1 dnl Copyright (c) 2001-2004, Roger Dingledine
2 dnl Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson
3 dnl Copyright (c) 2007-2008, The Tor Project, Inc.
4 dnl See LICENSE for licensing information
7 AM_INIT_AUTOMAKE(tor, 0.2.3.9-alpha)
8 AM_CONFIG_HEADER(orconfig.h)
12 if test -f /etc/redhat-release ; then
13 if test -f /usr/kerberos/include ; then
14 CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
18 # Not a no-op; we want to make sure that CPPFLAGS is set before we use
19 # the += operator on it in src/or/Makefile.am
20 CPPFLAGS="$CPPFLAGS -I\${top_srcdir}/src/common"
22 #XXXX020 We should make these enabled or not, before 0.2.0.x-final
23 AC_ARG_ENABLE(buf-freelists,
24 AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM))
25 AC_ARG_ENABLE(openbsd-malloc,
26 AS_HELP_STRING(--enable-openbsd-malloc, Use malloc code from openbsd. Linux only))
27 AC_ARG_ENABLE(instrument-downloads,
28 AS_HELP_STRING(--enable-instrument-downloads, Instrument downloads of directory resources etc.))
29 AC_ARG_ENABLE(static-openssl,
30 AS_HELP_STRING(--enable-static-openssl, Link against a static openssl library. Requires --with-openssl-dir))
31 AC_ARG_ENABLE(static-libevent,
32 AS_HELP_STRING(--enable-static-libevent, Link against a static libevent library. Requires --with-libevent-dir))
33 AC_ARG_ENABLE(static-zlib,
34 AS_HELP_STRING(--enable-static-zlib, Link against a static zlib library. Requires --with-zlib-dir))
35 AC_ARG_ENABLE(static-tor,
36 AS_HELP_STRING(--enable-static-tor, Create an entirely static Tor binary. Requires --with-openssl-dir and --with-libevent-dir and --with-zlib-dir))
38 if test "$enable_static_tor" = "yes"; then
39 enable_static_libevent="yes";
40 enable_static_openssl="yes";
41 enable_static_zlib="yes";
42 CFLAGS="$CFLAGS -static"
45 if test x$enable_buf_freelists != xno; then
46 AC_DEFINE(ENABLE_BUF_FREELISTS, 1,
47 [Defined if we try to use freelists for buffer RAM chunks])
49 AM_CONDITIONAL(USE_OPENBSD_MALLOC, test x$enable_openbsd_malloc = xyes)
50 if test x$enable_instrument_downloads = xyes; then
51 AC_DEFINE(INSTRUMENT_DOWNLOADS, 1,
52 [Defined if we want to keep track of how much of each kind of resource we download.])
55 AC_ARG_ENABLE(transparent,
56 AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
57 [case "${enableval}" in
58 yes) transparent=true ;;
59 no) transparent=false ;;
60 *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
61 esac], [transparent=true])
63 AC_ARG_ENABLE(asciidoc,
64 AS_HELP_STRING(--disable-asciidoc, don't use asciidoc (disables building of manpages)),
65 [case "${enableval}" in
68 *) AC_MSG_ERROR(bad value for --disable-asciidoc) ;;
69 esac], [asciidoc=true])
71 # By default, we're not ready to ship a NAT-PMP aware Tor
72 AC_ARG_ENABLE(nat-pmp,
73 AS_HELP_STRING(--enable-nat-pmp, enable NAT-PMP support),
74 [case "${enableval}" in
77 * ) AC_MSG_ERROR(bad value for --enable-nat-pmp) ;;
78 esac], [natpmp=false])
80 # By default, we're not ready to ship a UPnP aware Tor
82 AS_HELP_STRING(--enable-upnp, enable UPnP support),
83 [case "${enableval}" in
86 * ) AC_MSG_ERROR(bad value for --enable-upnp) ;;
90 AC_ARG_ENABLE(threads,
91 AS_HELP_STRING(--disable-threads, disable multi-threading support))
93 if test x$enable_threads = x; then
96 # Don't try multithreading on solaris -- cpuworkers seem to lock.
97 AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
98 cpu workers lock up here, so I will disable threads.])
101 enable_threads="yes";;
105 if test "$enable_threads" = "yes"; then
106 AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
111 AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
115 AC_ARG_ENABLE(gcc-warnings,
116 AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
117 AC_ARG_ENABLE(gcc-warnings-advisory,
118 AS_HELP_STRING(--enable-gcc-warnings-advisory, [enable verbose warnings, excluding -Werror]))
120 dnl Adam shostack suggests the following for Windows:
121 dnl -D_FORTIFY_SOURCE=2 -fstack-protector-all
122 dnl Others suggest '/gs /safeseh /nxcompat /dynamicbase' for non-gcc on Windows
123 dnl This requires that we use gcc and that we add -O2 to the CFLAGS.
