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, 0.2.1.25)
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="$CFLAGS -D__DARWIN_UNIX03 -DIPHONE"
38 #XXXX020 We should make these enabled or not, before 0.2.0.x-final
39 AC_ARG_ENABLE(buf-freelists,
40 AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM))
41 AC_ARG_ENABLE(openbsd-malloc,
42 AS_HELP_STRING(--enable-openbsd-malloc, Use malloc code from openbsd. Linux only))
43 AC_ARG_ENABLE(instrument-downloads,
44 AS_HELP_STRING(--enable-instrument-downloads, Instrument downloads of directory resources etc.))
45 AC_ARG_ENABLE(static-openssl,
46 AS_HELP_STRING(--enable-static-openssl, Link against a static openssl library. Requires --with-openssl-dir))
47 AC_ARG_ENABLE(static-libevent,
48 AS_HELP_STRING(--enable-static-libevent, Link against a static libevent library. Requires --with-libevent-dir))
50 if test x$enable_buf_freelists != xno; then
51 AC_DEFINE(ENABLE_BUF_FREELISTS, 1,
52 [Defined if we try to use freelists for buffer RAM chunks])
54 AM_CONDITIONAL(USE_OPENBSD_MALLOC, test x$enable_openbsd_malloc = xyes)
55 if test x$enable_instrument_downloads = xyes; then
56 AC_DEFINE(INSTRUMENT_DOWNLOADS, 1,
57 [Defined if we want to keep track of how much of each kind of resource we download.])
60 AC_ARG_ENABLE(transparent,
61 AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
62 [case "${enableval}" in
63 yes) transparent=true ;;
64 no) transparent=false ;;
65 *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
66 esac], [transparent=true])
68 AC_ARG_ENABLE(threads,
69 AS_HELP_STRING(--disable-threads, disable multi-threading support))
71 if test x$enable_threads = x; then
74 # Don't try multithreading on solaris -- cpuworkers seem to lock.
75 AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
76 cpu workers lock up here, so I will disable threads.])
79 enable_threads="yes";;
83 if test "$enable_threads" = "yes"; then
84 AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
89 AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
93 AC_ARG_ENABLE(geoip-stats,
94 AS_HELP_STRING(--enable-geoip-stats, enable code for directories to collect per-country statistics))
96 if test "$enable_geoip_stats" = "yes"; then
97 AC_DEFINE(ENABLE_GEOIP_STATS, 1, [Defined if we try to collect per-country statistics])
100 AC_ARG_ENABLE(gcc-warnings,
101 AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
102 AC_ARG_ENABLE(gcc-warnings-advisory,
103 AS_HELP_STRING(--enable-gcc-warnings-advisory, [enable verbose warnings, excluding -Werror]))
105 AC_ARG_ENABLE(local-appdata,
106 AS_HELP_STRING(--enable-local-appdata, default to host local application data paths on Windows))
107 if test "$enable_local_appdata" = "yes"; then
108 AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
109 [Defined if we default to host local appdata paths on Windows])
118 AC_ARG_WITH(tor-user,
119 [ --with-tor-user=NAME Specify username for tor daemon ],
127 AC_ARG_WITH(tor-group,
128 [ --with-tor-group=NAME Specify group name for tor daemon ],
136 dnl If WIN32 is defined and non-zero, we are building for win32
137 AC_MSG_CHECKING([for win32])
139 int main(int c, char **v) {
150 bwin32=true; AC_MSG_RESULT([yes]),
151 bwin32=false; AC_MSG_RESULT([no]),
152 bwin32=cross; AC_MSG_RESULT([cross])
155 if test "$bwin32" = cross; then
156 AC_MSG_CHECKING([for win32 (cross)])
159 int main(int c, char **v) {return 0;}
162 int main(int c, char **v) {return x(y);}
165 bwin32=true; AC_MSG_RESULT([yes]),
166 bwin32=false; AC_MSG_RESULT([no]))
169 if test "$bwin32" = true; then
170 AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
172 AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
174 dnl Enable C99 when compiling with MIPSpro
175 AC_MSG_CHECKING([for MIPSpro compiler])
176 AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
177 #if (defined(__sgi) && defined(_COMPILER_VERSION))
182 bmipspro=false; AC_MSG_RESULT(no),
183 bmipspro=true; AC_MSG_RESULT(yes))
185 if test "$bmipspro" = true; then
186 CFLAGS="$CFLAGS -c99"
191 AC_SEARCH_LIBS(socket, [socket])
192 AC_SEARCH_LIBS(gethostbyname, [nsl])
193 AC_SEARCH_LIBS(dlopen, [dl])
194 AC_SEARCH_LIBS(inet_aton, [resolv])
196 if test "$enable_threads" = "yes"; then
197 AC_SEARCH_LIBS(pthread_create, [pthread])
198 AC_SEARCH_LIBS(pthread_detach, [pthread])
201 dnl -------------------------------------------------------------------
202 dnl Check for functions before libevent, since libevent-1.2 apparently
203 dnl exports strlcpy without defining it in a header.
