1 dnl Copyright (c) 2001-2004, Roger Dingledine
2 dnl Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson
3 dnl Copyright (c) 2007-2008, The Tor Project, Inc.
4 dnl See LICENSE for licensing information
7 AM_INIT_AUTOMAKE(tor, 0.2.2.9-alpha-dev)
8 AM_CONFIG_HEADER(orconfig.h)
12 if test -f /etc/redhat-release ; then
13 if test -f /usr/kerberos/include ; then
14 CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
18 # Not a no-op; we want to make sure that CPPFLAGS is set before we use
19 # the += operator on it in src/or/Makefile.am
20 CPPFLAGS="$CPPFLAGS -I\${top_srcdir}/src/common"
22 #XXXX020 We should make these enabled or not, before 0.2.0.x-final
23 AC_ARG_ENABLE(buf-freelists,
24 AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM))
25 AC_ARG_ENABLE(openbsd-malloc,
26 AS_HELP_STRING(--enable-openbsd-malloc, Use malloc code from openbsd. Linux only))
27 AC_ARG_ENABLE(instrument-downloads,
28 AS_HELP_STRING(--enable-instrument-downloads, Instrument downloads of directory resources etc.))
29 AC_ARG_ENABLE(static-openssl,
30 AS_HELP_STRING(--enable-static-openssl, Link against a static openssl library. Requires --with-openssl-dir))
31 AC_ARG_ENABLE(static-libevent,
32 AS_HELP_STRING(--enable-static-libevent, Link against a static libevent library. Requires --with-libevent-dir))
34 if test x$enable_buf_freelists != xno; then
35 AC_DEFINE(ENABLE_BUF_FREELISTS, 1,
36 [Defined if we try to use freelists for buffer RAM chunks])
38 AM_CONDITIONAL(USE_OPENBSD_MALLOC, test x$enable_openbsd_malloc = xyes)
39 if test x$enable_instrument_downloads = xyes; then
40 AC_DEFINE(INSTRUMENT_DOWNLOADS, 1,
41 [Defined if we want to keep track of how much of each kind of resource we download.])
44 AC_ARG_ENABLE(transparent,
45 AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
46 [case "${enableval}" in
47 yes) transparent=true ;;
48 no) transparent=false ;;
49 *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
50 esac], [transparent=true])
52 AC_ARG_ENABLE(threads,
53 AS_HELP_STRING(--disable-threads, disable multi-threading support))
55 if test x$enable_threads = x; then
58 # Don't try multithreading on solaris -- cpuworkers seem to lock.
59 AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
60 cpu workers lock up here, so I will disable threads.])
63 enable_threads="yes";;
67 if test "$enable_threads" = "yes"; then
68 AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
73 AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
77 AC_ARG_ENABLE(gcc-warnings,
78 AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
79 AC_ARG_ENABLE(gcc-warnings-advisory,
80 AS_HELP_STRING(--enable-gcc-warnings-advisory, [enable verbose warnings, excluding -Werror]))
82 AC_ARG_ENABLE(local-appdata,
83 AS_HELP_STRING(--enable-local-appdata, default to host local application data paths on Windows))
84 if test "$enable_local_appdata" = "yes"; then
85 AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
86 [Defined if we default to host local appdata paths on Windows])
94 dnl autoconf 2.59 appears not to support AC_PROG_SED
95 AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
97 dnl check for asciidoc and a2x
98 AC_PATH_PROG([ASCIIDOC], [asciidoc], none)
99 AC_PATH_PROG([A2X], [a2x], none)
101 AC_PATH_PROG([SHA1SUM], [sha1sum], none)
102 AC_PATH_PROG([OPENSSL], [openssl], none)
105 AC_ARG_WITH(tor-user,
106 [ --with-tor-user=NAME Specify username for tor daemon ],
114 AC_ARG_WITH(tor-group,
