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, 0.2.0.19-alpha)
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="$CFLAGS -D__DARWIN_UNIX03 -DIPHONE"
38 #XXXX020 We should make these enabled or not, before 0.2.0.x-final
39 AC_ARG_ENABLE(cell-pool,
40 AS_HELP_STRING(--disable-cell-pool, disable pool allocator for cells))
41 AC_ARG_ENABLE(buf-freelists,
42 AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM))
44 if test x$enable_cell_pool != xno; then
45 AC_DEFINE(ENABLE_CELL_POOL, 1,
46 [Defined if we try to use the pool allocator for queued cells])
48 if test x$enable_buf_freelists != xno; then
49 AC_DEFINE(ENABLE_BUF_FREELISTS, 1,
50 [Defined if we try to use freelists for buffer RAM chunks])
53 AC_ARG_ENABLE(transparent,
54 AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
55 [case "${enableval}" in
56 yes) transparent=true ;;
57 no) transparent=false ;;
58 *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
59 esac], [transparent=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))
96 [ --with-tor-user=NAME Specify username for tor daemon ],
104 AC_ARG_WITH(tor-group,
105 [ --with-tor-group=NAME Specify group name for tor daemon ],
113 dnl If WIN32 is defined and non-zero, we are building for win32
114 AC_MSG_CHECKING([for win32])
116 int main(int c, char **v) {
127 bwin32=true; AC_MSG_RESULT([yes]),
128 bwin32=false; AC_MSG_RESULT([no]),
129 bwin32=cross; AC_MSG_RESULT([cross])
132 if test "$bwin32" = cross; then
133 AC_MSG_CHECKING([for win32 (cross)])
136 int main(int c, char **v) {return 0;}
139 int main(int c, char **v) {return x(y);}
142 bwin32=true; AC_MSG_RESULT([yes]),
143 bwin32=false; AC_MSG_RESULT([no]))
146 if test "$bwin32" = true; then
147 AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
149 AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
151 dnl Enable C99 when compiling with MIPSpro
152 AC_MSG_CHECKING([for MIPSpro compiler])
153 AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
154 #if (defined(__sgi) && defined(_COMPILER_VERSION))
159 bmipspro=false; AC_MSG_RESULT(no),
160 bmipspro=true; AC_MSG_RESULT(yes))
162 if test "$bmipspro" = true; then
163 CFLAGS="$CFLAGS -c99"
168 AC_SEARCH_LIBS(socket, [socket])
169 AC_SEARCH_LIBS(gethostbyname, [nsl])
170 AC_SEARCH_LIBS(dlopen, [dl])
171 AC_SEARCH_LIBS(inet_aton, [resolv])
173 if test "$enable_threads" = "yes"; then
174 AC_SEARCH_LIBS(pthread_create, [pthread])
175 AC_SEARCH_LIBS(pthread_detach, [pthread])
178 dnl -------------------------------------------------------------------
179 dnl Check for functions before libevent, since libevent-1.2 apparently
180 dnl exports strlcpy without defining it in a header.
182 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)
184 if test "$enable_threads" = "yes"; then
185 AC_CHECK_HEADERS(pthread.h)
186 AC_CHECK_FUNCS(pthread_create)
189 dnl ------------------------------------------------------
190 dnl Where do you live, libevent? And how do we call you?
192 if test "$bwin32" = true; then
193 TOR_LIB_WS32=-lws2_32
194 # Some of the cargo-cults recommend -lwsock32 as well, but I don't
195 # think it's actually necessary.
201 AC_SUBST(TOR_LIB_WS32)
202 AC_SUBST(TOR_LIB_GDI)
204 dnl We need to do this before we try our disgusting hack below.
205 AC_CHECK_HEADERS([sys/types.h])
207 dnl This is a disgusting hack so we safely include older libevent headers.
208 AC_CHECK_TYPE(u_int64_t, unsigned long long)
209 AC_CHECK_TYPE(u_int32_t, unsigned long)
210 AC_CHECK_TYPE(u_int16_t, unsigned short)
211 AC_CHECK_TYPE(u_int8_t, unsigned char)
213 tor_libevent_pkg_redhat="libevent"
214 tor_libevent_pkg_debian="libevent-dev"
215 tor_libevent_devpkg_redhat="libevent-devel"
216 tor_libevent_devpkg_debian="libevent-dev"
218 TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
220 #include <sys/time.h>
221 #include <sys/types.h>
222 #include <event.h>], [void exit(int); void *event_init(void);],
223 [event_init(); exit(0);], [--with-libevent-dir], [/opt/libevent])
225 dnl Now check for particular libevent functions.
