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, 0.2.2.3-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 "$enable_threads" = "yes"; then
79 AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
84 AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
88 AC_ARG_ENABLE(gcc-warnings,
89 AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
91 AC_ARG_ENABLE(local-appdata,
92 AS_HELP_STRING(--enable-local-appdata, default to host local application data paths on Windows))
93 if test "$enable_local_appdata" = "yes"; then
94 AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
95 [Defined if we default to host local appdata paths on Windows])
103 dnl autoconf 2.59 appears not to support AC_PROG_SED
104 AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
106 AC_PATH_PROG([SHA1SUM], [sha1sum], none)
107 AC_PATH_PROG([OPENSSL], [openssl], none)
110 AC_ARG_WITH(tor-user,
111 [ --with-tor-user=NAME Specify username for tor daemon ],
119 AC_ARG_WITH(tor-group,
120 [ --with-tor-group=NAME Specify group name for tor daemon ],
128 dnl If WIN32 is defined and non-zero, we are building for win32
129 AC_MSG_CHECKING([for win32])
131 int main(int c, char **v) {
142 bwin32=true; AC_MSG_RESULT([yes]),
143 bwin32=false; AC_MSG_RESULT([no]),
144 bwin32=cross; AC_MSG_RESULT([cross])
147 if test "$bwin32" = cross; then
148 AC_MSG_CHECKING([for win32 (cross)])
151 int main(int c, char **v) {return 0;}
154 int main(int c, char **v) {return x(y);}
157 bwin32=true; AC_MSG_RESULT([yes]),
158 bwin32=false; AC_MSG_RESULT([no]))
161 if test "$bwin32" = true; then
162 AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
164 AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
166 dnl Enable C99 when compiling with MIPSpro
167 AC_MSG_CHECKING([for MIPSpro compiler])
168 AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
169 #if (defined(__sgi) && defined(_COMPILER_VERSION))
174 bmipspro=false; AC_MSG_RESULT(no),
175 bmipspro=true; AC_MSG_RESULT(yes))
177 if test "$bmipspro" = true; then
178 CFLAGS="$CFLAGS -c99"
183 AC_SEARCH_LIBS(socket, [socket])
184 AC_SEARCH_LIBS(gethostbyname, [nsl])
185 AC_SEARCH_LIBS(dlopen, [dl])
186 AC_SEARCH_LIBS(inet_aton, [resolv])
188 if test "$enable_threads" = "yes"; then
189 AC_SEARCH_LIBS(pthread_create, [pthread])
190 AC_SEARCH_LIBS(pthread_detach, [pthread])
193 dnl -------------------------------------------------------------------
194 dnl Check for functions before libevent, since libevent-1.2 apparently
195 dnl exports strlcpy without defining it in a header.
197 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)
199 using_custom_malloc=no
200 if test x$enable_openbsd_malloc = xyes ; then
201 AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
202 using_custom_malloc=yes
204 if test x$tcmalloc = xyes ; then
205 using_custom_malloc=yes
207 if test $using_custom_malloc = no ; then
208 AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
211 if test "$enable_threads" = "yes"; then
212 AC_CHECK_HEADERS(pthread.h)
213 AC_CHECK_FUNCS(pthread_create)
216 dnl ------------------------------------------------------
217 dnl Where do you live, libevent? And how do we call you?
219 if test "$bwin32" = true; then
220 TOR_LIB_WS32=-lws2_32
221 # Some of the cargo-cults recommend -lwsock32 as well, but I don't
222 # think it's actually necessary.
228 AC_SUBST(TOR_LIB_WS32)
229 AC_SUBST(TOR_LIB_GDI)
231 dnl We need to do this before we try our disgusting hack below.
232 AC_CHECK_HEADERS([sys/types.h])
234 dnl This is a disgusting hack so we safely include older libevent headers.
