configure.in 26.6 KB
Newer Older
Roger Dingledine's avatar
Roger Dingledine committed
1
dnl Copyright (c) 2001-2004, Roger Dingledine
2
3
dnl Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson
dnl Copyright (c) 2007-2008, The Tor Project, Inc.
Nick Mathewson's avatar
Nick Mathewson committed
4
dnl See LICENSE for licensing information
5
6

AC_INIT
Roger Dingledine's avatar
Roger Dingledine committed
7
AM_INIT_AUTOMAKE(tor, 0.2.2.10-alpha-dev)
8
AM_CONFIG_HEADER(orconfig.h)
9

10
11
AC_CANONICAL_HOST

12
if test -f /etc/redhat-release ; then
13
  if test -f /usr/kerberos/include ; then
14
    CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
15
  fi
16
fi
17

18
19
# Not a no-op; we want to make sure that CPPFLAGS is set before we use
# the += operator on it in src/or/Makefile.am
20
CPPFLAGS="$CPPFLAGS -I\${top_srcdir}/src/common"
21

22
23
24
#XXXX020 We should make these enabled or not, before 0.2.0.x-final
AC_ARG_ENABLE(buf-freelists,
   AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM))
25
26
AC_ARG_ENABLE(openbsd-malloc,
   AS_HELP_STRING(--enable-openbsd-malloc, Use malloc code from openbsd.  Linux only))
27
28
AC_ARG_ENABLE(instrument-downloads,
   AS_HELP_STRING(--enable-instrument-downloads, Instrument downloads of directory resources etc.))
29
30
31
32
AC_ARG_ENABLE(static-openssl,
   AS_HELP_STRING(--enable-static-openssl, Link against a static openssl library. Requires --with-openssl-dir))
AC_ARG_ENABLE(static-libevent,
   AS_HELP_STRING(--enable-static-libevent, Link against a static libevent library. Requires --with-libevent-dir))
33

34
35
36
37
if test x$enable_buf_freelists != xno; then
  AC_DEFINE(ENABLE_BUF_FREELISTS, 1,
            [Defined if we try to use freelists for buffer RAM chunks])
fi
38
AM_CONDITIONAL(USE_OPENBSD_MALLOC, test x$enable_openbsd_malloc = xyes)
39
if test x$enable_instrument_downloads = xyes; then
40
41
42
  AC_DEFINE(INSTRUMENT_DOWNLOADS, 1,
            [Defined if we want to keep track of how much of each kind of resource we download.])
fi
43

44
AC_ARG_ENABLE(transparent,
45
     AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
46
47
48
49
50
51
     [case "${enableval}" in
        yes) transparent=true ;;
        no)  transparent=false ;;
        *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
      esac], [transparent=true])

52
53
54
55
56
57
58
59
60
AC_ARG_ENABLE(asciidoc,
     AS_HELP_STRING(--disable-asciidoc, don't use asciidoc (disables building of manpages)),
     [case "${enableval}" in
        yes) asciidoc=true ;;
        no)  asciidoc=false ;;
        *) AC_MSG_ERROR(bad value for --disable-asciidoc) ;;
      esac], [asciidoc=true])


Nick Mathewson's avatar
Nick Mathewson committed
61
AC_ARG_ENABLE(threads,
62
     AS_HELP_STRING(--disable-threads, disable multi-threading support))
Nick Mathewson's avatar
Nick Mathewson committed
63
64

if test x$enable_threads = x; then
65
   case $host in
66
67
68
69
70
    *-*-solaris* )
     # Don't try multithreading on solaris -- cpuworkers seem to lock.
     AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
cpu workers lock up here, so I will disable threads.])
     enable_threads="no";;
Nick Mathewson's avatar
Nick Mathewson committed
71
72
73
74
75
    *)
     enable_threads="yes";;
   esac
fi

