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, 0.2.1.0-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="$CFLAGS -D__DARWIN_UNIX03 -DIPHONE"
38 #XXXX020 We should make these enabled or not, before 0.2.0.x-final
39 AC_ARG_ENABLE(cell-pool,
40 AS_HELP_STRING(--disable-cell-pool, disable pool allocator for cells))
41 AC_ARG_ENABLE(buf-freelists,
42 AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM))
43 AC_ARG_ENABLE(openbsd-malloc,
44 AS_HELP_STRING(--enable-openbsd-malloc, Use malloc code from openbsd. Linux only))
47 if test x$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 AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
191 using_custom_malloc=yes
193 if test x$tcmalloc = xyes ; then
194 using_custom_malloc=yes
196 if test $using_custom_malloc = no ; then
197 AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
200 if test "$enable_threads" = "yes"; then
201 AC_CHECK_HEADERS(pthread.h)
202 AC_CHECK_FUNCS(pthread_create)
205 dnl ------------------------------------------------------
206 dnl Where do you live, libevent? And how do we call you?
208 if test "$bwin32" = true; then
209 TOR_LIB_WS32=-lws2_32
210 # Some of the cargo-cults recommend -lwsock32 as well, but I don't
211 # think it's actually necessary.
217 AC_SUBST(TOR_LIB_WS32)
218 AC_SUBST(TOR_LIB_GDI)
220 dnl We need to do this before we try our disgusting hack below.
221 AC_CHECK_HEADERS([sys/types.h])
223 dnl This is a disgusting hack so we safely include older libevent headers.
224 AC_CHECK_TYPE(u_int64_t, unsigned long long)
225 AC_CHECK_TYPE(u_int32_t, unsigned long)
226 AC_CHECK_TYPE(u_int16_t, unsigned short)
227 AC_CHECK_TYPE(u_int8_t, unsigned char)
229 tor_libevent_pkg_redhat="libevent"
230 tor_libevent_pkg_debian="libevent-dev"
231 tor_libevent_devpkg_redhat="libevent-devel"
232 tor_libevent_devpkg_debian="libevent-dev"
234 TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
236 #include <winsock2.h>
239 #include <sys/time.h>
240 #include <sys/types.h>
241 #include <event.h>], [
243 #include <winsock2.h>
245 void exit(int); void *event_init(void);],
248 {WSADATA d; WSAStartup(0x101,&d); }
250 event_init(); exit(0);
251 ], [--with-libevent-dir], [/opt/libevent])
253 dnl Now check for particular libevent functions.
255 save_LDFLAGS="$LDFLAGS"
256 save_CPPFLAGS="$CPPFLAGS"
257 LIBS="-levent $TOR_LIB_WS32 $LIBS"
258 LDFLAGS="$TOR_LDFLAGS_libevent $LIBS"
259 CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
260 AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
262 LDFLAGS="$save_LDFLAGS"
263 CPPFLAGS="$save_CPPFLAGS"
265 dnl ------------------------------------------------------
266 dnl Where do you live, openssl? And how do we call you?
268 tor_openssl_pkg_redhat="openssl"
269 tor_openssl_pkg_debian="libssl"
270 tor_openssl_devpkg_redhat="openssl-devel"
271 tor_openssl_devpkg_debian="libssl-dev"
273 TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
274 [#include <openssl/rand.h>],
275 [void RAND_add(const void *buf, int num, double entropy);],
276 [RAND_add((void*)0,0,0); exit(0);], [--with-ssl-dir],
277 [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
279 dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
281 dnl ------------------------------------------------------
282 dnl Where do you live, zlib? And how do we call you?
284 tor_openssl_pkg_redhat="zlib"
285 tor_openssl_pkg_debian="zlib1g"
286 tor_openssl_devpkg_redhat="zlib-devel"
287 tor_openssl_devpkg_debian="zlib1g-dev"
289 TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
291 [const char * zlibVersion(void);],
292 [zlibVersion(); exit(0);], [--with-zlib-dir],
295 dnl Make sure to enable support for large off_t if available.
