1 2# Copyright (C) Igor Sysoev 3# Copyright (C) Nginx, Inc. 4 5 6NGX_USER=${NGX_USER:-nobody} 7 8if [ -z "$NGX_GROUP" ]; then 9 if [ $NGX_USER = nobody ]; then 10 if grep nobody /etc/group 2>&1 >/dev/null; then 11 echo "checking for nobody group ... found" 12 NGX_GROUP=nobody 13 else 14 echo "checking for nobody group ... not found" 15 16 if grep nogroup /etc/group 2>&1 >/dev/null; then 17 echo "checking for nogroup group ... found" 18 NGX_GROUP=nogroup 19 else 20 echo "checking for nogroup group ... not found" 21 NGX_GROUP=nobody 22 fi 23 fi 24 else 25 NGX_GROUP=$NGX_USER 26 fi 27fi 28 29 30ngx_feature="poll()" 31ngx_feature_name= 32ngx_feature_run=no 33ngx_feature_incs="#include <poll.h>" 34ngx_feature_path= 35ngx_feature_libs= 36ngx_feature_test="int n; struct pollfd pl; 37 pl.fd = 0; 38 pl.events = 0; 39 pl.revents = 0; 40 n = poll(&pl, 1, 0); 41 if (n == -1) return 1" 42. auto/feature 43 44if [ $ngx_found = no ]; then 45 EVENT_POLL=NONE 46fi 47 48 49ngx_feature="/dev/poll" 50ngx_feature_name="NGX_HAVE_DEVPOLL" 51ngx_feature_run=no 52ngx_feature_incs="#include <sys/devpoll.h>" 53ngx_feature_path= 54ngx_feature_libs= 55ngx_feature_test="int n, dp; struct dvpoll dvp; 56 dp = 0; 57 dvp.dp_fds = NULL; 58 dvp.dp_nfds = 0; 59 dvp.dp_timeout = 0; 60 n = ioctl(dp, DP_POLL, &dvp); 61 if (n == -1) return 1" 62. auto/feature 63 64if [ $ngx_found = yes ]; then 65 CORE_SRCS="$CORE_SRCS $DEVPOLL_SRCS" 66 EVENT_MODULES="$EVENT_MODULES $DEVPOLL_MODULE" 67 EVENT_FOUND=YES 68fi 69 70 71if test -z "$NGX_KQUEUE_CHECKED"; then 72 ngx_feature="kqueue" 73 ngx_feature_name="NGX_HAVE_KQUEUE" 74 ngx_feature_run=no 75 ngx_feature_incs="#include <sys/event.h>" 76 ngx_feature_path= 77 ngx_feature_libs= 78 ngx_feature_test="(void) kqueue()" 79 . auto/feature 80 81 if [ $ngx_found = yes ]; then 82 83 have=NGX_HAVE_CLEAR_EVENT . auto/have 84 EVENT_MODULES="$EVENT_MODULES $KQUEUE_MODULE" 85 CORE_SRCS="$CORE_SRCS $KQUEUE_SRCS" 86 EVENT_FOUND=YES 87 88 ngx_feature="kqueue's NOTE_LOWAT" 89 ngx_feature_name="NGX_HAVE_LOWAT_EVENT" 90 ngx_feature_run=no 91 ngx_feature_incs="#include <sys/event.h>" 92 ngx_feature_path= 93 ngx_feature_libs= 94 ngx_feature_test="struct kevent kev; 95 kev.fflags = NOTE_LOWAT; 96 (void) kev" 97 . auto/feature 98 99 100 ngx_feature="kqueue's EVFILT_TIMER" 101 ngx_feature_name="NGX_HAVE_TIMER_EVENT" 102 ngx_feature_run=yes 103 ngx_feature_incs="#include <sys/event.h> 104 #include <sys/time.h>" 105 ngx_feature_path= 106 ngx_feature_libs= 107 ngx_feature_test="int kq; 108 struct kevent kev; 109 struct timespec ts; 110 111 if ((kq = kqueue()) == -1) return 1; 112 113 kev.ident = 0; 114 kev.filter = EVFILT_TIMER; 115 kev.flags = EV_ADD|EV_ENABLE; 116 kev.fflags = 0; 117 kev.data = 1000; 118 kev.udata = 0; 119 120 ts.tv_sec = 0; 121 ts.tv_nsec = 0; 122 123 if (kevent(kq, &kev, 1, &kev, 1, &ts) == -1) return 1; 124 125 if (kev.flags & EV_ERROR) return 1;" 126 127 . auto/feature 128 fi 129fi 130 131 132if [ "$NGX_SYSTEM" = "NetBSD" ]; then 133 134 # NetBSD 2.0 incompatibly defines kevent.udata as "intptr_t" 135 136 cat << END >> $NGX_AUTO_CONFIG_H 137 138#define NGX_KQUEUE_UDATA_T 139 140END 141 142else 143 cat << END >> $NGX_AUTO_CONFIG_H 144 145#define NGX_KQUEUE_UDATA_T (void *) 146 147END 148 149fi 150 151 152ngx_feature="crypt()" 153ngx_feature_name= 