2 dnl Copyright (c) 2001-2004, Roger Dingledine
3 dnl Copyright (c) 2004-2007, Roger Dingledine, Nick Mathewson
4 dnl See LICENSE for licensing information
7 AM_INIT_AUTOMAKE(tor, 0.2.0.15-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../common"
23 AS_HELP_STRING(--enable-debug, compile with debugging info),
24 [if test x$enableval = xyes; then
28 #XXXX ideally, we should make this into a no-op, and detect whether we're
29 #compiling for the iphone by using $target.
31 AS_HELP_STRING(--enable-iphone, compile with iPhone support),
32 [if test x$enableval = xyes ; then
34 CFLAGS="$CFLAGS -D__DARWIN_UNIX03 -DIPHONE"
37 AC_ARG_ENABLE(cell-pool,
38 AS_HELP_STRING(--disable-cell-pool, disable pool allocator for cells))
40 if test x$enable_cell_pool != xno; then
41 AC_DEFINE(ENABLE_CELL_POOL, 1,
42 [Defined if we try to use the pool allocator for queued cells])
45 AC_ARG_ENABLE(transparent,
46 AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
47 [case "${enableval}" in
48 yes) transparent=true ;;
49 no) transparent=false ;;
50 *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
51 esac], [transparent=true])
53 AC_ARG_ENABLE(threads,
54 AS_HELP_STRING(--disable-threads, disable multi-threading support))
56 if test x$enable_threads = x; then
59 # Don't try multithreading on solaris -- cpuworkers seem to lock.
60 AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
61 cpu workers lock up here, so I will disable threads.])
64 enable_threads="yes";;
68 if test "$enable_threads" = "yes"; then
69 AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
74 AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
78 AC_ARG_ENABLE(gcc-warnings,
79 AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
88 [ --with-tor-user=NAME Specify username for tor daemon ],
96 AC_ARG_WITH(tor-group,
97 [ --with-tor-group=NAME Specify group name for tor daemon ],
105 dnl If WIN32 is defined and non-zero, we are building for win32
106 AC_MSG_CHECKING([for win32])
108 int main(int c, char **v) {
119 bwin32=true; AC_MSG_RESULT([yes]),
120 bwin32=false; AC_MSG_RESULT([no]),
121 bwin32=cross; AC_MSG_RESULT([cross])
124 if test "$bwin32" = cross; then
125 AC_MSG_CHECKING([for win32 (cross)])
128 int main(int c, char **v) {return 0;}
131 int main(int c, char **v) {return x(y);}
134 bwin32=true; AC_MSG_RESULT([yes]),
135 bwin32=false; AC_MSG_RESULT([no]))
138 if test "$bwin32" = true; then
139 AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
141 AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
143 dnl Enable C99 when compiling with MIPSpro
144 AC_MSG_CHECKING([for MIPSpro compiler])
145 AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
146 #if (defined(__sgi) && defined(_COMPILER_VERSION))
151 bmipspro=false; AC_MSG_RESULT(no),
152 bmipspro=true; AC_MSG_RESULT(yes))
154 if test "$bmipspro" = true; then
155 CFLAGS="$CFLAGS -c99"
160 AC_SEARCH_LIBS(socket, [socket])
161 AC_SEARCH_LIBS(gethostbyname, [nsl])
162 AC_SEARCH_LIBS(dlopen, [dl])
163 AC_SEARCH_LIBS(inet_aton, [resolv])
165 if test "$enable_threads" = "yes"; then
166 AC_SEARCH_LIBS(pthread_create, [pthread])
167 AC_SEARCH_LIBS(pthread_detach, [pthread])
170 dnl -------------------------------------------------------------------
171 dnl Check for functions before libevent, since libevent-1.2 apparently
172 dnl exports strlcpy without defining it in a header.
174 AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull ftello getaddrinfo localtime_r gmtime_r memmem strtok_r inet_pton inet_ntop mallinfo malloc_good_size malloc_usable_size)
176 if test "$enable_threads" = "yes"; then
177 AC_CHECK_HEADERS(pthread.h)
178 AC_CHECK_FUNCS(pthread_create)
181 dnl ------------------------------------------------------
182 dnl Where do you live, libevent? And how do we call you?
184 if test "$bwin32" = true; then
185 TOR_LIB_WS32=-lws2_32
186 # Some of the cargo-cults recommend -lwsock32 as well, but I don't
187 # think it's actually necessary.
193 AC_SUBST(TOR_LIB_WS32)
194 AC_SUBST(TOR_LIB_GDI)
196 dnl We need to do this before we try our disgusting hack below.
