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, 0.2.0.26-rc-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="$CFLAGS -D__DARWIN_UNIX03 -DIPHONE"
38 #XXXX020 We should make these enabled or not, before 0.2.0.x-final
39 AC_ARG_ENABLE(cell-pool,
40 AS_HELP_STRING(--disable-cell-pool, disable pool allocator for cells))
41 AC_ARG_ENABLE(buf-freelists,
42 AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM))
43 AC_ARG_ENABLE(openbsd-malloc,
44 AS_HELP_STRING(--enable-openbsd-malloc, Use malloc code from openbsd. Linux only))
47 if test x$enable_cell_pool != xno; then
48 AC_DEFINE(ENABLE_CELL_POOL, 1,
49 [Defined if we try to use the pool allocator for queued cells])
51 if test x$enable_buf_freelists != xno; then
52 AC_DEFINE(ENABLE_BUF_FREELISTS, 1,
53 [Defined if we try to use freelists for buffer RAM chunks])
55 AM_CONDITIONAL(USE_OPENBSD_MALLOC, test x$enable_openbsd_malloc = xyes)
57 AC_ARG_ENABLE(transparent,
58 AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
59 [case "${enableval}" in
60 yes) transparent=true ;;
61 no) transparent=false ;;
62 *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
63 esac], [transparent=true])
65 AC_ARG_ENABLE(threads,
66 AS_HELP_STRING(--disable-threads, disable multi-threading support))
68 if test x$enable_threads = x; then
71 # Don't try multithreading on solaris -- cpuworkers seem to lock.
72 AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
73 cpu workers lock up here, so I will disable threads.])
76 enable_threads="yes";;
80 if test "$enable_threads" = "yes"; then
81 AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
86 AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
90 AC_ARG_ENABLE(gcc-warnings,
91 AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
100 [ --with-tor-user=NAME Specify username for tor daemon ],
108 AC_ARG_WITH(tor-group,
109 [ --with-tor-group=NAME Specify group name for tor daemon ],
117 dnl If WIN32 is defined and non-zero, we are building for win32
118 AC_MSG_CHECKING([for win32])
120 int main(int c, char **v) {
131 bwin32=true; AC_MSG_RESULT([yes]),
132 bwin32=false; AC_MSG_RESULT([no]),
133 bwin32=cross; AC_MSG_RESULT([cross])
136 if test "$bwin32" = cross; then
137 AC_MSG_CHECKING([for win32 (cross)])
140 int main(int c, char **v) {return 0;}
143 int main(int c, char **v) {return x(y);}
146 bwin32=true; AC_MSG_RESULT([yes]),
147 bwin32=false; AC_MSG_RESULT([no]))
150 if test "$bwin32" = true; then
151 AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
153 AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
155 dnl Enable C99 when compiling with MIPSpro
156 AC_MSG_CHECKING([for MIPSpro compiler])
157 AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
158 #if (defined(__sgi) && defined(_COMPILER_VERSION))
163 bmipspro=false; AC_MSG_RESULT(no),
164 bmipspro=true; AC_MSG_RESULT(yes))
166 if test "$bmipspro" = true; then
167 CFLAGS="$CFLAGS -c99"
172 AC_SEARCH_LIBS(socket, [socket])
173 AC_SEARCH_LIBS(gethostbyname, [nsl])
174 AC_SEARCH_LIBS(dlopen, [dl])
175 AC_SEARCH_LIBS(inet_aton, [resolv])
177 if test "$enable_threads" = "yes"; then
178 AC_SEARCH_LIBS(pthread_create, [pthread])
179 AC_SEARCH_LIBS(pthread_detach, [pthread])
182 dnl -------------------------------------------------------------------
183 dnl Check for functions before libevent, since libevent-1.2 apparently
184 dnl exports strlcpy without defining it in a header.
