ext.h com_err.h', lib='krb5')
 623
 624         if conf.CONFIG_SET('HAVE_KRB5_LOCATE_PLUGIN_H'):
 625             conf.env['WINBIND_KRB5_LOCATOR'] = 'bin/winbind_krb5_locator.so'
 626
 627         conf.CHECK_FUNCS_IN('_et_list', 'com_err')
 628         conf.CHECK_FUNCS_IN('krb5_encrypt_data', 'k5crypto')
 629         conf.CHECK_FUNCS_IN('crypto', 'des_set_key')
 630         conf.CHECK_FUNCS_IN('copy_Authenticator', 'asn1')
 631         conf.CHECK_FUNCS_IN('roken_getaddrinfo_hostspec', 'roken')
 632         if conf.CHECK_FUNCS_IN('gss_display_status', 'gssapi') or \
 633            conf.CHECK_FUNCS_IN('gss_display_status', 'gssapi_krb5'):
 634             have_gssapi=True
 635         conf.CHECK_FUNCS_IN('gss_wrap_iov gss_krb5_import_cred gss_get_name_attribute gss_oid_equal gss_inquire_sec_context_by_oid', 'gssapi gssapi_krb5 krb5')
 636         conf.CHECK_FUNCS_IN('krb5_mk_req_extended krb5_kt_compare', 'krb5')
 637         conf.CHECK_FUNCS('''
 638 krb5_set_real_time krb5_set_default_in_tkt_etypes krb5_set_default_tgs_enctypes
 639 krb5_set_default_tgs_ktypes krb5_principal2salt krb5_use_enctype
 640 krb5_string_to_key krb5_get_pw_salt krb5_string_to_key_salt krb5_auth_con_setkey
 641 krb5_auth_con_setuseruserkey krb5_locate_kdc krb5_get_permitted_enctypes
 642 krb5_get_default_in_tkt_etypes krb5_free_data_contents
 643 krb5_principal_get_comp_string krb5_free_unparsed_name
 644 krb5_free_keytab_entry_contents krb5_kt_free_entry krb5_krbhst_init
 645 krb5_krbhst_get_addrinfo krb5_c_enctype_compare krb5_enctypes_compatible_keys
 646 krb5_crypto_init krb5_crypto_destroy krb5_decode_ap_req free_AP_REQ
 647 krb5_verify_checksum krb5_c_verify_checksum krb5_principal_compare_any_realm
 648 krb5_parse_name_norealm krb5_princ_size krb5_get_init_creds_opt_set_pac_request
 649 krb5_get_renewed_creds krb5_get_kdc_cred krb5_free_error_contents
 650 initialize_krb5_error_table krb5_get_init_creds_opt_alloc
 651 krb5_get_init_creds_opt_free krb5_get_init_creds_opt_get_error
 652 krb5_enctype_to_string krb5_fwd_tgt_creds krb5_auth_con_set_req_cksumtype
 653 krb5_get_creds_opt_alloc krb5_get_creds_opt_set_impersonate krb5_get_creds
 654 krb5_get_credentials_for_user krb5_get_host_realm krb5_free_host_realm''',
 655                          lib='krb5 k5crypto')
 656         conf.CHECK_DECLS('''krb5_get_credentials_for_user
 657                             krb5_auth_con_set_req_cksumtype''',
 658                             headers='krb5.h', always=True)
 659         conf.CHECK_VARIABLE('AP_OPTS_USE_SUBKEY', headers='krb5.h')
 660         conf.CHECK_VARIABLE('KV5M_KEYTAB', headers='krb5.h')
 661         conf.CHECK_VARIABLE('KRB5_KU_OTHER_CKSUM', headers='krb5.h')
 662         conf.CHECK_VARIABLE('KRB5_KEYUSAGE_APP_DATA_CKSUM', headers='krb5.h')
 663         conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'key', headers='krb5.h',
 664                                     define='HAVE_KRB5_KEYTAB_ENTRY_KEY')
 665         conf.CHECK_STRUCTURE_MEMBER('krb5_keytab_entry', 'keyblock', headers='krb5.h',
 666                                     define='HAVE_KRB5_KEYTAB_ENTRY_KEYBLOCK')
 667         conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'magic', headers='krb5.h',
 668                                     define='HAVE_MAGIC_IN_KRB5_ADDRESS')
 669         conf.CHECK_STRUCTURE_MEMBER('krb5_address', 'addrtype', headers='krb5.h',
 670                                     define='HAVE_ADDRTYPE_IN_KRB5_ADDRESS')
 671         conf.CHECK_STRUCTURE_MEMBER('krb5_ticket', 'enc_part2', headers='krb5.h',
 672                                     define='HAVE_KRB5_TKT_ENC_PART2')
 673         conf.CHECK_STRUCTURE_MEMBER('krb5_creds', 'keyblock', headers='krb5.h',
 674                                     define='HAVE_KRB5_KEYBLOCK_IN_CREDS')
 675         conf.CHECK_STRUCTURE_MEMBER('krb5_creds', 'session', headers='krb5.h',
 676                                     define='HAVE_KRB5_SESSION_IN_CREDS')
 677         conf.CHECK_STRUCTURE_MEMBER('krb5_ap_req', 'ticket', headers='krb5.h',
 678                                     define='HAVE_TICKET_POINTER_IN_KRB5_AP_REQ')
 679
 680         conf.CHECK_TYPE('krb5_encrypt_block', headers='krb5.h')
 681
 682         conf.CHECK_CODE('''
 683 krb5_ticket ticket;
 684 krb5_kvno kvno;
 685 krb5_enctype enctype;
 686 enctype = ticket.enc_part.enctype;
 687 kvno = ticket.enc_part.kvno;
 688 ''',
 689                         'KRB5_TICKET_HAS_KEYINFO',
 690                         headers='krb5.h', link=False,
 691                         msg="Checking whether the krb5_ticket structure contains the kvno and enctype")
 692         conf.CHECK_CODE('''
 693 krb5_context ctx;
 694 krb5_get_init_creds_opt *opt = NULL;
 695 krb5_get_init_creds_opt_free(ctx, opt);
 696 ''',
 697                         'KRB5_CREDS_OPT_FREE_REQUIRES_CONTEXT',
 698                         headers='krb5.h', link=False,
 699                         msg="Checking whether krb5_get_init_creds_opt_free takes a context argument")
 700         conf.CHECK_CODE('krb5_mk_error(0,0,0)',
 701                         'HAVE_SHORT_KRB5_MK_ERROR_INTERFACE',
 702                         headers='krb5.h', link=False,
 703                         msg="Checking whether krb5_mk_error takes 3 arguments MIT or 9 Heimdal")
 704         conf.CHECK_CODE('''
 705 const krb5_data *pkdata;
 706 krb5_context context;
 707 krb5_principal principal;
 708 pkdata = krb5_princ_component(context, principal, 0);
 709 ''',
 710                         'HAVE_KRB5_PRINC_COMPONENT',
 711                         headers='krb5.h', lib='krb5',
 712                         msg="Checking whether krb5_princ_component is available")
 713
 714         conf.CHECK_CODE('''
 715 int main(void) {
 716 char buf[256];
 717 krb5_enctype_to_string(1, buf, 256);
 718 return 0;
 719 }''',
 720                         'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_SIZE_T_ARG',