154ngx_feature_run=no 155ngx_feature_incs= 156ngx_feature_path= 157ngx_feature_libs= 158ngx_feature_test="crypt(\"test\", \"salt\");" 159. auto/feature 160 161 162if [ $ngx_found = no ]; then 163 164 ngx_feature="crypt() in libcrypt" 165 ngx_feature_name= 166 ngx_feature_run=no 167 ngx_feature_incs= 168 ngx_feature_path= 169 ngx_feature_libs=-lcrypt 170 . auto/feature 171 172 if [ $ngx_found = yes ]; then 173 CRYPT_LIB="-lcrypt" 174 fi 175fi 176 177 178ngx_feature="F_READAHEAD" 179ngx_feature_name="NGX_HAVE_F_READAHEAD" 180ngx_feature_run=no 181ngx_feature_incs="#include <fcntl.h>" 182ngx_feature_path= 183ngx_feature_libs= 184ngx_feature_test="fcntl(0, F_READAHEAD, 1);" 185. auto/feature 186 187 188ngx_feature="posix_fadvise()" 189ngx_feature_name="NGX_HAVE_POSIX_FADVISE" 190ngx_feature_run=no 191ngx_feature_incs="#include <fcntl.h>" 192ngx_feature_path= 193ngx_feature_libs= 194ngx_feature_test="posix_fadvise(0, 0, 0, POSIX_FADV_SEQUENTIAL);" 195. auto/feature 196 197 198ngx_feature="O_DIRECT" 199ngx_feature_name="NGX_HAVE_O_DIRECT" 200ngx_feature_run=no 201ngx_feature_incs="#include <fcntl.h>" 202ngx_feature_path= 203ngx_feature_libs= 204ngx_feature_test="fcntl(0, F_SETFL, O_DIRECT);" 205. auto/feature 206 207 208if [ $ngx_found = yes -a "$NGX_SYSTEM" = "Linux" ]; then 209 have=NGX_HAVE_ALIGNED_DIRECTIO . auto/have 210fi 211 212ngx_feature="F_NOCACHE" 213ngx_feature_name="NGX_HAVE_F_NOCACHE" 214ngx_feature_run=no 215ngx_feature_incs="#include <fcntl.h>" 216ngx_feature_path= 217ngx_feature_libs= 218ngx_feature_test="fcntl(0, F_NOCACHE, 1);" 219. auto/feature 220 221 222ngx_feature="directio()" 223ngx_feature_name="NGX_HAVE_DIRECTIO" 224ngx_feature_run=no 225ngx_feature_incs="#include <sys/types.h> 226 #include <sys/fcntl.h>" 227ngx_feature_path= 228ngx_feature_libs= 229ngx_feature_test="directio(0, DIRECTIO_ON);" 230. auto/feature 231 232 233ngx_feature="statfs()" 234ngx_feature_name="NGX_HAVE_STATFS" 235ngx_feature_run=no 236ngx_feature_incs="$NGX_INCLUDE_SYS_PARAM_H 237 $NGX_INCLUDE_SYS_MOUNT_H 238 $NGX_INCLUDE_SYS_VFS_H" 239ngx_feature_path= 240ngx_feature_libs= 241ngx_feature_test="struct statfs fs; 242 statfs(\".\", &fs);" 243. auto/feature 244 245 246ngx_feature="statvfs()" 247ngx_feature_name="NGX_HAVE_STATVFS" 248ngx_feature_run=no 249ngx_feature_incs="#include <sys/types.h> 250 #include <sys/statvfs.h>" 251ngx_feature_path= 252ngx_feature_libs= 253ngx_feature_test="struct statvfs fs; 254 statvfs(\".\", &fs);" 255. auto/feature 256 257 258ngx_feature="dlopen()" 259ngx_feature_name="NGX_HAVE_DLOPEN" 260ngx_feature_run=no 261ngx_feature_incs="#include <dlfcn.h>" 262ngx_feature_path= 263ngx_feature_libs= 264ngx_feature_test="dlopen(NULL, RTLD_NOW | RTLD_GLOBAL); dlsym(NULL, \"\")" 265. auto/feature 266 267 268if [ $ngx_found = no ]; then 269 270 ngx_feature="dlopen() in libdl" 271 ngx_feature_libs="-ldl" 272 . auto/feature 273 274 if [ $ngx_found = yes ]; then 275 CORE_LIBS="$CORE_LIBS -ldl" 276 NGX_LIBDL="-ldl" 277 fi 278fi 279 280 281ngx_feature="sched_yield()" 282ngx_feature_name="NGX_HAVE_SCHED_YIELD" 283ngx_feature_run=no 284ngx_feature_incs="#include <sched.h>" 285ngx_feature_path= 286ngx_feature_libs= 287ngx_feature_test="sched_yield()" 288. auto/feature 289 290 291if [ $ngx_found = no ]; then 292 293 ngx_feature="sched_yield() in