235 AC_CHECK_TYPE(u_int64_t, unsigned long long)
236 AC_CHECK_TYPE(u_int32_t, unsigned long)
237 AC_CHECK_TYPE(u_int16_t, unsigned short)
238 AC_CHECK_TYPE(u_int8_t, unsigned char)
240 tor_libevent_pkg_redhat="libevent"
241 tor_libevent_pkg_debian="libevent-dev"
242 tor_libevent_devpkg_redhat="libevent-devel"
243 tor_libevent_devpkg_debian="libevent-dev"
245 TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
247 #include <winsock2.h>
250 #include <sys/time.h>
251 #include <sys/types.h>
252 #include <event.h>], [
254 #include <winsock2.h>
256 void exit(int); void *event_init(void);],
259 {WSADATA d; WSAStartup(0x101,&d); }
261 event_init(); exit(0);
262 ], [--with-libevent-dir], [/opt/libevent])
264 dnl Now check for particular libevent functions.
266 save_LDFLAGS="$LDFLAGS"
267 save_CPPFLAGS="$CPPFLAGS"
268 LIBS="-levent $TOR_LIB_WS32 $LIBS"
269 LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
270 CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
271 AC_CHECK_FUNCS(event_get_version event_get_version_number event_get_method event_set_log_callback evdns_set_outgoing_bind_address event_base_loopexit)
272 AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
276 AC_CHECK_HEADERS(event2/event.h event2/dns.h)
279 LDFLAGS="$save_LDFLAGS"
280 CPPFLAGS="$save_CPPFLAGS"
282 AM_CONDITIONAL(USE_EXTERNAL_EVDNS, test x$ac_cv_header_event2_dns_h = xyes)
284 dnl ------------------------------------------------------
285 dnl Where do you live, openssl? And how do we call you?
287 tor_openssl_pkg_redhat="openssl"
288 tor_openssl_pkg_debian="libssl"
289 tor_openssl_devpkg_redhat="openssl-devel"
290 tor_openssl_devpkg_debian="libssl-dev"
292 ALT_openssl_WITHVAL=""
294 [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
296 if test "x$withval" != xno && test "x$withval" != "x" ; then
297 ALT_openssl_WITHVAL="$withval"
301 TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
302 [#include <openssl/rand.h>],
303 [void RAND_add(const void *buf, int num, double entropy);],
304 [RAND_add((void*)0,0,0); exit(0);], [],
305 [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
307 dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
309 dnl ------------------------------------------------------
310 dnl Where do you live, zlib? And how do we call you?
312 tor_openssl_pkg_redhat="zlib"
313 tor_openssl_pkg_debian="zlib1g"
314 tor_openssl_devpkg_redhat="zlib-devel"
315 tor_openssl_devpkg_debian="zlib1g-dev"
317 TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
319 [const char * zlibVersion(void);],
320 [zlibVersion(); exit(0);], [--with-zlib-dir],
323 dnl Make sure to enable support for large off_t if available.
327 AC_CHECK_HEADERS(unistd.h string.h signal.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
329 AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h sys/uio.h)
331 dnl These headers are not essential
333 AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netinet/in6.h malloc.h sys/syslimits.h malloc/malloc.h linux/types.h sys/file.h malloc_np.h sys/prctl.h)
335 TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
336 [#ifdef HAVE_MALLOC_H
339 #ifdef HAVE_MALLOC_MALLOC_H
340 #include <malloc/malloc.h>
343 AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
344 [#ifdef HAVE_SYS_TYPES_H
345 #include <sys/types.h>
347 #ifdef HAVE_SYS_SOCKET_H
348 #include <sys/socket.h>
350 AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
351 [#ifdef HAVE_SYS_TYPES_H
352 #include <sys/types.h>
354 #ifdef HAVE_SYS_SOCKET_H
355 #include <sys/socket.h>
360 AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
