configure.in 27 KB

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  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, 0.2.2.10-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. #XXXX020 We should make these enabled or not, before 0.2.0.x-final
  18. AC_ARG_ENABLE(buf-freelists,
  19. AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM))
  20. AC_ARG_ENABLE(openbsd-malloc,
  21. AS_HELP_STRING(--enable-openbsd-malloc, Use malloc code from openbsd. Linux only))
  22. AC_ARG_ENABLE(instrument-downloads,
  23. AS_HELP_STRING(--enable-instrument-downloads, Instrument downloads of directory resources etc.))
  24. AC_ARG_ENABLE(static-openssl,
  25. AS_HELP_STRING(--enable-static-openssl, Link against a static openssl library. Requires --with-openssl-dir))
  26. AC_ARG_ENABLE(static-libevent,
  27. AS_HELP_STRING(--enable-static-libevent, Link against a static libevent library. Requires --with-libevent-dir))
  28. AC_ARG_ENABLE(static-zlib,
  29. AS_HELP_STRING(--enable-static-zlib, Link against a static zlib library. Requires --with-zlib-dir))
  30. if test x$enable_buf_freelists != xno; then
  31. AC_DEFINE(ENABLE_BUF_FREELISTS, 1,
  32. [Defined if we try to use freelists for buffer RAM chunks])
  33. fi
  34. AM_CONDITIONAL(USE_OPENBSD_MALLOC, test x$enable_openbsd_malloc = xyes)
  35. if test x$enable_instrument_downloads = xyes; then
  36. AC_DEFINE(INSTRUMENT_DOWNLOADS, 1,
  37. [Defined if we want to keep track of how much of each kind of resource we download.])
  38. fi
  39. AC_ARG_ENABLE(transparent,
  40. AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
  41. [case "${enableval}" in
  42. yes) transparent=true ;;
  43. no) transparent=false ;;
  44. *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
  45. esac], [transparent=true])
  46. AC_ARG_ENABLE(asciidoc,
  47. AS_HELP_STRING(--disable-asciidoc, don't use asciidoc (disables building of manpages)),
  48. [case "${enableval}" in
  49. yes) asciidoc=true ;;
  50. no) asciidoc=false ;;
  51. *) AC_MSG_ERROR(bad value for --disable-asciidoc) ;;
  52. esac], [asciidoc=true])
  53. AC_ARG_ENABLE(threads,
  54. AS_HELP_STRING(--disable-threads, disable multi-threading support))
  55. if test x$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 $host in
  70. *-*-solaris* )
  71. AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
  72. ;;
  73. esac
  74. AC_ARG_ENABLE(gcc-warnings,
  75. AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
  76. AC_ARG_ENABLE(gcc-warnings-advisory,
  77. AS_HELP_STRING(--enable-gcc-warnings-advisory, [enable verbose warnings, excluding -Werror]))
  78. AC_ARG_ENABLE(local-appdata,
  79. AS_HELP_STRING(--enable-local-appdata, default to host local application data paths on Windows))
  80. if test "$enable_local_appdata" = "yes"; then
  81. AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
  82. [Defined if we default to host local appdata paths on Windows])
  83. fi
  84. AC_PROG_CC
  85. AC_PROG_CPP
  86. AC_PROG_MAKE_SET
  87. AC_PROG_RANLIB
  88. dnl autoconf 2.59 appears not to support AC_PROG_SED
  89. AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
  90. dnl check for asciidoc and a2x
  91. AC_PATH_PROG([ASCIIDOC], [asciidoc], none)
  92. AC_PATH_PROG([A2X], [a2x], none)
  93. AM_CONDITIONAL(USE_ASCIIDOC, test x$asciidoc = xtrue)
  94. AC_PATH_PROG([SHA1SUM], [sha1sum], none)
