2 dnl Copyright (c) 2001-2004, Roger Dingledine
3 dnl Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson
4 dnl Copyright (c) 2007-2008, The Tor Project, Inc.
5 dnl See LICENSE for licensing information
8 AM_INIT_AUTOMAKE(tor, 0.2.1.2-alpha)
9 AM_CONFIG_HEADER(orconfig.h)
13 if test -f /etc/redhat-release ; then
14 if test -f /usr/kerberos/include ; then
15 CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
19 # Not a no-op; we want to make sure that CPPFLAGS is set before we use
20 # the += operator on it in src/or/Makefile.am
21 CPPFLAGS="$CPPFLAGS -I../common"
24 AS_HELP_STRING(--enable-debug, compile with debugging info),
25 [if test x$enableval = xyes; then
29 #XXXX ideally, we should make this into a no-op, and detect whether we're
30 #compiling for the iphone by using $target.
32 AS_HELP_STRING(--enable-iphone, compile with iPhone support),
33 [if test x$enableval = xyes ; then
35 CFLAGS="$CFLAGS -D__DARWIN_UNIX03 -DIPHONE"
38 #XXXX020 We should make these enabled or not, before 0.2.0.x-final
39 AC_ARG_ENABLE(cell-pool,
40 AS_HELP_STRING(--disable-cell-pool, disable pool allocator for cells))
41 AC_ARG_ENABLE(buf-freelists,
42 AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM))
43 AC_ARG_ENABLE(openbsd-malloc,
44 AS_HELP_STRING(--enable-openbsd-malloc, Use malloc code from openbsd. Linux only))
45 AC_ARG_ENABLE(instrument-downloads,
46 AS_HELP_STRING(--enable-instrument-downloads, Instrument downloads of directory resources etc.))
49 if test x$enable_cell_pool != xno; then
50 AC_DEFINE(ENABLE_CELL_POOL, 1,
51 [Defined if we try to use the pool allocator for queued cells])
53 if test x$enable_buf_freelists != xno; then
54 AC_DEFINE(ENABLE_BUF_FREELISTS, 1,
55 [Defined if we try to use freelists for buffer RAM chunks])
57 AM_CONDITIONAL(USE_OPENBSD_MALLOC, test x$enable_openbsd_malloc = xyes)
58 if test x$enable_instrument_downloads == xyes; then
59 AC_DEFINE(INSTRUMENT_DOWNLOADS, 1,
60 [Defined if we want to keep track of how much of each kind of resource we download.])
63 AC_ARG_ENABLE(transparent,
64 AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
65 [case "${enableval}" in
66 yes) transparent=true ;;
67 no) transparent=false ;;
68 *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
69 esac], [transparent=true])
71 AC_ARG_ENABLE(threads,
72 AS_HELP_STRING(--disable-threads, disable multi-threading support))
74 if test x$enable_threads = x; then
77 # Don't try multithreading on solaris -- cpuworkers seem to lock.
78 AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
79 cpu workers lock up here, so I will disable threads.])
82 enable_threads="yes";;
86 if test "$enable_threads" = "yes"; then
87 AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
92 AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
96 AC_ARG_ENABLE(geoip-stats,
97 AS_HELP_STRING(--enable-geoip-stats, enable code for directories to collect per-country statistics))
99 if test "$enable_geoip_stats" = "yes"; then
100 AC_DEFINE(ENABLE_GEOIP_STATS, 1, [Defined if we try to collect per-country statistics])
103 AC_ARG_ENABLE(gcc-warnings,
104 AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
112 AC_ARG_WITH(tor-user,
113 [ --with-tor-user=NAME Specify username for tor daemon ],
121 AC_ARG_WITH(tor-group,
122 [ --with-tor-group=NAME Specify group name for tor daemon ],
130 dnl If WIN32 is defined and non-zero, we are building for win32
131 AC_MSG_CHECKING([for win32])
133 int main(int c, char **v) {
144 bwin32=true; AC_MSG_RESULT([yes]),
145 bwin32=false; AC_MSG_RESULT([no]),
146 bwin32=cross; AC_MSG_RESULT([cross])
149 if test "$bwin32" = cross; then
150 AC_MSG_CHECKING([for win32 (cross)])
153 int main(int c, char **v) {return 0;}
156 int main(int c, char **v) {return x(y);}
159 bwin32=true; AC_MSG_RESULT([yes]),
160 bwin32=false; AC_MSG_RESULT([no]))
163 if test "$bwin32" = true; then
164 AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
166 AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
168 dnl Enable C99 when compiling with MIPSpro
169 AC_MSG_CHECKING([for MIPSpro compiler])
170 AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
171 #if (defined(__sgi) && defined(_COMPILER_VERSION))
176 bmipspro=false; AC_MSG_RESULT(no),
177 bmipspro=true; AC_MSG_RESULT(yes))
179 if test "$bmipspro" = true; then
180 CFLAGS="$CFLAGS -c99"
185 AC_SEARCH_LIBS(socket, [socket])
186 AC_SEARCH_LIBS(gethostbyname, [nsl])
187 AC_SEARCH_LIBS(dlopen, [dl])
188 AC_SEARCH_LIBS(inet_aton, [resolv])
190 if test "$enable_threads" = "yes"; then
191 AC_SEARCH_LIBS(pthread_create, [pthread])
192 AC_SEARCH_LIBS(pthread_detach, [pthread])
195 dnl -------------------------------------------------------------------
196 dnl Check for functions before libevent, since libevent-1.2 apparently
197 dnl exports strlcpy without defining it in a header.