124 AC_ARG_ENABLE(gcc-hardening,
125 AS_HELP_STRING(--enable-gcc-hardening, enable compiler security checks),
126 [if test x$enableval = xyes; then
127 CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2 -fstack-protector-all"
128 CFLAGS="$CFLAGS -fwrapv -fPIE -Wstack-protector"
129 CFLAGS="$CFLAGS --param ssp-buffer-size=1"
130 LDFLAGS="$LDFLAGS -pie"
133 dnl Linker hardening options
134 dnl Currently these options are ELF specific - you can't use this with MacOSX
135 AC_ARG_ENABLE(linker-hardening,
136 AS_HELP_STRING(--enable-linker-hardening, enable linker security fixups),
137 [if test x$enableval = xyes; then
138 LDFLAGS="$LDFLAGS -z relro -z now"
141 AC_ARG_ENABLE(local-appdata,
142 AS_HELP_STRING(--enable-local-appdata, default to host local application data paths on Windows))
143 if test "$enable_local_appdata" = "yes"; then
144 AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
145 [Defined if we default to host local appdata paths on Windows])
149 AC_ARG_ENABLE(tor2web-mode,
150 AS_HELP_STRING(--enable-tor2web-mode, support tor2web non-anonymous mode),
151 [if test x$enableval = xyes; then
152 CFLAGS="$CFLAGS -D ENABLE_TOR2WEB_MODE=1"
155 AC_ARG_ENABLE(bufferevents,
156 AS_HELP_STRING(--enable-bufferevents, use Libevent's buffered IO.))
158 dnl check for the correct "ar" when cross-compiling
159 AN_MAKEVAR([AR], [AC_PROG_AR])
160 AN_PROGRAM([ar], [AC_PROG_AR])
161 AC_DEFUN([AC_PROG_AR], [AC_CHECK_TOOL([AR], [ar], [ar])])
169 dnl autoconf 2.59 appears not to support AC_PROG_SED
170 AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
172 dnl check for asciidoc and a2x
173 AC_PATH_PROG([ASCIIDOC], [asciidoc], none)
174 AC_PATH_PROG([A2X], [a2x], none)
176 AM_CONDITIONAL(USE_ASCIIDOC, test x$asciidoc = xtrue)
178 AM_CONDITIONAL(USE_FW_HELPER, test x$natpmp = xtrue || test x$upnp = xtrue)
179 AM_CONDITIONAL(NAT_PMP, test x$natpmp = xtrue)
180 AM_CONDITIONAL(MINIUPNPC, test x$upnp = xtrue)
183 ifdef([AC_C_FLEXIBLE_ARRAY_MEMBER], [
184 AC_C_FLEXIBLE_ARRAY_MEMBER
186 dnl Maybe we've got an old autoconf...
187 AC_CACHE_CHECK([for flexible array members],
191 struct abc { int a; char b[]; };
193 struct abc *def = malloc(sizeof(struct abc)+sizeof(char));
196 [tor_cv_c_flexarray=yes],
197 [tor_cv_c_flexarray=no])])
198 if test $tor_cv_flexarray = yes ; then
199 AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [], [Define to nothing if C supports flexible array members, and to 1 if it does not.])
201 AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [1], [Define to nothing if C supports flexible array members, and to 1 if it does not.])
205 AC_PATH_PROG([SHA1SUM], [sha1sum], none)
206 AC_PATH_PROG([OPENSSL], [openssl], none)
209 AC_ARG_WITH(tor-user,
210 [ --with-tor-user=NAME Specify username for tor daemon ],
218 AC_ARG_WITH(tor-group,
219 [ --with-tor-group=NAME Specify group name for tor daemon ],
227 dnl If WIN32 is defined and non-zero, we are building for win32
228 AC_MSG_CHECKING([for win32])
229 AC_RUN_IFELSE([AC_LANG_SOURCE([
230 int main(int c, char **v) {
241 bwin32=true; AC_MSG_RESULT([yes]),
242 bwin32=false; AC_MSG_RESULT([no]),
243 bwin32=cross; AC_MSG_RESULT([cross])
246 if test "$bwin32" = cross; then
247 AC_MSG_CHECKING([for win32 (cross)])
248 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
250 int main(int c, char **v) {return 0;}
253 int main(int c, char **v) {return x(y);}
256 bwin32=true; AC_MSG_RESULT([yes]),
257 bwin32=false; AC_MSG_RESULT([no]))
260 if test "$bwin32" = true; then
261 AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
263 AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
265 dnl Enable C99 when compiling with MIPSpro
266 AC_MSG_CHECKING([for MIPSpro compiler])
267 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [
268 #if (defined(__sgi) && defined(_COMPILER_VERSION))
273 bmipspro=false; AC_MSG_RESULT(no),
274 bmipspro=true; AC_MSG_RESULT(yes))
276 if test "$bmipspro" = true; then
277 CFLAGS="$CFLAGS -c99"
282 AC_SEARCH_LIBS(socket, [socket])
283 AC_SEARCH_LIBS(gethostbyname, [nsl])
284 AC_SEARCH_LIBS(dlopen, [dl])
285 AC_SEARCH_LIBS(inet_aton, [resolv])
286 AC_SEARCH_LIBS([clock_gettime], [rt], [have_rt=yes])
288 if test "$enable_threads" = "yes"; then
289 AC_SEARCH_LIBS(pthread_create, [pthread])
290 AC_SEARCH_LIBS(pthread_detach, [pthread])
293 dnl -------------------------------------------------------------------
294 dnl Check for functions before libevent, since libevent-1.2 apparently
295 dnl exports strlcpy without defining it in a header.
