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. if test x$enable_buf_freelists != xno; then
  29. AC_DEFINE(ENABLE_BUF_FREELISTS, 1,
  30. [Defined if we try to use freelists for buffer RAM chunks])
  31. fi
  32. AM_CONDITIONAL(USE_OPENBSD_MALLOC, test x$enable_openbsd_malloc = xyes)
  33. if test x$enable_instrument_downloads = xyes; then
  34. AC_DEFINE(INSTRUMENT_DOWNLOADS, 1,
  35. [Defined if we want to keep track of how much of each kind of resource we download.])
  36. fi
  37. AC_ARG_ENABLE(transparent,
  38. AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
  39. [case "${enableval}" in
  40. yes) transparent=true ;;
  41. no) transparent=false ;;
  42. *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
  43. esac], [transparent=true])
  44. AC_ARG_ENABLE(asciidoc,
  45. AS_HELP_STRING(--disable-asciidoc, don't use asciidoc (disables building of manpages)),
  46. [case "${enableval}" in
  47. yes) asciidoc=true ;;
  48. no) asciidoc=false ;;
  49. *) AC_MSG_ERROR(bad value for --disable-asciidoc) ;;
  50. esac], [asciidoc=true])
  51. AC_ARG_ENABLE(threads,
  52. AS_HELP_STRING(--disable-threads, disable multi-threading support))
  53. if test x$enable_threads = x; then
  54. case $host in
  55. *-*-solaris* )
  56. # Don't try multithreading on solaris -- cpuworkers seem to lock.
  57. AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
  58. cpu workers lock up here, so I will disable threads.])
  59. enable_threads="no";;
  60. *)
  61. enable_threads="yes";;
  62. esac
  63. fi
  64. if test "$enable_threads" = "yes"; then
  65. AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
  66. fi
  67. case $host in
  68. *-*-solaris* )
  69. AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
  70. ;;
  71. esac
  72. AC_ARG_ENABLE(gcc-warnings,
  73. AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
  74. AC_ARG_ENABLE(gcc-warnings-advisory,
  75. AS_HELP_STRING(--enable-gcc-warnings-advisory, [enable verbose warnings, excluding -Werror]))
  76. AC_ARG_ENABLE(local-appdata,
  77. AS_HELP_STRING(--enable-local-appdata, default to host local application data paths on Windows))
  78. if test "$enable_local_appdata" = "yes"; then
  79. AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
  80. [Defined if we default to host local appdata paths on Windows])
