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(asciidoc,
53 AS_HELP_STRING(--disable-asciidoc, don't use asciidoc (disables building of manpages)),
54 [case "${enableval}" in
57 *) AC_MSG_ERROR(bad value for --disable-asciidoc) ;;
58 esac], [asciidoc=true])
61 AC_ARG_ENABLE(threads,
62 AS_HELP_STRING(--disable-threads, disable multi-threading support))
64 if test x$enable_threads = x; then
67 # Don't try multithreading on solaris -- cpuworkers seem to lock.
68 AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
69 cpu workers lock up here, so I will disable threads.])
72 enable_threads="yes";;
76 if test "$enable_threads" = "yes"; then
77 AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
82 AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
86 AC_ARG_ENABLE(gcc-warnings,
87 AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
88 AC_ARG_ENABLE(gcc-warnings-advisory,
89 AS_HELP_STRING(--enable-gcc-warnings-advisory, [enable verbose warnings, excluding -Werror]))
91 AC_ARG_ENABLE(local-appdata,
92 AS_HELP_STRING(--enable-local-appdata, default to host local application data paths on Windows))
93 if test "$enable_local_appdata" = "yes"; then
94 AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
95 [Defined if we default to host local appdata paths on Windows])
103 dnl autoconf 2.59 appears not to support AC_PROG_SED
104 AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
106 dnl check for asciidoc and a2x
107 AC_PATH_PROG([ASCIIDOC], [asciidoc], none)
108 AC_PATH_PROG([A2X], [a2x], none)
109 AC_PATH_PROG([XSLTPROC], [xsltproc], none)
110 if test x$asciidoc = xtrue ; then
111 if test x$ASCIIDOC = xnone ; then
112 AC_MSG_ERROR("Couldn't find asciidoc. reconfigure with --disable-asciidoc to build without asciidoc.")
114 if test x$A2X = xnone ; then
115 AC_MSG_ERROR("Couldn't find a2x. reconfigure with --disable-asciidoc to build without a2x.")
117 if test x$XSLTPROC = xnone ; then
118 AC_MSG_ERROR("Couldn't find xsltproc. reconfigure with --disable-asciidoc to build without xsltproc.")
122 AM_CONDITIONAL(USE_ASCIIDOC, test x$asciidoc = xtrue)
124 AC_PATH_PROG([SHA1SUM], [sha1sum], none)
125 AC_PATH_PROG([OPENSSL], [openssl], none)
128 AC_ARG_WITH(tor-user,
129 [ --with-tor-user=NAME Specify username for tor daemon ],
137 AC_ARG_WITH(tor-group,
138 [ --with-tor-group=NAME Specify group name for tor daemon ],
146 dnl If WIN32 is defined and non-zero, we are building for win32
147 AC_MSG_CHECKING([for win32])
149 int main(int c, char **v) {
160 bwin32=true; AC_MSG_RESULT([yes]),
161 bwin32=false; AC_MSG_RESULT([no]),
162 bwin32=cross; AC_MSG_RESULT([cross])
165 if test "$bwin32" = cross; then
166 AC_MSG_CHECKING([for win32 (cross)])
169 int main(int c, char **v) {return 0;}
172 int main(int c, char **v) {return x(y);}
175 bwin32=true; AC_MSG_RESULT([yes]),
176 bwin32=false; AC_MSG_RESULT([no]))
179 if test "$bwin32" = true; then
180 AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
182 AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
184 dnl Enable C99 when compiling with MIPSpro
185 AC_MSG_CHECKING([for MIPSpro compiler])
186 AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
187 #if (defined(__sgi) && defined(_COMPILER_VERSION))
192 bmipspro=false; AC_MSG_RESULT(no),
193 bmipspro=true; AC_MSG_RESULT(yes))
195 if test "$bmipspro" = true; then
196 CFLAGS="$CFLAGS -c99"
201 AC_SEARCH_LIBS(socket, [socket])
202 AC_SEARCH_LIBS(gethostbyname, [nsl])
203 AC_SEARCH_LIBS(dlopen, [dl])
204 AC_SEARCH_LIBS(inet_aton, [resolv])
206 if test "$enable_threads" = "yes"; then
207 AC_SEARCH_LIBS(pthread_create, [pthread])
208 AC_SEARCH_LIBS(pthread_detach, [pthread])
211 dnl -------------------------------------------------------------------
212 dnl Check for functions before libevent, since libevent-1.2 apparently
213 dnl exports strlcpy without defining it in a header.
