1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 259 260 261 262 263 264 265 266 267 268 269 270 271 272 273 274 275 276 277 278 279 280 281 282 283 284 285 286 287 288 289 290 291 292 293 294 295 296 297 298 299 300 301 302 303 304 305 306 307 308 309 310 311 312 313 314 315 316 317 318 319 320 321 322 323 324 325 326 327 328 329 330 331 332 333 334 335 336 337 338 339 340 341 342 343 344 345 346 347 348 349 350 351 352 353 354 355 356 357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 374 375 376 377 378 379 380 381 382 383 384 385 386 387 388 389 390 391 392 393 394 395 396 397 398 399 400 401 402 403 404 405 406 407 408 409 410 411 412 413 414 415 416 417 418 419 420 421 422 423 424 425 426 427 428 429 430 431 432 433 434 435 436 437 438 439 440 441 442 443 444 445 446 447 448 449 450 451 452 453 454 455 456 457 458 459 460 461 462 463 464 465 466 467 468 469 470 471 472 473 474 475 476 477 478 479 480 481 482 483 484 485 486 487 488 489 490 491 492 493 494 495 496 497 498 499 500 501 502 503 504 505 506 507 508 509 510 511 512 513 514 515 516 517 518 519 520 521 522 523 524 525 526 527 528 529 530 531 532 533 534 535 536 537 538 539 540 541 542 543 544 545 546 547 548 549 550 551 552 553 554 555 556 557 558 559 560 561 562 563 564 565 566 567 568 569 570 571 572 573 574 575 576 577 578 579 580 581 582 583 584 585 586 587 588 589 590 591 592 593 594 595 596 597 598 599 600 601 602 603 604 605 606 607 608 609 610 611 612 613 614 615 616 617 618 619 620 621 622 623 624 625 626 627 628 629 630 631 632 633 634 635 636 637 638 639 640 641 642 643 644 645 646 647 648 649 650 651 652 653 654 655 656 657 658 659 660 661 662 663 664 665 666 667 668 669 670 671 672 673 674 675 676 677 678 679 680 681 682 683 684 685 686 687 688 689 690 691 692 693 694 695 696 697 698 699 700 701 702 703 704 705 706 707 708 709 710 711 712 713 714 715 716 717 718 719 720 721 722 723 724 725 726 727 728 729 730 731 732 733 734 735 736 737 738 739 740 741 742 743 744 745 746 747 748 749 750 751 752 753 754 755 756 757 758 759 760 761 762 763 764 765 766 767 768 769 770 771 772 773 774 775 776 777 778 779 780 781 782 783 784 785 786 787 788 789 790 791 792 793 794 795 796 797 798 799 800 801 802 803 804 805 806 807 808 809 810 811 812 813 814 815 816 817 818 819 820 821 822 823
|
dnl configure.in for libevent
dnl Copyright 2000-2007 Niels Provos
dnl Copyright 2007-2012 Niels Provos and Nick Mathewson
dnl
dnl See LICENSE for copying information.
dnl
dnl Original version Dug Song <dugsong@monkey.org>
AC_PREREQ(2.59)
AC_CONFIG_MACRO_DIR([m4])
AC_INIT([libevent],[2.0.23-stable])
AC_CONFIG_SRCDIR([evdns.c])
AM_INIT_AUTOMAKE
m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
AC_CONFIG_HEADERS(config.h)
AC_DEFINE(NUMERIC_VERSION, 0x02001700, [Numeric representation of the version])
dnl Initialize prefix.
if test "$prefix" = "NONE"; then
prefix="/usr/local"
fi
AC_CANONICAL_BUILD
AC_CANONICAL_HOST
dnl the 'build' machine is where we run configure and compile
dnl the 'host' machine is where the resulting stuff runs.
case "$host_os" in
osf5*)
CFLAGS="$CFLAGS -D_OSF_SOURCE"
;;
esac
dnl Checks for programs.
