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, 0.1.1.1-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 $enable_threads = "yes"; then
44 AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
51 # The big search for OpenSSL
52 # copied from openssh's configure.ac
54 [ --with-ssl-dir=PATH Specify path to OpenSSL installation ],
56 if test "x$withval" != "xno" ; then
62 AC_SEARCH_LIBS(socket, [socket])
63 AC_SEARCH_LIBS(gethostbyname, [nsl])
64 AC_SEARCH_LIBS(pthread_create, [pthread])
65 AC_SEARCH_LIBS(pthread_detach, [pthread])
67 dnl ------------------------------------------------------
68 dnl Where do you live, libevent? And how do we call you?
71 # Step 1. Try to link and run a program using libevent. If it works,
72 # great! Just add -levent.
73 AC_CACHE_CHECK([for a normal libevent], ac_cv_libevent_normal, [
77 void *event_init(void);
82 }], ac_cv_libevent_normal=yes, ac_cv_libevent_normal=no)
86 if test "$ac_cv_libevent_normal" = yes; then
89 AC_CACHE_CHECK([for libevent in /usr/local/lib], ac_cv_libevent_local, [
91 saved_LDFLAGS="$LDFLAGS"
93 LDFLAGS="$LDFLAGS -L/usr/local/lib"
94 # Step 2. Otherwise, check whether adding -L/usr/local/lib allows
95 # us to link. If not, assume we have no libevent at all.
96 AC_TRY_LINK([], [ void *event_init(void); event_init(); ],
97 [ libevent_is_in_local=yes ], [ libevent_is_in_local=no ])
98 if test $libevent_is_in_local = no ; then
99 ac_cv_libevent_local=no
101 # Step 3. Does adding -L/usr/local/lib allow us to run, too?
102 # If so, all we have to do as adjust LDFLAGS and CFLAGS.
104 void *event_init(void);
109 }], [ ac_cv_libevent_local=yes ], [ ac_cv_libevent_local=unlinked ])
111 if test "$GCC" = yes -a $ac_cv_libevent_local = unlinked ; then
112 # Step 4. Okay, so we can link but not run. This probably means
113 # that the dynamic linker doesn't have /usr/local/lib in
114 # its search path. If we're lucky enough to be running
115 # GCC on an ELF system, we might have a workaround for that.
116 # See whether -Wl,-R/usr/local/lib makes things better.
117 LDFLAGS="$LDFLAGS -Wl,-R/usr/local/lib"
119 void *event_init(void);
124 }], [ ac_cv_libevent_local=unlinked_gcc_elf ])
128 LDFLAGS="$saved_LDFLAGS" ])
130 # Now we're done. ac_vc_libevent_local could be:
131 # yes -- Add -L/usr/local/lib and we can link fine.
132 # unlinked_gcc_elf -- We can link, but we need to use the GCC-ELF
133 # workaround. Complain a little.
134 # unlinked -- We can link, but we can't run. Complain a lot.
135 # no -- we can't link at all. Give an error and die.
137 if test $ac_cv_libevent_local != no; then
139 LDFLAGS="$LDFLAGS -L/usr/local/lib"
140 CPPFLAGS="$CPPFLAGS -I/usr/local/include"
142 if test $ac_cv_libevent_local = unlinked_gcc_elf; then
143 LDFLAGS="$LDFLAGS -Wl,-R/usr/local/lib"
144 if test -f /etc/ld.so.conf ; then
146 Apparently, you don't have /usr/local/lib in your /etc/ld.so.conf.
147 Tor is smart enought to deal this now, but other applications aren't.
148 You might want to add it in.])
152 if test $ac_cv_libevent_local = unlinked ; then
153 if test -f /etc/ld.so.conf ; then
155 =================================================
156 Your libevent library is installed in /usr/local/lib,
157 but your dynamic linker isn't configured to look for
160 Maybe you need to add /usr/local/lib to /etc/ld.so.conf,
161 and then run ldconfig -v ?
