configure.in 22 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, 0.1.2.1-alpha-dev)
  7. AM_CONFIG_HEADER(orconfig.h)
  8. AC_CANONICAL_HOST
  9. if test -f /etc/redhat-release; then
  10. CFLAGS="$CFLAGS -I/usr/kerberos/include"
  11. fi
  12. AC_ARG_ENABLE(debug,
  13. AC_HELP_STRING(--enable-debug, compile with debugging info),
  14. [if test x$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=true])
  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. case $host in
  58. *-*-solaris* )
  59. AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
  60. ;;
  61. esac
  62. AC_PROG_CC
  63. AC_PROG_MAKE_SET
  64. AC_PROG_RANLIB
  65. # If WIN32 is defined and non-zero, we are building for win32
  66. AC_MSG_CHECKING([for win32])
  67. AC_TRY_COMPILE(,
  68. [
  69. #ifdef WIN32
  70. #if WIN32
  71. //all is well
  72. #else
  73. #error
  74. #endif
  75. #else
  76. #error
  77. #endif
  78. ],
  79. bwin32=true; AC_MSG_RESULT([yes]),
  80. bwin32=false; AC_MSG_RESULT([no])
  81. )
  82. if test $bwin32 = true; then
  83. AC_DEFINE(MS_WINDOWS,1, [Define to 1 if we are building for a Windows platform.])
  84. fi
  85. # The big search for OpenSSL
  86. # copied from openssh's configure.ac
  87. tryssldir=""
  88. AC_ARG_WITH(ssl-dir,
  89. [ --with-ssl-dir=PATH Specify path to OpenSSL installation ],
  90. [
  91. if test "x$withval" != "xno" ; then
  92. tryssldir=$withval
  93. fi
  94. ]
  95. )
  96. trylibeventdir=""
  97. AC_ARG_WITH(libevent-dir,
  98. [ --with-libevent-dir=PATH Specify path to Libevent installation ],
  99. [
  100. if test "x$withval" != "xno" ; then
  101. trylibeventdir=$withval
  102. fi
  103. ]
  104. )
  105. TORUSER=_tor
  106. AC_ARG_WITH(tor-user,
  107. [ --with-tor-user=NAME Specify username for tor daemon ],
  108. [
  109. TORUSER=$withval
  110. ]
  111. )
  112. AC_SUBST(TORUSER)
  113. TORGROUP=_tor
  114. AC_ARG_WITH(tor-group,
  115. [ --with-tor-group=NAME Specify group name for tor daemon ],
  116. [
  117. TORGROUP=$withval
  118. ]
  119. )
  120. AC_SUBST(TORGROUP)
  121. AC_SEARCH_LIBS(socket, [socket])
  122. AC_SEARCH_LIBS(gethostbyname, [nsl])
  123. AC_SEARCH_LIBS(dlopen, [dl])
  124. if test $enable_threads = "yes"; then
  125. AC_SEARCH_LIBS(pthread_create, [pthread])
  126. AC_SEARCH_LIBS(pthread_detach, [pthread])
  127. fi
  128. dnl ------------------------------------------------------
  129. dnl Where do you live, libevent? And how do we call you?
  130. AC_CACHE_CHECK([for libevent directory], ac_cv_libevent_dir, [
  131. saved_LIBS="$LIBS"
  132. saved_LDFLAGS="$LDFLAGS"
  133. saved_CPPFLAGS="$CPPFLAGS"
  134. le_found=no
  135. for ledir in $trylibeventdir "" $prefix /usr/local ; do
  136. LDFLAGS="$saved_LDFLAGS"
  137. if test $bwin32 = true; then
  138. LIBS="$saved_LIBS -levent -lws2_32"
  139. else
  140. LIBS="$saved_LIBS -levent"
  141. fi
  142. # Skip the directory if it isn't there.
  143. if test ! -z "$ledir" -a ! -d "$ledir" ; then
  144. continue;
  145. fi
  146. if test ! -z "$ledir" ; then
  147. if test -d "$ledir/lib" ; then
  148. LDFLAGS="-L$ledir/lib $LDFLAGS"
  149. else
  150. LDFLAGS="-L$ledir $LDFLAGS"
  151. fi
  152. if test -d "$ledir/include" ; then
  153. CPPFLAGS="-I$ledir/include $CPPFLAGS"
  154. else
  155. CPPFLAGS="-I$ledir $CPPFLAGS"
  156. fi
  157. fi
  158. # Can I compile and link it?