215 AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull getaddrinfo localtime_r gmtime_r memmem strtok_r writev readv flock prctl)
217 using_custom_malloc=no
218 if test x$enable_openbsd_malloc = xyes ; then
219 AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
220 using_custom_malloc=yes
222 if test x$tcmalloc = xyes ; then
223 using_custom_malloc=yes
225 if test $using_custom_malloc = no ; then
226 AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
229 if test "$enable_threads" = "yes"; then
230 AC_CHECK_HEADERS(pthread.h)
231 AC_CHECK_FUNCS(pthread_create)
234 dnl ------------------------------------------------------
235 dnl Where do you live, libevent? And how do we call you?
237 if test "$bwin32" = true; then
238 TOR_LIB_WS32=-lws2_32
239 # Some of the cargo-cults recommend -lwsock32 as well, but I don't
240 # think it's actually necessary.
246 AC_SUBST(TOR_LIB_WS32)
247 AC_SUBST(TOR_LIB_GDI)
249 dnl We need to do this before we try our disgusting hack below.
250 AC_CHECK_HEADERS([sys/types.h])
252 dnl This is a disgusting hack so we safely include older libevent headers.
253 AC_CHECK_TYPE(u_int64_t, unsigned long long)
254 AC_CHECK_TYPE(u_int32_t, unsigned long)
255 AC_CHECK_TYPE(u_int16_t, unsigned short)
256 AC_CHECK_TYPE(u_int8_t, unsigned char)
258 tor_libevent_pkg_redhat="libevent"
259 tor_libevent_pkg_debian="libevent-dev"
260 tor_libevent_devpkg_redhat="libevent-devel"
261 tor_libevent_devpkg_debian="libevent-dev"
263 TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
265 #include <winsock2.h>
268 #include <sys/time.h>
269 #include <sys/types.h>
270 #include <event.h>], [
272 #include <winsock2.h>
274 void exit(int); void *event_init(void);],
277 {WSADATA d; WSAStartup(0x101,&d); }
279 event_init(); exit(0);
280 ], [--with-libevent-dir], [/opt/libevent])
282 dnl Now check for particular libevent functions.
284 save_LDFLAGS="$LDFLAGS"
285 save_CPPFLAGS="$CPPFLAGS"
286 LIBS="-levent $TOR_LIB_WS32 $LIBS"
287 LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
288 CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
289 AC_CHECK_FUNCS(event_get_version event_get_version_number event_get_method event_set_log_callback evdns_set_outgoing_bind_address event_base_loopexit)
290 AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
294 AC_CHECK_HEADERS(event2/event.h event2/dns.h)
297 LDFLAGS="$save_LDFLAGS"
298 CPPFLAGS="$save_CPPFLAGS"
301 AM_CONDITIONAL(USE_EXTERNAL_EVDNS, test x$ac_cv_header_event2_dns_h = xyes)
303 if test "$enable_static_libevent" = "yes"; then
304 if test "$tor_cv_library_libevent_dir" = "(system)"; then
305 AC_MSG_ERROR("You must specify an explicit --with-libevent-dir=x option when using --enable-static-libevent")
307 TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent.a"
310 TOR_LIBEVENT_LIBS="-levent"
312 AC_SUBST(TOR_LIBEVENT_LIBS)
315 dnl ------------------------------------------------------
316 dnl Where do you live, openssl? And how do we call you?