76
if test "$enable_threads" = "yes"; then
Nick Mathewson's avatar
Nick Mathewson committed
77
78
79
  AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
fi

80
81
82
83
84
85
case $host in
   *-*-solaris* )
     AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
     ;;
esac

86
AC_ARG_ENABLE(gcc-warnings,
87
     AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
88
89
AC_ARG_ENABLE(gcc-warnings-advisory,
     AS_HELP_STRING(--enable-gcc-warnings-advisory, [enable verbose warnings, excluding -Werror]))
90

91
92
93
94
95
96
97
AC_ARG_ENABLE(local-appdata,
   AS_HELP_STRING(--enable-local-appdata, default to host local application data paths on Windows))
if test "$enable_local_appdata" = "yes"; then
  AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
            [Defined if we default to host local appdata paths on Windows])
fi

98
AC_PROG_CC
99
AC_PROG_CPP
100
101
AC_PROG_MAKE_SET
AC_PROG_RANLIB
102
103
104

dnl autoconf 2.59 appears not to support AC_PROG_SED
AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
105

106
107
108
dnl check for asciidoc and a2x
AC_PATH_PROG([ASCIIDOC], [asciidoc], none)
AC_PATH_PROG([A2X], [a2x], none)
109
110

AM_CONDITIONAL(USE_ASCIIDOC, test x$asciidoc = xtrue)
111

112
113
AC_PATH_PROG([SHA1SUM], [sha1sum], none)
AC_PATH_PROG([OPENSSL], [openssl], none)
114

115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
TORUSER=_tor
AC_ARG_WITH(tor-user,
        [  --with-tor-user=NAME    Specify username for tor daemon ],
        [
           TORUSER=$withval
        ]
)
AC_SUBST(TORUSER)

TORGROUP=_tor
AC_ARG_WITH(tor-group,
        [  --with-tor-group=NAME   Specify group name for tor daemon ],
        [
           TORGROUP=$withval
        ]
)
AC_SUBST(TORGROUP)

133
134
135

dnl If WIN32 is defined and non-zero, we are building for win32
AC_MSG_CHECKING([for win32])
136
137
AC_RUN_IFELSE([
int main(int c, char **v) {
138
139
140
141
142
143
144
145
146
147
148
#ifdef WIN32
#if WIN32
  return 0;
#else
  return 1;
#endif
#else
  return 2;
#endif
}],
bwin32=true; AC_MSG_RESULT([yes]),
149
150
bwin32=false; AC_MSG_RESULT([no]),
bwin32=cross; AC_MSG_RESULT([cross])
151
152
)

153
if test "$bwin32" = cross; then
154
155
156
157
158
159
160
161
162
163
164
165
166
AC_MSG_CHECKING([for win32 (cross)])
AC_COMPILE_IFELSE([
#ifdef WIN32
int main(int c, char **v) {return 0;}
#else
#error
int main(int c, char **v) {return x(y);}
#endif
],
bwin32=true; AC_MSG_RESULT([yes]),
bwin32=false; AC_MSG_RESULT([no]))
fi

167
if test "$bwin32" = true; then
168
169
AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
fi
170
AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
171

172
173
dnl Enable C99 when compiling with MIPSpro
AC_MSG_CHECKING([for MIPSpro compiler])
174
AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
175
176
177
178
#if (defined(__sgi) && defined(_COMPILER_VERSION))
#error
  return x(y);
#endif
179
180
181
]),
bmipspro=false; AC_MSG_RESULT(no),
bmipspro=true; AC_MSG_RESULT(yes))
182

183
if test "$bmipspro" = true; then
184
185
186
  CFLAGS="$CFLAGS -c99"
fi

187
188
AC_C_BIGENDIAN

189
AC_SEARCH_LIBS(socket, [socket])
190
AC_SEARCH_LIBS(gethostbyname, [nsl])
191
AC_SEARCH_LIBS(dlopen, [dl])
192
AC_SEARCH_LIBS(inet_aton, [resolv])
193

194
if test "$enable_threads" = "yes"; then
195
196
197
  AC_SEARCH_LIBS(pthread_create, [pthread])
  AC_SEARCH_LIBS(pthread_detach, [pthread])
fi
198

199
200
201
202
dnl -------------------------------------------------------------------
dnl Check for functions before libevent, since libevent-1.2 apparently
dnl exports strlcpy without defining it in a header.