  81. fi
  82. AC_PROG_CC
  83. AC_PROG_CPP
  84. AC_PROG_MAKE_SET
  85. AC_PROG_RANLIB
  86. dnl autoconf 2.59 appears not to support AC_PROG_SED
  87. AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
  88. dnl check for asciidoc and a2x
  89. AC_PATH_PROG([ASCIIDOC], [asciidoc], none)
  90. AC_PATH_PROG([A2X], [a2x], none)
  91. AC_PATH_PROG([XSLTPROC], [xsltproc], none)
  92. if test x$asciidoc = xtrue ; then
  93. if test x$ASCIIDOC = xnone ; then
  94. AC_MSG_ERROR("Couldn't find asciidoc. reconfigure with --disable-asciidoc to build without asciidoc.")
  95. fi
  96. if test x$A2X = xnone ; then
  97. AC_MSG_ERROR("Couldn't find a2x. reconfigure with --disable-asciidoc to build without a2x.")
  98. fi
  99. if test x$XSLTPROC = xnone ; then
  100. AC_MSG_ERROR("Couldn't find xsltproc. reconfigure with --disable-asciidoc to build without xsltproc.")
  101. fi
  102. fi
  103. AM_CONDITIONAL(USE_ASCIIDOC, test x$asciidoc = xtrue)
  104. AC_PATH_PROG([SHA1SUM], [sha1sum], none)
  105. AC_PATH_PROG([OPENSSL], [openssl], none)
  106. TORUSER=_tor
  107. AC_ARG_WITH(tor-user,
  108. [ --with-tor-user=NAME Specify username for tor daemon ],
  109. [
  110. TORUSER=$withval
  111. ]
  112. )
  113. AC_SUBST(TORUSER)
  114. TORGROUP=_tor
  115. AC_ARG_WITH(tor-group,
  116. [ --with-tor-group=NAME Specify group name for tor daemon ],
  117. [
  118. TORGROUP=$withval
  119. ]
  120. )
  121. AC_SUBST(TORGROUP)
  122. dnl If WIN32 is defined and non-zero, we are building for win32
  123. AC_MSG_CHECKING([for win32])
  124. AC_RUN_IFELSE([
  125. int main(int c, char **v) {
  126. #ifdef WIN32
  127. #if WIN32
  128. return 0;
  129. #else
  130. return 1;
  131. #endif
  132. #else
  133. return 2;
  134. #endif
  135. }],
  136. bwin32=true; AC_MSG_RESULT([yes]),
  137. bwin32=false; AC_MSG_RESULT([no]),
  138. bwin32=cross; AC_MSG_RESULT([cross])
  139. )
  140. if test "$bwin32" = cross; then
  141. AC_MSG_CHECKING([for win32 (cross)])
  142. AC_COMPILE_IFELSE([
  143. #ifdef WIN32
  144. int main(int c, char **v) {return 0;}
  145. #else
  146. #error
  147. int main(int c, char **v) {return x(y);}
  148. #endif
  149. ],
  150. bwin32=true; AC_MSG_RESULT([yes]),
  151. bwin32=false; AC_MSG_RESULT([no]))
  152. fi
  153. if test "$bwin32" = true; then
  154. AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
  155. fi
  156. AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
  157. dnl Enable C99 when compiling with MIPSpro
  158. AC_MSG_CHECKING([for MIPSpro compiler])
  159. AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
  160. #if (defined(__sgi) && defined(_COMPILER_VERSION))
  161. #error
  162. return x(y);
  163. #endif
  164. ]),
  165. bmipspro=false; AC_MSG_RESULT(no),
  166. bmipspro=true; AC_MSG_RESULT(yes))
  167. if test "$bmipspro" = true; then
  168. CFLAGS="$CFLAGS -c99"
  169. fi
  170. AC_C_BIGENDIAN
  171. AC_SEARCH_LIBS(socket, [socket])
  172. AC_SEARCH_LIBS(gethostbyname, [nsl])
  173. AC_SEARCH_LIBS(dlopen, [dl])
  174. AC_SEARCH_LIBS(inet_aton, [resolv])
  175. if test "$enable_threads" = "yes"; then
  176. AC_SEARCH_LIBS(pthread_create, [pthread])
  177. AC_SEARCH_LIBS(pthread_detach, [pthread])
  178. fi
  179. dnl -------------------------------------------------------------------
  180. dnl Check for functions before libevent, since libevent-1.2 apparently
  181. dnl exports strlcpy without defining it in a header.
  182. AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull getaddrinfo localtime_r gmtime_r memmem strtok_r writev readv flock prctl)
  183. using_custom_malloc=no
  184. if test x$enable_openbsd_malloc = xyes ; then
  185. AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
  186. using_custom_malloc=yes
  187. fi
  188. if test x$tcmalloc = xyes ; then
  189. using_custom_malloc=yes
  190. fi
  191. if test $using_custom_malloc = no ; then
  192. AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
  193. fi
  194. if test "$enable_threads" = "yes"; then
  195. AC_CHECK_HEADERS(pthread.h)
  196. AC_CHECK_FUNCS(pthread_create)
  197. fi
  198. dnl ------------------------------------------------------
  199. dnl Where do you live, libevent? And how do we call you?
