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, 0.2.1.9-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="$CFLAGS -D__DARWIN_UNIX03 -DIPHONE"
38 #XXXX020 We should make these enabled or not, before 0.2.0.x-final
39 AC_ARG_ENABLE(buf-freelists,
40 AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM))
41 AC_ARG_ENABLE(openbsd-malloc,
42 AS_HELP_STRING(--enable-openbsd-malloc, Use malloc code from openbsd. Linux only))
43 AC_ARG_ENABLE(instrument-downloads,
44 AS_HELP_STRING(--enable-instrument-downloads, Instrument downloads of directory resources etc.))
46 if test x$enable_buf_freelists != xno; then
47 AC_DEFINE(ENABLE_BUF_FREELISTS, 1,
48 [Defined if we try to use freelists for buffer RAM chunks])
50 AM_CONDITIONAL(USE_OPENBSD_MALLOC, test x$enable_openbsd_malloc = xyes)
51 if test x$enable_instrument_downloads == xyes; then
52 AC_DEFINE(INSTRUMENT_DOWNLOADS, 1,
53 [Defined if we want to keep track of how much of each kind of resource we download.])
56 AC_ARG_ENABLE(transparent,
57 AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
58 [case "${enableval}" in
59 yes) transparent=true ;;
60 no) transparent=false ;;
61 *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
62 esac], [transparent=true])
64 AC_ARG_ENABLE(threads,
65 AS_HELP_STRING(--disable-threads, disable multi-threading support))
67 if test x$enable_threads = x; then
70 # Don't try multithreading on solaris -- cpuworkers seem to lock.
71 AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
72 cpu workers lock up here, so I will disable threads.])
75 enable_threads="yes";;
79 if test "$enable_threads" = "yes"; then
80 AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
85 AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
89 AC_ARG_ENABLE(geoip-stats,
90 AS_HELP_STRING(--enable-geoip-stats, enable code for directories to collect per-country statistics))
92 if test "$enable_geoip_stats" = "yes"; then
93 AC_DEFINE(ENABLE_GEOIP_STATS, 1, [Defined if we try to collect per-country statistics])
96 AC_ARG_ENABLE(gcc-warnings,
97 AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
105 AC_ARG_WITH(tor-user,
106 [ --with-tor-user=NAME Specify username for tor daemon ],
114 AC_ARG_WITH(tor-group,
115 [ --with-tor-group=NAME Specify group name for tor daemon ],
123 dnl If WIN32 is defined and non-zero, we are building for win32
124 AC_MSG_CHECKING([for win32])
126 int main(int c, char **v) {
137 bwin32=true; AC_MSG_RESULT([yes]),
138 bwin32=false; AC_MSG_RESULT([no]),
139 bwin32=cross; AC_MSG_RESULT([cross])
142 if test "$bwin32" = cross; then
143 AC_MSG_CHECKING([for win32 (cross)])
146 int main(int c, char **v) {return 0;}
149 int main(int c, char **v) {return x(y);}
152 bwin32=true; AC_MSG_RESULT([yes]),
153 bwin32=false; AC_MSG_RESULT([no]))
156 if test "$bwin32" = true; then
157 AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
159 AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
161 dnl Enable C99 when compiling with MIPSpro
162 AC_MSG_CHECKING([for MIPSpro compiler])
163 AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
164 #if (defined(__sgi) && defined(_COMPILER_VERSION))
169 bmipspro=false; AC_MSG_RESULT(no),
170 bmipspro=true; AC_MSG_RESULT(yes))
172 if test "$bmipspro" = true; then
173 CFLAGS="$CFLAGS -c99"
178 AC_SEARCH_LIBS(socket, [socket])
179 AC_SEARCH_LIBS(gethostbyname, [nsl])
180 AC_SEARCH_LIBS(dlopen, [dl])
181 AC_SEARCH_LIBS(inet_aton, [resolv])
183 if test "$enable_threads" = "yes"; then
184 AC_SEARCH_LIBS(pthread_create, [pthread])
185 AC_SEARCH_LIBS(pthread_detach, [pthread])
188 dnl -------------------------------------------------------------------
189 dnl Check for functions before libevent, since libevent-1.2 apparently
190 dnl exports strlcpy without defining it in a header.
