external/bsd/bind/include/config.h

   1 /* config.h.  Generated from config.h.in by configure.  */
   2 /* config.h.in.  Generated from configure.in by autoheader.  */
   3 /*
   4  * Copyright (C) 2004, 2005, 2007, 2008, 2012, 2014  Internet Systems Consortium, Inc. ("ISC")
   5  * Copyright (C) 1999-2003  Internet Software Consortium.
   6  *
   7  * Permission to use, copy, modify, and/or distribute this software for any
   8  * purpose with or without fee is hereby granted, provided that the above
   9  * copyright notice and this permission notice appear in all copies.
  10  *
  11  * THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
  12  * REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
  13  * AND FITNESS.  IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
  14  * INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
  15  * LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
  16  * OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
  17  * PERFORMANCE OF THIS SOFTWARE.
  18  */
  19
  20 /* Id: acconfig.h,v 1.53 2008/12/01 23:47:44 tbox Exp  */
  21
  22 /*! \file */
  23
  24 /***
  25  *** This file is not to be included by any public header files, because
  26  *** it does not get installed.
  27  ***/
  28
  29 /** define on DEC OSF to enable 4.4BSD style sa_len support */
  30 /* #undef _SOCKADDR_LEN */
  31
  32 /** define if your system needs pthread_init() before using pthreads */
  33 /* #undef NEED_PTHREAD_INIT */
  34
  35 /*
  36  * Apparently, the combination of "no threads" but HAVE_SIGWAIT
  37  * has not been well tested.  Applications end up killing themselves
  38  * instead of exiting gracefully.
  39  */
  40 #ifdef ISC_PLATFORM_USETHREADS
  41 /** define if your system has sigwait() */
  42 #define HAVE_SIGWAIT 1
  43 #endif /* ISC_PLATFORM_USETHREADS */
  44
  45 /** define if sigwait() is the UnixWare flavor */
  46 /* #undef HAVE_UNIXWARE_SIGWAIT */
  47
  48 /** define on Solaris to get sigwait() to work using pthreads semantics */
  49 /* #undef _POSIX_PTHREAD_SEMANTICS */
  50
  51 /** define if LinuxThreads is in use */
  52 /* #undef HAVE_LINUXTHREADS */
  53
  54 /** define if sysconf() is available */
  55 #define HAVE_SYSCONF 1
  56
  57 /** define if sysctlbyname() is available */
  58 #define HAVE_SYSCTLBYNAME 1
  59
  60 /** define if catgets() is available */
  61 #define HAVE_CATGETS 1
  62
  63 /** define if getifaddrs() exists */
  64 #define HAVE_GETIFADDRS 1
  65
  66 /** define if you have the NET_RT_IFLIST sysctl variable and sys/sysctl.h */
  67 #define HAVE_IFLIST_SYSCTL 1
  68
  69 /** define if tzset() is available */
  70 #define HAVE_TZSET 1
  71
  72 /** define if struct addrinfo exists */
  73 #define HAVE_ADDRINFO 1
  74
  75 /** define if getaddrinfo() exists */
  76 #define HAVE_GETADDRINFO 1
  77
  78 /** define if gai_strerror() exists */
  79 #define HAVE_GAISTRERROR 1
  80
  81 /** define if arc4random() exists */
  82 #define HAVE_ARC4RANDOM 1
  83
  84 /** define if arc4random_addrandom() exists */
  85 #define HAVE_ARC4RANDOM_ADDRANDOM 1
  86
  87 /**
  88  * define if pthread_setconcurrency() should be called to tell the
  89  * OS how many threads we might want to run.