227 save_LDFLAGS="$LDFLAGS"
228 save_CPPFLAGS="$CPPFLAGS"
229 LIBS="-levent $TOR_LIB_WS32 $LIBS"
230 LDFLAGS="$TOR_LDFLAGS_libevent $LIBS"
231 CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
232 AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
234 LDFLAGS="$save_LDFLAGS"
235 CPPFLAGS="$save_CPPFLAGS"
237 dnl ------------------------------------------------------
238 dnl Where do you live, openssl? And how do we call you?
240 tor_openssl_pkg_redhat="openssl"
241 tor_openssl_pkg_debian="libssl"
242 tor_openssl_devpkg_redhat="openssl-devel"
243 tor_openssl_devpkg_debian="libssl-dev"
245 TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
246 [#include <openssl/rand.h>],
247 [void RAND_add(const void *buf, int num, double entropy);],
248 [RAND_add((void*)0,0,0); exit(0);], [--with-ssl-dir],
249 [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
251 dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
253 dnl ------------------------------------------------------
254 dnl Where do you live, zlib? And how do we call you?
256 tor_openssl_pkg_redhat="zlib"
257 tor_openssl_pkg_debian="zlib1g"
258 tor_openssl_devpkg_redhat="zlib-devel"
259 tor_openssl_devpkg_debian="zlib1g-dev"
261 TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
263 [const char * zlibVersion(void);],
264 [zlibVersion(); exit(0);], [--with-zlib-dir],
267 dnl Make sure to enable support for large off_t if available.
271 AC_CHECK_HEADERS(unistd.h string.h signal.h ctype.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
273 AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h)
275 dnl These headers are not essential
277 AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netintet/in.h netinet/in6.h malloc.h sys/syslimits.h malloc/malloc.h)
279 TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
280 [#ifdef HAVE_MALLOC_H
283 #ifdef HAVE_MALLOC_MALLOC_H
284 #include <malloc/malloc.h>
287 AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
288 [#ifdef HAVE_SYS_TYPES_H
289 #include <sys/types.h>
291 #ifdef HAVE_SYS_SOCKET_H
292 #include <sys/socket.h>
294 AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
295 [#ifdef HAVE_SYS_TYPES_H
296 #include <sys/types.h>
298 #ifdef HAVE_SYS_SOCKET_H
299 #include <sys/socket.h>
304 AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
305 linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
306 [#ifdef HAVE_SYS_TYPES_H
307 #include <sys/types.h>
309 #ifdef HAVE_SYS_SOCKET_H
310 #include <sys/socket.h>
313 if test x$transparent = xtrue ; then
315 if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
318 if test x$linux_netfilter_ipv4 = x1 ; then
321 if test x$transparent_ok = x1 ; then
322 AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
325 AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
328 AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
334 AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
335 [#ifdef HAVE_SYS_TYPES_H
336 #include <sys/types.h>
338 #ifdef HAVE_SYS_TIME_H
339 #include <sys/time.h>
342 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
345 AC_CHECK_SIZEOF(int8_t)
346 AC_CHECK_SIZEOF(int16_t)
347 AC_CHECK_SIZEOF(int32_t)
348 AC_CHECK_SIZEOF(int64_t)
349 AC_CHECK_SIZEOF(uint8_t)
350 AC_CHECK_SIZEOF(uint16_t)
351 AC_CHECK_SIZEOF(uint32_t)
352 AC_CHECK_SIZEOF(uint64_t)
353 AC_CHECK_SIZEOF(intptr_t)
354 AC_CHECK_SIZEOF(uintptr_t)
356 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
358 AC_CHECK_SIZEOF(char)
359 AC_CHECK_SIZEOF(short)
361 AC_CHECK_SIZEOF(long)
362 AC_CHECK_SIZEOF(long long)
363 AC_CHECK_SIZEOF(__int64)
364 AC_CHECK_SIZEOF(void *)
365 AC_CHECK_SIZEOF(time_t)
366 AC_CHECK_SIZEOF(size_t)
368 AC_CHECK_TYPES([uint, u_char])
370 AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, struct sockaddr_storage, sa_family_t], , ,
371 [#ifdef HAVE_SYS_TYPES_H
372 #include <sys/types.h>
374 #ifdef HAVE_NETINET_IN_H
375 #include <netinet/in.h>
