configure.in 25 KB

123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286287288289290291292293294295296297298299300301302303304305306307308309310311312313314315316317318319320321322323324325326327328329330331332333334335336337338339340341342343344345346347348349350351352353354355356357358359360361362363364365366367368369370371372373374375376377378379380381382383384385386387388389390391392393394395396397398399400401402403404405406407408409410411412413414415416417418419420421422423424425426427428429430431432433434435436437438439440441442443444445446447448449450451452453454455456457458459460461462463464465466467468469470471472473474475476477478479480481482483484485486487488489490491492493494495496497498499500501502503504505506507508509510511512513514515516517518519520521522523524525526527528529530531532533534535536537538539540541542543544545546547548549550551552553554555556557558559560561562563564565566567568569570571572573574575576577578579580581582583584585586587588589590591592593594595596597598599600601602603604605606607608609610611612613614615616617618619620621622623624625626627628629630631632633634635636637638639640641642643644645646647648649650651652653654655656657658659660661662663664665666667668669670671672673674675676677678679680681682683684685686687688689690691692693694695696697698699700701702703704705706707708709710711712713714715716717718719720721722723724725726727728729730731732733734735736737738739740741742743744745746747748749750751752753754755756757758759760761762763764765766767768769770771772773774775776777778779780781782783784785786787788789790791792793794795796797798799800801802803804805806807808809810811812813814815816817818819820821822823824825826827828829830831832833834835836
  1. dnl Copyright (c) 2001-2004, Roger Dingledine
  2. dnl Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson
  3. dnl Copyright (c) 2007-2008, The Tor Project, Inc.
  4. dnl See LICENSE for licensing information
  5. AC_INIT
  6. AM_INIT_AUTOMAKE(tor, 0.2.2.0-alpha-dev)
  7. AM_CONFIG_HEADER(orconfig.h)
  8. AC_CANONICAL_HOST
  9. if test -f /etc/redhat-release ; then
  10. if test -f /usr/kerberos/include ; then
  11. CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
  12. fi
  13. fi
  14. # Not a no-op; we want to make sure that CPPFLAGS is set before we use
  15. # the += operator on it in src/or/Makefile.am
  16. CPPFLAGS="$CPPFLAGS -I\${top_srcdir}/src/common"
  17. AC_ARG_ENABLE(debug,
  18. AS_HELP_STRING(--enable-debug, compile with debugging info),
  19. [if test x$enableval = xyes; then
  20. CFLAGS="$CFLAGS -g"
  21. fi])
  22. #XXXX ideally, we should make this into a no-op, and detect whether we're
  23. #compiling for the iphone by using $target.
  24. AC_ARG_ENABLE(iphone,
  25. AS_HELP_STRING(--enable-iphone, compile with iPhone support),
  26. [if test x$enableval = xyes ; then
  27. tor_cv_iphone=true
  28. CFLAGS="$CFLAGS -D__DARWIN_UNIX03 -DIPHONE"
  29. fi])
  30. #XXXX020 We should make these enabled or not, before 0.2.0.x-final
  31. AC_ARG_ENABLE(buf-freelists,
  32. AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM))
  33. AC_ARG_ENABLE(openbsd-malloc,
  34. AS_HELP_STRING(--enable-openbsd-malloc, Use malloc code from openbsd. Linux only))
  35. AC_ARG_ENABLE(instrument-downloads,
  36. AS_HELP_STRING(--enable-instrument-downloads, Instrument downloads of directory resources etc.))
  37. if test x$enable_buf_freelists != xno; then
  38. AC_DEFINE(ENABLE_BUF_FREELISTS, 1,
  39. [Defined if we try to use freelists for buffer RAM chunks])
  40. fi
  41. AM_CONDITIONAL(USE_OPENBSD_MALLOC, test x$enable_openbsd_malloc = xyes)
  42. if test x$enable_instrument_downloads = xyes; then
  43. AC_DEFINE(INSTRUMENT_DOWNLOADS, 1,
  44. [Defined if we want to keep track of how much of each kind of resource we download.])
