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-dev)
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, $tryzlibdir, [-lz],
304 [const char * zlibVersion(void);],
305 [zlibVersion(); exit(0);], [--with-zlib-dir],
308 dnl Make sure to enable support for large off_t if available.
312 AC_CHECK_HEADERS(unistd.h string.h signal.h ctype.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
314 AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h sys/uio.h)
316 dnl These headers are not essential
318 AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netinet/in6.h malloc.h sys/syslimits.h malloc/malloc.h)
320 TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
321 [#ifdef HAVE_MALLOC_H
324 #ifdef HAVE_MALLOC_MALLOC_H
325 #include <malloc/malloc.h>
328 AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
329 [#ifdef HAVE_SYS_TYPES_H
330 #include <sys/types.h>
332 #ifdef HAVE_SYS_SOCKET_H
333 #include <sys/socket.h>
335 AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
336 [#ifdef HAVE_SYS_TYPES_H
337 #include <sys/types.h>
339 #ifdef HAVE_SYS_SOCKET_H
340 #include <sys/socket.h>
345 AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
346 linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
347 [#ifdef HAVE_SYS_TYPES_H
348 #include <sys/types.h>
350 #ifdef HAVE_SYS_SOCKET_H
351 #include <sys/socket.h>
353 #ifdef HAVE_NETINET_IN_H
354 #include <netinet/in.h>
357 if test x$transparent = xtrue ; then
359 if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
362 if test x$linux_netfilter_ipv4 = x1 ; then
365 if test x$transparent_ok = x1 ; then
366 AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
369 AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
372 AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
378 AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
379 [#ifdef HAVE_SYS_TYPES_H
380 #include <sys/types.h>
382 #ifdef HAVE_SYS_TIME_H
383 #include <sys/time.h>
386 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
389 AC_CHECK_SIZEOF(int8_t)
390 AC_CHECK_SIZEOF(int16_t)
391 AC_CHECK_SIZEOF(int32_t)
392 AC_CHECK_SIZEOF(int64_t)
393 AC_CHECK_SIZEOF(uint8_t)
394 AC_CHECK_SIZEOF(uint16_t)
395 AC_CHECK_SIZEOF(uint32_t)
396 AC_CHECK_SIZEOF(uint64_t)
397 AC_CHECK_SIZEOF(intptr_t)
398 AC_CHECK_SIZEOF(uintptr_t)
400 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
402 AC_CHECK_SIZEOF(char)
403 AC_CHECK_SIZEOF(short)
405 AC_CHECK_SIZEOF(long)
406 AC_CHECK_SIZEOF(long long)
407 AC_CHECK_SIZEOF(__int64)
408 AC_CHECK_SIZEOF(void *)
409 AC_CHECK_SIZEOF(time_t)
410 AC_CHECK_SIZEOF(size_t)
412 AC_CHECK_TYPES([uint, u_char, ssize_t])
414 AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, struct sockaddr_storage, sa_family_t], , ,
415 [#ifdef HAVE_SYS_TYPES_H
416 #include <sys/types.h>
418 #ifdef HAVE_NETINET_IN_H
419 #include <netinet/in.h>
421 #ifdef HAVE_NETINET_IN6_H
422 #include <netinet/in6.h>
424 #ifdef HAVE_SYS_SOCKET_H
425 #include <sys/socket.h>
428 #define WIN32_WINNT 0x400
429 #define _WIN32_WINNT 0x400
430 #define WIN32_LEAN_AND_MEAN
431 #if defined(_MSC_VER) && (_MSC_VER < 1300)
434 #include <winsock2.h>
435 #include <ws2tcpip.h>
439 AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16], , ,
440 [#ifdef HAVE_SYS_TYPES_H
441 #include <sys/types.h>
443 #ifdef HAVE_NETINET_IN_H
444 #include <netinet/in.h>
446 #ifdef HAVE_NETINET_IN6_H
447 #include <netinet/in6.h>
449 #ifdef HAVE_SYS_SOCKET_H
450 #include <sys/socket.h>
453 #define WIN32_WINNT 0x400
454 #define _WIN32_WINNT 0x400
455 #define WIN32_LEAN_AND_MEAN
456 #if defined(_MSC_VER) && (_MSC_VER < 1300)
459 #include <winsock2.h>
460 #include <ws2tcpip.h>
465 AC_CHECK_TYPES([rlim_t], , ,
466 [#ifdef HAVE_SYS_TYPES_H
467 #include <sys/types.h>
469 #ifdef HAVE_SYS_TIME_H
470 #include <sys/time.h>
472 #ifdef HAVE_SYS_RESOURCE_H
473 #include <sys/resource.h>
477 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
478 AC_RUN_IFELSE(AC_LANG_SOURCE([
479 #ifdef HAVE_SYS_TYPES_H
480 #include <sys/types.h>
482 #ifdef HAVE_SYS_TIME_H
483 #include <sys/time.h>
488 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
489 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
492 if test "$tor_cv_time_t_signed" = cross; then
493 AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
496 if test "$tor_cv_time_t_signed" != no; then
497 AC_DEFINE([TIME_T_IS_SIGNED], 1,
498 [Define to 1 iff time_t is signed])
501 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
502 #ifdef HAVE_SYS_SOCKET_H
503 #include <sys/socket.h>
507 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
509 AC_CHECK_SIZEOF(cell_t)
511 # Now make sure that NULL can be represented as zero bytes.
