2 dnl Copyright (c) 2001-2005 Roger Dingledine
3 dnl Copyright (c) 2004-2005 Nick Mathewson
4 dnl See LICENSE for licensing information
7 AM_INIT_AUTOMAKE(tor, 0.1.1.12-alpha-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 $enable_threads = "yes"; then
102 AC_SEARCH_LIBS(pthread_create, [pthread])
103 AC_SEARCH_LIBS(pthread_detach, [pthread])
106 dnl ------------------------------------------------------
107 dnl Where do you live, libevent? And how do we call you?
110 saved_LDFLAGS="$LDFLAGS"
111 if test "x$prefix" != "xNONE" ; then
112 trylibeventdir="$trylibeventdir $prefix"
115 AC_CACHE_CHECK([for libevent location], ac_cv_libevent_dir, [
116 for ledir in $trylibeventdir "" /usr/local ; do
117 LDFLAGS="$saved_LDFLAGS"
118 LIBS="$saved_LIBS -levent"
120 # Skip the directory if it isn't there.
121 if test ! -z "$ledir" -a ! -d "$ledir" ; then
124 if test ! -z "$ledir" ; then
125 if test -d "$ledir/lib" ; then
126 LDFLAGS="-L$ledir/lib $LDFLAGS"
128 LDFLAGS="-L$ledir $LDFLAGS"
132 AC_TRY_LINK([], [ void *event_init(void); event_init(); ],
133 [ libevent_linked=yes ], [ libevent_linked=no ])
134 if test $libevent_linked = yes; then
135 if test ! -z "$ledir" ; then
136 ac_cv_libevent_dir=$ledir
138 ac_cv_libevent_dir="(system)"
145 if test $ac_cv_libevent_dir != "(system)"; then
146 if test -d "$ac_cv_libevent_dir/lib" ; then
147 LDFLAGS="-L$ac_cv_libevent_dir/lib $LDFLAGS"
148 le_libdir="$ac_cv_libevent_dir/lib"
150 LDFLAGS="-L$ac_cv_libevent_dir $LDFLAGS"
151 le_libdir="$ac_cv_libevent_dir"
153 if test -d "$ac_cv_libevent_dir/include" ; then
154 CPPFLAGS="-I$ac_cv_libevent_dir/include $CPPFLAGS"
156 CPPFLAGS="-I$ac_cv_libevent_dir $CPPFLAGS"
160 AC_CACHE_CHECK([whether libevent is in LDPATH], ac_cv_libevent_in_ldpath, [
161 saved_LDFLAGS="$LDFLAGS"
162 AC_TRY_RUN([void *event_init(void);
163 int main(int c, char **v) {
164 event_init(); return 0;
166 libevent_runs=yes, libevent_runs=no)
167 if test $libevent_runs = yes; then
168 ac_cv_libevent_in_ldpath=yes
170 LDFLAGS="$LDFLAGS -Wl,-R$le_libdir"
171 AC_TRY_RUN([void *event_init(void);
172 int main(int c, char **v) {
173 event_init(); return 0;
175 libevent_runs_with_r=yes, libevent_runs_with_r=no)
176 if test $libevent_runs_with_r = yes; then
177 ac_cv_libevent_in_ldpath=no
179 AC_MSG_ERROR([Found linkable libevent in $ac_cv_libevent_dir, but it doesn't run, even with -R. Maybe specify another using --with-libevent-dir?])
182 LDFLAGS="$saved_LDFLAGS"
185 if test $ac_cv_libevent_in_ldpath = no ; then
186 LDFLAGS="$LDFLAGS -Wl,-R$le_libdir"
189 dnl ------------------------------------------------------
190 dnl Where do you live, OpenSSL?