  159. AC_TRY_LINK([#include <sys/time.h>
  160. #include <sys/types.h>
  161. #include <event.h>], [ event_init(); ],
  162. [ libevent_linked=yes ], [ libevent_linked=no ])
  163. if test $libevent_linked = yes; then
  164. if test ! -z "$ledir" ; then
  165. ac_cv_libevent_dir=$ledir
  166. else
  167. ac_cv_libevent_dir="(system)"
  168. fi
  169. le_found=yes
  170. break
  171. fi
  172. done
  173. LIBS="$saved_LIBS"
  174. LDFLAGS="$saved_LDFLAGS"
  175. CPPFLAGS="$saved_CPPFLAGS"
  176. if test $le_found = no ; then
  177. AC_MSG_ERROR([Could not find a linkable libevent. You can specify an explicit path using --with-libevent-dir])
  178. fi
  179. ])
  180. if test $bwin32 = true; then
  181. LIBS="$LIBS -levent -lws2_32"
  182. else
  183. LIBS="$LIBS -levent"
  184. fi
  185. if test $ac_cv_libevent_dir != "(system)"; then
  186. if test -d "$ac_cv_libevent_dir/lib" ; then
  187. LDFLAGS="-L$ac_cv_libevent_dir/lib $LDFLAGS"
  188. le_libdir="$ac_cv_libevent_dir/lib"
  189. else
  190. LDFLAGS="-L$ac_cv_libevent_dir $LDFLAGS"
  191. le_libdir="$ac_cv_libevent_dir"
  192. fi
  193. if test -d "$ac_cv_libevent_dir/include" ; then
  194. CPPFLAGS="-I$ac_cv_libevent_dir/include $CPPFLAGS"
  195. else
  196. CPPFLAGS="-I$ac_cv_libevent_dir $CPPFLAGS"
  197. fi
  198. fi
  199. if test -z "$CROSS_COMPILE"; then
  200. AC_CACHE_CHECK([whether we need extra options to link libevent],
  201. ac_cv_libevent_linker_option, [
  202. saved_LDFLAGS="$LDFLAGS"
  203. le_runs=no
  204. linked_with=nothing
  205. for le_extra in "" "-Wl,-R$le_libdir" "-R$le_libdir" ; do
  206. LDFLAGS="$le_extra $saved_LDFLAGS"
  207. AC_TRY_RUN([void *event_init(void);
  208. int main(int c, char **v) {
  209. event_init(); return 0;
  210. }],
  211. libevent_runs=yes, libevent_runs=no)
  212. if test $libevent_runs = yes ; then
  213. if test -z "$le_extra" ; then
  214. ac_cv_libevent_linker_option='(none)'
  215. else
  216. ac_cv_libevent_linker_option=$le_extra
  217. fi
  218. le_runs=yes
  219. break
  220. fi
  221. done
  222. if test $le_runs = no ; then
  223. AC_MSG_ERROR([Found linkable libevent in $ac_cv_libevent_dir, but it doesn't run, even with -R. Maybe specify another using --with-libevent-dir?])
  224. fi
  225. LDFLAGS="$saved_LDFLAGS"
  226. ])
  227. if test $ac_cv_libevent_linker_option != '(none)' ; then
  228. LDFLAGS="$ac_cv_libevent_linker_option $LDFLAGS"
  229. fi
  230. fi
  231. dnl ------------------------------------------------------
  232. dnl Where do you live, openssl? And how do we call you?
  233. AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssl_dir, [
  234. saved_LIBS="$LIBS"
  235. saved_LDFLAGS="$LDFLAGS"
  236. saved_CPPFLAGS="$CPPFLAGS"
  237. ssl_found=no
  238. for ssldir in $tryssldir "" $prefix /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /usr/pkg /opt /opt/openssl ; do
  239. LDFLAGS="$saved_LDFLAGS"
  240. if test $bwin32 = true; then
  241. LIBS="$saved_LIBS -lssl -lcrypto -lws2_32 -lgdi32"
  242. else
  243. LIBS="$saved_LIBS -lssl -lcrypto"
  244. fi
  245. # Skip the directory if it isn't there.
