configure.in 37 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, 0.2.3.1-alpha-dev)
  7. AM_CONFIG_HEADER(orconfig.h)
  8. AC_CANONICAL_HOST
  9. if test -f /etc/redhat-release ; then
  10. if test -f /usr/kerberos/include ; then
  11. CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
  12. fi
  13. fi
  14. # Not a no-op; we want to make sure that CPPFLAGS is set before we use
  15. # the += operator on it in src/or/Makefile.am
  16. CPPFLAGS="$CPPFLAGS -I\${top_srcdir}/src/common"
  17. #XXXX020 We should make these enabled or not, before 0.2.0.x-final
  18. AC_ARG_ENABLE(buf-freelists,
  19. AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM))
  20. AC_ARG_ENABLE(openbsd-malloc,
  21. AS_HELP_STRING(--enable-openbsd-malloc, Use malloc code from openbsd. Linux only))
  22. AC_ARG_ENABLE(instrument-downloads,
  23. AS_HELP_STRING(--enable-instrument-downloads, Instrument downloads of directory resources etc.))
  24. AC_ARG_ENABLE(static-openssl,
  25. AS_HELP_STRING(--enable-static-openssl, Link against a static openssl library. Requires --with-openssl-dir))
  26. AC_ARG_ENABLE(static-libevent,
  27. AS_HELP_STRING(--enable-static-libevent, Link against a static libevent library. Requires --with-libevent-dir))
  28. AC_ARG_ENABLE(static-zlib,
  29. AS_HELP_STRING(--enable-static-zlib, Link against a static zlib library. Requires --with-zlib-dir))
  30. AC_ARG_ENABLE(static-tor,
  31. AS_HELP_STRING(--enable-static-tor, Create an entirely static Tor binary. Requires --with-openssl-dir and --with-libevent-dir and --with-zlib-dir))
  32. if test "$enable_static_tor" = "yes"; then
  33. enable_static_libevent="yes";
  34. enable_static_openssl="yes";
  35. enable_static_zlib="yes";
  36. CFLAGS="$CFLAGS -static"
  37. fi
  38. if test x$enable_buf_freelists != xno; then
  39. AC_DEFINE(ENABLE_BUF_FREELISTS, 1,
  40. [Defined if we try to use freelists for buffer RAM chunks])
  41. fi
  42. AM_CONDITIONAL(USE_OPENBSD_MALLOC, test x$enable_openbsd_malloc = xyes)
  43. if test x$enable_instrument_downloads = xyes; then
  44. AC_DEFINE(INSTRUMENT_DOWNLOADS, 1,
  45. [Defined if we want to keep track of how much of each kind of resource we download.])
  46. fi
  47. AC_ARG_ENABLE(transparent,
  48. AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
  49. [case "${enableval}" in
  50. yes) transparent=true ;;
  51. no) transparent=false ;;
  52. *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
  53. esac], [transparent=true])
  54. AC_ARG_ENABLE(asciidoc,
  55. AS_HELP_STRING(--disable-asciidoc, don't use asciidoc (disables building of manpages)),
  56. [case "${enableval}" in
  57. yes) asciidoc=true ;;
  58. no) asciidoc=false ;;
  59. *) AC_MSG_ERROR(bad value for --disable-asciidoc) ;;
  60. esac], [asciidoc=true])
  61. # By default, we're not ready to ship a NAT-PMP aware Tor
  62. AC_ARG_ENABLE(nat-pmp,
  63. AS_HELP_STRING(--enable-nat-pmp, enable NAT-PMP support),
  64. [case "${enableval}" in
  65. yes) natpmp=true ;;
  66. no) natpmp=false ;;
  67. * ) AC_MSG_ERROR(bad value for --enable-nat-pmp) ;;
  68. esac], [natpmp=false])
  69. # By default, we're not ready to ship a UPnP aware Tor
  70. AC_ARG_ENABLE(upnp,
  71. AS_HELP_STRING(--enable-upnp, enable UPnP support),
  72. [case "${enableval}" in
  73. yes) upnp=true ;;
  74. no) upnp=false ;;
  75. * ) AC_MSG_ERROR(bad value for --enable-upnp) ;;
  76. esac], [upnp=false])
  77. AC_ARG_ENABLE(threads,
  78. AS_HELP_STRING(--disable-threads, disable multi-threading support))
  79. if test x$enable_threads = x; then
  80. case $host in
  81. *-*-solaris* )
  82. # Don't try multithreading on solaris -- cpuworkers seem to lock.
  83. AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
  84. cpu workers lock up here, so I will disable threads.])
  85. enable_threads="no";;
  86. *)
  87. enable_threads="yes";;
  88. esac
  89. fi
  90. if test "$enable_threads" = "yes"; then
  91. AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
  92. fi
  93. case $host in
  94. *-*-solaris* )
  95. AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
  96. ;;
  97. esac
  98. AC_ARG_ENABLE(gcc-warnings,
  99. AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
  100. AC_ARG_ENABLE(gcc-warnings-advisory,
  101. AS_HELP_STRING(--enable-gcc-warnings-advisory, [enable verbose warnings, excluding -Werror]))
  102. dnl Adam shostack suggests the following for Windows:
  103. dnl -D_FORTIFY_SOURCE=2 -fstack-protector-all
  104. dnl Others suggest '/gs /safeseh /nxcompat /dynamicbase' for non-gcc on Windows
  105. dnl This requires that we use gcc and that we add -O2 to the CFLAGS.