  90  */
  91 /* #undef CALL_PTHREAD_SETCONCURRENCY */
  92
  93 #ifndef __NetBSD__
  94 /* defined by the build process */
  95 /** define if IPv6 is not disabled */
  96 #define WANT_IPV6 1
  97 #endif
  98
  99 /** define if flockfile() is available */
 100 #define HAVE_FLOCKFILE 1
 101
 102 /** define if getc_unlocked() is available */
 103 #define HAVE_GETCUNLOCKED 1
 104
 105 /** Shut up warnings about sputaux in stdio.h on BSD/OS pre-4.1 */
 106 /* #undef SHUTUP_SPUTAUX */
 107 #ifdef SHUTUP_SPUTAUX
 108 struct __sFILE;
 109 extern __inline int __sputaux(int _c, struct __sFILE *_p);
 110 #endif
 111
 112 /** Shut up warnings about missing sigwait prototype on BSD/OS 4.0* */
 113 /* #undef SHUTUP_SIGWAIT */
 114 #ifdef SHUTUP_SIGWAIT
 115 int sigwait(const unsigned int *set, int *sig);
 116 #endif
 117
 118 /** Shut up warnings from gcc -Wcast-qual on BSD/OS 4.1. */
 119 /* #undef SHUTUP_STDARG_CAST */
 120 #if defined(SHUTUP_STDARG_CAST) && defined(__GNUC__)
 121 #include <stdarg.h>             /** Grr.  Must be included *every time*. */
 122 /**
 123  * The silly continuation line is to keep configure from
 124  * commenting out the #undef.
 125  */
 126
 127 #undef \
 128         va_start
 129 #define va_start(ap, last) \
 130         do { \
 131                 union { const void *konst; long *var; } _u; \
 132                 _u.konst = &(last); \
 133                 ap = (va_list)(_u.var + __va_words(__typeof(last))); \
 134         } while (/*CONSTCOND*/0)
 135 #endif /** SHUTUP_STDARG_CAST && __GNUC__ */
 136
 137 /** define if the system has a random number generating device */
 138 #define PATH_RANDOMDEV "/dev/random"
 139
 140 /** define if pthread_attr_getstacksize() is available */
 141 #define HAVE_PTHREAD_ATTR_GETSTACKSIZE 1
 142
 143 /** define if pthread_attr_setstacksize() is available */
 144 #define HAVE_PTHREAD_ATTR_SETSTACKSIZE 1
 145
 146 /** define if you have strerror in the C library. */
 147 #define HAVE_STRERROR 1
 148
 149 /* Define if OpenSSL includes DSA support */
 150 #define HAVE_OPENSSL_DSA 1
 151
 152 /* Define if you have getpassphrase in the C library. */
 153 /* #undef HAVE_GETPASSPHRASE */
 154
 155 /* Define to the length type used by the socket API (socklen_t, size_t, int). */
 156 #define ISC_SOCKADDR_LEN_T socklen_t
 157
 158 /* Define if threads need PTHREAD_SCOPE_SYSTEM */
 159 /* #undef NEED_PTHREAD_SCOPE_SYSTEM */
 160
 161 /* Define if building universal (internal helper macro) */
 162 /* #undef AC_APPLE_UNIVERSAL_BUILD */
 163
 164 /* Use AES for Source Identity Token generation */
 165 #define AES_SIT 1
 166
 167 /* Define to enable the "filter-aaaa-on-v4" and "filter-aaaa-on-v6" options.
 168    */
 169 /* #undef ALLOW_FILTER_AAAA */
 170
 171 /* define if ATF unit tests are to be built. */
 172 /* #undef ATF_TEST */
 173
 174 /* Define if recvmsg() does not meet all of the BSD socket API specifications.
