2 dnl Copyright (c) 2001-2004, Roger Dingledine
3 dnl Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson
4 dnl See LICENSE for licensing information
7 AM_INIT_AUTOMAKE(tor, 0.1.2.3-alpha-dev)
8 AM_CONFIG_HEADER(orconfig.h)
12 if test -f /etc/redhat-release; then
13 CFLAGS="$CFLAGS -I/usr/kerberos/include"
17 AC_HELP_STRING(--enable-debug, compile with debugging info),
18 [if test x$enableval = xyes; then
22 AC_ARG_ENABLE(eventdns,
23 AC_HELP_STRING(--enable-eventdns, enable asynchronous dns module),
24 [case "${enableval}" in
27 *) AC_MSG_ERROR(bad value for --enable-eventdns) ;;
28 esac], [eventdns=true])
29 AM_CONDITIONAL(EVENTDNS, test x$eventdns = xtrue)
30 if test x$eventdns = xtrue; then
31 AC_DEFINE([USE_EVENTDNS], 1, "Define to 1 if we'll be using eventdns.c")
34 AC_ARG_ENABLE(transparent,
35 AC_HELP_STRING(--disable-transparent, disable transparent proxy support),
36 [case "${enableval}" in
37 yes) transparent=true ;;
38 no) transparent=false ;;
39 *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
40 esac], [transparent=true])
42 AC_ARG_ENABLE(threads,
43 AC_HELP_STRING(--disable-threads, disable multi-threading support))
45 if test x$enable_threads = x; then
47 *-*-netbsd* | *-*-openbsd* )
48 # Don't try multithreading on netbsd -- there is no threadsafe DNS
49 # lookup function there.
50 if test x$eventdns != xtrue; then
51 AC_MSG_NOTICE([You are running OpenBSD or NetBSD; I am assuming that
52 getaddrinfo is not threadsafe here, so I will disable threads.])
56 # Don't try multithreading on solaris -- cpuworkers seem to lock.
57 AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
58 cpu workers lock up here, so I will disable threads.])
61 enable_threads="yes";;
65 if test $enable_threads = "yes"; then
66 AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
71 AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
75 AC_ARG_ENABLE(gcc-warnings,
76 AC_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
82 # The big search for OpenSSL
83 # copied from openssh's configure.ac
86 [ --with-ssl-dir=PATH Specify path to OpenSSL installation ],
88 if test "x$withval" != "xno" ; then
95 AC_ARG_WITH(libevent-dir,
96 [ --with-libevent-dir=PATH Specify path to Libevent installation ],
98 if test "x$withval" != "xno" ; then
99 trylibeventdir=$withval
105 AC_ARG_WITH(tor-user,
106 [ --with-tor-user=NAME Specify username for tor daemon ],
114 AC_ARG_WITH(tor-group,
115 [ --with-tor-group=NAME Specify group name for tor daemon ],
123 dnl If WIN32 is defined and non-zero, we are building for win32
124 AC_MSG_CHECKING([for win32])
126 int main(int c, char **v) {
137 bwin32=true; AC_MSG_RESULT([yes]),
138 bwin32=false; AC_MSG_RESULT([no]),
139 bwin32=cross; AC_MSG_RESULT([cross])
142 if test $bwin32 = cross; then
143 AC_MSG_CHECKING([for win32 (cross)])
146 int main(int c, char **v) {return 0;}
149 int main(int c, char **v) {return x(y);}
152 bwin32=true; AC_MSG_RESULT([yes]),
153 bwin32=false; AC_MSG_RESULT([no]))
156 if test $bwin32 = true; then
157 AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
160 AC_SEARCH_LIBS(socket, [socket])
161 AC_SEARCH_LIBS(gethostbyname, [nsl])
162 AC_SEARCH_LIBS(dlopen, [dl])
163 AC_SEARCH_LIBS(inet_aton, [resolv])
165 if test $enable_threads = "yes"; then
166 AC_SEARCH_LIBS(pthread_create, [pthread])
167 AC_SEARCH_LIBS(pthread_detach, [pthread])
170 dnl -------------------------------------------------------------------
171 dnl Check for functions before libevent, since libevent-1.2 apparently
172 dnl exports strlcpy without defining it in a header.