162 =================================================])
165 =================================================
166 Your libevent library is installed in /usr/local/lib,
167 but your dynamic linker isn't configured to look for
169 =================================================])
173 if test $ac_cv_libevent_local = no ; then
175 Tor requires libevent to build. You can download the latest
176 version of libevent from http://monkey.org/~provos/libevent/])
181 dnl ------------------------------------------------------
182 dnl Where do you live, OpenSSL?
185 saved_LDFLAGS="$LDFLAGS"
186 saved_CPPFLAGS="$CPPFLAGS"
187 if test "x$prefix" != "xNONE" ; then
188 tryssldir="$tryssldir $prefix"
190 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
191 for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /usr/pkg /opt /opt/openssl ; do
192 CPPFLAGS="$saved_CPPFLAGS"
193 LDFLAGS="$saved_LDFLAGS"
194 LIBS="$saved_LIBS -lssl -lcrypto"
196 # Skip directories if they don't exist
197 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
200 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
201 # Try to use $ssldir/lib if it exists, otherwise
203 if test -d "$ssldir/lib" ; then
204 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
205 if test ! -z "$need_dash_r" ; then
206 LDFLAGS="-R$ssldir/lib $LDFLAGS"
209 LDFLAGS="-L$ssldir $saved_LDFLAGS"
210 if test ! -z "$need_dash_r" ; then
211 LDFLAGS="-R$ssldir $LDFLAGS"
214 # Try to use $ssldir/include if it exists, otherwise
216 if test -d "$ssldir/include" ; then
217 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
219 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
223 # Basic test to check for compatible version and correct linking
224 # *does not* test for RSA - that comes later.
228 #include <openssl/rand.h>
232 memset(a, 0, sizeof(a));
233 RAND_add(a, sizeof(a), sizeof(a));
234 return(RAND_status() <= 0);
243 if test ! -z "$found_crypto" ; then
248 if test -z "$found_crypto" ; then
249 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
251 if test -z "$ssldir" ; then
255 ac_cv_openssldir=$ssldir
257 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ;
259 dnl Need to recover ssldir - test above runs in subshell
260 ssldir=$ac_cv_openssldir
261 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
262 # Try to use $ssldir/lib if it exists, otherwise
264 if test -d "$ssldir/lib" ; then
265 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
266 if test ! -z "$need_dash_r" ; then
267 LDFLAGS="-R$ssldir/lib $LDFLAGS"
270 LDFLAGS="-L$ssldir $saved_LDFLAGS"
271 if test ! -z "$need_dash_r" ; then
272 LDFLAGS="-R$ssldir $LDFLAGS"
275 # Try to use $ssldir/include if it exists, otherwise
277 if test -d "$ssldir/include" ; then
278 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
280 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
288 dnl The warning message here is no longer strictly accurate.
290 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))
292 AC_CHECK_HEADERS(event.h, , AC_MSG_ERROR(Libevent header (event.h) not found. Tor requires libevent to build.))
294 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.))
296 dnl These headers are not essential
298 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 pthread.h stddef.h inttypes.h)
300 AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit setrlimit strlcat strlcpy strtoull getpwnam ftello pthread_create getaddrinfo localtime_r gmtime_r event_get_version event_get_method event_set_log_callback memmem)
303 AC_CHECK_MEMBERS([struct timeval.tv_sec])
305 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
308 AC_CHECK_SIZEOF(int8_t)
309 AC_CHECK_SIZEOF(int16_t)
310 AC_CHECK_SIZEOF(int32_t)
311 AC_CHECK_SIZEOF(int64_t)
312 AC_CHECK_SIZEOF(uint8_t)
313 AC_CHECK_SIZEOF(uint16_t)
314 AC_CHECK_SIZEOF(uint32_t)
315 AC_CHECK_SIZEOF(uint64_t)
316 AC_CHECK_SIZEOF(intptr_t)
317 AC_CHECK_SIZEOF(uintptr_t)
319 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
321 AC_CHECK_SIZEOF(char)
322 AC_CHECK_SIZEOF(short)
324 AC_CHECK_SIZEOF(long)
325 AC_CHECK_SIZEOF(long long)
326 AC_CHECK_SIZEOF(__int64)
327 AC_CHECK_SIZEOF(void *)
328 AC_CHECK_SIZEOF(time_t)
329 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
330 #ifdef HAVE_SYS_SOCKET_H
331 #include <sys/socket.h>
335 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
337 AC_CHECK_SIZEOF(cell_t)
339 # Now, let's see about alignment requirements. On some platforms, we override
343 tor_cv_unaligned_ok=no
346 AC_CACHE_CHECK([whether unaligned int access is allowed], tor_cv_unaligned_ok,
347 [AC_RUN_IFELSE([AC_LANG_SOURCE(
348 [[int main () { char s[] = "A\x00\x00\x00\x00\x00\x00\x00";
349 return *(int*)(&s[1]); }]])],
350 [tor_cv_unaligned_ok=yes],
351 [tor_cv_unaligned_ok=no],
352 [tor_cv_unaligned_ok=cross])])
355 if test $tor_cv_unaligned_ok = yes; then
356 AC_DEFINE([UNALIGNED_INT_ACCESS_OK], 1,
357 [Define to 1 iff unaligned int access is allowed])
360 # Now make sure that NULL can be represented as zero bytes.