  246. if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
  247. continue;
  248. fi
  249. if test ! -z "$ssldir" ; then
  250. if test -d "$ssldir/lib" ; then
  251. LDFLAGS="-L$ssldir/lib $LDFLAGS"
  252. else
  253. LDFLAGS="-L$ssldir $LDFLAGS"
  254. fi
  255. if test -d "$ssldir/include" ; then
  256. CPPFLAGS="-I$ssldir/include $CPPFLAGS"
  257. else
  258. CPPFLAGS="-I$ssldir $CPPFLAGS"
  259. fi
  260. fi
  261. # Can I link it?
  262. AC_TRY_LINK([#include <openssl/rand.h>],
  263. [ RAND_add((void*)0,0,0); ],
  264. [ openssl_linked=yes ], [ openssl_linked=no ])
  265. if test $openssl_linked = yes; then
  266. if test ! -z "$ssldir" ; then
  267. ac_cv_openssl_dir=$ssldir
  268. else
  269. ac_cv_openssl_dir="(system)"
  270. fi
  271. ssl_found=yes
  272. break
  273. fi
  274. done
  275. LIBS="$saved_LIBS"
  276. LDFLAGS="$saved_LDFLAGS"
  277. CPPFLAGS="$saved_CPPFLAGS"
  278. if test $ssl_found = no ; then
  279. AC_MSG_ERROR([Could not find a linkable OpenSSL. You can specify an explicit path using --with-ssl-dir])
  280. fi
  281. ])
  282. if test $bwin32 = true; then
  283. LIBS="$LIBS -lssl -lcrypto -lws2_32 -lgdi32"
  284. else
  285. LIBS="$LIBS -lssl -lcrypto"
  286. fi
  287. if test "$ac_cv_openssl_dir" != "(system)"; then
  288. if test -d "$ac_cv_openssl_dir/lib" ; then
  289. LDFLAGS="-L$ac_cv_openssl_dir/lib $LDFLAGS"
  290. ssl_libdir="$ac_cv_openssl_dir/lib"
  291. else
  292. LDFLAGS="-L$ac_cv_openssl_dir $LDFLAGS"
  293. ssl_libdir="$ac_cv_openssl_dir"
  294. fi
  295. if test -d "$ac_cv_openssl_dir/include" ; then
  296. CPPFLAGS="-I$ac_cv_openssl_dir/include $CPPFLAGS"
  297. else
  298. CPPFLAGS="-I$ac_cv_openssl_dir $CPPFLAGS"
  299. fi
  300. fi
  301. if test -z $CROSS_COMPILE
  302. then
  303. AC_CACHE_CHECK([whether we need extra options to link OpenSSL],
  304. ac_cv_openssl_linker_option, [
  305. saved_LDFLAGS="$LDFLAGS"
  306. ssl_runs=no
  307. linked_with=nothing
  308. for ssl_extra in "" "-Wl,-R$ssl_libdir" "-R$ssl_libdir" ; do
  309. LDFLAGS="$ssl_extra $saved_LDFLAGS"
  310. AC_TRY_RUN([
  311. #include <string.h>
  312. #include <openssl/rand.h>
  313. int main(void)
  314. {
  315. char a[2048];
  316. memset(a, 0, sizeof(a));
  317. RAND_add(a, sizeof(a), sizeof(a));
  318. return(RAND_status() <= 0);
  319. }
  320. ],
  321. openssl_runs=yes, openssl_runs=no)
  322. if test $openssl_runs = yes ; then
  323. if test "$linked_with" = nothing; then
  324. linked_with="$ssl_extra"
  325. fi
  326. AC_TRY_RUN([
  327. #include <openssl/opensslv.h>
  328. #include <openssl/crypto.h>
  329. int main(void) {
  330. return (OPENSSL_VERSION_NUMBER == SSLeay()) == 0;
  331. }],
  332. right_version=yes, right_version=no)
  333. if test "$right_version" = yes; then
  334. if test -z "$ssl_extra" ; then
  335. ac_cv_openssl_linker_option='(none)'
  336. else
  337. ac_cv_openssl_linker_option=$ssl_extra
  338. fi
  339. ssl_runs=yes
  340. break
  341. fi
  342. fi
  343. done
  344. if test $ssl_runs = no ; then
  345. if test "$linked_with" = 'nothing' ; then
  346. AC_MSG_ERROR([Found linkable OpenSSL in $ac_cv_openssl_dir, but it doesn't run, even with -R. Maybe specify another using --with-ssl-dir?])