115 [ --with-tor-group=NAME Specify group name for tor daemon ],
123 dnl If WIN32 is defined and non-zero, we are building for win32
124 AC_MSG_CHECKING([for win32])
126 int main(int c, char **v) {
137 bwin32=true; AC_MSG_RESULT([yes]),
138 bwin32=false; AC_MSG_RESULT([no]),
139 bwin32=cross; AC_MSG_RESULT([cross])
142 if test "$bwin32" = cross; then
143 AC_MSG_CHECKING([for win32 (cross)])
146 int main(int c, char **v) {return 0;}
149 int main(int c, char **v) {return x(y);}
152 bwin32=true; AC_MSG_RESULT([yes]),
153 bwin32=false; AC_MSG_RESULT([no]))
156 if test "$bwin32" = true; then
157 AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
159 AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
161 dnl Enable C99 when compiling with MIPSpro
162 AC_MSG_CHECKING([for MIPSpro compiler])
163 AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
164 #if (defined(__sgi) && defined(_COMPILER_VERSION))
169 bmipspro=false; AC_MSG_RESULT(no),
170 bmipspro=true; AC_MSG_RESULT(yes))
172 if test "$bmipspro" = true; then
173 CFLAGS="$CFLAGS -c99"
178 AC_SEARCH_LIBS(socket, [socket])
179 AC_SEARCH_LIBS(gethostbyname, [nsl])
180 AC_SEARCH_LIBS(dlopen, [dl])
181 AC_SEARCH_LIBS(inet_aton, [resolv])
183 if test "$enable_threads" = "yes"; then
184 AC_SEARCH_LIBS(pthread_create, [pthread])
185 AC_SEARCH_LIBS(pthread_detach, [pthread])
188 dnl -------------------------------------------------------------------
189 dnl Check for functions before libevent, since libevent-1.2 apparently
190 dnl exports strlcpy without defining it in a header.
192 AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull getaddrinfo localtime_r gmtime_r memmem strtok_r writev readv flock prctl)
194 using_custom_malloc=no
195 if test x$enable_openbsd_malloc = xyes ; then
196 AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
197 using_custom_malloc=yes
199 if test x$tcmalloc = xyes ; then
200 using_custom_malloc=yes
202 if test $using_custom_malloc = no ; then
203 AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
206 if test "$enable_threads" = "yes"; then
207 AC_CHECK_HEADERS(pthread.h)
208 AC_CHECK_FUNCS(pthread_create)
211 dnl ------------------------------------------------------
212 dnl Where do you live, libevent? And how do we call you?
214 if test "$bwin32" = true; then
215 TOR_LIB_WS32=-lws2_32
216 # Some of the cargo-cults recommend -lwsock32 as well, but I don't
217 # think it's actually necessary.
223 AC_SUBST(TOR_LIB_WS32)
224 AC_SUBST(TOR_LIB_GDI)
226 dnl We need to do this before we try our disgusting hack below.
227 AC_CHECK_HEADERS([sys/types.h])
229 dnl This is a disgusting hack so we safely include older libevent headers.
230 AC_CHECK_TYPE(u_int64_t, unsigned long long)
231 AC_CHECK_TYPE(u_int32_t, unsigned long)
232 AC_CHECK_TYPE(u_int16_t, unsigned short)
233 AC_CHECK_TYPE(u_int8_t, unsigned char)
235 tor_libevent_pkg_redhat="libevent"
236 tor_libevent_pkg_debian="libevent-dev"
237 tor_libevent_devpkg_redhat="libevent-devel"
238 tor_libevent_devpkg_debian="libevent-dev"
240 TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
242 #include <winsock2.h>
245 #include <sys/time.h>
246 #include <sys/types.h>
247 #include <event.h>], [
249 #include <winsock2.h>
251 void exit(int); void *event_init(void);],
254 {WSADATA d; WSAStartup(0x101,&d); }
256 event_init(); exit(0);
257 ], [--with-libevent-dir], [/opt/libevent])
259 dnl Now check for particular libevent functions.