librt" 294 ngx_feature_libs="-lrt" 295 . auto/feature 296 297 if [ $ngx_found = yes ]; then 298 CORE_LIBS="$CORE_LIBS -lrt" 299 fi 300fi 301 302 303ngx_feature="sched_setaffinity()" 304ngx_feature_name="NGX_HAVE_SCHED_SETAFFINITY" 305ngx_feature_run=no 306ngx_feature_incs="#include <sched.h>" 307ngx_feature_path= 308ngx_feature_libs= 309ngx_feature_test="cpu_set_t mask; 310 CPU_ZERO(&mask); 311 sched_setaffinity(0, sizeof(cpu_set_t), &mask)" 312. auto/feature 313 314 315ngx_feature="SO_SETFIB" 316ngx_feature_name="NGX_HAVE_SETFIB" 317ngx_feature_run=no 318ngx_feature_incs="#include <sys/socket.h>" 319ngx_feature_path= 320ngx_feature_libs= 321ngx_feature_test="setsockopt(0, SOL_SOCKET, SO_SETFIB, NULL, 0)" 322. auto/feature 323 324 325ngx_feature="SO_REUSEPORT" 326ngx_feature_name="NGX_HAVE_REUSEPORT" 327ngx_feature_run=no 328ngx_feature_incs="#include <sys/socket.h>" 329ngx_feature_path= 330ngx_feature_libs= 331ngx_feature_test="setsockopt(0, SOL_SOCKET, SO_REUSEPORT, NULL, 0)" 332. auto/feature 333 334 335ngx_feature="SO_ACCEPTFILTER" 336ngx_feature_name="NGX_HAVE_DEFERRED_ACCEPT" 337ngx_feature_run=no 338ngx_feature_incs="#include <sys/socket.h>" 339ngx_feature_path= 340ngx_feature_libs= 341ngx_feature_test="setsockopt(0, SOL_SOCKET, SO_ACCEPTFILTER, NULL, 0)" 342. auto/feature 343 344 345# OpenBSD bind to any address for transparent proxying 346 347ngx_feature="SO_BINDANY" 348ngx_feature_name="NGX_HAVE_TRANSPARENT_PROXY" 349ngx_feature_run=no 350ngx_feature_incs="#include <sys/socket.h>" 351ngx_feature_path= 352ngx_feature_libs= 353ngx_feature_test="setsockopt(0, SOL_SOCKET, SO_BINDANY, NULL, 0)" 354. auto/feature 355 356 357# Linux transparent proxying 358 359ngx_feature="IP_TRANSPARENT" 360ngx_feature_name="NGX_HAVE_TRANSPARENT_PROXY" 361ngx_feature_run=no 362ngx_feature_incs="#include <sys/socket.h> 363 #include <netinet/in.h>" 364ngx_feature_path= 365ngx_feature_libs= 366ngx_feature_test="setsockopt(0, IPPROTO_IP, IP_TRANSPARENT, NULL, 0)" 367. auto/feature 368 369 370# FreeBSD bind to any address for transparent proxying 371 372ngx_feature="IP_BINDANY" 373ngx_feature_name="NGX_HAVE_TRANSPARENT_PROXY" 374ngx_feature_run=no 375ngx_feature_incs="#include <sys/socket.h> 376 #include <netinet/in.h>" 377ngx_feature_path= 378ngx_feature_libs= 379ngx_feature_test="setsockopt(0, IPPROTO_IP, IP_BINDANY, NULL, 0)" 380. auto/feature 381 382 383# Linux IP_BIND_ADDRESS_NO_PORT 384 385ngx_feature="IP_BIND_ADDRESS_NO_PORT" 386ngx_feature_name="NGX_HAVE_IP_BIND_ADDRESS_NO_PORT" 387ngx_feature_run=no 388ngx_feature_incs="#include <sys/socket.h> 389 #include <netinet/in.h>" 390ngx_feature_path= 391ngx_feature_libs= 392ngx_feature_test="setsockopt(0, IPPROTO_IP, IP_BIND_ADDRESS_NO_PORT, NULL, 0)" 393. auto/feature 394 395 396# BSD way to get IPv4 datagram destination address 397 398ngx_feature="IP_RECVDSTADDR" 399ngx_feature_name="NGX_HAVE_IP_RECVDSTADDR" 400ngx_feature_run=no 401ngx_feature_incs="#include <sys/socket.h> 402 #include <netinet/in.h>" 403ngx_feature_path= 404ngx_feature_libs= 405ngx_feature_test="setsockopt(0, IPPROTO_IP, IP_RECVDSTADDR, NULL, 0)" 406. auto/feature 407 408 409# BSD way to set IPv4 datagram source address 410 411ngx_feature="IP_SENDSRCADDR" 412ngx_feature_name="NGX_HAVE_IP_SENDSRCADDR" 413ngx_feature_run=no 