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, 0.2.3.4-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 "$enable_local_appdata" = "yes"; then
144 AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
145 [Defined if we default to host local appdata paths on Windows])
148 AC_ARG_ENABLE(bufferevents,
149 AS_HELP_STRING(--enable-bufferevents, use Libevent's buffered IO.))
151 dnl check for the correct "ar" when cross-compiling
152 AN_MAKEVAR([AR], [AC_PROG_AR])
153 AN_PROGRAM([ar], [AC_PROG_AR])
154 AC_DEFUN([AC_PROG_AR], [AC_CHECK_TOOL([AR], [ar], [ar])])
162 dnl autoconf 2.59 appears not to support AC_PROG_SED
163 AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
165 dnl check for asciidoc and a2x
166 AC_PATH_PROG([ASCIIDOC], [asciidoc], none)
167 AC_PATH_PROG([A2X], [a2x], none)
169 AM_CONDITIONAL(USE_ASCIIDOC, test x$asciidoc = xtrue)
171 AM_CONDITIONAL(USE_FW_HELPER, test x$natpmp = xtrue || test x$upnp = xtrue)
172 AM_CONDITIONAL(NAT_PMP, test x$natpmp = xtrue)
173 AM_CONDITIONAL(MINIUPNPC, test x$upnp = xtrue)
176 ifdef([AC_C_FLEXIBLE_ARRAY_MEMBER], [
177 AC_C_FLEXIBLE_ARRAY_MEMBER
179 dnl Maybe we've got an old autoconf...
180 AC_CACHE_CHECK([for flexible array members],
184 struct abc { int a; char b[]; };
186 struct abc *def = malloc(sizeof(struct abc)+sizeof(char));
189 [tor_cv_c_flexarray=yes],
190 [tor_cv_c_flexarray=no])])
191 if test $tor_cv_flexarray = yes ; then
192 AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [])
194 AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [1])
198 AC_PATH_PROG([SHA1SUM], [sha1sum], none)
199 AC_PATH_PROG([OPENSSL], [openssl], none)
202 AC_ARG_WITH(tor-user,
203 [ --with-tor-user=NAME Specify username for tor daemon ],
211 AC_ARG_WITH(tor-group,
212 [ --with-tor-group=NAME Specify group name for tor daemon ],
220 dnl If WIN32 is defined and non-zero, we are building for win32
221 AC_MSG_CHECKING([for win32])
222 AC_RUN_IFELSE([AC_LANG_SOURCE([
223 int main(int c, char **v) {
234 bwin32=true; AC_MSG_RESULT([yes]),
235 bwin32=false; AC_MSG_RESULT([no]),
236 bwin32=cross; AC_MSG_RESULT([cross])
239 if test "$bwin32" = cross; then
240 AC_MSG_CHECKING([for win32 (cross)])
241 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
243 int main(int c, char **v) {return 0;}
246 int main(int c, char **v) {return x(y);}
249 bwin32=true; AC_MSG_RESULT([yes]),
250 bwin32=false; AC_MSG_RESULT([no]))
253 if test "$bwin32" = true; then
254 AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
256 AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
258 dnl Enable C99 when compiling with MIPSpro
259 AC_MSG_CHECKING([for MIPSpro compiler])
260 AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [
261 #if (defined(__sgi) && defined(_COMPILER_VERSION))
266 bmipspro=false; AC_MSG_RESULT(no),
267 bmipspro=true; AC_MSG_RESULT(yes))
269 if test "$bmipspro" = true; then
270 CFLAGS="$CFLAGS -c99"
275 AC_SEARCH_LIBS(socket, [socket])
276 AC_SEARCH_LIBS(gethostbyname, [nsl])
277 AC_SEARCH_LIBS(dlopen, [dl])
278 AC_SEARCH_LIBS(inet_aton, [resolv])
280 if test "$enable_threads" = "yes"; then
281 AC_SEARCH_LIBS(pthread_create, [pthread])
282 AC_SEARCH_LIBS(pthread_detach, [pthread])
285 dnl -------------------------------------------------------------------
286 dnl Check for functions before libevent, since libevent-1.2 apparently
287 dnl exports strlcpy without defining it in a header.