 721                         headers='krb5.h', lib='krb5 k5crypto',
 722                         addmain=False, cflags='-Werror',
 723                         msg="Checking whether krb5_enctype_to_string takes size_t argument")
 724
 725         conf.CHECK_CODE('''
 726 int main(void) {
 727 krb5_context context = NULL;
 728 char *str = NULL;
 729 krb5_enctype_to_string(context, 1, &str);
 730 if (str) free (str);
 731 return 0;
 732 }''',
 733                         'HAVE_KRB5_ENCTYPE_TO_STRING_WITH_KRB5_CONTEXT_ARG',
 734                         headers='krb5.h stdlib.h', lib='krb5',
 735                         addmain=False, cflags='-Werror',
 736                         msg="Checking whether krb5_enctype_to_string takes krb5_context argument")
 737         conf.CHECK_CODE('''
 738 int main(void) {
 739 krb5_context ctx = NULL;
 740 krb5_principal princ = NULL;
 741 const char *str = krb5_princ_realm(ctx, princ)->data;
 742 return 0;
 743 }''',
 744                         'HAVE_KRB5_PRINC_REALM',
 745                         headers='krb5.h', lib='krb5',
 746                         addmain=False,
 747                         msg="Checking whether the macro krb5_princ_realm is defined")
 748         conf.CHECK_CODE('''
 749 int main(void) {
 750     krb5_context context;
 751     krb5_principal principal;
 752     const char *realm; realm = krb5_principal_get_realm(context, principal);
 753     return 0;
 754 }''',
 755                         'HAVE_KRB5_PRINCIPAL_GET_REALM',
 756                         headers='krb5.h', lib='krb5',
 757                         addmain=False,
 758                         msg="Checking whether krb5_principal_get_realm is defined")
 759         if conf.CHECK_CODE('''krb5_verify_checksum(0, 0, 0, 0, 0, 0, 0);''',
 760                         'KRB5_VERIFY_CHECKSUM_ARGS',
 761                         headers='krb5.h', lib='krb5',
 762                         msg="Checking whether krb5_verify_checksum takes 7 arguments"):
 763             conf.DEFINE('KRB5_VERIFY_CHECKSUM_ARGS', '7')
 764         else:
 765             conf.DEFINE('KRB5_VERIFY_CHECKSUM_ARGS', '6')
 766
 767         conf.CHECK_CODE('''
 768 krb5_enctype enctype;
 769 enctype = ENCTYPE_ARCFOUR_HMAC_MD5;
 770 ''',
 771             '_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5',
 772             headers='krb5.h', lib='krb5',
 773             msg="Checking whether the ENCTYPE_ARCFOUR_HMAC_MD5 key type definition is available");
 774         conf.CHECK_CODE('''
 775 krb5_keytype keytype;
 776 keytype = KEYTYPE_ARCFOUR_56;
 777 ''',
 778             '_HAVE_KEYTYPE_ARCFOUR_56',
 779             headers='krb5.h', lib='krb5',
 780             msg="Checking whether the HAVE_KEYTYPE_ARCFOUR_56 key type definition is available");
 781         if conf.CONFIG_SET('_HAVE_ENCTYPE_ARCFOUR_HMAC_MD5') and conf.CONFIG_SET('_HAVE_KEYTYPE_ARCFOUR_56'):
 782             conf.DEFINE('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5', '1')
 783
 784         conf.CHECK_CODE('''
 785 krb5_enctype enctype;
 786 enctype = ENCTYPE_ARCFOUR_HMAC;
 787 ''',
 788             'HAVE_ENCTYPE_ARCFOUR_HMAC',
 789             headers='krb5.h', lib='krb5',
 790             msg="Checking whether the ENCTYPE_ARCFOUR_HMAC key type definition is available");
 791
 792         conf.CHECK_CODE('''
 793 krb5_context context;
 794 krb5_keytab keytab;
 795 krb5_init_context(&context);
 796 return krb5_kt_resolve(context, "WRFILE:api", &keytab);
 797 ''',
 798             'HAVE_WRFILE_KEYTAB',
 799             headers='krb5.h', lib='krb5', execute=True,
 800             msg="Checking whether the WRFILE:-keytab is supported");
 801
 802         # Check for KRB5_DEPRECATED handling
 803         conf.CHECK_CODE('''#define KRB5_DEPRECATED 1
 804 #include <krb5.h>''',
 805         'HAVE_KRB5_DEPRECATED_WITH_IDENTIFIER', addmain=False,
 806         link=False,
 807         msg="Checking for KRB5_DEPRECATED define taking an identifier")
 808     elif not conf.env.toplevel_build:
 809         conf.SET_TARGET_TYPE('krb5', 'EMPTY')
 810         conf.SET_TARGET_TYPE('gssapi', 'EMPTY')
 811         conf.SET_TARGET_TYPE('gssapi_krb5', 'EMPTY')
 812         conf.SET_TARGET_TYPE('com_err', 'EMPTY')
 813         conf.SET_TARGET_TYPE('k5crypto', 'EMPTY')
 814
 815     if Options.options.with_ads:
 816         use_ads=True
 817         if not conf.CONFIG_SET('HAVE_ENCTYPE_ARCFOUR_HMAC_MD5') and \
 818            not conf.CONFIG_SET('HAVE_ENCTYPE_ARCFOUR_HMAC'):
 819             Logs.warn("arcfour-hmac-md5 encryption type not found in -lkrb5")
 820             use_ads=False
 821         if not conf.CONFIG_SET('HAVE_KRB5_MK_REQ_EXTENDED'):
 822             Logs.warn("krb5_mk_req_extended not found in -lkrb5")
 823             use_ads=False
 824         if not conf.CONFIG_SET('HAVE_KRB5_PRINCIPAL2SALT') and \
 825            not conf.CONFIG_SET('HAVE_KRB5_GET_PW_SALT'):
 826             Logs.warn("no CREATE_KEY_FUNCTIONS detected")
 827             use_ads=False
 828         if not conf.CONFIG_SET('HAVE_KRB5_GET_PERMITTED_ENCTYPES') and \
 829            not conf.CONFIG_SET('HAVE_KRB5_GET_DEFAULT_IN_TKT_ETYPES'):
 830             Logs.warn("no GET_ENCTYPES_FUNCTIONS detected")
 831             use_ads=False
 832         if not conf.CONFIG_SET('HAVE_KRB5_KT_FREE_ENTRY') and \
 833            not conf.CONFIG_SET('HAVE_KRB5_FREE_KEYTAB_ENTRY_CONTENTS'):
 834             Logs.warn("no KT_FREE_FUNCTION detected")
 835             use_ads=False
 836         if not conf.CONFIG_SET('HAVE_KRB5_C_VERIFY_CHECKSUM') and \
 837            not conf.CONFIG_SET('HAVE_KRB5_VERIFY_CHECKSUM'):
 838             Logs.warn("no KRB5_VERIFY_CHECKSUM_FUNCTION detected")
 839             use_ads=False
 840         if not conf.CONFIG_SET('KRB5_TICKET_HAS_KEYINFO'):
 841             # We only need the following functions if we can't get the enctype
 842             # and kvno out of the ticket directly (ie. on Heimdal).