174 AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull ftello getaddrinfo localtime_r gmtime_r memmem strtok_r)
176 if test $enable_threads = "yes"; then
177 AC_CHECK_HEADERS(pthread.h)
178 AC_CHECK_FUNCS(pthread_create)
181 dnl ------------------------------------------------------
182 dnl Where do you live, libevent? And how do we call you?
184 AC_CACHE_CHECK([for libevent directory], ac_cv_libevent_dir, [
186 saved_LDFLAGS="$LDFLAGS"
187 saved_CPPFLAGS="$CPPFLAGS"
189 for ledir in $trylibeventdir "" $prefix /usr/local ; do
190 LDFLAGS="$saved_LDFLAGS"
192 if test $bwin32 = true; then
193 LIBS="$saved_LIBS -levent -lws2_32"
195 LIBS="$saved_LIBS -levent"
198 # Skip the directory if it isn't there.
199 if test ! -z "$ledir" -a ! -d "$ledir" ; then
202 if test ! -z "$ledir" ; then
203 if test -d "$ledir/lib" ; then
204 LDFLAGS="-L$ledir/lib $LDFLAGS"
206 LDFLAGS="-L$ledir $LDFLAGS"
208 if test -d "$ledir/include" ; then
209 CPPFLAGS="-I$ledir/include $CPPFLAGS"
211 CPPFLAGS="-I$ledir $CPPFLAGS"
214 # Can I compile and link it?
215 AC_TRY_LINK([#include <sys/time.h>
216 #include <sys/types.h>
217 #include <event.h>], [ event_init(); ],
218 [ libevent_linked=yes ], [ libevent_linked=no ])
219 if test $libevent_linked = yes; then
220 if test ! -z "$ledir" ; then
221 ac_cv_libevent_dir=$ledir
223 ac_cv_libevent_dir="(system)"
230 LDFLAGS="$saved_LDFLAGS"
231 CPPFLAGS="$saved_CPPFLAGS"
232 if test $le_found = no ; then
233 AC_MSG_ERROR([Could not find a linkable libevent. You can specify an explicit path using --with-libevent-dir])
237 if test $bwin32 = true; then
238 LIBS="$LIBS -levent -lws2_32"
242 if test $ac_cv_libevent_dir != "(system)"; then
243 if test -d "$ac_cv_libevent_dir/lib" ; then
244 LDFLAGS="-L$ac_cv_libevent_dir/lib $LDFLAGS"
245 le_libdir="$ac_cv_libevent_dir/lib"
247 LDFLAGS="-L$ac_cv_libevent_dir $LDFLAGS"
248 le_libdir="$ac_cv_libevent_dir"
250 if test -d "$ac_cv_libevent_dir/include" ; then
251 CPPFLAGS="-I$ac_cv_libevent_dir/include $CPPFLAGS"
253 CPPFLAGS="-I$ac_cv_libevent_dir $CPPFLAGS"
257 if test -z "$CROSS_COMPILE"; then
258 AC_CACHE_CHECK([whether we need extra options to link libevent],
259 ac_cv_libevent_linker_option, [
260 saved_LDFLAGS="$LDFLAGS"
263 for le_extra in "" "-Wl,-R$le_libdir" "-R$le_libdir" ; do
264 LDFLAGS="$le_extra $saved_LDFLAGS"
265 AC_TRY_RUN([void *event_init(void);
266 int main(int c, char **v) {
267 event_init(); return 0;
269 libevent_runs=yes, libevent_runs=no)
270 if test $libevent_runs = yes ; then
271 if test -z "$le_extra" ; then
272 ac_cv_libevent_linker_option='(none)'
274 ac_cv_libevent_linker_option=$le_extra
280 if test $le_runs = no ; then
281 AC_MSG_ERROR([Found linkable libevent in $ac_cv_libevent_dir, but it doesn't run, even with -R. Maybe specify another using --with-libevent-dir?])