186 AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull ftello getaddrinfo localtime_r gmtime_r memmem strtok_r inet_pton inet_ntop)
188 using_custom_malloc=no
189 if test x$enable_openbsd_malloc = xyes ; then
190 using_custom_malloc=yes
192 if test x$tcmalloc = xyes ; then
193 using_custom_malloc=yes
195 if test $using_custom_malloc = no ; then
196 AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
199 if test "$enable_threads" = "yes"; then
200 AC_CHECK_HEADERS(pthread.h)
201 AC_CHECK_FUNCS(pthread_create)
204 dnl ------------------------------------------------------
205 dnl Where do you live, libevent? And how do we call you?
207 if test "$bwin32" = true; then
208 TOR_LIB_WS32=-lws2_32
209 # Some of the cargo-cults recommend -lwsock32 as well, but I don't
210 # think it's actually necessary.
216 AC_SUBST(TOR_LIB_WS32)
217 AC_SUBST(TOR_LIB_GDI)
219 dnl We need to do this before we try our disgusting hack below.
220 AC_CHECK_HEADERS([sys/types.h])
222 dnl This is a disgusting hack so we safely include older libevent headers.
223 AC_CHECK_TYPE(u_int64_t, unsigned long long)
224 AC_CHECK_TYPE(u_int32_t, unsigned long)
225 AC_CHECK_TYPE(u_int16_t, unsigned short)
226 AC_CHECK_TYPE(u_int8_t, unsigned char)
228 tor_libevent_pkg_redhat="libevent"
229 tor_libevent_pkg_debian="libevent-dev"
230 tor_libevent_devpkg_redhat="libevent-devel"
231 tor_libevent_devpkg_debian="libevent-dev"
233 TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
235 #include <winsock2.h>
238 #include <sys/time.h>
239 #include <sys/types.h>
240 #include <event.h>], [void exit(int); void *event_init(void);],
243 {WSAData d; WSAStartup(0x101,&d); }
245 event_init(); exit(0);
246 ], [--with-libevent-dir], [/opt/libevent])
248 dnl Now check for particular libevent functions.
250 save_LDFLAGS="$LDFLAGS"
251 save_CPPFLAGS="$CPPFLAGS"
252 LIBS="-levent $TOR_LIB_WS32 $LIBS"
253 LDFLAGS="$TOR_LDFLAGS_libevent $LIBS"
254 CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
255 AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
257 LDFLAGS="$save_LDFLAGS"
258 CPPFLAGS="$save_CPPFLAGS"
260 dnl ------------------------------------------------------
261 dnl Where do you live, openssl? And how do we call you?
263 tor_openssl_pkg_redhat="openssl"
264 tor_openssl_pkg_debian="libssl"
265 tor_openssl_devpkg_redhat="openssl-devel"
266 tor_openssl_devpkg_debian="libssl-dev"
268 TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
269 [#include <openssl/rand.h>],
270 [void RAND_add(const void *buf, int num, double entropy);],
271 [RAND_add((void*)0,0,0); exit(0);], [--with-ssl-dir],
272 [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
274 dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
276 dnl ------------------------------------------------------
277 dnl Where do you live, zlib? And how do we call you?
279 tor_openssl_pkg_redhat="zlib"
280 tor_openssl_pkg_debian="zlib1g"
281 tor_openssl_devpkg_redhat="zlib-devel"
282 tor_openssl_devpkg_debian="zlib1g-dev"
284 TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
286 [const char * zlibVersion(void);],
287 [zlibVersion(); exit(0);], [--with-zlib-dir],
290 dnl Make sure to enable support for large off_t if available.