  106. AC_ARG_ENABLE(gcc-hardening,
  107. AS_HELP_STRING(--enable-gcc-hardening, enable compiler security checks),
  108. [if test x$enableval = xyes; then
  109. CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2 -fstack-protector-all"
  110. CFLAGS="$CFLAGS -fwrapv -fPIE -Wstack-protector"
  111. CFLAGS="$CFLAGS --param ssp-buffer-size=1"
  112. LDFLAGS="$LDFLAGS -pie"
  113. fi])
  114. dnl Linker hardening options
  115. dnl Currently these options are ELF specific - you can't use this with MacOSX
  116. AC_ARG_ENABLE(linker-hardening,
  117. AS_HELP_STRING(--enable-linker-hardening, enable linker security fixups),
  118. [if test x$enableval = xyes; then
  119. LDFLAGS="$LDFLAGS -z relro -z now"
  120. fi])
  121. AC_ARG_ENABLE(local-appdata,
  122. AS_HELP_STRING(--enable-local-appdata, default to host local application data paths on Windows))
  123. if test "$enable_local_appdata" = "yes"; then
  124. AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
  125. [Defined if we default to host local appdata paths on Windows])
  126. fi
  127. AC_ARG_ENABLE(bufferevents,
  128. AS_HELP_STRING(--enable-bufferevents, use Libevent's buffered IO.))
  129. AC_PROG_CC
  130. AC_PROG_CPP
  131. AC_PROG_MAKE_SET
  132. AC_PROG_RANLIB
  133. dnl autoconf 2.59 appears not to support AC_PROG_SED
  134. AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
  135. dnl check for asciidoc and a2x
  136. AC_PATH_PROG([ASCIIDOC], [asciidoc], none)
  137. AC_PATH_PROG([A2X], [a2x], none)
  138. AM_CONDITIONAL(USE_ASCIIDOC, test x$asciidoc = xtrue)
  139. AM_CONDITIONAL(USE_FW_HELPER, test x$natpmp = xtrue || test x$upnp = xtrue)
  140. AM_CONDITIONAL(NAT_PMP, test x$natpmp = xtrue)
  141. AM_CONDITIONAL(MINIUPNPC, test x$upnp = xtrue)
  142. AM_PROG_CC_C_O
  143. ifdef([AC_C_FLEXIBLE_ARRAY_MEMBER], [
  144. AC_C_FLEXIBLE_ARRAY_MEMBER
  145. ], [
  146. dnl Maybe we've got an old autoconf...
  147. AC_CACHE_CHECK([for flexible array members],
  148. tor_cv_c_flexarray,
  149. [AC_COMPILE_IFELSE(
  150. AC_LANG_PROGRAM([
  151. struct abc { int a; char b[]; };
  152. ], [
  153. struct abc *def = malloc(sizeof(struct abc)+sizeof(char));
  154. def->b[0] = 33;
  155. ]),
  156. [tor_cv_c_flexarray=yes],
  157. [tor_cv_c_flexarray=no])])
  158. if test $tor_cv_flexarray = yes ; then
  159. AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [])
  160. else
  161. AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [1])
  162. fi
  163. ])
  164. AC_PATH_PROG([SHA1SUM], [sha1sum], none)
  165. AC_PATH_PROG([OPENSSL], [openssl], none)
  166. TORUSER=_tor
  167. AC_ARG_WITH(tor-user,
  168. [ --with-tor-user=NAME Specify username for tor daemon ],
  169. [
  170. TORUSER=$withval
  171. ]
  172. )
  173. AC_SUBST(TORUSER)
  174. TORGROUP=_tor
  175. AC_ARG_WITH(tor-group,
  176. [ --with-tor-group=NAME Specify group name for tor daemon ],
  177. [
  178. TORGROUP=$withval
  179. ]
  180. )
  181. AC_SUBST(TORGROUP)
  182. dnl If WIN32 is defined and non-zero, we are building for win32
  183. AC_MSG_CHECKING([for win32])
  184. AC_RUN_IFELSE([AC_LANG_SOURCE([
  185. int main(int c, char **v) {
  186. #ifdef WIN32
  187. #if WIN32
  188. return 0;
  189. #else
  190. return 1;
  191. #endif
  192. #else
  193. return 2;
  194. #endif
  195. }])],
  196. bwin32=true; AC_MSG_RESULT([yes]),
  197. bwin32=false; AC_MSG_RESULT([no]),
  198. bwin32=cross; AC_MSG_RESULT([cross])
  199. )
  200. if test "$bwin32" = cross; then
  201. AC_MSG_CHECKING([for win32 (cross)])
  202. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  203. #ifdef WIN32
  204. int main(int c, char **v) {return 0;}
  205. #else
  206. #error
  207. int main(int c, char **v) {return x(y);}
  208. #endif
  209. ])],
  210. bwin32=true; AC_MSG_RESULT([yes]),
  211. bwin32=false; AC_MSG_RESULT([no]))
  212. fi
  213. if test "$bwin32" = true; then
  214. AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
  215. fi
  216. AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
  217. dnl Enable C99 when compiling with MIPSpro
  218. AC_MSG_CHECKING([for MIPSpro compiler])
  219. AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [
  220. #if (defined(__sgi) && defined(_COMPILER_VERSION))
  221. #error
  222. return x(y);
  223. #endif
  224. ])],
  225. bmipspro=false; AC_MSG_RESULT(no),
  226. bmipspro=true; AC_MSG_RESULT(yes))
  227. if test "$bmipspro" = true; then
  228. CFLAGS="$CFLAGS -c99"
  229. fi
  230. AC_C_BIGENDIAN
  231. AC_SEARCH_LIBS(socket, [socket])
  232. AC_SEARCH_LIBS(gethostbyname, [nsl])
  233. AC_SEARCH_LIBS(dlopen, [dl])
  234. AC_SEARCH_LIBS(inet_aton, [resolv])
  235. if test "$enable_threads" = "yes"; then
  236. AC_SEARCH_LIBS(pthread_create, [pthread])
  237. AC_SEARCH_LIBS(pthread_detach, [pthread])
  238. fi
  239. dnl -------------------------------------------------------------------
  240. dnl Check for functions before libevent, since libevent-1.2 apparently
  241. dnl exports strlcpy without defining it in a header.