205 AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull getaddrinfo localtime_r gmtime_r memmem strtok_r writev readv flock prctl)
207 using_custom_malloc=no
208 if test x$enable_openbsd_malloc = xyes ; then
209 AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
210 using_custom_malloc=yes
212 if test x$tcmalloc = xyes ; then
213 using_custom_malloc=yes
215 if test $using_custom_malloc = no ; then
216 AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
219 if test "$enable_threads" = "yes"; then
220 AC_CHECK_HEADERS(pthread.h)
221 AC_CHECK_FUNCS(pthread_create)
224 dnl ------------------------------------------------------
225 dnl Where do you live, libevent? And how do we call you?
227 if test "$bwin32" = true; then
228 TOR_LIB_WS32=-lws2_32
229 # Some of the cargo-cults recommend -lwsock32 as well, but I don't
230 # think it's actually necessary.
236 AC_SUBST(TOR_LIB_WS32)
237 AC_SUBST(TOR_LIB_GDI)
239 dnl We need to do this before we try our disgusting hack below.
240 AC_CHECK_HEADERS([sys/types.h])
242 dnl This is a disgusting hack so we safely include older libevent headers.
243 AC_CHECK_TYPE(u_int64_t, unsigned long long)
244 AC_CHECK_TYPE(u_int32_t, unsigned long)
245 AC_CHECK_TYPE(u_int16_t, unsigned short)
246 AC_CHECK_TYPE(u_int8_t, unsigned char)
248 tor_libevent_pkg_redhat="libevent"
249 tor_libevent_pkg_debian="libevent-dev"
250 tor_libevent_devpkg_redhat="libevent-devel"
251 tor_libevent_devpkg_debian="libevent-dev"
253 TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
255 #include <winsock2.h>
258 #include <sys/time.h>
259 #include <sys/types.h>
260 #include <event.h>], [
262 #include <winsock2.h>
264 void exit(int); void *event_init(void);],
267 {WSADATA d; WSAStartup(0x101,&d); }
269 event_init(); exit(0);
270 ], [--with-libevent-dir], [/opt/libevent])
272 dnl Now check for particular libevent functions.
274 save_LDFLAGS="$LDFLAGS"
275 save_CPPFLAGS="$CPPFLAGS"
276 LIBS="-levent $TOR_LIB_WS32 $LIBS"
277 LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
278 CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
279 AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
280 AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
285 LDFLAGS="$save_LDFLAGS"
286 CPPFLAGS="$save_CPPFLAGS"
288 if test "$enable_static_libevent" = "yes"; then
289 if test "$tor_cv_library_libevent_dir" = "(system)"; then
290 AC_MSG_ERROR("You must specify an explicit --with-libevent-dir=x option when using --enable-static-libevent")
292 TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent.a"
295 TOR_LIBEVENT_LIBS="-levent"
297 AC_SUBST(TOR_LIBEVENT_LIBS)
299 dnl ------------------------------------------------------
300 dnl Where do you live, openssl? And how do we call you?
302 tor_openssl_pkg_redhat="openssl"
303 tor_openssl_pkg_debian="libssl"
304 tor_openssl_devpkg_redhat="openssl-devel"
305 tor_openssl_devpkg_debian="libssl-dev"
307 ALT_openssl_WITHVAL=""
309 [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
311 if test "x$withval" != xno && test "x$withval" != "x" ; then
312 ALT_openssl_WITHVAL="$withval"
316 TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
317 [#include <openssl/rand.h>],
318 [void RAND_add(const void *buf, int num, double entropy);],
319 [RAND_add((void*)0,0,0); exit(0);], [],
320 [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
322 dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
324 echo "tor_cv_library_openssl_dir is $tor_cv_library_openssl_dir"
325 if test "$enable_static_openssl" = "yes"; then
326 if test "$tor_cv_library_openssl_dir" = "(system)"; then
327 AC_MSG_ERROR("You must specify an explicit --with-openssl-dir=x option when using --enable-static-openssl")
329 TOR_OPENSSL_LIBS="$TOR_LIBDIR_openssl/libssl.a $TOR_LIBDIR_openssl/libcrypto.a"
332 TOR_OPENSSL_LIBS="-lssl -lcrypto"
334 AC_SUBST(TOR_OPENSSL_LIBS)
336 dnl ------------------------------------------------------
337 dnl Where do you live, zlib? And how do we call you?