283 LDFLAGS="$saved_LDFLAGS"
286 if test $ac_cv_libevent_linker_option != '(none)' ; then
287 LDFLAGS="$ac_cv_libevent_linker_option $LDFLAGS"
291 dnl Now check for particular libevent functions.
292 AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
294 dnl ------------------------------------------------------
295 dnl Where do you live, openssl? And how do we call you?
297 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssl_dir, [
299 saved_LDFLAGS="$LDFLAGS"
300 saved_CPPFLAGS="$CPPFLAGS"
302 for ssldir in $tryssldir "" $prefix /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /usr/pkg /opt /opt/openssl ; do
303 LDFLAGS="$saved_LDFLAGS"
305 if test $bwin32 = true; then
306 LIBS="$saved_LIBS -lssl -lcrypto -lws2_32 -lgdi32"
308 LIBS="$saved_LIBS -lssl -lcrypto"
311 # Skip the directory if it isn't there.
312 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
315 if test ! -z "$ssldir" ; then
316 if test -d "$ssldir/lib" ; then
317 LDFLAGS="-L$ssldir/lib $LDFLAGS"
319 LDFLAGS="-L$ssldir $LDFLAGS"
321 if test -d "$ssldir/include" ; then
322 CPPFLAGS="-I$ssldir/include $CPPFLAGS"
324 CPPFLAGS="-I$ssldir $CPPFLAGS"
328 AC_TRY_LINK([#include <openssl/rand.h>],
329 [ RAND_add((void*)0,0,0); ],
330 [ openssl_linked=yes ], [ openssl_linked=no ])
331 if test $openssl_linked = yes; then
332 if test ! -z "$ssldir" ; then
333 ac_cv_openssl_dir=$ssldir
335 ac_cv_openssl_dir="(system)"
342 LDFLAGS="$saved_LDFLAGS"
343 CPPFLAGS="$saved_CPPFLAGS"
344 if test $ssl_found = no ; then
345 AC_MSG_ERROR([Could not find a linkable OpenSSL. You can specify an explicit path using --with-ssl-dir])
349 if test $bwin32 = true; then
350 LIBS="$LIBS -lssl -lcrypto -lws2_32 -lgdi32"
352 LIBS="$LIBS -lssl -lcrypto"
355 if test "$ac_cv_openssl_dir" != "(system)"; then
356 if test -d "$ac_cv_openssl_dir/lib" ; then
357 LDFLAGS="-L$ac_cv_openssl_dir/lib $LDFLAGS"
358 ssl_libdir="$ac_cv_openssl_dir/lib"
360 LDFLAGS="-L$ac_cv_openssl_dir $LDFLAGS"
361 ssl_libdir="$ac_cv_openssl_dir"
363 if test -d "$ac_cv_openssl_dir/include" ; then
364 CPPFLAGS="-I$ac_cv_openssl_dir/include $CPPFLAGS"
366 CPPFLAGS="-I$ac_cv_openssl_dir $CPPFLAGS"
370 if test -z "$CROSS_COMPILE"
372 AC_CACHE_CHECK([whether we need extra options to link OpenSSL],
373 ac_cv_openssl_linker_option, [
374 saved_LDFLAGS="$LDFLAGS"
377 for ssl_extra in "" "-Wl,-R$ssl_libdir" "-R$ssl_libdir" ; do
378 LDFLAGS="$ssl_extra $saved_LDFLAGS"
381 #include <openssl/rand.h>
385 memset(a, 0, sizeof(a));
386 RAND_add(a, sizeof(a), sizeof(a));
387 return(RAND_status() <= 0);
390 openssl_runs=yes, openssl_runs=no)
391 if test $openssl_runs = yes ; then
392 if test "$linked_with" = nothing; then
393 linked_with="$ssl_extra"
396 #include <openssl/opensslv.h>
397 #include <openssl/crypto.h>
399 return (OPENSSL_VERSION_NUMBER == SSLeay()) == 0;
401 right_version=yes, right_version=no)
402 if test "$right_version" = yes; then
403 if test -z "$ssl_extra" ; then
404 ac_cv_openssl_linker_option='(none)'
406 ac_cv_openssl_linker_option=$ssl_extra
413 if test $ssl_runs = no ; then
414 if test "$linked_with" = 'nothing' ; then
415 AC_MSG_ERROR([Found linkable OpenSSL in $ac_cv_openssl_dir, but it doesn't run, even with -R. Maybe specify another using --with-ssl-dir?])
