configure.in 28 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. TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
  232. #ifdef WIN32
  233. #include <winsock2.h>
  234. #endif
  235. #include <stdlib.h>
  236. #include <sys/time.h>
  237. #include <sys/types.h>
  238. #include <event.h>], [
  239. #ifdef WIN32
  240. #include <winsock2.h>
  241. #endif
  242. void exit(int); void *event_init(void);],
  243. [
  244. #ifdef WIN32
  245. {WSADATA d; WSAStartup(0x101,&d); }
  246. #endif
  247. event_init(); exit(0);
  248. ], [--with-libevent-dir], [/opt/libevent])
  249. dnl Now check for particular libevent functions.
  250. save_LIBS="$LIBS"
  251. save_LDFLAGS="$LDFLAGS"
  252. save_CPPFLAGS="$CPPFLAGS"
  253. LIBS="-levent $TOR_LIB_WS32 $LIBS"
  254. LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
  255. CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
  256. AC_CHECK_FUNCS(event_get_version event_get_version_number event_get_method event_set_log_callback evdns_set_outgoing_bind_address event_base_loopexit)
  257. AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
  258. [#include <event.h>
  259. ])
  260. AC_CHECK_HEADERS(event2/event.h event2/dns.h)
  261. LIBS="$save_LIBS"
  262. LDFLAGS="$save_LDFLAGS"
  263. CPPFLAGS="$save_CPPFLAGS"
  264. AM_CONDITIONAL(USE_EXTERNAL_EVDNS, test x$ac_cv_header_event2_dns_h = xyes)
  265. if test "$enable_static_libevent" = "yes"; then
  266. if test "$tor_cv_library_libevent_dir" = "(system)"; then
  267. AC_MSG_ERROR("You must specify an explicit --with-libevent-dir=x option when using --enable-static-libevent")
  268. else
  269. TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent.a"
  270. fi
  271. else
  272. TOR_LIBEVENT_LIBS="-levent"
  273. fi
  274. AC_SUBST(TOR_LIBEVENT_LIBS)
  275. dnl ------------------------------------------------------
  276. dnl Where do you live, openssl? And how do we call you?
  277. tor_openssl_pkg_redhat="openssl"
  278. tor_openssl_pkg_debian="libssl"
  279. tor_openssl_devpkg_redhat="openssl-devel"
  280. tor_openssl_devpkg_debian="libssl-dev"
  281. ALT_openssl_WITHVAL=""
  282. AC_ARG_WITH(ssl-dir,
  283. [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
  284. [
  285. if test "x$withval" != xno && test "x$withval" != "x" ; then
  286. ALT_openssl_WITHVAL="$withval"
  287. fi
  288. ])
  289. TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
  290. [#include <openssl/rand.h>],
  291. [void RAND_add(const void *buf, int num, double entropy);],
  292. [RAND_add((void*)0,0,0); exit(0);], [],
  293. [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
  294. dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
  295. echo "tor_cv_library_openssl_dir is $tor_cv_library_openssl_dir"
  296. if test "$enable_static_openssl" = "yes"; then
  297. if test "$tor_cv_library_openssl_dir" = "(system)"; then
  298. AC_MSG_ERROR("You must specify an explicit --with-openssl-dir=x option when using --enable-static-openssl")
  299. else
  300. TOR_OPENSSL_LIBS="$TOR_LIBDIR_openssl/libssl.a $TOR_LIBDIR_openssl/libcrypto.a"
  301. fi
  302. else
  303. TOR_OPENSSL_LIBS="-lssl -lcrypto"
  304. fi
  305. AC_SUBST(TOR_OPENSSL_LIBS)
  306. dnl ------------------------------------------------------
  307. dnl Where do you live, zlib? And how do we call you?
  308. tor_openssl_pkg_redhat="zlib"
  309. tor_openssl_pkg_debian="zlib1g"
  310. tor_openssl_devpkg_redhat="zlib-devel"
  311. tor_openssl_devpkg_debian="zlib1g-dev"
  312. TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
  313. [#include <zlib.h>],
  314. [const char * zlibVersion(void);],
  315. [zlibVersion(); exit(0);], [--with-zlib-dir],
  316. [/opt/zlib])
  317. if test "$enable_static_zlib" = "yes"; then
  318. if test "$tor_cv_library_zlib_dir" = "(system)"; then
  319. AC_MSG_ERROR("You must specify an explicit --with-zlib-dir=x option when
  320. using --enable-static-zlib")
  321. else
  322. TOR_ZLIB_LIBS="$TOR_LIBDIR_zlib/libz.a"
  323. echo "$TOR_LIBDIR_zlib/libz.a"
  324. fi
  325. else
  326. TOR_ZLIB_LIBS="-lz"
  327. fi
  328. AC_SUBST(TOR_ZLIB_LIBS)
  329. dnl Make sure to enable support for large off_t if available.