339 tor_openssl_pkg_redhat="zlib"
340 tor_openssl_pkg_debian="zlib1g"
341 tor_openssl_devpkg_redhat="zlib-devel"
342 tor_openssl_devpkg_debian="zlib1g-dev"
344 TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
346 [const char * zlibVersion(void);],
347 [zlibVersion(); exit(0);], [--with-zlib-dir],
350 dnl Make sure to enable support for large off_t if available.
354 AC_CHECK_HEADERS(unistd.h string.h signal.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
356 AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h sys/uio.h)
358 dnl These headers are not essential
360 AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netinet/in6.h malloc.h sys/syslimits.h malloc/malloc.h linux/types.h sys/file.h malloc_np.h sys/prctl.h)
362 TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
363 [#ifdef HAVE_MALLOC_H
366 #ifdef HAVE_MALLOC_MALLOC_H
367 #include <malloc/malloc.h>
370 AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
371 [#ifdef HAVE_SYS_TYPES_H
372 #include <sys/types.h>
374 #ifdef HAVE_SYS_SOCKET_H
375 #include <sys/socket.h>
377 AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
378 [#ifdef HAVE_SYS_TYPES_H
379 #include <sys/types.h>
381 #ifdef HAVE_SYS_SOCKET_H
382 #include <sys/socket.h>
387 AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
388 linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
389 [#ifdef HAVE_SYS_TYPES_H
390 #include <sys/types.h>
392 #ifdef HAVE_SYS_SOCKET_H
393 #include <sys/socket.h>
398 #ifdef HAVE_LINUX_TYPES_H
399 #include <linux/types.h>
401 #ifdef HAVE_NETINET_IN6_H
402 #include <netinet/in6.h>
404 #ifdef HAVE_NETINET_IN_H
405 #include <netinet/in.h>
408 if test x$transparent = xtrue ; then
410 if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
413 if test x$linux_netfilter_ipv4 = x1 ; then
416 if test x$transparent_ok = x1 ; then
417 AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
420 AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
423 AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
427 AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
428 [#ifdef HAVE_SYS_TYPES_H
429 #include <sys/types.h>
431 #ifdef HAVE_SYS_TIME_H
432 #include <sys/time.h>
435 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
438 AC_CHECK_SIZEOF(int8_t)
439 AC_CHECK_SIZEOF(int16_t)
440 AC_CHECK_SIZEOF(int32_t)
441 AC_CHECK_SIZEOF(int64_t)
442 AC_CHECK_SIZEOF(uint8_t)
443 AC_CHECK_SIZEOF(uint16_t)
444 AC_CHECK_SIZEOF(uint32_t)
445 AC_CHECK_SIZEOF(uint64_t)
446 AC_CHECK_SIZEOF(intptr_t)
447 AC_CHECK_SIZEOF(uintptr_t)
449 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
451 AC_CHECK_SIZEOF(char)
452 AC_CHECK_SIZEOF(short)
454 AC_CHECK_SIZEOF(long)
455 AC_CHECK_SIZEOF(long long)
456 AC_CHECK_SIZEOF(__int64)
457 AC_CHECK_SIZEOF(void *)
458 AC_CHECK_SIZEOF(time_t)
459 AC_CHECK_SIZEOF(size_t)
461 AC_CHECK_TYPES([uint, u_char, ssize_t])
463 dnl used to include sockaddr_storage, but everybody has that.