197 AC_CHECK_HEADERS([sys/types.h])
199 dnl This is a disgusting hack so we safely include older libevent headers.
200 AC_CHECK_TYPE(u_int64_t, unsigned long long)
201 AC_CHECK_TYPE(u_int32_t, unsigned long)
202 AC_CHECK_TYPE(u_int16_t, unsigned short)
203 AC_CHECK_TYPE(u_int8_t, unsigned char)
205 tor_libevent_pkg_redhat="libevent"
206 tor_libevent_pkg_debian="libevent-dev"
207 tor_libevent_devpkg_redhat="libevent-devel"
208 tor_libevent_devpkg_debian="libevent-dev"
210 TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
212 #include <sys/time.h>
213 #include <sys/types.h>
214 #include <event.h>], [void exit(int); void *event_init(void);],
215 [event_init(); exit(0);], [--with-libevent-dir], [/opt/libevent])
217 dnl Now check for particular libevent functions.
219 save_LDFLAGS="$LDFLAGS"
220 save_CPPFLAGS="$CPPFLAGS"
221 LIBS="-levent $TOR_LIB_WS32 $LIBS"
222 LDFLAGS="$TOR_LDFLAGS_libevent $LIBS"
223 CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
224 AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
226 LDFLAGS="$save_LDFLAGS"
227 CPPFLAGS="$save_CPPFLAGS"
229 dnl ------------------------------------------------------
230 dnl Where do you live, openssl? And how do we call you?
232 tor_openssl_pkg_redhat="openssl"
233 tor_openssl_pkg_debian="libssl"
234 tor_openssl_devpkg_redhat="openssl-devel"
235 tor_openssl_devpkg_debian="libssl-dev"
237 TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
238 [#include <openssl/rand.h>],
239 [void RAND_add(const void *buf, int num, double entropy);],
240 [RAND_add((void*)0,0,0); exit(0);], [--with-ssl-dir],
241 [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
243 dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
245 dnl ------------------------------------------------------
246 dnl Where do you live, zlib? And how do we call you?
248 tor_openssl_pkg_redhat="zlib"
249 tor_openssl_pkg_debian="zlib1g"
250 tor_openssl_devpkg_redhat="zlib-devel"
251 tor_openssl_devpkg_debian="zlib1g-dev"
253 TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
255 [const char * zlibVersion(void);],
256 [zlibVersion(); exit(0);], [--with-zlib-dir],
259 dnl Make sure to enable support for large off_t if available.
263 AC_CHECK_HEADERS(unistd.h string.h signal.h ctype.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
265 AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h)
267 dnl These headers are not essential
269 AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netintet/in.h netinet/in6.h malloc.h sys/syslimits.h malloc/malloc.h)
271 AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
272 [#ifdef HAVE_SYS_TYPES_H
273 #include <sys/types.h>
275 #ifdef HAVE_SYS_SOCKET_H
276 #include <sys/socket.h>
278 AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
279 [#ifdef HAVE_SYS_TYPES_H
280 #include <sys/types.h>
282 #ifdef HAVE_SYS_SOCKET_H
283 #include <sys/socket.h>
288 AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
289 linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
290 [#ifdef HAVE_SYS_TYPES_H
291 #include <sys/types.h>
293 #ifdef HAVE_SYS_SOCKET_H
294 #include <sys/socket.h>
297 if test x$transparent = xtrue ; then
299 if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
302 if test x$linux_netfilter_ipv4 = x1 ; then
305 if test x$transparent_ok = x1 ; then
306 AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
309 AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
312 AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
318 AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
319 [#ifdef HAVE_SYS_TYPES_H
320 #include <sys/types.h>
322 #ifdef HAVE_SYS_TIME_H
323 #include <sys/time.h>
326 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
329 AC_CHECK_SIZEOF(int8_t)
330 AC_CHECK_SIZEOF(int16_t)
331 AC_CHECK_SIZEOF(int32_t)
332 AC_CHECK_SIZEOF(int64_t)
333 AC_CHECK_SIZEOF(uint8_t)
334 AC_CHECK_SIZEOF(uint16_t)
335 AC_CHECK_SIZEOF(uint32_t)
336 AC_CHECK_SIZEOF(uint64_t)
337 AC_CHECK_SIZEOF(intptr_t)
338 AC_CHECK_SIZEOF(uintptr_t)
340 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
