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, 0.2.1.11-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))
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 "$enable_local_appdata" = "yes"; then
102 AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
103 [Defined if we default to host local appdata paths on Windows])
112 AC_ARG_WITH(tor-user,
113 [ --with-tor-user=NAME Specify username for tor daemon ],
121 AC_ARG_WITH(tor-group,
122 [ --with-tor-group=NAME Specify group name for tor daemon ],
130 dnl If WIN32 is defined and non-zero, we are building for win32
131 AC_MSG_CHECKING([for win32])
133 int main(int c, char **v) {
144 bwin32=true; AC_MSG_RESULT([yes]),
145 bwin32=false; AC_MSG_RESULT([no]),
146 bwin32=cross; AC_MSG_RESULT([cross])
149 if test "$bwin32" = cross; then
150 AC_MSG_CHECKING([for win32 (cross)])
153 int main(int c, char **v) {return 0;}
156 int main(int c, char **v) {return x(y);}
159 bwin32=true; AC_MSG_RESULT([yes]),
160 bwin32=false; AC_MSG_RESULT([no]))
163 if test "$bwin32" = true; then
164 AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
166 AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
168 dnl Enable C99 when compiling with MIPSpro
169 AC_MSG_CHECKING([for MIPSpro compiler])
170 AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
171 #if (defined(__sgi) && defined(_COMPILER_VERSION))
176 bmipspro=false; AC_MSG_RESULT(no),
177 bmipspro=true; AC_MSG_RESULT(yes))
179 if test "$bmipspro" = true; then
180 CFLAGS="$CFLAGS -c99"
185 AC_SEARCH_LIBS(socket, [socket])
186 AC_SEARCH_LIBS(gethostbyname, [nsl])
187 AC_SEARCH_LIBS(dlopen, [dl])
188 AC_SEARCH_LIBS(inet_aton, [resolv])
190 if test "$enable_threads" = "yes"; then
191 AC_SEARCH_LIBS(pthread_create, [pthread])
192 AC_SEARCH_LIBS(pthread_detach, [pthread])
195 dnl -------------------------------------------------------------------
196 dnl Check for functions before libevent, since libevent-1.2 apparently
197 dnl exports strlcpy without defining it in a header.
199 AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull getaddrinfo localtime_r gmtime_r memmem strtok_r writev readv flock)
201 using_custom_malloc=no
202 if test x$enable_openbsd_malloc = xyes ; then
203 AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
204 using_custom_malloc=yes
206 if test x$tcmalloc = xyes ; then
207 using_custom_malloc=yes
209 if test $using_custom_malloc = no ; then
210 AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
213 if test "$enable_threads" = "yes"; then
214 AC_CHECK_HEADERS(pthread.h)
215 AC_CHECK_FUNCS(pthread_create)
218 dnl ------------------------------------------------------
219 dnl Where do you live, libevent? And how do we call you?
221 if test "$bwin32" = true; then
222 TOR_LIB_WS32=-lws2_32
223 # Some of the cargo-cults recommend -lwsock32 as well, but I don't
224 # think it's actually necessary.
230 AC_SUBST(TOR_LIB_WS32)
231 AC_SUBST(TOR_LIB_GDI)
233 dnl We need to do this before we try our disgusting hack below.
234 AC_CHECK_HEADERS([sys/types.h])
236 dnl This is a disgusting hack so we safely include older libevent headers.
237 AC_CHECK_TYPE(u_int64_t, unsigned long long)
238 AC_CHECK_TYPE(u_int32_t, unsigned long)
239 AC_CHECK_TYPE(u_int16_t, unsigned short)
240 AC_CHECK_TYPE(u_int8_t, unsigned char)
242 tor_libevent_pkg_redhat="libevent"
243 tor_libevent_pkg_debian="libevent-dev"
244 tor_libevent_devpkg_redhat="libevent-devel"
245 tor_libevent_devpkg_debian="libevent-dev"
247 TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
249 #include <winsock2.h>
252 #include <sys/time.h>
253 #include <sys/types.h>
254 #include <event.h>], [
256 #include <winsock2.h>
258 void exit(int); void *event_init(void);],
261 {WSADATA d; WSAStartup(0x101,&d); }
263 event_init(); exit(0);
264 ], [--with-libevent-dir], [/opt/libevent])
266 dnl Now check for particular libevent functions.
268 save_LDFLAGS="$LDFLAGS"
269 save_CPPFLAGS="$CPPFLAGS"
270 LIBS="-levent $TOR_LIB_WS32 $LIBS"
271 LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
272 CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
273 AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
274 AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
279 LDFLAGS="$save_LDFLAGS"
280 CPPFLAGS="$save_CPPFLAGS"
282 dnl ------------------------------------------------------
283 dnl Where do you live, openssl? And how do we call you?
