configure.in 19 KB

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  1. dnl $Id$
  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
  5. AC_INIT
  6. AM_INIT_AUTOMAKE(tor, 0.2.0.0-alpha-dev)
  7. AM_CONFIG_HEADER(orconfig.h)
  8. AC_CANONICAL_HOST
  9. if test -f /etc/redhat-release ; then
  10. CFLAGS="$CFLAGS -I/usr/kerberos/include"
  11. fi
  12. AC_ARG_ENABLE(debug,
  13. AS_HELP_STRING(--enable-debug, compile with debugging info),
  14. [if test x$enableval = xyes; then
  15. CFLAGS="$CFLAGS -g"
  16. fi])
  17. AC_ARG_ENABLE(transparent,
  18. AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
  19. [case "${enableval}" in
  20. yes) transparent=true ;;
  21. no) transparent=false ;;
  22. *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
  23. esac], [transparent=true])
  24. AC_ARG_ENABLE(threads,
  25. AS_HELP_STRING(--disable-threads, disable multi-threading support))
  26. if test x$enable_threads = x; then
  27. case $host in
  28. *-*-solaris* )
  29. # Don't try multithreading on solaris -- cpuworkers seem to lock.
  30. AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
  31. cpu workers lock up here, so I will disable threads.])
  32. enable_threads="no";;
  33. *)
  34. enable_threads="yes";;
  35. esac
  36. fi
  37. if test $enable_threads = "yes"; then
  38. AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
  39. fi
  40. case $host in
  41. *-*-solaris* )
  42. AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
  43. ;;
  44. esac
  45. AC_ARG_ENABLE(gcc-warnings,
  46. AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
  47. AC_PROG_CC
  48. AC_PROG_MAKE_SET
  49. AC_PROG_RANLIB
  50. # The big search for OpenSSL
  51. # copied from openssh's configure.ac
  52. tryssldir=""
  53. AC_ARG_WITH(ssl-dir,
  54. [ --with-ssl-dir=PATH Specify path to OpenSSL installation ],
  55. [
  56. if test "x$withval" != "xno" ; then
  57. tryssldir=$withval
  58. fi
  59. ]
  60. )
  61. trylibeventdir=""
  62. AC_ARG_WITH(libevent-dir,
  63. [ --with-libevent-dir=PATH Specify path to Libevent installation ],
  64. [
  65. if test "x$withval" != "xno" ; then
  66. trylibeventdir=$withval
  67. fi
  68. ]
  69. )
  70. TORUSER=_tor
  71. AC_ARG_WITH(tor-user,
  72. [ --with-tor-user=NAME Specify username for tor daemon ],
  73. [
  74. TORUSER=$withval
  75. ]
  76. )
  77. AC_SUBST(TORUSER)
  78. TORGROUP=_tor
  79. AC_ARG_WITH(tor-group,
  80. [ --with-tor-group=NAME Specify group name for tor daemon ],
  81. [
  82. TORGROUP=$withval
  83. ]
  84. )
  85. AC_SUBST(TORGROUP)
  86. dnl If WIN32 is defined and non-zero, we are building for win32
  87. AC_MSG_CHECKING([for win32])
  88. AC_RUN_IFELSE([
  89. int main(int c, char **v) {
  90. #ifdef WIN32
  91. #if WIN32
  92. return 0;
  93. #else
  94. return 1;
  95. #endif
  96. #else
  97. return 2;
  98. #endif
  99. }],
  100. bwin32=true; AC_MSG_RESULT([yes]),
  101. bwin32=false; AC_MSG_RESULT([no]),
  102. bwin32=cross; AC_MSG_RESULT([cross])
  103. )
  104. if test $bwin32 = cross; then
  105. AC_MSG_CHECKING([for win32 (cross)])
  106. AC_COMPILE_IFELSE([
  107. #ifdef WIN32
  108. int main(int c, char **v) {return 0;}
  109. #else
  110. #error
  111. int main(int c, char **v) {return x(y);}
  112. #endif
  113. ],
  114. bwin32=true; AC_MSG_RESULT([yes]),
  115. bwin32=false; AC_MSG_RESULT([no]))
  116. fi
  117. if test $bwin32 = true; then
  118. AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
  119. fi
  120. dnl Enable C99 when compiling with MIPSpro
  121. AC_MSG_CHECKING([for MIPSpro compiler])
  122. AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
  123. #if (defined(__sgi) && defined(_COMPILER_VERSION))
  124. #error
  125. return x(y);
  126. #endif
  127. ]),
  128. bmipspro=false; AC_MSG_RESULT(no),
  129. bmipspro=true; AC_MSG_RESULT(yes))
  130. if test $bmipspro = true; then
  131. CFLAGS="$CFLAGS -c99"
  132. fi
  133. AC_SEARCH_LIBS(socket, [socket])
  134. AC_SEARCH_LIBS(gethostbyname, [nsl])
  135. AC_SEARCH_LIBS(dlopen, [dl])
  136. AC_SEARCH_LIBS(inet_aton, [resolv])
  137. if test $enable_threads = "yes"; then
  138. AC_SEARCH_LIBS(pthread_create, [pthread])
  139. AC_SEARCH_LIBS(pthread_detach, [pthread])
  140. fi
  141. dnl -------------------------------------------------------------------
  142. dnl Check for functions before libevent, since libevent-1.2 apparently
  143. dnl exports strlcpy without defining it in a header.
