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, 0.1.0.7-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 enable_threads="yes";;
38 if test $enable_threads = "yes"; then
39 AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
46 # The big search for OpenSSL
47 # copied from openssh's configure.ac
49 [ --with-ssl-dir=PATH Specify path to OpenSSL installation ],
51 if test "x$withval" != "xno" ; then
57 AC_SEARCH_LIBS(socket, [socket])
58 AC_SEARCH_LIBS(gethostbyname, [nsl])
59 AC_SEARCH_LIBS(pthread_create, [pthread])
60 AC_SEARCH_LIBS(pthread_detach, [pthread])
62 dnl ------------------------------------------------------
63 dnl Where do you live, libevent?
66 AC_CACHE_CHECK([for a normal libevent], ac_cv_libevent_normal, [
70 void *event_init(void);
76 }], ac_cv_libevent_normal=yes, ac_cv_libevent_normal=no)
81 if test "$ac_cv_libevent_normal" = yes; then
84 AC_CACHE_CHECK([for libevent in /usr/local/lib], ac_cv_libevent_local, [
86 saved_LDFLAGS="$LDFLAGS"
88 LDFLAGS="$LDFLAGS -L/usr/local/lib"
89 AC_TRY_LINK([], [ void *event_init(void); event_init(); ],
90 [ libevent_is_in_local=yes ], [ libevent_is_in_local=no ])
91 if test $libevent_is_in_local = yes; then
93 void *event_init(void);
99 }], [ ac_cv_libevent_local=yes ], [ ac_cv_libevent_local=unlinked ])
101 ac_cv_libevent_local=no
103 if test "$GCC" = yes -a $ac_cv_libevent_local = unlinked ; then
104 LDFLAGS="$LDFLAGS -Wl,-R/usr/local/lib"
106 void *event_init(void);
112 }], [ ac_cv_libevent_local=unlinked_gcc_elf ])
116 CFLAGS="$saved_CFLAGS"
117 LDFLAGS="$saved_LDFLAGS" ])
119 if test $ac_cv_libevent_local != no; then
121 LDFLAGS="$LDFLAGS -L/usr/local/lib"
122 CPPFLAGS="$CPPFLAGS -I/usr/local/include"
124 if test $ac_cv_libevent_local = unlinked_gcc_elf; then
125 LDFLAGS="$LDFLAGS -Wl,-R/usr/local/lib"
126 if test -f /etc/ld.so.conf ; then
128 Apparently, you don't have /usr/local/lib in your /etc/ld.so.conf.
129 Tor is smart enought to deal this now, but other applications aren't.
130 You might want to add it in.])
134 if test $ac_cv_libevent_local = unlinked ; then
135 if test -f /etc/ld.so.conf ; then
137 =================================================
138 Your libevent library is installed in /usr/local/lib,
139 but your dynamic linker isn't configured to look for
142 Maybe you need to add /usr/local/lib to /etc/ld.so.conf,
143 and then run ldconfig -v ?
144 =================================================])
147 =================================================
148 Your libevent library is installed in /usr/local/lib,
149 but your dynamic linker isn't configured to look for
151 =================================================])
155 if test $ac_cv_libevent_local = no ; then
157 Tor requires libevent to build. You can download the latest
158 version of libevent from http://monkey.org/~provos/libevent/])
163 dnl ------------------------------------------------------
164 dnl Where do you live, OpenSSL?
167 saved_LDFLAGS="$LDFLAGS"
168 saved_CPPFLAGS="$CPPFLAGS"
169 if test "x$prefix" != "xNONE" ; then
170 tryssldir="$tryssldir $prefix"
172 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
173 for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /usr/pkg /opt /opt/openssl ; do
174 CPPFLAGS="$saved_CPPFLAGS"
175 LDFLAGS="$saved_LDFLAGS"
176 LIBS="$saved_LIBS -lssl -lcrypto"
178 # Skip directories if they don't exist
179 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
182 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
183 # Try to use $ssldir/lib if it exists, otherwise
185 if test -d "$ssldir/lib" ; then
186 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
187 if test ! -z "$need_dash_r" ; then
188 LDFLAGS="-R$ssldir/lib $LDFLAGS"
191 LDFLAGS="-L$ssldir $saved_LDFLAGS"
192 if test ! -z "$need_dash_r" ; then
193 LDFLAGS="-R$ssldir $LDFLAGS"
196 # Try to use $ssldir/include if it exists, otherwise
198 if test -d "$ssldir/include" ; then
199 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
201 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
205 # Basic test to check for compatible version and correct linking
206 # *does not* test for RSA - that comes later.
210 #include <openssl/rand.h>
214 memset(a, 0, sizeof(a));
215 RAND_add(a, sizeof(a), sizeof(a));
216 return(RAND_status() <= 0);
225 if test ! -z "$found_crypto" ; then
230 if test -z "$found_crypto" ; then
231 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
233 if test -z "$ssldir" ; then
237 ac_cv_openssldir=$ssldir
239 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ;
241 dnl Need to recover ssldir - test above runs in subshell
242 ssldir=$ac_cv_openssldir
243 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
244 # Try to use $ssldir/lib if it exists, otherwise
246 if test -d "$ssldir/lib" ; then
247 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
248 if test ! -z "$need_dash_r" ; then
249 LDFLAGS="-R$ssldir/lib $LDFLAGS"
252 LDFLAGS="-L$ssldir $saved_LDFLAGS"
253 if test ! -z "$need_dash_r" ; then
254 LDFLAGS="-R$ssldir $LDFLAGS"
257 # Try to use $ssldir/include if it exists, otherwise
259 if test -d "$ssldir/include" ; then
260 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
262 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
270 dnl The warning message here is no longer strictly accurate.