 843             if not conf.CONFIG_SET('HAVE_FREE_AP_REQ'):
 844                 Logs.warn("no KRB5_AP_REQ_FREE_FUNCTION detected")
 845                 use_ads=False
 846             if not conf.CONFIG_SET('HAVE_KRB5_DECODE_AP_REQ'):
 847                 Logs.warn("no KRB5_AP_REQ_DECODING_FUNCTION detected")
 848                 use_ads=False
 849         if use_ads:
 850             conf.DEFINE('WITH_ADS', '1')
 851             conf.DEFINE('HAVE_KRB5', '1')
 852             if have_gssapi:
 853                 conf.DEFINE('HAVE_GSSAPI', '1')
 854             if conf.CONFIG_SET('HAVE_LDAP'):
 855                 conf.env['HAVE_ADS'] = '1'
 856         else:
 857             Logs.warn("krb5 libs don't have all features required for Active Directory support")
 858             conf.undefine('HAVE_KRB5_H')
 859             conf.undefine('HAVE_GSSAPI_H')
 860             conf.undefine('HAVE_GSSAPI_GSSAPI_GENERIC_H')
 861             conf.undefine('HAVE_GSSAPI_GSSAPI_H')
 862
 863     if Options.options.with_utmp:
 864         conf.CHECK_FUNCS('pututline pututxline updwtmp updwtmpx getutmpx getutxent')
 865         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_name', headers='utmp.h',
 866                                     define='HAVE_UT_UT_NAME')
 867         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_user', headers='utmp.h',
 868                                     define='HAVE_UT_UT_USER')
 869         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_id', headers='utmp.h',
 870                                     define='HAVE_UT_UT_ID')
 871         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_host', headers='utmp.h',
 872                                     define='HAVE_UT_UT_HOST')
 873         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_time', headers='utmp.h',
 874                                     define='HAVE_UT_UT_TIME')
 875         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_tv', headers='utmp.h',
 876                                     define='HAVE_UT_UT_TV')
 877         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_type', headers='utmp.h',
 878                                     define='HAVE_UT_UT_TYPE')
 879         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_pid', headers='utmp.h',
 880                                     define='HAVE_UT_UT_PID')
 881         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_exit.e_exit', headers='utmp.h',
 882                                     define='HAVE_UT_UT_EXIT')
 883         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_addr_v6', headers='utmp.h',
 884                                     define='HAVE_UT_UT_ADDR_V6')
 885         conf.CHECK_STRUCTURE_MEMBER('struct utmp', 'ut_addr', headers='utmp.h',
 886                                     define='HAVE_UT_UT_ADDR')
 887         conf.CHECK_STRUCTURE_MEMBER('struct utmpx', 'ut_syslen', headers='utmpx.h',
 888                                     define='HAVE_UX_UT_SYSLEN')
 889         conf.CHECK_CODE('struct utmp utarg; struct utmp *utreturn; utreturn = pututline(&utarg);',
 890                         'PUTUTLINE_RETURNS_UTMP', headers='utmp.h',
 891                         msg="Checking whether pututline returns pointer")
 892         conf.DEFINE('WITH_UTMP', 1)
 893
 894     if Options.options.with_avahi:
 895         conf.env.with_avahi = True
 896         if not conf.CHECK_HEADERS('avahi-common/watch.h avahi-client/client.h'): conf.env.with_avahi = False
 897         if not conf.CHECK_FUNCS_IN('avahi_client_new', 'avahi-client'): conf.env.with_avahi = False
 898         if not conf.CHECK_FUNCS_IN('avahi_strerror', 'avahi-common'): conf.env.with_avahi = False
 899         if conf.env.with_avahi:
 900             conf.DEFINE('WITH_AVAHI_SUPPORT', 1)
 901     else:
 902         conf.SET_TARGET_TYPE('avahi-common', 'EMPTY')
 903         conf.SET_TARGET_TYPE('avahi-client', 'EMPTY')
 904
 905     if Options.options.with_iconv:
 906         conf.env.with_iconv = True
 907         if not conf.CHECK_FUNCS_IN('iconv_open', 'iconv', headers='iconv.h'):
 908             conf.env.with_iconv = False
 909         if conf.env.with_iconv:
 910             conf.DEFINE('HAVE_ICONV', 1)
 911
 912     if Options.options.with_pam:
 913         use_pam=True
 914         conf.CHECK_HEADERS('security/pam_appl.h pam/pam_appl.h')
 915         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_APPL_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_APPL_H'):
 916             Logs.warn("--with-pam=yes but pam_appl.h not found")
 917             use_pam=False
 918         conf.CHECK_FUNCS_IN('pam_get_data', 'pam')
 919         conf.CHECK_HEADERS('security/pam_modules.h pam/pam_modules.h')
 920         if not conf.CONFIG_SET('HAVE_SECURITY_PAM_MODULES_H') and not conf.CONFIG_SET('HAVE_PAM_PAM_MODULES_H'):
 921             Logs.warn("--with-pam=yes but pam_modules.h not found")
 922             use_pam=False
 923         conf.CHECK_HEADERS('security/pam_ext.h security/_pam_macros.h')
 924         conf.CHECK_HEADERS('pam/pam_ext.h pam/_pam_macros.h')
 925         conf.CHECK_FUNCS_IN('pam_vsyslog', 'pam')
 926         conf.CHECK_CODE('''
 927 #if defined(HAVE_SECURITY_PAM_APPL_H)
 928 #include <security/pam_appl.h>
 929 #elif defined(HAVE_PAM_PAM_APPL_H)
 930 #include <pam/pam_appl.h>
 931 #endif
 932 pam_set_item(0, PAM_RHOST, 0);
 933 ''',
 934             'HAVE_PAM_RHOST',
 935             lib='pam',
 936             msg="Checking whether PAM_RHOST is available");
 937         conf.CHECK_CODE('''
 938 #if defined(HAVE_SECURITY_PAM_APPL_H)
 939 #include <security/pam_appl.h>
 940 #elif defined(HAVE_PAM_PAM_APPL_H)
 941 #include <pam/pam_appl.h>
 942 #endif
 943 pam_set_item(0, PAM_TTY, 0);
 944 ''',
 945             'HAVE_PAM_TTY',
 946             lib='pam',
 947             msg="Checking whether PAM_TTY is available");
 948         conf.CHECK_CODE('''
 949 #if (!defined(LINUX))
 950
 951 #define PAM_EXTERN extern
 952 #if defined(HAVE_SECURITY_PAM_APPL_H)
 953 #include <security/pam_appl.h>
 954 #elif defined(HAVE_PAM_PAM_APPL_H)
 955 #include <pam/pam_appl.h>
 956 #endif
 957
 958 #endif
 959
 960 #if defined(HAVE_SECURITY_PAM_MODULES_H)
 961 #include <security/pam_modules.h>
 962 #elif defined(HAVE_PAM_PAM_MODULES_H)
 963 #include <pam/pam_modules.h>
 964 #endif
 965
 966 #if defined(HAVE_SECURITY__PAM_MACROS_H)
 967 #include <security/_pam_macros.h>
 968 #elif defined(HAVE_PAM__PAM_MACROS_H)
 969 #include <pam/_pam_macros.h>
 970 #endif
 971
 972 #ifdef HAVE_SECURITY_PAM_EXT_H
 973 #include <security/pam_ext.h>
 974 #endif
 975
 976 int i; i = PAM_RADIO_TYPE;
 977 ''',
 978             'HAVE_PAM_RADIO_TYPE',
 979             lib='pam',
 980             msg="Checking whether PAM_RADIO_TYPE is available");
 981         if use_pam:
 982             conf.DEFINE('WITH_PAM', 1)
 983             conf.DEFINE('WITH_PAM_MODULES', 1)
 984
 985     seteuid = False
 986     if not seteuid:
 987         seteuid = conf.CHECK_CODE('''
 988                                 #define AUTOCONF_TEST 1
 989                                 #define USE_SETREUID 1
 990                                 #include "./lib/util_sec.c"
 991                                 ''',
 992                                 'USE_SETREUID',
 993                                 addmain=False,
 994                                 execute=True,
 995                                 msg="Checking whether setreuid is available")
 996     if not seteuid:
 997         seteuid = conf.CHECK_CODE('''
 998                                 #define AUTOCONF_TEST 1
 999                                 #define USE_SETRESUID 1
1000                                 #include "./lib/util_sec.c"
1001                                 ''',
1002                                 'USE_SETRESUID',
1003                                 addmain=False,
1004                                 execute=True,
1005                                 msg="Checking whether setresuid is available")
1006     if not seteuid:
1007         seteuid = conf.CHECK_CODE('''
1008                                 #define AUTOCONF_TEST 1
1009                                 #define USE_SETEUID 1
1010                                 #include "./lib/util_sec.c"
1011                                 ''',
1012                                 'USE_SETEUID',
1013                                 addmain=False,
1014                                 execute=True,
1015                                 msg="Checking whether seteuid is available")
1016     if not seteuid:
1017         seteuid = conf.CHECK_CODE('''
1018                                 #define AUTOCONF_TEST 1
1019                                 #define USE_SETUIDX 1
1020                                 #include "./lib/util_sec.c"
1021                                 ''',
1022                                 'USE_SETUIDX',
1023                                 addmain=False,
1024                                 execute=True,
1025                                 mandatory=True,
1026                                 msg="Checking whether setuidx is available")
1027     if Options.options.with_dnsupdate:
1028         conf.CHECK_HEADERS('uuid/uuid.h')
1029         conf.CHECK_FUNCS_IN('uuid_generate', 'uuid')
1030         if not conf.CONFIG_SET('HAVE_UUID_UUID_H') and not conf.CONFIG_SET('HAVE_UUID_GENERATE'):
1031             Logs.warn("--with-dnsupdate=yes but uuid support not sufficient")
1032         elif not conf.CONFIG_SET('HAVE_GSSAPI'):
1033             Logs.warn("--with-dnsupdate=yes but gssapi support not sufficient")
1034         else:
1035             conf.DEFINE('WITH_DNS_UPDATES', 1)
1036     else:
1037         conf.SET_TARGET_TYPE('uuid', 'EMPTY')
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         conf.CHECK_CODE('''
1050 #include <bits/sockaddr.h>
1051 #include <linux/netlink.h>
1052 #include <linux/rtnetlink.h>
1053 ''',
1054                 'HAVE_LINUX_RTNETLINK_H',
1055                 msg='Checking whether Linux rtnetlink is available')
1056     if conf.CHECK_TYPE('struct dirent64', headers='sys/types.h dirent.h') and conf.CONFIG_SET('HAVE_READDIR64'):
1057         conf.DEFINE('HAVE_STRUCT_DIRENT64', '1')
1058     else:
1059         conf.undefine('HAVE_STRUCT_DIRENT64')
1060
1061     conf.CHECK_CODE('''
1062 #include "../tests/fcntl_lock.c"
1063 ''',
1064                 'HAVE_FCNTL_LOCK',
1065                 addmain=False,
1066                 execute=True,
1067                 msg='Checking whether fcntl locking is available')
1068
1069     conf.CHECK_CODE('''
1070 #include "../tests/fcntl_lock64.c"
1071 ''',
1072                 'HAVE_BROKEN_FCNTL64_LOCKS',
1073                 addmain=False,
1074                 execute=True,
1075                 msg='Checking whether fcntl64 locks are broken')
1076
1077     if not conf.CONFIG_SET('HAVE_BROKEN_FCNTL64_LOCKS'):
1078         conf.CHECK_CODE('''
1079 #if defined(HAVE_UNISTD_H)
1080 #include <unistd.h>
1081 #endif
1082 #include <stdio.h>
1083 #include <stdlib.h>
1084
1085 #ifdef HAVE_FCNTL_H
1086 #include <fcntl.h>
1087 #endif
1088
1089 #ifdef HAVE_SYS_FCNTL_H
1090 #include <sys/fcntl.h>
1091 #endif
1092 main() { struct flock64 fl64;
1093 #if defined(F_SETLKW64) && defined(F_SETLK64) && defined(F_GETLK64)
1094 exit(0);
1095 #else
1096 exit(1);
1097 #endif
1098 }
1099 ''',
1100                 'HAVE_STRUCT_FLOCK64',
1101                 addmain=False,
1102                 execute=True,
1103                 msg="Checking whether the flock64 struct is available")
1104
1105     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtim.tv_nsec',
1106                                 define='HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') # Linux, Solaris
1107     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimensec',
1108                                 define='HAVE_STRUCT_STAT_ST_MTIMENSEC') # BSD, if defined _POSIX_SOURCE
1109     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtimespec.tv_nsec',
1110                                 define='HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') # BSD, if not defined _POSIX_SOURCE
1111     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_mtime_n',
1112                                 define='HAVE_STRUCT_STAT_ST_MTIME_N') # AIX
1113     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_umtime',
1114                                 define='HAVE_STRUCT_STAT_ST_UMTIME') # Tru64
1115     if conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIM_TV_NSEC') or \
1116        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMENSEC') or \
1117        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIMESPEC_TV_NSEC') or \
1118        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_MTIME_N') or \
1119        conf.CONFIG_SET('HAVE_STRUCT_STAT_ST_UMTIME'):
1120         conf.DEFINE('HAVE_STAT_HIRES_TIMESTAMPS', '1')
1121
1122     # recent FreeBSD, NetBSD have creation timestamps called birthtime:
1123     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtime',
1124                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIME')
1125     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimespec.tv_nsec',
1126                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMESPEC_TV_NSEC')
1127     conf.CHECK_STRUCTURE_MEMBER('struct stat', 'st_birthtimensec',
1128                                 define='HAVE_STRUCT_STAT_ST_BIRTHTIMENSEC')
1129
1130     conf.CHECK_CODE('''
1131 #if defined(HAVE_UNISTD_H)
1132 #include <unistd.h>
1133 #endif
1134 #include <fcntl.h>],
1135 ssize_t err = posix_fadvise(0,0,0x80000,POSIX_FADV_WILLNEED);
1136 ''',
1137                 'HAVE_POSIX_FADVISE',
1138                 msg='Checking whether posix_fadvise is available')
1139
1140     for v in ['_SC_NGROUPS_MAX', '_SC_NPROC_ONLN', '_SC_NPROCESSORS_ONLN', '_SC_PAGESIZE' ]:
1141         conf.CHECK_CODE('''
1142                         #include <unistd.h>
1143                         return sysconf(%s) == -1 ? 1 : 0;
1144                         ''' % v,
1145                         'SYSCONF%s' % v,
1146                         msg='Checking whether sysconf(%s) is available' % v)
1147
1148     conf.CHECK_DECLS('__NR_inotify_init', reverse=True, headers='asm/unistd.h')
1149
1150     conf.CHECK_CODE('''
1151 #include <sys/syscall.h>
1152 #include <unistd.h>
1153 syscall(SYS_initgroups, 16, NULL, NULL, 0);
1154                     ''',
1155                     'HAVE_DARWIN_INITGROUPS',
1156                     msg='Checking whether to use the Darwin-specific initgroups system call')
1157
1158     conf.CHECK_CODE('''struct utimbuf tbuf;  tbuf.actime = 0; tbuf.modtime = 1; exit(utime("foo.c",&tbuf));''',
1159                     'HAVE_UTIMBUF',
1160                     headers='sys/types.h utime.h',
1161                     msg='Checking whether struct utimbuf is available')
1162
1163     if conf.CHECK_CODE('''struct sigevent s;''',
1164                     'HAVE_STRUCT_SIGEVENT',
1165                     headers='sys/types.h stdlib.h stddef.h signal.h',