192 AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull getaddrinfo localtime_r gmtime_r memmem strtok_r writev readv flock)
194 using_custom_malloc=no
195 if test x$enable_openbsd_malloc = xyes ; then
196 AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
197 using_custom_malloc=yes
199 if test x$tcmalloc = xyes ; then
200 using_custom_malloc=yes
202 if test $using_custom_malloc = no ; then
203 AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
206 if test "$enable_threads" = "yes"; then
207 AC_CHECK_HEADERS(pthread.h)
208 AC_CHECK_FUNCS(pthread_create)
211 dnl ------------------------------------------------------
212 dnl Where do you live, libevent? And how do we call you?
214 if test "$bwin32" = true; then
215 TOR_LIB_WS32=-lws2_32
216 # Some of the cargo-cults recommend -lwsock32 as well, but I don't
217 # think it's actually necessary.
223 AC_SUBST(TOR_LIB_WS32)
224 AC_SUBST(TOR_LIB_GDI)
226 dnl We need to do this before we try our disgusting hack below.
227 AC_CHECK_HEADERS([sys/types.h])
229 dnl This is a disgusting hack so we safely include older libevent headers.
230 AC_CHECK_TYPE(u_int64_t, unsigned long long)
231 AC_CHECK_TYPE(u_int32_t, unsigned long)
232 AC_CHECK_TYPE(u_int16_t, unsigned short)
233 AC_CHECK_TYPE(u_int8_t, unsigned char)
235 tor_libevent_pkg_redhat="libevent"
236 tor_libevent_pkg_debian="libevent-dev"
237 tor_libevent_devpkg_redhat="libevent-devel"
238 tor_libevent_devpkg_debian="libevent-dev"
240 TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
242 #include <winsock2.h>
245 #include <sys/time.h>
246 #include <sys/types.h>
247 #include <event.h>], [
249 #include <winsock2.h>
251 void exit(int); void *event_init(void);],
254 {WSADATA d; WSAStartup(0x101,&d); }
256 event_init(); exit(0);
257 ], [--with-libevent-dir], [/opt/libevent])
259 dnl Now check for particular libevent functions.
261 save_LDFLAGS="$LDFLAGS"
262 save_CPPFLAGS="$CPPFLAGS"
263 LIBS="-levent $TOR_LIB_WS32 $LIBS"
264 LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
265 CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
266 AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
268 LDFLAGS="$save_LDFLAGS"
269 CPPFLAGS="$save_CPPFLAGS"
271 dnl ------------------------------------------------------
272 dnl Where do you live, openssl? And how do we call you?
274 tor_openssl_pkg_redhat="openssl"
275 tor_openssl_pkg_debian="libssl"
276 tor_openssl_devpkg_redhat="openssl-devel"
277 tor_openssl_devpkg_debian="libssl-dev"
279 ALT_openssl_WITHVAL=""
281 [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
283 if test "x$withval" != xno && test "x$withval" != "x" ; then
284 ALT_openssl_WITHVAL="$withval"
288 TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
289 [#include <openssl/rand.h>],
290 [void RAND_add(const void *buf, int num, double entropy);],
291 [RAND_add((void*)0,0,0); exit(0);], [],
292 [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
294 dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
296 dnl ------------------------------------------------------
297 dnl Where do you live, zlib? And how do we call you?
299 tor_openssl_pkg_redhat="zlib"
300 tor_openssl_pkg_debian="zlib1g"
301 tor_openssl_devpkg_redhat="zlib-devel"
302 tor_openssl_devpkg_debian="zlib1g-dev"
304 TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
306 [const char * zlibVersion(void);],
307 [zlibVersion(); exit(0);], [--with-zlib-dir],
310 dnl Make sure to enable support for large off_t if available.