318 tor_openssl_pkg_redhat="openssl"
319 tor_openssl_pkg_debian="libssl"
320 tor_openssl_devpkg_redhat="openssl-devel"
321 tor_openssl_devpkg_debian="libssl-dev"
323 ALT_openssl_WITHVAL=""
325 [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
327 if test "x$withval" != xno && test "x$withval" != "x" ; then
328 ALT_openssl_WITHVAL="$withval"
332 TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
333 [#include <openssl/rand.h>],
334 [void RAND_add(const void *buf, int num, double entropy);],
335 [RAND_add((void*)0,0,0); exit(0);], [],
336 [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
338 dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
340 echo "tor_cv_library_openssl_dir is $tor_cv_library_openssl_dir"
341 if test "$enable_static_openssl" = "yes"; then
342 if test "$tor_cv_library_openssl_dir" = "(system)"; then
343 AC_MSG_ERROR("You must specify an explicit --with-openssl-dir=x option when using --enable-static-openssl")
345 TOR_OPENSSL_LIBS="$TOR_LIBDIR_openssl/libssl.a $TOR_LIBDIR_openssl/libcrypto.a"
348 TOR_OPENSSL_LIBS="-lssl -lcrypto"
350 AC_SUBST(TOR_OPENSSL_LIBS)
352 dnl ------------------------------------------------------
353 dnl Where do you live, zlib? And how do we call you?
355 tor_openssl_pkg_redhat="zlib"
356 tor_openssl_pkg_debian="zlib1g"
357 tor_openssl_devpkg_redhat="zlib-devel"
358 tor_openssl_devpkg_debian="zlib1g-dev"
360 TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
362 [const char * zlibVersion(void);],
363 [zlibVersion(); exit(0);], [--with-zlib-dir],
366 dnl Make sure to enable support for large off_t if available.
370 AC_CHECK_HEADERS(unistd.h string.h signal.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
372 AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h sys/uio.h)
374 dnl These headers are not essential
376 AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netinet/in6.h malloc.h sys/syslimits.h malloc/malloc.h linux/types.h sys/file.h malloc_np.h sys/prctl.h)
378 TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
379 [#ifdef HAVE_MALLOC_H
382 #ifdef HAVE_MALLOC_MALLOC_H
383 #include <malloc/malloc.h>
386 AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
387 [#ifdef HAVE_SYS_TYPES_H
388 #include <sys/types.h>
390 #ifdef HAVE_SYS_SOCKET_H
391 #include <sys/socket.h>
393 AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
394 [#ifdef HAVE_SYS_TYPES_H
395 #include <sys/types.h>
397 #ifdef HAVE_SYS_SOCKET_H
398 #include <sys/socket.h>
403 AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
404 linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
405 [#ifdef HAVE_SYS_TYPES_H
406 #include <sys/types.h>
408 #ifdef HAVE_SYS_SOCKET_H
409 #include <sys/socket.h>
414 #ifdef HAVE_LINUX_TYPES_H
415 #include <linux/types.h>
417 #ifdef HAVE_NETINET_IN6_H
418 #include <netinet/in6.h>
420 #ifdef HAVE_NETINET_IN_H
421 #include <netinet/in.h>
424 if test x$transparent = xtrue ; then
426 if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
429 if test x$linux_netfilter_ipv4 = x1 ; then
432 if test x$transparent_ok = x1 ; then
433 AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
436 AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
439 AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
443 AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
444 [#ifdef HAVE_SYS_TYPES_H
445 #include <sys/types.h>
447 #ifdef HAVE_SYS_TIME_H
448 #include <sys/time.h>
451 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
454 AC_CHECK_SIZEOF(int8_t)
455 AC_CHECK_SIZEOF(int16_t)
456 AC_CHECK_SIZEOF(int32_t)
457 AC_CHECK_SIZEOF(int64_t)
458 AC_CHECK_SIZEOF(uint8_t)
459 AC_CHECK_SIZEOF(uint16_t)
460 AC_CHECK_SIZEOF(uint32_t)
461 AC_CHECK_SIZEOF(uint64_t)
462 AC_CHECK_SIZEOF(intptr_t)
463 AC_CHECK_SIZEOF(uintptr_t)
465 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
467 AC_CHECK_SIZEOF(char)
468 AC_CHECK_SIZEOF(short)
470 AC_CHECK_SIZEOF(long)
471 AC_CHECK_SIZEOF(long long)
472 AC_CHECK_SIZEOF(__int64)
473 AC_CHECK_SIZEOF(void *)
474 AC_CHECK_SIZEOF(time_t)
475 AC_CHECK_SIZEOF(size_t)
477 AC_CHECK_TYPES([uint, u_char, ssize_t])
479 dnl used to include sockaddr_storage, but everybody has that.