417 if test -z "$linked_with" ; then
418 ac_cv_openssl_linker_option='(none)'
420 ac_cv_openssl_linker_option=$linked_with
422 AC_MSG_WARN([I managed to make OpenSSL link and run, but I couldn't make it link against the same version I found header files for.])
425 LDFLAGS="$saved_LDFLAGS"
428 if test "$ac_cv_openssl_linker_option" != '(none)' ; then
429 LDFLAGS="$ac_cv_openssl_linker_option $LDFLAGS"
433 dnl Make sure to enable support for large off_t if avalable.
437 dnl The warning message here is no longer strictly accurate.
439 AC_CHECK_HEADERS(unistd.h string.h signal.h ctype.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(some headers were not found, compilation may fail))
441 AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h)
443 AC_CHECK_HEADERS(event.h, , AC_MSG_ERROR(Libevent header (event.h) not found. Tor requires libevent to build.),
444 [#ifdef HAVE_SYS_TYPES_H
445 #include <sys/types.h>
447 #ifdef HAVE_SYS_TIME_H
448 #include <sys/time.h>
456 AC_CHECK_HEADERS(zlib.h, , AC_MSG_ERROR(Zlib header (zlib.h) not found. Tor requires zlib to build. You may need to install a zlib development package.))
458 dnl These headers are not essential
460 AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h)
462 AC_CHECK_HEADERS(net/if.h, [net_if_found=1], [net_if_found=0],
463 [#ifdef HAVE_SYS_TYPES_H
464 #include <sys/types.h>
466 #ifdef HAVE_SYS_SOCKET_H
467 #include <sys/socket.h>
469 AC_CHECK_HEADERS(net/pfvar.h, [net_pfvar_found=1], [net_pfvar_found=0],
470 [#ifdef HAVE_SYS_TYPES_H
471 #include <sys/types.h>
473 #ifdef HAVE_SYS_SOCKET_H
474 #include <sys/socket.h>
479 AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
480 [linux_netfilter_ipv4=1], [linux_netfilter_ipv4=0],
481 [#ifdef HAVE_SYS_SOCKET_H
482 #include <sys/socket.h>
485 if test x$transparent = xtrue ; then
487 if test x$net_if_found = x1 -a x$net_pfvar_found = x1 ; then
490 if test x$linux_netfilter_ipv4 = x1 ; then
493 if test x$transparent_ok = x1 ; then
494 AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
497 AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
500 AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
506 AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
507 [#ifdef HAVE_SYS_TYPES_H
508 #include <sys/types.h>
510 #ifdef HAVE_SYS_TIME_H
511 #include <sys/time.h>
514 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
517 AC_CHECK_SIZEOF(int8_t)
518 AC_CHECK_SIZEOF(int16_t)
519 AC_CHECK_SIZEOF(int32_t)
520 AC_CHECK_SIZEOF(int64_t)
521 AC_CHECK_SIZEOF(uint8_t)
522 AC_CHECK_SIZEOF(uint16_t)
523 AC_CHECK_SIZEOF(uint32_t)
524 AC_CHECK_SIZEOF(uint64_t)
525 AC_CHECK_SIZEOF(intptr_t)
526 AC_CHECK_SIZEOF(uintptr_t)
528 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
530 AC_CHECK_SIZEOF(char)
531 AC_CHECK_SIZEOF(short)
533 AC_CHECK_SIZEOF(long)
534 AC_CHECK_SIZEOF(long long)
535 AC_CHECK_SIZEOF(__int64)
536 AC_CHECK_SIZEOF(void *)
537 AC_CHECK_SIZEOF(time_t)
538 AC_CHECK_SIZEOF(size_t)
540 AC_CHECK_TYPES([uint, u_char])
542 if test -z "$CROSS_COMPILE"; then
543 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
545 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }],
546 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes)
549 # Cross-compiling; let's hope the target platform isn't loony.