323 using_custom_malloc=no
324 if test x$enable_openbsd_malloc = xyes ; then
325 AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
326 using_custom_malloc=yes
328 if test x$tcmalloc = xyes ; then
329 using_custom_malloc=yes
331 if test $using_custom_malloc = no ; then
332 AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
335 if test "$enable_threads" = "yes"; then
336 AC_CHECK_HEADERS(pthread.h)
337 AC_CHECK_FUNCS(pthread_create)
340 dnl ------------------------------------------------------
341 dnl Where do you live, libevent? And how do we call you?
343 if test "$bwin32" = true; then
344 TOR_LIB_WS32=-lws2_32
345 TOR_LIB_IPHLPAPI=-liphlpapi
346 # Some of the cargo-cults recommend -lwsock32 as well, but I don't
347 # think it's actually necessary.
353 AC_SUBST(TOR_LIB_WS32)
354 AC_SUBST(TOR_LIB_GDI)
355 AC_SUBST(TOR_LIB_IPHLPAPI)
357 dnl We need to do this before we try our disgusting hack below.
358 AC_CHECK_HEADERS([sys/types.h])
360 dnl This is a disgusting hack so we safely include older libevent headers.
361 AC_CHECK_TYPE(u_int64_t, unsigned long long)
362 AC_CHECK_TYPE(u_int32_t, unsigned long)
363 AC_CHECK_TYPE(u_int16_t, unsigned short)
364 AC_CHECK_TYPE(u_int8_t, unsigned char)
366 tor_libevent_pkg_redhat="libevent"
367 tor_libevent_pkg_debian="libevent-dev"
368 tor_libevent_devpkg_redhat="libevent-devel"
369 tor_libevent_devpkg_debian="libevent-dev"
371 dnl On Gnu/Linux or any place we require it, we'll add librt to the Libevent
372 dnl linking for static builds.
373 STATIC_LIBEVENT_FLAGS=""
374 if test "$enable_static_libevent" = "yes"; then
375 if test "$have_rt" = yes; then
376 STATIC_LIBEVENT_FLAGS=" -lrt "
380 TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32], [
382 #include <winsock2.h>
385 #include <sys/time.h>
386 #include <sys/types.h>
387 #include <event.h>], [
389 #include <winsock2.h>
391 void exit(int); void *event_init(void);],
394 {WSADATA d; WSAStartup(0x101,&d); }
396 event_init(); exit(0);
397 ], [--with-libevent-dir], [/opt/libevent])
399 dnl Now check for particular libevent functions.
401 save_LDFLAGS="$LDFLAGS"
402 save_CPPFLAGS="$CPPFLAGS"
403 LIBS="-levent $STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32 $LIBS"
404 LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
405 CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
406 AC_CHECK_FUNCS(event_get_version event_get_version_number event_get_method event_set_log_callback evdns_set_outgoing_bind_address event_base_loopexit)
407 AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
411 AC_CHECK_HEADERS(event2/event.h event2/dns.h event2/bufferevent_ssl.h)
414 LDFLAGS="$save_LDFLAGS"
415 CPPFLAGS="$save_CPPFLAGS"
418 AM_CONDITIONAL(USE_EXTERNAL_EVDNS, test x$ac_cv_header_event2_dns_h = xyes)
420 if test "$enable_static_libevent" = "yes"; then
421 if test "$tor_cv_library_libevent_dir" = "(system)"; then
422 AC_MSG_ERROR("You must specify an explicit --with-libevent-dir=x option when using --enable-static-libevent")
424 TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent.a $STATIC_LIBEVENT_FLAGS"
427 TOR_LIBEVENT_LIBS="-levent"
430 dnl This isn't the best test for Libevent 2.0.3-alpha. Once it's released,
431 dnl we can do much better.
432 if test "$enable_bufferevents" = "yes" ; then
433 if test "$ac_cv_header_event2_bufferevent_ssl_h" != "yes" ; then
434 AC_MSG_ERROR([You've asked for bufferevent support, but you're using a version of Libevent without SSL support. This won't work. We need Libevent 2.0.8-rc or later, and you don't seem to even have Libevent 2.0.3-alpha.])