480 AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
481 [#ifdef HAVE_SYS_TYPES_H
482 #include <sys/types.h>
484 #ifdef HAVE_NETINET_IN_H
485 #include <netinet/in.h>
487 #ifdef HAVE_NETINET_IN6_H
488 #include <netinet/in6.h>
490 #ifdef HAVE_SYS_SOCKET_H
491 #include <sys/socket.h>
494 #define WIN32_WINNT 0x400
495 #define _WIN32_WINNT 0x400
496 #define WIN32_LEAN_AND_MEAN
497 #if defined(_MSC_VER) && (_MSC_VER < 1300)
500 #include <winsock2.h>
501 #include <ws2tcpip.h>
505 AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
506 [#ifdef HAVE_SYS_TYPES_H
507 #include <sys/types.h>
509 #ifdef HAVE_NETINET_IN_H
510 #include <netinet/in.h>
512 #ifdef HAVE_NETINET_IN6_H
513 #include <netinet/in6.h>
515 #ifdef HAVE_SYS_SOCKET_H
516 #include <sys/socket.h>
519 #define WIN32_WINNT 0x400
520 #define _WIN32_WINNT 0x400
521 #define WIN32_LEAN_AND_MEAN
522 #if defined(_MSC_VER) && (_MSC_VER < 1300)
525 #include <winsock2.h>
526 #include <ws2tcpip.h>
531 AC_CHECK_TYPES([rlim_t], , ,
532 [#ifdef HAVE_SYS_TYPES_H
533 #include <sys/types.h>
535 #ifdef HAVE_SYS_TIME_H
536 #include <sys/time.h>
538 #ifdef HAVE_SYS_RESOURCE_H
539 #include <sys/resource.h>
543 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
544 AC_RUN_IFELSE(AC_LANG_SOURCE([
545 #ifdef HAVE_SYS_TYPES_H
546 #include <sys/types.h>
548 #ifdef HAVE_SYS_TIME_H
549 #include <sys/time.h>
554 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
555 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
558 if test "$tor_cv_time_t_signed" = cross; then
559 AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
562 if test "$tor_cv_time_t_signed" != no; then
563 AC_DEFINE([TIME_T_IS_SIGNED], 1,
564 [Define to 1 iff time_t is signed])
567 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
568 #ifdef HAVE_SYS_SOCKET_H
569 #include <sys/socket.h>
573 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
575 AC_CHECK_SIZEOF(cell_t)
577 # Now make sure that NULL can be represented as zero bytes.
578 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
579 [AC_RUN_IFELSE([AC_LANG_SOURCE(
580 [[#include <stdlib.h>
586 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
587 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
588 [tor_cv_null_is_zero=yes],
589 [tor_cv_null_is_zero=no],
590 [tor_cv_null_is_zero=cross])])
592 if test "$tor_cv_null_is_zero" = cross ; then
593 # Cross-compiling; let's hope that the target isn't raving mad.