  45. fi
  46. AC_ARG_ENABLE(transparent,
  47. AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
  48. [case "${enableval}" in
  49. yes) transparent=true ;;
  50. no) transparent=false ;;
  51. *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
  52. esac], [transparent=true])
  53. AC_ARG_ENABLE(threads,
  54. AS_HELP_STRING(--disable-threads, disable multi-threading support))
  55. if test x$enable_threads = x; then
  56. case $host in
  57. *-*-solaris* )
  58. # Don't try multithreading on solaris -- cpuworkers seem to lock.
  59. AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
  60. cpu workers lock up here, so I will disable threads.])
  61. enable_threads="no";;
  62. *)
  63. enable_threads="yes";;
  64. esac
  65. fi
  66. if test "$enable_threads" = "yes"; then
  67. AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
  68. fi
  69. case $host in
  70. *-*-solaris* )
  71. AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
  72. ;;
  73. esac
  74. AC_ARG_ENABLE(geoip-stats,
  75. AS_HELP_STRING(--enable-geoip-stats, enable code for directories to collect per-country statistics))
  76. if test "$enable_geoip_stats" = "yes"; then
  77. AC_DEFINE(ENABLE_GEOIP_STATS, 1, [Defined if we try to collect per-country statistics])
  78. fi
  79. AC_ARG_ENABLE(gcc-warnings,
  80. AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
  81. AC_ARG_ENABLE(local-appdata,
  82. AS_HELP_STRING(--enable-local-appdata, default to host local application data paths on Windows))
  83. if test "$enable_local_appdata" = "yes"; then
  84. AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
  85. [Defined if we default to host local appdata paths on Windows])
  86. fi
  87. AC_PROG_CC
  88. AC_PROG_CPP
  89. AC_PROG_MAKE_SET
  90. AC_PROG_RANLIB
  91. AC_PROG_SED
  92. AC_PATH_PROG([SHA1SUM], [sha1sum], none)
  93. AC_PATH_PROG([OPENSSL], [openssl], none)
  94. TORUSER=_tor
  95. AC_ARG_WITH(tor-user,
  96. [ --with-tor-user=NAME Specify username for tor daemon ],
  97. [
  98. TORUSER=$withval
  99. ]
  100. )
  101. AC_SUBST(TORUSER)
  102. TORGROUP=_tor
  103. AC_ARG_WITH(tor-group,
  104. [ --with-tor-group=NAME Specify group name for tor daemon ],
  105. [
  106. TORGROUP=$withval
  107. ]
  108. )
  109. AC_SUBST(TORGROUP)
  110. dnl If WIN32 is defined and non-zero, we are building for win32
  111. AC_MSG_CHECKING([for win32])
  112. AC_RUN_IFELSE([
  113. int main(int c, char **v) {
  114. #ifdef WIN32
  115. #if WIN32
  116. return 0;
  117. #else
  118. return 1;
  119. #endif
  120. #else
  121. return 2;
  122. #endif
  123. }],
  124. bwin32=true; AC_MSG_RESULT([yes]),
  125. bwin32=false; AC_MSG_RESULT([no]),
  126. bwin32=cross; AC_MSG_RESULT([cross])
  127. )
  128. if test "$bwin32" = cross; then
  129. AC_MSG_CHECKING([for win32 (cross)])
  130. AC_COMPILE_IFELSE([
  131. #ifdef WIN32
  132. int main(int c, char **v) {return 0;}
  133. #else
  134. #error
  135. int main(int c, char **v) {return x(y);}
  136. #endif
  137. ],
  138. bwin32=true; AC_MSG_RESULT([yes]),
  139. bwin32=false; AC_MSG_RESULT([no]))
  140. fi
  141. if test "$bwin32" = true; then
  142. AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
  143. fi
  144. AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
  145. dnl Enable C99 when compiling with MIPSpro
  146. AC_MSG_CHECKING([for MIPSpro compiler])
  147. AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
  148. #if (defined(__sgi) && defined(_COMPILER_VERSION))
  149. #error
  150. return x(y);
  151. #endif
  152. ]),
  153. bmipspro=false; AC_MSG_RESULT(no),
  154. bmipspro=true; AC_MSG_RESULT(yes))
  155. if test "$bmipspro" = true; then
  156. CFLAGS="$CFLAGS -c99"
  157. fi
  158. AC_C_BIGENDIAN
  159. AC_SEARCH_LIBS(socket, [socket])
  160. AC_SEARCH_LIBS(gethostbyname, [nsl])
  161. AC_SEARCH_LIBS(dlopen, [dl])
  162. AC_SEARCH_LIBS(inet_aton, [resolv])
  163. if test "$enable_threads" = "yes"; then
  164. AC_SEARCH_LIBS(pthread_create, [pthread])
  165. AC_SEARCH_LIBS(pthread_detach, [pthread])
  166. fi
  167. dnl -------------------------------------------------------------------
  168. dnl Check for functions before libevent, since libevent-1.2 apparently
  169. dnl exports strlcpy without defining it in a header.