1166                     msg='Checking whether we have the struct sigevent'):
1167         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sival_ptr',
1168                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIVAL_PTR',
1169                                     headers='signal.h');
1170         conf.CHECK_STRUCTURE_MEMBER('struct sigevent', 'sigev_value.sigval_ptr',
1171                                     define='HAVE_STRUCT_SIGEVENT_SIGEV_VALUE_SIGVAL_PTR',
1172                                     headers='signal.h');
1173
1174     if os.path.exists('/proc/sys/kernel/core_pattern'):
1175         conf.DEFINE('HAVE_SYS_KERNEL_PROC_CORE_PATTERN', '1')
1176
1177     if conf.CHECK_CODE('''
1178 #include <time.h>
1179 main() {
1180         struct tm *tm;
1181         if (sizeof(time_t) == 8) {
1182                 time_t max_time = 0x7fffffffffffffffll;
1183                 tm = gmtime(&max_time);
1184                 /* This should fail with 32-bit tm_year. */
1185                 if (tm == NULL) {
1186                         /* Max time_t that works with 32-bit int tm_year in struct tm. */
1187                         max_time = 67768036191676799ll;
1188                         tm = gmtime(&max_time);
1189                         if (tm) {
1190                                 exit(0);
1191                         }
1192                 }
1193         }
1194         exit(1);
1195 }''',
1196         '__TIME_T_MAX',
1197         addmain=False,
1198         execute=True,
1199         msg="Checking for the maximum value of the 'time_t' type"):
1200             conf.DEFINE('TIME_T_MAX', '67768036191676799ll')
1201
1202     conf.CHECK_CODE('''
1203 #if defined(HAVE_UNISTD_H)
1204 #include <unistd.h>
1205 #endif
1206 #include <sys/types.h>
1207 main() { dev_t dev = makedev(1,2); return 0; }
1208 ''',
1209         'HAVE_MAKEDEV',
1210         addmain=False,
1211         msg='Checking whether the macro for makedev is available')
1212
1213     conf.CHECK_CODE('''
1214 #include <stdio.h>
1215 #include <limits.h>
1216 #include <signal.h>
1217
1218 void exit_on_core(int ignored) {
1219         exit(1);
1220 }
1221
1222 main() {
1223         char *newpath;
1224         signal(SIGSEGV, exit_on_core);
1225         newpath = realpath("/tmp", NULL);
1226         exit((newpath != NULL) ? 0 : 1);
1227 }
1228 ''',
1229         'REALPATH_TAKES_NULL',
1230         addmain=False,
1231         execute=True,
1232         msg='Checking whether the realpath function allows a NULL argument')
1233
1234     conf.CHECK_CODE('''#include "../tests/ftruncate.c"''',
1235                     'HAVE_FTRUNCATE_EXTEND',
1236                     msg='Checking for ftruncate extend',
1237                     addmain=False,
1238                     execute=True)
1239     if os.getenv('RUN_FROM_BUILD_FARM'):
1240         Logs.info("enabling buildfarm hacks")
1241         conf.DEFINE('ENABLE_BUILD_FARM_HACKS', '1')
1242
1243     if Options.options.with_sendfile_support:
1244         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):
1245             conf.CHECK_CODE('''
1246                             int tofd, fromfd;
1247                             off64_t offset;
1248                             size_t total;
1249                             ssize_t nwritten = sendfile64(tofd, fromfd, &offset, total);
1250                             ''',
1251                             '_HAVE_SENDFILE64',
1252                             headers='sys/sendfile',
1253                             msg='Checking for linux sendfile64 support')
1254             conf.CHECK_CODE('''
1255                             int tofd, fromfd;
1256                             off_t offset;
1257                             size_t total;
1258                             ssize_t nwritten = sendfile(tofd, fromfd, &offset, total);
1259                             ''',
1260                             '_HAVE_SENDFILE',
1261                             headers='sys/sendfile',
1262                             msg='Checking for linux sendfile support')
1263
1264             # Try and cope with broken Linux sendfile....
1265             conf.CHECK_CODE('''#if defined(_FILE_OFFSET_BITS) && (_FILE_OFFSET_BITS == 64)
1266                             #undef _FILE_OFFSET_BITS
1267                             #endif
1268                             #include <sys/sendfile.h>
1269                             int tofd, fromfd;
1270                             off_t offset;
1271                             size_t total;
1272                             ssize_t nwritten = sendfile(tofd, fromfd, &offset, total);
1273                             ''',
1274                             '_HAVE_BROKEN_LINUX_SENDFILE',
1275                             msg='Checking for broken linux sendfile support')
1276             if conf.CONFIG_SET('_HAVE_SENDFILE64'):
1277                 conf.DEFINE('HAVE_SENDFILE64', '1')
1278                 conf.DEFINE('LINUX_SENDFILE_API', '1')
1279                 conf.DEFINE('WITH_SENDFILE', '1')
1280             elif conf.CONFIG_SET('_HAVE_SENDFILE'):
1281                 conf.DEFINE('HAVE_SENDFILE', '1')
1282                 conf.DEFINE('LINUX_SENDFILE_API', '1')
1283                 conf.DEFINE('WITH_SENDFILE', '1')
1284             elif conf.CONFIG_SET('_HAVE_BROKEN_LINUX_SENDFILE'):
1285                 conf.DEFINE('LINUX_BROKEN_SENDFILE_API', '1')
1286                 conf.DEFINE('WITH_SENDFILE', '1')
1287         elif (host_os.rfind('freebsd') > -1) or (host_os.rfind('dragonfly') > -1):
1288             conf.CHECK_CODE('''
1289                             #include <sys/types.h>
1290                             #include <unistd.h>
1291                             #include <sys/socket.h>
1292                             #include <sys/uio.h>
1293                             int fromfd, tofd, ret, total=0;
1294                             off_t offset, nwritten;
1295                             struct sf_hdtr hdr;
1296                             struct iovec hdtrl;
1297                             hdr.headers = &hdtrl;
1298                             hdr.hdr_cnt = 1;
1299                             hdr.trailers = NULL;
1300                             hdr.trl_cnt = 0;
1301                             hdtrl.iov_base = NULL;
1302                             hdtrl.iov_len = 0;
1303                             ret = sendfile(fromfd, tofd, offset, total, &hdr, &nwritten, 0)
1304                             ''',
1305                             '_HAVE_SENDFILE',
1306                             msg='Checking for freebsd sendfile support')
1307             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1308                 conf.DEFINE('HAVE_SENDFILE', '1')
1309                 conf.DEFINE('FREEBSD_SENDFILE_API', '1')
1310                 conf.DEFINE('WITH_SENDFILE', '1')
1311         elif (host_os.rfind('hpux') > -1):
1312             conf.CHECK_CODE('''
1313                             #include <sys/socket.h>
1314                             #include <sys/uio.h>
1315                             int fromfd, tofd;
1316                             size_t total=0;
1317                             struct iovec hdtrl[2];
1318                             ssize_t nwritten;
1319                             off64_t offset;
1320                             hdtrl[0].iov_base = 0;
1321                             hdtrl[0].iov_len = 0;
1322                             nwritten = sendfile64(tofd, fromfd, offset, total, &hdtrl[0], 0);
