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, 0.1.1.17-rc-cvs)
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(threads,
23 AC_HELP_STRING(--disable-threads, disable multi-threading support))
25 if test x$enable_threads = x; then
27 *-*-netbsd* | *-*-openbsd* )
28 # Don't try multithreading on netbsd -- there is no threadsafe DNS
29 # lookup function there.
30 AC_MSG_NOTICE([You are running OpenBSD or NetBSD; I am assuming that
31 getaddrinfo is not threadsafe here, so I will disable threads.])
34 # Don't try multithreading on solaris -- cpuworkers seem to lock.
35 AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
36 cpu workers lock up here, so I will disable threads.])
39 enable_threads="yes";;
43 if test $enable_threads = "yes"; then
44 AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
49 AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
57 # The big search for OpenSSL
58 # copied from openssh's configure.ac
61 [ --with-ssl-dir=PATH Specify path to OpenSSL installation ],
63 if test "x$withval" != "xno" ; then
70 AC_ARG_WITH(libevent-dir,
71 [ --with-libevent-dir=PATH Specify path to Libevent installation ],
73 if test "x$withval" != "xno" ; then
74 trylibeventdir=$withval
81 [ --with-tor-user=NAME Specify username for tor daemon ],
89 AC_ARG_WITH(tor-group,
90 [ --with-tor-group=NAME Specify group name for tor daemon ],
97 AC_SEARCH_LIBS(socket, [socket])
98 AC_SEARCH_LIBS(gethostbyname, [nsl])
99 AC_SEARCH_LIBS(dlopen, [dl])
101 if test $enable_threads = "yes"; then
102 AC_SEARCH_LIBS(pthread_create, [pthread])
103 AC_SEARCH_LIBS(pthread_detach, [pthread])
106 dnl ------------------------------------------------------
107 dnl Where do you live, libevent? And how do we call you?
109 AC_CACHE_CHECK([for libevent directory], ac_cv_libevent_dir, [
111 saved_LDFLAGS="$LDFLAGS"
112 saved_CPPFLAGS="$CPPFLAGS"
114 for ledir in $trylibeventdir "" $prefix /usr/local ; do
115 LDFLAGS="$saved_LDFLAGS"
116 LIBS="$saved_LIBS -levent"
118 # Skip the directory if it isn't there.
119 if test ! -z "$ledir" -a ! -d "$ledir" ; then
122 if test ! -z "$ledir" ; then
123 if test -d "$ledir/lib" ; then
124 LDFLAGS="-L$ledir/lib $LDFLAGS"
126 LDFLAGS="-L$ledir $LDFLAGS"
128 if test -d "$ledir/include" ; then
129 CPPFLAGS="-I$ledir/include $CPPFLAGS"
131 CPPFLAGS="-I$ledir $CPPFLAGS"
134 # Can I compile and link it?
135 AC_TRY_LINK([#include <sys/time.h>
136 #include <sys/types.h>
137 #include <event.h>], [ event_init(); ],
138 [ libevent_linked=yes ], [ libevent_linked=no ])
139 if test $libevent_linked = yes; then
140 if test ! -z "$ledir" ; then
141 ac_cv_libevent_dir=$ledir
143 ac_cv_libevent_dir="(system)"
150 LDFLAGS="$saved_LDFLAGS"
151 CPPFLAGS="$saved_CPPFLAGS"
152 if test $le_found = no ; then
153 AC_MSG_ERROR([Could not find a linkable libevent. You can specify an explicit path using --with-libevent-dir])
157 if test $ac_cv_libevent_dir != "(system)"; then
158 if test -d "$ac_cv_libevent_dir/lib" ; then
159 LDFLAGS="-L$ac_cv_libevent_dir/lib $LDFLAGS"
160 le_libdir="$ac_cv_libevent_dir/lib"
162 LDFLAGS="-L$ac_cv_libevent_dir $LDFLAGS"
163 le_libdir="$ac_cv_libevent_dir"
165 if test -d "$ac_cv_libevent_dir/include" ; then
166 CPPFLAGS="-I$ac_cv_libevent_dir/include $CPPFLAGS"
168 CPPFLAGS="-I$ac_cv_libevent_dir $CPPFLAGS"
172 AC_CACHE_CHECK([whether we need extra options to link libevent],
173 ac_cv_libevent_linker_option, [
174 saved_LDFLAGS="$LDFLAGS"
177 for le_extra in "" "-Wl,-R$le_libdir" "-R$le_libdir" ; do
178 LDFLAGS="$le_extra $saved_LDFLAGS"
179 AC_TRY_RUN([void *event_init(void);
180 int main(int c, char **v) {
181 event_init(); return 0;
183 libevent_runs=yes, libevent_runs=no)
184 if test $libevent_runs = yes ; then
185 if test -z "$le_extra" ; then
186 ac_cv_libevent_linker_option='(none)'
188 ac_cv_libevent_linker_option=$le_extra
194 if test $le_runs = no ; then
195 AC_MSG_ERROR([Found linkable libevent in $ac_cv_libevent_dir, but it doesn't run, even with -R. Maybe specify another using --with-libevent-dir?])