361 linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
362 [#ifdef HAVE_SYS_TYPES_H
363 #include <sys/types.h>
365 #ifdef HAVE_SYS_SOCKET_H
366 #include <sys/socket.h>
371 #ifdef HAVE_LINUX_TYPES_H
372 #include <linux/types.h>
374 #ifdef HAVE_NETINET_IN6_H
375 #include <netinet/in6.h>
377 #ifdef HAVE_NETINET_IN_H
378 #include <netinet/in.h>
381 if test x$transparent = xtrue ; then
383 if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
386 if test x$linux_netfilter_ipv4 = x1 ; then
389 if test x$transparent_ok = x1 ; then
390 AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
393 AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
396 AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
400 AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
401 [#ifdef HAVE_SYS_TYPES_H
402 #include <sys/types.h>
404 #ifdef HAVE_SYS_TIME_H
405 #include <sys/time.h>
408 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
411 AC_CHECK_SIZEOF(int8_t)
412 AC_CHECK_SIZEOF(int16_t)
413 AC_CHECK_SIZEOF(int32_t)
414 AC_CHECK_SIZEOF(int64_t)
415 AC_CHECK_SIZEOF(uint8_t)
416 AC_CHECK_SIZEOF(uint16_t)
417 AC_CHECK_SIZEOF(uint32_t)
418 AC_CHECK_SIZEOF(uint64_t)
419 AC_CHECK_SIZEOF(intptr_t)
420 AC_CHECK_SIZEOF(uintptr_t)
422 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
424 AC_CHECK_SIZEOF(char)
425 AC_CHECK_SIZEOF(short)
427 AC_CHECK_SIZEOF(long)
428 AC_CHECK_SIZEOF(long long)
429 AC_CHECK_SIZEOF(__int64)
430 AC_CHECK_SIZEOF(void *)
431 AC_CHECK_SIZEOF(time_t)
432 AC_CHECK_SIZEOF(size_t)
434 AC_CHECK_TYPES([uint, u_char, ssize_t])
436 dnl used to include sockaddr_storage, but everybody has that.
437 AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
438 [#ifdef HAVE_SYS_TYPES_H
439 #include <sys/types.h>
441 #ifdef HAVE_NETINET_IN_H
442 #include <netinet/in.h>
444 #ifdef HAVE_NETINET_IN6_H
445 #include <netinet/in6.h>
447 #ifdef HAVE_SYS_SOCKET_H
448 #include <sys/socket.h>
451 #define WIN32_WINNT 0x400
452 #define _WIN32_WINNT 0x400
453 #define WIN32_LEAN_AND_MEAN
454 #if defined(_MSC_VER) && (_MSC_VER < 1300)
457 #include <winsock2.h>
458 #include <ws2tcpip.h>
462 AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
463 [#ifdef HAVE_SYS_TYPES_H
464 #include <sys/types.h>
466 #ifdef HAVE_NETINET_IN_H
467 #include <netinet/in.h>
469 #ifdef HAVE_NETINET_IN6_H
470 #include <netinet/in6.h>
472 #ifdef HAVE_SYS_SOCKET_H
473 #include <sys/socket.h>
476 #define WIN32_WINNT 0x400
477 #define _WIN32_WINNT 0x400
478 #define WIN32_LEAN_AND_MEAN
479 #if defined(_MSC_VER) && (_MSC_VER < 1300)
482 #include <winsock2.h>
483 #include <ws2tcpip.h>
488 AC_CHECK_TYPES([rlim_t], , ,
489 [#ifdef HAVE_SYS_TYPES_H
490 #include <sys/types.h>
492 #ifdef HAVE_SYS_TIME_H
493 #include <sys/time.h>
495 #ifdef HAVE_SYS_RESOURCE_H
496 #include <sys/resource.h>
500 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
501 AC_RUN_IFELSE(AC_LANG_SOURCE([
502 #ifdef HAVE_SYS_TYPES_H
503 #include <sys/types.h>
505 #ifdef HAVE_SYS_TIME_H
506 #include <sys/time.h>
511 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
512 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
515 if test "$tor_cv_time_t_signed" = cross; then
516 AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
519 if test "$tor_cv_time_t_signed" != no; then
520 AC_DEFINE([TIME_T_IS_SIGNED], 1,
521 [Define to 1 iff time_t is signed])
524 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
525 #ifdef HAVE_SYS_SOCKET_H
526 #include <sys/socket.h>
530 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
532 AC_CHECK_SIZEOF(cell_t)
534 # Now make sure that NULL can be represented as zero bytes.