272 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))
274 AC_CHECK_HEADERS(event.h, , AC_MSG_ERROR(Libevent header (event.h) not found. Tor requires libevent to build.))
276 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.))
278 dnl These headers are not essential
280 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)
282 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)
285 AC_CHECK_MEMBERS([struct timeval.tv_sec])
288 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
291 AC_CHECK_SIZEOF(int8_t)
292 AC_CHECK_SIZEOF(int16_t)
293 AC_CHECK_SIZEOF(int32_t)
294 AC_CHECK_SIZEOF(int64_t)
295 AC_CHECK_SIZEOF(uint8_t)
296 AC_CHECK_SIZEOF(uint16_t)
297 AC_CHECK_SIZEOF(uint32_t)
298 AC_CHECK_SIZEOF(uint64_t)
299 AC_CHECK_SIZEOF(intptr_t)
300 AC_CHECK_SIZEOF(uintptr_t)
302 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
304 AC_CHECK_SIZEOF(char)
305 AC_CHECK_SIZEOF(short)
307 AC_CHECK_SIZEOF(long)
308 AC_CHECK_SIZEOF(long long)
309 AC_CHECK_SIZEOF(__int64)
310 AC_CHECK_SIZEOF(void *)
311 AC_CHECK_SIZEOF(time_t)
312 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
313 #ifdef HAVE_SYS_SOCKET_H
314 #include <sys/socket.h>
318 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
320 AC_CHECK_SIZEOF(cell_t)
322 # Now, let's see about alignment requirements. On some platforms, we override
326 tor_cv_unaligned_ok=no
329 AC_CACHE_CHECK([whether unaligned int access is allowed], tor_cv_unaligned_ok,
330 [AC_RUN_IFELSE([AC_LANG_SOURCE(
331 [[int main () { char s[] = "A\x00\x00\x00\x00\x00\x00\x00";
332 return *(int*)(&s[1]); }]])],
333 [tor_cv_unaligned_ok=yes],
334 [tor_cv_unaligned_ok=no],
335 [tor_cv_unaligned_ok=cross])])
338 if test $tor_cv_unaligned_ok = yes; then
339 AC_DEFINE([UNALIGNED_INT_ACCESS_OK], 1,
340 [Define to 1 iff unaligned int access is allowed])
343 # Now make sure that NULL can be represented as zero bytes.
344 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
345 [AC_RUN_IFELSE([AC_LANG_SOURCE(
346 [[#include <stdlib.h>
352 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
353 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
354 [tor_cv_null_is_zero=yes],
355 [tor_cv_null_is_zero=no],
356 [tor_cv_null_is_zero=cross])])
358 if test $tor_cv_null_is_zero = yes; then
359 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
360 [Define to 1 iff memset(0) sets pointers to NULL])
363 # Whether we should use the dmalloc memory allocation debugging library.
364 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
366 [ --with-dmalloc Use debug memory allocation library. ],
367 [if [[ "$withval" = "yes" ]]; then
373 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
376 if [[ $dmalloc -eq 1 ]]; then
377 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
378 AC_SEARCH_LIBS(dmalloc_malloc, [dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
379 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
380 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
383 # Check for gethostbyname_r in all its glorious incompatible versions.
384 # (This logic is based on that in Python's configure.in)
385 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
386 [Define this if you have any gethostbyname_r()])
388 AC_CHECK_FUNC(gethostbyname_r, [
389 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
391 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
396 struct hostent *h1, *h2;
398 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
400 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
401 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
402 [Define this if gethostbyname_r takes 6 arguments])
411 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
413 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
414 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
415 [Define this if gethostbyname_r takes 5 arguments])
423 struct hostent_data hd;
424 (void) gethostbyname_r(cp1,h1,&hd);
426 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
427 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
428 [Define this if gethostbyname_r takes 3 arguments])
438 # $prefix stores the value of the --prefix command line option, or
439 # NONE if the option wasn't set. In the case that it wasn't set, make
440 # it be the default, so that we can use it to expand directories now.
441 if test "x$prefix" = "xNONE"; then
442 prefix=$ac_default_prefix
445 # and similarly for $exec_prefix
446 if test "x$exec_prefix" = "xNONE"; then
450 CONFDIR=`eval echo $sysconfdir/tor`
452 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
453 AC_DEFINE([CONFDIR], [], [tor's configuration directory])
455 BINDIR=`eval echo $bindir`
458 LOCALSTATEDIR=`eval echo $localstatedir`
459 AC_SUBST(LOCALSTATEDIR)
460 AC_DEFINE_UNQUOTED(LOCALSTATEDIR,"$LOCALSTATEDIR")
461 AC_DEFINE([LOCALSTATEDIR], [], [Default location to store state files.])
463 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
464 # than autoconf's macros like.
465 CFLAGS="$CFLAGS -Wall -g -O2"
466 # Add some more warnings which we use in the cvs version but not in the
467 # released versions. (Some relevant gcc versions can't handle these.)
468 #CFLAGS="$CFLAGS -W -Wno-unused-parameter -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls"
469 # Add these in when you feel like fun.
470 #CFLAGS="$CFLAGS -Wbad-function-cast -Werror -Wdeclaration-after-statement"
472 echo "confdir: $CONFDIR"
474 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 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)
476 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
477 ./contrib/updateVersions.pl