  170. AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull getaddrinfo localtime_r gmtime_r memmem strtok_r writev readv flock prctl)
  171. using_custom_malloc=no
  172. if test x$enable_openbsd_malloc = xyes ; then
  173. AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
  174. using_custom_malloc=yes
  175. fi
  176. if test x$tcmalloc = xyes ; then
  177. using_custom_malloc=yes
  178. fi
  179. if test $using_custom_malloc = no ; then
  180. AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
  181. fi
  182. if test "$enable_threads" = "yes"; then
  183. AC_CHECK_HEADERS(pthread.h)
  184. AC_CHECK_FUNCS(pthread_create)
  185. fi
  186. dnl ------------------------------------------------------
  187. dnl Where do you live, libevent? And how do we call you?
  188. if test "$bwin32" = true; then
  189. TOR_LIB_WS32=-lws2_32
  190. # Some of the cargo-cults recommend -lwsock32 as well, but I don't
  191. # think it's actually necessary.
  192. TOR_LIB_GDI=-lgdi32
  193. else
  194. TOR_LIB_WS32=
  195. TOR_LIB_GDI=
  196. fi
  197. AC_SUBST(TOR_LIB_WS32)
  198. AC_SUBST(TOR_LIB_GDI)
  199. dnl We need to do this before we try our disgusting hack below.
  200. AC_CHECK_HEADERS([sys/types.h])
  201. dnl This is a disgusting hack so we safely include older libevent headers.
  202. AC_CHECK_TYPE(u_int64_t, unsigned long long)
  203. AC_CHECK_TYPE(u_int32_t, unsigned long)
  204. AC_CHECK_TYPE(u_int16_t, unsigned short)
  205. AC_CHECK_TYPE(u_int8_t, unsigned char)
  206. tor_libevent_pkg_redhat="libevent"
  207. tor_libevent_pkg_debian="libevent-dev"
  208. tor_libevent_devpkg_redhat="libevent-devel"
  209. tor_libevent_devpkg_debian="libevent-dev"
  210. TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
  211. #ifdef WIN32
  212. #include <winsock2.h>
  213. #endif
  214. #include <stdlib.h>
  215. #include <sys/time.h>
  216. #include <sys/types.h>
  217. #include <event.h>], [
  218. #ifdef WIN32
  219. #include <winsock2.h>
  220. #endif
  221. void exit(int); void *event_init(void);],
  222. [
  223. #ifdef WIN32
  224. {WSADATA d; WSAStartup(0x101,&d); }
  225. #endif
  226. event_init(); exit(0);
  227. ], [--with-libevent-dir], [/opt/libevent])
  228. dnl Now check for particular libevent functions.