314 AC_CHECK_HEADERS(unistd.h string.h signal.h ctype.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
316 AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h sys/uio.h)
318 dnl These headers are not essential
320 AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netinet/in6.h malloc.h sys/syslimits.h malloc/malloc.h linux/types.h sys/file.h malloc_np.h)
322 TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
323 [#ifdef HAVE_MALLOC_H
326 #ifdef HAVE_MALLOC_MALLOC_H
327 #include <malloc/malloc.h>
330 AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
331 [#ifdef HAVE_SYS_TYPES_H
332 #include <sys/types.h>
334 #ifdef HAVE_SYS_SOCKET_H
335 #include <sys/socket.h>
337 AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
338 [#ifdef HAVE_SYS_TYPES_H
339 #include <sys/types.h>
341 #ifdef HAVE_SYS_SOCKET_H
342 #include <sys/socket.h>
347 AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
348 linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
349 [#ifdef HAVE_SYS_TYPES_H
350 #include <sys/types.h>
352 #ifdef HAVE_SYS_SOCKET_H
353 #include <sys/socket.h>
358 #ifdef HAVE_LINUX_TYPES_H
359 #include <linux/types.h>
361 #ifdef HAVE_NETINET_IN6_H
362 #include <netinet/in6.h>
364 #ifdef HAVE_NETINET_IN_H
365 #include <netinet/in.h>
368 if test x$transparent = xtrue ; then
370 if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
373 if test x$linux_netfilter_ipv4 = x1 ; then
376 if test x$transparent_ok = x1 ; then
377 AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
380 AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
383 AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
387 AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
388 [#ifdef HAVE_SYS_TYPES_H
389 #include <sys/types.h>
391 #ifdef HAVE_SYS_TIME_H
392 #include <sys/time.h>
395 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
398 AC_CHECK_SIZEOF(int8_t)
399 AC_CHECK_SIZEOF(int16_t)
400 AC_CHECK_SIZEOF(int32_t)
401 AC_CHECK_SIZEOF(int64_t)
402 AC_CHECK_SIZEOF(uint8_t)
403 AC_CHECK_SIZEOF(uint16_t)
404 AC_CHECK_SIZEOF(uint32_t)
405 AC_CHECK_SIZEOF(uint64_t)
406 AC_CHECK_SIZEOF(intptr_t)
407 AC_CHECK_SIZEOF(uintptr_t)
409 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
411 AC_CHECK_SIZEOF(char)
412 AC_CHECK_SIZEOF(short)
414 AC_CHECK_SIZEOF(long)
415 AC_CHECK_SIZEOF(long long)
416 AC_CHECK_SIZEOF(__int64)
417 AC_CHECK_SIZEOF(void *)
418 AC_CHECK_SIZEOF(time_t)
419 AC_CHECK_SIZEOF(size_t)
421 AC_CHECK_TYPES([uint, u_char, ssize_t])
423 dnl used to include sockaddr_storage, but everybody has that.
424 AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
425 [#ifdef HAVE_SYS_TYPES_H
426 #include <sys/types.h>
428 #ifdef HAVE_NETINET_IN_H
429 #include <netinet/in.h>
431 #ifdef HAVE_NETINET_IN6_H
432 #include <netinet/in6.h>
434 #ifdef HAVE_SYS_SOCKET_H
435 #include <sys/socket.h>
438 #define WIN32_WINNT 0x400
439 #define _WIN32_WINNT 0x400
440 #define WIN32_LEAN_AND_MEAN
441 #if defined(_MSC_VER) && (_MSC_VER < 1300)
444 #include <winsock2.h>
445 #include <ws2tcpip.h>
449 AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16], , ,
450 [#ifdef HAVE_SYS_TYPES_H
451 #include <sys/types.h>
453 #ifdef HAVE_NETINET_IN_H
454 #include <netinet/in.h>
456 #ifdef HAVE_NETINET_IN6_H
457 #include <netinet/in6.h>
459 #ifdef HAVE_SYS_SOCKET_H
460 #include <sys/socket.h>
463 #define WIN32_WINNT 0x400
464 #define _WIN32_WINNT 0x400
465 #define WIN32_LEAN_AND_MEAN
466 #if defined(_MSC_VER) && (_MSC_VER < 1300)
469 #include <winsock2.h>
470 #include <ws2tcpip.h>
475 AC_CHECK_TYPES([rlim_t], , ,
476 [#ifdef HAVE_SYS_TYPES_H
477 #include <sys/types.h>
479 #ifdef HAVE_SYS_TIME_H
480 #include <sys/time.h>
482 #ifdef HAVE_SYS_RESOURCE_H
483 #include <sys/resource.h>
487 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
488 AC_RUN_IFELSE(AC_LANG_SOURCE([
489 #ifdef HAVE_SYS_TYPES_H
490 #include <sys/types.h>
492 #ifdef HAVE_SYS_TIME_H
493 #include <sys/time.h>
498 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
499 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
502 if test "$tor_cv_time_t_signed" = cross; then
503 AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
506 if test "$tor_cv_time_t_signed" != no; then
507 AC_DEFINE([TIME_T_IS_SIGNED], 1,
508 [Define to 1 iff time_t is signed])
511 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
512 #ifdef HAVE_SYS_SOCKET_H
513 #include <sys/socket.h>
517 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
519 AC_CHECK_SIZEOF(cell_t)
521 # Now make sure that NULL can be represented as zero bytes.
