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, 0.2.2.0-alpha-dev)
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"
23 AS_HELP_STRING(--enable-debug, compile with debugging info),
24 [if test x$enableval = xyes; then
28 #XXXX ideally, we should make this into a no-op, and detect whether we're
29 #compiling for the iphone by using $target.
31 AS_HELP_STRING(--enable-iphone, compile with iPhone support),
32 [if test x$enableval = xyes ; then
34 CFLAGS="$CFLAGS -D__DARWIN_UNIX03 -DIPHONE"
37 #XXXX020 We should make these enabled or not, before 0.2.0.x-final
38 AC_ARG_ENABLE(buf-freelists,
39 AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM))
40 AC_ARG_ENABLE(openbsd-malloc,
41 AS_HELP_STRING(--enable-openbsd-malloc, Use malloc code from openbsd. Linux only))
42 AC_ARG_ENABLE(instrument-downloads,
43 AS_HELP_STRING(--enable-instrument-downloads, Instrument downloads of directory resources etc.))
45 if test x$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 "${enableval}" in
58 yes) transparent=true ;;
59 no) transparent=false ;;
60 *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
61 esac], [transparent=true])
63 AC_ARG_ENABLE(threads,
64 AS_HELP_STRING(--disable-threads, disable multi-threading support))
66 if test x$enable_threads = x; then
69 # Don't try multithreading on solaris -- cpuworkers seem to lock.
70 AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
71 cpu workers lock up here, so I will disable threads.])
74 enable_threads="yes";;
78 if test "$enable_threads" = "yes"; then
79 AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
84 AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
88 AC_ARG_ENABLE(exit-stats,
89 AS_HELP_STRING(--enable-exit-stats, enable code for exits to collect per-port statistics))
91 if test "$enable_exit_stats" = "yes"; then
92 AC_DEFINE(ENABLE_EXIT_STATS, 1, [Defined if we try to collect per-port statistics on exits])
95 AC_ARG_ENABLE(dirreq-stats,
96 AS_HELP_STRING(--enable-dirreq-stats, enable code for directories to collect per-country statistics))
98 if test "$enable_dirreq_stats" = "yes"; then
99 AC_DEFINE(ENABLE_DIRREQ_STATS, 1, [Defined if we try to collect per-country statistics])
102 AC_ARG_ENABLE(buffer-stats,
103 AS_HELP_STRING(--enable-buffer-stats, enable code for relays to collect buffer statistics))
105 if test "$enable_buffer_stats" = "yes"; then
106 AC_DEFINE(ENABLE_BUFFER_STATS, 1, [Defined if we try to collect buffer statistics])
109 AC_ARG_ENABLE(entry-stats,
110 AS_HELP_STRING(--enable-entry-stats, enable code for entry guards to collect per-country statistics))
112 if test "$enable_entry_stats" = "yes"; then
113 AC_DEFINE(ENABLE_ENTRY_STATS, 1, [Defined if we try to collect per-country statistics])
116 AC_ARG_ENABLE(gcc-warnings,
117 AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
119 AC_ARG_ENABLE(local-appdata,
120 AS_HELP_STRING(--enable-local-appdata, default to host local application data paths on Windows))
121 if test "$enable_local_appdata" = "yes"; then
122 AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
123 [Defined if we default to host local appdata paths on Windows])
132 AC_PATH_PROG([SHA1SUM], [sha1sum], none)
133 AC_PATH_PROG([OPENSSL], [openssl], none)
136 AC_ARG_WITH(tor-user,
137 [ --with-tor-user=NAME Specify username for tor daemon ],
145 AC_ARG_WITH(tor-group,
146 [ --with-tor-group=NAME Specify group name for tor daemon ],