  95. AC_PATH_PROG([OPENSSL], [openssl], none)
  96. TORUSER=_tor
  97. AC_ARG_WITH(tor-user,
  98. [ --with-tor-user=NAME Specify username for tor daemon ],
  99. [
  100. TORUSER=$withval
  101. ]
  102. )
  103. AC_SUBST(TORUSER)
  104. TORGROUP=_tor
  105. AC_ARG_WITH(tor-group,
  106. [ --with-tor-group=NAME Specify group name for tor daemon ],
  107. [
  108. TORGROUP=$withval
  109. ]
  110. )
  111. AC_SUBST(TORGROUP)
  112. dnl If WIN32 is defined and non-zero, we are building for win32
  113. AC_MSG_CHECKING([for win32])
  114. AC_RUN_IFELSE([
  115. int main(int c, char **v) {
  116. #ifdef WIN32
  117. #if WIN32
  118. return 0;
  119. #else
  120. return 1;
  121. #endif
  122. #else
  123. return 2;
  124. #endif
  125. }],
  126. bwin32=true; AC_MSG_RESULT([yes]),
  127. bwin32=false; AC_MSG_RESULT([no]),
  128. bwin32=cross; AC_MSG_RESULT([cross])
  129. )
  130. if test "$bwin32" = cross; then
  131. AC_MSG_CHECKING([for win32 (cross)])
  132. AC_COMPILE_IFELSE([
  133. #ifdef WIN32
  134. int main(int c, char **v) {return 0;}
  135. #else
  136. #error
  137. int main(int c, char **v) {return x(y);}
  138. #endif
  139. ],
  140. bwin32=true; AC_MSG_RESULT([yes]),
  141. bwin32=false; AC_MSG_RESULT([no]))
  142. fi
  143. if test "$bwin32" = true; then
  144. AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
  145. fi
  146. AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
  147. dnl Enable C99 when compiling with MIPSpro
  148. AC_MSG_CHECKING([for MIPSpro compiler])
  149. AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
  150. #if (defined(__sgi) && defined(_COMPILER_VERSION))
  151. #error
  152. return x(y);
  153. #endif
  154. ]),
  155. bmipspro=false; AC_MSG_RESULT(no),
  156. bmipspro=true; AC_MSG_RESULT(yes))
  157. if test "$bmipspro" = true; then
  158. CFLAGS="$CFLAGS -c99"
  159. fi
  160. AC_C_BIGENDIAN
  161. AC_SEARCH_LIBS(socket, [socket])
  162. AC_SEARCH_LIBS(gethostbyname, [nsl])
  163. AC_SEARCH_LIBS(dlopen, [dl])
  164. AC_SEARCH_LIBS(inet_aton, [resolv])
  165. if test "$enable_threads" = "yes"; then
  166. AC_SEARCH_LIBS(pthread_create, [pthread])
  167. AC_SEARCH_LIBS(pthread_detach, [pthread])
  168. fi
  169. dnl -------------------------------------------------------------------
  170. dnl Check for functions before libevent, since libevent-1.2 apparently
  171. dnl exports strlcpy without defining it in a header.
  172. AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull getaddrinfo localtime_r gmtime_r memmem strtok_r writev readv flock prctl vasprintf)
  173. using_custom_malloc=no
  174. if test x$enable_openbsd_malloc = xyes ; then
  175. AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
  176. using_custom_malloc=yes
  177. fi
  178. if test x$tcmalloc = xyes ; then
  179. using_custom_malloc=yes
  180. fi
  181. if test $using_custom_malloc = no ; then
  182. AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
  183. fi
  184. if test "$enable_threads" = "yes"; then
  185. AC_CHECK_HEADERS(pthread.h)
  186. AC_CHECK_FUNCS(pthread_create)
  187. fi
  188. dnl ------------------------------------------------------
  189. dnl Where do you live, libevent? And how do we call you?
  190. if test "$bwin32" = true; then
  191. TOR_LIB_WS32=-lws2_32
  192. # Some of the cargo-cults recommend -lwsock32 as well, but I don't
  193. # think it's actually necessary.
