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, 0.2.2.0-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\${top_srcdir}/src/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))
99 AC_ARG_ENABLE(local-appdata,
100 AS_HELP_STRING(--enable-local-appdata, default to host local application data paths on Windows))
101 if test "$enable_local_appdata" = "yes"; then
102 AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
103 [Defined if we default to host local appdata paths on Windows])
112 AC_PATH_PROG([SHA1SUM], [sha1sum], none)
113 AC_PATH_PROG([OPENSSL], [openssl], none)
116 AC_ARG_WITH(tor-user,
117 [ --with-tor-user=NAME Specify username for tor daemon ],
125 AC_ARG_WITH(tor-group,
126 [ --with-tor-group=NAME Specify group name for tor daemon ],
134 dnl If WIN32 is defined and non-zero, we are building for win32
135 AC_MSG_CHECKING([for win32])
137 int main(int c, char **v) {
148 bwin32=true; AC_MSG_RESULT([yes]),
149 bwin32=false; AC_MSG_RESULT([no]),
150 bwin32=cross; AC_MSG_RESULT([cross])
153 if test "$bwin32" = cross; then
154 AC_MSG_CHECKING([for win32 (cross)])
157 int main(int c, char **v) {return 0;}
160 int main(int c, char **v) {return x(y);}
163 bwin32=true; AC_MSG_RESULT([yes]),
164 bwin32=false; AC_MSG_RESULT([no]))
167 if test "$bwin32" = true; then
168 AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
170 AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
172 dnl Enable C99 when compiling with MIPSpro
173 AC_MSG_CHECKING([for MIPSpro compiler])
174 AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
175 #if (defined(__sgi) && defined(_COMPILER_VERSION))
180 bmipspro=false; AC_MSG_RESULT(no),
181 bmipspro=true; AC_MSG_RESULT(yes))
183 if test "$bmipspro" = true; then
184 CFLAGS="$CFLAGS -c99"
189 AC_SEARCH_LIBS(socket, [socket])
190 AC_SEARCH_LIBS(gethostbyname, [nsl])
191 AC_SEARCH_LIBS(dlopen, [dl])
192 AC_SEARCH_LIBS(inet_aton, [resolv])
194 if test "$enable_threads" = "yes"; then
195 AC_SEARCH_LIBS(pthread_create, [pthread])
196 AC_SEARCH_LIBS(pthread_detach, [pthread])
199 dnl -------------------------------------------------------------------
200 dnl Check for functions before libevent, since libevent-1.2 apparently
201 dnl exports strlcpy without defining it in a header.
203 AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull getaddrinfo localtime_r gmtime_r memmem strtok_r writev readv flock prctl)
205 using_custom_malloc=no
206 if test x$enable_openbsd_malloc = xyes ; then
207 AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
208 using_custom_malloc=yes
210 if test x$tcmalloc = xyes ; then
211 using_custom_malloc=yes
213 if test $using_custom_malloc = no ; then
214 AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
217 if test "$enable_threads" = "yes"; then
218 AC_CHECK_HEADERS(pthread.h)
219 AC_CHECK_FUNCS(pthread_create)
222 dnl ------------------------------------------------------
223 dnl Where do you live, libevent? And how do we call you?
225 if test "$bwin32" = true; then
226 TOR_LIB_WS32=-lws2_32
227 # Some of the cargo-cults recommend -lwsock32 as well, but I don't
228 # think it's actually necessary.
234 AC_SUBST(TOR_LIB_WS32)
235 AC_SUBST(TOR_LIB_GDI)
237 dnl We need to do this before we try our disgusting hack below.
238 AC_CHECK_HEADERS([sys/types.h])
240 dnl This is a disgusting hack so we safely include older libevent headers.
241 AC_CHECK_TYPE(u_int64_t, unsigned long long)
242 AC_CHECK_TYPE(u_int32_t, unsigned long)
243 AC_CHECK_TYPE(u_int16_t, unsigned short)
244 AC_CHECK_TYPE(u_int8_t, unsigned char)
246 tor_libevent_pkg_redhat="libevent"
247 tor_libevent_pkg_debian="libevent-dev"
248 tor_libevent_devpkg_redhat="libevent-devel"
249 tor_libevent_devpkg_debian="libevent-dev"
251 TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
253 #include <winsock2.h>
256 #include <sys/time.h>
257 #include <sys/types.h>
258 #include <event.h>], [
260 #include <winsock2.h>
262 void exit(int); void *event_init(void);],
265 {WSADATA d; WSAStartup(0x101,&d); }
267 event_init(); exit(0);
268 ], [--with-libevent-dir], [/opt/libevent])
270 dnl Now check for particular libevent functions.