1323                             ''',
1324                             '_HAVE_SENDFILE64',
1325                             msg='Checking for hpux sendfile64 support')
1326             conf.CHECK_CODE('''
1327                             #include <sys/socket.h>
1328                             #include <sys/uio.h>
1329                             int fromfd, tofd;
1330                             size_t total=0;
1331                             struct iovec hdtrl[2];
1332                             ssize_t nwritten;
1333                             off_t offset;
1334                             hdtrl[0].iov_base = 0;
1335                             hdtrl[0].iov_len = 0;
1336                             nwritten = sendfile(tofd, fromfd, offset, total, &hdtrl[0], 0);
1337                             ''',
1338                             '_HAVE_SENDFILE',
1339                             msg='Checking for hpux sendfile support')
1340             if conf.CONFIG_SET('_HAVE_SENDFILE64'):
1341                 conf.DEFINE('HAVE_SENDFILE64', '1')
1342                 conf.DEFINE('HPUX_SENDFILE_API', '1')
1343                 conf.DEFINE('WITH_SENDFILE', '1')
1344             elif conf.CONFIG_SET('_HAVE_SENDFILE'):
1345                 conf.DEFINE('HAVE_SENDFILE', '1')
1346                 conf.DEFINE('HPUX_SENDFILE_API', '1')
1347                 conf.DEFINE('WITH_SENDFILE', '1')
1348         elif (host_os.rfind('solaris') > -1):
1349             conf.CHECK_FUNCS_IN('sendfile', 'sendfilev')
1350             conf.CHECK_CODE('''
1351                             #include <sys/sendfile.h>
1352                             int sfvcnt;
1353                             size_t xferred;
1354                             struct sendfilevec vec[2];
1355                             ssize_t nwritten;
1356                             int tofd;
1357                             sfvcnt = 2;
1358                             vec[0].sfv_fd = SFV_FD_SELF;
1359                             vec[0].sfv_flag = 0;
1360                             vec[0].sfv_off = 0;
1361                             vec[0].sfv_len = 0;
1362                             vec[1].sfv_fd = 0;
1363                             vec[1].sfv_flag = 0;
1364                             vec[1].sfv_off = 0;
1365                             vec[1].sfv_len = 0;
1366                             nwritten = sendfilev64(tofd, vec, sfvcnt, &xferred);
1367                             ''',
1368                             '_HAVE_SENDFILEV64',
1369                             msg='Checking for solaris sendfilev64 support')
1370             conf.CHECK_CODE('''
1371                             #include <sys/sendfile.h>,
1372                             int sfvcnt;
1373                             size_t xferred;
1374                             struct sendfilevec vec[2];
1375                             ssize_t nwritten;
1376                             int tofd;
1377                             sfvcnt = 2;
1378                             vec[0].sfv_fd = SFV_FD_SELF;
1379                             vec[0].sfv_flag = 0;
1380                             vec[0].sfv_off = 0;
1381                             vec[0].sfv_len = 0;
1382                             vec[1].sfv_fd = 0;
1383                             vec[1].sfv_flag = 0;
1384                             vec[1].sfv_off = 0;
1385                             vec[1].sfv_len = 0;
1386                             nwritten = sendfilev(tofd, vec, sfvcnt, &xferred);
1387                             ''',
1388                             '_HAVE_SENDFILEV',
1389                             msg='Checking for solaris sendfilev support')
1390             if conf.CONFIG_SET('_HAVE_SENDFILEV64'):
1391                 conf.DEFINE('HAVE_SENDFILEV64', '1')
1392                 conf.DEFINE('SOLARIS_SENDFILE_API', '1')
1393                 conf.DEFINE('WITH_SENDFILE', '1')
1394             elif conf.CONFIG_SET('_HAVE_SENDFILEV'):
1395                 conf.DEFINE('HAVE_SENDFILEV', '1')
1396                 conf.DEFINE('SOLARIS_SENDFILE_API', '1')
1397                 conf.DEFINE('WITH_SENDFILE', '1')
1398         elif (host_os.rfind('aix') > -1):
1399             conf.CHECK_CODE('''
1400                             #include <sys/socket.h>
1401                             int fromfd, tofd;
1402                             size_t total=0;
1403                             struct sf_parms hdtrl;
1404                             ssize_t nwritten;
1405                             off64_t offset;
1406                             hdtrl.header_data = 0;
1407                             hdtrl.header_length = 0;
1408                             hdtrl.file_descriptor = fromfd;
1409                             hdtrl.file_offset = 0;
1410                             hdtrl.file_bytes = 0;
1411                             hdtrl.trailer_data = 0;
1412                             hdtrl.trailer_length = 0;
1413                             nwritten = send_file(&tofd, &hdtrl, 0);
1414                             ''',
1415                             '_HAVE_SENDFILE',
1416                             msg='Checking for AIX send_file support')
1417             if conf.CONFIG_SET('_HAVE_SENDFILE'):
1418                 conf.DEFINE('HAVE_SENDFILE', '1')
1419                 conf.DEFINE('AIX_SENDFILE_API', '1')
1420                 conf.DEFINE('WITH_SENDFILE', '1')
1421
1422     conf.CHECK_CODE('''enum TDB_ERROR err = TDB_ERR_NESTING''',
1423                     'HAVE_TDB_ERR_NESTING',
1424                     headers='tdb.h',
1425                     msg='Checking whether we have TDB_ERR_NESTING')
1426
1427     # UnixWare 7.x has its getspnam in -lgen
1428     conf.CHECK_FUNCS_IN('getspnam', 'gen')
1429     conf.CHECK_FUNCS_IN('getspnam', 'security')
1430     conf.CHECK_FUNCS_IN('getspnam', 'sec')
1431
1432     if Options.options.with_quotas:
1433         # For quotas on Veritas VxFS filesystems
1434         conf.CHECK_HEADERS('sys/fs/vx_quota.h')
1435         # For quotas on Linux XFS filesystems
1436         conf.CHECK_HEADERS('linux/dqblk_xfs.h')
1437         # For sys/quota.h and linux/quota.h
1438         conf.CHECK_HEADERS('sys/quota.h')
1439
1440
1441     #
1442     # checking for clustering extensions (CTDB)
1443     #
1444     if not Options.options.with_cluster_support:
1445         have_cluster_support = False
1446
1447     else:
1448
1449         if Options.options.ctdb_dir:
1450             conf.ADD_EXTRA_INCLUDES(Options.options.ctdb_dir + '/include')
1451
1452         srcdir = os.path.realpath(conf.srcdir)
1453         if 'EXTRA_INCLUDES' in conf.env:
1454             includes = ' '.join(conf.env['EXTRA_INCLUDES']).replace('#', srcdir + '/')
1455         else:
1456             includes = ''
1457
1458         have_cluster_support = True
1459         ctdb_broken = ""
1460
1461         conf.CHECK_CODE('''
1462             #define NO_CONFIG_H
1463             #include "replace.h"
1464             #include "system/wait.h"
1465             #include "system/network.h"
1466             #define private #error __USED_RESERVED_WORD_private__
1467             #include <talloc.h>
1468             #include <tdb.h>
1469             #include <ctdb.h>
1470
1471             int main(void)
1472             {
1473                 return 0;
1474             }
1475             ''',
1476             'HAVE_CTDB_H',
1477             addmain=False,
1478             includes=includes,
1479             msg='Checking for header ctdb.h')
1480
1481         if not conf.CONFIG_SET('HAVE_CTDB_H'):