361 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
362 [AC_RUN_IFELSE([AC_LANG_SOURCE(
363 [[#include <stdlib.h>
369 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
370 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
371 [tor_cv_null_is_zero=yes],
372 [tor_cv_null_is_zero=no],
373 [tor_cv_null_is_zero=cross])])
375 if test $tor_cv_null_is_zero = yes; then
376 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
377 [Define to 1 iff memset(0) sets pointers to NULL])
380 # Whether we should use the dmalloc memory allocation debugging library.
381 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
383 [ --with-dmalloc Use debug memory allocation library. ],
384 [if [[ "$withval" = "yes" ]]; then
390 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
393 if [[ $dmalloc -eq 1 ]]; then
394 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
395 AC_SEARCH_LIBS(dmalloc_malloc, [dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
396 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
397 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
400 # Check for gethostbyname_r in all its glorious incompatible versions.
401 # (This logic is based on that in Python's configure.in)
402 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
403 [Define this if you have any gethostbyname_r()])
405 AC_CHECK_FUNC(gethostbyname_r, [
406 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
408 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
413 struct hostent *h1, *h2;
415 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
417 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
418 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
419 [Define this if gethostbyname_r takes 6 arguments])
428 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
430 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
431 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
432 [Define this if gethostbyname_r takes 5 arguments])
440 struct hostent_data hd;
441 (void) gethostbyname_r(cp1,h1,&hd);
443 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
444 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
445 [Define this if gethostbyname_r takes 3 arguments])
455 # $prefix stores the value of the --prefix command line option, or
456 # NONE if the option wasn't set. In the case that it wasn't set, make
457 # it be the default, so that we can use it to expand directories now.
458 if test "x$prefix" = "xNONE"; then
459 prefix=$ac_default_prefix
462 # and similarly for $exec_prefix
463 if test "x$exec_prefix" = "xNONE"; then
467 CONFDIR=`eval echo $sysconfdir/tor`
469 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
470 AC_DEFINE([CONFDIR], [], [tor's configuration directory])
472 BINDIR=`eval echo $bindir`
475 LOCALSTATEDIR=`eval echo $localstatedir`
476 AC_SUBST(LOCALSTATEDIR)
477 AC_DEFINE_UNQUOTED(LOCALSTATEDIR,"$LOCALSTATEDIR")
478 AC_DEFINE([LOCALSTATEDIR], [], [Default location to store state files.])
480 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
481 # than autoconf's macros like.
482 CFLAGS="$CFLAGS -Wall -g -O2"
483 # Add some more warnings which we use in the cvs version but not in the
484 # released versions. (Some relevant gcc versions can't handle these.)
485 #CFLAGS="$CFLAGS -W -Wno-unused-parameter -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls"
486 # Add these in when you feel like fun.
487 #CFLAGS="$CFLAGS -Wbad-function-cast -Werror -Wdeclaration-after-statement"
489 echo "confdir: $CONFDIR"
491 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)
493 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
494 ./contrib/updateVersions.pl