  200. if test "$bwin32" = true; then
  201. TOR_LIB_WS32=-lws2_32
  202. # Some of the cargo-cults recommend -lwsock32 as well, but I don't
  203. # think it's actually necessary.
  204. TOR_LIB_GDI=-lgdi32
  205. else
  206. TOR_LIB_WS32=
  207. TOR_LIB_GDI=
  208. fi
  209. AC_SUBST(TOR_LIB_WS32)
  210. AC_SUBST(TOR_LIB_GDI)
  211. dnl We need to do this before we try our disgusting hack below.
  212. AC_CHECK_HEADERS([sys/types.h])
  213. dnl This is a disgusting hack so we safely include older libevent headers.
  214. AC_CHECK_TYPE(u_int64_t, unsigned long long)
  215. AC_CHECK_TYPE(u_int32_t, unsigned long)
  216. AC_CHECK_TYPE(u_int16_t, unsigned short)
  217. AC_CHECK_TYPE(u_int8_t, unsigned char)
  218. tor_libevent_pkg_redhat="libevent"
  219. tor_libevent_pkg_debian="libevent-dev"
  220. tor_libevent_devpkg_redhat="libevent-devel"
  221. tor_libevent_devpkg_debian="libevent-dev"
  222. TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
  223. #ifdef WIN32
  224. #include <winsock2.h>
  225. #endif
  226. #include <stdlib.h>
  227. #include <sys/time.h>
  228. #include <sys/types.h>
  229. #include <event.h>], [
  230. #ifdef WIN32
  231. #include <winsock2.h>
  232. #endif
  233. void exit(int); void *event_init(void);],
  234. [
  235. #ifdef WIN32
  236. {WSADATA d; WSAStartup(0x101,&d); }
  237. #endif
  238. event_init(); exit(0);
  239. ], [--with-libevent-dir], [/opt/libevent])
  240. dnl Now check for particular libevent functions.
  241. save_LIBS="$LIBS"
  242. save_LDFLAGS="$LDFLAGS"
  243. save_CPPFLAGS="$CPPFLAGS"
  244. LIBS="-levent $TOR_LIB_WS32 $LIBS"
  245. LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
  246. CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
  247. AC_CHECK_FUNCS(event_get_version event_get_version_number event_get_method event_set_log_callback evdns_set_outgoing_bind_address event_base_loopexit)
  248. AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
  249. [#include <event.h>
  250. ])
  251. AC_CHECK_HEADERS(event2/event.h event2/dns.h)
  252. LIBS="$save_LIBS"
  253. LDFLAGS="$save_LDFLAGS"
  254. CPPFLAGS="$save_CPPFLAGS"
  255. AM_CONDITIONAL(USE_EXTERNAL_EVDNS, test x$ac_cv_header_event2_dns_h = xyes)
  256. if test "$enable_static_libevent" = "yes"; then
  257. if test "$tor_cv_library_libevent_dir" = "(system)"; then
  258. AC_MSG_ERROR("You must specify an explicit --with-libevent-dir=x option when using --enable-static-libevent")
  259. else
  260. TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent.a"
  261. fi
  262. else
  263. TOR_LIBEVENT_LIBS="-levent"
  264. fi
  265. AC_SUBST(TOR_LIBEVENT_LIBS)
  266. dnl ------------------------------------------------------
  267. dnl Where do you live, openssl? And how do we call you?
