configure.in 31 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, 0.2.2.19-alpha)
  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 $host in
  70. *-*-solaris* )
  71. AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
  72. ;;
  73. esac
  74. AC_ARG_ENABLE(gcc-warnings,
  75. AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
  76. AC_ARG_ENABLE(gcc-warnings-advisory,
  77. AS_HELP_STRING(--enable-gcc-warnings-advisory, [enable verbose warnings, excluding -Werror]))
  78. dnl Adam shostack suggests the following for Windows:
  79. dnl -D_FORTIFY_SOURCE=2 -fstack-protector-all
  80. dnl Others suggest '/gs /safeseh /nxcompat /dynamicbase' for non-gcc on Windows
  81. dnl This requires that we use gcc and that we add -O2 to the CFLAGS.
  82. AC_ARG_ENABLE(gcc-hardening,
  83. AS_HELP_STRING(--enable-gcc-hardening, enable compiler security checks),
  84. [if test x$enableval = xyes; then
  85. CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2 -fstack-protector-all"
  86. CFLAGS="$CFLAGS -fwrapv -fPIE -Wstack-protector"
  87. CFLAGS="$CFLAGS --param ssp-buffer-size=1"
  88. LDFLAGS="$LDFLAGS -pie"
  89. fi])
  90. dnl Linker hardening options
  91. dnl Currently these options are ELF specific - you can't use this with MacOSX
  92. AC_ARG_ENABLE(linker-hardening,
  93. AS_HELP_STRING(--enable-linker-hardening, enable linker security fixups),
  94. [if test x$enableval = xyes; then
  95. LDFLAGS="$LDFLAGS -z relro -z now"
  96. fi])
  97. AC_ARG_ENABLE(local-appdata,
  98. AS_HELP_STRING(--enable-local-appdata, default to host local application data paths on Windows))
  99. if test "$enable_local_appdata" = "yes"; then
  100. AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
  101. [Defined if we default to host local appdata paths on Windows])
  102. fi
  103. AC_PROG_CC
  104. AC_PROG_CPP
  105. AC_PROG_MAKE_SET
  106. AC_PROG_RANLIB
  107. dnl autoconf 2.59 appears not to support AC_PROG_SED
  108. AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
  109. dnl check for asciidoc and a2x
  110. AC_PATH_PROG([ASCIIDOC], [asciidoc], none)
  111. AC_PATH_PROG([A2X], [a2x], none)
  112. AM_CONDITIONAL(USE_ASCIIDOC, test x$asciidoc = xtrue)
  113. AC_PATH_PROG([SHA1SUM], [sha1sum], none)
  114. AC_PATH_PROG([OPENSSL], [openssl], none)
  115. TORUSER=_tor
  116. AC_ARG_WITH(tor-user,
  117. [ --with-tor-user=NAME Specify username for tor daemon ],
  118. [
  119. TORUSER=$withval
  120. ]
  121. )
  122. AC_SUBST(TORUSER)
  123. TORGROUP=_tor
  124. AC_ARG_WITH(tor-group,
  125. [ --with-tor-group=NAME Specify group name for tor daemon ],
  126. [
  127. TORGROUP=$withval
  128. ]
  129. )
  130. AC_SUBST(TORGROUP)
  131. dnl If WIN32 is defined and non-zero, we are building for win32
  132. AC_MSG_CHECKING([for win32])
  133. AC_RUN_IFELSE([AC_LANG_SOURCE([
  134. int main(int c, char **v) {
  135. #ifdef WIN32
  136. #if WIN32
  137. return 0;
  138. #else
  139. return 1;
  140. #endif
  141. #else
  142. return 2;
  143. #endif
  144. }])],
  145. bwin32=true; AC_MSG_RESULT([yes]),
  146. bwin32=false; AC_MSG_RESULT([no]),
  147. bwin32=cross; AC_MSG_RESULT([cross])
  148. )
  149. if test "$bwin32" = cross; then
  150. AC_MSG_CHECKING([for win32 (cross)])
  151. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  152. #ifdef WIN32
  153. int main(int c, char **v) {return 0;}
  154. #else
  155. #error
  156. int main(int c, char **v) {return x(y);}
  157. #endif
  158. ])],
  159. bwin32=true; AC_MSG_RESULT([yes]),
  160. bwin32=false; AC_MSG_RESULT([no]))
  161. fi
  162. if test "$bwin32" = true; then
  163. AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
  164. fi