437 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent"
439 # Check for the right version. First see if version detection works.
440 AC_MSG_CHECKING([whether we can detect the Libevent version])
441 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
442 #include <event2/event.h>
443 #if !defined(LIBEVENT_VERSION_NUMBER) || LIBEVENT_VERSION_NUMBER < 10
449 ])], [event_version_number_works=yes; AC_MSG_RESULT([yes]) ],
450 [event_version_number_works=no; AC_MSG_RESULT([no])])
451 if test "$event_version_number_works" != 'yes'; then
452 AC_MSG_WARN([Version detection on Libevent seems broken. Your Libevent installation is probably screwed up or very old.])
454 AC_MSG_CHECKING([whether Libevent is new enough for bufferevents])
455 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
456 #include <event2/event.h>
457 #if !defined(LIBEVENT_VERSION_NUMBER) || LIBEVENT_VERSION_NUMBER < 0x02000d00
463 ])], [ AC_MSG_RESULT([yes]) ],
464 [ AC_MSG_RESULT([no])
465 AC_MSG_ERROR([Libevent does not seem new enough to support bufferevents. We require 2.0.13-stable or later]) ] )
471 LDFLAGS="$save_LDFLAGS"
472 CPPFLAGS="$save_CPPFLAGS"
474 AM_CONDITIONAL(USE_BUFFEREVENTS, test "$enable_bufferevents" = "yes")
475 if test "$enable_bufferevents" = "yes"; then
476 AC_DEFINE(USE_BUFFEREVENTS, 1, [Defined if we're going to use Libevent's buffered IO API])
477 if test "$enable_static_libevent" = "yes"; then
478 TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent_openssl.a $TOR_LIBEVENT_LIBS"
480 TOR_LIBEVENT_LIBS="-levent_openssl $TOR_LIBEVENT_LIBS"
483 AC_SUBST(TOR_LIBEVENT_LIBS)
485 dnl ------------------------------------------------------
486 dnl Where do you live, openssl? And how do we call you?
488 tor_openssl_pkg_redhat="openssl"
489 tor_openssl_pkg_debian="libssl"
490 tor_openssl_devpkg_redhat="openssl-devel"
491 tor_openssl_devpkg_debian="libssl-dev"
493 ALT_openssl_WITHVAL=""
495 [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
497 if test "x$withval" != xno && test "x$withval" != "x" ; then
498 ALT_openssl_WITHVAL="$withval"
502 TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
503 [#include <openssl/rand.h>],
504 [void RAND_add(const void *buf, int num, double entropy);],
505 [RAND_add((void*)0,0,0); exit(0);], [],
506 [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
508 dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
510 echo "tor_cv_library_openssl_dir is $tor_cv_library_openssl_dir"
511 if test "$enable_static_openssl" = "yes"; then
512 if test "$tor_cv_library_openssl_dir" = "(system)"; then
513 AC_MSG_ERROR("You must specify an explicit --with-openssl-dir=x option when using --enable-static-openssl")
515 TOR_OPENSSL_LIBS="$TOR_LIBDIR_openssl/libssl.a $TOR_LIBDIR_openssl/libcrypto.a"
518 TOR_OPENSSL_LIBS="-lssl -lcrypto"
520 AC_SUBST(TOR_OPENSSL_LIBS)
522 dnl ------------------------------------------------------
523 dnl Where do you live, zlib? And how do we call you?
525 tor_zlib_pkg_redhat="zlib"
526 tor_zlib_pkg_debian="zlib1g"
527 tor_zlib_devpkg_redhat="zlib-devel"
528 tor_zlib_devpkg_debian="zlib1g-dev"
530 TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
532 [const char * zlibVersion(void);],
533 [zlibVersion(); exit(0);], [--with-zlib-dir],
536 if test "$enable_static_zlib" = "yes"; then
537 if test "$tor_cv_library_zlib_dir" = "(system)"; then
538 AC_MSG_ERROR("You must specify an explicit --with-zlib-dir=x option when
539 using --enable-static-zlib")
541 TOR_ZLIB_LIBS="$TOR_LIBDIR_zlib/libz.a"
542 echo "$TOR_LIBDIR_zlib/libz.a"
547 AC_SUBST(TOR_ZLIB_LIBS)
549 dnl Make sure to enable support for large off_t if available.
552 dnl ------------------------------------------------------
553 dnl Where do you live, libnatpmp? And how do we call you?