193 saved_LDFLAGS="$LDFLAGS"
194 saved_CPPFLAGS="$CPPFLAGS"
195 if test "x$prefix" != "xNONE" ; then
196 tryssldir="$tryssldir $prefix"
198 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
199 for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /usr/pkg /opt /opt/openssl ; do
200 CPPFLAGS="$saved_CPPFLAGS"
201 LDFLAGS="$saved_LDFLAGS"
202 LIBS="$saved_LIBS -lssl -lcrypto"
204 # Skip directories if they don't exist
205 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
208 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
209 # Try to use $ssldir/lib if it exists, otherwise
211 if test -d "$ssldir/lib" ; then
212 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
213 if test ! -z "$need_dash_r" ; then
214 LDFLAGS="-R$ssldir/lib $LDFLAGS"
217 LDFLAGS="-L$ssldir $saved_LDFLAGS"
218 if test ! -z "$need_dash_r" ; then
219 LDFLAGS="-R$ssldir $LDFLAGS"
222 # Try to use $ssldir/include if it exists, otherwise
224 if test -d "$ssldir/include" ; then
225 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
227 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
231 # Basic test to check for compatible version and correct linking
232 # *does not* test for RSA - that comes later.
236 #include <openssl/rand.h>
240 memset(a, 0, sizeof(a));
241 RAND_add(a, sizeof(a), sizeof(a));
242 return(RAND_status() <= 0);
251 if test ! -z "$found_crypto" ; then
256 if test -z "$found_crypto" ; then
257 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
259 if test -z "$ssldir" ; then
263 ac_cv_openssldir=$ssldir
265 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ;
267 dnl Need to recover ssldir - test above runs in subshell
268 ssldir=$ac_cv_openssldir
269 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
270 # Try to use $ssldir/lib if it exists, otherwise
272 if test -d "$ssldir/lib" ; then
273 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
274 if test ! -z "$need_dash_r" ; then
275 LDFLAGS="-R$ssldir/lib $LDFLAGS"
278 LDFLAGS="-L$ssldir $saved_LDFLAGS"
279 if test ! -z "$need_dash_r" ; then
280 LDFLAGS="-R$ssldir $LDFLAGS"
283 # Try to use $ssldir/include if it exists, otherwise
285 if test -d "$ssldir/include" ; then
286 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
288 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
296 dnl The warning message here is no longer strictly accurate.
298 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))
300 AC_CHECK_HEADERS(event.h, , AC_MSG_ERROR(Libevent header (event.h) not found. Tor requires libevent to build.))
302 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.))
304 dnl These headers are not essential
306 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)
308 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)
310 if test $enable_threads = "yes"; then
311 AC_CHECK_HEADERS(pthread.h)
312 AC_CHECK_FUNCS(pthread_create)
317 AC_CHECK_MEMBERS([struct timeval.tv_sec])
319 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
322 AC_CHECK_SIZEOF(int8_t)
323 AC_CHECK_SIZEOF(int16_t)
324 AC_CHECK_SIZEOF(int32_t)
325 AC_CHECK_SIZEOF(int64_t)
326 AC_CHECK_SIZEOF(uint8_t)
327 AC_CHECK_SIZEOF(uint16_t)
328 AC_CHECK_SIZEOF(uint32_t)
329 AC_CHECK_SIZEOF(uint64_t)
330 AC_CHECK_SIZEOF(intptr_t)
331 AC_CHECK_SIZEOF(uintptr_t)
333 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
335 AC_CHECK_SIZEOF(char)
336 AC_CHECK_SIZEOF(short)
338 AC_CHECK_SIZEOF(long)
339 AC_CHECK_SIZEOF(long long)
340 AC_CHECK_SIZEOF(__int64)
341 AC_CHECK_SIZEOF(void *)
342 AC_CHECK_SIZEOF(time_t)
343 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
345 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }],
346 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes)
349 if test $tor_cv_time_t_signed = yes; then
350 AC_DEFINE([TIME_T_IS_SIGNED], 1,
351 [Define to 1 iff time_t is signed])
354 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
355 #ifdef HAVE_SYS_SOCKET_H
356 #include <sys/socket.h>
360 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
362 AC_CHECK_SIZEOF(cell_t)
364 # Now, let's see about alignment requirements. On some platforms, we override
367 ia64-*-* | arm-*-* | sparc-*-* | sparc64-*-* )
368 tor_cv_unaligned_ok=no
370 # On the following architectures unaligned access works, but is not done in
371 # hardware. This means that when you try to do unaligned access the kernel
372 # gets to sort out an exception and then work around to somehow make your
373 # reqest work, which is quite expensive. Therefore it's probably better to
375 alpha-*-* | mips-*-* | mipsel-*-* )
376 tor_cv_unaligned_ok=no
379 AC_CACHE_CHECK([whether unaligned int access is allowed], tor_cv_unaligned_ok,
380 [AC_RUN_IFELSE([AC_LANG_SOURCE(
381 [[int main () { char s[] = "A\x00\x00\x00\x00\x00\x00\x00";
382 return *(int*)(&s[1]); }]])],
383 [tor_cv_unaligned_ok=yes],
384 [tor_cv_unaligned_ok=no],
385 [tor_cv_unaligned_ok=cross])])
388 if test $tor_cv_unaligned_ok = yes; then
389 AC_DEFINE([UNALIGNED_INT_ACCESS_OK], 1,
390 [Define to 1 iff unaligned int access is allowed])
393 # Now make sure that NULL can be represented as zero bytes.