  330. AC_SYS_LARGEFILE
  331. 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.))
  332. 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)
  333. dnl These headers are not essential
  334. 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)
  335. TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
  336. [#ifdef HAVE_MALLOC_H
  337. #include <malloc.h>
  338. #endif
  339. #ifdef HAVE_MALLOC_MALLOC_H
  340. #include <malloc/malloc.h>
  341. #endif])
  342. AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
  343. [#ifdef HAVE_SYS_TYPES_H
  344. #include <sys/types.h>
  345. #endif
  346. #ifdef HAVE_SYS_SOCKET_H
  347. #include <sys/socket.h>
  348. #endif])
  349. AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
  350. [#ifdef HAVE_SYS_TYPES_H
  351. #include <sys/types.h>
  352. #endif
  353. #ifdef HAVE_SYS_SOCKET_H
  354. #include <sys/socket.h>
  355. #endif
  356. #ifdef HAVE_NET_IF_H
  357. #include <net/if.h>
  358. #endif])
  359. AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
  360. linux_netfilter_ipv4=1, linux_netfilter_ipv4=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_LIMITS_H
  368. #include <limits.h>
  369. #endif
  370. #ifdef HAVE_LINUX_TYPES_H
  371. #include <linux/types.h>
  372. #endif
  373. #ifdef HAVE_NETINET_IN6_H
  374. #include <netinet/in6.h>
  375. #endif
  376. #ifdef HAVE_NETINET_IN_H
  377. #include <netinet/in.h>
  378. #endif])
  379. if test x$transparent = xtrue ; then
  380. transparent_ok=0
  381. if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
  382. transparent_ok=1
  383. fi
  384. if test x$linux_netfilter_ipv4 = x1 ; then
  385. transparent_ok=1
  386. fi
  387. if test x$transparent_ok = x1 ; then
  388. AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
  389. case $host in
  390. *-*-openbsd*)
  391. AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
  392. esac
  393. else
  394. AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
  395. fi
  396. fi
  397. AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
  398. [#ifdef HAVE_SYS_TYPES_H
  399. #include <sys/types.h>
  400. #endif
  401. #ifdef HAVE_SYS_TIME_H
  402. #include <sys/time.h>
  403. #endif])
  404. dnl In case we aren't given a working stdint.h, we'll need to grow our own.
  405. dnl Watch out.
  406. AC_CHECK_SIZEOF(int8_t)
  407. AC_CHECK_SIZEOF(int16_t)
  408. AC_CHECK_SIZEOF(int32_t)
  409. AC_CHECK_SIZEOF(int64_t)
  410. AC_CHECK_SIZEOF(uint8_t)
  411. AC_CHECK_SIZEOF(uint16_t)
  412. AC_CHECK_SIZEOF(uint32_t)
  413. AC_CHECK_SIZEOF(uint64_t)
  414. AC_CHECK_SIZEOF(intptr_t)
  415. AC_CHECK_SIZEOF(uintptr_t)
  416. dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
  417. AC_CHECK_SIZEOF(char)
  418. AC_CHECK_SIZEOF(short)
  419. AC_CHECK_SIZEOF(int)
  420. AC_CHECK_SIZEOF(long)
  421. AC_CHECK_SIZEOF(long long)
  422. AC_CHECK_SIZEOF(__int64)
  423. AC_CHECK_SIZEOF(void *)
  424. AC_CHECK_SIZEOF(time_t)
  425. AC_CHECK_SIZEOF(size_t)
  426. AC_CHECK_TYPES([uint, u_char, ssize_t])
  427. dnl used to include sockaddr_storage, but everybody has that.