  194. TOR_LIB_GDI=-lgdi32
  195. else
  196. TOR_LIB_WS32=
  197. TOR_LIB_GDI=
  198. fi
  199. AC_SUBST(TOR_LIB_WS32)
  200. AC_SUBST(TOR_LIB_GDI)
  201. dnl We need to do this before we try our disgusting hack below.
  202. AC_CHECK_HEADERS([sys/types.h])
  203. dnl This is a disgusting hack so we safely include older libevent headers.
  204. AC_CHECK_TYPE(u_int64_t, unsigned long long)
  205. AC_CHECK_TYPE(u_int32_t, unsigned long)
  206. AC_CHECK_TYPE(u_int16_t, unsigned short)
  207. AC_CHECK_TYPE(u_int8_t, unsigned char)
  208. tor_libevent_pkg_redhat="libevent"
  209. tor_libevent_pkg_debian="libevent-dev"
  210. tor_libevent_devpkg_redhat="libevent-devel"
  211. tor_libevent_devpkg_debian="libevent-dev"
  212. TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
  213. #ifdef WIN32
  214. #include <winsock2.h>
  215. #endif
  216. #include <stdlib.h>
  217. #include <sys/time.h>
  218. #include <sys/types.h>
  219. #include <event.h>], [
  220. #ifdef WIN32
  221. #include <winsock2.h>
  222. #endif
  223. void exit(int); void *event_init(void);],
  224. [
  225. #ifdef WIN32
  226. {WSADATA d; WSAStartup(0x101,&d); }
  227. #endif
  228. event_init(); exit(0);
  229. ], [--with-libevent-dir], [/opt/libevent])
  230. dnl Now check for particular libevent functions.
  231. save_LIBS="$LIBS"
  232. save_LDFLAGS="$LDFLAGS"
  233. save_CPPFLAGS="$CPPFLAGS"
  234. LIBS="-levent $TOR_LIB_WS32 $LIBS"
  235. LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
  236. CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
  237. AC_CHECK_FUNCS(event_get_version event_get_version_number event_get_method event_set_log_callback evdns_set_outgoing_bind_address event_base_loopexit)
  238. AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
  239. [#include <event.h>
  240. ])
  241. AC_CHECK_HEADERS(event2/event.h event2/dns.h)
  242. LIBS="$save_LIBS"
  243. LDFLAGS="$save_LDFLAGS"
  244. CPPFLAGS="$save_CPPFLAGS"
  245. AM_CONDITIONAL(USE_EXTERNAL_EVDNS, test x$ac_cv_header_event2_dns_h = xyes)
  246. if test "$enable_static_libevent" = "yes"; then
  247. if test "$tor_cv_library_libevent_dir" = "(system)"; then
  248. AC_MSG_ERROR("You must specify an explicit --with-libevent-dir=x option when using --enable-static-libevent")
  249. else
  250. TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent.a"
  251. fi
  252. else
  253. TOR_LIBEVENT_LIBS="-levent"
  254. fi
  255. AC_SUBST(TOR_LIBEVENT_LIBS)
  256. dnl ------------------------------------------------------
  257. dnl Where do you live, openssl? And how do we call you?
  258. tor_openssl_pkg_redhat="openssl"
  259. tor_openssl_pkg_debian="libssl"
  260. tor_openssl_devpkg_redhat="openssl-devel"
  261. tor_openssl_devpkg_debian="libssl-dev"
  262. ALT_openssl_WITHVAL=""
  263. AC_ARG_WITH(ssl-dir,
  264. [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
  265. [
  266. if test "x$withval" != xno && test "x$withval" != "x" ; then
  267. ALT_openssl_WITHVAL="$withval"
  268. fi
  269. ])
  270. TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
  271. [#include <openssl/rand.h>],
  272. [void RAND_add(const void *buf, int num, double entropy);],
  273. [RAND_add((void*)0,0,0); exit(0);], [],
  274. [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
  275. dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
  276. echo "tor_cv_library_openssl_dir is $tor_cv_library_openssl_dir"
  277. if test "$enable_static_openssl" = "yes"; then
  278. if test "$tor_cv_library_openssl_dir" = "(system)"; then
  279. AC_MSG_ERROR("You must specify an explicit --with-openssl-dir=x option when using --enable-static-openssl")
  280. else
  281. TOR_OPENSSL_LIBS="$TOR_LIBDIR_openssl/libssl.a $TOR_LIBDIR_openssl/libcrypto.a"
  282. fi
  283. else
  284. TOR_OPENSSL_LIBS="-lssl -lcrypto"
  285. fi
  286. AC_SUBST(TOR_OPENSSL_LIBS)
  287. dnl ------------------------------------------------------
  288. dnl Where do you live, zlib? And how do we call you?