 175    */
 176 /* #undef BROKEN_RECVMSG */
 177
 178 /* Define if you cannot bind() before connect() for TCP sockets. */
 179 /* #undef BROKEN_TCP_BIND_BEFORE_CONNECT */
 180
 181 /* Define to enable "rrset-order fixed" syntax. */
 182 #define DNS_RDATASET_FIXED 1
 183
 184 /* Define to enable rpz-nsdname rules. */
 185 #define ENABLE_RPZ_NSDNAME 1
 186
 187 /* Define to enable rpz-nsip rules. */
 188 #define ENABLE_RPZ_NSIP 1
 189
 190 /* Define to enable 'sit' support. */
 191 #define ENABLE_SIT 1
 192
 193 /* Solaris hack to get select_large_fdset. */
 194 /* #undef FD_SETSIZE */
 195
 196 /* Define to nothing if C supports flexible array members, and to 1 if it does
 197    not. That way, with a declaration like `struct s { int n; double
 198    d[FLEXIBLE_ARRAY_MEMBER]; };', the struct hack can be used with pre-C99
 199    compilers. When computing the size of such an object, don't use 'sizeof
 200    (struct s)' as it overestimates the size. Use 'offsetof (struct s, d)'
 201    instead. Don't use 'offsetof (struct s, d[0])', as this doesn't work with
 202    MSVC and with C++ compilers. */
 203 #define FLEXIBLE_ARRAY_MEMBER /**/
 204
 205 /* Define to 1 if you have the `AES_encrypt' function. */
 206 #define HAVE_AES_ENCRYPT 1
 207
 208 /* Define to 1 if you have the `chroot' function. */
 209 #define HAVE_CHROOT 1
 210
 211 /* Define if clock_gettime is available. */
 212 #define HAVE_CLOCK_GETTIME 1
 213
 214 /* Define to 1 if you have the <devpoll.h> header file. */
 215 /* #undef HAVE_DEVPOLL_H */
 216
 217 /* Define to 1 if you have the `dlclose' function. */
 218 #define HAVE_DLCLOSE 1
 219
 220 /* Define to 1 if you have the <dlfcn.h> header file. */
 221 #define HAVE_DLFCN_H 1
 222
 223 /* Define to 1 if you have the `dlopen' function. */
 224 #define HAVE_DLOPEN 1
 225
 226 /* Define to 1 if you have the `dlsym' function. */
 227 #define HAVE_DLSYM 1
 228
 229 /* Define to 1 if you have the `EVP_sha256' function. */
 230 #define HAVE_EVP_SHA256 1
 231
 232 /* Define to 1 if you have the `EVP_sha384' function. */
 233 #define HAVE_EVP_SHA384 1
 234
 235 /* Define to 1 if you have the `EVP_sha512' function. */
 236 #define HAVE_EVP_SHA512 1
 237
 238 /* Define to 1 if you have the <fcntl.h> header file. */
 239 #define HAVE_FCNTL_H 1
 240
 241 /* Define to 1 if you have the `fseeko' function. */
 242 #define HAVE_FSEEKO 1
 243
 244 /* Define to 1 if you have the `ftello' function. */
 245 #define HAVE_FTELLO 1
 246
 247 /* Build with GeoIP support */
 248 /* #undef HAVE_GEOIP */
 249
 250 /* Build with GeoIP City IPv6 support */
 251 /* #undef HAVE_GEOIP_CITY_V6 */
 252
 253 /* Build with GeoIP Country IPv6 support */
 254 /* #undef HAVE_GEOIP_V6 */
 255
 256 /* Define to use gperftools CPU profiler. */
 257 /* #undef HAVE_GPERFTOOLS_PROFILER */
 258
 259 /* Define to 1 if you have the <gssapi/gssapi.h> header file. */
 260 #define HAVE_GSSAPI_GSSAPI_H 1
 261
 262 /* Define to 1 if you have the <gssapi/gssapi_krb5.h> header file. */
 263 #define HAVE_GSSAPI_GSSAPI_KRB5_H 1
 264
 265 /* Define to 1 if you have the <gssapi.h> header file. */
 266 #define HAVE_GSSAPI_H 1
 267
 268 /* Define to 1 if you have the <gssapi_krb5.h> header file. */
 269 /* #undef HAVE_GSSAPI_KRB5_H */
 270
 271 /* Define to 1 if you have the if_nametoindex function. */
 272 #define HAVE_IF_NAMETOINDEX 1
 273
 274 /* Define to 1 if you have the <inttypes.h> header file. */
 275 #define HAVE_INTTYPES_H 1
 276
 277 /* Define if libjson was found */
 278 /* #undef HAVE_JSON */
 279
 280 /* Define to 1 if you have the <kerberosv5/krb5.h> header file. */