  347. else
  348. if test -z "$linked_with" ; then
  349. ac_cv_openssl_linker_option='(none)'
  350. else
  351. ac_cv_openssl_linker_option=$linked_with
  352. fi
  353. AC_MSG_WARN([I managed to make OpenSSL link and run, but I couldn't make it link against the same version I found header files for.])
  354. fi
  355. fi
  356. LDFLAGS="$saved_LDFLAGS"
  357. ])
  358. if test "$ac_cv_openssl_linker_option" != '(none)' ; then
  359. LDFLAGS="$ac_cv_openssl_linker_option $LDFLAGS"
  360. fi
  361. fi
  362. dnl Make sure to enable support for large off_t if avalable.
  363. AC_SYS_LARGEFILE
  364. dnl The warning message here is no longer strictly accurate.
  365. 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))
  366. AC_CHECK_HEADERS(event.h, , AC_MSG_ERROR(Libevent header (event.h) not found. Tor requires libevent to build.),
  367. [#ifdef HAVE_SYS_TYPES_H
  368. #include <sys/types.h>
  369. #endif
  370. #ifdef HAVE_SYS_TIME_H
  371. #include <sys/time.h>
  372. #else
  373. struct timeval {
  374. long tv_sec;
  375. long tv_usec;
  376. };
  377. #endif])
  378. 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.))
  379. dnl These headers are not essential
  380. 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)
  381. AC_CHECK_HEADERS(net/if.h, [net_if_found=1], [net_if_found=0],
  382. [#ifdef HAVE_SYS_TYPES_H
  383. #include <sys/types.h>
  384. #endif
  385. #ifdef HAVE_SYS_SOCKET_H
  386. #include <sys/socket.h>
  387. #endif])
  388. AC_CHECK_HEADERS(net/pfvar.h, [net_pfvar_found=1], [net_pfvar_found=0],
  389. [#ifdef HAVE_SYS_TYPES_H
  390. #include <sys/types.h>
  391. #endif
  392. #ifdef HAVE_SYS_SOCKET_H
  393. #include <sys/socket.h>
  394. #endif
  395. #ifdef HAVE_NET_IF_H
  396. #include <net/if.h>
  397. #endif])
  398. AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
  399. [linux_netfilter_ipv4=1], [linux_netfilter_ipv4=0],
  400. [#ifdef HAVE_SYS_SOCKET_H
  401. #include <sys/socket.h>
  402. #endif])
  403. AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull ftello getaddrinfo localtime_r gmtime_r event_get_version event_get_method event_set_log_callback memmem strtok_r)
  404. if test $enable_threads = "yes"; then
  405. AC_CHECK_HEADERS(pthread.h)
  406. AC_CHECK_FUNCS(pthread_create)
  407. fi
  408. if test x$transparent = xtrue ; then
  409. transparent_ok=0
  410. if test x$net_if_found = x1 -a x$net_pfvar_found = x1 ; then
  411. transparent_ok=1
  412. fi
  413. if test x$linux_netfilter_ipv4 = x1 ; then
  414. transparent_ok=1
  415. fi
  416. if test x$transparent_ok = x1 ; then
  417. AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
  418. case $host in
  419. *-*-openbsd*)
  420. AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
  421. esac
  422. else
  423. AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
  424. fi
  425. fi
  426. AC_FUNC_FSEEKO
  427. AC_CHECK_MEMBERS([struct timeval.tv_sec])
  428. dnl In case we aren't given a working stdint.h, we'll need to grow our own.
  429. dnl Watch out.
  430. AC_CHECK_SIZEOF(int8_t)
  431. AC_CHECK_SIZEOF(int16_t)
  432. AC_CHECK_SIZEOF(int32_t)
  433. AC_CHECK_SIZEOF(int64_t)
  434. AC_CHECK_SIZEOF(uint8_t)
  435. AC_CHECK_SIZEOF(uint16_t)
  436. AC_CHECK_SIZEOF(uint32_t)
  437. AC_CHECK_SIZEOF(uint64_t)
  438. AC_CHECK_SIZEOF(intptr_t)
  439. AC_CHECK_SIZEOF(uintptr_t)
  440. dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
  441. AC_CHECK_SIZEOF(char)
  442. AC_CHECK_SIZEOF(short)
  443. AC_CHECK_SIZEOF(int)
  444. AC_CHECK_SIZEOF(long)
  445. AC_CHECK_SIZEOF(long long)
  446. AC_CHECK_SIZEOF(__int64)
  447. AC_CHECK_SIZEOF(void *)
  448. AC_CHECK_SIZEOF(time_t)
  449. AC_CHECK_TYPES([uint, u_char])
  450. if test -z "$CROSS_COMPILE"; then
  451. AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
  452. AC_TRY_RUN([
  453. int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }],
  454. tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes)
  455. ])
  456. else
  457. # Cross-compiling; let's hope the target platform isn't loony.