512 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
513 [AC_RUN_IFELSE([AC_LANG_SOURCE(
514 [[#include <stdlib.h>
520 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
521 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
522 [tor_cv_null_is_zero=yes],
523 [tor_cv_null_is_zero=no],
524 [tor_cv_null_is_zero=cross])])
526 if test "$tor_cv_null_is_zero" = cross ; then
527 # Cross-compiling; let's hope that the target isn't raving mad.
528 AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
531 if test "$tor_cv_null_is_zero" != no; then
532 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
533 [Define to 1 iff memset(0) sets pointers to NULL])
536 # And what happens when we malloc zero?
537 AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
538 [AC_RUN_IFELSE([AC_LANG_SOURCE(
539 [[#include <stdlib.h>
545 int main () { return malloc(0)?0:1; }]])],
546 [tor_cv_malloc_zero_works=yes],
547 [tor_cv_malloc_zero_works=no],
548 [tor_cv_malloc_zero_works=cross])])
550 if test "$tor_cv_malloc_zero_works" = cross; then
551 # Cross-compiling; let's hope that the target isn't raving mad.
552 AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
555 if test "$tor_cv_malloc_zero_works" = yes; then
556 AC_DEFINE([MALLOC_ZERO_WORKS], 1,
557 [Define to 1 iff malloc(0) returns a pointer])
560 # whether we seem to be in a 2s-complement world.
561 AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
562 [AC_RUN_IFELSE([AC_LANG_SOURCE(
563 [[int main () { int problem = ((-99) != (~99)+1);
564 return problem ? 1 : 0; }]])],
565 [tor_cv_twos_complement=yes],
566 [tor_cv_twos_complement=no],
567 [tor_cv_twos_complement=cross])])
569 if test "$tor_cv_twos_complement" = cross ; then
570 # Cross-compiling; let's hope that the target isn't raving mad.
571 AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
574 if test "$tor_cv_twos_complement" != no ; then
575 AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
576 [Define to 1 iff we represent negative integers with two's complement])
579 # Whether we should use the dmalloc memory allocation debugging library.
580 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
582 [ --with-dmalloc Use debug memory allocation library. ],
583 [if [[ "$withval" = "yes" ]]; then
589 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
592 if [[ $dmalloc -eq 1 ]]; then
593 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
594 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
595 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
596 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
597 AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
600 AC_ARG_WITH(tcmalloc,
601 [ --with-tcmalloc Use tcmalloc memory allocation library. ],
602 [ tcmalloc=yes ], [ tcmalloc=no ])
604 if test x$tcmalloc = xyes ; then
605 LDFLAGS="-ltcmalloc $LDFLAGS"
608 # Allow user to specify an alternate syslog facility
609 AC_ARG_WITH(syslog-facility,
610 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
611 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
612 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
613 AC_SUBST(LOGFACILITY)
615 # Check for gethostbyname_r in all its glorious incompatible versions.