  289. tor_openssl_pkg_redhat="zlib"
  290. tor_openssl_pkg_debian="zlib1g"
  291. tor_openssl_devpkg_redhat="zlib-devel"
  292. tor_openssl_devpkg_debian="zlib1g-dev"
  293. TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
  294. [#include <zlib.h>],
  295. [const char * zlibVersion(void);],
  296. [zlibVersion(); exit(0);], [--with-zlib-dir],
  297. [/opt/zlib])
  298. if test "$enable_static_zlib" = "yes"; then
  299. if test "$tor_cv_library_zlib_dir" = "(system)"; then
  300. AC_MSG_ERROR("You must specify an explicit --with-zlib-dir=x option when
  301. using --enable-static-zlib")
  302. else
  303. TOR_ZLIB_LIBS="$TOR_LIBDIR_zlib/libz.a"
  304. echo "$TOR_LIBDIR_zlib/libz.a"
  305. fi
  306. else
  307. TOR_ZLIB_LIBS="-lz"
  308. fi
  309. AC_SUBST(TOR_ZLIB_LIBS)
  310. dnl Make sure to enable support for large off_t if available.
  311. AC_SYS_LARGEFILE
  312. 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.))
  313. 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)
  314. dnl These headers are not essential
  315. 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)
  316. TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
  317. [#ifdef HAVE_MALLOC_H
  318. #include <malloc.h>
  319. #endif
  320. #ifdef HAVE_MALLOC_MALLOC_H
  321. #include <malloc/malloc.h>
  322. #endif])
  323. AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
  324. [#ifdef HAVE_SYS_TYPES_H
  325. #include <sys/types.h>
  326. #endif
  327. #ifdef HAVE_SYS_SOCKET_H
  328. #include <sys/socket.h>
  329. #endif])
  330. AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
  331. [#ifdef HAVE_SYS_TYPES_H
  332. #include <sys/types.h>
  333. #endif
  334. #ifdef HAVE_SYS_SOCKET_H
  335. #include <sys/socket.h>
  336. #endif
  337. #ifdef HAVE_NET_IF_H
  338. #include <net/if.h>
  339. #endif])
  340. AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
  341. linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
  342. [#ifdef HAVE_SYS_TYPES_H
  343. #include <sys/types.h>
  344. #endif
  345. #ifdef HAVE_SYS_SOCKET_H
  346. #include <sys/socket.h>
  347. #endif
  348. #ifdef HAVE_LIMITS_H
  349. #include <limits.h>
  350. #endif
  351. #ifdef HAVE_LINUX_TYPES_H
  352. #include <linux/types.h>
  353. #endif
  354. #ifdef HAVE_NETINET_IN6_H
  355. #include <netinet/in6.h>
  356. #endif
  357. #ifdef HAVE_NETINET_IN_H
  358. #include <netinet/in.h>
  359. #endif])
  360. if test x$transparent = xtrue ; then
  361. transparent_ok=0
  362. if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
  363. transparent_ok=1
  364. fi
  365. if test x$linux_netfilter_ipv4 = x1 ; then
  366. transparent_ok=1
  367. fi
  368. if test x$transparent_ok = x1 ; then
  369. AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
  370. case $host in
  371. *-*-openbsd*)
  372. AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
  373. esac
  374. else
  375. AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
  376. fi
  377. fi
  378. AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
  379. [#ifdef HAVE_SYS_TYPES_H
  380. #include <sys/types.h>
  381. #endif
  382. #ifdef HAVE_SYS_TIME_H
  383. #include <sys/time.h>
  384. #endif])
  385. dnl In case we aren't given a working stdint.h, we'll need to grow our own.