1482             have_cluster_support = False
1483             ctdb_broken = "ctdb.h is required for cluster support"
1484
1485         if have_cluster_support:
1486             conf.CHECK_CODE('''
1487                 #define NO_CONFIG_H
1488                 #include "replace.h"
1489                 #include "system/wait.h"
1490                 #include "system/network.h"
1491                 #define private #error __USED_RESERVED_WORD_private__
1492                 #include <talloc.h>
1493                 #include <tdb.h>
1494                 #include <ctdb.h>
1495                 #include <ctdb_private.h>
1496
1497                 int main(void)
1498                 {
1499                     return 0;
1500                 }
1501                 ''',
1502                 'HAVE_CTDB_PRIVATE_H',
1503                 addmain=False,
1504                 includes=includes,
1505                 msg='Checking for header ctdb_private.h')
1506
1507             if not conf.CONFIG_SET('HAVE_CTDB_PRIVATE_H'):
1508                 have_cluster_support = False
1509                 ctdb_broken = "ctdb_private.h is required for cluster support"
1510
1511         if have_cluster_support:
1512             conf.CHECK_CODE('''
1513                 #define NO_CONFIG_H
1514                 #include "replace.h"
1515                 #include "system/wait.h"
1516                 #include "system/network.h"
1517                 #include <talloc.h>
1518                 #include <tdb.h>
1519                 #include <ctdb.h>
1520                 #include <ctdb_private.h>
1521
1522                 int main(void)
1523                 {
1524                    int i = (int)CTDB_CONTROL_TRANS3_COMMIT;
1525                    return 0;
1526                 }
1527                 ''',
1528                 'HAVE_CTDB_CONTROL_TRANS3_COMMIT_DECL',
1529                 addmain=False,
1530                 includes=includes,
1531                 msg='Checking for transaction support (TRANS3_COMMIT control)')
1532
1533             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_TRANS3_COMMIT_DECL'):
1534                 have_cluster_support = False
1535                 ctdb_broken = "ctdb transaction support missing or too old"
1536
1537         if have_cluster_support:
1538             conf.CHECK_CODE('''
1539                 #define NO_CONFIG_H
1540                 #include "replace.h"
1541                 #include "system/wait.h"
1542                 #include "system/network.h"
1543                 #include <talloc.h>
1544                 #include <tdb.h>
1545                 #include <ctdb.h>
1546                 #include <ctdb_private.h>
1547
1548                 int main(void)
1549                 {
1550                     int i = (int)CTDB_CONTROL_SCHEDULE_FOR_DELETION;
1551                     return 0;
1552                 }
1553                 ''',
1554                 'HAVE_CTDB_CONTROL_SCHEDULE_FOR_DELETION_DECL',
1555                 addmain=False,
1556                 includes=includes,
1557                 msg='Checking for SCHEDULE_FOR_DELETION control')
1558
1559             if not conf.CONFIG_SET('HAVE_CTDB_CONTROL_SCHEDULE_FOR_DELETION_DECL'):
1560                 if not Options.options.enable_old_ctdb:
1561                     have_cluster_support = False
1562                     ctdb_broken = "SCHEDULE_FOR_DELETION control missing"
1563                 else:
1564                     Logs.warn("ignoring missing SCHEDULE_FOR_DELETION control (--enable-old-ctdb)")
1565
1566         if have_cluster_support:
1567             conf.CHECK_CODE('''
1568                 #define NO_CONFIG_H
1569                 #include "replace.h"
1570                 #include "system/wait.h"
1571                 #include "system/network.h"
1572                 #include <talloc.h>
1573                 #include <tdb.h>
1574                 #include <ctdb.h>
1575                 #include <ctdb_private.h>
1576
1577                 int main(void)
1578                 {
1579                     struct ctdb_control_tcp _x;
1580                     return 0;
1581                 }
1582                 ''',
1583                 'HAVE_STRUCT_CTDB_CONTROL_TCP',
1584                 addmain=False,
1585                 includes=includes,
1586                 msg='Checking for ctdb ipv4 support')
1587
1588             if not conf.CONFIG_SET('HAVE_STRUCT_CTDB_CONTROL_TCP'):
1589                 have_cluster_support = False
1590                 ctdb_broken = "missing struct ctdb_control_tcp"
1591
1592         if have_cluster_support:
1593             conf.CHECK_CODE('''
1594                 #define NO_CONFIG_H
1595                 #include "replace.h"
1596                 #include "system/wait.h"
1597                 #include "system/network.h"
1598                 #include <talloc.h>
1599                 #include <tdb.h>
1600                 #include <ctdb.h>
1601                 #include <ctdb_private.h>
1602
1603                 int main(void)
1604                 {
1605                     struct ctdb_control_tcp_addr _x;
1606                     return 0;
1607                 }
1608                 ''',
1609                 'HAVE_STRUCT_CTDB_CONTROL_TCP_ADDR',
1610                 addmain=False,
1611                 includes=includes,
1612                 msg='Checking for ctdb ipv6 support')
1613
1614     if have_cluster_support:
1615         Logs.info("building with cluster support")
1616         conf.DEFINE('CLUSTER_SUPPORT', 1);
1617     else:
1618         if not Options.options.with_cluster_support:
1619             Logs.info("building without cluster support")
1620         else:
1621             Logs.warn("building without cluster support: " + ctdb_broken)
1622         conf.undefine('CLUSTER_SUPPORT')
1623
1624
1625
1626     conf.CHECK_CODE('__attribute__((destructor)) static void cleanup(void) { }',
1627                     'HAVE_FUNCTION_ATTRIBUTE_DESTRUCTOR',
1628                     addmain=False,
1629                     link=False,
1630                     msg='Checking whether we can compile with __attribute__((destructor))')
1631
1632     conf.CHECK_CODE('void seekdir(DIR *d, long loc) { return; }',
1633                     'SEEKDIR_RETURNS_VOID',
1634                     headers='sys/types.h dirent.h',
1635                     msg='Checking whether seekdir returns void')
1636
1637     if Options.options.with_profiling_data:
1638         conf.DEFINE('WITH_PROFILE', 1);
1639
1640     PTHREAD_CFLAGS='error'
1641     PTHREAD_LDFLAGS='error'
1642
1643     if PTHREAD_LDFLAGS == 'error':
1644         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'pthread'):
1645             PTHREAD_CFLAGS='-D_REENTRANT -D_POSIX_PTHREAD_SEMANTICS'
1646             PTHREAD_LDFLAGS='-lpthread'
1647     if PTHREAD_LDFLAGS == 'error':
1648         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'pthreads'):
1649             PTHREAD_CFLAGS='-D_THREAD_SAFE'
1650             PTHREAD_LDFLAGS='-lpthreads'
1651     if PTHREAD_LDFLAGS == 'error':
1652         if conf.CHECK_FUNCS_IN('pthread_attr_init', 'c_r'):
1653             PTHREAD_CFLAGS='-D_THREAD_SAFE -pthread'
1654             PTHREAD_LDFLAGS='-pthread'
1655     if PTHREAD_LDFLAGS == 'error':
1656         if conf.CHECK_FUNC('pthread_attr_init'):
1657             PTHREAD_CFLAGS='-D_REENTRANT'
1658             PTHREAD_LDFLAGS='-lpthread'
1659     # especially for HP-UX, where the CHECK_FUNC macro fails to test for
1660     # pthread_attr_init. On pthread_mutex_lock it works there...