154 dnl If WIN32 is defined and non-zero, we are building for win32
155 AC_MSG_CHECKING([for win32])
157 int main(int c, char **v) {
168 bwin32=true; AC_MSG_RESULT([yes]),
169 bwin32=false; AC_MSG_RESULT([no]),
170 bwin32=cross; AC_MSG_RESULT([cross])
173 if test "$bwin32" = cross; then
174 AC_MSG_CHECKING([for win32 (cross)])
177 int main(int c, char **v) {return 0;}
180 int main(int c, char **v) {return x(y);}
183 bwin32=true; AC_MSG_RESULT([yes]),
184 bwin32=false; AC_MSG_RESULT([no]))
187 if test "$bwin32" = true; then
188 AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
190 AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
192 dnl Enable C99 when compiling with MIPSpro
193 AC_MSG_CHECKING([for MIPSpro compiler])
194 AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
195 #if (defined(__sgi) && defined(_COMPILER_VERSION))
200 bmipspro=false; AC_MSG_RESULT(no),
201 bmipspro=true; AC_MSG_RESULT(yes))
203 if test "$bmipspro" = true; then
204 CFLAGS="$CFLAGS -c99"
209 AC_SEARCH_LIBS(socket, [socket])
210 AC_SEARCH_LIBS(gethostbyname, [nsl])
211 AC_SEARCH_LIBS(dlopen, [dl])
212 AC_SEARCH_LIBS(inet_aton, [resolv])
214 if test "$enable_threads" = "yes"; then
215 AC_SEARCH_LIBS(pthread_create, [pthread])
216 AC_SEARCH_LIBS(pthread_detach, [pthread])
219 dnl -------------------------------------------------------------------
220 dnl Check for functions before libevent, since libevent-1.2 apparently
221 dnl exports strlcpy without defining it in a header.
223 AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull getaddrinfo localtime_r gmtime_r memmem strtok_r writev readv flock prctl)
225 using_custom_malloc=no
226 if test x$enable_openbsd_malloc = xyes ; then
227 AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
228 using_custom_malloc=yes
230 if test x$tcmalloc = xyes ; then
231 using_custom_malloc=yes
233 if test $using_custom_malloc = no ; then
234 AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
237 if test "$enable_threads" = "yes"; then
238 AC_CHECK_HEADERS(pthread.h)
239 AC_CHECK_FUNCS(pthread_create)
242 dnl ------------------------------------------------------
243 dnl Where do you live, libevent? And how do we call you?
245 if test "$bwin32" = true; then
246 TOR_LIB_WS32=-lws2_32
247 # Some of the cargo-cults recommend -lwsock32 as well, but I don't
248 # think it's actually necessary.
254 AC_SUBST(TOR_LIB_WS32)
255 AC_SUBST(TOR_LIB_GDI)
257 dnl We need to do this before we try our disgusting hack below.
258 AC_CHECK_HEADERS([sys/types.h])
260 dnl This is a disgusting hack so we safely include older libevent headers.
261 AC_CHECK_TYPE(u_int64_t, unsigned long long)
262 AC_CHECK_TYPE(u_int32_t, unsigned long)
263 AC_CHECK_TYPE(u_int16_t, unsigned short)
264 AC_CHECK_TYPE(u_int8_t, unsigned char)
266 tor_libevent_pkg_redhat="libevent"
267 tor_libevent_pkg_debian="libevent-dev"
268 tor_libevent_devpkg_redhat="libevent-devel"
269 tor_libevent_devpkg_debian="libevent-dev"
271 TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
273 #include <winsock2.h>
276 #include <sys/time.h>
277 #include <sys/types.h>
278 #include <event.h>], [
280 #include <winsock2.h>
282 void exit(int); void *event_init(void);],
285 {WSADATA d; WSAStartup(0x101,&d); }
287 event_init(); exit(0);
288 ], [--with-libevent-dir], [/opt/libevent])
290 dnl Now check for particular libevent functions.