  165. AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
  166. dnl Enable C99 when compiling with MIPSpro
  167. AC_MSG_CHECKING([for MIPSpro compiler])
  168. AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [
  169. #if (defined(__sgi) && defined(_COMPILER_VERSION))
  170. #error
  171. return x(y);
  172. #endif
  173. ])],
  174. bmipspro=false; AC_MSG_RESULT(no),
  175. bmipspro=true; AC_MSG_RESULT(yes))
  176. if test "$bmipspro" = true; then
  177. CFLAGS="$CFLAGS -c99"
  178. fi
  179. AC_C_BIGENDIAN
  180. AC_SEARCH_LIBS(socket, [socket])
  181. AC_SEARCH_LIBS(gethostbyname, [nsl])
  182. AC_SEARCH_LIBS(dlopen, [dl])
  183. AC_SEARCH_LIBS(inet_aton, [resolv])
  184. if test "$enable_threads" = "yes"; then
  185. AC_SEARCH_LIBS(pthread_create, [pthread])
  186. AC_SEARCH_LIBS(pthread_detach, [pthread])
  187. fi
  188. dnl -------------------------------------------------------------------
  189. dnl Check for functions before libevent, since libevent-1.2 apparently
  190. dnl exports strlcpy without defining it in a header.
  191. 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)
  192. using_custom_malloc=no
  193. if test x$enable_openbsd_malloc = xyes ; then
  194. AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
  195. using_custom_malloc=yes
  196. fi
  197. if test x$tcmalloc = xyes ; then
  198. using_custom_malloc=yes
  199. fi
  200. if test $using_custom_malloc = no ; then
  201. AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
  202. fi
  203. if test "$enable_threads" = "yes"; then
  204. AC_CHECK_HEADERS(pthread.h)
  205. AC_CHECK_FUNCS(pthread_create)
  206. fi
  207. dnl ------------------------------------------------------
  208. dnl Where do you live, libevent? And how do we call you?
  209. if test "$bwin32" = true; then
  210. TOR_LIB_WS32=-lws2_32
  211. # Some of the cargo-cults recommend -lwsock32 as well, but I don't
  212. # think it's actually necessary.
  213. TOR_LIB_GDI=-lgdi32
  214. else
  215. TOR_LIB_WS32=
  216. TOR_LIB_GDI=
  217. fi
  218. AC_SUBST(TOR_LIB_WS32)
  219. AC_SUBST(TOR_LIB_GDI)
  220. dnl We need to do this before we try our disgusting hack below.
  221. AC_CHECK_HEADERS([sys/types.h])
  222. dnl This is a disgusting hack so we safely include older libevent headers.
  223. AC_CHECK_TYPE(u_int64_t, unsigned long long)
  224. AC_CHECK_TYPE(u_int32_t, unsigned long)
  225. AC_CHECK_TYPE(u_int16_t, unsigned short)
  226. AC_CHECK_TYPE(u_int8_t, unsigned char)
  227. tor_libevent_pkg_redhat="libevent"
  228. tor_libevent_pkg_debian="libevent-dev"
  229. tor_libevent_devpkg_redhat="libevent-devel"
  230. tor_libevent_devpkg_debian="libevent-dev"
  231. dnl On Gnu/Linux or any place we require it, we'll add librt to the Libevent
  232. dnl linking for static builds.
  233. STATIC_LIBEVENT_FLAGS=""
  234. if test "$enable_static_libevent" = "yes"; then
  235. dnl Determine if we have clock_gettime in librt
  236. AC_SEARCH_LIBS([clock_gettime], [rt],
  237. [have_rt=yes])
  238. if test "$have_rt" = yes; then
  239. STATIC_LIBEVENT_FLAGS=" -lrt "
  240. fi
  241. fi
  242. TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32], [
  243. #ifdef WIN32
  244. #include <winsock2.h>
  245. #endif
  246. #include <stdlib.h>
  247. #include <sys/time.h>
  248. #include <sys/types.h>
  249. #include <event.h>], [
  250. #ifdef WIN32
  251. #include <winsock2.h>
  252. #endif
  253. void exit(int); void *event_init(void);],
  254. [
  255. #ifdef WIN32
  256. {WSADATA d; WSAStartup(0x101,&d); }
  257. #endif
  258. event_init(); exit(0);
  259. ], [--with-libevent-dir], [/opt/libevent])
  260. dnl Now check for particular libevent functions.