272 save_LDFLAGS="$LDFLAGS"
273 save_CPPFLAGS="$CPPFLAGS"
274 LIBS="-levent $TOR_LIB_WS32 $LIBS"
275 LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
276 CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
277 AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
278 AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
283 LDFLAGS="$save_LDFLAGS"
284 CPPFLAGS="$save_CPPFLAGS"
286 dnl ------------------------------------------------------
287 dnl Where do you live, openssl? And how do we call you?
289 tor_openssl_pkg_redhat="openssl"
290 tor_openssl_pkg_debian="libssl"
291 tor_openssl_devpkg_redhat="openssl-devel"
292 tor_openssl_devpkg_debian="libssl-dev"
294 ALT_openssl_WITHVAL=""
296 [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
298 if test "x$withval" != xno && test "x$withval" != "x" ; then
299 ALT_openssl_WITHVAL="$withval"
303 TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
304 [#include <openssl/rand.h>],
305 [void RAND_add(const void *buf, int num, double entropy);],
306 [RAND_add((void*)0,0,0); exit(0);], [],
307 [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
309 dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
311 dnl ------------------------------------------------------
312 dnl Where do you live, zlib? And how do we call you?
314 tor_openssl_pkg_redhat="zlib"
315 tor_openssl_pkg_debian="zlib1g"
316 tor_openssl_devpkg_redhat="zlib-devel"
317 tor_openssl_devpkg_debian="zlib1g-dev"
319 TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
321 [const char * zlibVersion(void);],
322 [zlibVersion(); exit(0);], [--with-zlib-dir],
325 dnl Make sure to enable support for large off_t if available.
329 AC_CHECK_HEADERS(unistd.h string.h signal.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
331 AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h sys/uio.h)
333 dnl These headers are not essential
335 AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netinet/in6.h malloc.h sys/syslimits.h malloc/malloc.h linux/types.h sys/file.h malloc_np.h sys/prctl.h)
337 TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
338 [#ifdef HAVE_MALLOC_H
341 #ifdef HAVE_MALLOC_MALLOC_H
342 #include <malloc/malloc.h>
345 AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
346 [#ifdef HAVE_SYS_TYPES_H
347 #include <sys/types.h>
349 #ifdef HAVE_SYS_SOCKET_H
350 #include <sys/socket.h>
352 AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
353 [#ifdef HAVE_SYS_TYPES_H
354 #include <sys/types.h>
356 #ifdef HAVE_SYS_SOCKET_H
357 #include <sys/socket.h>
362 AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
363 linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
364 [#ifdef HAVE_SYS_TYPES_H
365 #include <sys/types.h>
367 #ifdef HAVE_SYS_SOCKET_H
368 #include <sys/socket.h>
373 #ifdef HAVE_LINUX_TYPES_H
374 #include <linux/types.h>
376 #ifdef HAVE_NETINET_IN6_H
377 #include <netinet/in6.h>
379 #ifdef HAVE_NETINET_IN_H
380 #include <netinet/in.h>
383 if test x$transparent = xtrue ; then
385 if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
388 if test x$linux_netfilter_ipv4 = x1 ; then
391 if test x$transparent_ok = x1 ; then
392 AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
395 AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
398 AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
402 AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
403 [#ifdef HAVE_SYS_TYPES_H
404 #include <sys/types.h>
406 #ifdef HAVE_SYS_TIME_H
407 #include <sys/time.h>
410 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
413 AC_CHECK_SIZEOF(int8_t)
414 AC_CHECK_SIZEOF(int16_t)
415 AC_CHECK_SIZEOF(int32_t)
416 AC_CHECK_SIZEOF(int64_t)
417 AC_CHECK_SIZEOF(uint8_t)
418 AC_CHECK_SIZEOF(uint16_t)
419 AC_CHECK_SIZEOF(uint32_t)
420 AC_CHECK_SIZEOF(uint64_t)
421 AC_CHECK_SIZEOF(intptr_t)
422 AC_CHECK_SIZEOF(uintptr_t)
424 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
426 AC_CHECK_SIZEOF(char)
427 AC_CHECK_SIZEOF(short)
429 AC_CHECK_SIZEOF(long)
430 AC_CHECK_SIZEOF(long long)
431 AC_CHECK_SIZEOF(__int64)
432 AC_CHECK_SIZEOF(void *)
433 AC_CHECK_SIZEOF(time_t)
434 AC_CHECK_SIZEOF(size_t)
436 AC_CHECK_TYPES([uint, u_char, ssize_t])
438 dnl used to include sockaddr_storage, but everybody has that.