314 using_custom_malloc=no
315 if test x$enable_openbsd_malloc = xyes ; then
316 AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
317 using_custom_malloc=yes
319 if test x$tcmalloc = xyes ; then
320 using_custom_malloc=yes
322 if test $using_custom_malloc = no ; then
323 AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
326 if test "$enable_threads" = "yes"; then
327 AC_CHECK_HEADERS(pthread.h)
328 AC_CHECK_FUNCS(pthread_create)
331 dnl ------------------------------------------------------
332 dnl Where do you live, libevent? And how do we call you?
334 if test "$bwin32" = true; then
335 TOR_LIB_WS32=-lws2_32
336 TOR_LIB_IPHLPAPI=-liphlpapi
337 # Some of the cargo-cults recommend -lwsock32 as well, but I don't
338 # think it's actually necessary.
344 AC_SUBST(TOR_LIB_WS32)
345 AC_SUBST(TOR_LIB_GDI)
346 AC_SUBST(TOR_LIB_IPHLPAPI)
348 dnl We need to do this before we try our disgusting hack below.
349 AC_CHECK_HEADERS([sys/types.h])
351 dnl This is a disgusting hack so we safely include older libevent headers.
352 AC_CHECK_TYPE(u_int64_t, unsigned long long)
353 AC_CHECK_TYPE(u_int32_t, unsigned long)
354 AC_CHECK_TYPE(u_int16_t, unsigned short)
355 AC_CHECK_TYPE(u_int8_t, unsigned char)
357 tor_libevent_pkg_redhat="libevent"
358 tor_libevent_pkg_debian="libevent-dev"
359 tor_libevent_devpkg_redhat="libevent-devel"
360 tor_libevent_devpkg_debian="libevent-dev"
362 dnl On Gnu/Linux or any place we require it, we'll add librt to the Libevent
363 dnl linking for static builds.
364 STATIC_LIBEVENT_FLAGS=""
365 if test "$enable_static_libevent" = "yes"; then
366 dnl Determine if we have clock_gettime in librt
367 AC_SEARCH_LIBS([clock_gettime], [rt],
369 if test "$have_rt" = yes; then
370 STATIC_LIBEVENT_FLAGS=" -lrt "
374 TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32], [
376 #include <winsock2.h>
379 #include <sys/time.h>
380 #include <sys/types.h>
381 #include <event.h>], [
383 #include <winsock2.h>
385 void exit(int); void *event_init(void);],
388 {WSADATA d; WSAStartup(0x101,&d); }
390 event_init(); exit(0);
391 ], [--with-libevent-dir], [/opt/libevent])
393 dnl Now check for particular libevent functions.
395 save_LDFLAGS="$LDFLAGS"
396 save_CPPFLAGS="$CPPFLAGS"
397 LIBS="-levent $STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32 $LIBS"
398 LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
399 CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
400 AC_CHECK_FUNCS(event_get_version event_get_version_number event_get_method event_set_log_callback evdns_set_outgoing_bind_address event_base_loopexit)
401 AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
405 AC_CHECK_HEADERS(event2/event.h event2/dns.h event2/bufferevent_ssl.h)
408 LDFLAGS="$save_LDFLAGS"
409 CPPFLAGS="$save_CPPFLAGS"
412 AM_CONDITIONAL(USE_EXTERNAL_EVDNS, test x$ac_cv_header_event2_dns_h = xyes)
414 if test "$enable_static_libevent" = "yes"; then
415 if test "$tor_cv_library_libevent_dir" = "(system)"; then
416 AC_MSG_ERROR("You must specify an explicit --with-libevent-dir=x option when using --enable-static-libevent")
418 TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent.a $STATIC_LIBEVENT_FLAGS"
421 TOR_LIBEVENT_LIBS="-levent"
424 dnl This isn't the best test for Libevent 2.0.3-alpha. Once it's released,
425 dnl we can do much better.