  229. save_LIBS="$LIBS"
  230. save_LDFLAGS="$LDFLAGS"
  231. save_CPPFLAGS="$CPPFLAGS"
  232. LIBS="-levent $TOR_LIB_WS32 $LIBS"
  233. LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
  234. CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
  235. AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
  236. AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
  237. [#include <event.h>
  238. ])
  239. LIBS="$save_LIBS"
  240. LDFLAGS="$save_LDFLAGS"
  241. CPPFLAGS="$save_CPPFLAGS"
  242. dnl ------------------------------------------------------
  243. dnl Where do you live, openssl? And how do we call you?
  244. tor_openssl_pkg_redhat="openssl"
  245. tor_openssl_pkg_debian="libssl"
  246. tor_openssl_devpkg_redhat="openssl-devel"
  247. tor_openssl_devpkg_debian="libssl-dev"
  248. ALT_openssl_WITHVAL=""
  249. AC_ARG_WITH(ssl-dir,
  250. [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
  251. [
  252. if test "x$withval" != xno && test "x$withval" != "x" ; then
  253. ALT_openssl_WITHVAL="$withval"
  254. fi
  255. ])
  256. TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
  257. [#include <openssl/rand.h>],
  258. [void RAND_add(const void *buf, int num, double entropy);],
  259. [RAND_add((void*)0,0,0); exit(0);], [],
  260. [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
  261. dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
  262. dnl ------------------------------------------------------
  263. dnl Where do you live, zlib? And how do we call you?
  264. tor_openssl_pkg_redhat="zlib"
  265. tor_openssl_pkg_debian="zlib1g"
  266. tor_openssl_devpkg_redhat="zlib-devel"
  267. tor_openssl_devpkg_debian="zlib1g-dev"
  268. TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
  269. [#include <zlib.h>],
  270. [const char * zlibVersion(void);],
  271. [zlibVersion(); exit(0);], [--with-zlib-dir],
  272. [/opt/zlib])
  273. dnl Make sure to enable support for large off_t if available.
  274. AC_SYS_LARGEFILE
  275. AC_CHECK_HEADERS(unistd.h string.h signal.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
  276. AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h sys/uio.h)
  277. dnl These headers are not essential
  278. AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netinet/in6.h malloc.h sys/syslimits.h malloc/malloc.h linux/types.h sys/file.h malloc_np.h sys/prctl.h)
  279. TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
  280. [#ifdef HAVE_MALLOC_H
  281. #include <malloc.h>
  282. #endif
  283. #ifdef HAVE_MALLOC_MALLOC_H
  284. #include <malloc/malloc.h>
  285. #endif])
  286. AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
  287. [#ifdef HAVE_SYS_TYPES_H
  288. #include <sys/types.h>
  289. #endif
  290. #ifdef HAVE_SYS_SOCKET_H
  291. #include <sys/socket.h>
  292. #endif])
  293. AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
  294. [#ifdef HAVE_SYS_TYPES_H
  295. #include <sys/types.h>
  296. #endif
  297. #ifdef HAVE_SYS_SOCKET_H
  298. #include <sys/socket.h>
  299. #endif
  300. #ifdef HAVE_NET_IF_H
  301. #include <net/if.h>
  302. #endif])
  303. AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
  304. linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
  305. [#ifdef HAVE_SYS_TYPES_H
  306. #include <sys/types.h>
  307. #endif
  308. #ifdef HAVE_SYS_SOCKET_H
  309. #include <sys/socket.h>
  310. #endif
  311. #ifdef HAVE_LIMITS_H
  312. #include <limits.h>
  313. #endif
  314. #ifdef HAVE_LINUX_TYPES_H
  315. #include <linux/types.h>
  316. #endif
  317. #ifdef HAVE_NETINET_IN6_H
  318. #include <netinet/in6.h>
  319. #endif
  320. #ifdef HAVE_NETINET_IN_H
  321. #include <netinet/in.h>
  322. #endif])
  323. if test x$transparent = xtrue ; then
  324. transparent_ok=0
  325. if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
  326. transparent_ok=1
  327. fi
  328. if test x$linux_netfilter_ipv4 = x1 ; then
  329. transparent_ok=1
  330. fi
  331. if test x$transparent_ok = x1 ; then
  332. AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
  333. case $host in
  334. *-*-openbsd*)
  335. AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
  336. esac
  337. else
  338. AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
  339. fi
  340. fi
  341. AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
  342. [#ifdef HAVE_SYS_TYPES_H
  343. #include <sys/types.h>
  344. #endif
  345. #ifdef HAVE_SYS_TIME_H
  346. #include <sys/time.h>
  347. #endif])
  348. dnl In case we aren't given a working stdint.h, we'll need to grow our own.