AC_PROG_CC
AM_PROG_CC_C_O
AC_PROG_INSTALL
AC_PROG_LN_S
# AC_PROG_MKDIR_P - $(MKDIR_P) should be defined by AM_INIT_AUTOMAKE
# AC_PROG_SED is only available in Autoconf >= 2.59b; workaround for older
# versions
ifdef([AC_PROG_SED], [AC_PROG_SED], [
AC_CHECK_PROGS(SED, [gsed sed])
])
AC_PROG_GCC_TRADITIONAL
# We need to test for at least gcc 2.95 here, because older versions don't
# have -fno-strict-aliasing
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
#if !defined(__GNUC__) || (__GNUC__ < 2) || (__GNUC__ == 2 && __GNUC_MINOR__ < 95)
#error
#endif])], have_gcc295=yes, have_gcc295=no)
if test "$GCC" = "yes" ; then
# Enable many gcc warnings by default...
CFLAGS="$CFLAGS -Wall"
# And disable the strict-aliasing optimization, since it breaks
# our sockaddr-handling code in strange ways.
if test x$have_gcc295 = xyes; then
CFLAGS="$CFLAGS -fno-strict-aliasing"
fi
fi
# OS X Lion started deprecating the system openssl. Let's just disable
# all deprecation warnings on OS X.
case "$host_os" in
darwin*)
CFLAGS="$CFLAGS -Wno-deprecated-declarations"
;;
esac
AC_ARG_ENABLE(gcc-warnings,
AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings with GCC))
AC_ARG_ENABLE(thread-support,
AS_HELP_STRING(--disable-thread-support, disable support for threading),
[], [enable_thread_support=yes])
AC_ARG_ENABLE(malloc-replacement,
AS_HELP_STRING(--disable-malloc-replacement, disable support for replacing the memory mgt functions),
[], [enable_malloc_replacement=yes])
AC_ARG_ENABLE(openssl,
AS_HELP_STRING(--disable-openssl, disable support for openssl encryption),
[], [enable_openssl=yes])
AC_ARG_ENABLE(debug-mode,
AS_HELP_STRING(--disable-debug-mode, disable support for running in debug mode),
[], [enable_debug_mode=yes])
AC_ARG_ENABLE([libevent-install],
AS_HELP_STRING([--disable-libevent-install, disable installation of libevent]),
[], [enable_libevent_install=yes])
AC_ARG_ENABLE([libevent-regress],
AS_HELP_STRING([--enable-libevent-regress, enable regress in make check]),
[enable_libevent_regress=yes], [])
AC_ARG_ENABLE([function-sections],
AS_HELP_STRING([--enable-function-sections, make static library allow smaller binaries with --gc-sections]),
[], [enable_function_sections=no])
AC_PROG_LIBTOOL
dnl Uncomment "AC_DISABLE_SHARED" to make shared librraries not get
dnl built by default. You can also turn shared libs on and off from
dnl the command line with --enable-shared and --disable-shared.
dnl AC_DISABLE_SHARED
AC_SUBST(LIBTOOL_DEPS)
AM_CONDITIONAL([BUILD_REGRESS], [test "$enable_libevent_regress" = "yes"])
dnl Checks for libraries.
AC_SEARCH_LIBS([inet_ntoa], [nsl])
AC_SEARCH_LIBS([socket], [socket])
AC_SEARCH_LIBS([inet_aton], [resolv])
AC_SEARCH_LIBS([clock_gettime], [rt])
AC_SEARCH_LIBS([sendfile], [sendfile])
dnl - check if the macro WIN32 is defined on this compiler.
dnl - (this is how we check for a windows version of GCC)
AC_MSG_CHECKING(for WIN32)
AC_TRY_COMPILE(,
[
#ifndef WIN32
die horribly
#endif
],
bwin32=true; AC_MSG_RESULT(yes),
bwin32=false; AC_MSG_RESULT(no),
)
dnl - check if the macro __CYGWIN__ is defined on this compiler.
dnl - (this is how we check for a cygwin version of GCC)
AC_MSG_CHECKING(for CYGWIN)
AC_TRY_COMPILE(,
[
#ifndef __CYGWIN__
die horribly
#endif
],
cygwin=true; AC_MSG_RESULT(yes),
cygwin=false; AC_MSG_RESULT(no),
)
AC_CHECK_HEADERS([zlib.h])
if test "x$ac_cv_header_zlib_h" = "xyes"; then
dnl Determine if we have zlib for regression tests
dnl Don't put this one in LIBS
save_LIBS="$LIBS"
LIBS=""
ZLIB_LIBS=""
have_zlib=no
AC_SEARCH_LIBS([inflateEnd], [z],
[have_zlib=yes
ZLIB_LIBS="$LIBS"
AC_DEFINE(HAVE_LIBZ, 1, [Define if the system has zlib])])
LIBS="$save_LIBS"
AC_SUBST(ZLIB_LIBS)
fi
AM_CONDITIONAL(ZLIB_REGRESS, [test "$have_zlib" = "yes"])
dnl See if we have openssl. This doesn't go in LIBS either.