292 save_LDFLAGS="$LDFLAGS"
293 save_CPPFLAGS="$CPPFLAGS"
294 LIBS="-levent $TOR_LIB_WS32 $LIBS"
295 LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
296 CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
297 AC_CHECK_FUNCS(event_get_version event_get_version_number event_get_method event_set_log_callback evdns_set_outgoing_bind_address event_base_loopexit)
298 AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
302 AC_CHECK_HEADERS(event2/event.h event2/dns.h)
305 LDFLAGS="$save_LDFLAGS"
306 CPPFLAGS="$save_CPPFLAGS"
308 AM_CONDITIONAL(USE_EXTERNAL_EVDNS, test x$ac_cv_header_event2_dns_h = xyes)
310 dnl ------------------------------------------------------
311 dnl Where do you live, openssl? And how do we call you?
313 tor_openssl_pkg_redhat="openssl"
314 tor_openssl_pkg_debian="libssl"
315 tor_openssl_devpkg_redhat="openssl-devel"
316 tor_openssl_devpkg_debian="libssl-dev"
318 ALT_openssl_WITHVAL=""
320 [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
322 if test "x$withval" != xno && test "x$withval" != "x" ; then
323 ALT_openssl_WITHVAL="$withval"
327 TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
328 [#include <openssl/rand.h>],
329 [void RAND_add(const void *buf, int num, double entropy);],
330 [RAND_add((void*)0,0,0); exit(0);], [],
331 [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
333 dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
335 dnl ------------------------------------------------------
336 dnl Where do you live, zlib? And how do we call you?
338 tor_openssl_pkg_redhat="zlib"
339 tor_openssl_pkg_debian="zlib1g"
340 tor_openssl_devpkg_redhat="zlib-devel"
341 tor_openssl_devpkg_debian="zlib1g-dev"
343 TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
345 [const char * zlibVersion(void);],
346 [zlibVersion(); exit(0);], [--with-zlib-dir],
349 dnl Make sure to enable support for large off_t if available.
353 AC_CHECK_HEADERS(unistd.h string.h signal.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
355 AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h sys/uio.h)
357 dnl These headers are not essential
359 AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netinet/in6.h malloc.h sys/syslimits.h malloc/malloc.h linux/types.h sys/file.h malloc_np.h sys/prctl.h)
361 TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
362 [#ifdef HAVE_MALLOC_H
365 #ifdef HAVE_MALLOC_MALLOC_H
366 #include <malloc/malloc.h>
369 AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
370 [#ifdef HAVE_SYS_TYPES_H
371 #include <sys/types.h>
373 #ifdef HAVE_SYS_SOCKET_H
374 #include <sys/socket.h>
376 AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
377 [#ifdef HAVE_SYS_TYPES_H
378 #include <sys/types.h>
380 #ifdef HAVE_SYS_SOCKET_H
381 #include <sys/socket.h>
386 AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
387 linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
388 [#ifdef HAVE_SYS_TYPES_H
389 #include <sys/types.h>
391 #ifdef HAVE_SYS_SOCKET_H
392 #include <sys/socket.h>
397 #ifdef HAVE_LINUX_TYPES_H
398 #include <linux/types.h>
400 #ifdef HAVE_NETINET_IN6_H
401 #include <netinet/in6.h>
403 #ifdef HAVE_NETINET_IN_H
404 #include <netinet/in.h>
407 if test x$transparent = xtrue ; then
409 if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
412 if test x$linux_netfilter_ipv4 = x1 ; then
415 if test x$transparent_ok = x1 ; then
416 AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
419 AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
422 AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
426 AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
427 [#ifdef HAVE_SYS_TYPES_H
428 #include <sys/types.h>
430 #ifdef HAVE_SYS_TIME_H
431 #include <sys/time.h>
434 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
437 AC_CHECK_SIZEOF(int8_t)
438 AC_CHECK_SIZEOF(int16_t)
439 AC_CHECK_SIZEOF(int32_t)
440 AC_CHECK_SIZEOF(int64_t)
441 AC_CHECK_SIZEOF(uint8_t)
442 AC_CHECK_SIZEOF(uint16_t)
443 AC_CHECK_SIZEOF(uint32_t)
444 AC_CHECK_SIZEOF(uint64_t)
445 AC_CHECK_SIZEOF(intptr_t)
446 AC_CHECK_SIZEOF(uintptr_t)
448 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
450 AC_CHECK_SIZEOF(char)
451 AC_CHECK_SIZEOF(short)
453 AC_CHECK_SIZEOF(long)
454 AC_CHECK_SIZEOF(long long)
455 AC_CHECK_SIZEOF(__int64)
456 AC_CHECK_SIZEOF(void *)
457 AC_CHECK_SIZEOF(time_t)
458 AC_CHECK_SIZEOF(size_t)
460 AC_CHECK_TYPES([uint, u_char, ssize_t])
462 dnl used to include sockaddr_storage, but everybody has that.