464 AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
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>
489 AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
490 [#ifdef HAVE_SYS_TYPES_H
491 #include <sys/types.h>
493 #ifdef HAVE_NETINET_IN_H
494 #include <netinet/in.h>
496 #ifdef HAVE_NETINET_IN6_H
497 #include <netinet/in6.h>
499 #ifdef HAVE_SYS_SOCKET_H
500 #include <sys/socket.h>
503 #define WIN32_WINNT 0x400
504 #define _WIN32_WINNT 0x400
505 #define WIN32_LEAN_AND_MEAN
506 #if defined(_MSC_VER) && (_MSC_VER < 1300)
509 #include <winsock2.h>
510 #include <ws2tcpip.h>
515 AC_CHECK_TYPES([rlim_t], , ,
516 [#ifdef HAVE_SYS_TYPES_H
517 #include <sys/types.h>
519 #ifdef HAVE_SYS_TIME_H
520 #include <sys/time.h>
522 #ifdef HAVE_SYS_RESOURCE_H
523 #include <sys/resource.h>
527 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
528 AC_RUN_IFELSE(AC_LANG_SOURCE([
529 #ifdef HAVE_SYS_TYPES_H
530 #include <sys/types.h>
532 #ifdef HAVE_SYS_TIME_H
533 #include <sys/time.h>
538 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
539 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
542 if test "$tor_cv_time_t_signed" = cross; then
543 AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
546 if test "$tor_cv_time_t_signed" != no; then
547 AC_DEFINE([TIME_T_IS_SIGNED], 1,
548 [Define to 1 iff time_t is signed])
551 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
552 #ifdef HAVE_SYS_SOCKET_H
553 #include <sys/socket.h>
557 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
559 AC_CHECK_SIZEOF(cell_t)
561 # Now make sure that NULL can be represented as zero bytes.
562 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
563 [AC_RUN_IFELSE([AC_LANG_SOURCE(
564 [[#include <stdlib.h>
570 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
571 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
572 [tor_cv_null_is_zero=yes],
573 [tor_cv_null_is_zero=no],
574 [tor_cv_null_is_zero=cross])])
576 if test "$tor_cv_null_is_zero" = cross ; then
577 # Cross-compiling; let's hope that the target isn't raving mad.
578 AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
581 if test "$tor_cv_null_is_zero" != no; then
582 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
583 [Define to 1 iff memset(0) sets pointers to NULL])
586 # And what happens when we malloc zero?
587 AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
588 [AC_RUN_IFELSE([AC_LANG_SOURCE(
589 [[#include <stdlib.h>
595 int main () { return malloc(0)?0:1; }]])],
596 [tor_cv_malloc_zero_works=yes],
597 [tor_cv_malloc_zero_works=no],
598 [tor_cv_malloc_zero_works=cross])])
600 if test "$tor_cv_malloc_zero_works" = cross; then
601 # Cross-compiling; let's hope that the target isn't raving mad.
602 AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
605 if test "$tor_cv_malloc_zero_works" = yes; then
606 AC_DEFINE([MALLOC_ZERO_WORKS], 1,
607 [Define to 1 iff malloc(0) returns a pointer])
610 # whether we seem to be in a 2s-complement world.
611 AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
612 [AC_RUN_IFELSE([AC_LANG_SOURCE(
613 [[int main () { int problem = ((-99) != (~99)+1);
614 return problem ? 1 : 0; }]])],
615 [tor_cv_twos_complement=yes],
616 [tor_cv_twos_complement=no],
617 [tor_cv_twos_complement=cross])])
619 if test "$tor_cv_twos_complement" = cross ; then
620 # Cross-compiling; let's hope that the target isn't raving mad.
621 AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
624 if test "$tor_cv_twos_complement" != no ; then
625 AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
626 [Define to 1 iff we represent negative integers with two's complement])
629 # Whether we should use the dmalloc memory allocation debugging library.
630 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
632 [ --with-dmalloc Use debug memory allocation library. ],
633 [if [[ "$withval" = "yes" ]]; then
639 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
642 if [[ $dmalloc -eq 1 ]]; then
643 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
644 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
645 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
646 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
647 AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
650 AC_ARG_WITH(tcmalloc,
651 [ --with-tcmalloc Use tcmalloc memory allocation library. ],
652 [ tcmalloc=yes ], [ tcmalloc=no ])
654 if test x$tcmalloc = xyes ; then
655 LDFLAGS="-ltcmalloc $LDFLAGS"
658 # Allow user to specify an alternate syslog facility
659 AC_ARG_WITH(syslog-facility,
660 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
661 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
662 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
663 AC_SUBST(LOGFACILITY)
665 # Check if we have getresuid and getresgid
666 AC_CHECK_FUNCS(getresuid getresgid)
668 # Check for gethostbyname_r in all its glorious incompatible versions.
