configure.in 20 KB

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  1. dnl $Id$
  2. dnl Copyright (c) 2001-2004, Roger Dingledine
  3. dnl Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson
  4. dnl See LICENSE for licensing information
  5. AC_INIT
  6. AM_INIT_AUTOMAKE(tor, 0.1.2.0-alpha-cvs)
  7. AM_CONFIG_HEADER(orconfig.h)
  8. AC_CANONICAL_HOST
  9. if test -f /etc/redhat-release; then
  10. CFLAGS="$CFLAGS -I/usr/kerberos/include"
  11. fi
  12. AC_ARG_ENABLE(debug,
  13. AC_HELP_STRING(--enable-debug, compile with debugging info),
  14. [if test x$enableval = xyes; then
  15. CFLAGS="$CFLAGS -g"
  16. fi])
  17. AC_ARG_ENABLE(threads,
  18. AC_HELP_STRING(--disable-threads, disable multi-threading support))
  19. if test x$enable_threads = x; then
  20. case $host in
  21. *-*-netbsd* | *-*-openbsd* )
  22. # Don't try multithreading on netbsd -- there is no threadsafe DNS
  23. # lookup function there.
  24. AC_MSG_NOTICE([You are running OpenBSD or NetBSD; I am assuming that
  25. getaddrinfo is not threadsafe here, so I will disable threads.])
  26. enable_threads="no";;
  27. *-*-solaris* )
  28. # Don't try multithreading on solaris -- cpuworkers seem to lock.
  29. AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
  30. cpu workers lock up here, so I will disable threads.])
  31. enable_threads="no";;
  32. *)
  33. enable_threads="yes";;
  34. esac
  35. fi
  36. if test $enable_threads = "yes"; then
  37. AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
  38. fi
  39. AC_ARG_ENABLE(eventdns,
  40. AC_HELP_STRING(--enable-eventdns, enable asynchronous dns module),
  41. [case "${enableval}" in
  42. yes) eventdns=true ;;
  43. no) eventdns=false ;;
  44. *) AC_MSG_ERROR(bad value for --enable-eventdns) ;;
  45. esac], [eventdns=false])
  46. AM_CONDITIONAL(EVENTDNS, test x$eventdns = xtrue)
  47. if test x$eventdns = xtrue; then
  48. AC_DEFINE([USE_EVENTDNS], 1, "Define to 1 if we'll be using eventdns.c")
  49. fi
  50. AC_ARG_ENABLE(transparent,
  51. AC_HELP_STRING(--disable-transparent, disable transparent proxy support),
  52. [case "${enableval}" in
  53. yes) transparent=true ;;
  54. no) transparent=false ;;
  55. *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
  56. esac], [transparent=true])
  57. if test x$transparent = xtrue; then
  58. AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
  59. case $host in
  60. *-*-linux* )
  61. AC_DEFINE(TRANS_NETFILTER, 1, "Define for transparent netfilter") ;;
  62. *-*-openbsd*)
  63. AC_DEFINE(TRANS_PF, 1, "Define for transparent pf")
  64. AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
  65. *-*-*bsd* )
  66. AC_DEFINE(TRANS_PF, 1, "Define for transparent pf") ;;
  67. esac
  68. fi
  69. case $host in
  70. *-*-solaris* )
  71. AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
  72. ;;
  73. esac
  74. AC_PROG_CC
  75. AC_PROG_MAKE_SET
  76. AC_PROG_RANLIB
  77. # The big search for OpenSSL
  78. # copied from openssh's configure.ac
  79. tryssldir=""
  80. AC_ARG_WITH(ssl-dir,
  81. [ --with-ssl-dir=PATH Specify path to OpenSSL installation ],
  82. [
  83. if test "x$withval" != "xno" ; then
  84. tryssldir=$withval
  85. fi
  86. ]
  87. )
  88. trylibeventdir=""
  89. AC_ARG_WITH(libevent-dir,
  90. [ --with-libevent-dir=PATH Specify path to Libevent installation ],
  91. [
  92. if test "x$withval" != "xno" ; then
  93. trylibeventdir=$withval
  94. fi
  95. ]
  96. )
  97. TORUSER=_tor
  98. AC_ARG_WITH(tor-user,
  99. [ --with-tor-user=NAME Specify username for tor daemon ],
  100. [
  101. TORUSER=$withval
  102. ]
  103. )
  104. AC_SUBST(TORUSER)
  105. TORGROUP=_tor
  106. AC_ARG_WITH(tor-group,
  107. [ --with-tor-group=NAME Specify group name for tor daemon ],
  108. [
  109. TORGROUP=$withval
  110. ]
  111. )
  112. AC_SUBST(TORGROUP)
  113. AC_SEARCH_LIBS(socket, [socket])
  114. AC_SEARCH_LIBS(gethostbyname, [nsl])
  115. AC_SEARCH_LIBS(dlopen, [dl])
  116. if test $enable_threads = "yes"; then
  117. AC_SEARCH_LIBS(pthread_create, [pthread])
  118. AC_SEARCH_LIBS(pthread_detach, [pthread])
  119. fi
  120. dnl ------------------------------------------------------
  121. dnl Where do you live, libevent? And how do we call you?
