2 dnl Copyright 2001-2004 Roger Dingledine
3 dnl Copyright 2004-2005 Roger Dingledine, Nick Mathewson
4 dnl See LICENSE for licensing information
7 AM_INIT_AUTOMAKE(tor, 0.1.1.9-alpha)
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
68 AC_SEARCH_LIBS(socket, [socket])
69 AC_SEARCH_LIBS(gethostbyname, [nsl])
71 if test $enable_threads = "yes"; then
72 AC_SEARCH_LIBS(pthread_create, [pthread])
73 AC_SEARCH_LIBS(pthread_detach, [pthread])
76 dnl ------------------------------------------------------
77 dnl Where do you live, libevent? And how do we call you?
80 # Step 1. Try to link and run a program using libevent. If it works,
81 # great! Just add -levent.
82 AC_CACHE_CHECK([for a normal libevent], ac_cv_libevent_normal, [
86 void *event_init(void);
91 }], ac_cv_libevent_normal=yes, ac_cv_libevent_normal=no)
95 if test "$ac_cv_libevent_normal" = yes; then
98 AC_CACHE_CHECK([for libevent in /usr/local/lib], ac_cv_libevent_local, [
100 saved_LDFLAGS="$LDFLAGS"
102 LDFLAGS="$LDFLAGS -L/usr/local/lib"
103 # Step 2. Otherwise, check whether adding -L/usr/local/lib allows
104 # us to link. If not, assume we have no libevent at all.
105 AC_TRY_LINK([], [ void *event_init(void); event_init(); ],
106 [ libevent_is_in_local=yes ], [ libevent_is_in_local=no ])
107 if test $libevent_is_in_local = no ; then
108 ac_cv_libevent_local=no
110 # Step 3. Does adding -L/usr/local/lib allow us to run, too?
111 # If so, all we have to do as adjust LDFLAGS and CFLAGS.
113 void *event_init(void);
118 }], [ ac_cv_libevent_local=yes ], [ ac_cv_libevent_local=unlinked ])
120 if test "$GCC" = yes -a $ac_cv_libevent_local = unlinked ; then
121 # Step 4. Okay, so we can link but not run. This probably means
122 # that the dynamic linker doesn't have /usr/local/lib in
123 # its search path. If we're lucky enough to be running
124 # GCC on an ELF system, we might have a workaround for that.
125 # See whether -Wl,-R/usr/local/lib makes things better.
126 LDFLAGS="$LDFLAGS -Wl,-R/usr/local/lib"
128 void *event_init(void);
133 }], [ ac_cv_libevent_local=unlinked_gcc_elf ])
137 LDFLAGS="$saved_LDFLAGS" ])
139 # Now we're done. ac_vc_libevent_local could be:
140 # yes -- Add -L/usr/local/lib and we can link fine.
141 # unlinked_gcc_elf -- We can link, but we need to use the GCC-ELF
142 # workaround. Complain a little.
143 # unlinked -- We can link, but we can't run. Complain a lot.
144 # no -- we can't link at all. Give an error and die.
146 if test $ac_cv_libevent_local != no; then
148 LDFLAGS="$LDFLAGS -L/usr/local/lib"
149 CPPFLAGS="$CPPFLAGS -I/usr/local/include"
151 if test $ac_cv_libevent_local = unlinked_gcc_elf; then
152 LDFLAGS="$LDFLAGS -Wl,-R/usr/local/lib"
153 if test -f /etc/ld.so.conf ; then
155 Apparently, you don't have /usr/local/lib in your /etc/ld.so.conf.
156 Tor is smart enought to deal this now, but other applications aren't.
157 You might want to add it in.])
161 if test $ac_cv_libevent_local = unlinked ; then
162 if test -f /etc/ld.so.conf ; then
164 =================================================
165 Your libevent library is installed in /usr/local/lib,
166 but your dynamic linker isn't configured to look for
169 Maybe you need to add /usr/local/lib to /etc/ld.so.conf,
170 and then run ldconfig -v ?
171 =================================================])
174 =================================================
175 Your libevent library is installed in /usr/local/lib,
176 but your dynamic linker isn't configured to look for
178 =================================================])
182 if test $ac_cv_libevent_local = no ; then
184 Tor requires libevent to build. You can download the latest
185 version of libevent from http://monkey.org/~provos/libevent/])
190 dnl ------------------------------------------------------
191 dnl Where do you live, OpenSSL?