  268. tor_openssl_pkg_redhat="openssl"
  269. tor_openssl_pkg_debian="libssl"
  270. tor_openssl_devpkg_redhat="openssl-devel"
  271. tor_openssl_devpkg_debian="libssl-dev"
  272. ALT_openssl_WITHVAL=""
  273. AC_ARG_WITH(ssl-dir,
  274. [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
  275. [
  276. if test "x$withval" != xno && test "x$withval" != "x" ; then
  277. ALT_openssl_WITHVAL="$withval"
  278. fi
  279. ])
  280. TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
  281. [#include <openssl/rand.h>],
  282. [void RAND_add(const void *buf, int num, double entropy);],
  283. [RAND_add((void*)0,0,0); exit(0);], [],
  284. [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
  285. dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
  286. echo "tor_cv_library_openssl_dir is $tor_cv_library_openssl_dir"
  287. if test "$enable_static_openssl" = "yes"; then
  288. if test "$tor_cv_library_openssl_dir" = "(system)"; then
  289. AC_MSG_ERROR("You must specify an explicit --with-openssl-dir=x option when using --enable-static-openssl")
  290. else
  291. TOR_OPENSSL_LIBS="$TOR_LIBDIR_openssl/libssl.a $TOR_LIBDIR_openssl/libcrypto.a"
  292. fi
  293. else
  294. TOR_OPENSSL_LIBS="-lssl -lcrypto"
  295. fi
  296. AC_SUBST(TOR_OPENSSL_LIBS)
  297. dnl ------------------------------------------------------
  298. dnl Where do you live, zlib? And how do we call you?
  299. tor_openssl_pkg_redhat="zlib"
  300. tor_openssl_pkg_debian="zlib1g"
  301. tor_openssl_devpkg_redhat="zlib-devel"
  302. tor_openssl_devpkg_debian="zlib1g-dev"
  303. TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
  304. [#include <zlib.h>],
  305. [const char * zlibVersion(void);],
  306. [zlibVersion(); exit(0);], [--with-zlib-dir],
  307. [/opt/zlib])
  308. dnl Make sure to enable support for large off_t if available.
  309. AC_SYS_LARGEFILE
  310. 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.))
  311. 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)
  312. dnl These headers are not essential
  313. 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)
  314. TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
  315. [#ifdef HAVE_MALLOC_H
  316. #include <malloc.h>
  317. #endif
  318. #ifdef HAVE_MALLOC_MALLOC_H
  319. #include <malloc/malloc.h>
  320. #endif])
  321. AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
  322. [#ifdef HAVE_SYS_TYPES_H
  323. #include <sys/types.h>
  324. #endif
  325. #ifdef HAVE_SYS_SOCKET_H
  326. #include <sys/socket.h>
  327. #endif])
  328. AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
  329. [#ifdef HAVE_SYS_TYPES_H
  330. #include <sys/types.h>
  331. #endif
  332. #ifdef HAVE_SYS_SOCKET_H
  333. #include <sys/socket.h>
  334. #endif
  335. #ifdef HAVE_NET_IF_H
  336. #include <net/if.h>
  337. #endif])
  338. AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
  339. linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
  340. [#ifdef HAVE_SYS_TYPES_H
  341. #include <sys/types.h>
  342. #endif
  343. #ifdef HAVE_SYS_SOCKET_H
  344. #include <sys/socket.h>
  345. #endif
  346. #ifdef HAVE_LIMITS_H
  347. #include <limits.h>
  348. #endif
  349. #ifdef HAVE_LINUX_TYPES_H
  350. #include <linux/types.h>
  351. #endif
  352. #ifdef HAVE_NETINET_IN6_H
  353. #include <netinet/in6.h>
  354. #endif
  355. #ifdef HAVE_NETINET_IN_H
  356. #include <netinet/in.h>
  357. #endif])
  358. if test x$transparent = xtrue ; then
  359. transparent_ok=0
  360. if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
  361. transparent_ok=1
  362. fi
  363. if test x$linux_netfilter_ipv4 = x1 ; then
  364. transparent_ok=1
  365. fi
  366. if test x$transparent_ok = x1 ; then
  367. AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
  368. case $host in
  369. *-*-openbsd*)
  370. AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
  371. esac
  372. else
  373. AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
  374. fi
  375. fi
  376. AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
  377. [#ifdef HAVE_SYS_TYPES_H
  378. #include <sys/types.h>
  379. #endif
  380. #ifdef HAVE_SYS_TIME_H
  381. #include <sys/time.h>
  382. #endif])
  383. dnl In case we aren't given a working stdint.h, we'll need to grow our own.