299 AC_CHECK_HEADERS(unistd.h string.h signal.h ctype.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
301 AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h)
303 dnl These headers are not essential
305 AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netintet/in.h netinet/in6.h malloc.h sys/syslimits.h malloc/malloc.h)
307 TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
308 [#ifdef HAVE_MALLOC_H
311 #ifdef HAVE_MALLOC_MALLOC_H
312 #include <malloc/malloc.h>
315 AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
316 [#ifdef HAVE_SYS_TYPES_H
317 #include <sys/types.h>
319 #ifdef HAVE_SYS_SOCKET_H
320 #include <sys/socket.h>
322 AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
323 [#ifdef HAVE_SYS_TYPES_H
324 #include <sys/types.h>
326 #ifdef HAVE_SYS_SOCKET_H
327 #include <sys/socket.h>
332 AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
333 linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
334 [#ifdef HAVE_SYS_TYPES_H
335 #include <sys/types.h>
337 #ifdef HAVE_SYS_SOCKET_H
338 #include <sys/socket.h>
341 if test x$transparent = xtrue ; then
343 if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
346 if test x$linux_netfilter_ipv4 = x1 ; then
349 if test x$transparent_ok = x1 ; then
350 AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
353 AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
356 AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
362 AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
363 [#ifdef HAVE_SYS_TYPES_H
364 #include <sys/types.h>
366 #ifdef HAVE_SYS_TIME_H
367 #include <sys/time.h>
370 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
373 AC_CHECK_SIZEOF(int8_t)
374 AC_CHECK_SIZEOF(int16_t)
375 AC_CHECK_SIZEOF(int32_t)
376 AC_CHECK_SIZEOF(int64_t)
377 AC_CHECK_SIZEOF(uint8_t)
378 AC_CHECK_SIZEOF(uint16_t)
379 AC_CHECK_SIZEOF(uint32_t)
380 AC_CHECK_SIZEOF(uint64_t)
381 AC_CHECK_SIZEOF(intptr_t)
382 AC_CHECK_SIZEOF(uintptr_t)
384 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
386 AC_CHECK_SIZEOF(char)
387 AC_CHECK_SIZEOF(short)
389 AC_CHECK_SIZEOF(long)
390 AC_CHECK_SIZEOF(long long)
391 AC_CHECK_SIZEOF(__int64)
392 AC_CHECK_SIZEOF(void *)
393 AC_CHECK_SIZEOF(time_t)
394 AC_CHECK_SIZEOF(size_t)
396 AC_CHECK_TYPES([uint, u_char, ssize_t])
398 AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, struct sockaddr_storage, sa_family_t], , ,
399 [#ifdef HAVE_SYS_TYPES_H
400 #include <sys/types.h>
402 #ifdef HAVE_NETINET_IN_H
403 #include <netinet/in.h>
405 #ifdef HAVE_NETINET_IN6_H
406 #include <netinet/in6.h>
408 #ifdef HAVE_SYS_SOCKET_H
409 #include <sys/socket.h>
412 #define WIN32_WINNT 0x400
413 #define _WIN32_WINNT 0x400
414 #define WIN32_LEAN_AND_MEAN
415 #if defined(_MSC_VER) && (_MSC_VER < 1300)
418 #include <winsock2.h>
419 #include <ws2tcpip.h>
423 AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16], , ,
424 [#ifdef HAVE_SYS_TYPES_H
425 #include <sys/types.h>
427 #ifdef HAVE_NETINET_IN_H
428 #include <netinet/in.h>
430 #ifdef HAVE_NETINET_IN6_H
431 #include <netinet/in6.h>
433 #ifdef HAVE_SYS_SOCKET_H
434 #include <sys/socket.h>
437 #define WIN32_WINNT 0x400
438 #define _WIN32_WINNT 0x400
439 #define WIN32_LEAN_AND_MEAN
440 #if defined(_MSC_VER) && (_MSC_VER < 1300)
443 #include <winsock2.h>
444 #include <ws2tcpip.h>
449 AC_CHECK_TYPES([rlim_t], , ,
450 [#ifdef HAVE_SYS_TYPES_H
451 #include <sys/types.h>
453 #ifdef HAVE_SYS_TIME_H
454 #include <sys/time.h>
456 #ifdef HAVE_SYS_RESOURCE_H
457 #include <sys/resource.h>
461 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
462 AC_RUN_IFELSE(AC_LANG_SOURCE([
463 #ifdef HAVE_SYS_TYPES_H
464 #include <sys/types.h>
466 #ifdef HAVE_SYS_TIME_H
467 #include <sys/time.h>
472 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
473 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
476 if test "$tor_cv_time_t_signed" = cross; then
477 AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
480 if test "$tor_cv_time_t_signed" != no; then
481 AC_DEFINE([TIME_T_IS_SIGNED], 1,
482 [Define to 1 iff time_t is signed])
485 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
486 #ifdef HAVE_SYS_SOCKET_H
487 #include <sys/socket.h>
491 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
493 AC_CHECK_SIZEOF(cell_t)
495 # Now make sure that NULL can be represented as zero bytes.