  122. AC_CACHE_CHECK([for libevent directory], ac_cv_libevent_dir, [
  123. saved_LIBS="$LIBS"
  124. saved_LDFLAGS="$LDFLAGS"
  125. saved_CPPFLAGS="$CPPFLAGS"
  126. le_found=no
  127. for ledir in $trylibeventdir "" $prefix /usr/local ; do
  128. LDFLAGS="$saved_LDFLAGS"
  129. LIBS="$saved_LIBS -levent"
  130. # Skip the directory if it isn't there.
  131. if test ! -z "$ledir" -a ! -d "$ledir" ; then
  132. continue;
  133. fi
  134. if test ! -z "$ledir" ; then
  135. if test -d "$ledir/lib" ; then
  136. LDFLAGS="-L$ledir/lib $LDFLAGS"
  137. else
  138. LDFLAGS="-L$ledir $LDFLAGS"
  139. fi
  140. if test -d "$ledir/include" ; then
  141. CPPFLAGS="-I$ledir/include $CPPFLAGS"
  142. else
  143. CPPFLAGS="-I$ledir $CPPFLAGS"
  144. fi
  145. fi
  146. # Can I compile and link it?
  147. AC_TRY_LINK([#include <sys/time.h>
  148. #include <sys/types.h>
  149. #include <event.h>], [ event_init(); ],
  150. [ libevent_linked=yes ], [ libevent_linked=no ])
  151. if test $libevent_linked = yes; then
  152. if test ! -z "$ledir" ; then
  153. ac_cv_libevent_dir=$ledir
  154. else
  155. ac_cv_libevent_dir="(system)"
  156. fi
  157. le_found=yes
  158. break
  159. fi
  160. done
  161. LIBS="$saved_LIBS"
  162. LDFLAGS="$saved_LDFLAGS"
  163. CPPFLAGS="$saved_CPPFLAGS"
  164. if test $le_found = no ; then
  165. AC_MSG_ERROR([Could not find a linkable libevent. You can specify an explicit path using --with-libevent-dir])
  166. fi
  167. ])
  168. LIBS="$LIBS -levent"
  169. if test $ac_cv_libevent_dir != "(system)"; then
  170. if test -d "$ac_cv_libevent_dir/lib" ; then
  171. LDFLAGS="-L$ac_cv_libevent_dir/lib $LDFLAGS"
  172. le_libdir="$ac_cv_libevent_dir/lib"
  173. else
  174. LDFLAGS="-L$ac_cv_libevent_dir $LDFLAGS"
  175. le_libdir="$ac_cv_libevent_dir"
  176. fi
  177. if test -d "$ac_cv_libevent_dir/include" ; then
  178. CPPFLAGS="-I$ac_cv_libevent_dir/include $CPPFLAGS"
  179. else
  180. CPPFLAGS="-I$ac_cv_libevent_dir $CPPFLAGS"
  181. fi
  182. fi
  183. if test -z "$CROSS_COMPILE"; then
  184. AC_CACHE_CHECK([whether we need extra options to link libevent],
  185. ac_cv_libevent_linker_option, [
  186. saved_LDFLAGS="$LDFLAGS"
  187. le_runs=no
  188. linked_with=nothing
  189. for le_extra in "" "-Wl,-R$le_libdir" "-R$le_libdir" ; do
  190. LDFLAGS="$le_extra $saved_LDFLAGS"
  191. AC_TRY_RUN([void *event_init(void);
  192. int main(int c, char **v) {
  193. event_init(); return 0;
  194. }],
  195. libevent_runs=yes, libevent_runs=no)
  196. if test $libevent_runs = yes ; then
  197. if test -z "$le_extra" ; then
  198. ac_cv_libevent_linker_option='(none)'
  199. else
  200. ac_cv_libevent_linker_option=$le_extra
  201. fi
  202. le_runs=yes
  203. break
  204. fi
  205. done
  206. if test $le_runs = no ; then
  207. AC_MSG_ERROR([Found linkable libevent in $ac_cv_libevent_dir, but it doesn't run, even with -R. Maybe specify another using --with-libevent-dir?])