426 if test "$enable_bufferevents" = "yes" ; then
427 if test "$ac_cv_header_event2_bufferevent_ssl_h" != "yes" ; then
428 AC_MSG_ERROR([You've asked for bufferevent support, but you're using a version of Libevent without SSL support. This won't work. We need Libevent 2.0.8-rc or later, and you don't seem to even have Libevent 2.0.3-alpha.])
431 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent"
433 # Check for the right version. First see if version detection works.
434 AC_MSG_CHECKING([whether we can detect the Libevent version])
435 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
436 #include <event2/event.h>
437 #if !defined(LIBEVENT_VERSION_NUMBER) || LIBEVENT_VERSION_NUMBER < 10
443 ])], [event_version_number_works=yes; AC_MSG_RESULT([yes]) ],
444 [event_version_number_works=no; AC_MSG_RESULT([no])])
445 if test "$event_version_number_works" != 'yes'; then
446 AC_MSG_WARN([Version detection on Libevent seems broken. Your Libevent installation is probably screwed up or very old.])
448 AC_MSG_CHECKING([whether Libevent is new enough for bufferevents])
449 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
450 #include <event2/event.h>
451 #if !defined(LIBEVENT_VERSION_NUMBER) || LIBEVENT_VERSION_NUMBER < 0x02000d00
457 ])], [ AC_MSG_RESULT([yes]) ],
458 [ AC_MSG_RESULT([no])
459 AC_MSG_ERROR([Libevent does not seem new enough to support bufferevents. We require 2.0.13-stable or later]) ] )
465 LDFLAGS="$save_LDFLAGS"
466 CPPFLAGS="$save_CPPFLAGS"
468 AM_CONDITIONAL(USE_BUFFEREVENTS, test "$enable_bufferevents" = "yes")
469 if test "$enable_bufferevents" = "yes"; then
470 AC_DEFINE(USE_BUFFEREVENTS, 1, [Defined if we're going to use Libevent's buffered IO API])
471 if test "$enable_static_libevent" = "yes"; then
472 TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent_openssl.a $TOR_LIBEVENT_LIBS"
474 TOR_LIBEVENT_LIBS="-levent_openssl $TOR_LIBEVENT_LIBS"
477 AC_SUBST(TOR_LIBEVENT_LIBS)
479 dnl ------------------------------------------------------
480 dnl Where do you live, openssl? And how do we call you?
482 tor_openssl_pkg_redhat="openssl"
483 tor_openssl_pkg_debian="libssl"
484 tor_openssl_devpkg_redhat="openssl-devel"
485 tor_openssl_devpkg_debian="libssl-dev"
487 ALT_openssl_WITHVAL=""
489 [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
491 if test "x$withval" != xno && test "x$withval" != "x" ; then
492 ALT_openssl_WITHVAL="$withval"
496 TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
497 [#include <openssl/rand.h>],
498 [void RAND_add(const void *buf, int num, double entropy);],
499 [RAND_add((void*)0,0,0); exit(0);], [],
500 [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
502 dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
504 echo "tor_cv_library_openssl_dir is $tor_cv_library_openssl_dir"
505 if test "$enable_static_openssl" = "yes"; then
506 if test "$tor_cv_library_openssl_dir" = "(system)"; then
507 AC_MSG_ERROR("You must specify an explicit --with-openssl-dir=x option when using --enable-static-openssl")
509 TOR_OPENSSL_LIBS="$TOR_LIBDIR_openssl/libssl.a $TOR_LIBDIR_openssl/libcrypto.a"
512 TOR_OPENSSL_LIBS="-lssl -lcrypto"
514 AC_SUBST(TOR_OPENSSL_LIBS)
516 dnl ------------------------------------------------------
517 dnl Where do you live, zlib? And how do we call you?