535 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
536 [AC_RUN_IFELSE([AC_LANG_SOURCE(
537 [[#include <stdlib.h>
543 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
544 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
545 [tor_cv_null_is_zero=yes],
546 [tor_cv_null_is_zero=no],
547 [tor_cv_null_is_zero=cross])])
549 if test "$tor_cv_null_is_zero" = cross ; then
550 # Cross-compiling; let's hope that the target isn't raving mad.
551 AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
554 if test "$tor_cv_null_is_zero" != no; then
555 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
556 [Define to 1 iff memset(0) sets pointers to NULL])
559 # And what happens when we malloc zero?
560 AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
561 [AC_RUN_IFELSE([AC_LANG_SOURCE(
562 [[#include <stdlib.h>
568 int main () { return malloc(0)?0:1; }]])],
569 [tor_cv_malloc_zero_works=yes],
570 [tor_cv_malloc_zero_works=no],
571 [tor_cv_malloc_zero_works=cross])])
573 if test "$tor_cv_malloc_zero_works" = cross; then
574 # Cross-compiling; let's hope that the target isn't raving mad.
575 AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
578 if test "$tor_cv_malloc_zero_works" = yes; then
579 AC_DEFINE([MALLOC_ZERO_WORKS], 1,
580 [Define to 1 iff malloc(0) returns a pointer])
583 # whether we seem to be in a 2s-complement world.
584 AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
585 [AC_RUN_IFELSE([AC_LANG_SOURCE(
586 [[int main () { int problem = ((-99) != (~99)+1);
587 return problem ? 1 : 0; }]])],
588 [tor_cv_twos_complement=yes],
589 [tor_cv_twos_complement=no],
590 [tor_cv_twos_complement=cross])])
592 if test "$tor_cv_twos_complement" = cross ; then
593 # Cross-compiling; let's hope that the target isn't raving mad.
594 AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
597 if test "$tor_cv_twos_complement" != no ; then
598 AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
599 [Define to 1 iff we represent negative integers with two's complement])
602 # Whether we should use the dmalloc memory allocation debugging library.
603 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
605 [ --with-dmalloc Use debug memory allocation library. ],
606 [if [[ "$withval" = "yes" ]]; then
612 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
615 if [[ $dmalloc -eq 1 ]]; then
616 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
617 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
618 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
619 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
620 AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
623 AC_ARG_WITH(tcmalloc,
624 [ --with-tcmalloc Use tcmalloc memory allocation library. ],
625 [ tcmalloc=yes ], [ tcmalloc=no ])
627 if test x$tcmalloc = xyes ; then
628 LDFLAGS="-ltcmalloc $LDFLAGS"
631 # Allow user to specify an alternate syslog facility
632 AC_ARG_WITH(syslog-facility,
633 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
634 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
635 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
636 AC_SUBST(LOGFACILITY)
638 # Check if we have getresuid and getresgid
639 AC_CHECK_FUNCS(getresuid getresgid)
641 # Check for gethostbyname_r in all its glorious incompatible versions.
