configure.in 18.9 KB
Newer Older
Nick Mathewson's avatar
Nick Mathewson committed
1
dnl $Id$
Roger Dingledine's avatar
Roger Dingledine committed
2
dnl Copyright (c) 2001-2004, Roger Dingledine
3
dnl Copyright (c) 2004-2007, Roger Dingledine, Nick Mathewson
Nick Mathewson's avatar
Nick Mathewson committed
4
dnl See LICENSE for licensing information
5
6

AC_INIT
7
AM_INIT_AUTOMAKE(tor, 0.2.0.0-alpha-dev)
8
AM_CONFIG_HEADER(orconfig.h)
9

10
11
AC_CANONICAL_HOST

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

AC_ARG_ENABLE(debug,
17
 AS_HELP_STRING(--enable-debug, compile with debugging info),
18
[if test x$enableval = xyes; then
19
    CFLAGS="$CFLAGS -g"
20
21
fi])

22
23
24
25
26
27
28
29
AC_ARG_ENABLE(cell-pool,
     AS_HELP_STRING(--disable-cell-pool, disable pool allocator for cells))

if test x$enable_cell_pool != xno; then
  AC_DEFINE(ENABLE_CELL_POOL, 1,
            [Defined if we try to use the pool allocator for queued cells])
fi

30
AC_ARG_ENABLE(transparent,
31
     AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
32
33
34
35
36
37
     [case "${enableval}" in
        yes) transparent=true ;;
        no)  transparent=false ;;
        *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
      esac], [transparent=true])

Nick Mathewson's avatar
Nick Mathewson committed
38
AC_ARG_ENABLE(threads,
39
     AS_HELP_STRING(--disable-threads, disable multi-threading support))
Nick Mathewson's avatar
Nick Mathewson committed
40
41

if test x$enable_threads = x; then
42
   case $host in
43
44
45
46
47
    *-*-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
48
49
50
51
52
53
54
55
56
    *)
     enable_threads="yes";;
   esac
fi

if test $enable_threads = "yes"; then
  AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
fi

57
58
59
60
61
62
case $host in
   *-*-solaris* )
     AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
     ;;
esac

63
AC_ARG_ENABLE(gcc-warnings,
64
     AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
65

66
67
68
69
AC_PROG_CC
AC_PROG_MAKE_SET
AC_PROG_RANLIB

70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
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)

88
89
90

dnl If WIN32 is defined and non-zero, we are building for win32
AC_MSG_CHECKING([for win32])
91
92
AC_RUN_IFELSE([
int main(int c, char **v) {
93
94
95
96
97
98
99
100
101
102
103
#ifdef WIN32
#if WIN32
  return 0;
#else
  return 1;
#endif
#else
  return 2;
#endif
}],
bwin32=true; AC_MSG_RESULT([yes]),
104
105
bwin32=false; AC_MSG_RESULT([no]),
bwin32=cross; AC_MSG_RESULT([cross])
106
107
)

108
109
110
111
112
113
114
115
116
117
118
119
120
121
if test $bwin32 = cross; then
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

122
123
124
125
if test $bwin32 = true; then
AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
fi

126
127
dnl Enable C99 when compiling with MIPSpro
AC_MSG_CHECKING([for MIPSpro compiler])
128
AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
129
130
131
132
#if (defined(__sgi) && defined(_COMPILER_VERSION))
#error
  return x(y);
#endif
133
134
135
]),
bmipspro=false; AC_MSG_RESULT(no),
bmipspro=true; AC_MSG_RESULT(yes))
136
137
138
139
140

if test $bmipspro = true; then
  CFLAGS="$CFLAGS -c99"
fi

141
AC_SEARCH_LIBS(socket, [socket])
142
AC_SEARCH_LIBS(gethostbyname, [nsl])
143
AC_SEARCH_LIBS(dlopen, [dl])
144
AC_SEARCH_LIBS(inet_aton, [resolv])
145
146
147
148
149

if test $enable_threads = "yes"; then
  AC_SEARCH_LIBS(pthread_create, [pthread])
  AC_SEARCH_LIBS(pthread_detach, [pthread])
fi
150

151
152
153
154
155
156
157
158
159
160
161
dnl -------------------------------------------------------------------
dnl Check for functions before libevent, since libevent-1.2 apparently
dnl exports strlcpy without defining it in a header.

AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull ftello getaddrinfo localtime_r gmtime_r memmem strtok_r)

if test $enable_threads = "yes"; then
  AC_CHECK_HEADERS(pthread.h)
  AC_CHECK_FUNCS(pthread_create)
fi

162
dnl ------------------------------------------------------
163
dnl Where do you live, libevent?  And how do we call you?
164

Nick Mathewson's avatar
   
Nick Mathewson committed
165
if test $bwin32 = true; then
166
167
168
  TOR_LIB_WS32=-lws2_32
  # Some of the cargo-cults recommend -lwsock32 as well, but I don't
  # think it's actually necessary.
169
  TOR_LIB_GDI=-lgdi32
Nick Mathewson's avatar
   
Nick Mathewson committed
170
else
171
172
  TOR_LIB_WS32=
  TOR_LIB_GDI=
Nick Mathewson's avatar
   
Nick Mathewson committed
173
fi
174
175
AC_SUBST(TOR_LIB_WS32)
AC_SUBST(TOR_LIB_GDI)
Nick Mathewson's avatar
   
Nick Mathewson committed
176

177
178
179
180
181
182
dnl This is a disgusting hack so we safely include recent libevent headers.
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)

183
184
185
186
187
tor_libevent_pkg_redhat="libevent"
tor_libevent_pkg_debian="libevent"
tor_libevent_devpkg_redhat="libevent-devel"
tor_libevent_devpkg_debian="libevent-dev"

188
TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
189
#include <stdlib.h>
190
#include <sys/time.h>
Roger Dingledine's avatar
Roger Dingledine committed
191
#include <sys/types.h>
192
#include <event.h>], [void exit(int); void *event_init(void);],
193
    [event_init(); exit(0);], [--with-libevent-dir], [/opt/libevent])
194

195
dnl Now check for particular libevent functions.
196
197
save_LIBS="$LIBS"
save_LDFLAGS="$LDFLAGS"
198
LIBS="-levent $TOR_LIB_WS32 $LIBS"
199
LDFLAGS="$TOR_LDFLAGS_libevent $LIBS"
200
AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
201
202
LIBS="$save_LIBS"
LDFLAGS="$save_LDFLAGS"
203

204
dnl ------------------------------------------------------
205
dnl Where do you live, openssl?  And how do we call you?
206

207
208
209
210
211
tor_openssl_pkg_redhat="openssl"
tor_openssl_pkg_debian="libssl"
tor_openssl_devpkg_redhat="openssl-devel"
tor_openssl_devpkg_debian="libssl-dev"

212
TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
213
214
215
216
    [#include <openssl/rand.h>],
    [void RAND_add(const void *buf, int num, double entropy);],
    [RAND_add((void*)0,0,0); exit(0);], [--with-ssl-dir],
    [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
217

218
219
dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()

220
221
222
223
224
225
226
227
228
229
230
231
232
233
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])

234
dnl Make sure to enable support for large off_t if avalable.
235

236
237
AC_SYS_LARGEFILE

238
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.))
239
240

AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h)
241

242
243
dnl These headers are not essential

244
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)
245

246
AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
247
248
249
250
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
251
252
#include <sys/socket.h>
#endif])
253
AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
254
255
256
257
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
258
#include <sys/socket.h>
259
260
261
#endif
#ifdef HAVE_NET_IF_H
#include <net/if.h>
262
#endif])
263
AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
264
        linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
265
266
267
268
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_SYS_SOCKET_H
269
270
#include <sys/socket.h>
#endif])
271
272
273
274
275
276
277
278
279

if test x$transparent = xtrue ; then
   transparent_ok=0
   if test x$net_if_found = x1 -a x$net_pfvar_found = x1 ; then
     transparent_ok=1
   fi
   if test x$linux_netfilter_ipv4 = x1 ; then
     transparent_ok=1
   fi
280
   if test x$transparent_ok = x1 ; then
281
282
283
284
285
286
287
288
289
290
     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

291
AC_FUNC_FSEEKO
292

293
294
295
296
297
298
299
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])
300

301
302
303
dnl In case we aren't given a working stdint.h, we'll need to grow our own.
dnl Watch out.