522 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
523 [AC_RUN_IFELSE([AC_LANG_SOURCE(
524 [[#include <stdlib.h>
530 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
531 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
532 [tor_cv_null_is_zero=yes],
533 [tor_cv_null_is_zero=no],
534 [tor_cv_null_is_zero=cross])])
536 if test "$tor_cv_null_is_zero" = cross ; then
537 # Cross-compiling; let's hope that the target isn't raving mad.
538 AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
541 if test "$tor_cv_null_is_zero" != no; then
542 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
543 [Define to 1 iff memset(0) sets pointers to NULL])
546 # And what happens when we malloc zero?
547 AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
548 [AC_RUN_IFELSE([AC_LANG_SOURCE(
549 [[#include <stdlib.h>
555 int main () { return malloc(0)?0:1; }]])],
556 [tor_cv_malloc_zero_works=yes],
557 [tor_cv_malloc_zero_works=no],
558 [tor_cv_malloc_zero_works=cross])])
560 if test "$tor_cv_malloc_zero_works" = cross; then
561 # Cross-compiling; let's hope that the target isn't raving mad.
562 AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
565 if test "$tor_cv_malloc_zero_works" = yes; then
566 AC_DEFINE([MALLOC_ZERO_WORKS], 1,
567 [Define to 1 iff malloc(0) returns a pointer])
570 # whether we seem to be in a 2s-complement world.
571 AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
572 [AC_RUN_IFELSE([AC_LANG_SOURCE(
573 [[int main () { int problem = ((-99) != (~99)+1);
574 return problem ? 1 : 0; }]])],
575 [tor_cv_twos_complement=yes],
576 [tor_cv_twos_complement=no],
577 [tor_cv_twos_complement=cross])])
579 if test "$tor_cv_twos_complement" = cross ; then
580 # Cross-compiling; let's hope that the target isn't raving mad.
581 AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
584 if test "$tor_cv_twos_complement" != no ; then
585 AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
586 [Define to 1 iff we represent negative integers with two's complement])
589 # Whether we should use the dmalloc memory allocation debugging library.
590 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
592 [ --with-dmalloc Use debug memory allocation library. ],
593 [if [[ "$withval" = "yes" ]]; then
599 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
602 if [[ $dmalloc -eq 1 ]]; then
603 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
604 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
605 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
606 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
607 AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
610 AC_ARG_WITH(tcmalloc,
611 [ --with-tcmalloc Use tcmalloc memory allocation library. ],
612 [ tcmalloc=yes ], [ tcmalloc=no ])
614 if test x$tcmalloc = xyes ; then
615 LDFLAGS="-ltcmalloc $LDFLAGS"
618 # Allow user to specify an alternate syslog facility
619 AC_ARG_WITH(syslog-facility,
620 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
621 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
622 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
623 AC_SUBST(LOGFACILITY)
625 # Check if we have getresuid and getresgid
626 AC_CHECK_FUNCS(getresuid getresgid)
628 # Check for gethostbyname_r in all its glorious incompatible versions.