554 dnl There are no packages for Debian or Redhat as of this patch
556 if test "$natpmp" = "true"; then
557 AC_DEFINE(NAT_PMP, 1, [Define to 1 if we are building with nat-pmp.])
558 TOR_SEARCH_LIBRARY(libnatpmp, $trylibnatpmpdir, [-lnatpmp $TOR_LIB_WS32 $TOR_LIB_IPHLPAPI],
559 [#include <natpmp.h>],
563 #include <natpmp.h>],
566 natpmpresp_t response;
567 r = initnatpmp(&natpmp, 0, 0);],
568 [printf("initnatpmp() returned %d (%s)\n", r, r?"FAILED":"SUCCESS");
570 [--with-libnatpmp-dir],
575 dnl ------------------------------------------------------
576 dnl Where do you live, libminiupnpc? And how do we call you?
577 dnl There are no packages for Debian or Redhat as of this patch
579 if test "$upnp" = "true"; then
580 AC_DEFINE(MINIUPNPC, 1, [Define to 1 if we are building with UPnP.])
581 TOR_SEARCH_LIBRARY(libminiupnpc, $trylibminiupnpcdir, [-lminiupnpc $TOR_LIB_WS32 $TOR_LIB_IPHLPAPI],
582 [#include <miniupnpc/miniwget.h>
583 #include <miniupnpc/miniupnpc.h>
584 #include <miniupnpc/upnpcommands.h>],
585 [void upnpDiscover(int delay, const char * multicastif,
586 const char * minissdpdsock, int sameport);],
587 [upnpDiscover(1, 0, 0, 0); exit(0);],
588 [--with-libminiupnpc-dir],
606 , , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
608 dnl These headers are not essential
643 TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
644 [#ifdef HAVE_MALLOC_H
647 #ifdef HAVE_MALLOC_MALLOC_H
648 #include <malloc/malloc.h>
651 AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
652 [#ifdef HAVE_SYS_TYPES_H
653 #include <sys/types.h>
655 #ifdef HAVE_SYS_SOCKET_H
656 #include <sys/socket.h>
658 AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
659 [#ifdef HAVE_SYS_TYPES_H
660 #include <sys/types.h>
662 #ifdef HAVE_SYS_SOCKET_H
663 #include <sys/socket.h>
668 AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
669 linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
670 [#ifdef HAVE_SYS_TYPES_H
671 #include <sys/types.h>
673 #ifdef HAVE_SYS_SOCKET_H
674 #include <sys/socket.h>
679 #ifdef HAVE_LINUX_TYPES_H
680 #include <linux/types.h>
682 #ifdef HAVE_NETINET_IN6_H
683 #include <netinet/in6.h>
685 #ifdef HAVE_NETINET_IN_H
686 #include <netinet/in.h>
689 if test x$transparent = xtrue ; then
691 if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
694 if test x$linux_netfilter_ipv4 = x1 ; then
697 if test x$transparent_ok = x1 ; then
698 AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
701 AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
704 AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
708 AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
709 [#ifdef HAVE_SYS_TYPES_H
710 #include <sys/types.h>
712 #ifdef HAVE_SYS_TIME_H
713 #include <sys/time.h>
716 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
719 AC_CHECK_SIZEOF(int8_t)
720 AC_CHECK_SIZEOF(int16_t)
721 AC_CHECK_SIZEOF(int32_t)
722 AC_CHECK_SIZEOF(int64_t)
723 AC_CHECK_SIZEOF(uint8_t)
724 AC_CHECK_SIZEOF(uint16_t)
725 AC_CHECK_SIZEOF(uint32_t)
726 AC_CHECK_SIZEOF(uint64_t)
727 AC_CHECK_SIZEOF(intptr_t)
728 AC_CHECK_SIZEOF(uintptr_t)
730 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
732 AC_CHECK_SIZEOF(char)
733 AC_CHECK_SIZEOF(short)
735 AC_CHECK_SIZEOF(long)
736 AC_CHECK_SIZEOF(long long)
737 AC_CHECK_SIZEOF(__int64)
738 AC_CHECK_SIZEOF(void *)
739 AC_CHECK_SIZEOF(time_t)
740 AC_CHECK_SIZEOF(size_t)
742 AC_CHECK_TYPES([uint, u_char, ssize_t])
744 dnl used to include sockaddr_storage, but everybody has that.