616 # (This logic is based on that in Python's configure.in)
617 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
618 [Define this if you have any gethostbyname_r()])
620 AC_CHECK_FUNC(gethostbyname_r, [
621 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
623 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
624 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
628 struct hostent *h1, *h2;
630 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
632 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
633 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
634 [Define this if gethostbyname_r takes 6 arguments])
643 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
645 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
646 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
647 [Define this if gethostbyname_r takes 5 arguments])
655 struct hostent_data hd;
656 (void) gethostbyname_r(cp1,h1,&hd);
658 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
659 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
660 [Define this if gethostbyname_r takes 3 arguments])
670 AC_CACHE_CHECK([whether the C compiler supports __func__],
671 tor_cv_have_func_macro,
674 int main(int c, char **v) { puts(__func__); }],
675 tor_cv_have_func_macro=yes,
676 tor_cv_have_func_macro=no))
678 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
679 tor_cv_have_FUNC_macro,
682 int main(int c, char **v) { puts(__FUNC__); }],
683 tor_cv_have_FUNC_macro=yes,
684 tor_cv_have_FUNC_macro=no))
686 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
687 tor_cv_have_FUNCTION_macro,
690 int main(int c, char **v) { puts(__FUNCTION__); }],
691 tor_cv_have_FUNCTION_macro=yes,
692 tor_cv_have_FUNCTION_macro=no))
694 if test "$tor_cv_have_func_macro" = 'yes'; then
695 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
698 if test "$tor_cv_have_FUNC_macro" = 'yes'; then
699 AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
702 if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
703 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
704 [Defined if the compiler supports __FUNCTION__])
707 # $prefix stores the value of the --prefix command line option, or
708 # NONE if the option wasn't set. In the case that it wasn't set, make
709 # it be the default, so that we can use it to expand directories now.
710 if test "x$prefix" = "xNONE"; then
711 prefix=$ac_default_prefix
714 # and similarly for $exec_prefix
715 if test "x$exec_prefix" = "xNONE"; then
719 if test "x$CONFDIR" = "x"; then
720 CONFDIR=`eval echo $sysconfdir/tor`
723 AH_TEMPLATE([CONFDIR],[tor's configuration directory])
724 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
726 BINDIR=`eval echo $bindir`
728 LOCALSTATEDIR=`eval echo $localstatedir`
729 AC_SUBST(LOCALSTATEDIR)
731 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
732 # than autoconf's macros like.
733 if test "$ac_cv_c_compiler_gnu" = yes; then
734 CFLAGS="$CFLAGS -Wall -g -O2"
736 CFLAGS="$CFLAGS -g -O"
737 enable_gcc_warnings=no
740 # Add some more warnings which we use in development but not in the
741 # released versions. (Some relevant gcc versions can't handle these.)
742 if test x$enable_gcc_warnings = xyes; then
744 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
745 #if !defined(__GNUC__) || (__GNUC__ < 4)
747 #endif]), have_gcc4=yes, have_gcc4=no)
749 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
750 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
752 #endif]), have_gcc42=yes, have_gcc42=no)
754 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
755 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
757 #endif]), have_gcc43=yes, have_gcc43=no)
759 save_CFLAGS="$CFLAGS"
760 CFLAGS="$CFLAGS -Wshorten-64-to-32"
761 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes,
762 have_shorten64_flag=no)
763 CFLAGS="$save_CFLAGS"
765 CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
767 # Disabled, so we can use mallinfo(): -Waggregate-return
769 if test x$have_gcc4 = xyes ; then
770 # These warnings break gcc 3.3.5 and work on gcc 4.0.2
771 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
774 if test x$have_gcc42 = xyes ; then
775 # These warnings break gcc 4.0.2 and work on gcc 4.2
776 # XXXX020 Use -fstack-protector.
777 # XXXX020 See if any of these work with earlier versions.
778 CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1"
779 # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
782 if test x$have_gcc43 = xyes ; then
783 # These warnings break gcc 4.2 and work on gcc 4.3
784 # XXXX020 See if any of these work with earlier versions.
785 CFLAGS="$CFLAGS -Wextra -Warray-bounds"
788 if test x$have_shorten64_flag = xyes ; then
789 CFLAGS="$CFLAGS -Wshorten-64-to-32"
792 ##This will break the world on some 64-bit architectures
793 # CFLAGS="$CFLAGS -Winline"
798 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
800 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])
803 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
804 ./contrib/updateVersions.pl