261 save_LDFLAGS="$LDFLAGS"
262 save_CPPFLAGS="$CPPFLAGS"
263 LIBS="-levent $TOR_LIB_WS32 $LIBS"
264 LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
265 CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
266 AC_CHECK_FUNCS(event_get_version event_get_version_number event_get_method event_set_log_callback evdns_set_outgoing_bind_address event_base_loopexit)
267 AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
271 AC_CHECK_HEADERS(event2/event.h event2/dns.h)
274 LDFLAGS="$save_LDFLAGS"
275 CPPFLAGS="$save_CPPFLAGS"
278 AM_CONDITIONAL(USE_EXTERNAL_EVDNS, test x$ac_cv_header_event2_dns_h = xyes)
280 if test "$enable_static_libevent" = "yes"; then
281 if test "$tor_cv_library_libevent_dir" = "(system)"; then
282 AC_MSG_ERROR("You must specify an explicit --with-libevent-dir=x option when using --enable-static-libevent")
284 TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent.a"
287 TOR_LIBEVENT_LIBS="-levent"
289 AC_SUBST(TOR_LIBEVENT_LIBS)
292 dnl ------------------------------------------------------
293 dnl Where do you live, openssl? And how do we call you?
295 tor_openssl_pkg_redhat="openssl"
296 tor_openssl_pkg_debian="libssl"
297 tor_openssl_devpkg_redhat="openssl-devel"
298 tor_openssl_devpkg_debian="libssl-dev"
300 ALT_openssl_WITHVAL=""
302 [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
304 if test "x$withval" != xno && test "x$withval" != "x" ; then
305 ALT_openssl_WITHVAL="$withval"
309 TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
310 [#include <openssl/rand.h>],
311 [void RAND_add(const void *buf, int num, double entropy);],
312 [RAND_add((void*)0,0,0); exit(0);], [],
313 [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
315 dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
317 echo "tor_cv_library_openssl_dir is $tor_cv_library_openssl_dir"
318 if test "$enable_static_openssl" = "yes"; then
319 if test "$tor_cv_library_openssl_dir" = "(system)"; then
320 AC_MSG_ERROR("You must specify an explicit --with-openssl-dir=x option when using --enable-static-openssl")
322 TOR_OPENSSL_LIBS="$TOR_LIBDIR_openssl/libssl.a $TOR_LIBDIR_openssl/libcrypto.a"
325 TOR_OPENSSL_LIBS="-lssl -lcrypto"
327 AC_SUBST(TOR_OPENSSL_LIBS)
329 dnl ------------------------------------------------------
330 dnl Where do you live, zlib? And how do we call you?
332 tor_openssl_pkg_redhat="zlib"
333 tor_openssl_pkg_debian="zlib1g"
334 tor_openssl_devpkg_redhat="zlib-devel"
335 tor_openssl_devpkg_debian="zlib1g-dev"
337 TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
339 [const char * zlibVersion(void);],
340 [zlibVersion(); exit(0);], [--with-zlib-dir],
343 dnl Make sure to enable support for large off_t if available.
347 AC_CHECK_HEADERS(unistd.h string.h signal.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
349 AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h sys/uio.h)
351 dnl These headers are not essential
353 AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netinet/in6.h malloc.h sys/syslimits.h malloc/malloc.h linux/types.h sys/file.h malloc_np.h sys/prctl.h)
355 TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
356 [#ifdef HAVE_MALLOC_H
359 #ifdef HAVE_MALLOC_MALLOC_H
360 #include <malloc/malloc.h>
363 AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
364 [#ifdef HAVE_SYS_TYPES_H
365 #include <sys/types.h>
367 #ifdef HAVE_SYS_SOCKET_H
368 #include <sys/socket.h>
370 AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
371 [#ifdef HAVE_SYS_TYPES_H
372 #include <sys/types.h>
374 #ifdef HAVE_SYS_SOCKET_H
375 #include <sys/socket.h>
380 AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
381 linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
382 [#ifdef HAVE_SYS_TYPES_H
383 #include <sys/types.h>
385 #ifdef HAVE_SYS_SOCKET_H
386 #include <sys/socket.h>
391 #ifdef HAVE_LINUX_TYPES_H