439 AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
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>
464 AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
465 [#ifdef HAVE_SYS_TYPES_H
466 #include <sys/types.h>
468 #ifdef HAVE_NETINET_IN_H
469 #include <netinet/in.h>
471 #ifdef HAVE_NETINET_IN6_H
472 #include <netinet/in6.h>
474 #ifdef HAVE_SYS_SOCKET_H
475 #include <sys/socket.h>
478 #define WIN32_WINNT 0x400
479 #define _WIN32_WINNT 0x400
480 #define WIN32_LEAN_AND_MEAN
481 #if defined(_MSC_VER) && (_MSC_VER < 1300)
484 #include <winsock2.h>
485 #include <ws2tcpip.h>
490 AC_CHECK_TYPES([rlim_t], , ,
491 [#ifdef HAVE_SYS_TYPES_H
492 #include <sys/types.h>
494 #ifdef HAVE_SYS_TIME_H
495 #include <sys/time.h>
497 #ifdef HAVE_SYS_RESOURCE_H
498 #include <sys/resource.h>
502 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
503 AC_RUN_IFELSE(AC_LANG_SOURCE([
504 #ifdef HAVE_SYS_TYPES_H
505 #include <sys/types.h>
507 #ifdef HAVE_SYS_TIME_H
508 #include <sys/time.h>
513 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
514 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
517 if test "$tor_cv_time_t_signed" = cross; then
518 AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
521 if test "$tor_cv_time_t_signed" != no; then
522 AC_DEFINE([TIME_T_IS_SIGNED], 1,
523 [Define to 1 iff time_t is signed])
526 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
527 #ifdef HAVE_SYS_SOCKET_H
528 #include <sys/socket.h>
532 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
534 AC_CHECK_SIZEOF(cell_t)
536 # Now make sure that NULL can be represented as zero bytes.
537 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
538 [AC_RUN_IFELSE([AC_LANG_SOURCE(
539 [[#include <stdlib.h>
545 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
546 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
547 [tor_cv_null_is_zero=yes],
548 [tor_cv_null_is_zero=no],
549 [tor_cv_null_is_zero=cross])])
551 if test "$tor_cv_null_is_zero" = cross ; then
552 # Cross-compiling; let's hope that the target isn't raving mad.
553 AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
556 if test "$tor_cv_null_is_zero" != no; then
557 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
558 [Define to 1 iff memset(0) sets pointers to NULL])
561 # And what happens when we malloc zero?
562 AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
563 [AC_RUN_IFELSE([AC_LANG_SOURCE(
564 [[#include <stdlib.h>
570 int main () { return malloc(0)?0:1; }]])],
571 [tor_cv_malloc_zero_works=yes],
572 [tor_cv_malloc_zero_works=no],
573 [tor_cv_malloc_zero_works=cross])])
575 if test "$tor_cv_malloc_zero_works" = cross; then
576 # Cross-compiling; let's hope that the target isn't raving mad.
577 AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
580 if test "$tor_cv_malloc_zero_works" = yes; then
581 AC_DEFINE([MALLOC_ZERO_WORKS], 1,
582 [Define to 1 iff malloc(0) returns a pointer])
585 # whether we seem to be in a 2s-complement world.
586 AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
587 [AC_RUN_IFELSE([AC_LANG_SOURCE(
588 [[int main () { int problem = ((-99) != (~99)+1);
589 return problem ? 1 : 0; }]])],
590 [tor_cv_twos_complement=yes],
591 [tor_cv_twos_complement=no],
592 [tor_cv_twos_complement=cross])])
594 if test "$tor_cv_twos_complement" = cross ; then
595 # Cross-compiling; let's hope that the target isn't raving mad.
596 AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
599 if test "$tor_cv_twos_complement" != no ; then
600 AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
601 [Define to 1 iff we represent negative integers with two's complement])
604 # Whether we should use the dmalloc memory allocation debugging library.
605 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
607 [ --with-dmalloc Use debug memory allocation library. ],
608 [if [[ "$withval" = "yes" ]]; then
614 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
617 if [[ $dmalloc -eq 1 ]]; then
618 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
619 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
620 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
621 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
622 AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
625 AC_ARG_WITH(tcmalloc,
626 [ --with-tcmalloc Use tcmalloc memory allocation library. ],
627 [ tcmalloc=yes ], [ tcmalloc=no ])
629 if test x$tcmalloc = xyes ; then
630 LDFLAGS="-ltcmalloc $LDFLAGS"
633 # Allow user to specify an alternate syslog facility
634 AC_ARG_WITH(syslog-facility,
635 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
636 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
637 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
638 AC_SUBST(LOGFACILITY)
640 # Check if we have getresuid and getresgid
641 AC_CHECK_FUNCS(getresuid getresgid)
643 # Check for gethostbyname_r in all its glorious incompatible versions.