  458. AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
  459. tor_cv_time_t_signed=yes
  460. fi
  461. if test $tor_cv_time_t_signed = yes; then
  462. AC_DEFINE([TIME_T_IS_SIGNED], 1,
  463. [Define to 1 iff time_t is signed])
  464. fi
  465. AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
  466. #ifdef HAVE_SYS_SOCKET_H
  467. #include <sys/socket.h>
  468. #endif
  469. ])
  470. # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
  471. AC_CHECK_SIZEOF(cell_t)
  472. # Now make sure that NULL can be represented as zero bytes.
  473. if test -z "$CROSS_COMPILE"; then
  474. AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
  475. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  476. [[#include <stdlib.h>
  477. #include <string.h>
  478. #include <stdio.h>
  479. #ifdef HAVE_STDDEF_H
  480. #include <stddef.h>
  481. #endif
  482. int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
  483. return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
  484. [tor_cv_null_is_zero=yes],
  485. [tor_cv_null_is_zero=no],
  486. [tor_cv_null_is_zero=cross])])
  487. else
  488. # Cross-compiling; let's hope that the target isn't raving mad.
  489. AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
  490. tor_cv_null_is_zero=yes
  491. fi
  492. if test $tor_cv_null_is_zero = yes; then
  493. AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
  494. [Define to 1 iff memset(0) sets pointers to NULL])
  495. fi
  496. # And what happens when we malloc zero?
  497. if test -z "$CROSS_COMPILE"; then
  498. AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
  499. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  500. [[#include <stdlib.h>
  501. #include <string.h>
  502. #include <stdio.h>
  503. #ifdef HAVE_STDDEF_H
  504. #include <stddef.h>
  505. #endif
  506. int main () { return malloc(0)?0:1; }]])],
  507. [tor_cv_malloc_zero_works=yes],
  508. [tor_cv_malloc_zero_works=no],
  509. [tor_cv_malloc_zero_works=cross])])
  510. else
  511. # Cross-compiling; let's hope that the target isn't raving mad.
  512. AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
  513. tor_cv_malloc_zero_works=no
  514. fi
  515. if test $tor_cv_malloc_zero_works = yes; then
  516. AC_DEFINE([MALLOC_ZERO_WORKS], 1,
  517. [Define to 1 iff malloc(0) returns a pointer])
  518. fi
  519. # Whether we should use the dmalloc memory allocation debugging library.
  520. AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
  521. AC_ARG_WITH(dmalloc,
  522. [ --with-dmalloc Use debug memory allocation library. ],
  523. [if [[ "$withval" = "yes" ]]; then
  524. dmalloc=1
  525. AC_MSG_RESULT(yes)
  526. else
  527. dmalloc=1
  528. AC_MSG_RESULT(no)
  529. fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
  530. )
  531. if [[ $dmalloc -eq 1 ]]; then
  532. AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
  533. AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
  534. AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
  535. AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
  536. fi
  537. # Allow user to specify an alternate syslog facility
  538. AC_ARG_WITH(syslog-facility,
  539. [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
  540. syslog_facility="$withval", syslog_facility="LOG_DAEMON")
  541. AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
  542. AC_SUBST(LOGFACILITY)
  543. # Check for gethostbyname_r in all its glorious incompatible versions.