  428. AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
  429. [#ifdef HAVE_SYS_TYPES_H
  430. #include <sys/types.h>
  431. #endif
  432. #ifdef HAVE_NETINET_IN_H
  433. #include <netinet/in.h>
  434. #endif
  435. #ifdef HAVE_NETINET_IN6_H
  436. #include <netinet/in6.h>
  437. #endif
  438. #ifdef HAVE_SYS_SOCKET_H
  439. #include <sys/socket.h>
  440. #endif
  441. #ifdef MS_WINDOWS
  442. #define WIN32_WINNT 0x400
  443. #define _WIN32_WINNT 0x400
  444. #define WIN32_LEAN_AND_MEAN
  445. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  446. #include <winsock.h>
  447. #else
  448. #include <winsock2.h>
  449. #include <ws2tcpip.h>
  450. #endif
  451. #endif
  452. ])
  453. AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
  454. [#ifdef HAVE_SYS_TYPES_H
  455. #include <sys/types.h>
  456. #endif
  457. #ifdef HAVE_NETINET_IN_H
  458. #include <netinet/in.h>
  459. #endif
  460. #ifdef HAVE_NETINET_IN6_H
  461. #include <netinet/in6.h>
  462. #endif
  463. #ifdef HAVE_SYS_SOCKET_H
  464. #include <sys/socket.h>
  465. #endif
  466. #ifdef MS_WINDOWS
  467. #define WIN32_WINNT 0x400
  468. #define _WIN32_WINNT 0x400
  469. #define WIN32_LEAN_AND_MEAN
  470. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  471. #include <winsock.h>
  472. #else
  473. #include <winsock2.h>
  474. #include <ws2tcpip.h>
  475. #endif
  476. #endif
  477. ])
  478. AC_CHECK_TYPES([rlim_t], , ,
  479. [#ifdef HAVE_SYS_TYPES_H
  480. #include <sys/types.h>
  481. #endif
  482. #ifdef HAVE_SYS_TIME_H
  483. #include <sys/time.h>
  484. #endif
  485. #ifdef HAVE_SYS_RESOURCE_H
  486. #include <sys/resource.h>
  487. #endif
  488. ])
  489. AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
  490. AC_RUN_IFELSE([AC_LANG_SOURCE([
  491. #ifdef HAVE_SYS_TYPES_H
  492. #include <sys/types.h>
  493. #endif
  494. #ifdef HAVE_SYS_TIME_H
  495. #include <sys/time.h>
  496. #endif
  497. #ifdef HAVE_TIME_H
  498. #include <time.h>
  499. #endif
  500. int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }])],
  501. tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
  502. ])
  503. if test "$tor_cv_time_t_signed" = cross; then
  504. AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
  505. fi
  506. if test "$tor_cv_time_t_signed" != no; then
  507. AC_DEFINE([TIME_T_IS_SIGNED], 1,
  508. [Define to 1 iff time_t is signed])
  509. fi
  510. AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
  511. #ifdef HAVE_SYS_SOCKET_H
  512. #include <sys/socket.h>
  513. #endif
  514. ])
  515. # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
  516. AC_CHECK_SIZEOF(cell_t)
  517. # Now make sure that NULL can be represented as zero bytes.
  518. AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
  519. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  520. [[#include <stdlib.h>
  521. #include <string.h>
  522. #include <stdio.h>
  523. #ifdef HAVE_STDDEF_H
  524. #include <stddef.h>
  525. #endif
  526. int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
  527. return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
  528. [tor_cv_null_is_zero=yes],
  529. [tor_cv_null_is_zero=no],
  530. [tor_cv_null_is_zero=cross])])
  531. if test "$tor_cv_null_is_zero" = 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 NULL is represented as a sequence of 0-valued bytes.])
  534. fi
  535. if test "$tor_cv_null_is_zero" != no; then
  536. AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
  537. [Define to 1 iff memset(0) sets pointers to NULL])
  538. fi
  539. # And what happens when we malloc zero?
  540. AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
  541. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  542. [[#include <stdlib.h>
  543. #include <string.h>
  544. #include <stdio.h>
  545. #ifdef HAVE_STDDEF_H
  546. #include <stddef.h>
  547. #endif
  548. int main () { return malloc(0)?0:1; }]])],
  549. [tor_cv_malloc_zero_works=yes],
  550. [tor_cv_malloc_zero_works=no],
  551. [tor_cv_malloc_zero_works=cross])])
  552. if test "$tor_cv_malloc_zero_works" = cross; then
  553. # Cross-compiling; let's hope that the target isn't raving mad.
  554. AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
  555. fi
  556. if test "$tor_cv_malloc_zero_works" = yes; then
  557. AC_DEFINE([MALLOC_ZERO_WORKS], 1,
  558. [Define to 1 iff malloc(0) returns a pointer])
  559. fi
  560. # whether we seem to be in a 2s-complement world.
  561. AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
  562. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  563. [[int main () { int problem = ((-99) != (~99)+1);
  564. return problem ? 1 : 0; }]])],
  565. [tor_cv_twos_complement=yes],
  566. [tor_cv_twos_complement=no],
  567. [tor_cv_twos_complement=cross])])
  568. if test "$tor_cv_twos_complement" = cross ; then
  569. # Cross-compiling; let's hope that the target isn't raving mad.