  261. save_LIBS="$LIBS"
  262. save_LDFLAGS="$LDFLAGS"
  263. save_CPPFLAGS="$CPPFLAGS"
  264. LIBS="-levent $STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32 $LIBS"
  265. LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
  266. CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
  267. AC_CHECK_FUNCS(event_get_version event_get_version_number event_get_method event_set_log_callback evdns_set_outgoing_bind_address event_base_loopexit)
  268. AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
  269. [#include <event.h>
  270. ])
  271. AC_CHECK_HEADERS(event2/event.h event2/dns.h)
  272. LIBS="$save_LIBS"
  273. LDFLAGS="$save_LDFLAGS"
  274. CPPFLAGS="$save_CPPFLAGS"
  275. AM_CONDITIONAL(USE_EXTERNAL_EVDNS, test x$ac_cv_header_event2_dns_h = xyes)
  276. if test "$enable_static_libevent" = "yes"; then
  277. if test "$tor_cv_library_libevent_dir" = "(system)"; then
  278. AC_MSG_ERROR("You must specify an explicit --with-libevent-dir=x option when using --enable-static-libevent")
  279. else
  280. TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent.a $STATIC_LIBEVENT_FLAGS"
  281. fi
  282. else
  283. TOR_LIBEVENT_LIBS="-levent"
  284. fi
  285. AC_SUBST(TOR_LIBEVENT_LIBS)
  286. dnl ------------------------------------------------------
  287. dnl Where do you live, openssl? And how do we call you?
  288. tor_openssl_pkg_redhat="openssl"
  289. tor_openssl_pkg_debian="libssl"
  290. tor_openssl_devpkg_redhat="openssl-devel"
  291. tor_openssl_devpkg_debian="libssl-dev"
  292. ALT_openssl_WITHVAL=""
  293. AC_ARG_WITH(ssl-dir,
  294. [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
  295. [
  296. if test "x$withval" != xno && test "x$withval" != "x" ; then
  297. ALT_openssl_WITHVAL="$withval"
  298. fi
  299. ])
  300. TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
  301. [#include <openssl/rand.h>],
  302. [void RAND_add(const void *buf, int num, double entropy);],
  303. [RAND_add((void*)0,0,0); exit(0);], [],
  304. [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
  305. dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
  306. echo "tor_cv_library_openssl_dir is $tor_cv_library_openssl_dir"
  307. if test "$enable_static_openssl" = "yes"; then
  308. if test "$tor_cv_library_openssl_dir" = "(system)"; then
  309. AC_MSG_ERROR("You must specify an explicit --with-openssl-dir=x option when using --enable-static-openssl")
  310. else
  311. TOR_OPENSSL_LIBS="$TOR_LIBDIR_openssl/libssl.a $TOR_LIBDIR_openssl/libcrypto.a"
  312. fi
  313. else
  314. TOR_OPENSSL_LIBS="-lssl -lcrypto"
  315. fi
  316. AC_SUBST(TOR_OPENSSL_LIBS)
  317. dnl ------------------------------------------------------
  318. dnl Where do you live, zlib? And how do we call you?
  319. tor_zlib_pkg_redhat="zlib"
  320. tor_zlib_pkg_debian="zlib1g"
  321. tor_zlib_devpkg_redhat="zlib-devel"
  322. tor_zlib_devpkg_debian="zlib1g-dev"
  323. TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
  324. [#include <zlib.h>],
  325. [const char * zlibVersion(void);],
  326. [zlibVersion(); exit(0);], [--with-zlib-dir],
  327. [/opt/zlib])
  328. if test "$enable_static_zlib" = "yes"; then
  329. if test "$tor_cv_library_zlib_dir" = "(system)"; then
  330. AC_MSG_ERROR("You must specify an explicit --with-zlib-dir=x option when
  331. using --enable-static-zlib")
  332. else
  333. TOR_ZLIB_LIBS="$TOR_LIBDIR_zlib/libz.a"
  334. echo "$TOR_LIBDIR_zlib/libz.a"
  335. fi
  336. else
  337. TOR_ZLIB_LIBS="-lz"
  338. fi
  339. AC_SUBST(TOR_ZLIB_LIBS)
  340. dnl Make sure to enable support for large off_t if available.