  544. # (This logic is based on that in Python's configure.in)
  545. AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
  546. [Define this if you have any gethostbyname_r()])
  547. AC_CHECK_FUNC(gethostbyname_r, [
  548. AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
  549. OLD_CFLAGS=$CFLAGS
  550. CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
  551. AC_TRY_COMPILE([
  552. #include <netdb.h>
  553. ], [
  554. char *cp1, *cp2;
  555. struct hostent *h1, *h2;
  556. int i1, i2;
  557. (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
  558. ], [
  559. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  560. AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
  561. [Define this if gethostbyname_r takes 6 arguments])
  562. AC_MSG_RESULT(6)
  563. ], [
  564. AC_TRY_COMPILE([
  565. #include <netdb.h>
  566. ], [
  567. char *cp1, *cp2;
  568. struct hostent *h1;
  569. int i1, i2;
  570. (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
  571. ], [
  572. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  573. AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
  574. [Define this if gethostbyname_r takes 5 arguments])
  575. AC_MSG_RESULT(5)
  576. ], [
  577. AC_TRY_COMPILE([
  578. #include <netdb.h>
  579. ], [
  580. char *cp1;
  581. struct hostent *h1;
  582. struct hostent_data hd;
  583. (void) gethostbyname_r(cp1,h1,&hd);
  584. ], [
  585. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  586. AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
  587. [Define this if gethostbyname_r takes 3 arguments])
  588. AC_MSG_RESULT(3)
  589. ], [
  590. AC_MSG_RESULT(0)
  591. ])
  592. ])
  593. ])
  594. CFLAGS=$OLD_CFLAGS
  595. ])
  596. AC_CACHE_CHECK([whether the C compiler supports __func__],
  597. ac_cv_have_func_macro,
  598. AC_COMPILE_IFELSE([
  599. #include <stdio.h>
  600. int main(int c, char **v) { puts(__func__); }],
  601. ac_cv_have_func_macro=yes,
  602. ac_cv_have_func_macro=no))
  603. AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
  604. ac_cv_have_FUNC_macro,
  605. AC_COMPILE_IFELSE([
  606. #include <stdio.h>
  607. int main(int c, char **v) { puts(__FUNC__); }],
  608. ac_cv_have_FUNC_macro=yes,
  609. ac_cv_have_FUNC_macro=no))
  610. AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
  611. ac_cv_have_FUNCTION_macro,
  612. AC_COMPILE_IFELSE([
  613. #include <stdio.h>
  614. int main(int c, char **v) { puts(__FUNCTION__); }],
  615. ac_cv_have_FUNCTION_macro=yes,
  616. ac_cv_have_FUNCTION_macro=no))
  617. if test $ac_cv_have_func_macro = 'yes'; then
  618. AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
  619. fi
  620. if test $ac_cv_have_FUNC_macro = 'yes'; then
  621. AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
  622. fi
  623. if test $ac_cv_have_FUNCTION_macro = 'yes'; then
  624. AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
  625. [Defined if the compiler supports __FUNCTION__])
  626. fi
  627. # $prefix stores the value of the --prefix command line option, or
  628. # NONE if the option wasn't set. In the case that it wasn't set, make
  629. # it be the default, so that we can use it to expand directories now.
  630. if test "x$prefix" = "xNONE"; then
  631. prefix=$ac_default_prefix
  632. fi
  633. # and similarly for $exec_prefix
  634. if test "x$exec_prefix" = "xNONE"; then
  635. exec_prefix=$prefix
  636. fi
  637. CONFDIR=`eval echo $sysconfdir/tor`
  638. AC_SUBST(CONFDIR)
  639. AH_TEMPLATE([CONFDIR],[tor's configuration directory])
  640. AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
  641. BINDIR=`eval echo $bindir`
  642. AC_SUBST(BINDIR)
  643. LOCALSTATEDIR=`eval echo $localstatedir`
  644. AC_SUBST(LOCALSTATEDIR)
  645. AH_TEMPLATE([LOCALSTATEDIR], [Default location to store state files.])
  646. AC_DEFINE_UNQUOTED(LOCALSTATEDIR,"$LOCALSTATEDIR")
  647. # Set CFLAGS _after_ all the above checks, since our warnings are stricter
  648. # than autoconf's macros like.
  649. if test $ac_cv_c_compiler_gnu = yes; then
  650. CFLAGS="$CFLAGS -Wall -g -O2"
  651. else
  652. CFLAGS="$CFLAGS -g -O"
  653. fi
  654. # Add some more warnings which we use in the cvs version but not in the
  655. # released versions. (Some relevant gcc versions can't handle these.)
  656. #CFLAGS="$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 -Wnested-externs -Wswitch-enums"
  657. # Add these in when you feel like fun.
  658. #CFLAGS="$CFLAGS -Wbad-function-cast -Werror -Wdeclaration-after-statement -Wold-style-definition"
  659. echo "confdir: $CONFDIR"
  660. 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)
  661. if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
  662. ./contrib/updateVersions.pl
  663. fi