197 LDFLAGS="$saved_LDFLAGS"
200 if test $ac_cv_libevent_linker_option != '(none)' ; then
201 LDFLAGS="$ac_cv_libevent_linker_option $LDFLAGS"
204 dnl ------------------------------------------------------
205 dnl Where do you live, openssl? And how do we call you?
207 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssl_dir, [
209 saved_LDFLAGS="$LDFLAGS"
210 saved_CPPFLAGS="$CPPFLAGS"
212 for ssldir in $tryssldir "" $prefix /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /usr/pkg /opt /opt/openssl ; do
213 LDFLAGS="$saved_LDFLAGS"
214 LIBS="$saved_LIBS -lssl -lcrypto"
216 # Skip the directory if it isn't there.
217 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
220 if test ! -z "$ssldir" ; then
221 if test -d "$ssldir/lib" ; then
222 LDFLAGS="-L$ssldir/lib $LDFLAGS"
224 LDFLAGS="-L$ssldir $LDFLAGS"
226 if test -d "$ssldir/include" ; then
227 CPPFLAGS="-I$ssldir/include $CPPFLAGS"
229 CPPFLAGS="-I$ssldir $CPPFLAGS"
233 AC_TRY_LINK([#include <openssl/rand.h>],
234 [ RAND_add((void*)0,0,0); ],
235 [ openssl_linked=yes ], [ openssl_linked=no ])
236 if test $openssl_linked = yes; then
237 if test ! -z "$ssldir" ; then
238 ac_cv_openssl_dir=$ssldir
240 ac_cv_openssl_dir="(system)"
247 LDFLAGS="$saved_LDFLAGS"
248 CPPFLAGS="$saved_CPPFLAGS"
249 if test $ssl_found = no ; then
250 AC_MSG_ERROR([Could not find a linkable OpenSSL. You can specify an explicit path using --with-ssl-dir])
253 LIBS="$LIBS -lssl -lcrypto"
254 if test "$ac_cv_openssl_dir" != "(system)"; then
255 if test -d "$ac_cv_openssl_dir/lib" ; then
256 LDFLAGS="-L$ac_cv_openssl_dir/lib $LDFLAGS"
257 ssl_libdir="$ac_cv_openssl_dir/lib"
259 LDFLAGS="-L$ac_cv_openssl_dir $LDFLAGS"
260 ssl_libdir="$ac_cv_openssl_dir"
262 if test -d "$ac_cv_openssl_dir/include" ; then
263 CPPFLAGS="-I$ac_cv_openssl_dir/include $CPPFLAGS"
265 CPPFLAGS="-I$ac_cv_openssl_dir $CPPFLAGS"
269 AC_CACHE_CHECK([whether we need extra options to link OpenSSL],
270 ac_cv_openssl_linker_option, [
271 saved_LDFLAGS="$LDFLAGS"
274 for ssl_extra in "" "-Wl,-R$ssl_libdir" "-R$ssl_libdir" ; do
275 LDFLAGS="$ssl_extra $saved_LDFLAGS"
278 #include <openssl/rand.h>
282 memset(a, 0, sizeof(a));
283 RAND_add(a, sizeof(a), sizeof(a));
284 return(RAND_status() <= 0);
287 openssl_runs=yes, openssl_runs=no)
288 if test $openssl_runs = yes ; then
289 if test "$linked_with" = nothing; then
290 linked_with="$ssl_extra"
293 #include <openssl/opensslv.h>
294 #include <openssl/crypto.h>
296 return (OPENSSL_VERSION_NUMBER == SSLeay()) == 0;
298 right_version=yes, right_version=no)
299 if test "$right_version" = yes; then
300 if test -z "$ssl_extra" ; then
301 ac_cv_openssl_linker_option='(none)'
303 ac_cv_openssl_linker_option=$ssl_extra
310 if test $ssl_runs = no ; then
311 if test "$linked_with" = 'nothing' ; then
312 AC_MSG_ERROR([Found linkable OpenSSL in $ac_cv_openssl_dir, but it doesn't run, even with -R. Maybe specify another using --with-ssl-dir?])