199 AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull ftello getaddrinfo localtime_r gmtime_r memmem strtok_r inet_pton inet_ntop writev readv)
201 using_custom_malloc=no
202 if test x$enable_openbsd_malloc = xyes ; then
203 AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
204 using_custom_malloc=yes
206 if test x$tcmalloc = xyes ; then
207 using_custom_malloc=yes
209 if test $using_custom_malloc = no ; then
210 AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
213 if test "$enable_threads" = "yes"; then
214 AC_CHECK_HEADERS(pthread.h)
215 AC_CHECK_FUNCS(pthread_create)
218 dnl ------------------------------------------------------
219 dnl Where do you live, libevent? And how do we call you?
221 if test "$bwin32" = true; then
222 TOR_LIB_WS32=-lws2_32
223 # Some of the cargo-cults recommend -lwsock32 as well, but I don't
224 # think it's actually necessary.
230 AC_SUBST(TOR_LIB_WS32)
231 AC_SUBST(TOR_LIB_GDI)
233 dnl We need to do this before we try our disgusting hack below.
234 AC_CHECK_HEADERS([sys/types.h])
236 dnl This is a disgusting hack so we safely include older libevent headers.
237 AC_CHECK_TYPE(u_int64_t, unsigned long long)
238 AC_CHECK_TYPE(u_int32_t, unsigned long)
239 AC_CHECK_TYPE(u_int16_t, unsigned short)
240 AC_CHECK_TYPE(u_int8_t, unsigned char)
242 tor_libevent_pkg_redhat="libevent"
243 tor_libevent_pkg_debian="libevent-dev"
244 tor_libevent_devpkg_redhat="libevent-devel"
245 tor_libevent_devpkg_debian="libevent-dev"
247 TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
249 #include <winsock2.h>
252 #include <sys/time.h>
253 #include <sys/types.h>
254 #include <event.h>], [
256 #include <winsock2.h>
258 void exit(int); void *event_init(void);],
261 {WSADATA d; WSAStartup(0x101,&d); }
263 event_init(); exit(0);
264 ], [--with-libevent-dir], [/opt/libevent])
266 dnl Now check for particular libevent functions.
268 save_LDFLAGS="$LDFLAGS"
269 save_CPPFLAGS="$CPPFLAGS"
270 LIBS="-levent $TOR_LIB_WS32 $LIBS"
271 LDFLAGS="$TOR_LDFLAGS_libevent $LIBS"
272 CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
273 AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
275 LDFLAGS="$save_LDFLAGS"
276 CPPFLAGS="$save_CPPFLAGS"
278 dnl ------------------------------------------------------
279 dnl Where do you live, openssl? And how do we call you?
281 tor_openssl_pkg_redhat="openssl"
282 tor_openssl_pkg_debian="libssl"
283 tor_openssl_devpkg_redhat="openssl-devel"
284 tor_openssl_devpkg_debian="libssl-dev"
286 TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
287 [#include <openssl/rand.h>],
288 [void RAND_add(const void *buf, int num, double entropy);],
289 [RAND_add((void*)0,0,0); exit(0);], [--with-ssl-dir],
290 [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
292 dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
294 dnl ------------------------------------------------------
295 dnl Where do you live, zlib? And how do we call you?