519 tor_zlib_pkg_redhat="zlib"
520 tor_zlib_pkg_debian="zlib1g"
521 tor_zlib_devpkg_redhat="zlib-devel"
522 tor_zlib_devpkg_debian="zlib1g-dev"
524 TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
526 [const char * zlibVersion(void);],
527 [zlibVersion(); exit(0);], [--with-zlib-dir],
530 if test "$enable_static_zlib" = "yes"; then
531 if test "$tor_cv_library_zlib_dir" = "(system)"; then
532 AC_MSG_ERROR("You must specify an explicit --with-zlib-dir=x option when
533 using --enable-static-zlib")
535 TOR_ZLIB_LIBS="$TOR_LIBDIR_zlib/libz.a"
536 echo "$TOR_LIBDIR_zlib/libz.a"
541 AC_SUBST(TOR_ZLIB_LIBS)
543 dnl Make sure to enable support for large off_t if available.
546 dnl ------------------------------------------------------
547 dnl Where do you live, libnatpmp? And how do we call you?
548 dnl There are no packages for Debian or Redhat as of this patch
550 if test "$natpmp" = "true"; then
551 AC_DEFINE(NAT_PMP, 1, [Define to 1 if we are building with nat-pmp.])
552 TOR_SEARCH_LIBRARY(libnatpmp, $trylibnatpmpdir, [-lnatpmp],
553 [#include <natpmp.h>],
554 [#include <natpmp.h>],
557 natpmpresp_t response;
558 r = initnatpmp(&natpmp, 0, 0);],
559 [printf("initnatpmp() returned %d (%s)\n", r, r?"FAILED":"SUCCESS");
561 [--with-libnatpmp-dir],
566 dnl ------------------------------------------------------
567 dnl Where do you live, libminiupnpc? And how do we call you?
568 dnl There are no packages for Debian or Redhat as of this patch
570 if test "$upnp" = "true"; then
571 AC_DEFINE(MINIUPNPC, 1, [Define to 1 if we are building with UPnP.])
572 TOR_SEARCH_LIBRARY(libminiupnpc, $trylibminiupnpcdir, [-lminiupnpc $TOR_LIB_WS32 $TOR_LIB_IPHLPAPI],
573 [#include <miniupnpc/miniwget.h>
574 #include <miniupnpc/miniupnpc.h>
575 #include <miniupnpc/upnpcommands.h>],
576 [void upnpDiscover(int delay, const char * multicastif,
577 const char * minissdpdsock, int sameport);],
578 [upnpDiscover(1, 0, 0, 0); exit(0);],
579 [--with-libminiupnpc-dir],
597 , , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
599 dnl These headers are not essential
634 TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
635 [#ifdef HAVE_MALLOC_H
638 #ifdef HAVE_MALLOC_MALLOC_H
639 #include <malloc/malloc.h>
642 AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
643 [#ifdef HAVE_SYS_TYPES_H
644 #include <sys/types.h>
646 #ifdef HAVE_SYS_SOCKET_H
647 #include <sys/socket.h>
649 AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
650 [#ifdef HAVE_SYS_TYPES_H
651 #include <sys/types.h>
653 #ifdef HAVE_SYS_SOCKET_H
654 #include <sys/socket.h>
659 AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
660 linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
661 [#ifdef HAVE_SYS_TYPES_H
662 #include <sys/types.h>
664 #ifdef HAVE_SYS_SOCKET_H
665 #include <sys/socket.h>
670 #ifdef HAVE_LINUX_TYPES_H
671 #include <linux/types.h>
673 #ifdef HAVE_NETINET_IN6_H
674 #include <netinet/in6.h>
676 #ifdef HAVE_NETINET_IN_H
677 #include <netinet/in.h>
680 if test x$transparent = xtrue ; then
682 if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
685 if test x$linux_netfilter_ipv4 = x1 ; then
688 if test x$transparent_ok = x1 ; then
689 AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
692 AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
695 AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
699 AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
700 [#ifdef HAVE_SYS_TYPES_H
701 #include <sys/types.h>
703 #ifdef HAVE_SYS_TIME_H
704 #include <sys/time.h>
707 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
710 AC_CHECK_SIZEOF(int8_t)
711 AC_CHECK_SIZEOF(int16_t)
712 AC_CHECK_SIZEOF(int32_t)
713 AC_CHECK_SIZEOF(int64_t)
714 AC_CHECK_SIZEOF(uint8_t)
715 AC_CHECK_SIZEOF(uint16_t)
716 AC_CHECK_SIZEOF(uint32_t)
717 AC_CHECK_SIZEOF(uint64_t)
718 AC_CHECK_SIZEOF(intptr_t)
719 AC_CHECK_SIZEOF(uintptr_t)
721 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
723 AC_CHECK_SIZEOF(char)
724 AC_CHECK_SIZEOF(short)
726 AC_CHECK_SIZEOF(long)
727 AC_CHECK_SIZEOF(long long)
728 AC_CHECK_SIZEOF(__int64)
729 AC_CHECK_SIZEOF(void *)
730 AC_CHECK_SIZEOF(time_t)
731 AC_CHECK_SIZEOF(size_t)
733 AC_CHECK_TYPES([uint, u_char, ssize_t])
735 dnl used to include sockaddr_storage, but everybody has that.