745 AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
746 [#ifdef HAVE_SYS_TYPES_H
747 #include <sys/types.h>
749 #ifdef HAVE_NETINET_IN_H
750 #include <netinet/in.h>
752 #ifdef HAVE_NETINET_IN6_H
753 #include <netinet/in6.h>
755 #ifdef HAVE_SYS_SOCKET_H
756 #include <sys/socket.h>
759 #define WIN32_WINNT 0x400
760 #define _WIN32_WINNT 0x400
761 #define WIN32_LEAN_AND_MEAN
762 #if defined(_MSC_VER) && (_MSC_VER < 1300)
765 #include <winsock2.h>
766 #include <ws2tcpip.h>
770 AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
771 [#ifdef HAVE_SYS_TYPES_H
772 #include <sys/types.h>
774 #ifdef HAVE_NETINET_IN_H
775 #include <netinet/in.h>
777 #ifdef HAVE_NETINET_IN6_H
778 #include <netinet/in6.h>
780 #ifdef HAVE_SYS_SOCKET_H
781 #include <sys/socket.h>
784 #define WIN32_WINNT 0x400
785 #define _WIN32_WINNT 0x400
786 #define WIN32_LEAN_AND_MEAN
787 #if defined(_MSC_VER) && (_MSC_VER < 1300)
790 #include <winsock2.h>
791 #include <ws2tcpip.h>
796 AC_CHECK_TYPES([rlim_t], , ,
797 [#ifdef HAVE_SYS_TYPES_H
798 #include <sys/types.h>
800 #ifdef HAVE_SYS_TIME_H
801 #include <sys/time.h>
803 #ifdef HAVE_SYS_RESOURCE_H
804 #include <sys/resource.h>
808 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
809 AC_RUN_IFELSE([AC_LANG_SOURCE([
810 #ifdef HAVE_SYS_TYPES_H
811 #include <sys/types.h>
813 #ifdef HAVE_SYS_TIME_H
814 #include <sys/time.h>
819 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }])],
820 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
823 if test "$tor_cv_time_t_signed" = cross; then
824 AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
827 if test "$tor_cv_time_t_signed" != no; then
828 AC_DEFINE([TIME_T_IS_SIGNED], 1,
829 [Define to 1 iff time_t is signed])
832 AC_CACHE_CHECK([whether size_t is signed], tor_cv_size_t_signed, [
833 AC_RUN_IFELSE([AC_LANG_SOURCE([
834 #ifdef HAVE_SYS_TYPES_H
835 #include <sys/types.h>
837 int main(int c, char**v) { if (((size_t)-1)<0) return 1; else return 0; }])],
838 tor_cv_size_t_signed=no, tor_cv_size_t_signed=yes, tor_cv_size_t_signed=cross)
841 if test "$tor_cv_size_t_signed" = cross; then
842 AC_MSG_NOTICE([Cross compiling: assuming that size_t is not signed.])
845 if test "$tor_cv_size_t_signed" = yes; then
846 AC_MSG_ERROR([You have a signed size_t; that's grossly nonconformant.])
849 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
850 #ifdef HAVE_SYS_SOCKET_H
851 #include <sys/socket.h>
855 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
857 AC_CHECK_SIZEOF(cell_t)
859 # Now make sure that NULL can be represented as zero bytes.
860 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
861 [AC_RUN_IFELSE([AC_LANG_SOURCE(
862 [[#include <stdlib.h>
868 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
869 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
870 [tor_cv_null_is_zero=yes],
871 [tor_cv_null_is_zero=no],
872 [tor_cv_null_is_zero=cross])])
874 if test "$tor_cv_null_is_zero" = cross ; then
875 # Cross-compiling; let's hope that the target isn't raving mad.
876 AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
879 if test "$tor_cv_null_is_zero" != no; then
880 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
881 [Define to 1 iff memset(0) sets pointers to NULL])
884 # And what happens when we malloc zero?
885 AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
886 [AC_RUN_IFELSE([AC_LANG_SOURCE(
887 [[#include <stdlib.h>
893 int main () { return malloc(0)?0:1; }]])],
894 [tor_cv_malloc_zero_works=yes],
895 [tor_cv_malloc_zero_works=no],
896 [tor_cv_malloc_zero_works=cross])])
898 if test "$tor_cv_malloc_zero_works" = cross; then
899 # Cross-compiling; let's hope that the target isn't raving mad.
900 AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
903 if test "$tor_cv_malloc_zero_works" = yes; then
904 AC_DEFINE([MALLOC_ZERO_WORKS], 1,
905 [Define to 1 iff malloc(0) returns a pointer])
908 # whether we seem to be in a 2s-complement world.
909 AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
910 [AC_RUN_IFELSE([AC_LANG_SOURCE(
911 [[int main () { int problem = ((-99) != (~99)+1);
912 return problem ? 1 : 0; }]])],
913 [tor_cv_twos_complement=yes],
914 [tor_cv_twos_complement=no],
915 [tor_cv_twos_complement=cross])])
917 if test "$tor_cv_twos_complement" = cross ; then
918 # Cross-compiling; let's hope that the target isn't raving mad.
919 AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
922 if test "$tor_cv_twos_complement" != no ; then
923 AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
924 [Define to 1 iff we represent negative integers with two's complement])
927 # What does shifting a negative value do?