  208. fi
  209. LDFLAGS="$saved_LDFLAGS"
  210. ])
  211. if test $ac_cv_libevent_linker_option != '(none)' ; then
  212. LDFLAGS="$ac_cv_libevent_linker_option $LDFLAGS"
  213. fi
  214. fi
  215. dnl ------------------------------------------------------
  216. dnl Where do you live, openssl? And how do we call you?
  217. AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssl_dir, [
  218. saved_LIBS="$LIBS"
  219. saved_LDFLAGS="$LDFLAGS"
  220. saved_CPPFLAGS="$CPPFLAGS"
  221. ssl_found=no
  222. for ssldir in $tryssldir "" $prefix /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /usr/pkg /opt /opt/openssl ; do
  223. LDFLAGS="$saved_LDFLAGS"
  224. LIBS="$saved_LIBS -lssl -lcrypto"
  225. # Skip the directory if it isn't there.
  226. if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
  227. continue;
  228. fi
  229. if test ! -z "$ssldir" ; then
  230. if test -d "$ssldir/lib" ; then
  231. LDFLAGS="-L$ssldir/lib $LDFLAGS"
  232. else
  233. LDFLAGS="-L$ssldir $LDFLAGS"
  234. fi
  235. if test -d "$ssldir/include" ; then
  236. CPPFLAGS="-I$ssldir/include $CPPFLAGS"
  237. else
  238. CPPFLAGS="-I$ssldir $CPPFLAGS"
  239. fi
  240. fi
  241. # Can I link it?
  242. AC_TRY_LINK([#include <openssl/rand.h>],
  243. [ RAND_add((void*)0,0,0); ],
  244. [ openssl_linked=yes ], [ openssl_linked=no ])
  245. if test $openssl_linked = yes; then
  246. if test ! -z "$ssldir" ; then
  247. ac_cv_openssl_dir=$ssldir
  248. else
  249. ac_cv_openssl_dir="(system)"
  250. fi
  251. ssl_found=yes
  252. break
  253. fi
  254. done
  255. LIBS="$saved_LIBS"
  256. LDFLAGS="$saved_LDFLAGS"
  257. CPPFLAGS="$saved_CPPFLAGS"
  258. if test $ssl_found = no ; then
  259. AC_MSG_ERROR([Could not find a linkable OpenSSL. You can specify an explicit path using --with-ssl-dir])
  260. fi
  261. ])
  262. LIBS="$LIBS -lssl -lcrypto"
  263. if test "$ac_cv_openssl_dir" != "(system)"; then
  264. if test -d "$ac_cv_openssl_dir/lib" ; then
  265. LDFLAGS="-L$ac_cv_openssl_dir/lib $LDFLAGS"
  266. ssl_libdir="$ac_cv_openssl_dir/lib"
  267. else
  268. LDFLAGS="-L$ac_cv_openssl_dir $LDFLAGS"
  269. ssl_libdir="$ac_cv_openssl_dir"
  270. fi
  271. if test -d "$ac_cv_openssl_dir/include" ; then
  272. CPPFLAGS="-I$ac_cv_openssl_dir/include $CPPFLAGS"
  273. else
  274. CPPFLAGS="-I$ac_cv_openssl_dir $CPPFLAGS"
  275. fi
  276. fi
  277. if test -z $CROSS_COMPILE
  278. then
  279. AC_CACHE_CHECK([whether we need extra options to link OpenSSL],
  280. ac_cv_openssl_linker_option, [
  281. saved_LDFLAGS="$LDFLAGS"
  282. ssl_runs=no
  283. linked_with=nothing
  284. for ssl_extra in "" "-Wl,-R$ssl_libdir" "-R$ssl_libdir" ; do
  285. LDFLAGS="$ssl_extra $saved_LDFLAGS"
  286. AC_TRY_RUN([
  287. #include <string.h>
  288. #include <openssl/rand.h>
  289. int main(void)
  290. {
  291. char a[2048];