if test "$bwin32" = true; then
EV_LIB_WS32=-lws2_32
EV_LIB_GDI=-lgdi32
else
EV_LIB_WS32=
EV_LIB_GDI=
fi
AC_SUBST(EV_LIB_WS32)
AC_SUBST(EV_LIB_GDI)
AC_SUBST(OPENSSL_LIBADD)
AC_CHECK_HEADERS([openssl/bio.h])
if test "$enable_openssl" = "yes"; then
save_LIBS="$LIBS"
LIBS=""
OPENSSL_LIBS=""
have_openssl=no
AC_SEARCH_LIBS([SSL_new], [ssl],
[have_openssl=yes
OPENSSL_LIBS="$LIBS -lcrypto $EV_LIB_GDI $EV_LIB_WS32 $OPENSSL_LIBADD"
AC_DEFINE(HAVE_OPENSSL, 1, [Define if the system has openssl])],
[have_openssl=no],
[-lcrypto $EV_LIB_GDI $EV_LIB_WS32 $OPENSSL_LIBADD])
LIBS="$save_LIBS"
AC_SUBST(OPENSSL_LIBS)
fi
dnl Checks for header files.
AC_HEADER_STDC
AC_CHECK_HEADERS([fcntl.h stdarg.h inttypes.h stdint.h stddef.h poll.h unistd.h sys/epoll.h sys/time.h sys/queue.h sys/event.h sys/param.h sys/ioctl.h sys/select.h sys/devpoll.h port.h netinet/in.h netinet/in6.h sys/socket.h sys/uio.h arpa/inet.h sys/eventfd.h sys/mman.h sys/sendfile.h sys/wait.h netdb.h])
AC_CHECK_HEADERS([sys/stat.h])
AC_CHECK_HEADERS(sys/sysctl.h, [], [], [
#ifdef HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif
])
if test "x$ac_cv_header_sys_queue_h" = "xyes"; then
AC_MSG_CHECKING(for TAILQ_FOREACH in sys/queue.h)
AC_EGREP_CPP(yes,
[
#include <sys/queue.h>
#ifdef TAILQ_FOREACH
yes
#endif
], [AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_TAILQFOREACH, 1,
[Define if TAILQ_FOREACH is defined in <sys/queue.h>])],
AC_MSG_RESULT(no)
)
fi
if test "x$ac_cv_header_sys_time_h" = "xyes"; then
AC_MSG_CHECKING(for timeradd in sys/time.h)
AC_EGREP_CPP(yes,
[
#include <sys/time.h>
#ifdef timeradd
yes
#endif
], [ AC_DEFINE(HAVE_TIMERADD, 1,
[Define if timeradd is defined in <sys/time.h>])
AC_MSG_RESULT(yes)] ,AC_MSG_RESULT(no)
)
fi
if test "x$ac_cv_header_sys_time_h" = "xyes"; then
AC_MSG_CHECKING(for timercmp in sys/time.h)
AC_EGREP_CPP(yes,
[
#include <sys/time.h>
#ifdef timercmp
yes
#endif
], [ AC_DEFINE(HAVE_TIMERCMP, 1,
[Define if timercmp is defined in <sys/time.h>])
AC_MSG_RESULT(yes)] ,AC_MSG_RESULT(no)
)
fi
if test "x$ac_cv_header_sys_time_h" = "xyes"; then
AC_MSG_CHECKING(for timerclear in sys/time.h)
AC_EGREP_CPP(yes,
[
#include <sys/time.h>
#ifdef timerclear
yes
#endif
], [ AC_DEFINE(HAVE_TIMERCLEAR, 1,
[Define if timerclear is defined in <sys/time.h>])
AC_MSG_RESULT(yes)] ,AC_MSG_RESULT(no)
)
fi
if test "x$ac_cv_header_sys_time_h" = "xyes"; then
AC_MSG_CHECKING(for timerisset in sys/time.h)
AC_EGREP_CPP(yes,
[
#include <sys/time.h>
#ifdef timerisset
yes
#endif
], [ AC_DEFINE(HAVE_TIMERISSET, 1,
[Define if timerisset is defined in <sys/time.h>])
AC_MSG_RESULT(yes)] ,AC_MSG_RESULT(no)
)
fi
if test "x$ac_cv_header_sys_sysctl_h" = "xyes"; then
AC_CHECK_DECLS([CTL_KERN, KERN_RANDOM, RANDOM_UUID, KERN_ARND], [], [],
[[#include <sys/types.h>
#include <sys/sysctl.h>]]
)
fi
AM_CONDITIONAL(BUILD_WIN32, test x$bwin32 = xtrue)
AM_CONDITIONAL(BUILD_CYGWIN, test x$cygwin = xtrue)
AM_CONDITIONAL(BUILD_WITH_NO_UNDEFINED, test x$bwin32 = xtrue || test x$cygwin = xtrue)
if test x$bwin32 = xtrue; then
AC_SEARCH_LIBS([getservbyname],[ws2_32])
fi
dnl Checks for typedefs, structures, and compiler characteristics.