  386. dnl Watch out.
  387. AC_CHECK_SIZEOF(int8_t)
  388. AC_CHECK_SIZEOF(int16_t)
  389. AC_CHECK_SIZEOF(int32_t)
  390. AC_CHECK_SIZEOF(int64_t)
  391. AC_CHECK_SIZEOF(uint8_t)
  392. AC_CHECK_SIZEOF(uint16_t)
  393. AC_CHECK_SIZEOF(uint32_t)
  394. AC_CHECK_SIZEOF(uint64_t)
  395. AC_CHECK_SIZEOF(intptr_t)
  396. AC_CHECK_SIZEOF(uintptr_t)
  397. dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
  398. AC_CHECK_SIZEOF(char)
  399. AC_CHECK_SIZEOF(short)
  400. AC_CHECK_SIZEOF(int)
  401. AC_CHECK_SIZEOF(long)
  402. AC_CHECK_SIZEOF(long long)
  403. AC_CHECK_SIZEOF(__int64)
  404. AC_CHECK_SIZEOF(void *)
  405. AC_CHECK_SIZEOF(time_t)
  406. AC_CHECK_SIZEOF(size_t)
  407. AC_CHECK_TYPES([uint, u_char, ssize_t])
  408. dnl used to include sockaddr_storage, but everybody has that.
  409. AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
  410. [#ifdef HAVE_SYS_TYPES_H
  411. #include <sys/types.h>
  412. #endif
  413. #ifdef HAVE_NETINET_IN_H
  414. #include <netinet/in.h>
  415. #endif
  416. #ifdef HAVE_NETINET_IN6_H
  417. #include <netinet/in6.h>
  418. #endif
  419. #ifdef HAVE_SYS_SOCKET_H
  420. #include <sys/socket.h>
  421. #endif
  422. #ifdef MS_WINDOWS
  423. #define WIN32_WINNT 0x400
  424. #define _WIN32_WINNT 0x400
  425. #define WIN32_LEAN_AND_MEAN
  426. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  427. #include <winsock.h>
  428. #else
  429. #include <winsock2.h>
  430. #include <ws2tcpip.h>
  431. #endif
  432. #endif
  433. ])
  434. AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
  435. [#ifdef HAVE_SYS_TYPES_H
  436. #include <sys/types.h>
  437. #endif
  438. #ifdef HAVE_NETINET_IN_H
  439. #include <netinet/in.h>
  440. #endif
  441. #ifdef HAVE_NETINET_IN6_H
  442. #include <netinet/in6.h>
  443. #endif
  444. #ifdef HAVE_SYS_SOCKET_H
  445. #include <sys/socket.h>
  446. #endif
  447. #ifdef MS_WINDOWS
  448. #define WIN32_WINNT 0x400
  449. #define _WIN32_WINNT 0x400
  450. #define WIN32_LEAN_AND_MEAN
  451. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  452. #include <winsock.h>
  453. #else
  454. #include <winsock2.h>
  455. #include <ws2tcpip.h>
  456. #endif
  457. #endif
  458. ])
  459. AC_CHECK_TYPES([rlim_t], , ,
  460. [#ifdef HAVE_SYS_TYPES_H
  461. #include <sys/types.h>
  462. #endif
  463. #ifdef HAVE_SYS_TIME_H
  464. #include <sys/time.h>
  465. #endif
  466. #ifdef HAVE_SYS_RESOURCE_H
  467. #include <sys/resource.h>
  468. #endif
  469. ])
  470. AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
  471. AC_RUN_IFELSE(AC_LANG_SOURCE([
  472. #ifdef HAVE_SYS_TYPES_H
  473. #include <sys/types.h>
  474. #endif
  475. #ifdef HAVE_SYS_TIME_H
  476. #include <sys/time.h>
  477. #endif
  478. #ifdef HAVE_TIME_H
  479. #include <time.h>
  480. #endif
  481. int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
  482. tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
  483. ])
  484. if test "$tor_cv_time_t_signed" = cross; then
  485. AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
  486. fi
  487. if test "$tor_cv_time_t_signed" != no; then
  488. AC_DEFINE([TIME_T_IS_SIGNED], 1,
  489. [Define to 1 iff time_t is signed])
  490. fi
  491. AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
  492. #ifdef HAVE_SYS_SOCKET_H
  493. #include <sys/socket.h>
  494. #endif
  495. ])
  496. # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
  497. AC_CHECK_SIZEOF(cell_t)
  498. # Now make sure that NULL can be represented as zero bytes.