463 AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
464 [#ifdef HAVE_SYS_TYPES_H
465 #include <sys/types.h>
467 #ifdef HAVE_NETINET_IN_H
468 #include <netinet/in.h>
470 #ifdef HAVE_NETINET_IN6_H
471 #include <netinet/in6.h>
473 #ifdef HAVE_SYS_SOCKET_H
474 #include <sys/socket.h>
477 #define WIN32_WINNT 0x400
478 #define _WIN32_WINNT 0x400
479 #define WIN32_LEAN_AND_MEAN
480 #if defined(_MSC_VER) && (_MSC_VER < 1300)
483 #include <winsock2.h>
484 #include <ws2tcpip.h>
488 AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
489 [#ifdef HAVE_SYS_TYPES_H
490 #include <sys/types.h>
492 #ifdef HAVE_NETINET_IN_H
493 #include <netinet/in.h>
495 #ifdef HAVE_NETINET_IN6_H
496 #include <netinet/in6.h>
498 #ifdef HAVE_SYS_SOCKET_H
499 #include <sys/socket.h>
502 #define WIN32_WINNT 0x400
503 #define _WIN32_WINNT 0x400
504 #define WIN32_LEAN_AND_MEAN
505 #if defined(_MSC_VER) && (_MSC_VER < 1300)
508 #include <winsock2.h>
509 #include <ws2tcpip.h>
514 AC_CHECK_TYPES([rlim_t], , ,
515 [#ifdef HAVE_SYS_TYPES_H
516 #include <sys/types.h>
518 #ifdef HAVE_SYS_TIME_H
519 #include <sys/time.h>
521 #ifdef HAVE_SYS_RESOURCE_H
522 #include <sys/resource.h>
526 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
527 AC_RUN_IFELSE(AC_LANG_SOURCE([
528 #ifdef HAVE_SYS_TYPES_H
529 #include <sys/types.h>
531 #ifdef HAVE_SYS_TIME_H
532 #include <sys/time.h>
537 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
538 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
541 if test "$tor_cv_time_t_signed" = cross; then
542 AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
545 if test "$tor_cv_time_t_signed" != no; then
546 AC_DEFINE([TIME_T_IS_SIGNED], 1,
547 [Define to 1 iff time_t is signed])
550 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
551 #ifdef HAVE_SYS_SOCKET_H
552 #include <sys/socket.h>
556 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
558 AC_CHECK_SIZEOF(cell_t)
560 # Now make sure that NULL can be represented as zero bytes.
561 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
562 [AC_RUN_IFELSE([AC_LANG_SOURCE(
563 [[#include <stdlib.h>
569 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
570 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
571 [tor_cv_null_is_zero=yes],
572 [tor_cv_null_is_zero=no],
573 [tor_cv_null_is_zero=cross])])
575 if test "$tor_cv_null_is_zero" = cross ; then
576 # Cross-compiling; let's hope that the target isn't raving mad.