414ngx_feature_incs="#include <sys/socket.h> 415 #include <netinet/in.h>" 416ngx_feature_path= 417ngx_feature_libs= 418ngx_feature_test="setsockopt(0, IPPROTO_IP, IP_SENDSRCADDR, NULL, 0)" 419. auto/feature 420 421 422# Linux way to get IPv4 datagram destination address 423 424ngx_feature="IP_PKTINFO" 425ngx_feature_name="NGX_HAVE_IP_PKTINFO" 426ngx_feature_run=no 427ngx_feature_incs="#include <sys/socket.h> 428 #include <netinet/in.h>" 429ngx_feature_path= 430ngx_feature_libs= 431ngx_feature_test="struct in_pktinfo pkt; 432 pkt.ipi_spec_dst.s_addr = INADDR_ANY; 433 (void) pkt; 434 setsockopt(0, IPPROTO_IP, IP_PKTINFO, NULL, 0)" 435. auto/feature 436 437 438# RFC 3542 way to get IPv6 datagram destination address 439 440ngx_feature="IPV6_RECVPKTINFO" 441ngx_feature_name="NGX_HAVE_IPV6_RECVPKTINFO" 442ngx_feature_run=no 443ngx_feature_incs="#include <sys/socket.h> 444 #include <netinet/in.h>" 445ngx_feature_path= 446ngx_feature_libs= 447ngx_feature_test="setsockopt(0, IPPROTO_IPV6, IPV6_RECVPKTINFO, NULL, 0)" 448. auto/feature 449 450 451ngx_feature="TCP_DEFER_ACCEPT" 452ngx_feature_name="NGX_HAVE_DEFERRED_ACCEPT" 453ngx_feature_run=no 454ngx_feature_incs="#include <sys/socket.h> 455 #include <netinet/in.h> 456 #include <netinet/tcp.h>" 457ngx_feature_path= 458ngx_feature_libs= 459ngx_feature_test="setsockopt(0, IPPROTO_TCP, TCP_DEFER_ACCEPT, NULL, 0)" 460. auto/feature 461 462 463ngx_feature="TCP_KEEPIDLE" 464ngx_feature_name="NGX_HAVE_KEEPALIVE_TUNABLE" 465ngx_feature_run=no 466ngx_feature_incs="#include <sys/socket.h> 467 #include <netinet/in.h> 468 #include <netinet/tcp.h>" 469ngx_feature_path= 470ngx_feature_libs= 471ngx_feature_test="setsockopt(0, IPPROTO_TCP, TCP_KEEPIDLE, NULL, 0); 472 setsockopt(0, IPPROTO_TCP, TCP_KEEPINTVL, NULL, 0); 473 setsockopt(0, IPPROTO_TCP, TCP_KEEPCNT, NULL, 0)" 474. auto/feature 475 476 477ngx_feature="TCP_FASTOPEN" 478ngx_feature_name="NGX_HAVE_TCP_FASTOPEN" 479ngx_feature_run=no 480ngx_feature_incs="#include <sys/socket.h> 481 #include <netinet/in.h> 482 #include <netinet/tcp.h>" 483ngx_feature_path= 484ngx_feature_libs= 485ngx_feature_test="setsockopt(0, IPPROTO_TCP, TCP_FASTOPEN, NULL, 0)" 486. auto/feature 487 488 489ngx_feature="TCP_INFO" 490ngx_feature_name="NGX_HAVE_TCP_INFO" 491ngx_feature_run=no 492ngx_feature_incs="#include <sys/socket.h> 493 #include <netinet/in.h> 494 #include <netinet/tcp.h>" 495ngx_feature_path= 496ngx_feature_libs= 497ngx_feature_test="socklen_t optlen = sizeof(struct tcp_info); 498 struct tcp_info ti; 499 ti.tcpi_rtt = 0; 500 ti.tcpi_rttvar = 0; 501 ti.tcpi_snd_cwnd = 0; 502 ti.tcpi_rcv_space = 0; 503 getsockopt(0, IPPROTO_TCP, TCP_INFO, &ti, &optlen)" 504. auto/feature 505 506 507#ngx_feature="accept4()" 508#ngx_feature_name="NGX_HAVE_ACCEPT4" 509#ngx_feature_run=no 510#ngx_feature_incs="#include <sys/socket.h>" 511#ngx_feature_path= 512#ngx_feature_libs= 513#ngx_feature_test="accept4(0, NULL, NULL, SOCK_NONBLOCK)" 514#. auto/feature 515 516if [ $NGX_FILE_AIO = YES ]; then 517 518 ngx_feature="kqueue AIO support" 519 ngx_feature_name="NGX_HAVE_FILE_AIO" 520 ngx_feature_run=no 521 ngx_feature_incs="#include <aio.h>" 522 ngx_feature_path= 523 ngx_feature_libs= 524 ngx_feature_test="struct aiocb iocb; 525 iocb.aio_sigevent.sigev_notify = SIGEV_KEVENT; 526 (void) aio_read(&iocb)" 527 . auto/feature 528 529 if [ $ngx_found = yes ]; then 530 CORE_SRCS="$CORE_SRCS $FILE_AIO_SRCS" 531 fi 532 533 if [ $ngx_found = no ]; then 534 535 ngx_feature="Linux AIO support" 536 ngx_feature_name="NGX_HAVE_FILE_AIO" 537 ngx_feature_run=no 538 ngx_feature_incs="#include <linux/aio_abi.h> 539 #include <sys/eventfd.h>" 540 ngx_feature_path= 541 ngx_feature_libs= 542 ngx_feature_test="struct iocb iocb; 543 iocb.aio_lio_opcode = IOCB_CMD_PREAD; 544 iocb.aio_flags = IOCB_FLAG_RESFD; 545 iocb.aio_resfd = -1; 546 (void) iocb; 547 (void) eventfd(0, 0)" 548 . auto/feature 549 550 if [ $ngx_found = yes ]; then 551 have=NGX_HAVE_EVENTFD . auto/have 552 have=NGX_HAVE_SYS_EVENTFD_H . auto/have 553 CORE_SRCS="$CORE_SRCS $LINUX_AIO_SRCS" 554 fi 555 fi 556 557 if [ $ngx_found = no ]; then 558 559 ngx_feature="Linux AIO support (SYS_eventfd)" 560 ngx_feature_incs="#include <linux/aio_abi.h> 561 #include <sys/syscall.h>" 562 ngx_feature_test="struct iocb iocb; 563 iocb.aio_lio_opcode = IOCB_CMD_PREAD; 564 iocb.aio_flags = IOCB_FLAG_RESFD; 565 iocb.aio_resfd = -1; 566 (void) iocb; 567 (void) SYS_eventfd" 568 . auto/feature 569 570 if [ $ngx_found = yes ]; then 571 have=NGX_HAVE_EVENTFD . auto/have 572 CORE_SRCS="$CORE_SRCS $LINUX_AIO_SRCS" 573 fi 574 fi 575 576 if [ $ngx_found = no ]; then 577 cat << END 578 579$0: no supported file AIO was found 580Currently file AIO is supported on FreeBSD 4.3+ and Linux 2.6.22+ only 581 582END 583 exit 1 584 fi 585 586else 587 588 ngx_feature="eventfd()" 589 ngx_feature_name="NGX_HAVE_EVENTFD" 590 ngx_feature_run=no 591 ngx_feature_incs="#include <sys/eventfd.h>" 592 ngx_feature_path= 593 ngx_feature_libs= 594 ngx_feature_test="(void) eventfd(0, 0)" 595 . auto/feature 596 597 if [ $ngx_found = yes ]; then 598 have=NGX_HAVE_SYS_EVENTFD_H . auto/have 599 fi 600 601 if [ $ngx_found = no ]; then 602 603 ngx_feature="eventfd() (SYS_eventfd)" 604 ngx_feature_incs="#include <sys/syscall.h>" 605 ngx_feature_test="(void) SYS_eventfd" 606 . auto/feature 607 fi 608fi 609 610 611have=NGX_HAVE_UNIX_DOMAIN . auto/have 612 613ngx_feature_libs= 614 615 616# C types 617 618ngx_type="int"; . auto/types/sizeof 619 620ngx_type="long"; . auto/types/sizeof 621 622ngx_type="long long"; . auto/types/sizeof 623 624ngx_type="void *"; . auto/types/sizeof; ngx_ptr_size=$ngx_size 625ngx_param=NGX_PTR_SIZE; ngx_value=$ngx_size; . auto/types/value 626 627 628# POSIX types 629 630NGX_INCLUDE_AUTO_CONFIG_H="#include \"ngx_auto_config.h\"" 631 632ngx_type="uint32_t"; ngx_types="u_int32_t"; . auto/types/typedef 633ngx_type="uint64_t"; ngx_types="u_int64_t"; . auto/types/typedef 634 635ngx_type="sig_atomic_t"; ngx_types="int"; . auto/types/typedef 636. auto/types/sizeof 637ngx_param=NGX_SIG_ATOMIC_T_SIZE; ngx_value=$ngx_size; . auto/types/value 638 639ngx_type="socklen_t"; ngx_types="int"; . auto/types/typedef 640 641ngx_type="in_addr_t"; ngx_types="uint32_t u_int32_t"; . auto/types/typedef 642 643ngx_type="in_port_t"; ngx_types="u_short"; . auto/types/typedef 644 645ngx_type="rlim_t"; ngx_types="int"; . auto/types/typedef 646 647. auto/types/uintptr_t 648 649. auto/endianness 650 651ngx_type="size_t"; . auto/types/sizeof 652ngx_param=NGX_MAX_SIZE_T_VALUE; ngx_value=$ngx_max_value; . auto/types/value 653ngx_param=NGX_SIZE_T_LEN; ngx_value=$ngx_max_len; . auto/types/value 