203
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 vasprintf)
204
205
206
207
208
209
210
211
212
213
214
215

using_custom_malloc=no
if test x$enable_openbsd_malloc = xyes ; then
   AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
   using_custom_malloc=yes
fi
if test x$tcmalloc = xyes ; then
   using_custom_malloc=yes
fi
if test $using_custom_malloc = no ; then
   AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
fi
216

217
if test "$enable_threads" = "yes"; then
218
219
220
221
  AC_CHECK_HEADERS(pthread.h)
  AC_CHECK_FUNCS(pthread_create)
fi

222
dnl ------------------------------------------------------
223
dnl Where do you live, libevent?  And how do we call you?
224

225
if test "$bwin32" = true; then
226
227
228
  TOR_LIB_WS32=-lws2_32
  # Some of the cargo-cults recommend -lwsock32 as well, but I don't
  # think it's actually necessary.
229
  TOR_LIB_GDI=-lgdi32
Nick Mathewson's avatar
   
Nick Mathewson committed
230
else
231
232
  TOR_LIB_WS32=
  TOR_LIB_GDI=
Nick Mathewson's avatar
   
Nick Mathewson committed
233
fi
234
235
AC_SUBST(TOR_LIB_WS32)
AC_SUBST(TOR_LIB_GDI)
Nick Mathewson's avatar
   
Nick Mathewson committed
236

237
238
239
240
dnl We need to do this before we try our disgusting hack below.
AC_CHECK_HEADERS([sys/types.h])

dnl This is a disgusting hack so we safely include older libevent headers.
241
242
243
244
245
AC_CHECK_TYPE(u_int64_t, unsigned long long)
AC_CHECK_TYPE(u_int32_t, unsigned long)
AC_CHECK_TYPE(u_int16_t, unsigned short)
AC_CHECK_TYPE(u_int8_t, unsigned char)

246
tor_libevent_pkg_redhat="libevent"
247
tor_libevent_pkg_debian="libevent-dev"
248
249
250
tor_libevent_devpkg_redhat="libevent-devel"
tor_libevent_devpkg_debian="libevent-dev"

251
TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
252
253
254
#ifdef WIN32
#include <winsock2.h>
#endif
255
#include <stdlib.h>
256
#include <sys/time.h>
Roger Dingledine's avatar
Roger Dingledine committed
257
#include <sys/types.h>
258
259
260
261
262
#include <event.h>], [
#ifdef WIN32
#include <winsock2.h>
#endif
void exit(int); void *event_init(void);],
263
264
    [
#ifdef WIN32
265
{WSADATA d; WSAStartup(0x101,&d); }
266
267
268
#endif
event_init(); exit(0);
], [--with-libevent-dir], [/opt/libevent])
269

270
dnl Now check for particular libevent functions.
271
272
save_LIBS="$LIBS"
save_LDFLAGS="$LDFLAGS"
273
save_CPPFLAGS="$CPPFLAGS"
274
LIBS="-levent $TOR_LIB_WS32 $LIBS"
275
LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
276
CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
277
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)
278
279
280
281
AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
[#include <event.h>
])

282
283
AC_CHECK_HEADERS(event2/event.h event2/dns.h)

284
285
LIBS="$save_LIBS"
LDFLAGS="$save_LDFLAGS"
286
CPPFLAGS="$save_CPPFLAGS"
287

288

289
290
AM_CONDITIONAL(USE_EXTERNAL_EVDNS, test x$ac_cv_header_event2_dns_h = xyes)