392 #include <linux/types.h>
394 #ifdef HAVE_NETINET_IN6_H
395 #include <netinet/in6.h>
397 #ifdef HAVE_NETINET_IN_H
398 #include <netinet/in.h>
401 if test x$transparent = xtrue ; then
403 if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
406 if test x$linux_netfilter_ipv4 = x1 ; then
409 if test x$transparent_ok = x1 ; then
410 AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
413 AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
416 AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
420 AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
421 [#ifdef HAVE_SYS_TYPES_H
422 #include <sys/types.h>
424 #ifdef HAVE_SYS_TIME_H
425 #include <sys/time.h>
428 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
431 AC_CHECK_SIZEOF(int8_t)
432 AC_CHECK_SIZEOF(int16_t)
433 AC_CHECK_SIZEOF(int32_t)
434 AC_CHECK_SIZEOF(int64_t)
435 AC_CHECK_SIZEOF(uint8_t)
436 AC_CHECK_SIZEOF(uint16_t)
437 AC_CHECK_SIZEOF(uint32_t)
438 AC_CHECK_SIZEOF(uint64_t)
439 AC_CHECK_SIZEOF(intptr_t)
440 AC_CHECK_SIZEOF(uintptr_t)
442 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
444 AC_CHECK_SIZEOF(char)
445 AC_CHECK_SIZEOF(short)
447 AC_CHECK_SIZEOF(long)
448 AC_CHECK_SIZEOF(long long)
449 AC_CHECK_SIZEOF(__int64)
450 AC_CHECK_SIZEOF(void *)
451 AC_CHECK_SIZEOF(time_t)
452 AC_CHECK_SIZEOF(size_t)
454 AC_CHECK_TYPES([uint, u_char, ssize_t])
456 dnl used to include sockaddr_storage, but everybody has that.
457 AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
458 [#ifdef HAVE_SYS_TYPES_H
459 #include <sys/types.h>
461 #ifdef HAVE_NETINET_IN_H
462 #include <netinet/in.h>
464 #ifdef HAVE_NETINET_IN6_H
465 #include <netinet/in6.h>
467 #ifdef HAVE_SYS_SOCKET_H
468 #include <sys/socket.h>
471 #define WIN32_WINNT 0x400
472 #define _WIN32_WINNT 0x400
473 #define WIN32_LEAN_AND_MEAN
474 #if defined(_MSC_VER) && (_MSC_VER < 1300)
477 #include <winsock2.h>
478 #include <ws2tcpip.h>
482 AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
483 [#ifdef HAVE_SYS_TYPES_H
484 #include <sys/types.h>
486 #ifdef HAVE_NETINET_IN_H
487 #include <netinet/in.h>
489 #ifdef HAVE_NETINET_IN6_H
490 #include <netinet/in6.h>
492 #ifdef HAVE_SYS_SOCKET_H
493 #include <sys/socket.h>
496 #define WIN32_WINNT 0x400
497 #define _WIN32_WINNT 0x400
498 #define WIN32_LEAN_AND_MEAN
499 #if defined(_MSC_VER) && (_MSC_VER < 1300)
502 #include <winsock2.h>
503 #include <ws2tcpip.h>
508 AC_CHECK_TYPES([rlim_t], , ,
509 [#ifdef HAVE_SYS_TYPES_H
510 #include <sys/types.h>
512 #ifdef HAVE_SYS_TIME_H
513 #include <sys/time.h>
515 #ifdef HAVE_SYS_RESOURCE_H
516 #include <sys/resource.h>
520 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
521 AC_RUN_IFELSE(AC_LANG_SOURCE([
522 #ifdef HAVE_SYS_TYPES_H
523 #include <sys/types.h>
525 #ifdef HAVE_SYS_TIME_H
526 #include <sys/time.h>
531 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
532 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
535 if test "$tor_cv_time_t_signed" = cross; then
536 AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
539 if test "$tor_cv_time_t_signed" != no; then
540 AC_DEFINE([TIME_T_IS_SIGNED], 1,
541 [Define to 1 iff time_t is signed])
544 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
545 #ifdef HAVE_SYS_SOCKET_H
546 #include <sys/socket.h>
550 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
552 AC_CHECK_SIZEOF(cell_t)
554 # Now make sure that NULL can be represented as zero bytes.
555 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
556 [AC_RUN_IFELSE([AC_LANG_SOURCE(
557 [[#include <stdlib.h>
563 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
564 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
565 [tor_cv_null_is_zero=yes],
566 [tor_cv_null_is_zero=no],
567 [tor_cv_null_is_zero=cross])])
569 if test "$tor_cv_null_is_zero" = cross ; then
570 # Cross-compiling; let's hope that the target isn't raving mad.