342 AC_CHECK_SIZEOF(char)
343 AC_CHECK_SIZEOF(short)
345 AC_CHECK_SIZEOF(long)
346 AC_CHECK_SIZEOF(long long)
347 AC_CHECK_SIZEOF(__int64)
348 AC_CHECK_SIZEOF(void *)
349 AC_CHECK_SIZEOF(time_t)
350 AC_CHECK_SIZEOF(size_t)
352 AC_CHECK_TYPES([uint, u_char])
354 AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, struct sockaddr_storage, sa_family_t], , ,
355 [#ifdef HAVE_SYS_TYPES_H
356 #include <sys/types.h>
358 #ifdef HAVE_NETINET_IN_H
359 #include <netinet/in.h>
361 #ifdef HAVE_NETINET_IN6_H
362 #include <netinet/in6.h>
364 #ifdef HAVE_SYS_SOCKET_H
365 #include <sys/socket.h>
368 #define WIN32_WINNT 0x400
369 #define _WIN32_WINNT 0x400
370 #define WIN32_LEAN_AND_MEAN
371 #if defined(_MSC_VER) && (_MSC_VER < 1300)
374 #include <winsock2.h>
375 #include <ws2tcpip.h>
379 AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16], , ,
380 [#ifdef HAVE_SYS_TYPES_H
381 #include <sys/types.h>
383 #ifdef HAVE_NETINET_IN_H
384 #include <netinet/in.h>
386 #ifdef HAVE_NETINET_IN6_H
387 #include <netinet/in6.h>
389 #ifdef HAVE_SYS_SOCKET_H
390 #include <sys/socket.h>
393 #define WIN32_WINNT 0x400
394 #define _WIN32_WINNT 0x400
395 #define WIN32_LEAN_AND_MEAN
396 #if defined(_MSC_VER) && (_MSC_VER < 1300)
399 #include <winsock2.h>
400 #include <ws2tcpip.h>
405 AC_CHECK_TYPES([rlim_t], , ,
406 [#ifdef HAVE_SYS_TYPES_H
407 #include <sys/types.h>
409 #ifdef HAVE_SYS_TIME_H
410 #include <sys/time.h>
412 #ifdef HAVE_SYS_RESOURCE_H
413 #include <sys/resource.h>
417 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
418 AC_RUN_IFELSE(AC_LANG_SOURCE([
419 #ifdef HAVE_SYS_TYPES_H
420 #include <sys/types.h>
422 #ifdef HAVE_SYS_TIME_H
423 #include <sys/time.h>
428 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
429 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
432 if test "$tor_cv_time_t_signed" = cross; then
433 AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
436 if test "$tor_cv_time_t_signed" != no; then
437 AC_DEFINE([TIME_T_IS_SIGNED], 1,
438 [Define to 1 iff time_t is signed])
441 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
442 #ifdef HAVE_SYS_SOCKET_H
443 #include <sys/socket.h>
447 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
449 AC_CHECK_SIZEOF(cell_t)
451 # Now make sure that NULL can be represented as zero bytes.
452 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
453 [AC_RUN_IFELSE([AC_LANG_SOURCE(
454 [[#include <stdlib.h>
460 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
461 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
462 [tor_cv_null_is_zero=yes],
463 [tor_cv_null_is_zero=no],
464 [tor_cv_null_is_zero=cross])])
466 if test "$tor_cv_null_is_zero" = cross ; then
467 # Cross-compiling; let's hope that the target isn't raving mad.
468 AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
471 if test "$tor_cv_null_is_zero" != no; then
472 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
473 [Define to 1 iff memset(0) sets pointers to NULL])
476 # And what happens when we malloc zero?
477 AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
478 [AC_RUN_IFELSE([AC_LANG_SOURCE(
479 [[#include <stdlib.h>
485 int main () { return malloc(0)?0:1; }]])],
486 [tor_cv_malloc_zero_works=yes],
487 [tor_cv_malloc_zero_works=no],
488 [tor_cv_malloc_zero_works=cross])])
490 if test "$tor_cv_malloc_zero_works" = cross; then
491 # Cross-compiling; let's hope that the target isn't raving mad.
492 AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
495 if test "$tor_cv_malloc_zero_works" = yes; then
496 AC_DEFINE([MALLOC_ZERO_WORKS], 1,
497 [Define to 1 iff malloc(0) returns a pointer])
500 # whether we seem to be in a 2s-complement world.
501 AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
502 [AC_RUN_IFELSE([AC_LANG_SOURCE(
503 [[int main () { int problem = ((-99) != (~99)+1);
504 return problem ? 1 : 0; }]])],
505 [tor_cv_twos_complement=yes],
506 [tor_cv_twos_complement=no],
507 [tor_cv_twos_complement=cross])])
509 if test "$tor_cv_twos_complement" = cross ; then
510 # Cross-compiling; let's hope that the target isn't raving mad.