394 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
395 [AC_RUN_IFELSE([AC_LANG_SOURCE(
396 [[#include <stdlib.h>
402 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
403 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
404 [tor_cv_null_is_zero=yes],
405 [tor_cv_null_is_zero=no],
406 [tor_cv_null_is_zero=cross])])
408 if test $tor_cv_null_is_zero = yes; then
409 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
410 [Define to 1 iff memset(0) sets pointers to NULL])
413 # Whether we should use the dmalloc memory allocation debugging library.
414 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
416 [ --with-dmalloc Use debug memory allocation library. ],
417 [if [[ "$withval" = "yes" ]]; then
423 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
426 if [[ $dmalloc -eq 1 ]]; then
427 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
428 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
429 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
430 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
433 # Check for gethostbyname_r in all its glorious incompatible versions.
434 # (This logic is based on that in Python's configure.in)
435 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
436 [Define this if you have any gethostbyname_r()])
438 AC_CHECK_FUNC(gethostbyname_r, [
439 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
441 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
446 struct hostent *h1, *h2;
448 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
450 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
451 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
452 [Define this if gethostbyname_r takes 6 arguments])
461 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
463 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
464 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
465 [Define this if gethostbyname_r takes 5 arguments])
473 struct hostent_data hd;
474 (void) gethostbyname_r(cp1,h1,&hd);
476 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
477 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
478 [Define this if gethostbyname_r takes 3 arguments])
488 # $prefix stores the value of the --prefix command line option, or
489 # NONE if the option wasn't set. In the case that it wasn't set, make
490 # it be the default, so that we can use it to expand directories now.
491 if test "x$prefix" = "xNONE"; then
492 prefix=$ac_default_prefix
495 # and similarly for $exec_prefix
496 if test "x$exec_prefix" = "xNONE"; then
500 CONFDIR=`eval echo $sysconfdir/tor`
502 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
503 AC_DEFINE([CONFDIR], [], [tor's configuration directory])
505 BINDIR=`eval echo $bindir`
508 LOCALSTATEDIR=`eval echo $localstatedir`
509 AC_SUBST(LOCALSTATEDIR)
510 AC_DEFINE_UNQUOTED(LOCALSTATEDIR,"$LOCALSTATEDIR")
511 AC_DEFINE([LOCALSTATEDIR], [], [Default location to store state files.])
513 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
514 # than autoconf's macros like.
515 CFLAGS="$CFLAGS -Wall -g -O2"
516 # Add some more warnings which we use in the cvs version but not in the
517 # released versions. (Some relevant gcc versions can't handle these.)
518 #CFLAGS="$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"
519 # Add these in when you feel like fun.
520 #CFLAGS="$CFLAGS -Wbad-function-cast -Werror -Wdeclaration-after-statement -Wold-style-definition"
522 echo "confdir: $CONFDIR"
524 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)
526 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
527 ./contrib/updateVersions.pl