550 AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
551 tor_cv_time_t_signed=yes
554 if test $tor_cv_time_t_signed = yes; then
555 AC_DEFINE([TIME_T_IS_SIGNED], 1,
556 [Define to 1 iff time_t is signed])
559 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
560 #ifdef HAVE_SYS_SOCKET_H
561 #include <sys/socket.h>
565 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
567 AC_CHECK_SIZEOF(cell_t)
569 # Now make sure that NULL can be represented as zero bytes.
570 if test -z "$CROSS_COMPILE"; then
571 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
572 [AC_RUN_IFELSE([AC_LANG_SOURCE(
573 [[#include <stdlib.h>
579 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
580 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
581 [tor_cv_null_is_zero=yes],
582 [tor_cv_null_is_zero=no],
583 [tor_cv_null_is_zero=cross])])
586 # Cross-compiling; let's hope that the target isn't raving mad.
587 AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
588 tor_cv_null_is_zero=yes
591 if test $tor_cv_null_is_zero = yes; then
592 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
593 [Define to 1 iff memset(0) sets pointers to NULL])
596 # And what happens when we malloc zero?
598 if test -z "$CROSS_COMPILE"; then
599 AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
600 [AC_RUN_IFELSE([AC_LANG_SOURCE(
601 [[#include <stdlib.h>
607 int main () { return malloc(0)?0:1; }]])],
608 [tor_cv_malloc_zero_works=yes],
609 [tor_cv_malloc_zero_works=no],
610 [tor_cv_malloc_zero_works=cross])])
613 # Cross-compiling; let's hope that the target isn't raving mad.
614 AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
615 tor_cv_malloc_zero_works=no
618 if test $tor_cv_malloc_zero_works = yes; then
619 AC_DEFINE([MALLOC_ZERO_WORKS], 1,
620 [Define to 1 iff malloc(0) returns a pointer])
623 # whether we seem to be in a 2s-complement world.
624 if test -z "$CROSS_COMPILE"; then
625 AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
626 [AC_RUN_IFELSE([AC_LANG_SOURCE(
627 [[int main () { int problem = ((-99) != (~99)+1);
628 return problem ? 1 : 0; }]])],
629 [tor_cv_twos_complement=yes],
630 [tor_cv_twos_complement=no],
631 [tor_cv_twos_complement=cross])])
634 # Cross-compiling; let's hope that the target isn't raving mad.
635 AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
636 tor_cv_twos_complement=yes
639 if test $tor_cv_twos_complement = yes; then
640 AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
641 [Define to 1 iff we represent negative integers with two's complement])
644 # Whether we should use the dmalloc memory allocation debugging library.
645 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
647 [ --with-dmalloc Use debug memory allocation library. ],
648 [if [[ "$withval" = "yes" ]]; then
654 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
657 if [[ $dmalloc -eq 1 ]]; then
658 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
659 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
660 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
661 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
664 # Allow user to specify an alternate syslog facility
665 AC_ARG_WITH(syslog-facility,
666 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
667 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
668 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
669 AC_SUBST(LOGFACILITY)
671 # Check for gethostbyname_r in all its glorious incompatible versions.