  349. dnl Watch out.
  350. AC_CHECK_SIZEOF(int8_t)
  351. AC_CHECK_SIZEOF(int16_t)
  352. AC_CHECK_SIZEOF(int32_t)
  353. AC_CHECK_SIZEOF(int64_t)
  354. AC_CHECK_SIZEOF(uint8_t)
  355. AC_CHECK_SIZEOF(uint16_t)
  356. AC_CHECK_SIZEOF(uint32_t)
  357. AC_CHECK_SIZEOF(uint64_t)
  358. AC_CHECK_SIZEOF(intptr_t)
  359. AC_CHECK_SIZEOF(uintptr_t)
  360. dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
  361. AC_CHECK_SIZEOF(char)
  362. AC_CHECK_SIZEOF(short)
  363. AC_CHECK_SIZEOF(int)
  364. AC_CHECK_SIZEOF(long)
  365. AC_CHECK_SIZEOF(long long)
  366. AC_CHECK_SIZEOF(__int64)
  367. AC_CHECK_SIZEOF(void *)
  368. AC_CHECK_SIZEOF(time_t)
  369. AC_CHECK_SIZEOF(size_t)
  370. AC_CHECK_TYPES([uint, u_char, ssize_t])
  371. dnl used to include sockaddr_storage, but everybody has that.
  372. AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
  373. [#ifdef HAVE_SYS_TYPES_H
  374. #include <sys/types.h>
  375. #endif
  376. #ifdef HAVE_NETINET_IN_H
  377. #include <netinet/in.h>
  378. #endif
  379. #ifdef HAVE_NETINET_IN6_H
  380. #include <netinet/in6.h>
  381. #endif
  382. #ifdef HAVE_SYS_SOCKET_H
  383. #include <sys/socket.h>
  384. #endif
  385. #ifdef MS_WINDOWS
  386. #define WIN32_WINNT 0x400
  387. #define _WIN32_WINNT 0x400
  388. #define WIN32_LEAN_AND_MEAN
  389. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  390. #include <winsock.h>
  391. #else
  392. #include <winsock2.h>
  393. #include <ws2tcpip.h>
  394. #endif
  395. #endif
  396. ])
  397. AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
  398. [#ifdef HAVE_SYS_TYPES_H
  399. #include <sys/types.h>
  400. #endif
  401. #ifdef HAVE_NETINET_IN_H
  402. #include <netinet/in.h>
  403. #endif
  404. #ifdef HAVE_NETINET_IN6_H
  405. #include <netinet/in6.h>
  406. #endif
  407. #ifdef HAVE_SYS_SOCKET_H
  408. #include <sys/socket.h>
  409. #endif
  410. #ifdef MS_WINDOWS
  411. #define WIN32_WINNT 0x400
  412. #define _WIN32_WINNT 0x400
  413. #define WIN32_LEAN_AND_MEAN
  414. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  415. #include <winsock.h>
  416. #else
  417. #include <winsock2.h>
  418. #include <ws2tcpip.h>
  419. #endif
  420. #endif
  421. ])
  422. AC_CHECK_TYPES([rlim_t], , ,
  423. [#ifdef HAVE_SYS_TYPES_H
  424. #include <sys/types.h>
  425. #endif
  426. #ifdef HAVE_SYS_TIME_H
  427. #include <sys/time.h>
  428. #endif
  429. #ifdef HAVE_SYS_RESOURCE_H
  430. #include <sys/resource.h>
  431. #endif
  432. ])
  433. AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
  434. AC_RUN_IFELSE(AC_LANG_SOURCE([
  435. #ifdef HAVE_SYS_TYPES_H
  436. #include <sys/types.h>
  437. #endif
  438. #ifdef HAVE_SYS_TIME_H
  439. #include <sys/time.h>
  440. #endif
  441. #ifdef HAVE_TIME_H
  442. #include <time.h>
  443. #endif
  444. int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
  445. tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
  446. ])
  447. if test "$tor_cv_time_t_signed" = cross; then
  448. AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
  449. fi
  450. if test "$tor_cv_time_t_signed" != no; then
  451. AC_DEFINE([TIME_T_IS_SIGNED], 1,
  452. [Define to 1 iff time_t is signed])
  453. fi
  454. AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
  455. #ifdef HAVE_SYS_SOCKET_H
  456. #include <sys/socket.h>
  457. #endif
  458. ])
  459. # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
  460. AC_CHECK_SIZEOF(cell_t)
  461. # Now make sure that NULL can be represented as zero bytes.