291
292
293
294
295
296
297
298
299
300
301
if test "$enable_static_libevent" = "yes"; then
   if test "$tor_cv_library_libevent_dir" = "(system)"; then
     AC_MSG_ERROR("You must specify an explicit --with-libevent-dir=x option when using --enable-static-libevent")
   else
     TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent.a"
   fi
else
     TOR_LIBEVENT_LIBS="-levent"
fi
AC_SUBST(TOR_LIBEVENT_LIBS)

302

303
dnl ------------------------------------------------------
304
dnl Where do you live, openssl?  And how do we call you?
305

306
307
308
309
310
tor_openssl_pkg_redhat="openssl"
tor_openssl_pkg_debian="libssl"
tor_openssl_devpkg_redhat="openssl-devel"
tor_openssl_devpkg_debian="libssl-dev"

311
312
313
314
315
316
317
318
319
ALT_openssl_WITHVAL=""
AC_ARG_WITH(ssl-dir,
  [  --with-ssl-dir=PATH    Obsolete alias for --with-openssl-dir ],
  [
      if test "x$withval" != xno && test "x$withval" != "x" ; then
         ALT_openssl_WITHVAL="$withval"
      fi
  ])

320
TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
321
322
    [#include <openssl/rand.h>],
    [void RAND_add(const void *buf, int num, double entropy);],
323
    [RAND_add((void*)0,0,0); exit(0);], [],
324
    [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
325

326
327
dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()

328
329
330
331
332
echo "tor_cv_library_openssl_dir is $tor_cv_library_openssl_dir"
if test "$enable_static_openssl" = "yes"; then
   if test "$tor_cv_library_openssl_dir" = "(system)"; then
     AC_MSG_ERROR("You must specify an explicit --with-openssl-dir=x option when using --enable-static-openssl")
   else
333
     TOR_OPENSSL_LIBS="$TOR_LIBDIR_openssl/libssl.a $TOR_LIBDIR_openssl/libcrypto.a"
334
335
   fi
else
336
     TOR_OPENSSL_LIBS="-lssl -lcrypto"
337
338
339
fi
AC_SUBST(TOR_OPENSSL_LIBS)

340
341
342
343
344
345
346
347
348
349
350
351
352
353
dnl ------------------------------------------------------
dnl Where do you live, zlib?  And how do we call you?

tor_openssl_pkg_redhat="zlib"
tor_openssl_pkg_debian="zlib1g"
tor_openssl_devpkg_redhat="zlib-devel"
tor_openssl_devpkg_debian="zlib1g-dev"

TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
    [#include <zlib.h>],
    [const char * zlibVersion(void);],
    [zlibVersion(); exit(0);], [--with-zlib-dir],
    [/opt/zlib])

Roger Dingledine's avatar
Roger Dingledine committed
354
dnl Make sure to enable support for large off_t if available.
355

356
357
AC_SYS_LARGEFILE

358
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.))
359

360
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)
361

362
363
dnl These headers are not essential

364
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)
365

366
367
368
369
370
371
372
373
TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
[#ifdef HAVE_MALLOC_H
#include <malloc.h>
#endif
#ifdef HAVE_MALLOC_MALLOC_H
#include <malloc/malloc.h>
#endif])

374
AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
375
376
377
378
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
379
380
#include <sys/socket.h>
#endif])
381
AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
382
383
384
385
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
386
#include <sys/socket.h>
387
388
389
#endif
#ifdef HAVE_NET_IF_H
#include <net/if.h>
390
#endif])
391
AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
392
        linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
393
394
395
396
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
397
#include <sys/socket.h>
398
#endif
399
400
401
402
403
404
405
406
407
#ifdef HAVE_LIMITS_H
#include <limits.h>
#endif
#ifdef HAVE_LINUX_TYPES_H
#include <linux/types.h>
#endif
#ifdef HAVE_NETINET_IN6_H
#include <netinet/in6.h>
#endif
408
409
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
410
#endif])
411
412
413