297 tor_openssl_pkg_redhat="zlib"
298 tor_openssl_pkg_debian="zlib1g"
299 tor_openssl_devpkg_redhat="zlib-devel"
300 tor_openssl_devpkg_debian="zlib1g-dev"
302 TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
304 [const char * zlibVersion(void);],
305 [zlibVersion(); exit(0);], [--with-zlib-dir],
308 dnl Make sure to enable support for large off_t if available.
312 AC_CHECK_HEADERS(unistd.h string.h signal.h ctype.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
314 AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h sys/uio.h)
316 dnl These headers are not essential
318 AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netinet/in6.h malloc.h sys/syslimits.h malloc/malloc.h)
320 TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
321 [#ifdef HAVE_MALLOC_H
324 #ifdef HAVE_MALLOC_MALLOC_H
325 #include <malloc/malloc.h>
328 AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
329 [#ifdef HAVE_SYS_TYPES_H
330 #include <sys/types.h>
332 #ifdef HAVE_SYS_SOCKET_H
333 #include <sys/socket.h>
335 AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
336 [#ifdef HAVE_SYS_TYPES_H
337 #include <sys/types.h>
339 #ifdef HAVE_SYS_SOCKET_H
340 #include <sys/socket.h>
345 AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
346 linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
347 [#ifdef HAVE_SYS_TYPES_H
348 #include <sys/types.h>
350 #ifdef HAVE_SYS_SOCKET_H
351 #include <sys/socket.h>
354 if test x$transparent = xtrue ; then
356 if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
359 if test x$linux_netfilter_ipv4 = x1 ; then
362 if test x$transparent_ok = x1 ; then
363 AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
366 AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
369 AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
375 AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
376 [#ifdef HAVE_SYS_TYPES_H
377 #include <sys/types.h>
379 #ifdef HAVE_SYS_TIME_H
380 #include <sys/time.h>
383 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
386 AC_CHECK_SIZEOF(int8_t)
387 AC_CHECK_SIZEOF(int16_t)
388 AC_CHECK_SIZEOF(int32_t)
389 AC_CHECK_SIZEOF(int64_t)
390 AC_CHECK_SIZEOF(uint8_t)
391 AC_CHECK_SIZEOF(uint16_t)
392 AC_CHECK_SIZEOF(uint32_t)
393 AC_CHECK_SIZEOF(uint64_t)
394 AC_CHECK_SIZEOF(intptr_t)
395 AC_CHECK_SIZEOF(uintptr_t)
397 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
399 AC_CHECK_SIZEOF(char)
400 AC_CHECK_SIZEOF(short)
402 AC_CHECK_SIZEOF(long)
403 AC_CHECK_SIZEOF(long long)
404 AC_CHECK_SIZEOF(__int64)
405 AC_CHECK_SIZEOF(void *)
406 AC_CHECK_SIZEOF(time_t)
407 AC_CHECK_SIZEOF(size_t)
409 AC_CHECK_TYPES([uint, u_char, ssize_t])
411 AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, struct sockaddr_storage, sa_family_t], , ,
412 [#ifdef HAVE_SYS_TYPES_H
413 #include <sys/types.h>
415 #ifdef HAVE_NETINET_IN_H
416 #include <netinet/in.h>
418 #ifdef HAVE_NETINET_IN6_H
419 #include <netinet/in6.h>
421 #ifdef HAVE_SYS_SOCKET_H
422 #include <sys/socket.h>
425 #define WIN32_WINNT 0x400
426 #define _WIN32_WINNT 0x400
427 #define WIN32_LEAN_AND_MEAN
428 #if defined(_MSC_VER) && (_MSC_VER < 1300)
431 #include <winsock2.h>
432 #include <ws2tcpip.h>
436 AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16], , ,
437 [#ifdef HAVE_SYS_TYPES_H
438 #include <sys/types.h>
440 #ifdef HAVE_NETINET_IN_H
441 #include <netinet/in.h>
443 #ifdef HAVE_NETINET_IN6_H
444 #include <netinet/in6.h>
446 #ifdef HAVE_SYS_SOCKET_H
447 #include <sys/socket.h>
450 #define WIN32_WINNT 0x400
451 #define _WIN32_WINNT 0x400
452 #define WIN32_LEAN_AND_MEAN
453 #if defined(_MSC_VER) && (_MSC_VER < 1300)
456 #include <winsock2.h>
457 #include <ws2tcpip.h>
462 AC_CHECK_TYPES([rlim_t], , ,
463 [#ifdef HAVE_SYS_TYPES_H
464 #include <sys/types.h>
466 #ifdef HAVE_SYS_TIME_H
467 #include <sys/time.h>
469 #ifdef HAVE_SYS_RESOURCE_H
470 #include <sys/resource.h>
474 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
475 AC_RUN_IFELSE(AC_LANG_SOURCE([
476 #ifdef HAVE_SYS_TYPES_H
477 #include <sys/types.h>
479 #ifdef HAVE_SYS_TIME_H
480 #include <sys/time.h>
485 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
486 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
489 if test "$tor_cv_time_t_signed" = cross; then
490 AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
493 if test "$tor_cv_time_t_signed" != no; then
494 AC_DEFINE([TIME_T_IS_SIGNED], 1,
495 [Define to 1 iff time_t is signed])
498 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
499 #ifdef HAVE_SYS_SOCKET_H
500 #include <sys/socket.h>
504 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
506 AC_CHECK_SIZEOF(cell_t)
508 # Now make sure that NULL can be represented as zero bytes.