314 if test -z "$linked_with" ; then
315 ac_cv_openssl_linker_option='(none)'
317 ac_cv_openssl_linker_option=$linked_with
319 AC_MSG_WARN([I managed to make OpenSSL link and run, but I couldn't make it link against the same version I found header files for.])
322 LDFLAGS="$saved_LDFLAGS"
325 if test "$ac_cv_openssl_linker_option" != '(none)' ; then
326 LDFLAGS="$ac_cv_openssl_linker_option $LDFLAGS"
329 dnl Make sure to enable support for large off_t if avalable.
333 dnl The warning message here is no longer strictly accurate.
335 AC_CHECK_HEADERS(unistd.h string.h signal.h netdb.h ctype.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/ioctl.h sys/socket.h sys/time.h netinet/in.h arpa/inet.h errno.h assert.h time.h pwd.h grp.h, , AC_MSG_WARN(some headers were not found, compilation may fail))
337 AC_CHECK_HEADERS(event.h, , AC_MSG_ERROR(Libevent header (event.h) not found. Tor requires libevent to build.))
339 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.))
341 dnl These headers are not essential
343 AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h stddef.h inttypes.h utime.h sys/utime.h)
345 AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit setrlimit strlcat strlcpy strtoull getpwnam getpwuid ftello getaddrinfo localtime_r gmtime_r event_get_version event_get_method event_set_log_callback memmem)
347 if test $enable_threads = "yes"; then
348 AC_CHECK_HEADERS(pthread.h)
349 AC_CHECK_FUNCS(pthread_create)
354 AC_CHECK_MEMBERS([struct timeval.tv_sec])
356 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
359 AC_CHECK_SIZEOF(int8_t)
360 AC_CHECK_SIZEOF(int16_t)
361 AC_CHECK_SIZEOF(int32_t)
362 AC_CHECK_SIZEOF(int64_t)
363 AC_CHECK_SIZEOF(uint8_t)
364 AC_CHECK_SIZEOF(uint16_t)
365 AC_CHECK_SIZEOF(uint32_t)
366 AC_CHECK_SIZEOF(uint64_t)
367 AC_CHECK_SIZEOF(intptr_t)
368 AC_CHECK_SIZEOF(uintptr_t)
370 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
372 AC_CHECK_SIZEOF(char)
373 AC_CHECK_SIZEOF(short)
375 AC_CHECK_SIZEOF(long)
376 AC_CHECK_SIZEOF(long long)
377 AC_CHECK_SIZEOF(__int64)
378 AC_CHECK_SIZEOF(void *)
379 AC_CHECK_SIZEOF(time_t)
380 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
382 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }],
383 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes)
386 if test $tor_cv_time_t_signed = yes; then
387 AC_DEFINE([TIME_T_IS_SIGNED], 1,
388 [Define to 1 iff time_t is signed])
391 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
392 #ifdef HAVE_SYS_SOCKET_H
393 #include <sys/socket.h>
397 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
399 AC_CHECK_SIZEOF(cell_t)
401 # Now, let's see about alignment requirements. On some platforms, we override
404 ia64-*-* | arm-*-* | sparc-*-* | sparc64-*-* )
405 tor_cv_unaligned_ok=no
407 # On the following architectures unaligned access works, but is not done in
408 # hardware. This means that when you try to do unaligned access the kernel
409 # gets to sort out an exception and then work around to somehow make your
410 # reqest work, which is quite expensive. Therefore it's probably better to
412 alpha-*-* | mips-*-* | mipsel-*-* )
413 tor_cv_unaligned_ok=no
416 AC_CACHE_CHECK([whether unaligned int access is allowed], tor_cv_unaligned_ok,
417 [AC_RUN_IFELSE([AC_LANG_SOURCE(
418 [[int main () { char s[] = "A\x00\x00\x00\x00\x00\x00\x00";
419 return *(int*)(&s[1]); }]])],
420 [tor_cv_unaligned_ok=yes],
421 [tor_cv_unaligned_ok=no],
422 [tor_cv_unaligned_ok=cross])])
425 if test $tor_cv_unaligned_ok = yes; then
426 AC_DEFINE([UNALIGNED_INT_ACCESS_OK], 1,
427 [Define to 1 iff unaligned int access is allowed])
430 # Now make sure that NULL can be represented as zero bytes.