496 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
497 [AC_RUN_IFELSE([AC_LANG_SOURCE(
498 [[#include <stdlib.h>
504 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
505 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
506 [tor_cv_null_is_zero=yes],
507 [tor_cv_null_is_zero=no],
508 [tor_cv_null_is_zero=cross])])
510 if test "$tor_cv_null_is_zero" = cross ; then
511 # Cross-compiling; let's hope that the target isn't raving mad.
512 AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
515 if test "$tor_cv_null_is_zero" != no; then
516 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
517 [Define to 1 iff memset(0) sets pointers to NULL])
520 # And what happens when we malloc zero?
521 AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
522 [AC_RUN_IFELSE([AC_LANG_SOURCE(
523 [[#include <stdlib.h>
529 int main () { return malloc(0)?0:1; }]])],
530 [tor_cv_malloc_zero_works=yes],
531 [tor_cv_malloc_zero_works=no],
532 [tor_cv_malloc_zero_works=cross])])
534 if test "$tor_cv_malloc_zero_works" = cross; then
535 # Cross-compiling; let's hope that the target isn't raving mad.
536 AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
539 if test "$tor_cv_malloc_zero_works" = yes; then
540 AC_DEFINE([MALLOC_ZERO_WORKS], 1,
541 [Define to 1 iff malloc(0) returns a pointer])
544 # whether we seem to be in a 2s-complement world.
545 AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
546 [AC_RUN_IFELSE([AC_LANG_SOURCE(
547 [[int main () { int problem = ((-99) != (~99)+1);
548 return problem ? 1 : 0; }]])],
549 [tor_cv_twos_complement=yes],
550 [tor_cv_twos_complement=no],
551 [tor_cv_twos_complement=cross])])
553 if test "$tor_cv_twos_complement" = cross ; then
554 # Cross-compiling; let's hope that the target isn't raving mad.
555 AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
558 if test "$tor_cv_twos_complement" != no ; then
559 AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
560 [Define to 1 iff we represent negative integers with two's complement])
563 # Whether we should use the dmalloc memory allocation debugging library.
564 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
566 [ --with-dmalloc Use debug memory allocation library. ],
567 [if [[ "$withval" = "yes" ]]; then
573 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
576 if [[ $dmalloc -eq 1 ]]; then
577 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
578 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
579 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
580 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
581 AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
584 AC_ARG_WITH(tcmalloc,
585 [ --with-tcmalloc Use tcmalloc memory allocation library. ],
586 [ tcmalloc=yes ], [ tcmalloc=no ])
588 if test x$tcmalloc = xyes ; then
589 LDFLAGS="-ltcmalloc $LDFLAGS"
592 # Allow user to specify an alternate syslog facility
593 AC_ARG_WITH(syslog-facility,
594 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
595 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
596 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
597 AC_SUBST(LOGFACILITY)
599 # Check for gethostbyname_r in all its glorious incompatible versions.