577 AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
580 if test "$tor_cv_null_is_zero" != no; then
581 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
582 [Define to 1 iff memset(0) sets pointers to NULL])
585 # And what happens when we malloc zero?
586 AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
587 [AC_RUN_IFELSE([AC_LANG_SOURCE(
588 [[#include <stdlib.h>
594 int main () { return malloc(0)?0:1; }]])],
595 [tor_cv_malloc_zero_works=yes],
596 [tor_cv_malloc_zero_works=no],
597 [tor_cv_malloc_zero_works=cross])])
599 if test "$tor_cv_malloc_zero_works" = cross; then
600 # Cross-compiling; let's hope that the target isn't raving mad.
601 AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
604 if test "$tor_cv_malloc_zero_works" = yes; then
605 AC_DEFINE([MALLOC_ZERO_WORKS], 1,
606 [Define to 1 iff malloc(0) returns a pointer])
609 # whether we seem to be in a 2s-complement world.
610 AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
611 [AC_RUN_IFELSE([AC_LANG_SOURCE(
612 [[int main () { int problem = ((-99) != (~99)+1);
613 return problem ? 1 : 0; }]])],
614 [tor_cv_twos_complement=yes],
615 [tor_cv_twos_complement=no],
616 [tor_cv_twos_complement=cross])])
618 if test "$tor_cv_twos_complement" = cross ; then
619 # Cross-compiling; let's hope that the target isn't raving mad.
620 AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
623 if test "$tor_cv_twos_complement" != no ; then
624 AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
625 [Define to 1 iff we represent negative integers with two's complement])
628 # Whether we should use the dmalloc memory allocation debugging library.
629 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
631 [ --with-dmalloc Use debug memory allocation library. ],
632 [if [[ "$withval" = "yes" ]]; then
638 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
641 if [[ $dmalloc -eq 1 ]]; then
642 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
643 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
644 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
645 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
646 AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
649 AC_ARG_WITH(tcmalloc,
650 [ --with-tcmalloc Use tcmalloc memory allocation library. ],
651 [ tcmalloc=yes ], [ tcmalloc=no ])
653 if test x$tcmalloc = xyes ; then
654 LDFLAGS="-ltcmalloc $LDFLAGS"
657 # Allow user to specify an alternate syslog facility
658 AC_ARG_WITH(syslog-facility,
659 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
660 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
661 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
662 AC_SUBST(LOGFACILITY)
664 # Check if we have getresuid and getresgid
665 AC_CHECK_FUNCS(getresuid getresgid)
667 # Check for gethostbyname_r in all its glorious incompatible versions.
668 # (This logic is based on that in Python's configure.in)
669 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
670 [Define this if you have any gethostbyname_r()])
672 AC_CHECK_FUNC(gethostbyname_r, [
673 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
675 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
676 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
680 struct hostent *h1, *h2;
682 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
684 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
685 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
686 [Define this if gethostbyname_r takes 6 arguments])
695 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
697 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
698 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
699 [Define this if gethostbyname_r takes 5 arguments])
707 struct hostent_data hd;
708 (void) gethostbyname_r(cp1,h1,&hd);
710 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
711 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
712 [Define this if gethostbyname_r takes 3 arguments])
722 AC_CACHE_CHECK([whether the C compiler supports __func__],
723 tor_cv_have_func_macro,
726 int main(int c, char **v) { puts(__func__); }],
727 tor_cv_have_func_macro=yes,
728 tor_cv_have_func_macro=no))
730 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
731 tor_cv_have_FUNC_macro,
734 int main(int c, char **v) { puts(__FUNC__); }],
735 tor_cv_have_FUNC_macro=yes,
736 tor_cv_have_FUNC_macro=no))
738 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
739 tor_cv_have_FUNCTION_macro,
742 int main(int c, char **v) { puts(__FUNCTION__); }],
743 tor_cv_have_FUNCTION_macro=yes,
744 tor_cv_have_FUNCTION_macro=no))
746 if test "$tor_cv_have_func_macro" = 'yes'; then
747 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
750 if test "$tor_cv_have_FUNC_macro" = 'yes'; then
751 AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
754 if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
755 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
756 [Defined if the compiler supports __FUNCTION__])
759 # $prefix stores the value of the --prefix command line option, or
760 # NONE if the option wasn't set. In the case that it wasn't set, make
761 # it be the default, so that we can use it to expand directories now.