431 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
432 [AC_RUN_IFELSE([AC_LANG_SOURCE(
433 [[#include <stdlib.h>
439 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
440 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
441 [tor_cv_null_is_zero=yes],
442 [tor_cv_null_is_zero=no],
443 [tor_cv_null_is_zero=cross])])
445 if test $tor_cv_null_is_zero = yes; then
446 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
447 [Define to 1 iff memset(0) sets pointers to NULL])
450 # Whether we should use the dmalloc memory allocation debugging library.
451 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
453 [ --with-dmalloc Use debug memory allocation library. ],
454 [if [[ "$withval" = "yes" ]]; then
460 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
463 if [[ $dmalloc -eq 1 ]]; then
464 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
465 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
466 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
467 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
470 # Allow user to specify an alternate syslog facility
471 AC_ARG_WITH(syslog-facility,
472 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
473 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
474 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
475 AC_SUBST(LOGFACILITY)
477 # Check for gethostbyname_r in all its glorious incompatible versions.
478 # (This logic is based on that in Python's configure.in)
479 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
480 [Define this if you have any gethostbyname_r()])
482 AC_CHECK_FUNC(gethostbyname_r, [
483 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
485 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
490 struct hostent *h1, *h2;
492 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
494 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
495 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
496 [Define this if gethostbyname_r takes 6 arguments])
505 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
507 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
508 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
509 [Define this if gethostbyname_r takes 5 arguments])
517 struct hostent_data hd;
518 (void) gethostbyname_r(cp1,h1,&hd);
520 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
521 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
522 [Define this if gethostbyname_r takes 3 arguments])
532 AC_CACHE_CHECK([whether the C compiler supports __func__],
533 ac_cv_have_func_macro,
536 int main(int c, char **v) { puts(__func__); }],
537 ac_cv_have_func_macro=yes,
538 ac_cv_have_func_macro=no))
540 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
541 ac_cv_have_FUNC_macro,
544 int main(int c, char **v) { puts(__FUNC__); }],
545 ac_cv_have_FUNC_macro=yes,
546 ac_cv_have_FUNC_macro=no))
548 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
549 ac_cv_have_FUNCTION_macro,
552 int main(int c, char **v) { puts(__FUNCTION__); }],
553 ac_cv_have_FUNCTION_macro=yes,
554 ac_cv_have_FUNCTION_macro=no))
556 if test $ac_cv_have_func_macro = 'yes'; then
557 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
561 if test $ac_cv_have_FUNC_macro = 'yes'; then
562 AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
565 if test $ac_cv_have_FUNCTION_macro = 'yes'; then
566 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
567 [Defined if the compiler supports __FUNCTION__])
571 # $prefix stores the value of the --prefix command line option, or
572 # NONE if the option wasn't set. In the case that it wasn't set, make
573 # it be the default, so that we can use it to expand directories now.
574 if test "x$prefix" = "xNONE"; then
575 prefix=$ac_default_prefix
578 # and similarly for $exec_prefix
579 if test "x$exec_prefix" = "xNONE"; then
583 CONFDIR=`eval echo $sysconfdir/tor`
585 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
586 AC_DEFINE([CONFDIR], [], [tor's configuration directory])
588 BINDIR=`eval echo $bindir`
591 LOCALSTATEDIR=`eval echo $localstatedir`
592 AC_SUBST(LOCALSTATEDIR)
593 AC_DEFINE_UNQUOTED(LOCALSTATEDIR,"$LOCALSTATEDIR")
594 AC_DEFINE([LOCALSTATEDIR], [], [Default location to store state files.])
596 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
597 # than autoconf's macros like.
598 if test $ac_cv_c_compiler_gnu = yes; then
599 CFLAGS="$CFLAGS -Wall -g -O2"
601 CFLAGS="$CFLAGS -g -O"
603 # Add some more warnings which we use in the cvs version but not in the
604 # released versions. (Some relevant gcc versions can't handle these.)
605 #CFLAGS="$CFLAGS -W -Wno-unused-parameter -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Winit-self -Wwrite-strings -Waggregate-return -Wmissing-declarations -Wmissing-field-initializers -Wredundant-decls -Winline"
606 # Add these in when you feel like fun.
607 #CFLAGS="$CFLAGS -Wbad-function-cast -Werror -Wdeclaration-after-statement -Wold-style-definition"
609 echo "confdir: $CONFDIR"
611 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)
613 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
614 ./contrib/updateVersions.pl