571 AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
574 if test "$tor_cv_null_is_zero" != no; then
575 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
576 [Define to 1 iff memset(0) sets pointers to NULL])
579 # And what happens when we malloc zero?
580 AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
581 [AC_RUN_IFELSE([AC_LANG_SOURCE(
582 [[#include <stdlib.h>
588 int main () { return malloc(0)?0:1; }]])],
589 [tor_cv_malloc_zero_works=yes],
590 [tor_cv_malloc_zero_works=no],
591 [tor_cv_malloc_zero_works=cross])])
593 if test "$tor_cv_malloc_zero_works" = cross; then
594 # Cross-compiling; let's hope that the target isn't raving mad.
595 AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
598 if test "$tor_cv_malloc_zero_works" = yes; then
599 AC_DEFINE([MALLOC_ZERO_WORKS], 1,
600 [Define to 1 iff malloc(0) returns a pointer])
603 # whether we seem to be in a 2s-complement world.
604 AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
605 [AC_RUN_IFELSE([AC_LANG_SOURCE(
606 [[int main () { int problem = ((-99) != (~99)+1);
607 return problem ? 1 : 0; }]])],
608 [tor_cv_twos_complement=yes],
609 [tor_cv_twos_complement=no],
610 [tor_cv_twos_complement=cross])])
612 if test "$tor_cv_twos_complement" = cross ; then
613 # Cross-compiling; let's hope that the target isn't raving mad.
614 AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
617 if test "$tor_cv_twos_complement" != no ; then
618 AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
619 [Define to 1 iff we represent negative integers with two's complement])
622 # Whether we should use the dmalloc memory allocation debugging library.
623 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
625 [ --with-dmalloc Use debug memory allocation library. ],
626 [if [[ "$withval" = "yes" ]]; then
632 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
635 if [[ $dmalloc -eq 1 ]]; then
636 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
637 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
638 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
639 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
640 AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
643 AC_ARG_WITH(tcmalloc,
644 [ --with-tcmalloc Use tcmalloc memory allocation library. ],
645 [ tcmalloc=yes ], [ tcmalloc=no ])
647 if test x$tcmalloc = xyes ; then
648 LDFLAGS="-ltcmalloc $LDFLAGS"
651 # By default, we're going to assume we don't have mlockall()
652 # bionic and other platforms have various broken mlockall subsystems.
653 # Some systems don't have a working mlockall, some aren't linkable,
654 # and some have it but don't declare it.
655 AC_CHECK_FUNCS(mlockall)
656 AC_CHECK_DECLS([mlockall], , , [
657 #ifdef HAVE_SYS_MMAN_H
658 #include <sys/mman.h>
661 # Allow user to specify an alternate syslog facility
662 AC_ARG_WITH(syslog-facility,
663 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
664 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
665 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
666 AC_SUBST(LOGFACILITY)
668 # Check if we have getresuid and getresgid
669 AC_CHECK_FUNCS(getresuid getresgid)
671 # Check for gethostbyname_r in all its glorious incompatible versions.
672 # (This logic is based on that in Python's configure.in)
673 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
674 [Define this if you have any gethostbyname_r()])
676 AC_CHECK_FUNC(gethostbyname_r, [
677 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
679 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
680 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
684 struct hostent *h1, *h2;
686 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
688 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
689 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
690 [Define this if gethostbyname_r takes 6 arguments])
699 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
701 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
702 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
703 [Define this if gethostbyname_r takes 5 arguments])
711 struct hostent_data hd;
712 (void) gethostbyname_r(cp1,h1,&hd);
714 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
715 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
716 [Define this if gethostbyname_r takes 3 arguments])
726 AC_CACHE_CHECK([whether the C compiler supports __func__],
727 tor_cv_have_func_macro,
730 int main(int c, char **v) { puts(__func__); }],
731 tor_cv_have_func_macro=yes,
732 tor_cv_have_func_macro=no))
734 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
735 tor_cv_have_FUNC_macro,
738 int main(int c, char **v) { puts(__FUNC__); }],
739 tor_cv_have_FUNC_macro=yes,
740 tor_cv_have_FUNC_macro=no))
742 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
743 tor_cv_have_FUNCTION_macro,
746 int main(int c, char **v) { puts(__FUNCTION__); }],
747 tor_cv_have_FUNCTION_macro=yes,
748 tor_cv_have_FUNCTION_macro=no))
750 if test "$tor_cv_have_func_macro" = 'yes'; then
751 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
754 if test "$tor_cv_have_FUNC_macro" = 'yes'; then
755 AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
758 if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
759 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
760 [Defined if the compiler supports __FUNCTION__])
763 # $prefix stores the value of the --prefix command line option, or
764 # NONE if the option wasn't set. In the case that it wasn't set, make
765 # it be the default, so that we can use it to expand directories now.