509 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
510 [AC_RUN_IFELSE([AC_LANG_SOURCE(
511 [[#include <stdlib.h>
517 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
518 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
519 [tor_cv_null_is_zero=yes],
520 [tor_cv_null_is_zero=no],
521 [tor_cv_null_is_zero=cross])])
523 if test "$tor_cv_null_is_zero" = cross ; then
524 # Cross-compiling; let's hope that the target isn't raving mad.
525 AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
528 if test "$tor_cv_null_is_zero" != no; then
529 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
530 [Define to 1 iff memset(0) sets pointers to NULL])
533 # And what happens when we malloc zero?
534 AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
535 [AC_RUN_IFELSE([AC_LANG_SOURCE(
536 [[#include <stdlib.h>
542 int main () { return malloc(0)?0:1; }]])],
543 [tor_cv_malloc_zero_works=yes],
544 [tor_cv_malloc_zero_works=no],
545 [tor_cv_malloc_zero_works=cross])])
547 if test "$tor_cv_malloc_zero_works" = cross; then
548 # Cross-compiling; let's hope that the target isn't raving mad.
549 AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
552 if test "$tor_cv_malloc_zero_works" = yes; then
553 AC_DEFINE([MALLOC_ZERO_WORKS], 1,
554 [Define to 1 iff malloc(0) returns a pointer])
557 # whether we seem to be in a 2s-complement world.
558 AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
559 [AC_RUN_IFELSE([AC_LANG_SOURCE(
560 [[int main () { int problem = ((-99) != (~99)+1);
561 return problem ? 1 : 0; }]])],
562 [tor_cv_twos_complement=yes],
563 [tor_cv_twos_complement=no],
564 [tor_cv_twos_complement=cross])])
566 if test "$tor_cv_twos_complement" = cross ; then
567 # Cross-compiling; let's hope that the target isn't raving mad.
568 AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
571 if test "$tor_cv_twos_complement" != no ; then
572 AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
573 [Define to 1 iff we represent negative integers with two's complement])
576 # Whether we should use the dmalloc memory allocation debugging library.
577 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
579 [ --with-dmalloc Use debug memory allocation library. ],
580 [if [[ "$withval" = "yes" ]]; then
586 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
589 if [[ $dmalloc -eq 1 ]]; then
590 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
591 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
592 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
593 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
594 AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
597 AC_ARG_WITH(tcmalloc,
598 [ --with-tcmalloc Use tcmalloc memory allocation library. ],
599 [ tcmalloc=yes ], [ tcmalloc=no ])
601 if test x$tcmalloc = xyes ; then
602 LDFLAGS="-ltcmalloc $LDFLAGS"
605 # Allow user to specify an alternate syslog facility
606 AC_ARG_WITH(syslog-facility,
607 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
608 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
609 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
610 AC_SUBST(LOGFACILITY)
612 # Check for gethostbyname_r in all its glorious incompatible versions.