  292. memset(a, 0, sizeof(a));
  293. RAND_add(a, sizeof(a), sizeof(a));
  294. return(RAND_status() <= 0);
  295. }
  296. ],
  297. openssl_runs=yes, openssl_runs=no)
  298. if test $openssl_runs = yes ; then
  299. if test "$linked_with" = nothing; then
  300. linked_with="$ssl_extra"
  301. fi
  302. AC_TRY_RUN([
  303. #include <openssl/opensslv.h>
  304. #include <openssl/crypto.h>
  305. int main(void) {
  306. return (OPENSSL_VERSION_NUMBER == SSLeay()) == 0;
  307. }],
  308. right_version=yes, right_version=no)
  309. if test "$right_version" = yes; then
  310. if test -z "$ssl_extra" ; then
  311. ac_cv_openssl_linker_option='(none)'
  312. else
  313. ac_cv_openssl_linker_option=$ssl_extra
  314. fi
  315. ssl_runs=yes
  316. break
  317. fi
  318. fi
  319. done
  320. if test $ssl_runs = no ; then
  321. if test "$linked_with" = 'nothing' ; then
  322. AC_MSG_ERROR([Found linkable OpenSSL in $ac_cv_openssl_dir, but it doesn't run, even with -R. Maybe specify another using --with-ssl-dir?])
  323. else
  324. if test -z "$linked_with" ; then
  325. ac_cv_openssl_linker_option='(none)'
  326. else
  327. ac_cv_openssl_linker_option=$linked_with
  328. fi
  329. AC_MSG_WARN([I managed to make OpenSSL link and run, but I couldn't make it link against the same version I found header files for.])
  330. fi
  331. fi
  332. LDFLAGS="$saved_LDFLAGS"
  333. ])
  334. if test "$ac_cv_openssl_linker_option" != '(none)' ; then
  335. LDFLAGS="$ac_cv_openssl_linker_option $LDFLAGS"
  336. fi
  337. fi
  338. dnl Make sure to enable support for large off_t if avalable.
  339. AC_SYS_LARGEFILE
  340. dnl The warning message here is no longer strictly accurate.
  341. AC_CHECK_HEADERS(unistd.h string.h signal.h netdb.h ctype.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/ioctl.h sys/socket.h sys/time.h netinet/in.h arpa/inet.h errno.h assert.h time.h pwd.h grp.h, , AC_MSG_WARN(some headers were not found, compilation may fail))
  342. AC_CHECK_HEADERS(event.h, , AC_MSG_ERROR(Libevent header (event.h) not found. Tor requires libevent to build.))
  343. 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.))
  344. dnl These headers are not essential
  345. 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 stddef.h inttypes.h utime.h sys/utime.h sys/mman.h alloca.h)
  346. AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit setrlimit strlcat strlcpy strtoull getpwnam getpwuid ftello getaddrinfo localtime_r gmtime_r event_get_version event_get_method event_set_log_callback memmem mmap strtok_r)
  347. if test $enable_threads = "yes"; then
  348. AC_CHECK_HEADERS(pthread.h)
  349. AC_CHECK_FUNCS(pthread_create)
  350. fi
  351. AC_FUNC_FSEEKO
  352. AC_CHECK_MEMBERS([struct timeval.tv_sec])
  353. dnl In case we aren't given a working stdint.h, we'll need to grow our own.
  354. dnl Watch out.