736 AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
737 [#ifdef HAVE_SYS_TYPES_H
738 #include <sys/types.h>
740 #ifdef HAVE_NETINET_IN_H
741 #include <netinet/in.h>
743 #ifdef HAVE_NETINET_IN6_H
744 #include <netinet/in6.h>
746 #ifdef HAVE_SYS_SOCKET_H
747 #include <sys/socket.h>
750 #define WIN32_WINNT 0x400
751 #define _WIN32_WINNT 0x400
752 #define WIN32_LEAN_AND_MEAN
753 #if defined(_MSC_VER) && (_MSC_VER < 1300)
756 #include <winsock2.h>
757 #include <ws2tcpip.h>
761 AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
762 [#ifdef HAVE_SYS_TYPES_H
763 #include <sys/types.h>
765 #ifdef HAVE_NETINET_IN_H
766 #include <netinet/in.h>
768 #ifdef HAVE_NETINET_IN6_H
769 #include <netinet/in6.h>
771 #ifdef HAVE_SYS_SOCKET_H
772 #include <sys/socket.h>
775 #define WIN32_WINNT 0x400
776 #define _WIN32_WINNT 0x400
777 #define WIN32_LEAN_AND_MEAN
778 #if defined(_MSC_VER) && (_MSC_VER < 1300)
781 #include <winsock2.h>
782 #include <ws2tcpip.h>
787 AC_CHECK_TYPES([rlim_t], , ,
788 [#ifdef HAVE_SYS_TYPES_H
789 #include <sys/types.h>
791 #ifdef HAVE_SYS_TIME_H
792 #include <sys/time.h>
794 #ifdef HAVE_SYS_RESOURCE_H
795 #include <sys/resource.h>
799 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
800 AC_RUN_IFELSE([AC_LANG_SOURCE([
801 #ifdef HAVE_SYS_TYPES_H
802 #include <sys/types.h>
804 #ifdef HAVE_SYS_TIME_H
805 #include <sys/time.h>
810 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }])],
811 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
814 if test "$tor_cv_time_t_signed" = cross; then
815 AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
818 if test "$tor_cv_time_t_signed" != no; then
819 AC_DEFINE([TIME_T_IS_SIGNED], 1,
820 [Define to 1 iff time_t is signed])
823 AC_CACHE_CHECK([whether size_t is signed], tor_cv_size_t_signed, [
824 AC_RUN_IFELSE([AC_LANG_SOURCE([
825 #ifdef HAVE_SYS_TYPES_H
826 #include <sys/types.h>
828 int main(int c, char**v) { if (((size_t)-1)<0) return 1; else return 0; }])],
829 tor_cv_size_t_signed=no, tor_cv_size_t_signed=yes, tor_cv_size_t_signed=cross)
832 if test "$tor_cv_size_t_signed" = cross; then
833 AC_MSG_NOTICE([Cross compiling: assuming that size_t is not signed.])
836 if test "$tor_cv_size_t_signed" = yes; then
837 AC_MSG_ERROR([You have a signed size_t; that's grossly nonconformant.])
840 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
841 #ifdef HAVE_SYS_SOCKET_H
842 #include <sys/socket.h>
846 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
848 AC_CHECK_SIZEOF(cell_t)
850 # Now make sure that NULL can be represented as zero bytes.