if test x$transparent = xtrue ; then
   transparent_ok=0
414
   if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
415
416
417
418
419
     transparent_ok=1
   fi
   if test x$linux_netfilter_ipv4 = x1 ; then
     transparent_ok=1
   fi
420
   if test x$transparent_ok = x1 ; then
421
422
423
424
425
426
427
428
429
430
     AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
     case $host in
       *-*-openbsd*)
         AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
     esac
   else
     AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
   fi
fi

431
432
433
434
435
436
437
AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif])
438

439
440
441
dnl In case we aren't given a working stdint.h, we'll need to grow our own.
dnl Watch out.

442
443
444
445
446
447
448
449
AC_CHECK_SIZEOF(int8_t)
AC_CHECK_SIZEOF(int16_t)
AC_CHECK_SIZEOF(int32_t)
AC_CHECK_SIZEOF(int64_t)
AC_CHECK_SIZEOF(uint8_t)
AC_CHECK_SIZEOF(uint16_t)
AC_CHECK_SIZEOF(uint32_t)
AC_CHECK_SIZEOF(uint64_t)
450
451
AC_CHECK_SIZEOF(intptr_t)
AC_CHECK_SIZEOF(uintptr_t)
452

453
dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
454

455
456
457
458
459
460
AC_CHECK_SIZEOF(char)
AC_CHECK_SIZEOF(short)
AC_CHECK_SIZEOF(int)
AC_CHECK_SIZEOF(long)
AC_CHECK_SIZEOF(long long)
AC_CHECK_SIZEOF(__int64)
461
AC_CHECK_SIZEOF(void *)
462
AC_CHECK_SIZEOF(time_t)
463
AC_CHECK_SIZEOF(size_t)
464

465
AC_CHECK_TYPES([uint, u_char, ssize_t])
466

467
468
dnl used to include sockaddr_storage, but everybody has that.
AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
469
470
471
472
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_NETINET_IN_H
473
474
475
476
477
478
479
#include <netinet/in.h>
#endif
#ifdef HAVE_NETINET_IN6_H
#include <netinet/in6.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
480
481
482
483
484
485
486
487
488
489
490
491
492
#endif
#ifdef MS_WINDOWS
#define WIN32_WINNT 0x400
#define _WIN32_WINNT 0x400
#define WIN32_LEAN_AND_MEAN
#if defined(_MSC_VER) && (_MSC_VER < 1300)
#include <winsock.h>
#else
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
#endif
])
493
AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_NETINET_IN_H
#include <netinet/in.h>
#endif
#ifdef HAVE_NETINET_IN6_H
#include <netinet/in6.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
#ifdef MS_WINDOWS
#define WIN32_WINNT 0x400
#define _WIN32_WINNT 0x400
#define WIN32_LEAN_AND_MEAN
#if defined(_MSC_VER) && (_MSC_VER < 1300)
#include <winsock.h>
#else
#include <winsock2.h>
#include <ws2tcpip.h>
#endif
#endif
])
518

519
AC_CHECK_TYPES([rlim_t], , ,
520
521
522
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
523
524
525
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
526
#ifdef HAVE_SYS_RESOURCE_H
527
528
529
530
#include <sys/resource.h>
#endif
])

531
AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
532
AC_RUN_IFELSE(AC_LANG_SOURCE([
533
534
535
536
537
538
539
540
541
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_TIME_H
#include <sys/time.h>
#endif
#ifdef HAVE_TIME_H
#include <time.h>
#endif
542
int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
543
  tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
544
])
545
546

if test "$tor_cv_time_t_signed" = cross; then
547
548
  AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
fi
549

550
if test "$tor_cv_time_t_signed" != no; then
551
552
553
554
  AC_DEFINE([TIME_T_IS_SIGNED], 1,
            [Define to 1 iff time_t is signed])
fi

555
556
557
558
559
AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
])
560

561
562
563
564
# We want to make sure that we _don't_ have a cell_t defined, like IRIX does.