  242. AC_CHECK_FUNCS(
  243. accept4 \
  244. flock \
  245. ftime \
  246. getaddrinfo \
  247. getrlimit \
  248. gettimeofday \
  249. gmtime_r \
  250. inet_aton \
  251. localtime_r \
  252. memmem \
  253. prctl \
  254. socketpair \
  255. strlcat \
  256. strlcpy \
  257. strptime \
  258. strtok_r \
  259. strtoull \
  260. sysconf \
  261. uname \
  262. vasprintf \
  263. )
  264. using_custom_malloc=no
  265. if test x$enable_openbsd_malloc = xyes ; then
  266. AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
  267. using_custom_malloc=yes
  268. fi
  269. if test x$tcmalloc = xyes ; then
  270. using_custom_malloc=yes
  271. fi
  272. if test $using_custom_malloc = no ; then
  273. AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
  274. fi
  275. if test "$enable_threads" = "yes"; then
  276. AC_CHECK_HEADERS(pthread.h)
  277. AC_CHECK_FUNCS(pthread_create)
  278. fi
  279. dnl ------------------------------------------------------
  280. dnl Where do you live, libevent? And how do we call you?
  281. if test "$bwin32" = true; then
  282. TOR_LIB_WS32=-lws2_32
  283. # Some of the cargo-cults recommend -lwsock32 as well, but I don't
  284. # think it's actually necessary.
  285. TOR_LIB_GDI=-lgdi32
  286. else
  287. TOR_LIB_WS32=
  288. TOR_LIB_GDI=
  289. fi
  290. AC_SUBST(TOR_LIB_WS32)
  291. AC_SUBST(TOR_LIB_GDI)
  292. dnl We need to do this before we try our disgusting hack below.
  293. AC_CHECK_HEADERS([sys/types.h])
  294. dnl This is a disgusting hack so we safely include older libevent headers.
  295. AC_CHECK_TYPE(u_int64_t, unsigned long long)
  296. AC_CHECK_TYPE(u_int32_t, unsigned long)
  297. AC_CHECK_TYPE(u_int16_t, unsigned short)
  298. AC_CHECK_TYPE(u_int8_t, unsigned char)
  299. tor_libevent_pkg_redhat="libevent"
  300. tor_libevent_pkg_debian="libevent-dev"
  301. tor_libevent_devpkg_redhat="libevent-devel"
  302. tor_libevent_devpkg_debian="libevent-dev"
  303. dnl On Gnu/Linux or any place we require it, we'll add librt to the Libevent
  304. dnl linking for static builds.
  305. STATIC_LIBEVENT_FLAGS=""
  306. if test "$enable_static_libevent" = "yes"; then
  307. dnl Determine if we have clock_gettime in librt
  308. AC_SEARCH_LIBS([clock_gettime], [rt],
  309. [have_rt=yes])
  310. if test "$have_rt" = yes; then
  311. STATIC_LIBEVENT_FLAGS=" -lrt "
  312. fi
  313. fi
  314. TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32], [
  315. #ifdef WIN32
  316. #include <winsock2.h>
  317. #endif
  318. #include <stdlib.h>
  319. #include <sys/time.h>
  320. #include <sys/types.h>
  321. #include <event.h>], [
  322. #ifdef WIN32
  323. #include <winsock2.h>
  324. #endif
  325. void exit(int); void *event_init(void);],
  326. [
  327. #ifdef WIN32
  328. {WSADATA d; WSAStartup(0x101,&d); }
  329. #endif
  330. event_init(); exit(0);
  331. ], [--with-libevent-dir], [/opt/libevent])
  332. dnl Now check for particular libevent functions.
  333. save_LIBS="$LIBS"
  334. save_LDFLAGS="$LDFLAGS"
  335. save_CPPFLAGS="$CPPFLAGS"
  336. LIBS="-levent $STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32 $LIBS"
  337. LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
  338. CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
  339. AC_CHECK_FUNCS(event_get_version event_get_version_number event_get_method event_set_log_callback evdns_set_outgoing_bind_address event_base_loopexit)
  340. AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
  341. [#include <event.h>
  342. ])
  343. AC_CHECK_HEADERS(event2/event.h event2/dns.h event2/bufferevent_ssl.h)
  344. LIBS="$save_LIBS"
  345. LDFLAGS="$save_LDFLAGS"
  346. CPPFLAGS="$save_CPPFLAGS"
  347. AM_CONDITIONAL(USE_EXTERNAL_EVDNS, test x$ac_cv_header_event2_dns_h = xyes)
  348. if test "$enable_static_libevent" = "yes"; then
  349. if test "$tor_cv_library_libevent_dir" = "(system)"; then
  350. AC_MSG_ERROR("You must specify an explicit --with-libevent-dir=x option when using --enable-static-libevent")
  351. else
  352. TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent.a $STATIC_LIBEVENT_FLAGS"
  353. fi
  354. else
  355. TOR_LIBEVENT_LIBS="-levent"
  356. fi
  357. dnl This isn't the best test for Libevent 2.0.3-alpha. Once it's released,
  358. dnl we can do much better.
  359. if test "$enable_bufferevents" = "yes" ; then
  360. if test "$ac_cv_header_event2_bufferevent_ssl_h" != "yes" ; then
  361. AC_MSG_ERROR([You've asked for bufferevent support, but you're using a version of Libevent without SSL support. This won't work. We need Libevent 2.0.8-rc or later, and you don't seem to even have Libevent 2.0.3-alpha.])
  362. else
  363. CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent"
  364. # Check for the right version. First see if version detection works.
  365. AC_MSG_CHECKING([whether we can detect the Libevent version])
  366. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  367. #include <event2/event.h>
  368. #if !defined(LIBEVENT_VERSION_NUMBER) || LIBEVENT_VERSION_NUMBER < 10
  369. #error
  370. int x = y(zz);
  371. #else
  372. int x = 1;
  373. #endif
  374. ])], [event_version_number_works=yes; AC_MSG_RESULT([yes]) ],
  375. [event_version_number_works=no; AC_MSG_RESULT([no])])
  376. if test "$event_version_number_works" != 'yes'; then
  377. AC_MSG_WARN([Version detection on Libevent seems broken. Your Libevent installation is probably screwed up or very old.])