 281 /* #undef HAVE_KERBEROSV5_KRB5_H */
 282
 283 /* Define to 1 if you have the <krb5.h> header file. */
 284 #define HAVE_KRB5_H 1
 285
 286 /* Define to 1 if you have the <krb5/krb5.h> header file. */
 287 #define HAVE_KRB5_KRB5_H 1
 288
 289 /* Define to 1 if you have the `c' library (-lc). */
 290 /* #undef HAVE_LIBC */
 291
 292 /* Define to 1 if you have the `cap' library (-lcap). */
 293 /* #undef HAVE_LIBCAP */
 294
 295 /* if system have backtrace function */
 296 /* #undef HAVE_LIBCTRACE */
 297
 298 /* Define to 1 if you have the `c_r' library (-lc_r). */
 299 /* #undef HAVE_LIBC_R */
 300
 301 /* Define to 1 if you have the `nsl' library (-lnsl). */
 302 /* #undef HAVE_LIBNSL */
 303
 304 /* Define to 1 if you have the `pthread' library (-lpthread). */
 305 #define HAVE_LIBPTHREAD 1
 306
 307 /* Define to 1 if you have the `rt' library (-lrt). */
 308 #define HAVE_LIBRT 1
 309
 310 /* Define to 1 if you have the `scf' library (-lscf). */
 311 /* #undef HAVE_LIBSCF */
 312
 313 /* Define to use libseccomp system call filtering. */
 314 /* #undef HAVE_LIBSECCOMP */
 315
 316 /* Define to 1 if you have the `socket' library (-lsocket). */
 317 /* #undef HAVE_LIBSOCKET */
 318
 319 /* Define to 1 if you have the `thr' library (-lthr). */
 320 /* #undef HAVE_LIBTHR */
 321
 322 /* Define if libxml2 was found */
 323 /* #undef HAVE_LIBXML2 */
 324
 325 /* Define to 1 if you have the <linux/capability.h> header file. */
 326 /* #undef HAVE_LINUX_CAPABILITY_H */
 327
 328 /* Define to 1 if you have the <linux/netlink.h> header file. */
 329 /* #undef HAVE_LINUX_NETLINK_H */
 330
 331 /* Define to 1 if you have the <linux/rtnetlink.h> header file. */
 332 /* #undef HAVE_LINUX_RTNETLINK_H */
 333
 334 /* Define to 1 if you have the <linux/types.h> header file. */
 335 /* #undef HAVE_LINUX_TYPES_H */
 336
 337 /* Define to 1 if you have the <locale.h> header file. */
 338 #define HAVE_LOCALE_H 1
 339
 340 /* Define to 1 if you have the <memory.h> header file. */
 341 #define HAVE_MEMORY_H 1
 342
 343 /* Define to 1 if you have the `mmap' function. */
 344 #define HAVE_MMAP 1
 345
 346 /* Define to 1 if you have the `nanosleep' function. */
 347 #define HAVE_NANOSLEEP 1
 348
 349 /* Define to 1 if you have the <net/if6.h> header file. */
 350 /* #undef HAVE_NET_IF6_H */
 351
 352 /* Define to 1 if you have the <net/route.h> header file. */
 353 #define HAVE_NET_ROUTE_H 1
 354
 355 /* Define if your OpenSSL version supports AES */
 356 #define HAVE_OPENSSL_AES 1
 357
 358 /* Define if your OpenSSL version supports ECDSA. */
 359 #define HAVE_OPENSSL_ECDSA 1
 360
 361 /* Define if your OpenSSL version supports EVP AES */
 362 #define HAVE_OPENSSL_EVP_AES 1
 363
 364 /* Define if your OpenSSL version supports GOST. */
 365 #define HAVE_OPENSSL_GOST 1
 366
 367 /* Define if your PKCS11 provider supports ECDSA. */
 368 /* #undef HAVE_PKCS11_ECDSA */
 369
 370 /* Define if your PKCS11 provider supports GOST. */
 371 /* #undef HAVE_PKCS11_GOST */
 372
 373 /* Support for PTHREAD_MUTEX_ADAPTIVE_NP */
 374 /* #undef HAVE_PTHREAD_MUTEX_ADAPTIVE_NP */
 375
 376 /* Define to 1 if you have the `pthread_yield' function. */
 377 /* #undef HAVE_PTHREAD_YIELD */
 378
 379 /* Define to 1 if you have the `pthread_yield_np' function. */
 380 /* #undef HAVE_PTHREAD_YIELD_NP */
 381
 382 /* Define to 1 if you have the `readline' function. */
 383 /* #undef HAVE_READLINE */
 384
 385 /* Define to 1 if you have the <regex.h> header file. */
 386 #define HAVE_REGEX_H 1
 387
 388 /* Define to 1 if you have the <sched.h> header file. */
 389 #define HAVE_SCHED_H 1
 390