AC_CHECK_SIZEOF(cell_t)

565
566
567
568
# Now make sure that NULL can be represented as zero bytes.
AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
[AC_RUN_IFELSE([AC_LANG_SOURCE(
[[#include <stdlib.h>
569
#include <string.h>
570
571
572
573
#include <stdio.h>
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
574
int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
575
return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
576
577
578
579
       [tor_cv_null_is_zero=yes],
       [tor_cv_null_is_zero=no],
       [tor_cv_null_is_zero=cross])])

580
if test "$tor_cv_null_is_zero" = cross ; then
581
582
583
584
  # Cross-compiling; let's hope that the target isn't raving mad.
  AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
fi

585
if test "$tor_cv_null_is_zero" != no; then
586
587
588
589
  AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
            [Define to 1 iff memset(0) sets pointers to NULL])
fi

590
591
592
593
594
595
596
597
598
599
600
601
602
603
# And what happens when we malloc zero?
AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
[AC_RUN_IFELSE([AC_LANG_SOURCE(
[[#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
int main () { return malloc(0)?0:1; }]])],
       [tor_cv_malloc_zero_works=yes],
       [tor_cv_malloc_zero_works=no],
       [tor_cv_malloc_zero_works=cross])])

604
if test "$tor_cv_malloc_zero_works" = cross; then
605
606
607
608
  # Cross-compiling; let's hope that the target isn't raving mad.
  AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
fi

609
if test "$tor_cv_malloc_zero_works" = yes; then
610
611
612
613
  AC_DEFINE([MALLOC_ZERO_WORKS], 1,
            [Define to 1 iff malloc(0) returns a pointer])
fi

614
615
616
617
618
619
620
621
622
# whether we seem to be in a 2s-complement world.
AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
[AC_RUN_IFELSE([AC_LANG_SOURCE(
[[int main () { int problem = ((-99) != (~99)+1);
return problem ? 1 : 0; }]])],
       [tor_cv_twos_complement=yes],
       [tor_cv_twos_complement=no],
       [tor_cv_twos_complement=cross])])

623
if test "$tor_cv_twos_complement" = cross ; then
624
  # Cross-compiling; let's hope that the target isn't raving mad.
625
  AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
626
627
fi

628
if test "$tor_cv_twos_complement" != no ; then
629
630
631
632
  AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
            [Define to 1 iff we represent negative integers with two's complement])
fi

633
# Whether we should use the dmalloc memory allocation debugging library.
Roger Dingledine's avatar
Roger Dingledine committed
634
AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
635
AC_ARG_WITH(dmalloc,
636
[  --with-dmalloc          Use debug memory allocation library. ],
637
638
639
640
641
642
643
644
645
646
[if [[ "$withval" = "yes" ]]; then
  dmalloc=1
  AC_MSG_RESULT(yes)
else
  dmalloc=1
  AC_MSG_RESULT(no)
fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
)

if [[ $dmalloc -eq 1 ]]; then
Peter Palfrader's avatar
Peter Palfrader committed
647
  AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
648
  AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
649
650
  AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
  AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
651
  AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
652
653
fi

654
655
656
657
658
659
660
661
AC_ARG_WITH(tcmalloc,
[  --with-tcmalloc         Use tcmalloc memory allocation library. ],
[ tcmalloc=yes ], [ tcmalloc=no ])

if test x$tcmalloc = xyes ; then
   LDFLAGS="-ltcmalloc $LDFLAGS"
fi

662
# By default, we're going to assume we don't have mlockall()
Nick Mathewson's avatar
Nick Mathewson committed
663
664
665
# bionic and other platforms have various broken mlockall subsystems.
# Some systems don't have a working mlockall, some aren't linkable,
# and some have it but don't declare it.
666
AC_CHECK_FUNCS(mlockall)
Nick Mathewson's avatar
Nick Mathewson committed
667
668
669
670
AC_CHECK_DECLS([mlockall], , , [
#ifdef HAVE_SYS_MMAN_H
#include <sys/mman.h>
#endif])
671