669 # (This logic is based on that in Python's configure.in)
670 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
671 [Define this if you have any gethostbyname_r()])
673 AC_CHECK_FUNC(gethostbyname_r, [
674 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
676 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
677 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
681 struct hostent *h1, *h2;
683 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
685 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
686 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
687 [Define this if gethostbyname_r takes 6 arguments])
696 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
698 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
699 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
700 [Define this if gethostbyname_r takes 5 arguments])
708 struct hostent_data hd;
709 (void) gethostbyname_r(cp1,h1,&hd);
711 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
712 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
713 [Define this if gethostbyname_r takes 3 arguments])
723 AC_CACHE_CHECK([whether the C compiler supports __func__],
724 tor_cv_have_func_macro,
727 int main(int c, char **v) { puts(__func__); }],
728 tor_cv_have_func_macro=yes,
729 tor_cv_have_func_macro=no))
731 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
732 tor_cv_have_FUNC_macro,
735 int main(int c, char **v) { puts(__FUNC__); }],
736 tor_cv_have_FUNC_macro=yes,
737 tor_cv_have_FUNC_macro=no))
739 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
740 tor_cv_have_FUNCTION_macro,
743 int main(int c, char **v) { puts(__FUNCTION__); }],
744 tor_cv_have_FUNCTION_macro=yes,
745 tor_cv_have_FUNCTION_macro=no))
747 if test "$tor_cv_have_func_macro" = 'yes'; then
748 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
751 if test "$tor_cv_have_FUNC_macro" = 'yes'; then
752 AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
755 if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
756 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
757 [Defined if the compiler supports __FUNCTION__])
760 # $prefix stores the value of the --prefix command line option, or
761 # NONE if the option wasn't set. In the case that it wasn't set, make
762 # it be the default, so that we can use it to expand directories now.
763 if test "x$prefix" = "xNONE"; then
764 prefix=$ac_default_prefix
767 # and similarly for $exec_prefix
768 if test "x$exec_prefix" = "xNONE"; then
772 if test "x$CONFDIR" = "x"; then
773 CONFDIR=`eval echo $sysconfdir/tor`
776 AH_TEMPLATE([CONFDIR],[tor's configuration directory])
777 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
779 BINDIR=`eval echo $bindir`
781 LOCALSTATEDIR=`eval echo $localstatedir`
782 AC_SUBST(LOCALSTATEDIR)
784 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
785 # than autoconf's macros like.
786 if test "$GCC" = yes; then
787 CFLAGS="$CFLAGS -Wall -g -O2"
788 # Disable GCC's strict aliasing checks. They are an hours-to-debug
789 # accident waiting to happen.
790 CFLAGS="$CFLAGS -fno-strict-aliasing"
792 CFLAGS="$CFLAGS -g -O"
793 enable_gcc_warnings=no
794 enable_gcc_warnings_advisory=no
797 # Add some more warnings which we use in development but not in the
798 # released versions. (Some relevant gcc versions can't handle these.)
799 if test x$enable_gcc_warnings = xyes || test x$enable_gcc_warnings_advisory = xyes; then
801 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
802 #if !defined(__GNUC__) || (__GNUC__ < 4)
804 #endif]), have_gcc4=yes, have_gcc4=no)
806 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
807 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
809 #endif]), have_gcc42=yes, have_gcc42=no)
811 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
812 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
814 #endif]), have_gcc43=yes, have_gcc43=no)
816 save_CFLAGS="$CFLAGS"
817 CFLAGS="$CFLAGS -Wshorten-64-to-32"
818 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes,
819 have_shorten64_flag=no)
820 CFLAGS="$save_CFLAGS"
822 CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum"
823 if test x$enable_gcc_warnings = xyes; then
824 CFLAGS="$CFLAGS -Werror"
827 # Disabled, so we can use mallinfo(): -Waggregate-return
829 if test x$have_gcc4 = xyes ; then
830 # These warnings break gcc 3.3.5 and work on gcc 4.0.2
831 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
834 if test x$have_gcc42 = xyes ; then
835 # These warnings break gcc 4.0.2 and work on gcc 4.2
836 # XXXX020 Use -fstack-protector.
837 # XXXX020 See if any of these work with earlier versions.
838 CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1"
839 # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
842 if test x$have_gcc43 = xyes ; then
843 # These warnings break gcc 4.2 and work on gcc 4.3
844 # XXXX020 See if any of these work with earlier versions.
845 CFLAGS="$CFLAGS -Wextra -Warray-bounds"
848 if test x$have_shorten64_flag = xyes ; then
849 CFLAGS="$CFLAGS -Wshorten-64-to-32"
852 ##This will break the world on some 64-bit architectures
853 # CFLAGS="$CFLAGS -Winline"
858 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
860 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])
863 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
864 ./contrib/updateVersions.pl