594 AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
597 if test "$tor_cv_null_is_zero" != no; then
598 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
599 [Define to 1 iff memset(0) sets pointers to NULL])
602 # And what happens when we malloc zero?
603 AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
604 [AC_RUN_IFELSE([AC_LANG_SOURCE(
605 [[#include <stdlib.h>
611 int main () { return malloc(0)?0:1; }]])],
612 [tor_cv_malloc_zero_works=yes],
613 [tor_cv_malloc_zero_works=no],
614 [tor_cv_malloc_zero_works=cross])])
616 if test "$tor_cv_malloc_zero_works" = cross; then
617 # Cross-compiling; let's hope that the target isn't raving mad.
618 AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
621 if test "$tor_cv_malloc_zero_works" = yes; then
622 AC_DEFINE([MALLOC_ZERO_WORKS], 1,
623 [Define to 1 iff malloc(0) returns a pointer])
626 # whether we seem to be in a 2s-complement world.
627 AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
628 [AC_RUN_IFELSE([AC_LANG_SOURCE(
629 [[int main () { int problem = ((-99) != (~99)+1);
630 return problem ? 1 : 0; }]])],
631 [tor_cv_twos_complement=yes],
632 [tor_cv_twos_complement=no],
633 [tor_cv_twos_complement=cross])])
635 if test "$tor_cv_twos_complement" = cross ; then
636 # Cross-compiling; let's hope that the target isn't raving mad.
637 AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
640 if test "$tor_cv_twos_complement" != no ; then
641 AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
642 [Define to 1 iff we represent negative integers with two's complement])
645 # Whether we should use the dmalloc memory allocation debugging library.
646 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
648 [ --with-dmalloc Use debug memory allocation library. ],
649 [if [[ "$withval" = "yes" ]]; then
655 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
658 if [[ $dmalloc -eq 1 ]]; then
659 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
660 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
661 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
662 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
663 AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
666 AC_ARG_WITH(tcmalloc,
667 [ --with-tcmalloc Use tcmalloc memory allocation library. ],
668 [ tcmalloc=yes ], [ tcmalloc=no ])
670 if test x$tcmalloc = xyes ; then
671 LDFLAGS="-ltcmalloc $LDFLAGS"
674 # By default, we're going to assume we don't have mlockall()
675 # bionic and other platforms have various broken mlockall subsystems.
676 # Some systems don't have a working mlockall, some aren't linkable,
677 # and some have it but don't declare it.
678 AC_CHECK_FUNCS(mlockall)
679 AC_CHECK_DECLS([mlockall], , , [
680 #ifdef HAVE_SYS_MMAN_H
681 #include <sys/mman.h>
684 # Allow user to specify an alternate syslog facility
685 AC_ARG_WITH(syslog-facility,
686 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
687 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
688 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
689 AC_SUBST(LOGFACILITY)
691 # Check if we have getresuid and getresgid
692 AC_CHECK_FUNCS(getresuid getresgid)
694 # Check for gethostbyname_r in all its glorious incompatible versions.
695 # (This logic is based on that in Python's configure.in)
696 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
697 [Define this if you have any gethostbyname_r()])
699 AC_CHECK_FUNC(gethostbyname_r, [
700 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
702 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
703 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
707 struct hostent *h1, *h2;
709 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
711 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
712 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
713 [Define this if gethostbyname_r takes 6 arguments])
722 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
724 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
725 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
726 [Define this if gethostbyname_r takes 5 arguments])
734 struct hostent_data hd;
735 (void) gethostbyname_r(cp1,h1,&hd);
737 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
738 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
739 [Define this if gethostbyname_r takes 3 arguments])
749 AC_CACHE_CHECK([whether the C compiler supports __func__],
750 tor_cv_have_func_macro,
753 int main(int c, char **v) { puts(__func__); }],
754 tor_cv_have_func_macro=yes,
755 tor_cv_have_func_macro=no))
757 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
758 tor_cv_have_FUNC_macro,
761 int main(int c, char **v) { puts(__FUNC__); }],
762 tor_cv_have_FUNC_macro=yes,
763 tor_cv_have_FUNC_macro=no))
765 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
766 tor_cv_have_FUNCTION_macro,
769 int main(int c, char **v) { puts(__FUNCTION__); }],
770 tor_cv_have_FUNCTION_macro=yes,
771 tor_cv_have_FUNCTION_macro=no))
773 if test "$tor_cv_have_func_macro" = 'yes'; then
774 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
777 if test "$tor_cv_have_FUNC_macro" = 'yes'; then
778 AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
781 if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
782 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
783 [Defined if the compiler supports __FUNCTION__])
786 # $prefix stores the value of the --prefix command line option, or
787 # NONE if the option wasn't set. In the case that it wasn't set, make
788 # it be the default, so that we can use it to expand directories now.