  384. dnl Watch out.
  385. AC_CHECK_SIZEOF(int8_t)
  386. AC_CHECK_SIZEOF(int16_t)
  387. AC_CHECK_SIZEOF(int32_t)
  388. AC_CHECK_SIZEOF(int64_t)
  389. AC_CHECK_SIZEOF(uint8_t)
  390. AC_CHECK_SIZEOF(uint16_t)
  391. AC_CHECK_SIZEOF(uint32_t)
  392. AC_CHECK_SIZEOF(uint64_t)
  393. AC_CHECK_SIZEOF(intptr_t)
  394. AC_CHECK_SIZEOF(uintptr_t)
  395. dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
  396. AC_CHECK_SIZEOF(char)
  397. AC_CHECK_SIZEOF(short)
  398. AC_CHECK_SIZEOF(int)
  399. AC_CHECK_SIZEOF(long)
  400. AC_CHECK_SIZEOF(long long)
  401. AC_CHECK_SIZEOF(__int64)
  402. AC_CHECK_SIZEOF(void *)
  403. AC_CHECK_SIZEOF(time_t)
  404. AC_CHECK_SIZEOF(size_t)
  405. AC_CHECK_TYPES([uint, u_char, ssize_t])
  406. dnl used to include sockaddr_storage, but everybody has that.
  407. AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
  408. [#ifdef HAVE_SYS_TYPES_H
  409. #include <sys/types.h>
  410. #endif
  411. #ifdef HAVE_NETINET_IN_H
  412. #include <netinet/in.h>
  413. #endif
  414. #ifdef HAVE_NETINET_IN6_H
  415. #include <netinet/in6.h>
  416. #endif
  417. #ifdef HAVE_SYS_SOCKET_H
  418. #include <sys/socket.h>
  419. #endif
  420. #ifdef MS_WINDOWS
  421. #define WIN32_WINNT 0x400
  422. #define _WIN32_WINNT 0x400
  423. #define WIN32_LEAN_AND_MEAN
  424. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  425. #include <winsock.h>
  426. #else
  427. #include <winsock2.h>
  428. #include <ws2tcpip.h>
  429. #endif
  430. #endif
  431. ])
  432. AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
  433. [#ifdef HAVE_SYS_TYPES_H
  434. #include <sys/types.h>
  435. #endif
  436. #ifdef HAVE_NETINET_IN_H
  437. #include <netinet/in.h>
  438. #endif
  439. #ifdef HAVE_NETINET_IN6_H
  440. #include <netinet/in6.h>
  441. #endif
  442. #ifdef HAVE_SYS_SOCKET_H
  443. #include <sys/socket.h>
  444. #endif
  445. #ifdef MS_WINDOWS
  446. #define WIN32_WINNT 0x400
  447. #define _WIN32_WINNT 0x400
  448. #define WIN32_LEAN_AND_MEAN
  449. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  450. #include <winsock.h>
  451. #else
  452. #include <winsock2.h>
  453. #include <ws2tcpip.h>
  454. #endif
  455. #endif
  456. ])
  457. AC_CHECK_TYPES([rlim_t], , ,
  458. [#ifdef HAVE_SYS_TYPES_H
  459. #include <sys/types.h>
  460. #endif
  461. #ifdef HAVE_SYS_TIME_H
  462. #include <sys/time.h>
  463. #endif
  464. #ifdef HAVE_SYS_RESOURCE_H
  465. #include <sys/resource.h>
  466. #endif
  467. ])
  468. AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
  469. AC_RUN_IFELSE(AC_LANG_SOURCE([
  470. #ifdef HAVE_SYS_TYPES_H
  471. #include <sys/types.h>
  472. #endif
  473. #ifdef HAVE_SYS_TIME_H
  474. #include <sys/time.h>
  475. #endif
  476. #ifdef HAVE_TIME_H
  477. #include <time.h>
  478. #endif
  479. int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
  480. tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
  481. ])
  482. if test "$tor_cv_time_t_signed" = cross; then
  483. AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
  484. fi
  485. if test "$tor_cv_time_t_signed" != no; then
  486. AC_DEFINE([TIME_T_IS_SIGNED], 1,
  487. [Define to 1 iff time_t is signed])
  488. fi
  489. AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
  490. #ifdef HAVE_SYS_SOCKET_H
  491. #include <sys/socket.h>
  492. #endif
  493. ])
  494. # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
  495. AC_CHECK_SIZEOF(cell_t)
  496. # Now make sure that NULL can be represented as zero bytes.