  355. AC_CHECK_SIZEOF(int8_t)
  356. AC_CHECK_SIZEOF(int16_t)
  357. AC_CHECK_SIZEOF(int32_t)
  358. AC_CHECK_SIZEOF(int64_t)
  359. AC_CHECK_SIZEOF(uint8_t)
  360. AC_CHECK_SIZEOF(uint16_t)
  361. AC_CHECK_SIZEOF(uint32_t)
  362. AC_CHECK_SIZEOF(uint64_t)
  363. AC_CHECK_SIZEOF(intptr_t)
  364. AC_CHECK_SIZEOF(uintptr_t)
  365. dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
  366. AC_CHECK_SIZEOF(char)
  367. AC_CHECK_SIZEOF(short)
  368. AC_CHECK_SIZEOF(int)
  369. AC_CHECK_SIZEOF(long)
  370. AC_CHECK_SIZEOF(long long)
  371. AC_CHECK_SIZEOF(__int64)
  372. AC_CHECK_SIZEOF(void *)
  373. AC_CHECK_SIZEOF(time_t)
  374. if test -z "$CROSS_COMPILE"; then
  375. AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
  376. AC_TRY_RUN([
  377. int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }],
  378. tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes)
  379. ])
  380. else
  381. # Cross-compiling; let's hope the target platform isn't loony.
  382. AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
  383. tor_cv_time_t_signed=yes
  384. fi
  385. if test $tor_cv_time_t_signed = yes; then
  386. AC_DEFINE([TIME_T_IS_SIGNED], 1,
  387. [Define to 1 iff time_t is signed])
  388. fi
  389. AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
  390. #ifdef HAVE_SYS_SOCKET_H
  391. #include <sys/socket.h>
  392. #endif
  393. ])
  394. # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
  395. AC_CHECK_SIZEOF(cell_t)
  396. # Now make sure that NULL can be represented as zero bytes.
  397. if test -z "$CROSS_COMPILE"; then
  398. AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
  399. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  400. [[#include <stdlib.h>
  401. #include <string.h>
  402. #include <stdio.h>
  403. #ifdef HAVE_STDDEF_H
  404. #include <stddef.h>
  405. #endif
  406. int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
  407. return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
  408. [tor_cv_null_is_zero=yes],
  409. [tor_cv_null_is_zero=no],
  410. [tor_cv_null_is_zero=cross])])
  411. else
  412. # Cross-compiling; let's hope that the target isn't raving mad.
  413. AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
  414. tor_cv_null_is_zero=yes
  415. fi
  416. if test $tor_cv_null_is_zero = yes; then
  417. AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
  418. [Define to 1 iff memset(0) sets pointers to NULL])
  419. fi
  420. # Whether we should use the dmalloc memory allocation debugging library.
  421. AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
  422. AC_ARG_WITH(dmalloc,
  423. [ --with-dmalloc Use debug memory allocation library. ],
  424. [if [[ "$withval" = "yes" ]]; then
  425. dmalloc=1
  426. AC_MSG_RESULT(yes)
  427. else
  428. dmalloc=1
  429. AC_MSG_RESULT(no)
  430. fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
  431. )
  432. if [[ $dmalloc -eq 1 ]]; then
  433. AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
  434. AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
  435. AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
  436. AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
  437. fi
  438. # Allow user to specify an alternate syslog facility
  439. AC_ARG_WITH(syslog-facility,
  440. [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
  441. syslog_facility="$withval", syslog_facility="LOG_DAEMON")
  442. AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
  443. AC_SUBST(LOGFACILITY)
  444. # Check for gethostbyname_r in all its glorious incompatible versions.