766 if test "x$prefix" = "xNONE"; then
767 prefix=$ac_default_prefix
770 # and similarly for $exec_prefix
771 if test "x$exec_prefix" = "xNONE"; then
775 if test "x$CONFDIR" = "x"; then
776 CONFDIR=`eval echo $sysconfdir/tor`
779 AH_TEMPLATE([CONFDIR],[tor's configuration directory])
780 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
782 BINDIR=`eval echo $bindir`
784 LOCALSTATEDIR=`eval echo $localstatedir`
785 AC_SUBST(LOCALSTATEDIR)
787 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
788 # than autoconf's macros like.
789 if test "$GCC" = yes; then
790 CFLAGS="$CFLAGS -Wall -g -O2"
791 # Disable GCC's strict aliasing checks. They are an hours-to-debug
792 # accident waiting to happen.
793 CFLAGS="$CFLAGS -fno-strict-aliasing"
795 CFLAGS="$CFLAGS -g -O"
796 enable_gcc_warnings=no
797 enable_gcc_warnings_advisory=no
800 # Add some more warnings which we use in development but not in the
801 # released versions. (Some relevant gcc versions can't handle these.)
802 if test x$enable_gcc_warnings = xyes || test x$enable_gcc_warnings_advisory = xyes; then
804 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
805 #if !defined(__GNUC__) || (__GNUC__ < 4)
807 #endif]), have_gcc4=yes, have_gcc4=no)
809 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
810 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
812 #endif]), have_gcc42=yes, have_gcc42=no)
814 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
815 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
817 #endif]), have_gcc43=yes, have_gcc43=no)
819 save_CFLAGS="$CFLAGS"
820 CFLAGS="$CFLAGS -Wshorten-64-to-32"
821 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes,
822 have_shorten64_flag=no)
823 CFLAGS="$save_CFLAGS"
825 CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum"
826 if test x$enable_gcc_warnings = xyes; then
827 CFLAGS="$CFLAGS -Werror"
830 # Disabled, so we can use mallinfo(): -Waggregate-return
832 if test x$have_gcc4 = xyes ; then
833 # These warnings break gcc 3.3.5 and work on gcc 4.0.2
834 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
837 if test x$have_gcc42 = xyes ; then
838 # These warnings break gcc 4.0.2 and work on gcc 4.2
839 # XXXX020 Use -fstack-protector.
840 # XXXX020 See if any of these work with earlier versions.
841 CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1"
842 # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
845 if test x$have_gcc43 = xyes ; then
846 # These warnings break gcc 4.2 and work on gcc 4.3
847 # XXXX020 See if any of these work with earlier versions.
848 CFLAGS="$CFLAGS -Wextra -Warray-bounds"
851 if test x$have_shorten64_flag = xyes ; then
852 CFLAGS="$CFLAGS -Wshorten-64-to-32"
855 ##This will break the world on some 64-bit architectures
856 # CFLAGS="$CFLAGS -Winline"
861 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
863 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 src/Makefile doc/Makefile doc/spec/Makefile src/config/Makefile src/common/Makefile src/or/Makefile src/test/Makefile src/win32/Makefile src/tools/Makefile contrib/suse/Makefile contrib/suse/tor.sh])
866 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
867 ./contrib/updateVersions.pl