672
673
674
675
676
677
678
# Allow user to specify an alternate syslog facility
AC_ARG_WITH(syslog-facility,
[  --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
syslog_facility="$withval", syslog_facility="LOG_DAEMON")
AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
AC_SUBST(LOGFACILITY)

679
680
681
# Check if we have getresuid and getresgid
AC_CHECK_FUNCS(getresuid getresgid)

682
683
684
685
686
687
688
689
690
# Check for gethostbyname_r in all its glorious incompatible versions.
#   (This logic is based on that in Python's configure.in)
AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
  [Define this if you have any gethostbyname_r()])

AC_CHECK_FUNC(gethostbyname_r, [
  AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
  OLD_CFLAGS=$CFLAGS
  CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
691
  AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
692
#include <netdb.h>
693
  ], [[
694
695
696
697
    char *cp1, *cp2;
    struct hostent *h1, *h2;
    int i1, i2;
    (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
698
  ]]),[
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
    AC_DEFINE(HAVE_GETHOSTBYNAME_R)
    AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
     [Define this if gethostbyname_r takes 6 arguments])
    AC_MSG_RESULT(6)
  ], [
    AC_TRY_COMPILE([
#include <netdb.h>
    ], [
      char *cp1, *cp2;
      struct hostent *h1;
      int i1, i2;
      (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
    ], [
      AC_DEFINE(HAVE_GETHOSTBYNAME_R)
      AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
        [Define this if gethostbyname_r takes 5 arguments])
      AC_MSG_RESULT(5)
   ], [
      AC_TRY_COMPILE([
#include <netdb.h>
     ], [
       char *cp1;
       struct hostent *h1;
       struct hostent_data hd;
       (void) gethostbyname_r(cp1,h1,&hd);
     ], [
       AC_DEFINE(HAVE_GETHOSTBYNAME_R)
       AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
         [Define this if gethostbyname_r takes 3 arguments])
       AC_MSG_RESULT(3)
     ], [
       AC_MSG_RESULT(0)
     ])
  ])
 ])
 CFLAGS=$OLD_CFLAGS
])

737
AC_CACHE_CHECK([whether the C compiler supports __func__],
738
  tor_cv_have_func_macro,
739
740
741
  AC_COMPILE_IFELSE([
#include <stdio.h>
int main(int c, char **v) { puts(__func__); }],
742
743
  tor_cv_have_func_macro=yes,
  tor_cv_have_func_macro=no))
744
745

AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
746
  tor_cv_have_FUNC_macro,
747
748
749
  AC_COMPILE_IFELSE([
#include <stdio.h>
int main(int c, char **v) { puts(__FUNC__); }],
750
751
  tor_cv_have_FUNC_macro=yes,
  tor_cv_have_FUNC_macro=no))
752
753

AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
754
  tor_cv_have_FUNCTION_macro,
755
756
757
  AC_COMPILE_IFELSE([
#include <stdio.h>
int main(int c, char **v) { puts(__FUNCTION__); }],
758
759
  tor_cv_have_FUNCTION_macro=yes,
  tor_cv_have_FUNCTION_macro=no))
760

761
if test "$tor_cv_have_func_macro" = 'yes'; then
762
763
764
  AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
fi

765
if test "$tor_cv_have_FUNC_macro" = 'yes'; then
766
767
768
  AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
fi

769
if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
770
771
772
773
  AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
           [Defined if the compiler supports __FUNCTION__])
fi