  144. AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull ftello getaddrinfo localtime_r gmtime_r memmem strtok_r)
  145. if test $enable_threads = "yes"; then
  146. AC_CHECK_HEADERS(pthread.h)
  147. AC_CHECK_FUNCS(pthread_create)
  148. fi
  149. dnl ------------------------------------------------------
  150. dnl Where do you live, libevent? And how do we call you?
  151. if test $bwin32 = true; then
  152. WS32lib=-lws2_32
  153. GDIlib=-lgdi32
  154. else
  155. W32lib=
  156. GDIlib=
  157. fi
  158. dnl This is a disgusting hack so we safely include recent libevent headers.
  159. AC_CHECK_TYPE(u_int64_t, unsigned long long)
  160. AC_CHECK_TYPE(u_int32_t, unsigned long)
  161. AC_CHECK_TYPE(u_int16_t, unsigned short)
  162. AC_CHECK_TYPE(u_int8_t, unsigned char)
  163. if test $bwin32 = true; then
  164. WS32lib=-lws2_32
  165. GDIlib=-lgdi32
  166. else
  167. W32lib=
  168. GDIlib=
  169. fi
  170. TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $WS32lib], [
  171. #include <stdlib.h>
  172. #include <sys/time.h>
  173. #include <sys/types.h>
  174. #include <event.h>], [void exit(int); void *event_init(void);],
  175. [event_init(); exit(0);], [--with-libevent-dir], [/opt/libevent])
  176. dnl Now check for particular libevent functions.
  177. AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
  178. dnl ------------------------------------------------------
  179. dnl Where do you live, openssl? And how do we call you?
  180. TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $GDIlib],
  181. [#include <openssl/rand.h>],
  182. [void RAND_add(const void *buf, int num, double entropy);],
  183. [RAND_add((void*)0,0,0); exit(0);], [--with-ssl-dir],
  184. [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
  185. dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
  186. dnl Make sure to enable support for large off_t if avalable.
  187. AC_SYS_LARGEFILE
  188. dnl The warning message here is no longer strictly accurate.
  189. 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))
  190. AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h)
  191. AC_CHECK_HEADERS(event.h, , AC_MSG_ERROR(Libevent header (event.h) not found. Tor requires libevent to build.),
  192. [#ifdef HAVE_SYS_TYPES_H
  193. #include <sys/types.h>
  194. #endif
  195. #ifdef HAVE_SYS_TIME_H
  196. #include <sys/time.h>
  197. #else
  198. struct timeval {
  199. long tv_sec;
  200. long tv_usec;
  201. };
  202. #endif])
  203. AC_CHECK_HEADERS(zlib.h, , AC_MSG_ERROR(Zlib header (zlib.h) not found. Tor requires zlib to build. You may need to install a zlib development package.))
