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 $enable_threads = "yes"; then
44 AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
49 AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
57 # The big search for OpenSSL
58 # copied from openssh's configure.ac
60 [ --with-ssl-dir=PATH Specify path to OpenSSL installation ],
62 if test "x$withval" != "xno" ; then
70 [ --with-tor-user=NAME Specify username for tor daemon ],
78 AC_ARG_WITH(tor-group,
79 [ --with-tor-group=NAME Specify group name for tor daemon ],
86 AC_SEARCH_LIBS(socket, [socket])
87 AC_SEARCH_LIBS(gethostbyname, [nsl])
88 AC_SEARCH_LIBS(dlopen, [dl])
90 if test $enable_threads = "yes"; then
91 AC_SEARCH_LIBS(pthread_create, [pthread])
92 AC_SEARCH_LIBS(pthread_detach, [pthread])
95 dnl ------------------------------------------------------
96 dnl Where do you live, libevent? And how do we call you?
99 # Step 1. Try to link and run a program using libevent. If it works,
100 # great! Just add -levent.
101 AC_CACHE_CHECK([for a normal libevent], ac_cv_libevent_normal, [
105 void *event_init(void);
110 }], ac_cv_libevent_normal=yes, ac_cv_libevent_normal=no)
114 if test "$ac_cv_libevent_normal" = yes; then
117 AC_CACHE_CHECK([for libevent in /usr/local/lib], ac_cv_libevent_local, [
119 saved_LDFLAGS="$LDFLAGS"
121 LDFLAGS="$LDFLAGS -L/usr/local/lib"
122 # Step 2. Otherwise, check whether adding -L/usr/local/lib allows
123 # us to link. If not, assume we have no libevent at all.
124 AC_TRY_LINK([], [ void *event_init(void); event_init(); ],
125 [ libevent_is_in_local=yes ], [ libevent_is_in_local=no ])
126 if test $libevent_is_in_local = no ; then
127 ac_cv_libevent_local=no
129 # Step 3. Does adding -L/usr/local/lib allow us to run, too?
130 # If so, all we have to do as adjust LDFLAGS and CFLAGS.
132 void *event_init(void);
137 }], [ ac_cv_libevent_local=yes ], [ ac_cv_libevent_local=unlinked ])
139 if test "$GCC" = yes -a $ac_cv_libevent_local = unlinked ; then
140 # Step 4. Okay, so we can link but not run. This probably means
141 # that the dynamic linker doesn't have /usr/local/lib in
142 # its search path. If we're lucky enough to be running
143 # GCC on an ELF system, we might have a workaround for that.
144 # See whether -Wl,-R/usr/local/lib makes things better.
145 LDFLAGS="$LDFLAGS -Wl,-R/usr/local/lib"
147 void *event_init(void);
152 }], [ ac_cv_libevent_local=unlinked_gcc_elf ])
156 LDFLAGS="$saved_LDFLAGS" ])
158 # Now we're done. ac_vc_libevent_local could be:
159 # yes -- Add -L/usr/local/lib and we can link fine.
160 # unlinked_gcc_elf -- We can link, but we need to use the GCC-ELF
161 # workaround. Complain a little.
162 # unlinked -- We can link, but we can't run. Complain a lot.
163 # no -- we can't link at all. Give an error and die.
165 if test $ac_cv_libevent_local != no; then
167 LDFLAGS="$LDFLAGS -L/usr/local/lib"
168 CPPFLAGS="$CPPFLAGS -I/usr/local/include"
170 if test $ac_cv_libevent_local = unlinked_gcc_elf; then
171 LDFLAGS="$LDFLAGS -Wl,-R/usr/local/lib"
172 if test -f /etc/ld.so.conf ; then
174 Apparently, you don't have /usr/local/lib in your /etc/ld.so.conf.
175 Tor is smart enought to deal this now, but other applications aren't.
176 You might want to add it in.])
180 if test $ac_cv_libevent_local = unlinked ; then
181 if test -f /etc/ld.so.conf ; then
183 =================================================
184 Your libevent library is installed in /usr/local/lib,
185 but your dynamic linker isn't configured to look for
188 Maybe you need to add /usr/local/lib to /etc/ld.so.conf,
189 and then run ldconfig -v ?