600 # (This logic is based on that in Python's configure.in)
601 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
602 [Define this if you have any gethostbyname_r()])
604 AC_CHECK_FUNC(gethostbyname_r, [
605 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
607 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
608 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
612 struct hostent *h1, *h2;
614 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
616 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
617 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
618 [Define this if gethostbyname_r takes 6 arguments])
627 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
629 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
630 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
631 [Define this if gethostbyname_r takes 5 arguments])
639 struct hostent_data hd;
640 (void) gethostbyname_r(cp1,h1,&hd);
642 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
643 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
644 [Define this if gethostbyname_r takes 3 arguments])
654 AC_CACHE_CHECK([whether the C compiler supports __func__],
655 tor_cv_have_func_macro,
658 int main(int c, char **v) { puts(__func__); }],
659 tor_cv_have_func_macro=yes,
660 tor_cv_have_func_macro=no))
662 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
663 tor_cv_have_FUNC_macro,
666 int main(int c, char **v) { puts(__FUNC__); }],
667 tor_cv_have_FUNC_macro=yes,
668 tor_cv_have_FUNC_macro=no))
670 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
671 tor_cv_have_FUNCTION_macro,
674 int main(int c, char **v) { puts(__FUNCTION__); }],
675 tor_cv_have_FUNCTION_macro=yes,
676 tor_cv_have_FUNCTION_macro=no))
678 if test "$tor_cv_have_func_macro" = 'yes'; then
679 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
682 if test "$tor_cv_have_FUNC_macro" = 'yes'; then
683 AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
686 if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
687 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
688 [Defined if the compiler supports __FUNCTION__])
691 # $prefix stores the value of the --prefix command line option, or
692 # NONE if the option wasn't set. In the case that it wasn't set, make
693 # it be the default, so that we can use it to expand directories now.
694 if test "x$prefix" = "xNONE"; then
695 prefix=$ac_default_prefix
698 # and similarly for $exec_prefix
699 if test "x$exec_prefix" = "xNONE"; then
703 if test "x$CONFDIR" = "x"; then
704 CONFDIR=`eval echo $sysconfdir/tor`
707 AH_TEMPLATE([CONFDIR],[tor's configuration directory])
708 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
710 BINDIR=`eval echo $bindir`
712 LOCALSTATEDIR=`eval echo $localstatedir`
713 AC_SUBST(LOCALSTATEDIR)
715 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
716 # than autoconf's macros like.
717 if test "$ac_cv_c_compiler_gnu" = yes; then
718 CFLAGS="$CFLAGS -Wall -g -O2"
720 CFLAGS="$CFLAGS -g -O"
721 enable_gcc_warnings=no
724 # Add some more warnings which we use in development but not in the
725 # released versions. (Some relevant gcc versions can't handle these.)
726 if test x$enable_gcc_warnings = xyes; then
728 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
729 #if !defined(__GNUC__) || (__GNUC__ < 4)
731 #endif]), have_gcc4=yes, have_gcc4=no)
733 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
734 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
736 #endif]), have_gcc42=yes, have_gcc42=no)
738 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
739 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
741 #endif]), have_gcc43=yes, have_gcc43=no)
743 save_CFLAGS="$CFLAGS"
744 CFLAGS="$CFLAGS -Wshorten-64-to-32"
745 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes,
746 have_shorten64_flag=no)
747 CFLAGS="$save_CFLAGS"
749 CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
751 # Disabled, so we can use mallinfo(): -Waggregate-return
753 if test x$have_gcc4 = xyes ; then
754 # These warnings break gcc 3.3.5 and work on gcc 4.0.2
755 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
758 if test x$have_gcc42 = xyes ; then
759 # These warnings break gcc 4.0.2 and work on gcc 4.2
760 # XXXX020 Use -fstack-protector.
761 # XXXX020 See if any of these work with earlier versions.
762 CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1"
763 # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
766 if test x$have_gcc43 = xyes ; then
767 # These warnings break gcc 4.2 and work on gcc 4.3
768 # XXXX020 See if any of these work with earlier versions.
769 CFLAGS="$CFLAGS -Wextra -Warray-bounds"
772 if test x$have_shorten64_flag = xyes ; then
773 CFLAGS="$CFLAGS -Wshorten-64-to-32"
776 ##This will break the world on some 64-bit architectures
777 # CFLAGS="$CFLAGS -Winline"
782 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
784 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])
787 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
788 ./contrib/updateVersions.pl