  341. AC_SYS_LARGEFILE
  342. 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.))
  343. 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)
  344. dnl These headers are not essential
  345. AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h 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)
  346. TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
  347. [#ifdef HAVE_MALLOC_H
  348. #include <malloc.h>
  349. #endif
  350. #ifdef HAVE_MALLOC_MALLOC_H
  351. #include <malloc/malloc.h>
  352. #endif])
  353. AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
  354. [#ifdef HAVE_SYS_TYPES_H
  355. #include <sys/types.h>
  356. #endif
  357. #ifdef HAVE_SYS_SOCKET_H
  358. #include <sys/socket.h>
  359. #endif])
  360. AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
  361. [#ifdef HAVE_SYS_TYPES_H
  362. #include <sys/types.h>
  363. #endif
  364. #ifdef HAVE_SYS_SOCKET_H
  365. #include <sys/socket.h>
  366. #endif
  367. #ifdef HAVE_NET_IF_H
  368. #include <net/if.h>
  369. #endif])
  370. AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
  371. linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
  372. [#ifdef HAVE_SYS_TYPES_H
  373. #include <sys/types.h>
  374. #endif
  375. #ifdef HAVE_SYS_SOCKET_H
  376. #include <sys/socket.h>
  377. #endif
  378. #ifdef HAVE_LIMITS_H
  379. #include <limits.h>
  380. #endif
  381. #ifdef HAVE_LINUX_TYPES_H
  382. #include <linux/types.h>
  383. #endif
  384. #ifdef HAVE_NETINET_IN6_H
  385. #include <netinet/in6.h>
  386. #endif
  387. #ifdef HAVE_NETINET_IN_H
  388. #include <netinet/in.h>
  389. #endif])
  390. if test x$transparent = xtrue ; then
  391. transparent_ok=0
  392. if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
  393. transparent_ok=1
  394. fi
  395. if test x$linux_netfilter_ipv4 = x1 ; then
  396. transparent_ok=1
  397. fi
  398. if test x$transparent_ok = x1 ; then
  399. AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
  400. case $host in
  401. *-*-openbsd*)
  402. AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
  403. esac
  404. else
  405. AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
  406. fi
  407. fi
  408. AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
  409. [#ifdef HAVE_SYS_TYPES_H
  410. #include <sys/types.h>
  411. #endif
  412. #ifdef HAVE_SYS_TIME_H
  413. #include <sys/time.h>
  414. #endif])
  415. dnl In case we aren't given a working stdint.h, we'll need to grow our own.
  416. dnl Watch out.
  417. AC_CHECK_SIZEOF(int8_t)
  418. AC_CHECK_SIZEOF(int16_t)
  419. AC_CHECK_SIZEOF(int32_t)
  420. AC_CHECK_SIZEOF(int64_t)
  421. AC_CHECK_SIZEOF(uint8_t)
  422. AC_CHECK_SIZEOF(uint16_t)
  423. AC_CHECK_SIZEOF(uint32_t)
  424. AC_CHECK_SIZEOF(uint64_t)
  425. AC_CHECK_SIZEOF(intptr_t)
  426. AC_CHECK_SIZEOF(uintptr_t)
  427. dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
  428. AC_CHECK_SIZEOF(char)
  429. AC_CHECK_SIZEOF(short)
  430. AC_CHECK_SIZEOF(int)
  431. AC_CHECK_SIZEOF(long)
  432. AC_CHECK_SIZEOF(long long)
  433. AC_CHECK_SIZEOF(__int64)
  434. AC_CHECK_SIZEOF(void *)
  435. AC_CHECK_SIZEOF(time_t)
  436. AC_CHECK_SIZEOF(size_t)
  437. AC_CHECK_TYPES([uint, u_char, ssize_t])
  438. dnl used to include sockaddr_storage, but everybody has that.