  204. dnl These headers are not essential
  205. 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)
  206. AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
  207. [#ifdef HAVE_SYS_TYPES_H
  208. #include <sys/types.h>
  209. #endif
  210. #ifdef HAVE_SYS_SOCKET_H
  211. #include <sys/socket.h>
  212. #endif])
  213. AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
  214. [#ifdef HAVE_SYS_TYPES_H
  215. #include <sys/types.h>
  216. #endif
  217. #ifdef HAVE_SYS_SOCKET_H
  218. #include <sys/socket.h>
  219. #endif
  220. #ifdef HAVE_NET_IF_H
  221. #include <net/if.h>
  222. #endif])
  223. AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
  224. linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
  225. [#ifdef HAVE_SYS_TYPES_H
  226. #include <sys/types.h>
  227. #endif
  228. #ifdef HAVE_SYS_SOCKET_H
  229. #include <sys/socket.h>
  230. #endif])
  231. if test x$transparent = xtrue ; then
  232. transparent_ok=0
  233. if test x$net_if_found = x1 -a x$net_pfvar_found = x1 ; then
  234. transparent_ok=1
  235. fi
  236. if test x$linux_netfilter_ipv4 = x1 ; then
  237. transparent_ok=1
  238. fi
  239. if test x$transparent_ok = x1 ; then
  240. AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
  241. case $host in
  242. *-*-openbsd*)
  243. AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
  244. esac
  245. else
  246. AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
  247. fi
  248. fi
  249. AC_FUNC_FSEEKO
  250. AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
  251. [#ifdef HAVE_SYS_TYPES_H
  252. #include <sys/types.h>
  253. #endif
  254. #ifdef HAVE_SYS_TIME_H
  255. #include <sys/time.h>
  256. #endif])
  257. dnl In case we aren't given a working stdint.h, we'll need to grow our own.
  258. dnl Watch out.
  259. AC_CHECK_SIZEOF(int8_t)
  260. AC_CHECK_SIZEOF(int16_t)
  261. AC_CHECK_SIZEOF(int32_t)
  262. AC_CHECK_SIZEOF(int64_t)
  263. AC_CHECK_SIZEOF(uint8_t)
  264. AC_CHECK_SIZEOF(uint16_t)
  265. AC_CHECK_SIZEOF(uint32_t)
  266. AC_CHECK_SIZEOF(uint64_t)
  267. AC_CHECK_SIZEOF(intptr_t)
  268. AC_CHECK_SIZEOF(uintptr_t)
  269. dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
  270. AC_CHECK_SIZEOF(char)
  271. AC_CHECK_SIZEOF(short)
  272. AC_CHECK_SIZEOF(int)
  273. AC_CHECK_SIZEOF(long)
  274. AC_CHECK_SIZEOF(long long)
  275. AC_CHECK_SIZEOF(__int64)
  276. AC_CHECK_SIZEOF(void *)
  277. AC_CHECK_SIZEOF(time_t)
  278. AC_CHECK_SIZEOF(size_t)
  279. AC_CHECK_TYPES([uint, u_char])
  280. AC_CHECK_TYPES([struct in6_addr, struct sockaddr_storage], , ,
  281. [#ifdef HAVE_SYS_TYPES_H
  282. #include <sys/types.h>
  283. #endif
  284. #ifdef HAVE_NETINET_IN_H
  285. #include <netinet/in.h>
  286. #endif
  287. #ifdef HAVE_NETINET_IN6_H
  288. #include <netinet/in6.h>
  289. #endif
  290. #ifdef HAVE_SYS_SOCKET_H
  291. #include <sys/socket.h>
  292. #endif])
  293. if test -z "$CROSS_COMPILE"; then
  294. AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
  295. AC_RUN_IFELSE(AC_LANG_SOURCE([
  296. #ifdef HAVE_SYS_TYPES_H
  297. #include <sys/types.h>
  298. #endif
  299. #ifdef HAVE_SYS_TIME_H
  300. #include <sys/time.h>
  301. #endif
  302. #ifdef HAVE_TIME_H
  303. #include <time.h>
  304. #endif
  305. int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
  306. tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes)
  307. ])
  308. else
  309. # Cross-compiling; let's hope the target platform isn't loony.
  310. AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
  311. tor_cv_time_t_signed=yes
  312. fi
  313. if test $tor_cv_time_t_signed = yes; then
  314. AC_DEFINE([TIME_T_IS_SIGNED], 1,
  315. [Define to 1 iff time_t is signed])
  316. fi
  317. AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
  318. #ifdef HAVE_SYS_SOCKET_H
  319. #include <sys/socket.h>
  320. #endif
  321. ])
  322. # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
  323. AC_CHECK_SIZEOF(cell_t)
  324. # Now make sure that NULL can be represented as zero bytes.