  462. AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
  463. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  464. [[#include <stdlib.h>
  465. #include <string.h>
  466. #include <stdio.h>
  467. #ifdef HAVE_STDDEF_H
  468. #include <stddef.h>
  469. #endif
  470. int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
  471. return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
  472. [tor_cv_null_is_zero=yes],
  473. [tor_cv_null_is_zero=no],
  474. [tor_cv_null_is_zero=cross])])
  475. if test "$tor_cv_null_is_zero" = cross ; then
  476. # Cross-compiling; let's hope that the target isn't raving mad.
  477. AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
  478. fi
  479. if test "$tor_cv_null_is_zero" != no; then
  480. AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
  481. [Define to 1 iff memset(0) sets pointers to NULL])
  482. fi
  483. # And what happens when we malloc zero?
  484. AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
  485. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  486. [[#include <stdlib.h>
  487. #include <string.h>
  488. #include <stdio.h>
  489. #ifdef HAVE_STDDEF_H
  490. #include <stddef.h>
  491. #endif
  492. int main () { return malloc(0)?0:1; }]])],
  493. [tor_cv_malloc_zero_works=yes],
  494. [tor_cv_malloc_zero_works=no],
  495. [tor_cv_malloc_zero_works=cross])])
  496. if test "$tor_cv_malloc_zero_works" = cross; then
  497. # Cross-compiling; let's hope that the target isn't raving mad.
  498. AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
  499. fi
  500. if test "$tor_cv_malloc_zero_works" = yes; then
  501. AC_DEFINE([MALLOC_ZERO_WORKS], 1,
  502. [Define to 1 iff malloc(0) returns a pointer])
  503. fi
  504. # whether we seem to be in a 2s-complement world.
  505. AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
  506. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  507. [[int main () { int problem = ((-99) != (~99)+1);
  508. return problem ? 1 : 0; }]])],
  509. [tor_cv_twos_complement=yes],
  510. [tor_cv_twos_complement=no],
  511. [tor_cv_twos_complement=cross])])
  512. if test "$tor_cv_twos_complement" = cross ; then
  513. # Cross-compiling; let's hope that the target isn't raving mad.
  514. AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
  515. fi
  516. if test "$tor_cv_twos_complement" != no ; then
  517. AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
  518. [Define to 1 iff we represent negative integers with two's complement])
  519. fi
  520. # Whether we should use the dmalloc memory allocation debugging library.