AC_C_CONST
AC_C_INLINE
AC_HEADER_TIME
dnl Checks for library functions.
AC_CHECK_FUNCS([gettimeofday vasprintf fcntl clock_gettime strtok_r strsep])
AC_CHECK_FUNCS([getnameinfo strlcpy inet_ntop inet_pton signal sigaction strtoll inet_aton pipe eventfd sendfile mmap splice arc4random arc4random_buf arc4random_addrandom issetugid geteuid getegid getprotobynumber setenv unsetenv putenv sysctl])
AC_CHECK_FUNCS([umask])
AC_CACHE_CHECK(
[for getaddrinfo],
[libevent_cv_getaddrinfo],
[AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
]],
[[
getaddrinfo;
]]
)],
[libevent_cv_getaddrinfo=yes],
[libevent_cv_getaddrinfo=no]
)]
)
if test "$libevent_cv_getaddrinfo" = "yes" ; then
AC_DEFINE([HAVE_GETADDRINFO], [1], [Do we have getaddrinfo()?])
else
AC_CHECK_FUNCS([getservbyname])
# Check for gethostbyname_r in all its glorious incompatible versions.
# (This is cut-and-pasted from Tor, which based its logic on
# Python's configure.in.)
AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
[Define this if you have any gethostbyname_r()])
AC_CHECK_FUNC(gethostbyname_r, [
AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
OLD_CFLAGS=$CFLAGS
CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
#include <netdb.h>
], [[
char *cp1, *cp2;
struct hostent *h1, *h2;
int i1, i2;
(void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
]])],[
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
[Define this if gethostbyname_r takes 6 arguments])
AC_MSG_RESULT(6)
], [
AC_TRY_COMPILE([
#include <netdb.h>
], [
char *cp1, *cp2;
struct hostent *h1;
int i1, i2;
(void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
], [
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
[Define this if gethostbyname_r takes 5 arguments])
AC_MSG_RESULT(5)
], [
AC_TRY_COMPILE([
#include <netdb.h>
], [
char *cp1;
struct hostent *h1;
struct hostent_data hd;
(void) gethostbyname_r(cp1,h1,&hd);
], [
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
[Define this if gethostbyname_r takes 3 arguments])
AC_MSG_RESULT(3)
], [
AC_MSG_RESULT(0)
])
])
])
CFLAGS=$OLD_CFLAGS
])
fi
AC_CHECK_SIZEOF(long)
AC_MSG_CHECKING(for F_SETFD in fcntl.h)
AC_EGREP_CPP(yes,
[
#define _GNU_SOURCE
#include <fcntl.h>
#ifdef F_SETFD
yes
#endif
], [ AC_DEFINE(HAVE_SETFD, 1,
[Define if F_SETFD is defined in <fcntl.h>])
AC_MSG_RESULT(yes) ], AC_MSG_RESULT(no))
needsignal=no
haveselect=no
if test x$bwin32 != xtrue; then
AC_CHECK_FUNCS(select, [haveselect=yes], )
if test "x$haveselect" = "xyes" ; then
needsignal=yes
fi
fi
AM_CONDITIONAL(SELECT_BACKEND, [test "x$haveselect" = "xyes"])
havepoll=no
AC_CHECK_FUNCS(poll, [havepoll=yes], )
if test "x$havepoll" = "xyes" ; then
needsignal=yes
fi
AM_CONDITIONAL(POLL_BACKEND, [test "x$havepoll" = "xyes"])
havedevpoll=no
if test "x$ac_cv_header_sys_devpoll_h" = "xyes"; then
AC_DEFINE(HAVE_DEVPOLL, 1,
[Define if /dev/poll is available])
fi
AM_CONDITIONAL(DEVPOLL_BACKEND, [test "x$ac_cv_header_sys_devpoll_h" = "xyes"])
havekqueue=no
if test "x$ac_cv_header_sys_event_h" = "xyes"; then