654 655ngx_type="off_t"; . auto/types/sizeof 656ngx_param=NGX_MAX_OFF_T_VALUE; ngx_value=$ngx_max_value; . auto/types/value 657ngx_param=NGX_OFF_T_LEN; ngx_value=$ngx_max_len; . auto/types/value 658 659ngx_type="time_t"; . auto/types/sizeof 660ngx_param=NGX_TIME_T_SIZE; ngx_value=$ngx_size; . auto/types/value 661ngx_param=NGX_TIME_T_LEN; ngx_value=$ngx_max_len; . auto/types/value 662ngx_param=NGX_MAX_TIME_T_VALUE; ngx_value=$ngx_max_value; . auto/types/value 663 664 665# syscalls, libc calls and some features 666 667 668ngx_feature="AF_INET6" 669ngx_feature_name="NGX_HAVE_INET6" 670ngx_feature_run=no 671ngx_feature_incs="#include <sys/socket.h> 672 #include <netinet/in.h> 673 #include <arpa/inet.h>" 674ngx_feature_path= 675ngx_feature_libs= 676ngx_feature_test="struct sockaddr_in6 sin6; 677 sin6.sin6_family = AF_INET6; 678 (void) sin6" 679. auto/feature 680 681 682ngx_feature="setproctitle()" 683ngx_feature_name="NGX_HAVE_SETPROCTITLE" 684ngx_feature_run=no 685ngx_feature_incs="#include <stdlib.h>" 686ngx_feature_path= 687ngx_feature_libs=$NGX_SETPROCTITLE_LIB 688ngx_feature_test="setproctitle(\"test\");" 689. auto/feature 690 691 692ngx_feature="pread()" 693ngx_feature_name="NGX_HAVE_PREAD" 694ngx_feature_run=no 695ngx_feature_incs= 696ngx_feature_path= 697ngx_feature_libs= 698ngx_feature_test="char buf[1]; ssize_t n; n = pread(0, buf, 1, 0); 699 if (n == -1) return 1" 700. auto/feature 701 702 703ngx_feature="pwrite()" 704ngx_feature_name="NGX_HAVE_PWRITE" 705ngx_feature_run=no 706ngx_feature_incs= 707ngx_feature_path= 708ngx_feature_libs= 709ngx_feature_test="char buf[1]; ssize_t n; n = pwrite(1, buf, 1, 0); 710 if (n == -1) return 1" 711. auto/feature 712 713 714# pwritev() was introduced in FreeBSD 6 and Linux 2.6.30, glibc 2.10 715 716ngx_feature="pwritev()" 717ngx_feature_name="NGX_HAVE_PWRITEV" 718ngx_feature_run=no 719ngx_feature_incs='#include <sys/uio.h>' 720ngx_feature_path= 721ngx_feature_libs= 722ngx_feature_test="char buf[1]; struct iovec vec[1]; ssize_t n; 723 vec[0].iov_base = buf; 724 vec[0].iov_len = 1; 725 n = pwritev(1, vec, 1, 0); 726 if (n == -1) return 1" 727. auto/feature 728 729 730ngx_feature="sys_nerr" 731ngx_feature_name="NGX_SYS_NERR" 732ngx_feature_run=value 733ngx_feature_incs='#include <errno.h> 734 #include <stdio.h>' 735ngx_feature_path= 736ngx_feature_libs= 737ngx_feature_test='printf("%d", sys_nerr);' 738. auto/feature 739 740 741if [ $ngx_found = no ]; then 742 743 # Cygiwn defines _sys_nerr 744 ngx_feature="_sys_nerr" 745 ngx_feature_name="NGX_SYS_NERR" 746 ngx_feature_run=value 747 ngx_feature_incs='#include <errno.h> 748 #include <stdio.h>' 749 ngx_feature_path= 750 ngx_feature_libs= 751 ngx_feature_test='printf("%d", _sys_nerr);' 752 . auto/feature 753fi 754 755 756if [ $ngx_found = no ]; then 757 758 # Solaris has no sys_nerr 759 ngx_feature='maximum errno' 760 ngx_feature_name=NGX_SYS_NERR 761 ngx_feature_run=value 762 ngx_feature_incs='#include <errno.h> 763 #include <string.h> 764 #include <stdio.h>' 765 ngx_feature_path= 766 ngx_feature_libs= 767 ngx_feature_test='int n; 768 char *p; 769 for (n = 1; n < 1000; n++) { 770 errno = 0; 771 p = strerror(n); 772 if (errno == EINVAL 773 || p == NULL 774 || strncmp(p, "Unknown error", 13) == 0) 775 { 776 break; 777 } 778 } 779 printf("%d", n);' 