  521. AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
  522. AC_ARG_WITH(dmalloc,
  523. [ --with-dmalloc Use debug memory allocation library. ],
  524. [if [[ "$withval" = "yes" ]]; then
  525. dmalloc=1
  526. AC_MSG_RESULT(yes)
  527. else
  528. dmalloc=1
  529. AC_MSG_RESULT(no)
  530. fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
  531. )
  532. if [[ $dmalloc -eq 1 ]]; then
  533. AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
  534. AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
  535. AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
  536. AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
  537. AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
  538. fi
  539. AC_ARG_WITH(tcmalloc,
  540. [ --with-tcmalloc Use tcmalloc memory allocation library. ],
  541. [ tcmalloc=yes ], [ tcmalloc=no ])
  542. if test x$tcmalloc = xyes ; then
  543. LDFLAGS="-ltcmalloc $LDFLAGS"
  544. fi
  545. # Allow user to specify an alternate syslog facility
  546. AC_ARG_WITH(syslog-facility,
  547. [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
  548. syslog_facility="$withval", syslog_facility="LOG_DAEMON")
  549. AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
  550. AC_SUBST(LOGFACILITY)
  551. # Check if we have getresuid and getresgid
  552. AC_CHECK_FUNCS(getresuid getresgid)
  553. # Check for gethostbyname_r in all its glorious incompatible versions.
  554. # (This logic is based on that in Python's configure.in)
  555. AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
  556. [Define this if you have any gethostbyname_r()])
  557. AC_CHECK_FUNC(gethostbyname_r, [
  558. AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
  559. OLD_CFLAGS=$CFLAGS
  560. CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
  561. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
  562. #include <netdb.h>
  563. ], [[
  564. char *cp1, *cp2;
  565. struct hostent *h1, *h2;
  566. int i1, i2;
  567. (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
  568. ]]),[
  569. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  570. AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
  571. [Define this if gethostbyname_r takes 6 arguments])
  572. AC_MSG_RESULT(6)
  573. ], [
  574. AC_TRY_COMPILE([
  575. #include <netdb.h>
  576. ], [
  577. char *cp1, *cp2;
  578. struct hostent *h1;
  579. int i1, i2;
  580. (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
  581. ], [
  582. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  583. AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
  584. [Define this if gethostbyname_r takes 5 arguments])
  585. AC_MSG_RESULT(5)
  586. ], [
  587. AC_TRY_COMPILE([
  588. #include <netdb.h>
  589. ], [
  590. char *cp1;
  591. struct hostent *h1;
  592. struct hostent_data hd;
  593. (void) gethostbyname_r(cp1,h1,&hd);
  594. ], [
  595. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  596. AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
  597. [Define this if gethostbyname_r takes 3 arguments])
  598. AC_MSG_RESULT(3)
  599. ], [
  600. AC_MSG_RESULT(0)
  601. ])
  602. ])
  603. ])
  604. CFLAGS=$OLD_CFLAGS
  605. ])
  606. AC_CACHE_CHECK([whether the C compiler supports __func__],
  607. tor_cv_have_func_macro,
  608. AC_COMPILE_IFELSE([
  609. #include <stdio.h>
  610. int main(int c, char **v) { puts(__func__); }],
  611. tor_cv_have_func_macro=yes,
  612. tor_cv_have_func_macro=no))
  613. AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
  614. tor_cv_have_FUNC_macro,
  615. AC_COMPILE_IFELSE([
  616. #include <stdio.h>
  617. int main(int c, char **v) { puts(__FUNC__); }],
  618. tor_cv_have_FUNC_macro=yes,
  619. tor_cv_have_FUNC_macro=no))
  620. AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
  621. tor_cv_have_FUNCTION_macro,
  622. AC_COMPILE_IFELSE([
  623. #include <stdio.h>
  624. int main(int c, char **v) { puts(__FUNCTION__); }],
  625. tor_cv_have_FUNCTION_macro=yes,
  626. tor_cv_have_FUNCTION_macro=no))
  627. if test "$tor_cv_have_func_macro" = 'yes'; then
  628. AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
  629. fi
  630. if test "$tor_cv_have_FUNC_macro" = 'yes'; then
  631. AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
  632. fi
  633. if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
  634. AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
  635. [Defined if the compiler supports __FUNCTION__])
  636. fi
  637. # $prefix stores the value of the --prefix command line option, or
  638. # NONE if the option wasn't set. In the case that it wasn't set, make
  639. # it be the default, so that we can use it to expand directories now.