  439. AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
  440. [#ifdef HAVE_SYS_TYPES_H
  441. #include <sys/types.h>
  442. #endif
  443. #ifdef HAVE_NETINET_IN_H
  444. #include <netinet/in.h>
  445. #endif
  446. #ifdef HAVE_NETINET_IN6_H
  447. #include <netinet/in6.h>
  448. #endif
  449. #ifdef HAVE_SYS_SOCKET_H
  450. #include <sys/socket.h>
  451. #endif
  452. #ifdef MS_WINDOWS
  453. #define WIN32_WINNT 0x400
  454. #define _WIN32_WINNT 0x400
  455. #define WIN32_LEAN_AND_MEAN
  456. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  457. #include <winsock.h>
  458. #else
  459. #include <winsock2.h>
  460. #include <ws2tcpip.h>
  461. #endif
  462. #endif
  463. ])
  464. AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
  465. [#ifdef HAVE_SYS_TYPES_H
  466. #include <sys/types.h>
  467. #endif
  468. #ifdef HAVE_NETINET_IN_H
  469. #include <netinet/in.h>
  470. #endif
  471. #ifdef HAVE_NETINET_IN6_H
  472. #include <netinet/in6.h>
  473. #endif
  474. #ifdef HAVE_SYS_SOCKET_H
  475. #include <sys/socket.h>
  476. #endif
  477. #ifdef MS_WINDOWS
  478. #define WIN32_WINNT 0x400
  479. #define _WIN32_WINNT 0x400
  480. #define WIN32_LEAN_AND_MEAN
  481. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  482. #include <winsock.h>
  483. #else
  484. #include <winsock2.h>
  485. #include <ws2tcpip.h>
  486. #endif
  487. #endif
  488. ])
  489. AC_CHECK_TYPES([rlim_t], , ,
  490. [#ifdef HAVE_SYS_TYPES_H
  491. #include <sys/types.h>
  492. #endif
  493. #ifdef HAVE_SYS_TIME_H
  494. #include <sys/time.h>
  495. #endif
  496. #ifdef HAVE_SYS_RESOURCE_H
  497. #include <sys/resource.h>
  498. #endif
  499. ])
  500. AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
  501. AC_RUN_IFELSE([AC_LANG_SOURCE([
  502. #ifdef HAVE_SYS_TYPES_H
  503. #include <sys/types.h>
  504. #endif
  505. #ifdef HAVE_SYS_TIME_H
  506. #include <sys/time.h>
  507. #endif
  508. #ifdef HAVE_TIME_H
  509. #include <time.h>
  510. #endif
  511. int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }])],
  512. tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
  513. ])
  514. if test "$tor_cv_time_t_signed" = cross; then
  515. AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
  516. fi
  517. if test "$tor_cv_time_t_signed" != no; then
  518. AC_DEFINE([TIME_T_IS_SIGNED], 1,
  519. [Define to 1 iff time_t is signed])
  520. fi
  521. AC_CACHE_CHECK([whether size_t is signed], tor_cv_size_t_signed, [
  522. AC_RUN_IFELSE([AC_LANG_SOURCE([
  523. #ifdef HAVE_SYS_TYPES_H
  524. #include <sys/types.h>
  525. #endif
  526. int main(int c, char**v) { if (((size_t)-1)<0) return 1; else return 0; }])],
  527. tor_cv_size_t_signed=no, tor_cv_size_t_signed=yes, tor_cv_size_t_signed=cross)
  528. ])
  529. if test "$tor_cv_size_t_signed" = cross; then
  530. AC_MSG_NOTICE([Cross compiling: assuming that size_t is not signed.])
  531. fi
  532. if test "$tor_cv_size_t_signed" = yes; then
  533. AC_MSG_ERROR([You have a signed size_t; that's grossly nonconformant.])
  534. fi
  535. AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
  536. #ifdef HAVE_SYS_SOCKET_H
  537. #include <sys/socket.h>
  538. #endif
  539. ])
  540. # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
  541. AC_CHECK_SIZEOF(cell_t)
  542. # Now make sure that NULL can be represented as zero bytes.
  543. AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
  544. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  545. [[#include <stdlib.h>
  546. #include <string.h>
  547. #include <stdio.h>
  548. #ifdef HAVE_STDDEF_H
  549. #include <stddef.h>
  550. #endif
  551. int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
  552. return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
  553. [tor_cv_null_is_zero=yes],
  554. [tor_cv_null_is_zero=no],
  555. [tor_cv_null_is_zero=cross])])
  556. if test "$tor_cv_null_is_zero" = cross ; then
  557. # Cross-compiling; let's hope that the target isn't raving mad.
  558. AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
  559. fi
  560. if test "$tor_cv_null_is_zero" != no; then
  561. AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
  562. [Define to 1 iff memset(0) sets pointers to NULL])
  563. fi
  564. # And what happens when we malloc zero?