851 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
852 [AC_RUN_IFELSE([AC_LANG_SOURCE(
853 [[#include <stdlib.h>
859 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
860 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
861 [tor_cv_null_is_zero=yes],
862 [tor_cv_null_is_zero=no],
863 [tor_cv_null_is_zero=cross])])
865 if test "$tor_cv_null_is_zero" = cross ; then
866 # Cross-compiling; let's hope that the target isn't raving mad.
867 AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
870 if test "$tor_cv_null_is_zero" != no; then
871 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
872 [Define to 1 iff memset(0) sets pointers to NULL])
875 # And what happens when we malloc zero?
876 AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
877 [AC_RUN_IFELSE([AC_LANG_SOURCE(
878 [[#include <stdlib.h>
884 int main () { return malloc(0)?0:1; }]])],
885 [tor_cv_malloc_zero_works=yes],
886 [tor_cv_malloc_zero_works=no],
887 [tor_cv_malloc_zero_works=cross])])
889 if test "$tor_cv_malloc_zero_works" = cross; then
890 # Cross-compiling; let's hope that the target isn't raving mad.
891 AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
894 if test "$tor_cv_malloc_zero_works" = yes; then
895 AC_DEFINE([MALLOC_ZERO_WORKS], 1,
896 [Define to 1 iff malloc(0) returns a pointer])
899 # whether we seem to be in a 2s-complement world.
900 AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
901 [AC_RUN_IFELSE([AC_LANG_SOURCE(
902 [[int main () { int problem = ((-99) != (~99)+1);
903 return problem ? 1 : 0; }]])],
904 [tor_cv_twos_complement=yes],
905 [tor_cv_twos_complement=no],
906 [tor_cv_twos_complement=cross])])
908 if test "$tor_cv_twos_complement" = cross ; then
909 # Cross-compiling; let's hope that the target isn't raving mad.
910 AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
913 if test "$tor_cv_twos_complement" != no ; then
914 AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
915 [Define to 1 iff we represent negative integers with two's complement])
918 # What does shifting a negative value do?
919 AC_CACHE_CHECK([whether right-shift on negative values does sign-extension], tor_cv_sign_extend,
920 [AC_RUN_IFELSE([AC_LANG_SOURCE(
921 [[int main () { int okay = (-60 >> 8) == -1; return okay ? 0 : 1; }]])],
922 [tor_cv_sign_extend=yes],
923 [tor_cv_sign_extend=no],
924 [tor_cv_sign_extend=cross])])
926 if test "$tor_cv_sign_extend" = cross ; then
927 # Cross-compiling; let's hope that the target isn't raving mad.
928 AC_MSG_NOTICE([Cross-compiling: we'll assume that right-shifting negative integers causes sign-extension])
931 if test "$tor_cv_sign_extend" != no ; then
932 AC_DEFINE([RSHIFT_DOES_SIGN_EXTEND], 1,
933 [Define to 1 iff right-shifting a negative value performs sign-extension])
936 # Whether we should use the dmalloc memory allocation debugging library.
937 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
939 [ --with-dmalloc Use debug memory allocation library. ],
940 [if [[ "$withval" = "yes" ]]; then
946 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
949 if [[ $dmalloc -eq 1 ]]; then
950 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
951 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
952 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
953 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
954 AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
957 AC_ARG_WITH(tcmalloc,
958 [ --with-tcmalloc Use tcmalloc memory allocation library. ],
959 [ tcmalloc=yes ], [ tcmalloc=no ])
961 if test x$tcmalloc = xyes ; then
962 LDFLAGS="-ltcmalloc $LDFLAGS"
965 # By default, we're going to assume we don't have mlockall()
966 # bionic and other platforms have various broken mlockall subsystems.
967 # Some systems don't have a working mlockall, some aren't linkable,
968 # and some have it but don't declare it.