304
305
306
307
308
309
310
311
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)
312
313
AC_CHECK_SIZEOF(intptr_t)
AC_CHECK_SIZEOF(uintptr_t)
314

315
dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
316

317
318
319
320
321
322
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)
323
AC_CHECK_SIZEOF(void *)
324
AC_CHECK_SIZEOF(time_t)
325
AC_CHECK_SIZEOF(size_t)
326

327
328
AC_CHECK_TYPES([uint, u_char])

329
AC_CHECK_TYPES([struct in6_addr, struct sockaddr_storage], , ,
330
331
332
333
[#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_NETINET_IN_H
334
335
336
337
338
339
340
341
#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])
342

343
if test -z "$CROSS_COMPILE"; then
344
AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
345
AC_RUN_IFELSE(AC_LANG_SOURCE([
346
347
348
349
350
351
352
353
354
#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
355
int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
356
357
  tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes)
])
358
359
360
361
362
else
  # Cross-compiling; let's hope the target platform isn't loony.
  AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
  tor_cv_time_t_signed=yes
fi
363
364
365
366
367
368

if test $tor_cv_time_t_signed = yes; then
  AC_DEFINE([TIME_T_IS_SIGNED], 1,
            [Define to 1 iff time_t is signed])
fi

369
370
371
372
373
AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
#ifdef HAVE_SYS_SOCKET_H
#include <sys/socket.h>
#endif
])
374

375
376
377
378
# We want to make sure that we _don't_ have a cell_t defined, like IRIX does.

AC_CHECK_SIZEOF(cell_t)

379
# Now make sure that NULL can be represented as zero bytes.
380
if test -z "$CROSS_COMPILE"; then
381
382
383
AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
[AC_RUN_IFELSE([AC_LANG_SOURCE(
[[#include <stdlib.h>
384
#include <string.h>
385
386
387
388
#include <stdio.h>
#ifdef HAVE_STDDEF_H
#include <stddef.h>
#endif
389
int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
390
return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
391
392
393
394
       [tor_cv_null_is_zero=yes],
       [tor_cv_null_is_zero=no],
       [tor_cv_null_is_zero=cross])])

395
396
397
398
399
400
else
  # 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.])
  tor_cv_null_is_zero=yes
fi

401
402
403
404
405
if test $tor_cv_null_is_zero = yes; then
  AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
            [Define to 1 iff memset(0) sets pointers to NULL])
fi

406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
# And what happens when we malloc zero?

if test -z "$CROSS_COMPILE"; then
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])])

else
  # 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.])
  tor_cv_malloc_zero_works=no
fi

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

433
434
435
436
437
438
439
440
441
442
443
444
# whether we seem to be in a 2s-complement world.
if test -z "$CROSS_COMPILE"; then
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])])

else
  # Cross-compiling; let's hope that the target isn't raving mad.
445
  AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
446
447
448
449
450
451
452
453
  tor_cv_twos_complement=yes
fi

if test $tor_cv_twos_complement = yes; then
  AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
            [Define to 1 iff we represent negative integers with two's complement])
fi

454
# Whether we should use the dmalloc memory allocation debugging library.
Roger Dingledine's avatar
Roger Dingledine committed
455
AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
456
AC_ARG_WITH(dmalloc,
457
[  --with-dmalloc          Use debug memory allocation library. ],
458
459
460
461
462
463
464
465
466
467
[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
468
  AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
469
  AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
470
471
472
473
  AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
  AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
fi

474
475
476
477
478
479
480
# 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)