AC_CHECK_FUNCS(kqueue, [havekqueue=yes], )
if test "x$havekqueue" = "xyes" ; then
AC_MSG_CHECKING(for working kqueue)
AC_TRY_RUN(
#include <sys/types.h>
#include <sys/time.h>
#include <sys/event.h>
#include <stdio.h>
#include <unistd.h>
#include <fcntl.h>
int
main(int argc, char **argv)
{
int kq;
int n;
int fd[[2]];
struct kevent ev;
struct timespec ts;
char buf[[8000]];
if (pipe(fd) == -1)
exit(1);
if (fcntl(fd[[1]], F_SETFL, O_NONBLOCK) == -1)
exit(1);
while ((n = write(fd[[1]], buf, sizeof(buf))) == sizeof(buf))
;
if ((kq = kqueue()) == -1)
exit(1);
memset(&ev, 0, sizeof(ev));
ev.ident = fd[[1]];
ev.filter = EVFILT_WRITE;
ev.flags = EV_ADD | EV_ENABLE;
n = kevent(kq, &ev, 1, NULL, 0, NULL);
if (n == -1)
exit(1);
read(fd[[0]], buf, sizeof(buf));
ts.tv_sec = 0;
ts.tv_nsec = 0;
n = kevent(kq, NULL, 0, &ev, 1, &ts);
if (n == -1 || n == 0)
exit(1);
exit(0);
}, [AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_WORKING_KQUEUE, 1,
[Define if kqueue works correctly with pipes])
havekqueue=yes
], AC_MSG_RESULT(no), AC_MSG_RESULT(no))
fi
fi
AM_CONDITIONAL(KQUEUE_BACKEND, [test "x$havekqueue" = "xyes"])
haveepollsyscall=no
haveepoll=no
AC_CHECK_FUNCS(epoll_ctl, [haveepoll=yes], )
if test "x$haveepoll" = "xyes" ; then
AC_DEFINE(HAVE_EPOLL, 1,
[Define if your system supports the epoll system calls])
needsignal=yes
fi
if test "x$ac_cv_header_sys_epoll_h" = "xyes"; then
if test "x$haveepoll" = "xno" ; then
AC_MSG_CHECKING(for epoll system call)
AC_TRY_RUN(
#include <stdint.h>
#include <sys/param.h>
#include <sys/types.h>
#include <sys/syscall.h>
#include <sys/epoll.h>
#include <unistd.h>
int
epoll_create(int size)
{
return (syscall(__NR_epoll_create, size));
}
int
main(int argc, char **argv)
{
int epfd;
epfd = epoll_create(256);
exit (epfd == -1 ? 1 : 0);
}, [AC_MSG_RESULT(yes)
AC_DEFINE(HAVE_EPOLL, 1,
[Define if your system supports the epoll system calls])
needsignal=yes
have_epoll=yes
AC_LIBOBJ(epoll_sub)
], AC_MSG_RESULT(no), AC_MSG_RESULT(no))
fi
fi
AM_CONDITIONAL(EPOLL_BACKEND, [test "x$haveepoll" = "xyes"])
haveeventports=no
AC_CHECK_FUNCS(port_create, [haveeventports=yes], )
if test "x$haveeventports" = "xyes" ; then
AC_DEFINE(HAVE_EVENT_PORTS, 1,
[Define if your system supports event ports])
needsignal=yes
fi
AM_CONDITIONAL(EVPORT_BACKEND, [test "x$haveeventports" = "xyes"])
if test "x$bwin32" = "xtrue"; then
needsignal=yes
fi
AM_CONDITIONAL(SIGNAL_SUPPORT, [test "x$needsignal" = "xyes"])
AC_TYPE_PID_T
AC_TYPE_SIZE_T
AC_TYPE_SSIZE_T
AC_CHECK_TYPES([uint64_t, uint32_t, uint16_t, uint8_t, uintptr_t], , ,
[#ifdef HAVE_STDINT_H
#include <stdint.h>
#elif defined(HAVE_INTTYPES_H)
#include <inttypes.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif])
AC_CHECK_TYPES([fd_mask], , ,
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SELECT_H
#include <sys/select.h>
#endif])
AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(size_t)
AC_CHECK_SIZEOF(void *)
AC_CHECK_SIZEOF(off_t)
AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t, struct addrinfo, struct sockaddr_storage], , ,
[#define _GNU_SOURCE
#include <sys/types.h>
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETINET_IN6_H
#include <netinet/in6.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef HAVE_NETDB_H
#include <netdb.h>
#endif
#ifdef WIN32
#define WIN32_WINNT 0x400
#define _WIN32_WINNT 0x400
#define WIN32_LEAN_AND_MEAN
#if defined(_MSC_VER) && (_MSC_VER < 1300)
#include <winsock.h>
#else
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
#endif
])
AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len, struct sockaddr_storage.ss_family, struct sockaddr_storage.__ss_family], , ,
[#include <sys/types.h>
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETINET_IN6_H
#include <netinet/in6.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef WIN32
#define WIN32_WINNT 0x400
#define _WIN32_WINNT 0x400
#define WIN32_LEAN_AND_MEAN
#if defined(_MSC_VER) && (_MSC_VER < 1300)
#include <winsock.h>
#else
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
#endif
])
AC_MSG_CHECKING([for socklen_t])
AC_TRY_COMPILE([
#include <sys/types.h>
#include <sys/socket.h>],
[socklen_t x;],
AC_MSG_RESULT([yes]),
[AC_MSG_RESULT([no])
AC_DEFINE(socklen_t, unsigned int,
[Define to unsigned int if you dont have it])]
)
AC_MSG_CHECKING([whether our compiler supports __func__])
AC_TRY_COMPILE([],
[ const char *cp = __func__; ],
AC_MSG_RESULT([yes]),
AC_MSG_RESULT([no])
AC_MSG_CHECKING([whether our compiler supports __FUNCTION__])
AC_TRY_COMPILE([],
[ const char *cp = __FUNCTION__; ],
AC_MSG_RESULT([yes])
AC_DEFINE(__func__, __FUNCTION__,
[Define to appropriate substitue if compiler doesnt have __func__]),
AC_MSG_RESULT([no])
AC_DEFINE(__func__, __FILE__,
[Define to appropriate substitue if compiler doesnt have __func__])))
# check if we can compile with pthreads
have_pthreads=no
if test x$bwin32 != xtrue && test "$enable_thread_support" != "no"; then
ACX_PTHREAD([
AC_DEFINE(HAVE_PTHREADS, 1,
[Define if we have pthreads on this system])
have_pthreads=yes])
CFLAGS="$CFLAGS $PTHREAD_CFLAGS"
AC_CHECK_SIZEOF(pthread_t, ,
[AC_INCLUDES_DEFAULT()
#include <pthread.h> ]
)
fi
AM_CONDITIONAL(PTHREADS, [test "$have_pthreads" != "no" && test "$enable_thread_support" != "no"])
# check if we should compile locking into the library
if test x$enable_thread_support = xno; then
AC_DEFINE(DISABLE_THREAD_SUPPORT, 1,
[Define if libevent should not be compiled with thread support])
fi
# check if we should hard-code the mm functions.
if test x$enable_malloc_replacement = xno; then
AC_DEFINE(DISABLE_MM_REPLACEMENT, 1,
[Define if libevent should not allow replacing the mm functions])
fi
# check if we should hard-code debugging out
if test x$enable_debug_mode = xno; then
AC_DEFINE(DISABLE_DEBUG_MODE, 1,
[Define if libevent should build without support for a debug mode])
fi
# check if we have and should use openssl
AM_CONDITIONAL(OPENSSL, [test "$enable_openssl" != "no" && test "$have_openssl" = "yes"])