969 AC_CHECK_FUNCS(mlockall)
970 AC_CHECK_DECLS([mlockall], , , [
971 #ifdef HAVE_SYS_MMAN_H
972 #include <sys/mman.h>
975 # Allow user to specify an alternate syslog facility
976 AC_ARG_WITH(syslog-facility,
977 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
978 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
979 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
980 AC_SUBST(LOGFACILITY)
982 # Check if we have getresuid and getresgid
983 AC_CHECK_FUNCS(getresuid getresgid)
985 # Check for gethostbyname_r in all its glorious incompatible versions.
986 # (This logic is based on that in Python's configure.in)
987 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
988 [Define this if you have any gethostbyname_r()])
990 AC_CHECK_FUNC(gethostbyname_r, [
991 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
993 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
994 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
998 struct hostent *h1, *h2;
1000 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
1002 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
1003 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
1004 [Define this if gethostbyname_r takes 6 arguments])
1013 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
1015 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
1016 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
1017 [Define this if gethostbyname_r takes 5 arguments])
1025 struct hostent_data hd;
1026 (void) gethostbyname_r(cp1,h1,&hd);
1028 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
1029 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
1030 [Define this if gethostbyname_r takes 3 arguments])
1040 AC_CACHE_CHECK([whether the C compiler supports __func__],
1041 tor_cv_have_func_macro,
1042 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
1044 int main(int c, char **v) { puts(__func__); }])],
1045 tor_cv_have_func_macro=yes,
1046 tor_cv_have_func_macro=no))
1048 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
1049 tor_cv_have_FUNC_macro,
1050 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
1052 int main(int c, char **v) { puts(__FUNC__); }])],
1053 tor_cv_have_FUNC_macro=yes,
1054 tor_cv_have_FUNC_macro=no))
1056 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
1057 tor_cv_have_FUNCTION_macro,
1058 AC_COMPILE_IFELSE([AC_LANG_SOURCE([
1060 int main(int c, char **v) { puts(__FUNCTION__); }])],
1061 tor_cv_have_FUNCTION_macro=yes,
1062 tor_cv_have_FUNCTION_macro=no))
1064 if test "$tor_cv_have_func_macro" = 'yes'; then
1065 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
1068 if test "$tor_cv_have_FUNC_macro" = 'yes'; then
1069 AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
1072 if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
1073 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
1074 [Defined if the compiler supports __FUNCTION__])
1077 # $prefix stores the value of the --prefix command line option, or
1078 # NONE if the option wasn't set. In the case that it wasn't set, make
1079 # it be the default, so that we can use it to expand directories now.
1080 if test "x$prefix" = "xNONE"; then
1081 prefix=$ac_default_prefix
1084 # and similarly for $exec_prefix
1085 if test "x$exec_prefix" = "xNONE"; then
1089 if test "x$BUILDDIR" = "x"; then
1093 AH_TEMPLATE([BUILDDIR],[tor's build directory])
1094 AC_DEFINE_UNQUOTED(BUILDDIR,"$BUILDDIR")
1096 if test "x$CONFDIR" = "x"; then
1097 CONFDIR=`eval echo $sysconfdir/tor`
1100 AH_TEMPLATE([CONFDIR],[tor's configuration directory])
1101 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
1103 BINDIR=`eval echo $bindir`
1105 LOCALSTATEDIR=`eval echo $localstatedir`
1106 AC_SUBST(LOCALSTATEDIR)
1108 if test "$bwin32" = true; then
1109 # Test if the linker supports the --nxcompat and --dynamicbase options
1111 save_LDFLAGS="$LDFLAGS"
1112 LDFLAGS="-Wl,--nxcompat -Wl,--dynamicbase"
1113 AC_MSG_CHECKING([whether the linker supports DllCharacteristics])
1114 AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
1115 [AC_MSG_RESULT([yes])]
1116 [save_LDFLAGS="$save_LDFLAGS $LDFLAGS"],
1117 [AC_MSG_RESULT([no])]
1119 LDFLAGS="$save_LDFLAGS"
1122 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
1123 # than autoconf's macros like.
1124 if test "$GCC" = yes; then
1125 # Disable GCC's strict aliasing checks. They are an hours-to-debug
1126 # accident waiting to happen.