481
482
483
484
485
486
487
488
489
# 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 $MY_CFLAGS"
490
  AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
491
#include <netdb.h>
492
  ], [[
493
494
495
496
    char *cp1, *cp2;
    struct hostent *h1, *h2;
    int i1, i2;
    (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
497
  ]]),[
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
    AC_DEFINE(HAVE_GETHOSTBYNAME_R)
    AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
     [Define this if gethostbyname_r takes 6 arguments])
    AC_MSG_RESULT(6)
  ], [
    AC_TRY_COMPILE([
#include <netdb.h>
    ], [
      char *cp1, *cp2;
      struct hostent *h1;
      int i1, i2;
      (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
    ], [
      AC_DEFINE(HAVE_GETHOSTBYNAME_R)
      AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
        [Define this if gethostbyname_r takes 5 arguments])
      AC_MSG_RESULT(5)
   ], [
      AC_TRY_COMPILE([
#include <netdb.h>
     ], [
       char *cp1;
       struct hostent *h1;
       struct hostent_data hd;
       (void) gethostbyname_r(cp1,h1,&hd);
     ], [
       AC_DEFINE(HAVE_GETHOSTBYNAME_R)
       AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
         [Define this if gethostbyname_r takes 3 arguments])
       AC_MSG_RESULT(3)
     ], [
       AC_MSG_RESULT(0)
     ])
  ])
 ])
 CFLAGS=$OLD_CFLAGS
])

536
AC_CACHE_CHECK([whether the C compiler supports __func__],
537
  tor_cv_have_func_macro,
538
539
540
  AC_COMPILE_IFELSE([
#include <stdio.h>
int main(int c, char **v) { puts(__func__); }],
541
542
  tor_cv_have_func_macro=yes,
  tor_cv_have_func_macro=no))
543
544

AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
545
  tor_cv_have_FUNC_macro,
546
547
548
  AC_COMPILE_IFELSE([
#include <stdio.h>
int main(int c, char **v) { puts(__FUNC__); }],
549
550
  tor_cv_have_FUNC_macro=yes,
  tor_cv_have_FUNC_macro=no))
551
552

AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
553
  tor_cv_have_FUNCTION_macro,
554
555
556
  AC_COMPILE_IFELSE([
#include <stdio.h>
int main(int c, char **v) { puts(__FUNCTION__); }],
557
558
  tor_cv_have_FUNCTION_macro=yes,
  tor_cv_have_FUNCTION_macro=no))
559

560
if test $tor_cv_have_func_macro = 'yes'; then
561
562
563
  AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
fi

564
if test $tor_cv_have_FUNC_macro = 'yes'; then
565
566
567
  AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
fi

568
if test $tor_cv_have_FUNCTION_macro = 'yes'; then
569
570
571
572
  AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
           [Defined if the compiler supports __FUNCTION__])
fi

573
574
575
576
577
578
579
580
581
582
583
584
# $prefix stores the value of the --prefix command line option, or
# NONE if the option wasn't set.  In the case that it wasn't set, make
# it be the default, so that we can use it to expand directories now.
if test "x$prefix" = "xNONE"; then
  prefix=$ac_default_prefix
fi

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

585
586
587
if test "x$CONFDIR" = "x"; then
  CONFDIR=`eval echo $sysconfdir/tor`
fi
588
AC_SUBST(CONFDIR)
589
AH_TEMPLATE([CONFDIR],[tor's configuration directory])
590
591
592
593
594
595
596
AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")

BINDIR=`eval echo $bindir`
AC_SUBST(BINDIR)

LOCALSTATEDIR=`eval echo $localstatedir`
AC_SUBST(LOCALSTATEDIR)
597
AH_TEMPLATE([LOCALSTATEDIR], [Default location to store state files.])
598
AC_DEFINE_UNQUOTED(LOCALSTATEDIR,"$LOCALSTATEDIR")
599

600
601
# Set CFLAGS _after_ all the above checks, since our warnings are stricter
# than autoconf's macros like.
602
603
604
605
if test $ac_cv_c_compiler_gnu = yes; then
  CFLAGS="$CFLAGS -Wall -g -O2"
else
  CFLAGS="$CFLAGS -g -O"
606
  enable_gcc_warnings=no
607
fi
608

609
# Add some more warnings which we use in the cvs version but not in the
610
# released versions.  (Some relevant gcc versions can't handle these.)
611
if test x$enable_gcc_warnings = xyes; then
612

613
  AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
614
615
#if !defined(__GNUC__) || (__GNUC__ < 4)
#error
616
#endif]), have_gcc4=yes, have_gcc4=no)
617

618
  CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Waggregate-return -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
619
620
621
622
623

  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
624
625
626
627

##This will break the world on some 64-bit architectures
# CFLAGS="$CFLAGS -Winline"

628
fi
629

630
631
AC_CONFIG_FILES([Makefile tor.spec 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])
AC_OUTPUT
632
633
634
635
636

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