642 # (This logic is based on that in Python's configure.in)
643 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
644 [Define this if you have any gethostbyname_r()])
646 AC_CHECK_FUNC(gethostbyname_r, [
647 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
649 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
650 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
654 struct hostent *h1, *h2;
656 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
658 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
659 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
660 [Define this if gethostbyname_r takes 6 arguments])
669 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
671 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
672 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
673 [Define this if gethostbyname_r takes 5 arguments])
681 struct hostent_data hd;
682 (void) gethostbyname_r(cp1,h1,&hd);
684 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
685 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
686 [Define this if gethostbyname_r takes 3 arguments])
696 AC_CACHE_CHECK([whether the C compiler supports __func__],
697 tor_cv_have_func_macro,
700 int main(int c, char **v) { puts(__func__); }],
701 tor_cv_have_func_macro=yes,
702 tor_cv_have_func_macro=no))
704 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
705 tor_cv_have_FUNC_macro,
708 int main(int c, char **v) { puts(__FUNC__); }],
709 tor_cv_have_FUNC_macro=yes,
710 tor_cv_have_FUNC_macro=no))
712 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
713 tor_cv_have_FUNCTION_macro,
716 int main(int c, char **v) { puts(__FUNCTION__); }],
717 tor_cv_have_FUNCTION_macro=yes,
718 tor_cv_have_FUNCTION_macro=no))
720 if test "$tor_cv_have_func_macro" = 'yes'; then
721 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
724 if test "$tor_cv_have_FUNC_macro" = 'yes'; then
725 AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
728 if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
729 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
730 [Defined if the compiler supports __FUNCTION__])
733 # $prefix stores the value of the --prefix command line option, or
734 # NONE if the option wasn't set. In the case that it wasn't set, make
735 # it be the default, so that we can use it to expand directories now.
736 if test "x$prefix" = "xNONE"; then
737 prefix=$ac_default_prefix
740 # and similarly for $exec_prefix
741 if test "x$exec_prefix" = "xNONE"; then
745 if test "x$CONFDIR" = "x"; then
746 CONFDIR=`eval echo $sysconfdir/tor`
749 AH_TEMPLATE([CONFDIR],[tor's configuration directory])
750 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
752 BINDIR=`eval echo $bindir`
754 LOCALSTATEDIR=`eval echo $localstatedir`
755 AC_SUBST(LOCALSTATEDIR)
757 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
758 # than autoconf's macros like.
759 if test "$GCC" = yes; then
760 CFLAGS="$CFLAGS -Wall -g -O2"
761 # Disable GCC's strict aliasing checks. They are an hours-to-debug
762 # accident waiting to happen.
763 CFLAGS="$CFLAGS -fno-strict-aliasing"
765 CFLAGS="$CFLAGS -g -O"
766 enable_gcc_warnings=no
769 # Add some more warnings which we use in development but not in the
770 # released versions. (Some relevant gcc versions can't handle these.)
771 if test x$enable_gcc_warnings = xyes; then
773 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
774 #if !defined(__GNUC__) || (__GNUC__ < 4)
776 #endif]), have_gcc4=yes, have_gcc4=no)
778 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
779 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
781 #endif]), have_gcc42=yes, have_gcc42=no)
783 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
784 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
786 #endif]), have_gcc43=yes, have_gcc43=no)
788 save_CFLAGS="$CFLAGS"
789 CFLAGS="$CFLAGS -Wshorten-64-to-32"
790 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes,
791 have_shorten64_flag=no)
792 CFLAGS="$save_CFLAGS"
794 CFLAGS="$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"
796 # Disabled, so we can use mallinfo(): -Waggregate-return
798 if test x$have_gcc4 = xyes ; then
799 # These warnings break gcc 3.3.5 and work on gcc 4.0.2
800 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
803 if test x$have_gcc42 = xyes ; then
804 # These warnings break gcc 4.0.2 and work on gcc 4.2
805 # XXXX020 Use -fstack-protector.
806 # XXXX020 See if any of these work with earlier versions.
807 CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1"
808 # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
811 if test x$have_gcc43 = xyes ; then
812 # These warnings break gcc 4.2 and work on gcc 4.3
813 # XXXX020 See if any of these work with earlier versions.
814 CFLAGS="$CFLAGS -Wextra -Warray-bounds"
817 if test x$have_shorten64_flag = xyes ; then
818 CFLAGS="$CFLAGS -Wshorten-64-to-32"
821 ##This will break the world on some 64-bit architectures
822 # CFLAGS="$CFLAGS -Winline"
827 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
829 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/test/Makefile src/win32/Makefile src/tools/Makefile contrib/suse/Makefile contrib/suse/tor.sh])
832 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
833 ./contrib/updateVersions.pl