194 saved_LDFLAGS="$LDFLAGS"
195 saved_CPPFLAGS="$CPPFLAGS"
196 if test "x$prefix" != "xNONE" ; then
197 tryssldir="$tryssldir $prefix"
199 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
200 for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /usr/pkg /opt /opt/openssl ; do
201 CPPFLAGS="$saved_CPPFLAGS"
202 LDFLAGS="$saved_LDFLAGS"
203 LIBS="$saved_LIBS -lssl -lcrypto"
205 # Skip directories if they don't exist
206 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
209 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
210 # Try to use $ssldir/lib if it exists, otherwise
212 if test -d "$ssldir/lib" ; then
213 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
214 if test ! -z "$need_dash_r" ; then
215 LDFLAGS="-R$ssldir/lib $LDFLAGS"
218 LDFLAGS="-L$ssldir $saved_LDFLAGS"
219 if test ! -z "$need_dash_r" ; then
220 LDFLAGS="-R$ssldir $LDFLAGS"
223 # Try to use $ssldir/include if it exists, otherwise
225 if test -d "$ssldir/include" ; then
226 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
228 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
232 # Basic test to check for compatible version and correct linking
233 # *does not* test for RSA - that comes later.
237 #include <openssl/rand.h>
241 memset(a, 0, sizeof(a));
242 RAND_add(a, sizeof(a), sizeof(a));
243 return(RAND_status() <= 0);
252 if test ! -z "$found_crypto" ; then
257 if test -z "$found_crypto" ; then
258 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
260 if test -z "$ssldir" ; then
264 ac_cv_openssldir=$ssldir
266 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ;
268 dnl Need to recover ssldir - test above runs in subshell
269 ssldir=$ac_cv_openssldir
270 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
271 # Try to use $ssldir/lib if it exists, otherwise
273 if test -d "$ssldir/lib" ; then
274 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
275 if test ! -z "$need_dash_r" ; then
276 LDFLAGS="-R$ssldir/lib $LDFLAGS"
279 LDFLAGS="-L$ssldir $saved_LDFLAGS"
280 if test ! -z "$need_dash_r" ; then
281 LDFLAGS="-R$ssldir $LDFLAGS"
284 # Try to use $ssldir/include if it exists, otherwise
286 if test -d "$ssldir/include" ; then
287 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
289 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
297 dnl The warning message here is no longer strictly accurate.
299 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))
301 AC_CHECK_HEADERS(event.h, , AC_MSG_ERROR(Libevent header (event.h) not found. Tor requires libevent to build.))
303 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.))
305 dnl These headers are not essential
307 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)
309 AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit setrlimit strlcat strlcpy strtoull getpwnam ftello getaddrinfo localtime_r gmtime_r event_get_version event_get_method event_set_log_callback memmem)
311 if test $enable_threads = "yes"; then
312 AC_CHECK_HEADERS(pthread.h)
313 AC_CHECK_FUNCS(pthread_create)
318 AC_CHECK_MEMBERS([struct timeval.tv_sec])
320 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
323 AC_CHECK_SIZEOF(int8_t)
324 AC_CHECK_SIZEOF(int16_t)
325 AC_CHECK_SIZEOF(int32_t)
326 AC_CHECK_SIZEOF(int64_t)
327 AC_CHECK_SIZEOF(uint8_t)
328 AC_CHECK_SIZEOF(uint16_t)
329 AC_CHECK_SIZEOF(uint32_t)
330 AC_CHECK_SIZEOF(uint64_t)
331 AC_CHECK_SIZEOF(intptr_t)
332 AC_CHECK_SIZEOF(uintptr_t)
334 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
336 AC_CHECK_SIZEOF(char)
337 AC_CHECK_SIZEOF(short)
339 AC_CHECK_SIZEOF(long)
340 AC_CHECK_SIZEOF(long long)
341 AC_CHECK_SIZEOF(__int64)
342 AC_CHECK_SIZEOF(void *)
343 AC_CHECK_SIZEOF(time_t)
344 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
346 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }],
347 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes)
350 if test $tor_cv_time_t_signed = yes; then
351 AC_DEFINE([TIME_T_IS_SIGNED], 1,
352 [Define to 1 iff time_t is signed])
355 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
356 #ifdef HAVE_SYS_SOCKET_H
357 #include <sys/socket.h>
361 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
363 AC_CHECK_SIZEOF(cell_t)
365 # Now, let's see about alignment requirements. On some platforms, we override
368 ia64-*-* | arm-*-* | sparc-*-* | sparc64-*-* )
369 tor_cv_unaligned_ok=no
371 # On the following architectures unaligned access works, but is not done in
372 # hardware. This means that when you try to do unaligned access the kernel