629 # (This logic is based on that in Python's configure.in)
630 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
631 [Define this if you have any gethostbyname_r()])
633 AC_CHECK_FUNC(gethostbyname_r, [
634 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
636 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
637 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
641 struct hostent *h1, *h2;
643 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
645 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
646 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
647 [Define this if gethostbyname_r takes 6 arguments])
656 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
658 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
659 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
660 [Define this if gethostbyname_r takes 5 arguments])
668 struct hostent_data hd;
669 (void) gethostbyname_r(cp1,h1,&hd);
671 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
672 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
673 [Define this if gethostbyname_r takes 3 arguments])
683 AC_CACHE_CHECK([whether the C compiler supports __func__],
684 tor_cv_have_func_macro,
687 int main(int c, char **v) { puts(__func__); }],
688 tor_cv_have_func_macro=yes,
689 tor_cv_have_func_macro=no))
691 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
692 tor_cv_have_FUNC_macro,
695 int main(int c, char **v) { puts(__FUNC__); }],
696 tor_cv_have_FUNC_macro=yes,
697 tor_cv_have_FUNC_macro=no))
699 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
700 tor_cv_have_FUNCTION_macro,
703 int main(int c, char **v) { puts(__FUNCTION__); }],
704 tor_cv_have_FUNCTION_macro=yes,
705 tor_cv_have_FUNCTION_macro=no))
707 if test "$tor_cv_have_func_macro" = 'yes'; then
708 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
711 if test "$tor_cv_have_FUNC_macro" = 'yes'; then
712 AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
715 if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
716 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
717 [Defined if the compiler supports __FUNCTION__])
720 # $prefix stores the value of the --prefix command line option, or
721 # NONE if the option wasn't set. In the case that it wasn't set, make
722 # it be the default, so that we can use it to expand directories now.
723 if test "x$prefix" = "xNONE"; then
724 prefix=$ac_default_prefix
727 # and similarly for $exec_prefix
728 if test "x$exec_prefix" = "xNONE"; then
732 if test "x$CONFDIR" = "x"; then
733 CONFDIR=`eval echo $sysconfdir/tor`
736 AH_TEMPLATE([CONFDIR],[tor's configuration directory])
737 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
739 BINDIR=`eval echo $bindir`
741 LOCALSTATEDIR=`eval echo $localstatedir`
742 AC_SUBST(LOCALSTATEDIR)
744 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
745 # than autoconf's macros like.
746 if test "$ac_cv_c_compiler_gnu" = yes; then
747 CFLAGS="$CFLAGS -Wall -g -O2"
749 CFLAGS="$CFLAGS -g -O"
750 enable_gcc_warnings=no
753 # Add some more warnings which we use in development but not in the
754 # released versions. (Some relevant gcc versions can't handle these.)
755 if test x$enable_gcc_warnings = xyes; then
757 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
758 #if !defined(__GNUC__) || (__GNUC__ < 4)
760 #endif]), have_gcc4=yes, have_gcc4=no)
762 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
763 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
765 #endif]), have_gcc42=yes, have_gcc42=no)
767 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
768 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
770 #endif]), have_gcc43=yes, have_gcc43=no)
772 save_CFLAGS="$CFLAGS"
773 CFLAGS="$CFLAGS -Wshorten-64-to-32"
774 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes,
775 have_shorten64_flag=no)
776 CFLAGS="$save_CFLAGS"
778 CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
780 # Disabled, so we can use mallinfo(): -Waggregate-return
782 if test x$have_gcc4 = xyes ; then
783 # These warnings break gcc 3.3.5 and work on gcc 4.0.2
784 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
787 if test x$have_gcc42 = xyes ; then
788 # These warnings break gcc 4.0.2 and work on gcc 4.2
789 # XXXX020 Use -fstack-protector.
790 # XXXX020 See if any of these work with earlier versions.
791 CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1"
792 # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
795 if test x$have_gcc43 = xyes ; then
796 # These warnings break gcc 4.2 and work on gcc 4.3
797 # XXXX020 See if any of these work with earlier versions.
798 CFLAGS="$CFLAGS -Wextra -Warray-bounds"
801 if test x$have_shorten64_flag = xyes ; then
802 CFLAGS="$CFLAGS -Wshorten-64-to-32"
805 ##This will break the world on some 64-bit architectures
806 # CFLAGS="$CFLAGS -Winline"
811 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
813 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 contrib/tor.wxs])
816 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
817 ./contrib/updateVersions.pl