1661     if PTHREAD_LDFLAGS == 'error':
1662         if conf.CHECK_FUNCS_IN('pthread_mutex_lock', 'pthread'):
1663             PTHREAD_CFLAGS='-D_REENTRANT'
1664             PTHREAD_LDFLAGS='-lpthread'
1665
1666     if PTHREAD_CFLAGS != 'error' and PTHREAD_LDFLAGS != 'error':
1667         conf.ADD_CFLAGS(PTHREAD_CFLAGS)
1668         conf.ADD_LDFLAGS(PTHREAD_LDFLAGS)
1669         conf.CHECK_HEADERS('pthread.h')
1670         conf.DEFINE('HAVE_PTHREAD', '1')
1671
1672     if Options.options.with_pthreadpool:
1673         if conf.CONFIG_SET('HAVE_PTHREAD'):
1674             conf.DEFINE('WITH_PTHREADPOOL', '1')
1675         else:
1676             Logs.warn("pthreadpool support cannot be enabled when pthread support was not found")
1677             conf.undefine('WITH_PTHREADPOOL')
1678
1679     default_static_modules=TO_LIST('''pdb_smbpasswd pdb_tdbsam pdb_wbc_sam
1680                                       auth_sam auth_unix auth_winbind auth_wbc auth_server
1681                                       auth_domain auth_builtin vfs_default
1682                                       nss_info_template idmap_tdb idmap_passdb
1683                                       idmap_nss''')
1684
1685     default_shared_modules=TO_LIST('''vfs_recycle vfs_audit vfs_extd_audit vfs_full_audit vfs_netatalk
1686                                       vfs_fake_perms vfs_default_quota vfs_readonly vfs_cap
1687                                       vfs_expand_msdfs vfs_shadow_copy vfs_shadow_copy2 charset_CP850
1688                                       charset_CP437 auth_script vfs_readahead vfs_xattr_tdb
1689                                       vfs_streams_xattr vfs_streams_depot vfs_acl_xattr vfs_acl_tdb
1690                                       vfs_smb_traffic_analyzer vfs_preopen vfs_catia vfs_scannedonly
1691                                       vfs_crossrename vfs_linux_xfs_sgid
1692                                       vfs_time_audit idmap_autorid''')
1693
1694     if Options.options.developer:
1695         default_static_modules.extend(TO_LIST('pdb_ads auth_netlogond'))
1696         default_shared_modules.extend(TO_LIST('charset_weird perfcount_test'))
1697
1698     if Options.options.with_acl_support and conf.CONFIG_SET('HAVE_POSIX_ACLS'):
1699         default_static_modules.extend(TO_LIST('vfs_posixacl'))
1700
1701     if conf.CONFIG_SET('HAVE_FREEBSD_SUNACL_H'):
1702         default_shared_modules.extend(TO_LIST('vfs_zfsacl'))
1703
1704     if conf.CONFIG_SET('HAVE_DIRFD_DECL'):
1705         default_shared_modules.extend(TO_LIST('vfs_syncops vfs_dirsort'))
1706
1707     if conf.CONFIG_SET('HAVE_STATFS_F_FSID'):
1708         default_shared_modules.extend(TO_LIST('vfs_fileid'))
1709
1710     if conf.CONFIG_SET('HAVE_AIO') and (conf.CONFIG_SET('HAVE_MSGHDR_MSG_CONTROL') or conf.CONFIG_SET('HAVE_MSGHDR_MSG_ACCTRIGHTS')):
1711         default_shared_modules.extend(TO_LIST('vfs_aio_fork'))
1712
1713     if conf.CONFIG_SET('HAVE_LDAP'):
1714         default_static_modules.extend(TO_LIST('pdb_ldap idmap_ldap'))
1715
1716     if conf.CONFIG_SET('DARWINOS'):
1717         default_shared_modules.extend(TO_LIST('charset_macosxfs'))
1718
1719     explicit_shared_modules = TO_LIST(Options.options.shared_modules, delimiter=',')
1720     explicit_static_modules = TO_LIST(Options.options.static_modules, delimiter=',')
1721
1722     final_static_modules = default_static_modules
1723     final_shared_modules = default_shared_modules
1724
1725     for m in explicit_static_modules:
1726         if m in final_shared_modules:
1727             final_shared_modules.remove(m)
1728         final_static_modules.append(m)
1729     for m in explicit_shared_modules:
1730         if m in final_static_modules:
1731             final_static_modules.remove(m)
1732         final_shared_modules.append(m)
1733
1734     conf.env['static_modules'] = final_static_modules
1735     conf.env['shared_modules'] = final_shared_modules
1736
1737     conf.DEFINE('STRING_STATIC_MODULES', ' '.join(final_static_modules), quote=True)
1738
1739     static_list = {}
1740     shared_list = {}
1741
1742     prefixes = ['vfs', 'pdb', 'auth', 'nss_info', 'charset', 'idmap', 'gpext', 'perfcount']
1743     conf.env['MODULE_PREFIXES'] = prefixes
1744     for p in prefixes:
1745         for m in final_static_modules:
1746             if m.find(p) == 0:
1747                 if not p in static_list:
1748                     static_list[p] = []
1749                 static_list[p].append(m)
1750         for m in final_shared_modules:
1751             if m.find(p) == 0:
1752                 if not p in shared_list:
1753                     shared_list[p] = []
1754                 shared_list[p].append(m)
1755
1756     for p in prefixes:
1757         static_env = "%s_STATIC" % p.upper()
1758         shared_env = "%s_SHARED" % p.upper()
1759         conf.env[static_env] = []
1760         conf.env[shared_env] = []
1761         if p in static_list:
1762             decl_list=""
1763             for entry in static_list[p]:
1764                 decl_list += "extern NTSTATUS %s_init(void); " % entry
1765                 conf.env[static_env].append('%s' % entry)
1766             decl_list = decl_list.rstrip()
1767             conf.DEFINE('static_decl_%s' % p, decl_list)
1768             conf.DEFINE('static_init_%s' % p, '{ %s_init(); }' % '_init();  '.join(static_list[p]))
1769         else:
1770             conf.DEFINE('static_decl_%s' % p, '')
1771             conf.DEFINE('static_init_%s' % p, '{}')
1772         if p in shared_list:
1773             for entry in shared_list[p]:
1774                 conf.DEFINE('%s_init' % entry, 'init_samba_module')
1775                 conf.env[shared_env].append('%s' % entry)
1776
1777     conf.SAMBA_CONFIG_H('include/config.h')
1778
1779 def ctags(ctx):
1780     "build 'tags' file using ctags"
1781     import Utils
1782     source_root = os.path.dirname(Utils.g_module.root_path)
1783     cmd = 'ctags $(find %s/.. -name "*.[ch]" | grep -v "*_proto\.h")' % source_root
1784     print("Running: %s" % cmd)
1785     os.system(cmd)
1786
1787 if not os.getenv('TOPLEVEL_BUILD'):
1788     def wildcard_cmd(cmd):
1789         '''called on a unknown command'''
1790         from samba_wildcard import run_named_build_task
1791         run_named_build_task(cmd)
1792     def main():
1793         from samba_wildcard import wildcard_main
1794         wildcard_main(wildcard_cmd)
1795     Scripting.main = main