  378. else
  379. AC_MSG_CHECKING([whether Libevent is new enough for bufferevents])
  380. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  381. #include <event2/event.h>
  382. #if !defined(LIBEVENT_VERSION_NUMBER) || LIBEVENT_VERSION_NUMBER < 0x02000800
  383. #error
  384. int x = y(zz);
  385. #else
  386. int x = 1;
  387. #endif
  388. ])], [ AC_MSG_RESULT([yes]) ],
  389. [ AC_MSG_RESULT([no])
  390. AC_MSG_ERROR([Libevent does not seem new enough to support bufferevents. We require 2.0.8-rc or later]) ] )
  391. fi
  392. fi
  393. fi
  394. LIBS="$save_LIBS"
  395. LDFLAGS="$save_LDFLAGS"
  396. CPPFLAGS="$save_CPPFLAGS"
  397. AM_CONDITIONAL(USE_BUFFEREVENTS, test "$enable_bufferevents" = "yes")
  398. if test "$enable_bufferevents" = "yes"; then
  399. AC_DEFINE(USE_BUFFEREVENTS, 1, [Defined if we're going to use Libevent's buffered IO API])
  400. if test "$enable_static_libevent" = "yes"; then
  401. TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent_openssl.a $TOR_LIBEVENT_LIBS"
  402. else
  403. TOR_LIBEVENT_LIBS="-levent_openssl $TOR_LIBEVENT_LIBS"
  404. fi
  405. fi
  406. AC_SUBST(TOR_LIBEVENT_LIBS)
  407. dnl ------------------------------------------------------
  408. dnl Where do you live, openssl? And how do we call you?
  409. tor_openssl_pkg_redhat="openssl"
  410. tor_openssl_pkg_debian="libssl"
  411. tor_openssl_devpkg_redhat="openssl-devel"
  412. tor_openssl_devpkg_debian="libssl-dev"
  413. ALT_openssl_WITHVAL=""
  414. AC_ARG_WITH(ssl-dir,
  415. [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
  416. [
  417. if test "x$withval" != xno && test "x$withval" != "x" ; then
  418. ALT_openssl_WITHVAL="$withval"
  419. fi
  420. ])
  421. TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
  422. [#include <openssl/rand.h>],
  423. [void RAND_add(const void *buf, int num, double entropy);],
  424. [RAND_add((void*)0,0,0); exit(0);], [],
  425. [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
  426. dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
  427. echo "tor_cv_library_openssl_dir is $tor_cv_library_openssl_dir"
  428. if test "$enable_static_openssl" = "yes"; then
  429. if test "$tor_cv_library_openssl_dir" = "(system)"; then
  430. AC_MSG_ERROR("You must specify an explicit --with-openssl-dir=x option when using --enable-static-openssl")
  431. else
  432. TOR_OPENSSL_LIBS="$TOR_LIBDIR_openssl/libssl.a $TOR_LIBDIR_openssl/libcrypto.a"
  433. fi
  434. else
  435. TOR_OPENSSL_LIBS="-lssl -lcrypto"
  436. fi
  437. AC_SUBST(TOR_OPENSSL_LIBS)
  438. dnl ------------------------------------------------------
  439. dnl Where do you live, zlib? And how do we call you?
  440. tor_zlib_pkg_redhat="zlib"
  441. tor_zlib_pkg_debian="zlib1g"
  442. tor_zlib_devpkg_redhat="zlib-devel"
  443. tor_zlib_devpkg_debian="zlib1g-dev"
  444. TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
  445. [#include <zlib.h>],
  446. [const char * zlibVersion(void);],
  447. [zlibVersion(); exit(0);], [--with-zlib-dir],
  448. [/opt/zlib])
  449. if test "$enable_static_zlib" = "yes"; then
  450. if test "$tor_cv_library_zlib_dir" = "(system)"; then
  451. AC_MSG_ERROR("You must specify an explicit --with-zlib-dir=x option when
  452. using --enable-static-zlib")
  453. else
  454. TOR_ZLIB_LIBS="$TOR_LIBDIR_zlib/libz.a"
  455. echo "$TOR_LIBDIR_zlib/libz.a"
  456. fi
  457. else
  458. TOR_ZLIB_LIBS="-lz"
  459. fi
  460. AC_SUBST(TOR_ZLIB_LIBS)
  461. dnl Make sure to enable support for large off_t if available.
  462. dnl ------------------------------------------------------
  463. dnl Where do you live, libnatpmp? And how do we call you?
  464. dnl There are no packages for Debian or Redhat as of this patch
  465. if test "$natpmp" = "true"; then
  466. AC_DEFINE(NAT_PMP, 1, [Define to 1 if we are building with nat-pmp.])
  467. TOR_SEARCH_LIBRARY(libnatpmp, $trylibnatpmpdir, [-lnatpmp],
  468. [#include <natpmp.h>],
  469. [#include <natpmp.h>],
  470. [ int r;
  471. natpmp_t natpmp;
  472. natpmpresp_t response;
  473. r = initnatpmp(&natpmp, 0, 0);],
  474. [printf("initnatpmp() returned %d (%s)\n", r, r?"FAILED":"SUCCESS");
  475. exit(0);],
  476. [--with-libnatpmp-dir],
  477. [/usr/lib/])
  478. fi
  479. dnl ------------------------------------------------------
  480. dnl Where do you live, libminiupnpc? And how do we call you?
  481. dnl There are no packages for Debian or Redhat as of this patch
  482. if test "$upnp" = "true"; then
  483. AC_DEFINE(MINIUPNPC, 1, [Define to 1 if we are building with UPnP.])
  484. TOR_SEARCH_LIBRARY(libminiupnpc, $trylibminiupnpcdir, [-lminiupnpc],
  485. [#include <miniupnpc/miniwget.h>
  486. #include <miniupnpc/miniupnpc.h>
  487. #include <miniupnpc/upnpcommands.h>],
  488. [void upnpDiscover(int delay, const char * multicastif,
  489. const char * minissdpdsock, int sameport);],
  490. [upnpDiscover(1, 0, 0, 0); exit(0);],
  491. [--with-libminiupnpc-dir],
  492. [/usr/lib/])
  493. fi
  494. AC_SYS_LARGEFILE
  495. AC_CHECK_HEADERS(
  496. assert.h \
  497. errno.h \
  498. fcntl.h \
  499. signal.h \
  500. string.h \
  501. sys/fcntl.h \
  502. sys/stat.h \
  503. sys/time.h \
  504. sys/types.h \
  505. time.h \
  506. unistd.h
  507. , , 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.))