294 AC_CHECK_HEADERS(unistd.h string.h signal.h ctype.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
296 AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h)
298 dnl These headers are not essential
300 AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netintet/in.h netinet/in6.h malloc.h sys/syslimits.h malloc/malloc.h)
302 TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
303 [#ifdef HAVE_MALLOC_H
306 #ifdef HAVE_MALLOC_MALLOC_H
307 #include <malloc/malloc.h>
310 AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
311 [#ifdef HAVE_SYS_TYPES_H
312 #include <sys/types.h>
314 #ifdef HAVE_SYS_SOCKET_H
315 #include <sys/socket.h>
317 AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
318 [#ifdef HAVE_SYS_TYPES_H
319 #include <sys/types.h>
321 #ifdef HAVE_SYS_SOCKET_H
322 #include <sys/socket.h>
327 AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
328 linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
329 [#ifdef HAVE_SYS_TYPES_H
330 #include <sys/types.h>
332 #ifdef HAVE_SYS_SOCKET_H
333 #include <sys/socket.h>
336 if test x$transparent = xtrue ; then
338 if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
341 if test x$linux_netfilter_ipv4 = x1 ; then
344 if test x$transparent_ok = x1 ; then
345 AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
348 AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
351 AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
357 AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
358 [#ifdef HAVE_SYS_TYPES_H
359 #include <sys/types.h>
361 #ifdef HAVE_SYS_TIME_H
362 #include <sys/time.h>
365 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
368 AC_CHECK_SIZEOF(int8_t)
369 AC_CHECK_SIZEOF(int16_t)
370 AC_CHECK_SIZEOF(int32_t)
371 AC_CHECK_SIZEOF(int64_t)
372 AC_CHECK_SIZEOF(uint8_t)
373 AC_CHECK_SIZEOF(uint16_t)
374 AC_CHECK_SIZEOF(uint32_t)
375 AC_CHECK_SIZEOF(uint64_t)
376 AC_CHECK_SIZEOF(intptr_t)
377 AC_CHECK_SIZEOF(uintptr_t)
379 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
381 AC_CHECK_SIZEOF(char)
382 AC_CHECK_SIZEOF(short)
384 AC_CHECK_SIZEOF(long)
385 AC_CHECK_SIZEOF(long long)
386 AC_CHECK_SIZEOF(__int64)
387 AC_CHECK_SIZEOF(void *)
388 AC_CHECK_SIZEOF(time_t)
389 AC_CHECK_SIZEOF(size_t)
391 AC_CHECK_TYPES([uint, u_char, ssize_t])
393 AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, struct sockaddr_storage, sa_family_t], , ,
394 [#ifdef HAVE_SYS_TYPES_H
395 #include <sys/types.h>
397 #ifdef HAVE_NETINET_IN_H
398 #include <netinet/in.h>
400 #ifdef HAVE_NETINET_IN6_H
401 #include <netinet/in6.h>
403 #ifdef HAVE_SYS_SOCKET_H
404 #include <sys/socket.h>
407 #define WIN32_WINNT 0x400
408 #define _WIN32_WINNT 0x400
409 #define WIN32_LEAN_AND_MEAN
410 #if defined(_MSC_VER) && (_MSC_VER < 1300)
413 #include <winsock2.h>
414 #include <ws2tcpip.h>
418 AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16], , ,
419 [#ifdef HAVE_SYS_TYPES_H
420 #include <sys/types.h>
422 #ifdef HAVE_NETINET_IN_H
423 #include <netinet/in.h>
425 #ifdef HAVE_NETINET_IN6_H
426 #include <netinet/in6.h>
428 #ifdef HAVE_SYS_SOCKET_H
429 #include <sys/socket.h>
432 #define WIN32_WINNT 0x400
433 #define _WIN32_WINNT 0x400
434 #define WIN32_LEAN_AND_MEAN
435 #if defined(_MSC_VER) && (_MSC_VER < 1300)
438 #include <winsock2.h>
439 #include <ws2tcpip.h>
444 AC_CHECK_TYPES([rlim_t], , ,
445 [#ifdef HAVE_SYS_TYPES_H
446 #include <sys/types.h>
448 #ifdef HAVE_SYS_TIME_H
449 #include <sys/time.h>
451 #ifdef HAVE_SYS_RESOURCE_H
452 #include <sys/resource.h>
456 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
457 AC_RUN_IFELSE(AC_LANG_SOURCE([
458 #ifdef HAVE_SYS_TYPES_H
459 #include <sys/types.h>
461 #ifdef HAVE_SYS_TIME_H
462 #include <sys/time.h>
467 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
468 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
471 if test "$tor_cv_time_t_signed" = cross; then
472 AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
475 if test "$tor_cv_time_t_signed" != no; then
476 AC_DEFINE([TIME_T_IS_SIGNED], 1,
477 [Define to 1 iff time_t is signed])
480 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
481 #ifdef HAVE_SYS_SOCKET_H
482 #include <sys/socket.h>
486 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
488 AC_CHECK_SIZEOF(cell_t)
490 # Now make sure that NULL can be represented as zero bytes.