285 tor_openssl_pkg_redhat="openssl"
286 tor_openssl_pkg_debian="libssl"
287 tor_openssl_devpkg_redhat="openssl-devel"
288 tor_openssl_devpkg_debian="libssl-dev"
290 ALT_openssl_WITHVAL=""
292 [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
294 if test "x$withval" != xno && test "x$withval" != "x" ; then
295 ALT_openssl_WITHVAL="$withval"
299 TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
300 [#include <openssl/rand.h>],
301 [void RAND_add(const void *buf, int num, double entropy);],
302 [RAND_add((void*)0,0,0); exit(0);], [],
303 [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
305 dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
307 dnl ------------------------------------------------------
308 dnl Where do you live, zlib? And how do we call you?
310 tor_openssl_pkg_redhat="zlib"
311 tor_openssl_pkg_debian="zlib1g"
312 tor_openssl_devpkg_redhat="zlib-devel"
313 tor_openssl_devpkg_debian="zlib1g-dev"
315 TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
317 [const char * zlibVersion(void);],
318 [zlibVersion(); exit(0);], [--with-zlib-dir],
321 dnl Make sure to enable support for large off_t if available.
325 AC_CHECK_HEADERS(unistd.h string.h signal.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
327 AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h sys/uio.h)
329 dnl These headers are not essential
331 AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netinet/in6.h malloc.h sys/syslimits.h malloc/malloc.h linux/types.h sys/file.h malloc_np.h)
333 TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
334 [#ifdef HAVE_MALLOC_H
337 #ifdef HAVE_MALLOC_MALLOC_H
338 #include <malloc/malloc.h>
341 AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
342 [#ifdef HAVE_SYS_TYPES_H
343 #include <sys/types.h>
345 #ifdef HAVE_SYS_SOCKET_H
346 #include <sys/socket.h>
348 AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
349 [#ifdef HAVE_SYS_TYPES_H
350 #include <sys/types.h>
352 #ifdef HAVE_SYS_SOCKET_H
353 #include <sys/socket.h>
358 AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
359 linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
360 [#ifdef HAVE_SYS_TYPES_H
361 #include <sys/types.h>
363 #ifdef HAVE_SYS_SOCKET_H
364 #include <sys/socket.h>
369 #ifdef HAVE_LINUX_TYPES_H
370 #include <linux/types.h>
372 #ifdef HAVE_NETINET_IN6_H
373 #include <netinet/in6.h>
375 #ifdef HAVE_NETINET_IN_H
376 #include <netinet/in.h>
379 if test x$transparent = xtrue ; then
381 if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
384 if test x$linux_netfilter_ipv4 = x1 ; then
387 if test x$transparent_ok = x1 ; then
388 AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
391 AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
394 AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
398 AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
399 [#ifdef HAVE_SYS_TYPES_H
400 #include <sys/types.h>
402 #ifdef HAVE_SYS_TIME_H
403 #include <sys/time.h>
406 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
409 AC_CHECK_SIZEOF(int8_t)
410 AC_CHECK_SIZEOF(int16_t)
411 AC_CHECK_SIZEOF(int32_t)
412 AC_CHECK_SIZEOF(int64_t)
413 AC_CHECK_SIZEOF(uint8_t)
414 AC_CHECK_SIZEOF(uint16_t)
415 AC_CHECK_SIZEOF(uint32_t)
416 AC_CHECK_SIZEOF(uint64_t)
417 AC_CHECK_SIZEOF(intptr_t)
418 AC_CHECK_SIZEOF(uintptr_t)
420 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
422 AC_CHECK_SIZEOF(char)
423 AC_CHECK_SIZEOF(short)
425 AC_CHECK_SIZEOF(long)
426 AC_CHECK_SIZEOF(long long)
427 AC_CHECK_SIZEOF(__int64)
428 AC_CHECK_SIZEOF(void *)
429 AC_CHECK_SIZEOF(time_t)
430 AC_CHECK_SIZEOF(size_t)
432 AC_CHECK_TYPES([uint, u_char, ssize_t])
434 dnl used to include sockaddr_storage, but everybody has that.