  499. AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
  500. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  501. [[#include <stdlib.h>
  502. #include <string.h>
  503. #include <stdio.h>
  504. #ifdef HAVE_STDDEF_H
  505. #include <stddef.h>
  506. #endif
  507. int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
  508. return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
  509. [tor_cv_null_is_zero=yes],
  510. [tor_cv_null_is_zero=no],
  511. [tor_cv_null_is_zero=cross])])
  512. if test "$tor_cv_null_is_zero" = 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 NULL is represented as a sequence of 0-valued bytes.])
  515. fi
  516. if test "$tor_cv_null_is_zero" != no; then
  517. AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
  518. [Define to 1 iff memset(0) sets pointers to NULL])
  519. fi
  520. # And what happens when we malloc zero?
  521. AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
  522. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  523. [[#include <stdlib.h>
  524. #include <string.h>
  525. #include <stdio.h>
  526. #ifdef HAVE_STDDEF_H
  527. #include <stddef.h>
  528. #endif
  529. int main () { return malloc(0)?0:1; }]])],
  530. [tor_cv_malloc_zero_works=yes],
  531. [tor_cv_malloc_zero_works=no],
  532. [tor_cv_malloc_zero_works=cross])])
  533. if test "$tor_cv_malloc_zero_works" = cross; then
  534. # Cross-compiling; let's hope that the target isn't raving mad.
  535. AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
  536. fi
  537. if test "$tor_cv_malloc_zero_works" = yes; then
  538. AC_DEFINE([MALLOC_ZERO_WORKS], 1,
  539. [Define to 1 iff malloc(0) returns a pointer])
  540. fi
  541. # whether we seem to be in a 2s-complement world.
  542. AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
  543. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  544. [[int main () { int problem = ((-99) != (~99)+1);
  545. return problem ? 1 : 0; }]])],
  546. [tor_cv_twos_complement=yes],
  547. [tor_cv_twos_complement=no],
  548. [tor_cv_twos_complement=cross])])
  549. if test "$tor_cv_twos_complement" = cross ; then
  550. # Cross-compiling; let's hope that the target isn't raving mad.
  551. AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
  552. fi
  553. if test "$tor_cv_twos_complement" != no ; then
  554. AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
  555. [Define to 1 iff we represent negative integers with two's complement])
  556. fi
  557. # Whether we should use the dmalloc memory allocation debugging library.
  558. AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
  559. AC_ARG_WITH(dmalloc,
  560. [ --with-dmalloc Use debug memory allocation library. ],
  561. [if [[ "$withval" = "yes" ]]; then
  562. dmalloc=1
  563. AC_MSG_RESULT(yes)
  564. else
  565. dmalloc=1
  566. AC_MSG_RESULT(no)
  567. fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
  568. )
  569. if [[ $dmalloc -eq 1 ]]; then
  570. AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
  571. AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
  572. AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
  573. AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
  574. AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
  575. fi
  576. AC_ARG_WITH(tcmalloc,
  577. [ --with-tcmalloc Use tcmalloc memory allocation library. ],
  578. [ tcmalloc=yes ], [ tcmalloc=no ])
  579. if test x$tcmalloc = xyes ; then
  580. LDFLAGS="-ltcmalloc $LDFLAGS"
  581. fi
  582. # By default, we're going to assume we don't have mlockall()
  583. # bionic and other platforms have various broken mlockall subsystems.