  325. if test -z "$CROSS_COMPILE"; then
  326. AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
  327. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  328. [[#include <stdlib.h>
  329. #include <string.h>
  330. #include <stdio.h>
  331. #ifdef HAVE_STDDEF_H
  332. #include <stddef.h>
  333. #endif
  334. int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
  335. return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
  336. [tor_cv_null_is_zero=yes],
  337. [tor_cv_null_is_zero=no],
  338. [tor_cv_null_is_zero=cross])])
  339. else
  340. # Cross-compiling; let's hope that the target isn't raving mad.
  341. AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
  342. tor_cv_null_is_zero=yes
  343. fi
  344. if test $tor_cv_null_is_zero = yes; then
  345. AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
  346. [Define to 1 iff memset(0) sets pointers to NULL])
  347. fi
  348. # And what happens when we malloc zero?
  349. if test -z "$CROSS_COMPILE"; then
  350. AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
  351. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  352. [[#include <stdlib.h>
  353. #include <string.h>
  354. #include <stdio.h>
  355. #ifdef HAVE_STDDEF_H
  356. #include <stddef.h>
  357. #endif
  358. int main () { return malloc(0)?0:1; }]])],
  359. [tor_cv_malloc_zero_works=yes],
  360. [tor_cv_malloc_zero_works=no],
  361. [tor_cv_malloc_zero_works=cross])])
  362. else
  363. # Cross-compiling; let's hope that the target isn't raving mad.
  364. AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
  365. tor_cv_malloc_zero_works=no
  366. fi
  367. if test $tor_cv_malloc_zero_works = yes; then
  368. AC_DEFINE([MALLOC_ZERO_WORKS], 1,
  369. [Define to 1 iff malloc(0) returns a pointer])
  370. fi
  371. # whether we seem to be in a 2s-complement world.
  372. if test -z "$CROSS_COMPILE"; then
  373. AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
  374. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  375. [[int main () { int problem = ((-99) != (~99)+1);
  376. return problem ? 1 : 0; }]])],
  377. [tor_cv_twos_complement=yes],
  378. [tor_cv_twos_complement=no],
  379. [tor_cv_twos_complement=cross])])
  380. else
  381. # Cross-compiling; let's hope that the target isn't raving mad.
  382. AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
  383. tor_cv_twos_complement=yes
  384. fi
  385. if test $tor_cv_twos_complement = yes; then
  386. AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
  387. [Define to 1 iff we represent negative integers with two's complement])
  388. fi
  389. # Whether we should use the dmalloc memory allocation debugging library.
  390. AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
  391. AC_ARG_WITH(dmalloc,
  392. [ --with-dmalloc Use debug memory allocation library. ],
  393. [if [[ "$withval" = "yes" ]]; then
  394. dmalloc=1
  395. AC_MSG_RESULT(yes)
  396. else
  397. dmalloc=1
  398. AC_MSG_RESULT(no)
  399. fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
  400. )
  401. if [[ $dmalloc -eq 1 ]]; then
  402. AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
  403. AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
  404. AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
  405. AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
  406. fi
  407. # Allow user to specify an alternate syslog facility
  408. AC_ARG_WITH(syslog-facility,
  409. [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
  410. syslog_facility="$withval", syslog_facility="LOG_DAEMON")
  411. AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
  412. AC_SUBST(LOGFACILITY)
  413. # Check for gethostbyname_r in all its glorious incompatible versions.