928 AC_CACHE_CHECK([whether right-shift on negative values does sign-extension], tor_cv_sign_extend,
929 [AC_RUN_IFELSE([AC_LANG_SOURCE(
930 [[int main () { int okay = (-60 >> 8) == -1; return okay ? 0 : 1; }]])],
931 [tor_cv_sign_extend=yes],
932 [tor_cv_sign_extend=no],
933 [tor_cv_sign_extend=cross])])
935 if test "$tor_cv_sign_extend" = cross ; then
936 # Cross-compiling; let's hope that the target isn't raving mad.
937 AC_MSG_NOTICE([Cross-compiling: we'll assume that right-shifting negative integers causes sign-extension])
940 if test "$tor_cv_sign_extend" != no ; then
941 AC_DEFINE([RSHIFT_DOES_SIGN_EXTEND], 1,
942 [Define to 1 iff right-shifting a negative value performs sign-extension])
945 # Whether we should use the dmalloc memory allocation debugging library.
946 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
948 [ --with-dmalloc Use debug memory allocation library. ],
949 [if [[ "$withval" = "yes" ]]; then
955 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
958 if [[ $dmalloc -eq 1 ]]; then
959 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
960 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
961 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
962 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
963 AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
966 AC_ARG_WITH(tcmalloc,
967 [ --with-tcmalloc Use tcmalloc memory allocation library. ],
968 [ tcmalloc=yes ], [ tcmalloc=no ])
970 if test x$tcmalloc = xyes ; then
971 LDFLAGS="-ltcmalloc $LDFLAGS"
974 # By default, we're going to assume we don't have mlockall()
975 # bionic and other platforms have various broken mlockall subsystems.
976 # Some systems don't have a working mlockall, some aren't linkable,
977 # and some have it but don't declare it.
978 AC_CHECK_FUNCS(mlockall)
979 AC_CHECK_DECLS([mlockall], , , [
980 #ifdef HAVE_SYS_MMAN_H
981 #include <sys/mman.h>
984 # Allow user to specify an alternate syslog facility
985 AC_ARG_WITH(syslog-facility,
986 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
987 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
988 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
989 AC_SUBST(LOGFACILITY)
991 # Check if we have getresuid and getresgid
992 AC_CHECK_FUNCS(getresuid getresgid)
994 # Check for gethostbyname_r in all its glorious incompatible versions.
995 # (This logic is based on that in Python's configure.in)
996 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
997 [Define this if you have any gethostbyname_r()])
999 AC_CHECK_FUNC(gethostbyname_r, [
1000 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
1002 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
1003 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
1007 struct hostent *h1, *h2;
1009 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
1011 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
1012 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
1013 [Define this if gethostbyname_r takes 6 arguments])
1022 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
1024 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
1025 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
1026 [Define this if gethostbyname_r takes 5 arguments])
1034 struct hostent_data hd;
1035 (void) gethostbyname_r(cp1,h1,&hd);
1037 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
1038 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
1039 [Define this if gethostbyname_r takes 3 arguments])
1049 AC_CACHE_CHECK([whether the C compiler supports __func__],
1050 tor_cv_have_func_macro,
1051 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
1053 int main(int c, char **v) { puts(__func__); }])],
1054 tor_cv_have_func_macro=yes,
1055 tor_cv_have_func_macro=no))
1057 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
1058 tor_cv_have_FUNC_macro,
1059 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
1061 int main(int c, char **v) { puts(__FUNC__); }])],
1062 tor_cv_have_FUNC_macro=yes,
1063 tor_cv_have_FUNC_macro=no))
1065 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
1066 tor_cv_have_FUNCTION_macro,
1067 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
1069 int main(int c, char **v) { puts(__FUNCTION__); }])],
1070 tor_cv_have_FUNCTION_macro=yes,
1071 tor_cv_have_FUNCTION_macro=no))
1073 if test "$tor_cv_have_func_macro" = 'yes'; then
1074 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
1077 if test "$tor_cv_have_FUNC_macro" = 'yes'; then
1078 AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
1081 if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
1082 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
1083 [Defined if the compiler supports __FUNCTION__])
1086 # $prefix stores the value of the --prefix command line option, or
1087 # NONE if the option wasn't set. In the case that it wasn't set, make
1088 # it be the default, so that we can use it to expand directories now.
1089 if test "x$prefix" = "xNONE"; then
1090 prefix=$ac_default_prefix
1093 # and similarly for $exec_prefix
1094 if test "x$exec_prefix" = "xNONE"; then
1098 if test "x$BUILDDIR" = "x"; then
1102 AH_TEMPLATE([BUILDDIR],[tor's build directory])
1103 AC_DEFINE_UNQUOTED(BUILDDIR,"$BUILDDIR")
1105 if test "x$CONFDIR" = "x"; then
1106 CONFDIR=`eval echo $sysconfdir/tor`
1109 AH_TEMPLATE([CONFDIR],[tor's configuration directory])
1110 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
1112 BINDIR=`eval echo $bindir`
1114 LOCALSTATEDIR=`eval echo $localstatedir`
1115 AC_SUBST(LOCALSTATEDIR)
1117 if test "$bwin32" = true; then
1118 # Test if the linker supports the --nxcompat and --dynamicbase options
1120 save_LDFLAGS="$LDFLAGS"
1121 LDFLAGS="-Wl,--nxcompat -Wl,--dynamicbase"
1122 AC_MSG_CHECKING([whether the linker supports DllCharacteristics])
1123 AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1124 [AC_MSG_RESULT([yes])]
1125 [save_LDFLAGS="$save_LDFLAGS $LDFLAGS"],
1126 [AC_MSG_RESULT([no])]
1128 LDFLAGS="$save_LDFLAGS"
1131 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
1132 # than autoconf's macros like.