  584. # Some systems don't have a working mlockall, some aren't linkable,
  585. # and some have it but don't declare it.
  586. AC_CHECK_FUNCS(mlockall)
  587. AC_CHECK_DECLS([mlockall], , , [
  588. #ifdef HAVE_SYS_MMAN_H
  589. #include <sys/mman.h>
  590. #endif])
  591. # Allow user to specify an alternate syslog facility
  592. AC_ARG_WITH(syslog-facility,
  593. [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
  594. syslog_facility="$withval", syslog_facility="LOG_DAEMON")
  595. AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
  596. AC_SUBST(LOGFACILITY)
  597. # Check if we have getresuid and getresgid
  598. AC_CHECK_FUNCS(getresuid getresgid)
  599. # Check for gethostbyname_r in all its glorious incompatible versions.
  600. # (This logic is based on that in Python's configure.in)
  601. AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
  602. [Define this if you have any gethostbyname_r()])
  603. AC_CHECK_FUNC(gethostbyname_r, [
  604. AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
  605. OLD_CFLAGS=$CFLAGS
  606. CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
  607. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
  608. #include <netdb.h>
  609. ], [[
  610. char *cp1, *cp2;
  611. struct hostent *h1, *h2;
  612. int i1, i2;
  613. (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
  614. ]]),[
  615. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  616. AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
  617. [Define this if gethostbyname_r takes 6 arguments])
  618. AC_MSG_RESULT(6)
  619. ], [
  620. AC_TRY_COMPILE([
  621. #include <netdb.h>
  622. ], [
  623. char *cp1, *cp2;
  624. struct hostent *h1;
  625. int i1, i2;
  626. (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
  627. ], [
  628. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  629. AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
  630. [Define this if gethostbyname_r takes 5 arguments])
  631. AC_MSG_RESULT(5)
  632. ], [
  633. AC_TRY_COMPILE([
  634. #include <netdb.h>
  635. ], [
  636. char *cp1;
  637. struct hostent *h1;
  638. struct hostent_data hd;
  639. (void) gethostbyname_r(cp1,h1,&hd);
  640. ], [
  641. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  642. AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
  643. [Define this if gethostbyname_r takes 3 arguments])
  644. AC_MSG_RESULT(3)
  645. ], [
  646. AC_MSG_RESULT(0)
  647. ])
  648. ])
  649. ])
  650. CFLAGS=$OLD_CFLAGS
  651. ])
  652. AC_CACHE_CHECK([whether the C compiler supports __func__],
  653. tor_cv_have_func_macro,
  654. AC_COMPILE_IFELSE([
  655. #include <stdio.h>
  656. int main(int c, char **v) { puts(__func__); }],
  657. tor_cv_have_func_macro=yes,
  658. tor_cv_have_func_macro=no))
  659. AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
  660. tor_cv_have_FUNC_macro,
  661. AC_COMPILE_IFELSE([
  662. #include <stdio.h>
  663. int main(int c, char **v) { puts(__FUNC__); }],
  664. tor_cv_have_FUNC_macro=yes,
  665. tor_cv_have_FUNC_macro=no))
  666. AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
  667. tor_cv_have_FUNCTION_macro,
  668. AC_COMPILE_IFELSE([
  669. #include <stdio.h>
  670. int main(int c, char **v) { puts(__FUNCTION__); }],
  671. tor_cv_have_FUNCTION_macro=yes,
  672. tor_cv_have_FUNCTION_macro=no))
  673. if test "$tor_cv_have_func_macro" = 'yes'; then
  674. AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
  675. fi
  676. if test "$tor_cv_have_FUNC_macro" = 'yes'; then
  677. AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
  678. fi
  679. if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
  680. AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
  681. [Defined if the compiler supports __FUNCTION__])
  682. fi
  683. # $prefix stores the value of the --prefix command line option, or
  684. # NONE if the option wasn't set. In the case that it wasn't set, make
  685. # it be the default, so that we can use it to expand directories now.