  570. AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
  571. fi
  572. if test "$tor_cv_twos_complement" != no ; then
  573. AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
  574. [Define to 1 iff we represent negative integers with two's complement])
  575. fi
  576. # Whether we should use the dmalloc memory allocation debugging library.
  577. AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
  578. AC_ARG_WITH(dmalloc,
  579. [ --with-dmalloc Use debug memory allocation library. ],
  580. [if [[ "$withval" = "yes" ]]; then
  581. dmalloc=1
  582. AC_MSG_RESULT(yes)
  583. else
  584. dmalloc=1
  585. AC_MSG_RESULT(no)
  586. fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
  587. )
  588. if [[ $dmalloc -eq 1 ]]; then
  589. AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
  590. AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
  591. AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
  592. AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
  593. AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
  594. fi
  595. AC_ARG_WITH(tcmalloc,
  596. [ --with-tcmalloc Use tcmalloc memory allocation library. ],
  597. [ tcmalloc=yes ], [ tcmalloc=no ])
  598. if test x$tcmalloc = xyes ; then
  599. LDFLAGS="-ltcmalloc $LDFLAGS"
  600. fi
  601. # By default, we're going to assume we don't have mlockall()
  602. # bionic and other platforms have various broken mlockall subsystems.
  603. # Some systems don't have a working mlockall, some aren't linkable,
  604. # and some have it but don't declare it.
  605. AC_CHECK_FUNCS(mlockall)
  606. AC_CHECK_DECLS([mlockall], , , [
  607. #ifdef HAVE_SYS_MMAN_H
  608. #include <sys/mman.h>
  609. #endif])
  610. # Allow user to specify an alternate syslog facility
  611. AC_ARG_WITH(syslog-facility,
  612. [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
  613. syslog_facility="$withval", syslog_facility="LOG_DAEMON")
  614. AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
  615. AC_SUBST(LOGFACILITY)
  616. # Check if we have getresuid and getresgid
  617. AC_CHECK_FUNCS(getresuid getresgid)
  618. # Check for gethostbyname_r in all its glorious incompatible versions.
  619. # (This logic is based on that in Python's configure.in)
  620. AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
  621. [Define this if you have any gethostbyname_r()])
  622. AC_CHECK_FUNC(gethostbyname_r, [
  623. AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
  624. OLD_CFLAGS=$CFLAGS
  625. CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
  626. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
  627. #include <netdb.h>
  628. ], [[
  629. char *cp1, *cp2;
  630. struct hostent *h1, *h2;
  631. int i1, i2;
  632. (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
  633. ]])],[
  634. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  635. AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
  636. [Define this if gethostbyname_r takes 6 arguments])
  637. AC_MSG_RESULT(6)
  638. ], [
  639. AC_TRY_COMPILE([
  640. #include <netdb.h>
  641. ], [
  642. char *cp1, *cp2;
  643. struct hostent *h1;
  644. int i1, i2;
  645. (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
  646. ], [
  647. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  648. AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
  649. [Define this if gethostbyname_r takes 5 arguments])
  650. AC_MSG_RESULT(5)
  651. ], [
  652. AC_TRY_COMPILE([
  653. #include <netdb.h>
  654. ], [
  655. char *cp1;
  656. struct hostent *h1;
  657. struct hostent_data hd;
  658. (void) gethostbyname_r(cp1,h1,&hd);
  659. ], [
  660. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  661. AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
  662. [Define this if gethostbyname_r takes 3 arguments])
  663. AC_MSG_RESULT(3)
  664. ], [
  665. AC_MSG_RESULT(0)
  666. ])
  667. ])
  668. ])
  669. CFLAGS=$OLD_CFLAGS
  670. ])
  671. AC_CACHE_CHECK([whether the C compiler supports __func__],
  672. tor_cv_have_func_macro,
  673. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  674. #include <stdio.h>
  675. int main(int c, char **v) { puts(__func__); }])],
  676. tor_cv_have_func_macro=yes,
  677. tor_cv_have_func_macro=no))
  678. AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
  679. tor_cv_have_FUNC_macro,
  680. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  681. #include <stdio.h>
  682. int main(int c, char **v) { puts(__FUNC__); }])],
  683. tor_cv_have_FUNC_macro=yes,
  684. tor_cv_have_FUNC_macro=no))
  685. AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
  686. tor_cv_have_FUNCTION_macro,
  687. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  688. #include <stdio.h>
  689. int main(int c, char **v) { puts(__FUNCTION__); }])],
  690. tor_cv_have_FUNCTION_macro=yes,
  691. tor_cv_have_FUNCTION_macro=no))
  692. if test "$tor_cv_have_func_macro" = 'yes'; then
  693. AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
  694. fi
  695. if test "$tor_cv_have_FUNC_macro" = 'yes'; then
  696. AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
  697. fi
  698. if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
  699. AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
  700. [Defined if the compiler supports __FUNCTION__])
  701. fi
  702. # $prefix stores the value of the --prefix command line option, or
  703. # NONE if the option wasn't set. In the case that it wasn't set, make
  704. # it be the default, so that we can use it to expand directories now.