672 # (This logic is based on that in Python's configure.in)
673 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
674 [Define this if you have any gethostbyname_r()])
676 AC_CHECK_FUNC(gethostbyname_r, [
677 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
679 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
684 struct hostent *h1, *h2;
686 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
688 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
689 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
690 [Define this if gethostbyname_r takes 6 arguments])
699 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
701 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
702 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
703 [Define this if gethostbyname_r takes 5 arguments])
711 struct hostent_data hd;
712 (void) gethostbyname_r(cp1,h1,&hd);
714 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
715 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
716 [Define this if gethostbyname_r takes 3 arguments])
726 AC_CACHE_CHECK([whether the C compiler supports __func__],
727 ac_cv_have_func_macro,
730 int main(int c, char **v) { puts(__func__); }],
731 ac_cv_have_func_macro=yes,
732 ac_cv_have_func_macro=no))
734 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
735 ac_cv_have_FUNC_macro,
738 int main(int c, char **v) { puts(__FUNC__); }],
739 ac_cv_have_FUNC_macro=yes,
740 ac_cv_have_FUNC_macro=no))
742 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
743 ac_cv_have_FUNCTION_macro,
746 int main(int c, char **v) { puts(__FUNCTION__); }],
747 ac_cv_have_FUNCTION_macro=yes,
748 ac_cv_have_FUNCTION_macro=no))
750 if test $ac_cv_have_func_macro = 'yes'; then
751 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
754 if test $ac_cv_have_FUNC_macro = 'yes'; then
755 AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
758 if test $ac_cv_have_FUNCTION_macro = 'yes'; then
759 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
760 [Defined if the compiler supports __FUNCTION__])
763 # $prefix stores the value of the --prefix command line option, or
764 # NONE if the option wasn't set. In the case that it wasn't set, make
765 # it be the default, so that we can use it to expand directories now.
766 if test "x$prefix" = "xNONE"; then
767 prefix=$ac_default_prefix
770 # and similarly for $exec_prefix
771 if test "x$exec_prefix" = "xNONE"; then
775 if test "x$CONFDIR" = "x"; then
776 CONFDIR=`eval echo $sysconfdir/tor`
779 AH_TEMPLATE([CONFDIR],[tor's configuration directory])
780 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
782 BINDIR=`eval echo $bindir`
785 LOCALSTATEDIR=`eval echo $localstatedir`
786 AC_SUBST(LOCALSTATEDIR)
787 AH_TEMPLATE([LOCALSTATEDIR], [Default location to store state files.])
788 AC_DEFINE_UNQUOTED(LOCALSTATEDIR,"$LOCALSTATEDIR")
790 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
791 # than autoconf's macros like.
792 if test $ac_cv_c_compiler_gnu = yes; then
793 CFLAGS="$CFLAGS -Wall -g -O2"
795 CFLAGS="$CFLAGS -g -O"
796 enable_gcc_warnings=no
799 # Add some more warnings which we use in the cvs version but not in the
800 # released versions. (Some relevant gcc versions can't handle these.)
801 if test x$enable_gcc_warnings = xyes; then
804 #if !defined(__GNUC__) || (__GNUC__ < 4)
806 #endif], have_gcc4=yes, have_gcc4=no)
808 CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Waggregate-return -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
810 if test x$have_gcc4 = xyes ; then
811 # These warnings break gcc 3.3.5 and work on gcc 4.0.2
812 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
815 ##This will break the world on some 64-bit architectures
816 # CFLAGS="$CFLAGS -Winline"
820 AC_OUTPUT(Makefile tor.spec 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 src/config/Makefile src/common/Makefile src/or/Makefile src/win32/Makefile src/tools/Makefile contrib/suse/Makefile contrib/suse/tor.sh)
822 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
823 ./contrib/updateVersions.pl