1133 if test "$GCC" = yes; then
1134 # Disable GCC's strict aliasing checks. They are an hours-to-debug
1135 # accident waiting to happen.
1136 CFLAGS="$CFLAGS -Wall -fno-strict-aliasing"
1138 # Autoconf sets -g -O2 by default. Override optimization level
1139 # for non-gcc compilers
1141 enable_gcc_warnings=no
1142 enable_gcc_warnings_advisory=no
1145 # OS X Lion started deprecating the system openssl. Let's just disable
1146 # all deprecation warnings on OS X.
1150 CFLAGS="$CFLAGS -Wno-deprecated-declarations"
1154 # Add some more warnings which we use in development but not in the
1155 # released versions. (Some relevant gcc versions can't handle these.)
1156 if test x$enable_gcc_warnings = xyes || test x$enable_gcc_warnings_advisory = xyes; then
1158 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
1159 #if !defined(__GNUC__) || (__GNUC__ < 4)
1161 #endif])], have_gcc4=yes, have_gcc4=no)
1163 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
1164 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
1166 #endif])], have_gcc42=yes, have_gcc42=no)
1168 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
1169 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
1171 #endif])], have_gcc43=yes, have_gcc43=no)
1173 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
1174 #if !defined(__clang__) || (__clang_major__ > 2) || (__clang_major__ == 2 && __clang_minor__ > 9)
1176 #endif])], have_clang29orlower=yes, have_clang29orlower=no)
1178 save_CFLAGS="$CFLAGS"
1179 CFLAGS="$CFLAGS -Wshorten-64-to-32"
1180 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], have_shorten64_flag=yes,
1181 have_shorten64_flag=no)
1182 CFLAGS="$save_CFLAGS"
1186 # Some OpenBSD versions (like 4.8) have -Wsystem-headers by default.
1187 # That's fine, except that the headers don't pass -Wredundant-decls.
1188 # Therefore, let's disable -Wsystem-headers when we're building
1189 # with maximal warnings on OpenBSD.
1190 CFLAGS="$CFLAGS -Wno-system-headers" ;;
1193 CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith"
1194 CFLAGS="$CFLAGS -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings"
1195 CFLAGS="$CFLAGS -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2"
1196 CFLAGS="$CFLAGS -Wwrite-strings -Wmissing-declarations -Wredundant-decls"
1197 CFLAGS="$CFLAGS -Wnested-externs -Wbad-function-cast -Wswitch-enum"
1199 if test x$enable_gcc_warnings = xyes; then
1200 CFLAGS="$CFLAGS -Werror"
1203 # Disabled, so we can use mallinfo(): -Waggregate-return
1205 if test x$have_gcc4 = xyes ; then
1206 # These warnings break gcc 3.3.5 and work on gcc 4.0.2
1207 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
1210 if test x$have_gcc42 = xyes ; then
1211 # These warnings break gcc 4.0.2 and work on gcc 4.2
1212 # XXXX020 See if any of these work with earlier versions.
1213 CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wstrict-overflow=1"
1215 # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
1218 if test x$have_gcc42 = xyes && test x$have_clang29orlower = xno; then
1219 # These warnings break gcc 4.0.2 and clang, but work on gcc 4.2
1220 # We only disable these for clang 2.9 and lower, in case they are
1221 # supported in later versions.
1222 CFLAGS="$CFLAGS -Wnormalized=id -Woverride-init"
1225 if test x$have_gcc43 = xyes ; then
1226 # These warnings break gcc 4.2 and work on gcc 4.3
1227 # XXXX020 See if any of these work with earlier versions.
1228 CFLAGS="$CFLAGS -Wextra -Warray-bounds"
1231 if test x$have_shorten64_flag = xyes ; then
1232 CFLAGS="$CFLAGS -Wshorten-64-to-32"
1235 ##This will break the world on some 64-bit architectures
1236 # CFLAGS="$CFLAGS -Winline"
1241 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
1247 contrib/suse/Makefile
1249 contrib/tor.logrotate
1257 src/config/torrc.sample
1261 src/tools/tor-fw-helper/Makefile
1268 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
1269 ./contrib/updateVersions.pl