  445. # (This logic is based on that in Python's configure.in)
  446. AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
  447. [Define this if you have any gethostbyname_r()])
  448. AC_CHECK_FUNC(gethostbyname_r, [
  449. AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
  450. OLD_CFLAGS=$CFLAGS
  451. CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
  452. AC_TRY_COMPILE([
  453. #include <netdb.h>
  454. ], [
  455. char *cp1, *cp2;
  456. struct hostent *h1, *h2;
  457. int i1, i2;
  458. (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
  459. ], [
  460. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  461. AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
  462. [Define this if gethostbyname_r takes 6 arguments])
  463. AC_MSG_RESULT(6)
  464. ], [
  465. AC_TRY_COMPILE([
  466. #include <netdb.h>
  467. ], [
  468. char *cp1, *cp2;
  469. struct hostent *h1;
  470. int i1, i2;
  471. (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
  472. ], [
  473. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  474. AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
  475. [Define this if gethostbyname_r takes 5 arguments])
  476. AC_MSG_RESULT(5)
  477. ], [
  478. AC_TRY_COMPILE([
  479. #include <netdb.h>
  480. ], [
  481. char *cp1;
  482. struct hostent *h1;
  483. struct hostent_data hd;
  484. (void) gethostbyname_r(cp1,h1,&hd);
  485. ], [
  486. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  487. AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
  488. [Define this if gethostbyname_r takes 3 arguments])
  489. AC_MSG_RESULT(3)
  490. ], [
  491. AC_MSG_RESULT(0)
  492. ])
  493. ])
  494. ])
  495. CFLAGS=$OLD_CFLAGS
  496. ])
  497. AC_CACHE_CHECK([whether the C compiler supports __func__],
  498. ac_cv_have_func_macro,
  499. AC_COMPILE_IFELSE([
  500. #include <stdio.h>
  501. int main(int c, char **v) { puts(__func__); }],
  502. ac_cv_have_func_macro=yes,
  503. ac_cv_have_func_macro=no))
  504. AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
  505. ac_cv_have_FUNC_macro,
  506. AC_COMPILE_IFELSE([
  507. #include <stdio.h>
  508. int main(int c, char **v) { puts(__FUNC__); }],
  509. ac_cv_have_FUNC_macro=yes,
  510. ac_cv_have_FUNC_macro=no))
  511. AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
  512. ac_cv_have_FUNCTION_macro,
  513. AC_COMPILE_IFELSE([
  514. #include <stdio.h>
  515. int main(int c, char **v) { puts(__FUNCTION__); }],
  516. ac_cv_have_FUNCTION_macro=yes,
  517. ac_cv_have_FUNCTION_macro=no))
  518. if test $ac_cv_have_func_macro = 'yes'; then
  519. AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
  520. fi
  521. if test $ac_cv_have_FUNC_macro = 'yes'; then
  522. AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
  523. fi
  524. if test $ac_cv_have_FUNCTION_macro = 'yes'; then
  525. AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
  526. [Defined if the compiler supports __FUNCTION__])
  527. fi
  528. # $prefix stores the value of the --prefix command line option, or
  529. # NONE if the option wasn't set. In the case that it wasn't set, make
  530. # it be the default, so that we can use it to expand directories now.
  531. if test "x$prefix" = "xNONE"; then
  532. prefix=$ac_default_prefix
  533. fi
  534. # and similarly for $exec_prefix
  535. if test "x$exec_prefix" = "xNONE"; then
  536. exec_prefix=$prefix
  537. fi
  538. CONFDIR=`eval echo $sysconfdir/tor`
  539. AC_SUBST(CONFDIR)
  540. AH_TEMPLATE([CONFDIR],[tor's configuration directory])
  541. AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
  542. BINDIR=`eval echo $bindir`
  543. AC_SUBST(BINDIR)
  544. LOCALSTATEDIR=`eval echo $localstatedir`
  545. AC_SUBST(LOCALSTATEDIR)
  546. AH_TEMPLATE([LOCALSTATEDIR], [Default location to store state files.])
  547. AC_DEFINE_UNQUOTED(LOCALSTATEDIR,"$LOCALSTATEDIR")
  548. # Set CFLAGS _after_ all the above checks, since our warnings are stricter
  549. # than autoconf's macros like.
  550. if test $ac_cv_c_compiler_gnu = yes; then
  551. CFLAGS="$CFLAGS -Wall -g -O2"
  552. else
  553. CFLAGS="$CFLAGS -g -O"
  554. fi
  555. # Add some more warnings which we use in the cvs version but not in the
  556. # released versions. (Some relevant gcc versions can't handle these.)
  557. #CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Winit-self -Wwrite-strings -Waggregate-return -Wmissing-declarations -Wmissing-field-initializers -Wredundant-decls -Winline"
  558. # Add these in when you feel like fun.
  559. #CFLAGS="$CFLAGS -Wbad-function-cast -Werror -Wdeclaration-after-statement -Wold-style-definition"
  560. echo "confdir: $CONFDIR"
  561. AC_OUTPUT(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 src/config/Makefile src/common/Makefile src/or/Makefile src/win32/Makefile src/tools/Makefile contrib/suse/Makefile contrib/suse/tor.sh)
  562. if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
  563. ./contrib/updateVersions.pl
  564. fi