  414. # (This logic is based on that in Python's configure.in)
  415. AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
  416. [Define this if you have any gethostbyname_r()])
  417. AC_CHECK_FUNC(gethostbyname_r, [
  418. AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
  419. OLD_CFLAGS=$CFLAGS
  420. CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
  421. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
  422. #include <netdb.h>
  423. ], [[
  424. char *cp1, *cp2;
  425. struct hostent *h1, *h2;
  426. int i1, i2;
  427. (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
  428. ]]),[
  429. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  430. AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
  431. [Define this if gethostbyname_r takes 6 arguments])
  432. AC_MSG_RESULT(6)
  433. ], [
  434. AC_TRY_COMPILE([
  435. #include <netdb.h>
  436. ], [
  437. char *cp1, *cp2;
  438. struct hostent *h1;
  439. int i1, i2;
  440. (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
  441. ], [
  442. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  443. AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
  444. [Define this if gethostbyname_r takes 5 arguments])
  445. AC_MSG_RESULT(5)
  446. ], [
  447. AC_TRY_COMPILE([
  448. #include <netdb.h>
  449. ], [
  450. char *cp1;
  451. struct hostent *h1;
  452. struct hostent_data hd;
  453. (void) gethostbyname_r(cp1,h1,&hd);
  454. ], [
  455. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  456. AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
  457. [Define this if gethostbyname_r takes 3 arguments])
  458. AC_MSG_RESULT(3)
  459. ], [
  460. AC_MSG_RESULT(0)
  461. ])
  462. ])
  463. ])
  464. CFLAGS=$OLD_CFLAGS
  465. ])
  466. AC_CACHE_CHECK([whether the C compiler supports __func__],
  467. tor_cv_have_func_macro,
  468. AC_COMPILE_IFELSE([
  469. #include <stdio.h>
  470. int main(int c, char **v) { puts(__func__); }],
  471. tor_cv_have_func_macro=yes,
  472. tor_cv_have_func_macro=no))
  473. AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
  474. tor_cv_have_FUNC_macro,
  475. AC_COMPILE_IFELSE([
  476. #include <stdio.h>
  477. int main(int c, char **v) { puts(__FUNC__); }],
  478. tor_cv_have_FUNC_macro=yes,
  479. tor_cv_have_FUNC_macro=no))
  480. AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
  481. tor_cv_have_FUNCTION_macro,
  482. AC_COMPILE_IFELSE([
  483. #include <stdio.h>
  484. int main(int c, char **v) { puts(__FUNCTION__); }],
  485. tor_cv_have_FUNCTION_macro=yes,
  486. tor_cv_have_FUNCTION_macro=no))
  487. if test $tor_cv_have_func_macro = 'yes'; then
  488. AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
  489. fi
  490. if test $tor_cv_have_FUNC_macro = 'yes'; then
  491. AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
  492. fi
  493. if test $tor_cv_have_FUNCTION_macro = 'yes'; then
  494. AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
  495. [Defined if the compiler supports __FUNCTION__])
  496. fi
  497. # $prefix stores the value of the --prefix command line option, or
  498. # NONE if the option wasn't set. In the case that it wasn't set, make
  499. # it be the default, so that we can use it to expand directories now.
  500. if test "x$prefix" = "xNONE"; then
  501. prefix=$ac_default_prefix
  502. fi
  503. # and similarly for $exec_prefix
  504. if test "x$exec_prefix" = "xNONE"; then
  505. exec_prefix=$prefix
  506. fi
  507. if test "x$CONFDIR" = "x"; then
  508. CONFDIR=`eval echo $sysconfdir/tor`
  509. fi
  510. AC_SUBST(CONFDIR)
  511. AH_TEMPLATE([CONFDIR],[tor's configuration directory])
  512. AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
  513. BINDIR=`eval echo $bindir`
  514. AC_SUBST(BINDIR)
  515. LOCALSTATEDIR=`eval echo $localstatedir`
  516. AC_SUBST(LOCALSTATEDIR)
  517. AH_TEMPLATE([LOCALSTATEDIR], [Default location to store state files.])
  518. AC_DEFINE_UNQUOTED(LOCALSTATEDIR,"$LOCALSTATEDIR")
  519. # Set CFLAGS _after_ all the above checks, since our warnings are stricter
  520. # than autoconf's macros like.
  521. if test $ac_cv_c_compiler_gnu = yes; then
  522. CFLAGS="$CFLAGS -Wall -g -O2"
  523. else
  524. CFLAGS="$CFLAGS -g -O"
  525. enable_gcc_warnings=no
  526. fi
  527. # Add some more warnings which we use in the cvs version but not in the
  528. # released versions. (Some relevant gcc versions can't handle these.)
  529. if test x$enable_gcc_warnings = xyes; then
  530. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
  531. #if !defined(__GNUC__) || (__GNUC__ < 4)
  532. #error
  533. #endif]), have_gcc4=yes, have_gcc4=no)
  534. CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Waggregate-return -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
  535. if test x$have_gcc4 = xyes ; then
  536. # These warnings break gcc 3.3.5 and work on gcc 4.0.2
  537. CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
  538. fi
  539. ##This will break the world on some 64-bit architectures
  540. # CFLAGS="$CFLAGS -Winline"
  541. fi
  542. 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])
  543. AC_OUTPUT
  544. if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
  545. ./contrib/updateVersions.pl
  546. fi