# Add some more warnings which we use in development but not in the
# released versions. (Some relevant gcc versions can't handle these.)
if test x$enable_gcc_warnings = xyes && test "$GCC" = "yes"; then
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
#if !defined(__GNUC__) || (__GNUC__ < 4)
#error
#endif])], have_gcc4=yes, have_gcc4=no)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
#if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
#error
#endif])], have_gcc42=yes, have_gcc42=no)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
#if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 5)
#error
#endif])], have_gcc45=yes, have_gcc45=no)
AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
#if !defined(__clang__)
#error
#endif])], have_clang=yes, have_clang=no)
CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
CFLAGS="$CFLAGS -Wno-unused-parameter -Wstrict-aliasing"
if test x$have_gcc4 = xyes ; then
# These warnings break gcc 3.3.5 and work on gcc 4.0.2
CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement"
#CFLAGS="$CFLAGS -Wold-style-definition"
fi
if test x$have_gcc42 = xyes ; then
# These warnings break gcc 4.0.2 and work on gcc 4.2
CFLAGS="$CFLAGS -Waddress"
fi
if test x$have_gcc42 = xyes && test x$have_clang = xno; then
# These warnings break gcc 4.0.2 and clang, but work on gcc 4.2
CFLAGS="$CFLAGS -Wnormalized=id -Woverride-init"
fi
if test x$have_gcc45 = xyes ; then
# These warnings work on gcc 4.5
CFLAGS="$CFLAGS -Wlogical-op"
fi
if test x$have_clang = xyes; then
# Disable the unused-function warnings, because these trigger
# for minheap-internal.h related code.
CFLAGS="$CFLAGS -Wno-unused-function"
# clang on macosx emits warnigns for each directory specified which
# isn't "used" generating a lot of build noise (typically 3 warnings
# per file
case "$host_os" in
darwin*)
CFLAGS="$CFLAGS -Qunused-arguments"
;;
esac
fi
##This will break the world on some 64-bit architectures
# CFLAGS="$CFLAGS -Winline"
fi
LIBEVENT_GC_SECTIONS=
if test "$GCC" = yes && test "$enable_function_sections" = yes ; then
AC_CACHE_CHECK(
[if linker supports omitting unused code and data],
[libevent_cv_gc_sections_runs],
[
dnl NetBSD will link but likely not run with --gc-sections
dnl http://bugs.ntp.org/1844
dnl http://gnats.netbsd.org/40401
dnl --gc-sections causes attempt to load as linux elf, with
dnl wrong syscalls in place. Test a little gauntlet of
dnl simple stdio read code checking for errors, expecting
dnl enough syscall differences that the NetBSD code will
dnl fail even with Linux emulation working as designed.
dnl A shorter test could be refined by someone with access
dnl to a NetBSD host with Linux emulation working.
origCFLAGS="$CFLAGS"
CFLAGS="$CFLAGS -Wl,--gc-sections"
AC_LINK_IFELSE(
[AC_LANG_PROGRAM(
[[
#include <stdlib.h>
#include <stdio.h>
]],
[[
FILE * fpC;
char buf[32];
size_t cch;
int read_success_once;
fpC = fopen("conftest.c", "r");
if (NULL == fpC)
exit(1);
do {
cch = fread(buf, sizeof(buf), 1, fpC);
read_success_once |= (0 != cch);
} while (0 != cch);
if (!read_success_once)
exit(2);
if (!feof(fpC))
exit(3);
if (0 != fclose(fpC))
exit(4);
exit(EXIT_SUCCESS);
]]
)],
[
dnl We have to do this invocation manually so that we can
dnl get the output of conftest.err to make sure it doesn't
dnl mention gc-sections.
if test "X$cross_compiling" = "Xyes" || grep gc-sections conftest.err ; then
libevent_cv_gc_sections_runs=no
else
libevent_cv_gc_sections_runs=no
./conftest >/dev/null 2>&1 && libevent_cv_gc_sections_runs=yes
fi
],
[libevent_cv_gc_sections_runs=no]
)
CFLAGS="$origCFLAGS"
AS_UNSET([origCFLAGS])
]
)
case "$libevent_cv_gc_sections_runs" in
yes)
CFLAGS="-ffunction-sections -fdata-sections $CFLAGS"
LIBEVENT_GC_SECTIONS="-Wl,--gc-sections"
;;
esac
fi
AC_SUBST([LIBEVENT_GC_SECTIONS])
AM_CONDITIONAL([INSTALL_LIBEVENT], [test "$enable_libevent_install" = "yes"])
AC_CONFIG_FILES( [libevent.pc libevent_openssl.pc libevent_pthreads.pc libevent_core.pc libevent_extra.pc] )
AC_OUTPUT(Makefile include/Makefile test/Makefile)
|