  640. if test "x$prefix" = "xNONE"; then
  641. prefix=$ac_default_prefix
  642. fi
  643. # and similarly for $exec_prefix
  644. if test "x$exec_prefix" = "xNONE"; then
  645. exec_prefix=$prefix
  646. fi
  647. if test "x$CONFDIR" = "x"; then
  648. CONFDIR=`eval echo $sysconfdir/tor`
  649. fi
  650. AC_SUBST(CONFDIR)
  651. AH_TEMPLATE([CONFDIR],[tor's configuration directory])
  652. AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
  653. BINDIR=`eval echo $bindir`
  654. AC_SUBST(BINDIR)
  655. LOCALSTATEDIR=`eval echo $localstatedir`
  656. AC_SUBST(LOCALSTATEDIR)
  657. # Set CFLAGS _after_ all the above checks, since our warnings are stricter
  658. # than autoconf's macros like.
  659. if test "$GCC" = yes; then
  660. CFLAGS="$CFLAGS -Wall -g -O2"
  661. # Disable GCC's strict aliasing checks. They are an hours-to-debug
  662. # accident waiting to happen.
  663. CFLAGS="$CFLAGS -fno-strict-aliasing"
  664. else
  665. CFLAGS="$CFLAGS -g -O"
  666. enable_gcc_warnings=no
  667. fi
  668. # Add some more warnings which we use in development but not in the
  669. # released versions. (Some relevant gcc versions can't handle these.)
  670. if test x$enable_gcc_warnings = xyes; then
  671. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
  672. #if !defined(__GNUC__) || (__GNUC__ < 4)
  673. #error
  674. #endif]), have_gcc4=yes, have_gcc4=no)
  675. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
  676. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
  677. #error
  678. #endif]), have_gcc42=yes, have_gcc42=no)
  679. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
  680. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
  681. #error
  682. #endif]), have_gcc43=yes, have_gcc43=no)
  683. save_CFLAGS="$CFLAGS"
  684. CFLAGS="$CFLAGS -Wshorten-64-to-32"
  685. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes,
  686. have_shorten64_flag=no)
  687. CFLAGS="$save_CFLAGS"
  688. CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
  689. # Disabled, so we can use mallinfo(): -Waggregate-return
  690. if test x$have_gcc4 = xyes ; then
  691. # These warnings break gcc 3.3.5 and work on gcc 4.0.2
  692. CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
  693. fi
  694. if test x$have_gcc42 = xyes ; then
  695. # These warnings break gcc 4.0.2 and work on gcc 4.2
  696. # XXXX020 Use -fstack-protector.
  697. # XXXX020 See if any of these work with earlier versions.
  698. CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1"
  699. # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
  700. fi
  701. if test x$have_gcc43 = xyes ; then
  702. # These warnings break gcc 4.2 and work on gcc 4.3
  703. # XXXX020 See if any of these work with earlier versions.
  704. CFLAGS="$CFLAGS -Wextra -Warray-bounds"
  705. fi
  706. if test x$have_shorten64_flag = xyes ; then
  707. CFLAGS="$CFLAGS -Wshorten-64-to-32"
  708. fi
  709. ##This will break the world on some 64-bit architectures
  710. # CFLAGS="$CFLAGS -Winline"
  711. fi
  712. CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
  713. AC_CONFIG_FILES([Makefile tor.spec Doxyfile contrib/tor.sh contrib/torctl contrib/torify contrib/tor.logrotate contrib/Makefile contrib/osx/Makefile contrib/osx/TorBundleDesc.plist contrib/osx/TorBundleInfo.plist contrib/osx/TorDesc.plist contrib/osx/TorInfo.plist contrib/osx/TorStartupDesc.plist src/config/torrc.sample 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])
  714. AC_OUTPUT
  715. if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
  716. ./contrib/updateVersions.pl
  717. fi