190 =================================================])
193 =================================================
194 Your libevent library is installed in /usr/local/lib,
195 but your dynamic linker isn't configured to look for
197 =================================================])
201 if test $ac_cv_libevent_local = no ; then
203 Tor requires libevent to build. You can download the latest
204 version of libevent from http://monkey.org/~provos/libevent/])
209 dnl ------------------------------------------------------
210 dnl Where do you live, OpenSSL?
213 saved_LDFLAGS="$LDFLAGS"
214 saved_CPPFLAGS="$CPPFLAGS"
215 if test "x$prefix" != "xNONE" ; then
216 tryssldir="$tryssldir $prefix"
218 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
219 for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /usr/pkg /opt /opt/openssl ; do
220 CPPFLAGS="$saved_CPPFLAGS"
221 LDFLAGS="$saved_LDFLAGS"
222 LIBS="$saved_LIBS -lssl -lcrypto"
224 # Skip directories if they don't exist
225 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
228 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
229 # Try to use $ssldir/lib if it exists, otherwise
231 if test -d "$ssldir/lib" ; then
232 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
233 if test ! -z "$need_dash_r" ; then
234 LDFLAGS="-R$ssldir/lib $LDFLAGS"
237 LDFLAGS="-L$ssldir $saved_LDFLAGS"
238 if test ! -z "$need_dash_r" ; then
239 LDFLAGS="-R$ssldir $LDFLAGS"
242 # Try to use $ssldir/include if it exists, otherwise
244 if test -d "$ssldir/include" ; then
245 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
247 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
251 # Basic test to check for compatible version and correct linking
252 # *does not* test for RSA - that comes later.
256 #include <openssl/rand.h>
260 memset(a, 0, sizeof(a));
261 RAND_add(a, sizeof(a), sizeof(a));
262 return(RAND_status() <= 0);
271 if test ! -z "$found_crypto" ; then
276 if test -z "$found_crypto" ; then
277 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
279 if test -z "$ssldir" ; then
283 ac_cv_openssldir=$ssldir
285 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ;
287 dnl Need to recover ssldir - test above runs in subshell
288 ssldir=$ac_cv_openssldir
289 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
290 # Try to use $ssldir/lib if it exists, otherwise
292 if test -d "$ssldir/lib" ; then
293 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
294 if test ! -z "$need_dash_r" ; then
295 LDFLAGS="-R$ssldir/lib $LDFLAGS"
298 LDFLAGS="-L$ssldir $saved_LDFLAGS"
299 if test ! -z "$need_dash_r" ; then
300 LDFLAGS="-R$ssldir $LDFLAGS"
303 # Try to use $ssldir/include if it exists, otherwise
305 if test -d "$ssldir/include" ; then
306 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
308 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
316 dnl The warning message here is no longer strictly accurate.
318 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))
320 AC_CHECK_HEADERS(event.h, , AC_MSG_ERROR(Libevent header (event.h) not found. Tor requires libevent to build.))
322 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.))
324 dnl These headers are not essential
326 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)
328 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)
330 if test $enable_threads = "yes"; then
331 AC_CHECK_HEADERS(pthread.h)
332 AC_CHECK_FUNCS(pthread_create)
337 AC_CHECK_MEMBERS([struct timeval.tv_sec])
339 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
342 AC_CHECK_SIZEOF(int8_t)
343 AC_CHECK_SIZEOF(int16_t)
344 AC_CHECK_SIZEOF(int32_t)
345 AC_CHECK_SIZEOF(int64_t)
346 AC_CHECK_SIZEOF(uint8_t)
347 AC_CHECK_SIZEOF(uint16_t)
348 AC_CHECK_SIZEOF(uint32_t)
349 AC_CHECK_SIZEOF(uint64_t)
350 AC_CHECK_SIZEOF(intptr_t)
351 AC_CHECK_SIZEOF(uintptr_t)
353 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
355 AC_CHECK_SIZEOF(char)
356 AC_CHECK_SIZEOF(short)
358 AC_CHECK_SIZEOF(long)
359 AC_CHECK_SIZEOF(long long)
360 AC_CHECK_SIZEOF(__int64)
361 AC_CHECK_SIZEOF(void *)
362 AC_CHECK_SIZEOF(time_t)
363 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
365 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }],
366 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes)
369 if test $tor_cv_time_t_signed = yes; then
370 AC_DEFINE([TIME_T_IS_SIGNED], 1,
371 [Define to 1 iff time_t is signed])
374 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
375 #ifdef HAVE_SYS_SOCKET_H
376 #include <sys/socket.h>
380 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
382 AC_CHECK_SIZEOF(cell_t)
384 # Now, let's see about alignment requirements. On some platforms, we override