491 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
492 [AC_RUN_IFELSE([AC_LANG_SOURCE(
493 [[#include <stdlib.h>
499 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
500 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
501 [tor_cv_null_is_zero=yes],
502 [tor_cv_null_is_zero=no],
503 [tor_cv_null_is_zero=cross])])
505 if test "$tor_cv_null_is_zero" = cross ; then
506 # Cross-compiling; let's hope that the target isn't raving mad.
507 AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
510 if test "$tor_cv_null_is_zero" != no; then
511 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
512 [Define to 1 iff memset(0) sets pointers to NULL])
515 # And what happens when we malloc zero?
516 AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
517 [AC_RUN_IFELSE([AC_LANG_SOURCE(
518 [[#include <stdlib.h>
524 int main () { return malloc(0)?0:1; }]])],
525 [tor_cv_malloc_zero_works=yes],
526 [tor_cv_malloc_zero_works=no],
527 [tor_cv_malloc_zero_works=cross])])
529 if test "$tor_cv_malloc_zero_works" = cross; then
530 # Cross-compiling; let's hope that the target isn't raving mad.
531 AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
534 if test "$tor_cv_malloc_zero_works" = yes; then
535 AC_DEFINE([MALLOC_ZERO_WORKS], 1,
536 [Define to 1 iff malloc(0) returns a pointer])
539 # whether we seem to be in a 2s-complement world.
540 AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
541 [AC_RUN_IFELSE([AC_LANG_SOURCE(
542 [[int main () { int problem = ((-99) != (~99)+1);
543 return problem ? 1 : 0; }]])],
544 [tor_cv_twos_complement=yes],
545 [tor_cv_twos_complement=no],
546 [tor_cv_twos_complement=cross])])
548 if test "$tor_cv_twos_complement" = cross ; then
549 # Cross-compiling; let's hope that the target isn't raving mad.
550 AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
553 if test "$tor_cv_twos_complement" != no ; then
554 AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
555 [Define to 1 iff we represent negative integers with two's complement])
558 # Whether we should use the dmalloc memory allocation debugging library.
559 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
561 [ --with-dmalloc Use debug memory allocation library. ],
562 [if [[ "$withval" = "yes" ]]; then
568 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
571 if [[ $dmalloc -eq 1 ]]; then
572 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
573 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
574 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
575 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
576 AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
579 AC_ARG_WITH(tcmalloc,
580 [ --with-tcmalloc Use tcmalloc memory allocation library. ],
581 [ tcmalloc=yes ], [ tcmalloc=no ])
583 if test x$tcmalloc = xyes ; then
584 LDFLAGS="-ltcmalloc $LDFLAGS"
587 # Allow user to specify an alternate syslog facility
588 AC_ARG_WITH(syslog-facility,
589 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
590 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
591 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
592 AC_SUBST(LOGFACILITY)
594 # Check for gethostbyname_r in all its glorious incompatible versions.