373 # gets to sort out an exception and then work around to somehow make your
374 # reqest work, which is quite expensive. Therefore it's probably better to
376 alpha-*-* | mips-*-* | mipsel-*-* )
377 tor_cv_unaligned_ok=no
380 AC_CACHE_CHECK([whether unaligned int access is allowed], tor_cv_unaligned_ok,
381 [AC_RUN_IFELSE([AC_LANG_SOURCE(
382 [[int main () { char s[] = "A\x00\x00\x00\x00\x00\x00\x00";
383 return *(int*)(&s[1]); }]])],
384 [tor_cv_unaligned_ok=yes],
385 [tor_cv_unaligned_ok=no],
386 [tor_cv_unaligned_ok=cross])])
389 if test $tor_cv_unaligned_ok = yes; then
390 AC_DEFINE([UNALIGNED_INT_ACCESS_OK], 1,
391 [Define to 1 iff unaligned int access is allowed])
394 # Now make sure that NULL can be represented as zero bytes.
395 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
396 [AC_RUN_IFELSE([AC_LANG_SOURCE(
397 [[#include <stdlib.h>
403 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
404 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
405 [tor_cv_null_is_zero=yes],
406 [tor_cv_null_is_zero=no],
407 [tor_cv_null_is_zero=cross])])
409 if test $tor_cv_null_is_zero = yes; then
410 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
411 [Define to 1 iff memset(0) sets pointers to NULL])
414 # Whether we should use the dmalloc memory allocation debugging library.
415 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
417 [ --with-dmalloc Use debug memory allocation library. ],
418 [if [[ "$withval" = "yes" ]]; then
424 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
427 if [[ $dmalloc -eq 1 ]]; then
428 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
429 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
430 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
431 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
434 # Check for gethostbyname_r in all its glorious incompatible versions.
435 # (This logic is based on that in Python's configure.in)
436 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
437 [Define this if you have any gethostbyname_r()])
439 AC_CHECK_FUNC(gethostbyname_r, [
440 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
442 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
447 struct hostent *h1, *h2;
449 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
451 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
452 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
453 [Define this if gethostbyname_r takes 6 arguments])
462 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
464 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
465 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
466 [Define this if gethostbyname_r takes 5 arguments])
474 struct hostent_data hd;
475 (void) gethostbyname_r(cp1,h1,&hd);
477 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
478 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
479 [Define this if gethostbyname_r takes 3 arguments])
489 # $prefix stores the value of the --prefix command line option, or
490 # NONE if the option wasn't set. In the case that it wasn't set, make
491 # it be the default, so that we can use it to expand directories now.
492 if test "x$prefix" = "xNONE"; then
493 prefix=$ac_default_prefix
496 # and similarly for $exec_prefix
497 if test "x$exec_prefix" = "xNONE"; then
501 CONFDIR=`eval echo $sysconfdir/tor`
503 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
504 AC_DEFINE([CONFDIR], [], [tor's configuration directory])
506 BINDIR=`eval echo $bindir`
509 LOCALSTATEDIR=`eval echo $localstatedir`
510 AC_SUBST(LOCALSTATEDIR)
511 AC_DEFINE_UNQUOTED(LOCALSTATEDIR,"$LOCALSTATEDIR")
512 AC_DEFINE([LOCALSTATEDIR], [], [Default location to store state files.])
514 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
515 # than autoconf's macros like.
516 CFLAGS="$CFLAGS -Wall -g -O2"
517 # Add some more warnings which we use in the cvs version but not in the
518 # released versions. (Some relevant gcc versions can't handle these.)
519 #CFLAGS="$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"
520 # Add these in when you feel like fun.
521 #CFLAGS="$CFLAGS -Wbad-function-cast -Werror -Wdeclaration-after-statement -Wold-style-definition"
523 echo "confdir: $CONFDIR"
525 AC_OUTPUT(Makefile tor.spec contrib/tor.sh contrib/torctl contrib/torify 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)
527 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
528 ./contrib/updateVersions.pl