 391 /* Define to 1 if you have the `sched_yield' function. */
 392 #define HAVE_SCHED_YIELD 1
 393
 394 /* Define to 1 if you have the `setegid' function. */
 395 #define HAVE_SETEGID 1
 396
 397 /* Define to 1 if you have the `seteuid' function. */
 398 #define HAVE_SETEUID 1
 399
 400 /* Define to 1 if you have the `setlocale' function. */
 401 #define HAVE_SETLOCALE 1
 402
 403 /* Define to 1 if you have the `setresgid' function. */
 404 /* #undef HAVE_SETRESGID */
 405
 406 /* Define to 1 if you have the `setresuid' function. */
 407 /* #undef HAVE_SETRESUID */
 408
 409 /* Define to 1 if you have the <stdint.h> header file. */
 410 #define HAVE_STDINT_H 1
 411
 412 /* Define to 1 if you have the <stdlib.h> header file. */
 413 #define HAVE_STDLIB_H 1
 414
 415 /* Define to 1 if you have the <strings.h> header file. */
 416 #define HAVE_STRINGS_H 1
 417
 418 /* Define to 1 if you have the <string.h> header file. */
 419 #define HAVE_STRING_H 1
 420
 421 /* Define to 1 if you have the <sys/capability.h> header file. */
 422 /* #undef HAVE_SYS_CAPABILITY_H */
 423
 424 /* Define to 1 if you have the <sys/devpoll.h> header file. */
 425 /* #undef HAVE_SYS_DEVPOLL_H */
 426
 427 /* Define to 1 if you have the <sys/dyntune.h> header file. */
 428 /* #undef HAVE_SYS_DYNTUNE_H */
 429
 430 /* Define to 1 if you have the <sys/mman.h> header file. */
 431 #define HAVE_SYS_MMAN_H 1
 432
 433 /* Define to 1 if you have the <sys/param.h> header file. */
 434 #define HAVE_SYS_PARAM_H 1
 435
 436 /* Define to 1 if you have the <sys/prctl.h> header file. */
 437 /* #undef HAVE_SYS_PRCTL_H */
 438
 439 /* Define to 1 if you have the <sys/select.h> header file. */
 440 #define HAVE_SYS_SELECT_H 1
 441
 442 /* Define to 1 if you have the <sys/socket.h> header file. */
 443 #define HAVE_SYS_SOCKET_H 1
 444
 445 /* Define to 1 if you have the <sys/sockio.h> header file. */
 446 #define HAVE_SYS_SOCKIO_H 1
 447
 448 /* Define to 1 if you have the <sys/stat.h> header file. */
 449 #define HAVE_SYS_STAT_H 1
 450
 451 /* Define to 1 if you have the <sys/sysctl.h> header file. */
 452 #define HAVE_SYS_SYSCTL_H 1
 453
 454 /* Define to 1 if you have the <sys/time.h> header file. */
 455 #define HAVE_SYS_TIME_H 1
 456
 457 /* Define to 1 if you have the <sys/types.h> header file. */
 458 #define HAVE_SYS_TYPES_H 1
 459
 460 /* Define to 1 if you have the <sys/un.h> header file. */
 461 #define HAVE_SYS_UN_H 1
 462
 463 /* Define if running under Compaq TruCluster */
 464 /* #undef HAVE_TRUCLUSTER */
 465
 466 /* Define to 1 if you have the <unistd.h> header file. */
 467 #define HAVE_UNISTD_H 1
 468
 469 /* Define to 1 if you have the `usleep' function. */
 470 #define HAVE_USLEEP 1
 471
 472 /* HMAC_*() return ints */
 473 /* #undef HMAC_RETURN_INT */
 474
 475 /* Use HMAC-SHA1 for Source Identity Token generation */
 476 /* #undef HMAC_SHA1_SIT */
 477
 478 /* Use HMAC-SHA256 for Source Identity Token generation */
 479 /* #undef HMAC_SHA256_SIT */
 480
 481 /* return type of gai_strerror */
 482 #define IRS_GAISTRERROR_RETURN_T const char *
 483
 484 /* Define to the buffer length type used by getnameinfo(3). */
 485 #define IRS_GETNAMEINFO_BUFLEN_T socklen_t
 486
 487 /* Define to the flags type used by getnameinfo(3). */
 488 #define IRS_GETNAMEINFO_FLAGS_T int
 489
 490 /* Define to the sockaddr length type used by getnameinfo(3). */
 491 #define IRS_GETNAMEINFO_SOCKLEN_T socklen_t
 492
 493 /* Define to allow building of objects for dlopen(). */
 494 #define ISC_DLZ_DLOPEN 1
 495
 496 /* Define to the sub-directory in which libtool stores uninstalled libraries.