435 AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
436 [#ifdef HAVE_SYS_TYPES_H
437 #include <sys/types.h>
439 #ifdef HAVE_NETINET_IN_H
440 #include <netinet/in.h>
442 #ifdef HAVE_NETINET_IN6_H
443 #include <netinet/in6.h>
445 #ifdef HAVE_SYS_SOCKET_H
446 #include <sys/socket.h>
449 #define WIN32_WINNT 0x400
450 #define _WIN32_WINNT 0x400
451 #define WIN32_LEAN_AND_MEAN
452 #if defined(_MSC_VER) && (_MSC_VER < 1300)
455 #include <winsock2.h>
456 #include <ws2tcpip.h>
460 AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
461 [#ifdef HAVE_SYS_TYPES_H
462 #include <sys/types.h>
464 #ifdef HAVE_NETINET_IN_H
465 #include <netinet/in.h>
467 #ifdef HAVE_NETINET_IN6_H
468 #include <netinet/in6.h>
470 #ifdef HAVE_SYS_SOCKET_H
471 #include <sys/socket.h>
474 #define WIN32_WINNT 0x400
475 #define _WIN32_WINNT 0x400
476 #define WIN32_LEAN_AND_MEAN
477 #if defined(_MSC_VER) && (_MSC_VER < 1300)
480 #include <winsock2.h>
481 #include <ws2tcpip.h>
486 AC_CHECK_TYPES([rlim_t], , ,
487 [#ifdef HAVE_SYS_TYPES_H
488 #include <sys/types.h>
490 #ifdef HAVE_SYS_TIME_H
491 #include <sys/time.h>
493 #ifdef HAVE_SYS_RESOURCE_H
494 #include <sys/resource.h>
498 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
499 AC_RUN_IFELSE(AC_LANG_SOURCE([
500 #ifdef HAVE_SYS_TYPES_H
501 #include <sys/types.h>
503 #ifdef HAVE_SYS_TIME_H
504 #include <sys/time.h>
509 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
510 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
513 if test "$tor_cv_time_t_signed" = cross; then
514 AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
517 if test "$tor_cv_time_t_signed" != no; then
518 AC_DEFINE([TIME_T_IS_SIGNED], 1,
519 [Define to 1 iff time_t is signed])
522 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
523 #ifdef HAVE_SYS_SOCKET_H
524 #include <sys/socket.h>
528 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
530 AC_CHECK_SIZEOF(cell_t)
532 # Now make sure that NULL can be represented as zero bytes.
533 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
534 [AC_RUN_IFELSE([AC_LANG_SOURCE(
535 [[#include <stdlib.h>
541 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
542 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
543 [tor_cv_null_is_zero=yes],
544 [tor_cv_null_is_zero=no],
545 [tor_cv_null_is_zero=cross])])
547 if test "$tor_cv_null_is_zero" = cross ; then
548 # Cross-compiling; let's hope that the target isn't raving mad.
549 AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
552 if test "$tor_cv_null_is_zero" != no; then
553 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
554 [Define to 1 iff memset(0) sets pointers to NULL])
557 # And what happens when we malloc zero?
558 AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
559 [AC_RUN_IFELSE([AC_LANG_SOURCE(
560 [[#include <stdlib.h>
566 int main () { return malloc(0)?0:1; }]])],
567 [tor_cv_malloc_zero_works=yes],
568 [tor_cv_malloc_zero_works=no],
569 [tor_cv_malloc_zero_works=cross])])
571 if test "$tor_cv_malloc_zero_works" = cross; then
572 # Cross-compiling; let's hope that the target isn't raving mad.
573 AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
576 if test "$tor_cv_malloc_zero_works" = yes; then
577 AC_DEFINE([MALLOC_ZERO_WORKS], 1,
578 [Define to 1 iff malloc(0) returns a pointer])
581 # whether we seem to be in a 2s-complement world.
582 AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
583 [AC_RUN_IFELSE([AC_LANG_SOURCE(
584 [[int main () { int problem = ((-99) != (~99)+1);
585 return problem ? 1 : 0; }]])],
586 [tor_cv_twos_complement=yes],
587 [tor_cv_twos_complement=no],
588 [tor_cv_twos_complement=cross])])
590 if test "$tor_cv_twos_complement" = cross ; then
591 # Cross-compiling; let's hope that the target isn't raving mad.
592 AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
595 if test "$tor_cv_twos_complement" != no ; then
596 AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
597 [Define to 1 iff we represent negative integers with two's complement])
600 # Whether we should use the dmalloc memory allocation debugging library.
601 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
603 [ --with-dmalloc Use debug memory allocation library. ],
604 [if [[ "$withval" = "yes" ]]; then
610 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
613 if [[ $dmalloc -eq 1 ]]; then
614 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
615 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
616 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
617 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
618 AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
621 AC_ARG_WITH(tcmalloc,
622 [ --with-tcmalloc Use tcmalloc memory allocation library. ],
623 [ tcmalloc=yes ], [ tcmalloc=no ])
625 if test x$tcmalloc = xyes ; then
626 LDFLAGS="-ltcmalloc $LDFLAGS"
629 # Allow user to specify an alternate syslog facility
630 AC_ARG_WITH(syslog-facility,
631 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
632 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
633 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
634 AC_SUBST(LOGFACILITY)
636 # Check if we have getresuid and getresgid
637 AC_CHECK_FUNCS(getresuid getresgid)
639 # Check for gethostbyname_r in all its glorious incompatible versions.