613 # (This logic is based on that in Python's configure.in)
614 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
615 [Define this if you have any gethostbyname_r()])
617 AC_CHECK_FUNC(gethostbyname_r, [
618 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
620 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
621 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
625 struct hostent *h1, *h2;
627 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
629 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
630 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
631 [Define this if gethostbyname_r takes 6 arguments])
640 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
642 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
643 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
644 [Define this if gethostbyname_r takes 5 arguments])
652 struct hostent_data hd;
653 (void) gethostbyname_r(cp1,h1,&hd);
655 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
656 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
657 [Define this if gethostbyname_r takes 3 arguments])
667 AC_CACHE_CHECK([whether the C compiler supports __func__],
668 tor_cv_have_func_macro,
671 int main(int c, char **v) { puts(__func__); }],
672 tor_cv_have_func_macro=yes,
673 tor_cv_have_func_macro=no))
675 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
676 tor_cv_have_FUNC_macro,
679 int main(int c, char **v) { puts(__FUNC__); }],
680 tor_cv_have_FUNC_macro=yes,
681 tor_cv_have_FUNC_macro=no))
683 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
684 tor_cv_have_FUNCTION_macro,
687 int main(int c, char **v) { puts(__FUNCTION__); }],
688 tor_cv_have_FUNCTION_macro=yes,
689 tor_cv_have_FUNCTION_macro=no))
691 if test "$tor_cv_have_func_macro" = 'yes'; then
692 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
695 if test "$tor_cv_have_FUNC_macro" = 'yes'; then
696 AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
699 if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
700 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
701 [Defined if the compiler supports __FUNCTION__])
704 # $prefix stores the value of the --prefix command line option, or
705 # NONE if the option wasn't set. In the case that it wasn't set, make
706 # it be the default, so that we can use it to expand directories now.
707 if test "x$prefix" = "xNONE"; then
708 prefix=$ac_default_prefix
711 # and similarly for $exec_prefix
712 if test "x$exec_prefix" = "xNONE"; then
716 if test "x$CONFDIR" = "x"; then
717 CONFDIR=`eval echo $sysconfdir/tor`
720 AH_TEMPLATE([CONFDIR],[tor's configuration directory])
721 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
723 BINDIR=`eval echo $bindir`
725 LOCALSTATEDIR=`eval echo $localstatedir`
726 AC_SUBST(LOCALSTATEDIR)
728 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
729 # than autoconf's macros like.
730 if test "$ac_cv_c_compiler_gnu" = yes; then
731 CFLAGS="$CFLAGS -Wall -g -O2"
733 CFLAGS="$CFLAGS -g -O"
734 enable_gcc_warnings=no
737 # Add some more warnings which we use in development but not in the
738 # released versions. (Some relevant gcc versions can't handle these.)
739 if test x$enable_gcc_warnings = xyes; then
741 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
742 #if !defined(__GNUC__) || (__GNUC__ < 4)
744 #endif]), have_gcc4=yes, have_gcc4=no)
746 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
747 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
749 #endif]), have_gcc42=yes, have_gcc42=no)
751 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
752 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
754 #endif]), have_gcc43=yes, have_gcc43=no)
756 save_CFLAGS="$CFLAGS"
757 CFLAGS="$CFLAGS -Wshorten-64-to-32"
758 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes,
759 have_shorten64_flag=no)
760 CFLAGS="$save_CFLAGS"
762 CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
764 # Disabled, so we can use mallinfo(): -Waggregate-return
766 if test x$have_gcc4 = xyes ; then
767 # These warnings break gcc 3.3.5 and work on gcc 4.0.2
768 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
771 if test x$have_gcc42 = xyes ; then
772 # These warnings break gcc 4.0.2 and work on gcc 4.2
773 # XXXX020 Use -fstack-protector.
774 # XXXX020 See if any of these work with earlier versions.
775 CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1"
776 # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
779 if test x$have_gcc43 = xyes ; then
780 # These warnings break gcc 4.2 and work on gcc 4.3
781 # XXXX020 See if any of these work with earlier versions.
782 CFLAGS="$CFLAGS -Wextra -Warray-bounds"
785 if test x$have_shorten64_flag = xyes ; then
786 CFLAGS="$CFLAGS -Wshorten-64-to-32"
789 ##This will break the world on some 64-bit architectures
790 # CFLAGS="$CFLAGS -Winline"
795 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
797 AC_CONFIG_FILES([Makefile tor.spec Doxyfile 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 doc/spec/Makefile src/config/Makefile src/common/Makefile src/or/Makefile src/win32/Makefile src/tools/Makefile contrib/suse/Makefile contrib/suse/tor.sh])
800 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
801 ./contrib/updateVersions.pl