377 #ifdef HAVE_NETINET_IN6_H
378 #include <netinet/in6.h>
380 #ifdef HAVE_SYS_SOCKET_H
381 #include <sys/socket.h>
384 #define WIN32_WINNT 0x400
385 #define _WIN32_WINNT 0x400
386 #define WIN32_LEAN_AND_MEAN
387 #if defined(_MSC_VER) && (_MSC_VER < 1300)
390 #include <winsock2.h>
391 #include <ws2tcpip.h>
395 AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16], , ,
396 [#ifdef HAVE_SYS_TYPES_H
397 #include <sys/types.h>
399 #ifdef HAVE_NETINET_IN_H
400 #include <netinet/in.h>
402 #ifdef HAVE_NETINET_IN6_H
403 #include <netinet/in6.h>
405 #ifdef HAVE_SYS_SOCKET_H
406 #include <sys/socket.h>
409 #define WIN32_WINNT 0x400
410 #define _WIN32_WINNT 0x400
411 #define WIN32_LEAN_AND_MEAN
412 #if defined(_MSC_VER) && (_MSC_VER < 1300)
415 #include <winsock2.h>
416 #include <ws2tcpip.h>
421 AC_CHECK_TYPES([rlim_t], , ,
422 [#ifdef HAVE_SYS_TYPES_H
423 #include <sys/types.h>
425 #ifdef HAVE_SYS_TIME_H
426 #include <sys/time.h>
428 #ifdef HAVE_SYS_RESOURCE_H
429 #include <sys/resource.h>
433 AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
434 AC_RUN_IFELSE(AC_LANG_SOURCE([
435 #ifdef HAVE_SYS_TYPES_H
436 #include <sys/types.h>
438 #ifdef HAVE_SYS_TIME_H
439 #include <sys/time.h>
444 int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
445 tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
448 if test "$tor_cv_time_t_signed" = cross; then
449 AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
452 if test "$tor_cv_time_t_signed" != no; then
453 AC_DEFINE([TIME_T_IS_SIGNED], 1,
454 [Define to 1 iff time_t is signed])
457 AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
458 #ifdef HAVE_SYS_SOCKET_H
459 #include <sys/socket.h>
463 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
465 AC_CHECK_SIZEOF(cell_t)
467 # Now make sure that NULL can be represented as zero bytes.
468 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
469 [AC_RUN_IFELSE([AC_LANG_SOURCE(
470 [[#include <stdlib.h>
476 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
477 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
478 [tor_cv_null_is_zero=yes],
479 [tor_cv_null_is_zero=no],
480 [tor_cv_null_is_zero=cross])])
482 if test "$tor_cv_null_is_zero" = cross ; then
483 # Cross-compiling; let's hope that the target isn't raving mad.
484 AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
487 if test "$tor_cv_null_is_zero" != no; then
488 AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
489 [Define to 1 iff memset(0) sets pointers to NULL])
492 # And what happens when we malloc zero?
493 AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
494 [AC_RUN_IFELSE([AC_LANG_SOURCE(
495 [[#include <stdlib.h>
501 int main () { return malloc(0)?0:1; }]])],
502 [tor_cv_malloc_zero_works=yes],
503 [tor_cv_malloc_zero_works=no],
504 [tor_cv_malloc_zero_works=cross])])
506 if test "$tor_cv_malloc_zero_works" = cross; then
507 # Cross-compiling; let's hope that the target isn't raving mad.
508 AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
511 if test "$tor_cv_malloc_zero_works" = yes; then
512 AC_DEFINE([MALLOC_ZERO_WORKS], 1,
513 [Define to 1 iff malloc(0) returns a pointer])
516 # whether we seem to be in a 2s-complement world.
517 AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
518 [AC_RUN_IFELSE([AC_LANG_SOURCE(
519 [[int main () { int problem = ((-99) != (~99)+1);
520 return problem ? 1 : 0; }]])],
521 [tor_cv_twos_complement=yes],
522 [tor_cv_twos_complement=no],
523 [tor_cv_twos_complement=cross])])
525 if test "$tor_cv_twos_complement" = cross ; then
526 # Cross-compiling; let's hope that the target isn't raving mad.
527 AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
530 if test "$tor_cv_twos_complement" != no ; then
531 AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
532 [Define to 1 iff we represent negative integers with two's complement])
535 # Whether we should use the dmalloc memory allocation debugging library.