  497. AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
  498. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  499. [[#include <stdlib.h>
  500. #include <string.h>
  501. #include <stdio.h>
  502. #ifdef HAVE_STDDEF_H
  503. #include <stddef.h>
  504. #endif
  505. int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
  506. return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
  507. [tor_cv_null_is_zero=yes],
  508. [tor_cv_null_is_zero=no],
  509. [tor_cv_null_is_zero=cross])])
  510. if test "$tor_cv_null_is_zero" = cross ; then
  511. # Cross-compiling; let's hope that the target isn't raving mad.
  512. AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
  513. fi
  514. if test "$tor_cv_null_is_zero" != no; then
  515. AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
  516. [Define to 1 iff memset(0) sets pointers to NULL])
  517. fi
  518. # And what happens when we malloc zero?
  519. AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
  520. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  521. [[#include <stdlib.h>
  522. #include <string.h>
  523. #include <stdio.h>
  524. #ifdef HAVE_STDDEF_H
  525. #include <stddef.h>
  526. #endif
  527. int main () { return malloc(0)?0:1; }]])],
  528. [tor_cv_malloc_zero_works=yes],
  529. [tor_cv_malloc_zero_works=no],
  530. [tor_cv_malloc_zero_works=cross])])
  531. if test "$tor_cv_malloc_zero_works" = cross; then
  532. # Cross-compiling; let's hope that the target isn't raving mad.
  533. AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
  534. fi
  535. if test "$tor_cv_malloc_zero_works" = yes; then
  536. AC_DEFINE([MALLOC_ZERO_WORKS], 1,
  537. [Define to 1 iff malloc(0) returns a pointer])
  538. fi
  539. # whether we seem to be in a 2s-complement world.
  540. AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
  541. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  542. [[int main () { int problem = ((-99) != (~99)+1);
  543. return problem ? 1 : 0; }]])],
  544. [tor_cv_twos_complement=yes],
  545. [tor_cv_twos_complement=no],
  546. [tor_cv_twos_complement=cross])])
  547. if test "$tor_cv_twos_complement" = cross ; then
  548. # Cross-compiling; let's hope that the target isn't raving mad.
  549. AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
  550. fi
  551. if test "$tor_cv_twos_complement" != no ; then
  552. AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
  553. [Define to 1 iff we represent negative integers with two's complement])
  554. fi
  555. # Whether we should use the dmalloc memory allocation debugging library.
  556. AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
  557. AC_ARG_WITH(dmalloc,
  558. [ --with-dmalloc Use debug memory allocation library. ],
  559. [if [[ "$withval" = "yes" ]]; then
  560. dmalloc=1
  561. AC_MSG_RESULT(yes)
  562. else
  563. dmalloc=1
  564. AC_MSG_RESULT(no)
  565. fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
  566. )
  567. if [[ $dmalloc -eq 1 ]]; then
  568. AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
  569. AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
  570. AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
  571. AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
  572. AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
  573. fi
  574. AC_ARG_WITH(tcmalloc,
  575. [ --with-tcmalloc Use tcmalloc memory allocation library. ],
  576. [ tcmalloc=yes ], [ tcmalloc=no ])
  577. if test x$tcmalloc = xyes ; then
  578. LDFLAGS="-ltcmalloc $LDFLAGS"
  579. fi
  580. # By default, we're going to assume we don't have mlockall()
  581. # bionic and other platforms have various broken mlockall subsystems.