  508. dnl These headers are not essential
  509. AC_CHECK_HEADERS(
  510. arpa/inet.h \
  511. grp.h \
  512. inttypes.h \
  513. limits.h \
  514. linux/types.h \
  515. machine/limits.h \
  516. malloc.h \
  517. malloc/malloc.h \
  518. malloc_np.h \
  519. netdb.h \
  520. netinet/in.h \
  521. netinet/in6.h \
  522. pwd.h \
  523. stdint.h \
  524. sys/file.h \
  525. sys/ioctl.h \
  526. sys/limits.h \
  527. sys/mman.h \
  528. sys/param.h \
  529. sys/prctl.h \
  530. sys/resource.h \
  531. sys/socket.h \
  532. sys/syslimits.h \
  533. sys/time.h \
  534. sys/types.h \
  535. sys/un.h \
  536. sys/utime.h \
  537. sys/wait.h \
  538. syslog.h \
  539. utime.h
  540. )
  541. TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
  542. [#ifdef HAVE_MALLOC_H
  543. #include <malloc.h>
  544. #endif
  545. #ifdef HAVE_MALLOC_MALLOC_H
  546. #include <malloc/malloc.h>
  547. #endif])
  548. AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
  549. [#ifdef HAVE_SYS_TYPES_H
  550. #include <sys/types.h>
  551. #endif
  552. #ifdef HAVE_SYS_SOCKET_H
  553. #include <sys/socket.h>
  554. #endif])
  555. AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
  556. [#ifdef HAVE_SYS_TYPES_H
  557. #include <sys/types.h>
  558. #endif
  559. #ifdef HAVE_SYS_SOCKET_H
  560. #include <sys/socket.h>
  561. #endif
  562. #ifdef HAVE_NET_IF_H
  563. #include <net/if.h>
  564. #endif])
  565. AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
  566. linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
  567. [#ifdef HAVE_SYS_TYPES_H
  568. #include <sys/types.h>
  569. #endif
  570. #ifdef HAVE_SYS_SOCKET_H
  571. #include <sys/socket.h>
  572. #endif
  573. #ifdef HAVE_LIMITS_H
  574. #include <limits.h>
  575. #endif
  576. #ifdef HAVE_LINUX_TYPES_H
  577. #include <linux/types.h>
  578. #endif
  579. #ifdef HAVE_NETINET_IN6_H
  580. #include <netinet/in6.h>
  581. #endif
  582. #ifdef HAVE_NETINET_IN_H
  583. #include <netinet/in.h>
  584. #endif])
  585. if test x$transparent = xtrue ; then
  586. transparent_ok=0
  587. if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
  588. transparent_ok=1
  589. fi
  590. if test x$linux_netfilter_ipv4 = x1 ; then
  591. transparent_ok=1
  592. fi
  593. if test x$transparent_ok = x1 ; then
  594. AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
  595. case $host in
  596. *-*-openbsd*)
  597. AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
  598. esac
  599. else
  600. AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
  601. fi
  602. fi
  603. AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
  604. [#ifdef HAVE_SYS_TYPES_H
  605. #include <sys/types.h>
  606. #endif
  607. #ifdef HAVE_SYS_TIME_H
  608. #include <sys/time.h>
  609. #endif])
  610. dnl In case we aren't given a working stdint.h, we'll need to grow our own.
  611. dnl Watch out.
  612. AC_CHECK_SIZEOF(int8_t)
  613. AC_CHECK_SIZEOF(int16_t)
  614. AC_CHECK_SIZEOF(int32_t)
  615. AC_CHECK_SIZEOF(int64_t)
  616. AC_CHECK_SIZEOF(uint8_t)
  617. AC_CHECK_SIZEOF(uint16_t)
  618. AC_CHECK_SIZEOF(uint32_t)
  619. AC_CHECK_SIZEOF(uint64_t)
  620. AC_CHECK_SIZEOF(intptr_t)
  621. AC_CHECK_SIZEOF(uintptr_t)
  622. dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
  623. AC_CHECK_SIZEOF(char)
  624. AC_CHECK_SIZEOF(short)
  625. AC_CHECK_SIZEOF(int)
  626. AC_CHECK_SIZEOF(long)
  627. AC_CHECK_SIZEOF(long long)
  628. AC_CHECK_SIZEOF(__int64)
  629. AC_CHECK_SIZEOF(void *)
  630. AC_CHECK_SIZEOF(time_t)
  631. AC_CHECK_SIZEOF(size_t)
  632. AC_CHECK_TYPES([uint, u_char, ssize_t])
  633. dnl used to include sockaddr_storage, but everybody has that.