  565. AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
  566. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  567. [[#include <stdlib.h>
  568. #include <string.h>
  569. #include <stdio.h>
  570. #ifdef HAVE_STDDEF_H
  571. #include <stddef.h>
  572. #endif
  573. int main () { return malloc(0)?0:1; }]])],
  574. [tor_cv_malloc_zero_works=yes],
  575. [tor_cv_malloc_zero_works=no],
  576. [tor_cv_malloc_zero_works=cross])])
  577. if test "$tor_cv_malloc_zero_works" = cross; then
  578. # Cross-compiling; let's hope that the target isn't raving mad.
  579. AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
  580. fi
  581. if test "$tor_cv_malloc_zero_works" = yes; then
  582. AC_DEFINE([MALLOC_ZERO_WORKS], 1,
  583. [Define to 1 iff malloc(0) returns a pointer])
  584. fi
  585. # whether we seem to be in a 2s-complement world.
  586. AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
  587. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  588. [[int main () { int problem = ((-99) != (~99)+1);
  589. return problem ? 1 : 0; }]])],
  590. [tor_cv_twos_complement=yes],
  591. [tor_cv_twos_complement=no],
  592. [tor_cv_twos_complement=cross])])
  593. if test "$tor_cv_twos_complement" = cross ; then
  594. # Cross-compiling; let's hope that the target isn't raving mad.
  595. AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
  596. fi
  597. if test "$tor_cv_twos_complement" != no ; then
  598. AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
  599. [Define to 1 iff we represent negative integers with two's complement])
  600. fi
  601. # What does shifting a negative value do?
  602. AC_CACHE_CHECK([whether right-shift on negative values does sign-extension], tor_cv_sign_extend,
  603. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  604. [[int main () { int okay = (-60 >> 8) == -1; return okay ? 0 : 1; }]])],
  605. [tor_cv_sign_extend=yes],
  606. [tor_cv_sign_extend=no],
  607. [tor_cv_sign_extend=cross])])
  608. if test "$tor_cv_sign_extend" = cross ; then
  609. # Cross-compiling; let's hope that the target isn't raving mad.
  610. AC_MSG_NOTICE([Cross-compiling: we'll assume that right-shifting negative integers causes sign-extension])
  611. fi
  612. if test "$tor_cv_sign_extend" != no ; then
  613. AC_DEFINE([RSHIFT_DOES_SIGN_EXTEND], 1,
  614. [Define to 1 iff right-shifting a negative value performs sign-extension])
  615. fi
  616. # Whether we should use the dmalloc memory allocation debugging library.
  617. AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
  618. AC_ARG_WITH(dmalloc,
  619. [ --with-dmalloc Use debug memory allocation library. ],
  620. [if [[ "$withval" = "yes" ]]; then
  621. dmalloc=1
  622. AC_MSG_RESULT(yes)
  623. else
  624. dmalloc=1
  625. AC_MSG_RESULT(no)
  626. fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
  627. )
  628. if [[ $dmalloc -eq 1 ]]; then
  629. AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
  630. AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
  631. AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
  632. AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
  633. AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
  634. fi
  635. AC_ARG_WITH(tcmalloc,
  636. [ --with-tcmalloc Use tcmalloc memory allocation library. ],
  637. [ tcmalloc=yes ], [ tcmalloc=no ])
  638. if test x$tcmalloc = xyes ; then
  639. LDFLAGS="-ltcmalloc $LDFLAGS"
  640. fi
  641. # By default, we're going to assume we don't have mlockall()
  642. # bionic and other platforms have various broken mlockall subsystems.
  643. # Some systems don't have a working mlockall, some aren't linkable,
  644. # and some have it but don't declare it.
  645. AC_CHECK_FUNCS(mlockall)
  646. AC_CHECK_DECLS([mlockall], , , [
  647. #ifdef HAVE_SYS_MMAN_H
  648. #include <sys/mman.h>
  649. #endif])
  650. # Allow user to specify an alternate syslog facility
  651. AC_ARG_WITH(syslog-facility,
  652. [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
  653. syslog_facility="$withval", syslog_facility="LOG_DAEMON")
  654. AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
  655. AC_SUBST(LOGFACILITY)
  656. # Check if we have getresuid and getresgid
  657. AC_CHECK_FUNCS(getresuid getresgid)
  658. # Check for gethostbyname_r in all its glorious incompatible versions.