644 # (This logic is based on that in Python's configure.in)
645 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
646 [Define this if you have any gethostbyname_r()])
648 AC_CHECK_FUNC(gethostbyname_r, [
649 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
651 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
652 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
656 struct hostent *h1, *h2;
658 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
660 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
661 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
662 [Define this if gethostbyname_r takes 6 arguments])
671 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
673 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
674 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
675 [Define this if gethostbyname_r takes 5 arguments])
683 struct hostent_data hd;
684 (void) gethostbyname_r(cp1,h1,&hd);
686 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
687 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
688 [Define this if gethostbyname_r takes 3 arguments])
698 AC_CACHE_CHECK([whether the C compiler supports __func__],
699 tor_cv_have_func_macro,
702 int main(int c, char **v) { puts(__func__); }],
703 tor_cv_have_func_macro=yes,
704 tor_cv_have_func_macro=no))
706 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
707 tor_cv_have_FUNC_macro,
710 int main(int c, char **v) { puts(__FUNC__); }],
711 tor_cv_have_FUNC_macro=yes,
712 tor_cv_have_FUNC_macro=no))
714 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
715 tor_cv_have_FUNCTION_macro,
718 int main(int c, char **v) { puts(__FUNCTION__); }],
719 tor_cv_have_FUNCTION_macro=yes,
720 tor_cv_have_FUNCTION_macro=no))
722 if test "$tor_cv_have_func_macro" = 'yes'; then
723 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
726 if test "$tor_cv_have_FUNC_macro" = 'yes'; then
727 AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
730 if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
731 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
732 [Defined if the compiler supports __FUNCTION__])
735 # $prefix stores the value of the --prefix command line option, or
736 # NONE if the option wasn't set. In the case that it wasn't set, make
737 # it be the default, so that we can use it to expand directories now.
738 if test "x$prefix" = "xNONE"; then
739 prefix=$ac_default_prefix
742 # and similarly for $exec_prefix
743 if test "x$exec_prefix" = "xNONE"; then
747 if test "x$CONFDIR" = "x"; then
748 CONFDIR=`eval echo $sysconfdir/tor`
751 AH_TEMPLATE([CONFDIR],[tor's configuration directory])
752 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
754 BINDIR=`eval echo $bindir`
756 LOCALSTATEDIR=`eval echo $localstatedir`
757 AC_SUBST(LOCALSTATEDIR)
759 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
760 # than autoconf's macros like.
761 if test "$GCC" = yes; then
762 CFLAGS="$CFLAGS -Wall -g -O2"
763 # Disable GCC's strict aliasing checks. They are an hours-to-debug
764 # accident waiting to happen.
765 CFLAGS="$CFLAGS -fno-strict-aliasing"
767 CFLAGS="$CFLAGS -g -O"
768 enable_gcc_warnings=no
771 # Add some more warnings which we use in development but not in the
772 # released versions. (Some relevant gcc versions can't handle these.)
773 if test x$enable_gcc_warnings = xyes; then
775 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
776 #if !defined(__GNUC__) || (__GNUC__ < 4)
778 #endif]), have_gcc4=yes, have_gcc4=no)
780 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
781 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
783 #endif]), have_gcc42=yes, have_gcc42=no)
785 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
786 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
788 #endif]), have_gcc43=yes, have_gcc43=no)
790 save_CFLAGS="$CFLAGS"
791 CFLAGS="$CFLAGS -Wshorten-64-to-32"
792 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes,
793 have_shorten64_flag=no)
794 CFLAGS="$save_CFLAGS"
796 CFLAGS="$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"
798 # Disabled, so we can use mallinfo(): -Waggregate-return
800 if test x$have_gcc4 = xyes ; then
801 # These warnings break gcc 3.3.5 and work on gcc 4.0.2
802 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
805 if test x$have_gcc42 = xyes ; then
806 # These warnings break gcc 4.0.2 and work on gcc 4.2
807 # XXXX020 Use -fstack-protector.
808 # XXXX020 See if any of these work with earlier versions.
809 CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1"
810 # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
813 if test x$have_gcc43 = xyes ; then
814 # These warnings break gcc 4.2 and work on gcc 4.3
815 # XXXX020 See if any of these work with earlier versions.
816 CFLAGS="$CFLAGS -Wextra -Warray-bounds"
819 if test x$have_shorten64_flag = xyes ; then
820 CFLAGS="$CFLAGS -Wshorten-64-to-32"
823 ##This will break the world on some 64-bit architectures
824 # CFLAGS="$CFLAGS -Winline"
829 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
831 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])
834 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
835 ./contrib/updateVersions.pl