774
775
776
777
778
779
780
781
782
783
784
785
# $prefix stores the value of the --prefix command line option, or
# NONE if the option wasn't set.  In the case that it wasn't set, make
# it be the default, so that we can use it to expand directories now.
if test "x$prefix" = "xNONE"; then
  prefix=$ac_default_prefix
fi

# and similarly for $exec_prefix
if test "x$exec_prefix" = "xNONE"; then
  exec_prefix=$prefix
fi

786
787
788
if test "x$CONFDIR" = "x"; then
  CONFDIR=`eval echo $sysconfdir/tor`
fi
789
AC_SUBST(CONFDIR)
790
AH_TEMPLATE([CONFDIR],[tor's configuration directory])
791
792
AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")

793
794
795
796
797
BINDIR=`eval echo $bindir`
AC_SUBST(BINDIR)
LOCALSTATEDIR=`eval echo $localstatedir`
AC_SUBST(LOCALSTATEDIR)

798
799
# Set CFLAGS _after_ all the above checks, since our warnings are stricter
# than autoconf's macros like.
800
if test "$GCC" = yes; then
801
  CFLAGS="$CFLAGS -Wall -g -O2"
802
803
804
  # Disable GCC's strict aliasing checks.  They are an hours-to-debug
  # accident waiting to happen.
  CFLAGS="$CFLAGS -fno-strict-aliasing"
805
806
else
  CFLAGS="$CFLAGS -g -O"
807
  enable_gcc_warnings=no
808
  enable_gcc_warnings_advisory=no
809
fi
810

811
# Add some more warnings which we use in development but not in the
812
# released versions.  (Some relevant gcc versions can't handle these.)
813
if test x$enable_gcc_warnings = xyes || test x$enable_gcc_warnings_advisory = xyes; then
814

815
  AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
816
817
#if !defined(__GNUC__) || (__GNUC__ < 4)
#error
818
#endif]), have_gcc4=yes, have_gcc4=no)
819

820
  AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
821
#if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
822
823
824
#error
#endif]), have_gcc42=yes, have_gcc42=no)

825
826
827
828
829
  AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
#if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
#error
#endif]), have_gcc43=yes, have_gcc43=no)

830
831
832
833
834
835
  save_CFLAGS="$CFLAGS"
  CFLAGS="$CFLAGS -Wshorten-64-to-32"
  AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes,
                    have_shorten64_flag=no)
  CFLAGS="$save_CFLAGS"

836
837
838
839
  CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum"
  if test x$enable_gcc_warnings = xyes; then
    CFLAGS="$CFLAGS -Werror"
  fi
840

841
  # Disabled, so we can use mallinfo(): -Waggregate-return
842
843
844
845
846

  if test x$have_gcc4 = xyes ; then 
    # These warnings break gcc 3.3.5 and work on gcc 4.0.2
    CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
  fi
847

848
849
850
851
  if test x$have_gcc42 = xyes ; then 
    # These warnings break gcc 4.0.2 and work on gcc 4.2
    # XXXX020 Use -fstack-protector.
    # XXXX020 See if any of these work with earlier versions.
852
853
854
855
856
857
858
859
    CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1"
    # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
  fi

  if test x$have_gcc43 = xyes ; then 
    # These warnings break gcc 4.2 and work on gcc 4.3
    # XXXX020 See if any of these work with earlier versions.
    CFLAGS="$CFLAGS -Wextra -Warray-bounds"
860
861
  fi

862
863
864
865
  if test x$have_shorten64_flag = xyes ; then
    CFLAGS="$CFLAGS -Wshorten-64-to-32"
  fi

866
867
##This will break the world on some 64-bit architectures
# CFLAGS="$CFLAGS -Winline"
868
fi
869

870
871


872
873
CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"

Sebastian Hahn's avatar
Sebastian Hahn committed
874
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])
875
AC_OUTPUT
876
877
878
879
880

if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
  ./contrib/updateVersions.pl
fi