1127 CFLAGS="$CFLAGS -Wall -fno-strict-aliasing"
1129 # Autoconf sets -g -O2 by default. Override optimization level
1130 # for non-gcc compilers
1132 enable_gcc_warnings=no
1133 enable_gcc_warnings_advisory=no
1136 # OS X Lion started deprecating the system openssl. Let's just disable
1137 # all deprecation warnings on OS X.
1141 CFLAGS="$CFLAGS -Wno-deprecated-declarations"
1145 # Add some more warnings which we use in development but not in the
1146 # released versions. (Some relevant gcc versions can't handle these.)
1147 if test x$enable_gcc_warnings = xyes || test x$enable_gcc_warnings_advisory = xyes; then
1149 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
1150 #if !defined(__GNUC__) || (__GNUC__ < 4)
1152 #endif])], have_gcc4=yes, have_gcc4=no)
1154 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
1155 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
1157 #endif])], have_gcc42=yes, have_gcc42=no)
1159 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
1160 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
1162 #endif])], have_gcc43=yes, have_gcc43=no)
1164 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
1165 #if !defined(__clang__) || (__clang_major__ > 2) || (__clang_major__ == 2 && __clang_minor__ > 9)
1167 #endif])], have_clang29orlower=yes, have_clang29orlower=no)
1169 save_CFLAGS="$CFLAGS"
1170 CFLAGS="$CFLAGS -Wshorten-64-to-32"
1171 AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], have_shorten64_flag=yes,
1172 have_shorten64_flag=no)
1173 CFLAGS="$save_CFLAGS"
1177 # Some OpenBSD versions (like 4.8) have -Wsystem-headers by default.
1178 # That's fine, except that the headers don't pass -Wredundant-decls.
1179 # Therefore, let's disable -Wsystem-headers when we're building
1180 # with maximal warnings on OpenBSD.
1181 CFLAGS="$CFLAGS -Wno-system-headers" ;;
1184 CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith"
1185 CFLAGS="$CFLAGS -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings"
1186 CFLAGS="$CFLAGS -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2"
1187 CFLAGS="$CFLAGS -Wwrite-strings -Wmissing-declarations -Wredundant-decls"
1188 CFLAGS="$CFLAGS -Wnested-externs -Wbad-function-cast -Wswitch-enum"
1190 if test x$enable_gcc_warnings = xyes; then
1191 CFLAGS="$CFLAGS -Werror"
1194 # Disabled, so we can use mallinfo(): -Waggregate-return
1196 if test x$have_gcc4 = xyes ; then
1197 # These warnings break gcc 3.3.5 and work on gcc 4.0.2
1198 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
1201 if test x$have_gcc42 = xyes ; then
1202 # These warnings break gcc 4.0.2 and work on gcc 4.2
1203 # XXXX020 See if any of these work with earlier versions.
1204 CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wstrict-overflow=1"
1206 # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
1209 if test x$have_gcc42 = xyes && test x$have_clang29orlower = xno; then
1210 # These warnings break gcc 4.0.2 and clang, but work on gcc 4.2
1211 # We only disable these for clang 2.9 and lower, in case they are
1212 # supported in later versions.
1213 CFLAGS="$CFLAGS -Wnormalized=id -Woverride-init"
1216 if test x$have_gcc43 = xyes ; then
1217 # These warnings break gcc 4.2 and work on gcc 4.3
1218 # XXXX020 See if any of these work with earlier versions.
1219 CFLAGS="$CFLAGS -Wextra -Warray-bounds"
1222 if test x$have_shorten64_flag = xyes ; then
1223 CFLAGS="$CFLAGS -Wshorten-64-to-32"
1226 ##This will break the world on some 64-bit architectures
1227 # CFLAGS="$CFLAGS -Winline"
1232 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
1238 contrib/suse/Makefile
1240 contrib/tor.logrotate
1248 src/config/torrc.sample
1252 src/tools/tor-fw-helper/Makefile
1259 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
1260 ./contrib/updateVersions.pl