511 AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
514 if test "$tor_cv_twos_complement" != no ; then
515 AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
516 [Define to 1 iff we represent negative integers with two's complement])
519 # Whether we should use the dmalloc memory allocation debugging library.
520 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
522 [ --with-dmalloc Use debug memory allocation library. ],
523 [if [[ "$withval" = "yes" ]]; then
529 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
532 if [[ $dmalloc -eq 1 ]]; then
533 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
534 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
535 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
536 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
537 AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
540 # Allow user to specify an alternate syslog facility
541 AC_ARG_WITH(syslog-facility,
542 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
543 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
544 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
545 AC_SUBST(LOGFACILITY)
547 # Check for gethostbyname_r in all its glorious incompatible versions.
548 # (This logic is based on that in Python's configure.in)
549 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
550 [Define this if you have any gethostbyname_r()])
552 AC_CHECK_FUNC(gethostbyname_r, [
553 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
555 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
556 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
560 struct hostent *h1, *h2;
562 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
564 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
565 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
566 [Define this if gethostbyname_r takes 6 arguments])
575 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
577 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
578 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
579 [Define this if gethostbyname_r takes 5 arguments])
587 struct hostent_data hd;
588 (void) gethostbyname_r(cp1,h1,&hd);
590 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
591 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
592 [Define this if gethostbyname_r takes 3 arguments])
602 AC_CACHE_CHECK([whether the C compiler supports __func__],
603 tor_cv_have_func_macro,
606 int main(int c, char **v) { puts(__func__); }],
607 tor_cv_have_func_macro=yes,
608 tor_cv_have_func_macro=no))
610 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
611 tor_cv_have_FUNC_macro,
614 int main(int c, char **v) { puts(__FUNC__); }],
615 tor_cv_have_FUNC_macro=yes,
616 tor_cv_have_FUNC_macro=no))
618 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
619 tor_cv_have_FUNCTION_macro,
622 int main(int c, char **v) { puts(__FUNCTION__); }],
623 tor_cv_have_FUNCTION_macro=yes,
624 tor_cv_have_FUNCTION_macro=no))
626 if test "$tor_cv_have_func_macro" = 'yes'; then
627 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
630 if test "$tor_cv_have_FUNC_macro" = 'yes'; then
631 AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
634 if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
635 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
636 [Defined if the compiler supports __FUNCTION__])
639 # $prefix stores the value of the --prefix command line option, or
640 # NONE if the option wasn't set. In the case that it wasn't set, make
641 # it be the default, so that we can use it to expand directories now.
642 if test "x$prefix" = "xNONE"; then
643 prefix=$ac_default_prefix
646 # and similarly for $exec_prefix
647 if test "x$exec_prefix" = "xNONE"; then
651 if test "x$CONFDIR" = "x"; then
652 CONFDIR=`eval echo $sysconfdir/tor`
655 AH_TEMPLATE([CONFDIR],[tor's configuration directory])
656 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
658 BINDIR=`eval echo $bindir`
660 LOCALSTATEDIR=`eval echo $localstatedir`
661 AC_SUBST(LOCALSTATEDIR)
663 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
664 # than autoconf's macros like.
665 if test "$ac_cv_c_compiler_gnu" = yes; then
666 CFLAGS="$CFLAGS -Wall -g -O2"
668 CFLAGS="$CFLAGS -g -O"
669 enable_gcc_warnings=no
672 # Add some more warnings which we use in development but not in the
673 # released versions. (Some relevant gcc versions can't handle these.)
674 if test x$enable_gcc_warnings = xyes; then
676 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
677 #if !defined(__GNUC__) || (__GNUC__ < 4)
679 #endif]), have_gcc4=yes, have_gcc4=no)
681 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
682 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
684 #endif]), have_gcc42=yes, have_gcc42=no)
686 CFLAGS="$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"
687 # Disabled, so we can use mallinfo(): -Waggregate-return
689 if test x$have_gcc4 = xyes ; then
690 # These warnings break gcc 3.3.5 and work on gcc 4.0.2
691 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
694 if test x$have_gcc42 = xyes ; then
695 # These warnings break gcc 4.0.2 and work on gcc 4.2
696 # XXXX020 Use -fstack-protector.
697 # XXXX020 See if any of these work with earlier versions.
698 CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=5"
701 ##This will break the world on some 64-bit architectures
702 # CFLAGS="$CFLAGS -Winline"
706 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
708 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])
711 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
712 ./contrib/updateVersions.pl