762 if test "x$prefix" = "xNONE"; then
763 prefix=$ac_default_prefix
766 # and similarly for $exec_prefix
767 if test "x$exec_prefix" = "xNONE"; then
771 if test "x$CONFDIR" = "x"; then
772 CONFDIR=`eval echo $sysconfdir/tor`
775 AH_TEMPLATE([CONFDIR],[tor's configuration directory])
776 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
778 BINDIR=`eval echo $bindir`
780 LOCALSTATEDIR=`eval echo $localstatedir`
781 AC_SUBST(LOCALSTATEDIR)
783 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
784 # than autoconf's macros like.
785 if test "$GCC" = yes; then
786 CFLAGS="$CFLAGS -Wall -g -O2"
787 # Disable GCC's strict aliasing checks. They are an hours-to-debug
788 # accident waiting to happen.
789 CFLAGS="$CFLAGS -fno-strict-aliasing"
791 CFLAGS="$CFLAGS -g -O"
792 enable_gcc_warnings=no
795 # Add some more warnings which we use in development but not in the
796 # released versions. (Some relevant gcc versions can't handle these.)
797 if test x$enable_gcc_warnings = xyes; then
799 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
800 #if !defined(__GNUC__) || (__GNUC__ < 4)
802 #endif]), have_gcc4=yes, have_gcc4=no)
804 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
805 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
807 #endif]), have_gcc42=yes, have_gcc42=no)
809 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
810 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
812 #endif]), have_gcc43=yes, have_gcc43=no)
814 save_CFLAGS="$CFLAGS"
815 CFLAGS="$CFLAGS -Wshorten-64-to-32"
816 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes,
817 have_shorten64_flag=no)
818 CFLAGS="$save_CFLAGS"
820 CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
822 # Disabled, so we can use mallinfo(): -Waggregate-return
824 if test x$have_gcc4 = xyes ; then
825 # These warnings break gcc 3.3.5 and work on gcc 4.0.2
826 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
829 if test x$have_gcc42 = xyes ; then
830 # These warnings break gcc 4.0.2 and work on gcc 4.2
831 # XXXX020 Use -fstack-protector.
832 # XXXX020 See if any of these work with earlier versions.
833 CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1"
834 # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
837 if test x$have_gcc43 = xyes ; then
838 # These warnings break gcc 4.2 and work on gcc 4.3
839 # XXXX020 See if any of these work with earlier versions.
840 CFLAGS="$CFLAGS -Wextra -Warray-bounds"
843 if test x$have_shorten64_flag = xyes ; then
844 CFLAGS="$CFLAGS -Wshorten-64-to-32"
847 ##This will break the world on some 64-bit architectures
848 # CFLAGS="$CFLAGS -Winline"
853 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
855 AC_CONFIG_FILES([Makefile tor.spec Doxyfile contrib/tor.sh contrib/torctl contrib/torify contrib/tor.logrotate contrib/Makefile contrib/osx/Makefile contrib/osx/TorBundleDesc.plist contrib/osx/TorBundleInfo.plist contrib/osx/TorDesc.plist contrib/osx/TorInfo.plist contrib/osx/TorStartupDesc.plist src/config/torrc.sample doc/tor.1 src/Makefile doc/Makefile doc/design-paper/Makefile doc/spec/Makefile src/config/Makefile src/common/Makefile src/or/Makefile src/win32/Makefile src/tools/Makefile contrib/suse/Makefile contrib/suse/tor.sh])
858 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
859 ./contrib/updateVersions.pl