780 . auto/feature 781fi 782 783 784ngx_feature="localtime_r()" 785ngx_feature_name="NGX_HAVE_LOCALTIME_R" 786ngx_feature_run=no 787ngx_feature_incs="#include <time.h>" 788ngx_feature_path= 789ngx_feature_libs= 790ngx_feature_test="struct tm t; time_t c=0; localtime_r(&c, &t)" 791. auto/feature 792 793 794ngx_feature="clock_gettime(CLOCK_MONOTONIC)" 795ngx_feature_name="NGX_HAVE_CLOCK_MONOTONIC" 796ngx_feature_run=no 797ngx_feature_incs="#include <time.h>" 798ngx_feature_path= 799ngx_feature_libs= 800ngx_feature_test="struct timespec ts; clock_gettime(CLOCK_MONOTONIC, &ts)" 801. auto/feature 802 803 804if [ $ngx_found = no ]; then 805 806 # Linux before glibc 2.17, notably CentOS 6 807 808 ngx_feature="clock_gettime(CLOCK_MONOTONIC) in librt" 809 ngx_feature_libs="-lrt" 810 . auto/feature 811 812 if [ $ngx_found = yes ]; then 813 CORE_LIBS="$CORE_LIBS -lrt" 814 fi 815fi 816 817 818ngx_feature="posix_memalign()" 819ngx_feature_name="NGX_HAVE_POSIX_MEMALIGN" 820ngx_feature_run=no 821ngx_feature_incs="#include <stdlib.h>" 822ngx_feature_path= 823ngx_feature_libs= 824ngx_feature_test="void *p; int n; n = posix_memalign(&p, 4096, 4096); 825 if (n != 0) return 1" 826. auto/feature 827 828 829ngx_feature="memalign()" 830ngx_feature_name="NGX_HAVE_MEMALIGN" 831ngx_feature_run=no 832ngx_feature_incs="#include <stdlib.h> 833 #include <malloc.h>" 834ngx_feature_path= 835ngx_feature_libs= 836ngx_feature_test="void *p; p = memalign(4096, 4096); 837 if (p == NULL) return 1" 838. auto/feature 839 840 841ngx_feature="mmap(MAP_ANON|MAP_SHARED)" 842ngx_feature_name="NGX_HAVE_MAP_ANON" 843ngx_feature_run=yes 844ngx_feature_incs="#include <sys/mman.h>" 845ngx_feature_path= 846ngx_feature_libs= 847ngx_feature_test="void *p; 848 p = mmap(NULL, 4096, PROT_READ|PROT_WRITE, 849 MAP_ANON|MAP_SHARED, -1, 0); 850 if (p == MAP_FAILED) return 1;" 851. auto/feature 852 853 854ngx_feature='mmap("/dev/zero", MAP_SHARED)' 855ngx_feature_name="NGX_HAVE_MAP_DEVZERO" 856ngx_feature_run=yes 857ngx_feature_incs="#include <sys/mman.h> 858 #include <sys/stat.h> 859 #include <fcntl.h>" 860ngx_feature_path= 861ngx_feature_libs= 862ngx_feature_test='void *p; int fd; 863 fd = open("/dev/zero", O_RDWR); 864 p = mmap(NULL, 4096, PROT_READ|PROT_WRITE, MAP_SHARED, fd, 0); 865 if (p == MAP_FAILED) return 1;' 866. auto/feature 867 868 869ngx_feature="System V shared memory" 870ngx_feature_name="NGX_HAVE_SYSVSHM" 871ngx_feature_run=yes 872ngx_feature_incs="#include <sys/ipc.h> 873 #include <sys/shm.h>" 874ngx_feature_path= 875ngx_feature_libs= 876ngx_feature_test="int id; 877 id = shmget(IPC_PRIVATE, 4096, (SHM_R|SHM_W|IPC_CREAT)); 878 if (id == -1) return 1; 879 shmctl(id, IPC_RMID, NULL);" 880. auto/feature 881 882 883ngx_feature="POSIX semaphores" 884ngx_feature_name="NGX_HAVE_POSIX_SEM" 885ngx_feature_run=yes 886ngx_feature_incs="#include <semaphore.h>" 887ngx_feature_path= 888ngx_feature_libs= 889ngx_feature_test="sem_t sem; 890 if (sem_init(&sem, 1, 0) == -1) return 1; 891 sem_destroy(&sem);" 892. auto/feature 893 894 895if [ $ngx_found = no ]; then 896 897 # Linux has POSIX semaphores in libpthread 898 ngx_feature="POSIX semaphores in libpthread" 899 ngx_feature_libs=-lpthread 900 . auto/feature 901 902 if [ $ngx_found = yes ]; then 903 CORE_LIBS="$CORE_LIBS -lpthread" 904 