  582. # Some systems don't have a working mlockall, some aren't linkable,
  583. # and some have it but don't declare it.
  584. AC_CHECK_FUNCS(mlockall)
  585. AC_CHECK_DECLS([mlockall], , , [
  586. #ifdef HAVE_SYS_MMAN_H
  587. #include <sys/mman.h>
  588. #endif])
  589. # Allow user to specify an alternate syslog facility
  590. AC_ARG_WITH(syslog-facility,
  591. [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
  592. syslog_facility="$withval", syslog_facility="LOG_DAEMON")
  593. AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
  594. AC_SUBST(LOGFACILITY)
  595. # Check if we have getresuid and getresgid
  596. AC_CHECK_FUNCS(getresuid getresgid)
  597. # Check for gethostbyname_r in all its glorious incompatible versions.
  598. # (This logic is based on that in Python's configure.in)
  599. AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
  600. [Define this if you have any gethostbyname_r()])
  601. AC_CHECK_FUNC(gethostbyname_r, [
  602. AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
  603. OLD_CFLAGS=$CFLAGS
  604. CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
  605. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
  606. #include <netdb.h>
  607. ], [[
  608. char *cp1, *cp2;
  609. struct hostent *h1, *h2;
  610. int i1, i2;
  611. (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
  612. ]]),[
  613. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  614. AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
  615. [Define this if gethostbyname_r takes 6 arguments])
  616. AC_MSG_RESULT(6)
  617. ], [
  618. AC_TRY_COMPILE([
  619. #include <netdb.h>
  620. ], [
  621. char *cp1, *cp2;
  622. struct hostent *h1;
  623. int i1, i2;
  624. (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
  625. ], [
  626. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  627. AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
  628. [Define this if gethostbyname_r takes 5 arguments])
  629. AC_MSG_RESULT(5)
  630. ], [
  631. AC_TRY_COMPILE([
  632. #include <netdb.h>
  633. ], [
  634. char *cp1;
  635. struct hostent *h1;
  636. struct hostent_data hd;
  637. (void) gethostbyname_r(cp1,h1,&hd);
  638. ], [
  639. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  640. AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
  641. [Define this if gethostbyname_r takes 3 arguments])
  642. AC_MSG_RESULT(3)
  643. ], [
  644. AC_MSG_RESULT(0)
  645. ])
  646. ])
  647. ])
  648. CFLAGS=$OLD_CFLAGS
  649. ])
  650. AC_CACHE_CHECK([whether the C compiler supports __func__],
  651. tor_cv_have_func_macro,
  652. AC_COMPILE_IFELSE([
  653. #include <stdio.h>
  654. int main(int c, char **v) { puts(__func__); }],
  655. tor_cv_have_func_macro=yes,
  656. tor_cv_have_func_macro=no))
  657. AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
  658. tor_cv_have_FUNC_macro,
  659. AC_COMPILE_IFELSE([
  660. #include <stdio.h>
  661. int main(int c, char **v) { puts(__FUNC__); }],
  662. tor_cv_have_FUNC_macro=yes,
  663. tor_cv_have_FUNC_macro=no))
  664. AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
  665. tor_cv_have_FUNCTION_macro,
  666. AC_COMPILE_IFELSE([
  667. #include <stdio.h>
  668. int main(int c, char **v) { puts(__FUNCTION__); }],
  669. tor_cv_have_FUNCTION_macro=yes,
  670. tor_cv_have_FUNCTION_macro=no))
  671. if test "$tor_cv_have_func_macro" = 'yes'; then
  672. AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
  673. fi
  674. if test "$tor_cv_have_FUNC_macro" = 'yes'; then
  675. AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
  676. fi
  677. if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
  678. AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
  679. [Defined if the compiler supports __FUNCTION__])
  680. fi
  681. # $prefix stores the value of the --prefix command line option, or
  682. # NONE if the option wasn't set. In the case that it wasn't set, make
  683. # it be the default, so that we can use it to expand directories now.