  634. AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
  635. [#ifdef HAVE_SYS_TYPES_H
  636. #include <sys/types.h>
  637. #endif
  638. #ifdef HAVE_NETINET_IN_H
  639. #include <netinet/in.h>
  640. #endif
  641. #ifdef HAVE_NETINET_IN6_H
  642. #include <netinet/in6.h>
  643. #endif
  644. #ifdef HAVE_SYS_SOCKET_H
  645. #include <sys/socket.h>
  646. #endif
  647. #ifdef MS_WINDOWS
  648. #define WIN32_WINNT 0x400
  649. #define _WIN32_WINNT 0x400
  650. #define WIN32_LEAN_AND_MEAN
  651. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  652. #include <winsock.h>
  653. #else
  654. #include <winsock2.h>
  655. #include <ws2tcpip.h>
  656. #endif
  657. #endif
  658. ])
  659. AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
  660. [#ifdef HAVE_SYS_TYPES_H
  661. #include <sys/types.h>
  662. #endif
  663. #ifdef HAVE_NETINET_IN_H
  664. #include <netinet/in.h>
  665. #endif
  666. #ifdef HAVE_NETINET_IN6_H
  667. #include <netinet/in6.h>
  668. #endif
  669. #ifdef HAVE_SYS_SOCKET_H
  670. #include <sys/socket.h>
  671. #endif
  672. #ifdef MS_WINDOWS
  673. #define WIN32_WINNT 0x400
  674. #define _WIN32_WINNT 0x400
  675. #define WIN32_LEAN_AND_MEAN
  676. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  677. #include <winsock.h>
  678. #else
  679. #include <winsock2.h>
  680. #include <ws2tcpip.h>
  681. #endif
  682. #endif
  683. ])
  684. AC_CHECK_TYPES([rlim_t], , ,
  685. [#ifdef HAVE_SYS_TYPES_H
  686. #include <sys/types.h>
  687. #endif
  688. #ifdef HAVE_SYS_TIME_H
  689. #include <sys/time.h>
  690. #endif
  691. #ifdef HAVE_SYS_RESOURCE_H
  692. #include <sys/resource.h>
  693. #endif
  694. ])
  695. AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
  696. AC_RUN_IFELSE([AC_LANG_SOURCE([
  697. #ifdef HAVE_SYS_TYPES_H
  698. #include <sys/types.h>
  699. #endif
  700. #ifdef HAVE_SYS_TIME_H
  701. #include <sys/time.h>
  702. #endif
  703. #ifdef HAVE_TIME_H
  704. #include <time.h>
  705. #endif
  706. int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }])],
  707. tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
  708. ])
  709. if test "$tor_cv_time_t_signed" = cross; then
  710. AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
  711. fi
  712. if test "$tor_cv_time_t_signed" != no; then
  713. AC_DEFINE([TIME_T_IS_SIGNED], 1,
  714. [Define to 1 iff time_t is signed])
  715. fi
  716. AC_CACHE_CHECK([whether size_t is signed], tor_cv_size_t_signed, [
  717. AC_RUN_IFELSE([AC_LANG_SOURCE([
  718. #ifdef HAVE_SYS_TYPES_H
  719. #include <sys/types.h>
  720. #endif
  721. int main(int c, char**v) { if (((size_t)-1)<0) return 1; else return 0; }])],
  722. tor_cv_size_t_signed=no, tor_cv_size_t_signed=yes, tor_cv_size_t_signed=cross)
  723. ])
  724. if test "$tor_cv_size_t_signed" = cross; then
  725. AC_MSG_NOTICE([Cross compiling: assuming that size_t is not signed.])
  726. fi
  727. if test "$tor_cv_size_t_signed" = yes; then
  728. AC_MSG_ERROR([You have a signed size_t; that's grossly nonconformant.])
  729. fi
  730. AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
  731. #ifdef HAVE_SYS_SOCKET_H
  732. #include <sys/socket.h>
  733. #endif
  734. ])
  735. # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
  736. AC_CHECK_SIZEOF(cell_t)
  737. # Now make sure that NULL can be represented as zero bytes.
  738. AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
  739. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  740. [[#include <stdlib.h>
  741. #include <string.h>
  742. #include <stdio.h>
  743. #ifdef HAVE_STDDEF_H
  744. #include <stddef.h>
  745. #endif
  746. int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
  747. return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
  748. [tor_cv_null_is_zero=yes],
  749. [tor_cv_null_is_zero=no],
  750. [tor_cv_null_is_zero=cross])])
  751. if test "$tor_cv_null_is_zero" = cross ; then
  752. # Cross-compiling; let's hope that the target isn't raving mad.
  753. AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
  754. fi
  755. if test "$tor_cv_null_is_zero" != no; then
  756. AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
  757. [Define to 1 iff memset(0) sets pointers to NULL])
  758. fi
  759. # And what happens when we malloc zero?
  760. AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
  761. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  762. [[#include <stdlib.h>
  763. #include <string.h>
  764. #include <stdio.h>
  765. #ifdef HAVE_STDDEF_H
  766. #include <stddef.h>
  767. #endif
  768. int main () { return malloc(0)?0:1; }]])],
  769. [tor_cv_malloc_zero_works=yes],
  770. [tor_cv_malloc_zero_works=no],
  771. [tor_cv_malloc_zero_works=cross])])
  772. if test "$tor_cv_malloc_zero_works" = cross; then
  773. # Cross-compiling; let's hope that the target isn't raving mad.
  774. AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
  775. fi
  776. if test "$tor_cv_malloc_zero_works" = yes; then
  777. AC_DEFINE([MALLOC_ZERO_WORKS], 1,
  778. [Define to 1 iff malloc(0) returns a pointer])
  779. fi
  780. # whether we seem to be in a 2s-complement world.
  781. AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
  782. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  783. [[int main () { int problem = ((-99) != (~99)+1);
  784. return problem ? 1 : 0; }]])],
  785. [tor_cv_twos_complement=yes],
  786. [tor_cv_twos_complement=no],
  787. [tor_cv_twos_complement=cross])])
  788. if test "$tor_cv_twos_complement" = cross ; then
  789. # Cross-compiling; let's hope that the target isn't raving mad.
  790. AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
  791. fi
  792. if test "$tor_cv_twos_complement" != no ; then
  793. AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
  794. [Define to 1 iff we represent negative integers with two's complement])
  795. fi
  796. # What does shifting a negative value do?
  797. AC_CACHE_CHECK([whether right-shift on negative values does sign-extension], tor_cv_sign_extend,
  798. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  799. [[int main () { int okay = (-60 >> 8) == -1; return okay ? 0 : 1; }]])],
  800. [tor_cv_sign_extend=yes],
  801. [tor_cv_sign_extend=no],
  802. [tor_cv_sign_extend=cross])])
  803. if test "$tor_cv_sign_extend" = cross ; then
  804. # Cross-compiling; let's hope that the target isn't raving mad.