 497    */
 498 #define LT_OBJDIR ".libs/"
 499
 500 /* Defined if extern char *optarg is not declared. */
 501 /* #undef NEED_OPTARG */
 502
 503 /* Define if connect does not honour the permission on the UNIX domain socket.
 504    */
 505 /* #undef NEED_SECURE_DIRECTORY */
 506
 507 /* Define to the address where bug reports for this package should be sent. */
 508 #define PACKAGE_BUGREPORT "bind9-bugs@isc.org"
 509
 510 /* Define to the full name of this package. */
 511 #define PACKAGE_NAME "BIND"
 512
 513 /* Define to the full name and version of this package. */
 514 #define PACKAGE_STRING "BIND 9.10"
 515
 516 /* Define to the one symbol short name of this package. */
 517 #define PACKAGE_TARNAME "bind"
 518
 519 /* Define to the home page for this package. */
 520 #define PACKAGE_URL "https://www.isc.org/downloads/BIND/"
 521
 522 /* Define to the version of this package. */
 523 #define PACKAGE_VERSION "9.10"
 524
 525 /* Sets which flag to pass to open/fcntl to make non-blocking
 526    (O_NDELAY/O_NONBLOCK). */
 527 #define PORT_NONBLOCK O_NONBLOCK
 528
 529 /* Define if GOST private keys are encoded in ASN.1. */
 530 /* #undef PREFER_GOSTASN1 */
 531
 532 /* The size of `void *', as computed by sizeof. */
 533 #define SIZEOF_VOID_P 8
 534
 535 /* Define to 1 if you have the ANSI C header files. */
 536 #define STDC_HEADERS 1
 537
 538 /* Define to 1 if you can safely include both <sys/time.h> and <time.h>. */
 539 #define TIME_WITH_SYS_TIME 1
 540
 541 /* Define to use large-system tuning. */
 542 /* #undef TUNE_LARGE */
 543
 544 /* Defined if you need to use ioctl(FIONBIO) instead a fcntl call to make
 545    non-blocking. */
 546 /* #undef USE_FIONBIO_IOCTL */
 547
 548 /* define if idnkit support is to be included. */
 549 /* #undef WITH_IDN */
 550
 551 /* Define WORDS_BIGENDIAN to 1 if your processor stores words with the most
 552    significant byte first (like Motorola and SPARC, unlike Intel). */
 553 #ifndef __NetBSD__
 554 /* Defined by the build process */
 555 #if defined AC_APPLE_UNIVERSAL_BUILD
 556 # if defined __BIG_ENDIAN__
 557 #  define WORDS_BIGENDIAN 1
 558 # endif
 559 #else
 560 # ifndef WORDS_BIGENDIAN
 561 /* #  undef WORDS_BIGENDIAN */
 562 # endif
 563 #endif
 564 #endif
 565
 566 /* Define to empty if `const' does not conform to ANSI C. */
 567 /* #undef const */
 568
 569 /* Define to empty if your compiler does not support "static inline". */
 570 /* #undef inline */
 571
 572 /* Define to `unsigned int' if <sys/types.h> does not define. */
 573 /* #undef size_t */
 574
 575 /* Define to `int' if <sys/types.h> does not define. */
 576 /* #undef ssize_t */
 577
 578 /* Define to `unsigned long' if <sys/types.h> does not define. */
 579 /* #undef uintptr_t */
 580
 581 /* Define to empty if the keyword `volatile' does not work. Warning: valid
 582    code using `volatile' can become incorrect without. Disable with care. */
 583 /* #undef volatile */