536 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
538 [ --with-dmalloc Use debug memory allocation library. ],
539 [if [[ "$withval" = "yes" ]]; then
545 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
548 if [[ $dmalloc -eq 1 ]]; then
549 AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
550 AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
551 AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
552 AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
553 AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
556 # Allow user to specify an alternate syslog facility
557 AC_ARG_WITH(syslog-facility,
558 [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
559 syslog_facility="$withval", syslog_facility="LOG_DAEMON")
560 AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
561 AC_SUBST(LOGFACILITY)
563 # Check for gethostbyname_r in all its glorious incompatible versions.
564 # (This logic is based on that in Python's configure.in)
565 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
566 [Define this if you have any gethostbyname_r()])
568 AC_CHECK_FUNC(gethostbyname_r, [
569 AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
571 CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
572 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
576 struct hostent *h1, *h2;
578 (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
580 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
581 AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
582 [Define this if gethostbyname_r takes 6 arguments])
591 (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
593 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
594 AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
595 [Define this if gethostbyname_r takes 5 arguments])
603 struct hostent_data hd;
604 (void) gethostbyname_r(cp1,h1,&hd);
606 AC_DEFINE(HAVE_GETHOSTBYNAME_R)
607 AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
608 [Define this if gethostbyname_r takes 3 arguments])
618 AC_CACHE_CHECK([whether the C compiler supports __func__],
619 tor_cv_have_func_macro,
622 int main(int c, char **v) { puts(__func__); }],
623 tor_cv_have_func_macro=yes,
624 tor_cv_have_func_macro=no))
626 AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
627 tor_cv_have_FUNC_macro,
630 int main(int c, char **v) { puts(__FUNC__); }],
631 tor_cv_have_FUNC_macro=yes,
632 tor_cv_have_FUNC_macro=no))
634 AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
635 tor_cv_have_FUNCTION_macro,
638 int main(int c, char **v) { puts(__FUNCTION__); }],
639 tor_cv_have_FUNCTION_macro=yes,
640 tor_cv_have_FUNCTION_macro=no))
642 if test "$tor_cv_have_func_macro" = 'yes'; then
643 AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
646 if test "$tor_cv_have_FUNC_macro" = 'yes'; then
647 AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
650 if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
651 AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
652 [Defined if the compiler supports __FUNCTION__])
655 # $prefix stores the value of the --prefix command line option, or
656 # NONE if the option wasn't set. In the case that it wasn't set, make
657 # it be the default, so that we can use it to expand directories now.
658 if test "x$prefix" = "xNONE"; then
659 prefix=$ac_default_prefix
662 # and similarly for $exec_prefix
663 if test "x$exec_prefix" = "xNONE"; then
667 if test "x$CONFDIR" = "x"; then
668 CONFDIR=`eval echo $sysconfdir/tor`
671 AH_TEMPLATE([CONFDIR],[tor's configuration directory])
672 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
674 BINDIR=`eval echo $bindir`
676 LOCALSTATEDIR=`eval echo $localstatedir`
677 AC_SUBST(LOCALSTATEDIR)
679 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
680 # than autoconf's macros like.
681 if test "$ac_cv_c_compiler_gnu" = yes; then
682 CFLAGS="$CFLAGS -Wall -g -O2"
684 CFLAGS="$CFLAGS -g -O"
685 enable_gcc_warnings=no
688 # Add some more warnings which we use in development but not in the
689 # released versions. (Some relevant gcc versions can't handle these.)
690 if test x$enable_gcc_warnings = xyes; then
692 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
693 #if !defined(__GNUC__) || (__GNUC__ < 4)
695 #endif]), have_gcc4=yes, have_gcc4=no)
697 AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
698 #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
700 #endif]), have_gcc42=yes, have_gcc42=no)
702 CFLAGS="$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"
703 # Disabled, so we can use mallinfo(): -Waggregate-return
705 if test x$have_gcc4 = xyes ; then
706 # These warnings break gcc 3.3.5 and work on gcc 4.0.2
707 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
710 if test x$have_gcc42 = xyes ; then
711 # These warnings break gcc 4.0.2 and work on gcc 4.2
712 # XXXX020 Use -fstack-protector.
713 # XXXX020 See if any of these work with earlier versions.
714 CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=5"
717 ##This will break the world on some 64-bit architectures
718 # CFLAGS="$CFLAGS -Winline"
722 CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
724 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])
727 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
728 ./contrib/updateVersions.pl