  805. AC_MSG_NOTICE([Cross-compiling: we'll assume that right-shifting negative integers causes sign-extension])
  806. fi
  807. if test "$tor_cv_sign_extend" != no ; then
  808. AC_DEFINE([RSHIFT_DOES_SIGN_EXTEND], 1,
  809. [Define to 1 iff right-shifting a negative value performs sign-extension])
  810. fi
  811. # Whether we should use the dmalloc memory allocation debugging library.
  812. AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
  813. AC_ARG_WITH(dmalloc,
  814. [ --with-dmalloc Use debug memory allocation library. ],
  815. [if [[ "$withval" = "yes" ]]; then
  816. dmalloc=1
  817. AC_MSG_RESULT(yes)
  818. else
  819. dmalloc=1
  820. AC_MSG_RESULT(no)
  821. fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
  822. )
  823. if [[ $dmalloc -eq 1 ]]; then
  824. AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
  825. AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
  826. AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
  827. AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
  828. AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
  829. fi
  830. AC_ARG_WITH(tcmalloc,
  831. [ --with-tcmalloc Use tcmalloc memory allocation library. ],
  832. [ tcmalloc=yes ], [ tcmalloc=no ])
  833. if test x$tcmalloc = xyes ; then
  834. LDFLAGS="-ltcmalloc $LDFLAGS"
  835. fi
  836. # By default, we're going to assume we don't have mlockall()
  837. # bionic and other platforms have various broken mlockall subsystems.
  838. # Some systems don't have a working mlockall, some aren't linkable,
  839. # and some have it but don't declare it.
  840. AC_CHECK_FUNCS(mlockall)
  841. AC_CHECK_DECLS([mlockall], , , [
  842. #ifdef HAVE_SYS_MMAN_H
  843. #include <sys/mman.h>
  844. #endif])
  845. # Allow user to specify an alternate syslog facility
  846. AC_ARG_WITH(syslog-facility,
  847. [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
  848. syslog_facility="$withval", syslog_facility="LOG_DAEMON")
  849. AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
  850. AC_SUBST(LOGFACILITY)
  851. # Check if we have getresuid and getresgid
  852. AC_CHECK_FUNCS(getresuid getresgid)
  853. # Check for gethostbyname_r in all its glorious incompatible versions.
  854. # (This logic is based on that in Python's configure.in)
  855. AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
  856. [Define this if you have any gethostbyname_r()])
  857. AC_CHECK_FUNC(gethostbyname_r, [
  858. AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
  859. OLD_CFLAGS=$CFLAGS
  860. CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
  861. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
  862. #include <netdb.h>
  863. ], [[
  864. char *cp1, *cp2;
  865. struct hostent *h1, *h2;
  866. int i1, i2;
  867. (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
  868. ]])],[
  869. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  870. AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
  871. [Define this if gethostbyname_r takes 6 arguments])
  872. AC_MSG_RESULT(6)
  873. ], [
  874. AC_TRY_COMPILE([
  875. #include <netdb.h>
  876. ], [
  877. char *cp1, *cp2;
  878. struct hostent *h1;
  879. int i1, i2;
  880. (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
  881. ], [
  882. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  883. AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
  884. [Define this if gethostbyname_r takes 5 arguments])
  885. AC_MSG_RESULT(5)
  886. ], [
  887. AC_TRY_COMPILE([
  888. #include <netdb.h>
  889. ], [
  890. char *cp1;
  891. struct hostent *h1;
  892. struct hostent_data hd;
  893. (void) gethostbyname_r(cp1,h1,&hd);
  894. ], [
  895. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  896. AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
  897. [Define this if gethostbyname_r takes 3 arguments])
  898. AC_MSG_RESULT(3)
  899. ], [
  900. AC_MSG_RESULT(0)
  901. ])
  902. ])
  903. ])
  904. CFLAGS=$OLD_CFLAGS
  905. ])
  906. AC_CACHE_CHECK([whether the C compiler supports __func__],
  907. tor_cv_have_func_macro,
  908. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  909. #include <stdio.h>
  910. int main(int c, char **v) { puts(__func__); }])],
  911. tor_cv_have_func_macro=yes,
  912. tor_cv_have_func_macro=no))
  913. AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
  914. tor_cv_have_FUNC_macro,
  915. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  916. #include <stdio.h>
  917. int main(int c, char **v) { puts(__FUNC__); }])],
  918. tor_cv_have_FUNC_macro=yes,
  919. tor_cv_have_FUNC_macro=no))
  920. AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
  921. tor_cv_have_FUNCTION_macro,
  922. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  923. #include <stdio.h>
  924. int main(int c, char **v) { puts(__FUNCTION__); }])],
  925. tor_cv_have_FUNCTION_macro=yes,
  926. tor_cv_have_FUNCTION_macro=no))
  927. if test "$tor_cv_have_func_macro" = 'yes'; then
  928. AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
  929. fi
  930. if test "$tor_cv_have_FUNC_macro" = 'yes'; then
  931. AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
  932. fi
  933. if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
  934. AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
  935. [Defined if the compiler supports __FUNCTION__])
  936. fi
  937. # $prefix stores the value of the --prefix command line option, or
  938. # NONE if the option wasn't set. In the case that it wasn't set, make
  939. # it be the default, so that we can use it to expand directories now.