640 # (This logic is based on that in Python's configure.in)
641 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
642 [Define this if you have any gethostbyname_r()])
644 AC_CHECK_FUNC(gethostbyname_r, [
645 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
647 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
648 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
652 struct hostent *h1, *h2;
654 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
656 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
657 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
658 [Define this if gethostbyname_r takes 6 arguments])
667 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
669 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
670 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
671 [Define this if gethostbyname_r takes 5 arguments])
679 struct hostent_data hd;
680 (void) gethostbyname_r(cp1,h1,&hd);
682 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
683 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
684 [Define this if gethostbyname_r takes 3 arguments])
694 AC_CACHE_CHECK([whether the C compiler supports __func__],
695 tor_cv_have_func_macro,
698 int main(int c, char **v) { puts(__func__); }],
699 tor_cv_have_func_macro=yes,
700 tor_cv_have_func_macro=no))
702 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
703 tor_cv_have_FUNC_macro,
706 int main(int c, char **v) { puts(__FUNC__); }],
707 tor_cv_have_FUNC_macro=yes,
708 tor_cv_have_FUNC_macro=no))
710 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
711 tor_cv_have_FUNCTION_macro,
714 int main(int c, char **v) { puts(__FUNCTION__); }],
715 tor_cv_have_FUNCTION_macro=yes,
716 tor_cv_have_FUNCTION_macro=no))
718 if test "$tor_cv_have_func_macro" = 'yes'; then
719 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
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_FUNCTION_macro" = 'yes'; then
727 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
728 [Defined if the compiler supports __FUNCTION__])
731 # $prefix stores the value of the --prefix command line option, or
732 # NONE if the option wasn't set. In the case that it wasn't set, make
733 # it be the default, so that we can use it to expand directories now.
734 if test "x$prefix" = "xNONE"; then
735 prefix=$ac_default_prefix
738 # and similarly for $exec_prefix
739 if test "x$exec_prefix" = "xNONE"; then
743 if test "x$CONFDIR" = "x"; then
744 CONFDIR=`eval echo $sysconfdir/tor`
747 AH_TEMPLATE([CONFDIR],[tor's configuration directory])
748 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
750 BINDIR=`eval echo $bindir`
752 LOCALSTATEDIR=`eval echo $localstatedir`
753 AC_SUBST(LOCALSTATEDIR)
755 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
756 # than autoconf's macros like.
757 if test "$ac_cv_c_compiler_gnu" = yes; then
758 CFLAGS="$CFLAGS -Wall -g -O2"
760 CFLAGS="$CFLAGS -g -O"
761 enable_gcc_warnings=no
764 # Add some more warnings which we use in development but not in the
765 # released versions. (Some relevant gcc versions can't handle these.)
766 if test x$enable_gcc_warnings = xyes; then
768 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
769 #if !defined(__GNUC__) || (__GNUC__ < 4)
771 #endif]), have_gcc4=yes, have_gcc4=no)
773 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
774 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
776 #endif]), have_gcc42=yes, have_gcc42=no)
778 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
779 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
781 #endif]), have_gcc43=yes, have_gcc43=no)
783 save_CFLAGS="$CFLAGS"
784 CFLAGS="$CFLAGS -Wshorten-64-to-32"
785 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes,
786 have_shorten64_flag=no)
787 CFLAGS="$save_CFLAGS"
789 CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
791 # Disabled, so we can use mallinfo(): -Waggregate-return
793 if test x$have_gcc4 = xyes ; then
794 # These warnings break gcc 3.3.5 and work on gcc 4.0.2
795 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
798 if test x$have_gcc42 = xyes ; then
799 # These warnings break gcc 4.0.2 and work on gcc 4.2
800 # XXXX020 Use -fstack-protector.
801 # XXXX020 See if any of these work with earlier versions.
802 CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1"
803 # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
806 if test x$have_gcc43 = xyes ; then
807 # These warnings break gcc 4.2 and work on gcc 4.3
808 # XXXX020 See if any of these work with earlier versions.
809 CFLAGS="$CFLAGS -Wextra -Warray-bounds"
812 if test x$have_shorten64_flag = xyes ; then
813 CFLAGS="$CFLAGS -Wshorten-64-to-32"
816 ##This will break the world on some 64-bit architectures
817 # CFLAGS="$CFLAGS -Winline"
822 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
824 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])
827 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
828 ./contrib/updateVersions.pl