387 ia64-*-* | arm-*-* | sparc-*-* | sparc64-*-* )
388 tor_cv_unaligned_ok=no
390 # On the following architectures unaligned access works, but is not done in
391 # hardware. This means that when you try to do unaligned access the kernel
392 # gets to sort out an exception and then work around to somehow make your
393 # reqest work, which is quite expensive. Therefore it's probably better to
395 alpha-*-* | mips-*-* | mipsel-*-* )
396 tor_cv_unaligned_ok=no
399 AC_CACHE_CHECK([whether unaligned int access is allowed], tor_cv_unaligned_ok,
400 [AC_RUN_IFELSE([AC_LANG_SOURCE(
401 [[int main () { char s[] = "A\x00\x00\x00\x00\x00\x00\x00";
402 return *(int*)(&s[1]); }]])],
403 [tor_cv_unaligned_ok=yes],
404 [tor_cv_unaligned_ok=no],
405 [tor_cv_unaligned_ok=cross])])
408 if test $tor_cv_unaligned_ok = yes; then
409 AC_DEFINE([UNALIGNED_INT_ACCESS_OK], 1,
410 [Define to 1 iff unaligned int access is allowed])
413 # Now make sure that NULL can be represented as zero bytes.
414 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
415 [AC_RUN_IFELSE([AC_LANG_SOURCE(
416 [[#include <stdlib.h>
422 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
423 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
424 [tor_cv_null_is_zero=yes],
425 [tor_cv_null_is_zero=no],
426 [tor_cv_null_is_zero=cross])])
428 if test $tor_cv_null_is_zero = yes; then
429 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
430 [Define to 1 iff memset(0) sets pointers to NULL])
433 # Whether we should use the dmalloc memory allocation debugging library.
434 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
436 [ --with-dmalloc Use debug memory allocation library. ],
437 [if [[ "$withval" = "yes" ]]; then
443 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
446 if [[ $dmalloc -eq 1 ]]; then
447 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
448 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
449 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
450 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
453 # Check for gethostbyname_r in all its glorious incompatible versions.
454 # (This logic is based on that in Python's configure.in)
455 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
456 [Define this if you have any gethostbyname_r()])
458 AC_CHECK_FUNC(gethostbyname_r, [
459 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
461 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
466 struct hostent *h1, *h2;
468 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
470 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
471 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
472 [Define this if gethostbyname_r takes 6 arguments])
481 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
483 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
484 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
485 [Define this if gethostbyname_r takes 5 arguments])
493 struct hostent_data hd;
494 (void) gethostbyname_r(cp1,h1,&hd);
496 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
497 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
498 [Define this if gethostbyname_r takes 3 arguments])
508 # $prefix stores the value of the --prefix command line option, or
509 # NONE if the option wasn't set. In the case that it wasn't set, make
510 # it be the default, so that we can use it to expand directories now.
511 if test "x$prefix" = "xNONE"; then
512 prefix=$ac_default_prefix
515 # and similarly for $exec_prefix
516 if test "x$exec_prefix" = "xNONE"; then
520 CONFDIR=`eval echo $sysconfdir/tor`
522 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
523 AC_DEFINE([CONFDIR], [], [tor's configuration directory])
525 BINDIR=`eval echo $bindir`
528 LOCALSTATEDIR=`eval echo $localstatedir`
529 AC_SUBST(LOCALSTATEDIR)
530 AC_DEFINE_UNQUOTED(LOCALSTATEDIR,"$LOCALSTATEDIR")
531 AC_DEFINE([LOCALSTATEDIR], [], [Default location to store state files.])
533 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
534 # than autoconf's macros like.
535 CFLAGS="$CFLAGS -Wall -g -O2"
536 # Add some more warnings which we use in the cvs version but not in the
537 # released versions. (Some relevant gcc versions can't handle these.)
538 #CFLAGS="$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"
539 # Add these in when you feel like fun.
540 #CFLAGS="$CFLAGS -Wbad-function-cast -Werror -Wdeclaration-after-statement -Wold-style-definition"
542 echo "confdir: $CONFDIR"
544 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)
546 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
547 ./contrib/updateVersions.pl