  940. if test "x$prefix" = "xNONE"; then
  941. prefix=$ac_default_prefix
  942. fi
  943. # and similarly for $exec_prefix
  944. if test "x$exec_prefix" = "xNONE"; then
  945. exec_prefix=$prefix
  946. fi
  947. if test "x$BUILDDIR" = "x"; then
  948. BUILDDIR=`pwd`
  949. fi
  950. AC_SUBST(BUILDDIR)
  951. AH_TEMPLATE([BUILDDIR],[tor's build directory])
  952. AC_DEFINE_UNQUOTED(BUILDDIR,"$BUILDDIR")
  953. if test "x$CONFDIR" = "x"; then
  954. CONFDIR=`eval echo $sysconfdir/tor`
  955. fi
  956. AC_SUBST(CONFDIR)
  957. AH_TEMPLATE([CONFDIR],[tor's configuration directory])
  958. AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
  959. BINDIR=`eval echo $bindir`
  960. AC_SUBST(BINDIR)
  961. LOCALSTATEDIR=`eval echo $localstatedir`
  962. AC_SUBST(LOCALSTATEDIR)
  963. if test "$bwin32" = true; then
  964. # Test if the linker supports the --nxcompat and --dynamicbase options
  965. # for Windows
  966. save_LDFLAGS="$LDFLAGS"
  967. LDFLAGS="-Wl,--nxcompat -Wl,--dynamicbase"
  968. AC_MSG_CHECKING([whether the linker supports DllCharacteristics])
  969. AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
  970. [AC_MSG_RESULT([yes])]
  971. [save_LDFLAGS="$save_LDFLAGS $LDFLAGS"],
  972. [AC_MSG_RESULT([no])]
  973. )
  974. LDFLAGS="$save_LDFLAGS"
  975. fi
  976. # Set CFLAGS _after_ all the above checks, since our warnings are stricter
  977. # than autoconf's macros like.
  978. if test "$GCC" = yes; then
  979. # Disable GCC's strict aliasing checks. They are an hours-to-debug
  980. # accident waiting to happen.
  981. CFLAGS="$CFLAGS -Wall -fno-strict-aliasing"
  982. else
  983. # Autoconf sets -g -O2 by default. Override optimization level
  984. # for non-gcc compilers
  985. CFLAGS="$CFLAGS -O"
  986. enable_gcc_warnings=no
  987. enable_gcc_warnings_advisory=no
  988. fi
  989. # Add some more warnings which we use in development but not in the
  990. # released versions. (Some relevant gcc versions can't handle these.)
  991. if test x$enable_gcc_warnings = xyes || test x$enable_gcc_warnings_advisory = xyes; then
  992. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  993. #if !defined(__GNUC__) || (__GNUC__ < 4)
  994. #error
  995. #endif])], have_gcc4=yes, have_gcc4=no)
  996. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  997. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
  998. #error
  999. #endif])], have_gcc42=yes, have_gcc42=no)
  1000. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  1001. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
  1002. #error
  1003. #endif])], have_gcc43=yes, have_gcc43=no)
  1004. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  1005. #if !defined(__clang__) || (__clang_major__ > 2) || (__clang_major__ == 2 && __clang_minor__ > 9)
  1006. #error
  1007. #endif])], have_clang29orlower=yes, have_clang29orlower=no)
  1008. save_CFLAGS="$CFLAGS"
  1009. CFLAGS="$CFLAGS -Wshorten-64-to-32"
  1010. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], have_shorten64_flag=yes,
  1011. have_shorten64_flag=no)
  1012. CFLAGS="$save_CFLAGS"
  1013. case $host in
  1014. *-*-openbsd*)
  1015. # Some OpenBSD versions (like 4.8) have -Wsystem-headers by default.
  1016. # That's fine, except that the headers don't pass -Wredundant-decls.
  1017. # Therefore, let's disable -Wsystem-headers when we're building
  1018. # with maximal warnings on OpenBSD.
  1019. CFLAGS="$CFLAGS -Wno-system-headers" ;;
  1020. esac
  1021. CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith"
  1022. CFLAGS="$CFLAGS -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings"
  1023. CFLAGS="$CFLAGS -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2"
  1024. CFLAGS="$CFLAGS -Wwrite-strings -Wmissing-declarations -Wredundant-decls"
  1025. CFLAGS="$CFLAGS -Wnested-externs -Wbad-function-cast -Wswitch-enum"
  1026. if test x$enable_gcc_warnings = xyes; then
  1027. CFLAGS="$CFLAGS -Werror"
  1028. fi
  1029. # Disabled, so we can use mallinfo(): -Waggregate-return
  1030. if test x$have_gcc4 = xyes ; then
  1031. # These warnings break gcc 3.3.5 and work on gcc 4.0.2
  1032. CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
  1033. fi
  1034. if test x$have_gcc42 = xyes ; then
  1035. # These warnings break gcc 4.0.2 and work on gcc 4.2
  1036. # XXXX020 See if any of these work with earlier versions.
  1037. CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wstrict-overflow=1"
  1038. # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
  1039. fi
  1040. if test x$have_gcc42 = xyes && test x$have_clang29orlower = xno; then
  1041. # These warnings break gcc 4.0.2 and clang, but work on gcc 4.2
  1042. # We only disable these for clang 2.9 and lower, in case they are
  1043. # supported in later versions.
  1044. CFLAGS="$CFLAGS -Wnormalized=id -Woverride-init"
  1045. fi
  1046. if test x$have_gcc43 = xyes ; then
  1047. # These warnings break gcc 4.2 and work on gcc 4.3
  1048. # XXXX020 See if any of these work with earlier versions.
  1049. CFLAGS="$CFLAGS -Wextra -Warray-bounds"
  1050. fi
  1051. if test x$have_shorten64_flag = xyes ; then
  1052. CFLAGS="$CFLAGS -Wshorten-64-to-32"
  1053. fi
  1054. ##This will break the world on some 64-bit architectures
  1055. # CFLAGS="$CFLAGS -Winline"
  1056. fi
  1057. CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
  1058. AC_CONFIG_FILES([
  1059. Doxyfile
  1060. Makefile
  1061. contrib/Makefile
  1062. contrib/suse/Makefile
  1063. contrib/suse/tor.sh
  1064. contrib/tor.logrotate
  1065. contrib/tor.sh
  1066. contrib/torctl
  1067. contrib/torify
  1068. doc/Makefile
  1069. src/Makefile
  1070. src/common/Makefile
  1071. src/config/Makefile
  1072. src/config/torrc.sample
  1073. src/or/Makefile
  1074. src/test/Makefile
  1075. src/tools/Makefile
  1076. src/tools/tor-fw-helper/Makefile
  1077. src/win32/Makefile
  1078. tor.spec
  1079. ])
  1080. AC_OUTPUT
  1081. if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
  1082. ./contrib/updateVersions.pl
  1083. fi