  684. if test "x$prefix" = "xNONE"; then
  685. prefix=$ac_default_prefix
  686. fi
  687. # and similarly for $exec_prefix
  688. if test "x$exec_prefix" = "xNONE"; then
  689. exec_prefix=$prefix
  690. fi
  691. if test "x$CONFDIR" = "x"; then
  692. CONFDIR=`eval echo $sysconfdir/tor`
  693. fi
  694. AC_SUBST(CONFDIR)
  695. AH_TEMPLATE([CONFDIR],[tor's configuration directory])
  696. AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
  697. BINDIR=`eval echo $bindir`
  698. AC_SUBST(BINDIR)
  699. LOCALSTATEDIR=`eval echo $localstatedir`
  700. AC_SUBST(LOCALSTATEDIR)
  701. # Set CFLAGS _after_ all the above checks, since our warnings are stricter
  702. # than autoconf's macros like.
  703. if test "$GCC" = yes; then
  704. CFLAGS="$CFLAGS -Wall -g -O2"
  705. # Disable GCC's strict aliasing checks. They are an hours-to-debug
  706. # accident waiting to happen.
  707. CFLAGS="$CFLAGS -fno-strict-aliasing"
  708. else
  709. CFLAGS="$CFLAGS -g -O"
  710. enable_gcc_warnings=no
  711. enable_gcc_warnings_advisory=no
  712. fi
  713. # Add some more warnings which we use in development but not in the
  714. # released versions. (Some relevant gcc versions can't handle these.)
  715. if test x$enable_gcc_warnings = xyes || test x$enable_gcc_warnings_advisory = xyes; then
  716. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
  717. #if !defined(__GNUC__) || (__GNUC__ < 4)
  718. #error
  719. #endif]), have_gcc4=yes, have_gcc4=no)
  720. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
  721. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
  722. #error
  723. #endif]), have_gcc42=yes, have_gcc42=no)
  724. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
  725. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
  726. #error
  727. #endif]), have_gcc43=yes, have_gcc43=no)
  728. save_CFLAGS="$CFLAGS"
  729. CFLAGS="$CFLAGS -Wshorten-64-to-32"
  730. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes,
  731. have_shorten64_flag=no)
  732. CFLAGS="$save_CFLAGS"
  733. CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum"
  734. if test x$enable_gcc_warnings = xyes; then
  735. CFLAGS="$CFLAGS -Werror"
  736. fi
  737. # Disabled, so we can use mallinfo(): -Waggregate-return
  738. if test x$have_gcc4 = xyes ; then
  739. # These warnings break gcc 3.3.5 and work on gcc 4.0.2
  740. CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
  741. fi
  742. if test x$have_gcc42 = xyes ; then
  743. # These warnings break gcc 4.0.2 and work on gcc 4.2
  744. # XXXX020 Use -fstack-protector.
  745. # XXXX020 See if any of these work with earlier versions.
  746. CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1"
  747. # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
  748. fi
  749. if test x$have_gcc43 = xyes ; then
  750. # These warnings break gcc 4.2 and work on gcc 4.3
  751. # XXXX020 See if any of these work with earlier versions.
  752. CFLAGS="$CFLAGS -Wextra -Warray-bounds"
  753. fi
  754. if test x$have_shorten64_flag = xyes ; then
  755. CFLAGS="$CFLAGS -Wshorten-64-to-32"
  756. fi
  757. ##This will break the world on some 64-bit architectures
  758. # CFLAGS="$CFLAGS -Winline"
  759. fi
  760. CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
  761. 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])
  762. AC_OUTPUT
  763. if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
  764. ./contrib/updateVersions.pl
  765. fi