NGX_LIBPTHREAD="-lpthread" 905 fi 906fi 907 908 909if [ $ngx_found = no ]; then 910 911 # Solaris has POSIX semaphores in librt 912 ngx_feature="POSIX semaphores in librt" 913 ngx_feature_libs=-lrt 914 . auto/feature 915 916 if [ $ngx_found = yes ]; then 917 CORE_LIBS="$CORE_LIBS -lrt" 918 fi 919fi 920 921 922ngx_feature="struct msghdr.msg_control" 923ngx_feature_name="NGX_HAVE_MSGHDR_MSG_CONTROL" 924ngx_feature_run=no 925ngx_feature_incs="#include <sys/socket.h> 926 #include <stdio.h>" 927ngx_feature_path= 928ngx_feature_libs= 929ngx_feature_test="struct msghdr msg; 930 printf(\"%d\", (int) sizeof(msg.msg_control))" 931. auto/feature 932 933 934ngx_feature="ioctl(FIONBIO)" 935ngx_feature_name="NGX_HAVE_FIONBIO" 936ngx_feature_run=no 937ngx_feature_incs="#include <sys/ioctl.h> 938 #include <stdio.h> 939 $NGX_INCLUDE_SYS_FILIO_H" 940ngx_feature_path= 941ngx_feature_libs= 942ngx_feature_test="int i = FIONBIO; printf(\"%d\", i)" 943. auto/feature 944 945 946ngx_feature="struct tm.tm_gmtoff" 947ngx_feature_name="NGX_HAVE_GMTOFF" 948ngx_feature_run=no 949ngx_feature_incs="#include <time.h> 950 #include <stdio.h>" 951ngx_feature_path= 952ngx_feature_libs= 953ngx_feature_test="struct tm tm; tm.tm_gmtoff = 0; 954 printf(\"%d\", (int) tm.tm_gmtoff)" 955. auto/feature 956 957 958ngx_feature="struct dirent.d_namlen" 959ngx_feature_name="NGX_HAVE_D_NAMLEN" 960ngx_feature_run=no 961ngx_feature_incs="#include <dirent.h> 962 #include <stdio.h>" 963ngx_feature_path= 964ngx_feature_libs= 965ngx_feature_test="struct dirent dir; dir.d_namlen = 0; 966 printf(\"%d\", (int) dir.d_namlen)" 967. auto/feature 968 969 970ngx_feature="struct dirent.d_type" 971ngx_feature_name="NGX_HAVE_D_TYPE" 972ngx_feature_run=no 973ngx_feature_incs="#include <dirent.h> 974 #include <stdio.h>" 975ngx_feature_path= 976ngx_feature_libs= 977ngx_feature_test="struct dirent dir; dir.d_type = DT_REG; 978 printf(\"%d\", (int) dir.d_type)" 979. auto/feature 980 981 982ngx_feature="sysconf(_SC_NPROCESSORS_ONLN)" 983ngx_feature_name="NGX_HAVE_SC_NPROCESSORS_ONLN" 984ngx_feature_run=no 985ngx_feature_incs= 986ngx_feature_path= 987ngx_feature_libs= 988ngx_feature_test="sysconf(_SC_NPROCESSORS_ONLN)" 989. auto/feature 990 991 992ngx_feature="sysconf(_SC_LEVEL1_DCACHE_LINESIZE)" 993ngx_feature_name="NGX_HAVE_LEVEL1_DCACHE_LINESIZE" 994ngx_feature_run=no 995ngx_feature_incs= 996ngx_feature_path= 997ngx_feature_libs= 998ngx_feature_test="sysconf(_SC_LEVEL1_DCACHE_LINESIZE)" 999. auto/feature 1000 1001 1002ngx_feature="openat(), fstatat()" 1003ngx_feature_name="NGX_HAVE_OPENAT" 1004ngx_feature_run=no 1005ngx_feature_incs="#include <sys/types.h> 1006 #include <sys/stat.h> 1007 #include <fcntl.h>" 1008ngx_feature_path= 1009ngx_feature_libs= 1010ngx_feature_test="struct stat sb; 1011 openat(AT_FDCWD, \".\", O_RDONLY|O_NOFOLLOW); 1012 fstatat(AT_FDCWD, \".\", &sb, AT_SYMLINK_NOFOLLOW);" 1013. auto/feature 1014 1015 1016ngx_feature="getaddrinfo()" 1017ngx_feature_name="NGX_HAVE_GETADDRINFO" 1018ngx_feature_run=no 1019ngx_feature_incs="#include <sys/types.h> 1020 #include <sys/socket.h> 1021 #include <netdb.h>" 1022ngx_feature_path= 1023ngx_feature_libs= 1024ngx_feature_test='struct addrinfo *res; 1025 if (getaddrinfo("localhost", NULL, NULL, &res) != 0) return 1; 1026 freeaddrinfo(res)' 1027. auto/feature 1028