  705. if test "x$prefix" = "xNONE"; then
  706. prefix=$ac_default_prefix
  707. fi
  708. # and similarly for $exec_prefix
  709. if test "x$exec_prefix" = "xNONE"; then
  710. exec_prefix=$prefix
  711. fi
  712. if test "x$CONFDIR" = "x"; then
  713. CONFDIR=`eval echo $sysconfdir/tor`
  714. fi
  715. AC_SUBST(CONFDIR)
  716. AH_TEMPLATE([CONFDIR],[tor's configuration directory])
  717. AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
  718. BINDIR=`eval echo $bindir`
  719. AC_SUBST(BINDIR)
  720. LOCALSTATEDIR=`eval echo $localstatedir`
  721. AC_SUBST(LOCALSTATEDIR)
  722. # Set CFLAGS _after_ all the above checks, since our warnings are stricter
  723. # than autoconf's macros like.
  724. if test "$GCC" = yes; then
  725. CFLAGS="$CFLAGS -Wall -g -O2"
  726. # Disable GCC's strict aliasing checks. They are an hours-to-debug
  727. # accident waiting to happen.
  728. CFLAGS="$CFLAGS -fno-strict-aliasing"
  729. else
  730. CFLAGS="$CFLAGS -g -O"
  731. enable_gcc_warnings=no
  732. enable_gcc_warnings_advisory=no
  733. fi
  734. # Add some more warnings which we use in development but not in the
  735. # released versions. (Some relevant gcc versions can't handle these.)
  736. if test x$enable_gcc_warnings = xyes || test x$enable_gcc_warnings_advisory = xyes; then
  737. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  738. #if !defined(__GNUC__) || (__GNUC__ < 4)
  739. #error
  740. #endif])], have_gcc4=yes, have_gcc4=no)
  741. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  742. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
  743. #error
  744. #endif])], have_gcc42=yes, have_gcc42=no)
  745. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  746. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
  747. #error
  748. #endif])], have_gcc43=yes, have_gcc43=no)
  749. save_CFLAGS="$CFLAGS"
  750. CFLAGS="$CFLAGS -Wshorten-64-to-32"
  751. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], have_shorten64_flag=yes,
  752. have_shorten64_flag=no)
  753. CFLAGS="$save_CFLAGS"
  754. case $host in
  755. *-*-openbsd*)
  756. # Some OpenBSD versions (like 4.8) have -Wsystem-headers by default.
  757. # That's fine, except that the headers don't pass -Wredundant-decls.
  758. # Therefore, let's disable -Wsystem-headers when we're building
  759. # with maximal warnings on OpenBSD.
  760. CFLAGS="$CFLAGS -Wno-system-headers" ;;
  761. esac
  762. CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum"
  763. if test x$enable_gcc_warnings = xyes; then
  764. CFLAGS="$CFLAGS -Werror"
  765. fi
  766. # Disabled, so we can use mallinfo(): -Waggregate-return
  767. if test x$have_gcc4 = xyes ; then
  768. # These warnings break gcc 3.3.5 and work on gcc 4.0.2
  769. CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
  770. fi
  771. if test x$have_gcc42 = xyes ; then
  772. # These warnings break gcc 4.0.2 and work on gcc 4.2
  773. # XXXX020 See if any of these work with earlier versions.
  774. CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1"
  775. # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
  776. fi
  777. if test x$have_gcc43 = xyes ; then
  778. # These warnings break gcc 4.2 and work on gcc 4.3
  779. # XXXX020 See if any of these work with earlier versions.
  780. CFLAGS="$CFLAGS -Wextra -Warray-bounds"
  781. fi
  782. if test x$have_shorten64_flag = xyes ; then
  783. CFLAGS="$CFLAGS -Wshorten-64-to-32"
  784. fi
  785. ##This will break the world on some 64-bit architectures
  786. # CFLAGS="$CFLAGS -Winline"
  787. fi
  788. CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
  789. 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 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])
  790. AC_OUTPUT
  791. if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
  792. ./contrib/updateVersions.pl
  793. fi