  659. # (This logic is based on that in Python's configure.in)
  660. AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
  661. [Define this if you have any gethostbyname_r()])
  662. AC_CHECK_FUNC(gethostbyname_r, [
  663. AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
  664. OLD_CFLAGS=$CFLAGS
  665. CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
  666. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
  667. #include <netdb.h>
  668. ], [[
  669. char *cp1, *cp2;
  670. struct hostent *h1, *h2;
  671. int i1, i2;
  672. (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
  673. ]])],[
  674. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  675. AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
  676. [Define this if gethostbyname_r takes 6 arguments])
  677. AC_MSG_RESULT(6)
  678. ], [
  679. AC_TRY_COMPILE([
  680. #include <netdb.h>
  681. ], [
  682. char *cp1, *cp2;
  683. struct hostent *h1;
  684. int i1, i2;
  685. (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
  686. ], [
  687. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  688. AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
  689. [Define this if gethostbyname_r takes 5 arguments])
  690. AC_MSG_RESULT(5)
  691. ], [
  692. AC_TRY_COMPILE([
  693. #include <netdb.h>
  694. ], [
  695. char *cp1;
  696. struct hostent *h1;
  697. struct hostent_data hd;
  698. (void) gethostbyname_r(cp1,h1,&hd);
  699. ], [
  700. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  701. AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
  702. [Define this if gethostbyname_r takes 3 arguments])
  703. AC_MSG_RESULT(3)
  704. ], [
  705. AC_MSG_RESULT(0)
  706. ])
  707. ])
  708. ])
  709. CFLAGS=$OLD_CFLAGS
  710. ])
  711. AC_CACHE_CHECK([whether the C compiler supports __func__],
  712. tor_cv_have_func_macro,
  713. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  714. #include <stdio.h>
  715. int main(int c, char **v) { puts(__func__); }])],
  716. tor_cv_have_func_macro=yes,
  717. tor_cv_have_func_macro=no))
  718. AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
  719. tor_cv_have_FUNC_macro,
  720. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  721. #include <stdio.h>
  722. int main(int c, char **v) { puts(__FUNC__); }])],
  723. tor_cv_have_FUNC_macro=yes,
  724. tor_cv_have_FUNC_macro=no))
  725. AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
  726. tor_cv_have_FUNCTION_macro,
  727. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  728. #include <stdio.h>
  729. int main(int c, char **v) { puts(__FUNCTION__); }])],
  730. tor_cv_have_FUNCTION_macro=yes,
  731. tor_cv_have_FUNCTION_macro=no))
  732. if test "$tor_cv_have_func_macro" = 'yes'; then
  733. AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
  734. fi
  735. if test "$tor_cv_have_FUNC_macro" = 'yes'; then
  736. AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
  737. fi
  738. if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
  739. AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
  740. [Defined if the compiler supports __FUNCTION__])
  741. fi
  742. # $prefix stores the value of the --prefix command line option, or
  743. # NONE if the option wasn't set. In the case that it wasn't set, make
  744. # it be the default, so that we can use it to expand directories now.
  745. if test "x$prefix" = "xNONE"; then
  746. prefix=$ac_default_prefix
  747. fi
  748. # and similarly for $exec_prefix
  749. if test "x$exec_prefix" = "xNONE"; then
  750. exec_prefix=$prefix
  751. fi
  752. if test "x$CONFDIR" = "x"; then
  753. CONFDIR=`eval echo $sysconfdir/tor`
  754. fi
  755. AC_SUBST(CONFDIR)
  756. AH_TEMPLATE([CONFDIR],[tor's configuration directory])
  757. AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
  758. BINDIR=`eval echo $bindir`
  759. AC_SUBST(BINDIR)
  760. LOCALSTATEDIR=`eval echo $localstatedir`
  761. AC_SUBST(LOCALSTATEDIR)
  762. if test "$bwin32" = true; then
  763. # Test if the linker supports the --nxcompat and --dynamicbase options
  764. # for Windows
  765. save_LDFLAGS="$LDFLAGS"
  766. LDFLAGS="-Wl,--nxcompat -Wl,--dynamicbase"
  767. AC_MSG_CHECKING([whether the linker supports DllCharacteristics])
  768. AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
  769. [AC_MSG_RESULT([yes])]
  770. [save_LDFLAGS="$save_LDFLAGS $LDFLAGS"],
  771. [AC_MSG_RESULT([no])]
  772. )
  773. LDFLAGS="$save_LDFLAGS"
  774. fi
  775. # Set CFLAGS _after_ all the above checks, since our warnings are stricter
  776. # than autoconf's macros like.