  686. if test "x$prefix" = "xNONE"; then
  687. prefix=$ac_default_prefix
  688. fi
  689. # and similarly for $exec_prefix
  690. if test "x$exec_prefix" = "xNONE"; then
  691. exec_prefix=$prefix
  692. fi
  693. if test "x$CONFDIR" = "x"; then
  694. CONFDIR=`eval echo $sysconfdir/tor`
  695. fi
  696. AC_SUBST(CONFDIR)
  697. AH_TEMPLATE([CONFDIR],[tor's configuration directory])
  698. AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
  699. BINDIR=`eval echo $bindir`
  700. AC_SUBST(BINDIR)
  701. LOCALSTATEDIR=`eval echo $localstatedir`
  702. AC_SUBST(LOCALSTATEDIR)
  703. # Set CFLAGS _after_ all the above checks, since our warnings are stricter
  704. # than autoconf's macros like.
  705. if test "$GCC" = yes; then
  706. CFLAGS="$CFLAGS -Wall -g -O2"
  707. # Disable GCC's strict aliasing checks. They are an hours-to-debug
  708. # accident waiting to happen.
  709. CFLAGS="$CFLAGS -fno-strict-aliasing"
  710. else
  711. CFLAGS="$CFLAGS -g -O"
  712. enable_gcc_warnings=no
  713. enable_gcc_warnings_advisory=no
  714. fi
  715. # Add some more warnings which we use in development but not in the
  716. # released versions. (Some relevant gcc versions can't handle these.)
  717. if test x$enable_gcc_warnings = xyes || test x$enable_gcc_warnings_advisory = xyes; then
  718. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
  719. #if !defined(__GNUC__) || (__GNUC__ < 4)
  720. #error
  721. #endif]), have_gcc4=yes, have_gcc4=no)
  722. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
  723. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
  724. #error
  725. #endif]), have_gcc42=yes, have_gcc42=no)
  726. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
  727. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
  728. #error
  729. #endif]), have_gcc43=yes, have_gcc43=no)
  730. save_CFLAGS="$CFLAGS"
  731. CFLAGS="$CFLAGS -Wshorten-64-to-32"
  732. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes,
  733. have_shorten64_flag=no)
  734. CFLAGS="$save_CFLAGS"
  735. CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum"
  736. if test x$enable_gcc_warnings = xyes; then
  737. CFLAGS="$CFLAGS -Werror"
  738. fi
  739. # Disabled, so we can use mallinfo(): -Waggregate-return
  740. if test x$have_gcc4 = xyes ; then
  741. # These warnings break gcc 3.3.5 and work on gcc 4.0.2
  742. CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
  743. fi
  744. if test x$have_gcc42 = xyes ; then
  745. # These warnings break gcc 4.0.2 and work on gcc 4.2
  746. # XXXX020 Use -fstack-protector.
  747. # XXXX020 See if any of these work with earlier versions.
  748. CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1"
  749. # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
  750. fi
  751. if test x$have_gcc43 = xyes ; then
  752. # These warnings break gcc 4.2 and work on gcc 4.3
  753. # XXXX020 See if any of these work with earlier versions.
  754. CFLAGS="$CFLAGS -Wextra -Warray-bounds"
  755. fi
  756. if test x$have_shorten64_flag = xyes ; then
  757. CFLAGS="$CFLAGS -Wshorten-64-to-32"
  758. fi
  759. ##This will break the world on some 64-bit architectures
  760. # CFLAGS="$CFLAGS -Winline"
  761. fi
  762. CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
  763. 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 src/Makefile doc/Makefile doc/spec/Makefile src/config/Makefile src/common/Makefile src/or/Makefile src/test/Makefile src/win32/Makefile src/tools/Makefile contrib/suse/Makefile contrib/suse/tor.sh])
  764. AC_OUTPUT
  765. if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
  766. ./contrib/updateVersions.pl
  767. fi