595 # (This logic is based on that in Python's configure.in)
596 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
597 [Define this if you have any gethostbyname_r()])
599 AC_CHECK_FUNC(gethostbyname_r, [
600 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
602 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
603 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
607 struct hostent *h1, *h2;
609 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
611 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
612 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
613 [Define this if gethostbyname_r takes 6 arguments])
622 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
624 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
625 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
626 [Define this if gethostbyname_r takes 5 arguments])
634 struct hostent_data hd;
635 (void) gethostbyname_r(cp1,h1,&hd);
637 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
638 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
639 [Define this if gethostbyname_r takes 3 arguments])
649 AC_CACHE_CHECK([whether the C compiler supports __func__],
650 tor_cv_have_func_macro,
653 int main(int c, char **v) { puts(__func__); }],
654 tor_cv_have_func_macro=yes,
655 tor_cv_have_func_macro=no))
657 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
658 tor_cv_have_FUNC_macro,
661 int main(int c, char **v) { puts(__FUNC__); }],
662 tor_cv_have_FUNC_macro=yes,
663 tor_cv_have_FUNC_macro=no))
665 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
666 tor_cv_have_FUNCTION_macro,
669 int main(int c, char **v) { puts(__FUNCTION__); }],
670 tor_cv_have_FUNCTION_macro=yes,
671 tor_cv_have_FUNCTION_macro=no))
673 if test "$tor_cv_have_func_macro" = 'yes'; then
674 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
677 if test "$tor_cv_have_FUNC_macro" = 'yes'; then
678 AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
681 if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
682 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
683 [Defined if the compiler supports __FUNCTION__])
686 # $prefix stores the value of the --prefix command line option, or
687 # NONE if the option wasn't set. In the case that it wasn't set, make
688 # it be the default, so that we can use it to expand directories now.
689 if test "x$prefix" = "xNONE"; then
690 prefix=$ac_default_prefix
693 # and similarly for $exec_prefix
694 if test "x$exec_prefix" = "xNONE"; then
698 if test "x$CONFDIR" = "x"; then
699 CONFDIR=`eval echo $sysconfdir/tor`
702 AH_TEMPLATE([CONFDIR],[tor's configuration directory])
703 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
705 BINDIR=`eval echo $bindir`
707 LOCALSTATEDIR=`eval echo $localstatedir`
708 AC_SUBST(LOCALSTATEDIR)
710 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
711 # than autoconf's macros like.
712 if test "$ac_cv_c_compiler_gnu" = yes; then
713 CFLAGS="$CFLAGS -Wall -g -O2"
715 CFLAGS="$CFLAGS -g -O"
716 enable_gcc_warnings=no
719 # Add some more warnings which we use in development but not in the
720 # released versions. (Some relevant gcc versions can't handle these.)
721 if test x$enable_gcc_warnings = xyes; then
723 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
724 #if !defined(__GNUC__) || (__GNUC__ < 4)
726 #endif]), have_gcc4=yes, have_gcc4=no)
728 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
729 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
731 #endif]), have_gcc42=yes, have_gcc42=no)
733 save_CFLAGS="$CFLAGS"
734 CFLAGS="$CFLAGS -Wshorten-64-to-32"
735 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes,
736 have_shorten64_flag=no)
737 CFLAGS="$save_CFLAGS"
739 CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
740 # Disabled, so we can use mallinfo(): -Waggregate-return
742 if test x$have_gcc4 = xyes ; then
743 # These warnings break gcc 3.3.5 and work on gcc 4.0.2
744 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
747 if test x$have_gcc42 = xyes ; then
748 # These warnings break gcc 4.0.2 and work on gcc 4.2
749 # XXXX020 Use -fstack-protector.
750 # XXXX020 See if any of these work with earlier versions.
751 CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=5"
754 if test x$have_shorten64_flag = xyes ; then
755 CFLAGS="$CFLAGS -Wshorten-64-to-32"
758 ##This will break the world on some 64-bit architectures
759 # CFLAGS="$CFLAGS -Winline"
764 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
766 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])
769 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
770 ./contrib/updateVersions.pl