  777. if test "$GCC" = yes; then
  778. # Disable GCC's strict aliasing checks. They are an hours-to-debug
  779. # accident waiting to happen.
  780. CFLAGS="$CFLAGS -Wall -fno-strict-aliasing"
  781. else
  782. # Autoconf sets -g -O2 by default. Override optimization level
  783. # for non-gcc compilers
  784. CFLAGS="$CFLAGS -O"
  785. enable_gcc_warnings=no
  786. enable_gcc_warnings_advisory=no
  787. fi
  788. # Add some more warnings which we use in development but not in the
  789. # released versions. (Some relevant gcc versions can't handle these.)
  790. if test x$enable_gcc_warnings = xyes || test x$enable_gcc_warnings_advisory = xyes; then
  791. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  792. #if !defined(__GNUC__) || (__GNUC__ < 4)
  793. #error
  794. #endif])], have_gcc4=yes, have_gcc4=no)
  795. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  796. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
  797. #error
  798. #endif])], have_gcc42=yes, have_gcc42=no)
  799. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  800. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
  801. #error
  802. #endif])], have_gcc43=yes, have_gcc43=no)
  803. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  804. #if !defined(__clang__) || (__clang_major__ > 2) || (__clang_major__ == 2 && __clang_minor__ > 9)
  805. #error
  806. #endif])], have_clang29orlower=yes, have_clang29orlower=no)
  807. save_CFLAGS="$CFLAGS"
  808. CFLAGS="$CFLAGS -Wshorten-64-to-32"
  809. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], have_shorten64_flag=yes,
  810. have_shorten64_flag=no)
  811. CFLAGS="$save_CFLAGS"
  812. case $host in
  813. *-*-openbsd*)
  814. # Some OpenBSD versions (like 4.8) have -Wsystem-headers by default.
  815. # That's fine, except that the headers don't pass -Wredundant-decls.
  816. # Therefore, let's disable -Wsystem-headers when we're building
  817. # with maximal warnings on OpenBSD.
  818. CFLAGS="$CFLAGS -Wno-system-headers" ;;
  819. esac
  820. CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum"
  821. if test x$enable_gcc_warnings = xyes; then
  822. CFLAGS="$CFLAGS -Werror"
  823. fi
  824. # Disabled, so we can use mallinfo(): -Waggregate-return
  825. if test x$have_gcc4 = xyes ; then
  826. # These warnings break gcc 3.3.5 and work on gcc 4.0.2
  827. CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
  828. fi
  829. if test x$have_gcc42 = xyes ; then
  830. # These warnings break gcc 4.0.2 and work on gcc 4.2
  831. # XXXX020 See if any of these work with earlier versions.
  832. CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wstrict-overflow=1"
  833. # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
  834. fi
  835. if test x$have_gcc42 = xyes && test x$have_clang29orlower = xno; then
  836. # These warnings break gcc 4.0.2 and clang, but work on gcc 4.2
  837. # We only disable these for clang 2.9 and lower, in case they are
  838. # supported in later versions.
  839. CFLAGS="$CFLAGS -Wnormalized=id -Woverride-init"
  840. fi
  841. if test x$have_gcc43 = xyes ; then
  842. # These warnings break gcc 4.2 and work on gcc 4.3
  843. # XXXX020 See if any of these work with earlier versions.
  844. CFLAGS="$CFLAGS -Wextra -Warray-bounds"
  845. fi
  846. if test x$have_shorten64_flag = xyes ; then
  847. CFLAGS="$CFLAGS -Wshorten-64-to-32"
  848. fi
  849. ##This will break the world on some 64-bit architectures
  850. # CFLAGS="$CFLAGS -Winline"
  851. fi
  852. CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
  853. AC_CONFIG_FILES([Makefile tor.spec Doxyfile contrib/tor.sh contrib/torctl contrib/torify contrib/tor.logrotate contrib/Makefile src/config/torrc.sample src/Makefile doc/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])
  854. AC_OUTPUT
  855. if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
  856. ./contrib/updateVersions.pl
  857. fi