789 if test "x$prefix" = "xNONE"; then
790 prefix=$ac_default_prefix
793 # and similarly for $exec_prefix
794 if test "x$exec_prefix" = "xNONE"; then
798 if test "x$CONFDIR" = "x"; then
799 CONFDIR=`eval echo $sysconfdir/tor`
802 AH_TEMPLATE([CONFDIR],[tor's configuration directory])
803 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
805 BINDIR=`eval echo $bindir`
807 LOCALSTATEDIR=`eval echo $localstatedir`
808 AC_SUBST(LOCALSTATEDIR)
810 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
811 # than autoconf's macros like.
812 if test "$GCC" = yes; then
813 CFLAGS="$CFLAGS -Wall -g -O2"
814 # Disable GCC's strict aliasing checks. They are an hours-to-debug
815 # accident waiting to happen.
816 CFLAGS="$CFLAGS -fno-strict-aliasing"
818 CFLAGS="$CFLAGS -g -O"
819 enable_gcc_warnings=no
820 enable_gcc_warnings_advisory=no
823 # Add some more warnings which we use in development but not in the
824 # released versions. (Some relevant gcc versions can't handle these.)
825 if test x$enable_gcc_warnings = xyes || test x$enable_gcc_warnings_advisory = xyes; then
827 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
828 #if !defined(__GNUC__) || (__GNUC__ < 4)
830 #endif]), have_gcc4=yes, have_gcc4=no)
832 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
833 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
835 #endif]), have_gcc42=yes, have_gcc42=no)
837 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
838 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
840 #endif]), have_gcc43=yes, have_gcc43=no)
842 save_CFLAGS="$CFLAGS"
843 CFLAGS="$CFLAGS -Wshorten-64-to-32"
844 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes,
845 have_shorten64_flag=no)
846 CFLAGS="$save_CFLAGS"
848 CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum"
849 if test x$enable_gcc_warnings = xyes; then
850 CFLAGS="$CFLAGS -Werror"
853 # Disabled, so we can use mallinfo(): -Waggregate-return
855 if test x$have_gcc4 = xyes ; then
856 # These warnings break gcc 3.3.5 and work on gcc 4.0.2
857 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
860 if test x$have_gcc42 = xyes ; then
861 # These warnings break gcc 4.0.2 and work on gcc 4.2
862 # XXXX020 Use -fstack-protector.
863 # XXXX020 See if any of these work with earlier versions.
864 CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1"
865 # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
868 if test x$have_gcc43 = xyes ; then
869 # These warnings break gcc 4.2 and work on gcc 4.3
870 # XXXX020 See if any of these work with earlier versions.
871 CFLAGS="$CFLAGS -Wextra -Warray-bounds"
874 if test x$have_shorten64_flag = xyes ; then
875 CFLAGS="$CFLAGS -Wshorten-64-to-32"
878 ##This will break the world on some 64-bit architectures
879 # CFLAGS="$CFLAGS -Winline"
884 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
886 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])
889 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
890 ./contrib/updateVersions.pl