configure.ac 50 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) 2007-2013, The Tor Project, Inc.
  4. dnl See LICENSE for licensing information
  5. AC_INIT([tor],[0.2.5.4-alpha-dev])
  6. AC_CONFIG_SRCDIR([src/or/main.c])
  7. AC_CONFIG_MACRO_DIR([m4])
  8. AM_INIT_AUTOMAKE
  9. m4_ifdef([AM_SILENT_RULES], [AM_SILENT_RULES([yes])])
  10. AC_CONFIG_HEADERS([orconfig.h])
  11. AC_CANONICAL_HOST
  12. if test -f /etc/redhat-release ; then
  13. if test -f /usr/kerberos/include ; then
  14. CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
  15. fi
  16. fi
  17. # Not a no-op; we want to make sure that CPPFLAGS is set before we use
  18. # the += operator on it in src/or/Makefile.am
  19. CPPFLAGS="$CPPFLAGS -I\${top_srcdir}/src/common"
  20. #XXXX020 We should make these enabled or not, before 0.2.0.x-final
  21. AC_ARG_ENABLE(buf-freelists,
  22. AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM))
  23. AC_ARG_ENABLE(openbsd-malloc,
  24. AS_HELP_STRING(--enable-openbsd-malloc, Use malloc code from openbsd. Linux only))
  25. AC_ARG_ENABLE(instrument-downloads,
  26. AS_HELP_STRING(--enable-instrument-downloads, Instrument downloads of directory resources etc.))
  27. AC_ARG_ENABLE(static-openssl,
  28. AS_HELP_STRING(--enable-static-openssl, Link against a static openssl library. Requires --with-openssl-dir))
  29. AC_ARG_ENABLE(static-libevent,
  30. AS_HELP_STRING(--enable-static-libevent, Link against a static libevent library. Requires --with-libevent-dir))
  31. AC_ARG_ENABLE(static-zlib,
  32. AS_HELP_STRING(--enable-static-zlib, Link against a static zlib library. Requires --with-zlib-dir))
  33. AC_ARG_ENABLE(static-tor,
  34. AS_HELP_STRING(--enable-static-tor, Create an entirely static Tor binary. Requires --with-openssl-dir and --with-libevent-dir and --with-zlib-dir))
  35. AC_ARG_ENABLE(curve25519,
  36. AS_HELP_STRING(--disable-curve25519, Build Tor with no curve25519 elliptic-curve crypto support))
  37. AC_ARG_ENABLE(unittests,
  38. AS_HELP_STRING(--disable-unittests, [Don't build unit tests for Tor. Risky!]))
  39. AC_ARG_ENABLE(coverage,
  40. AS_HELP_STRING(--enable-coverage, [Enable coverage support in the unit-test build]))
  41. AM_CONDITIONAL(UNITTESTS_ENABLED, test x$enable_unittests != xno)
  42. AM_CONDITIONAL(COVERAGE_ENABLED, test x$enable_coverage = xyes)
  43. if test "$enable_static_tor" = "yes"; then
  44. enable_static_libevent="yes";
  45. enable_static_openssl="yes";
  46. enable_static_zlib="yes";
  47. CFLAGS="$CFLAGS -static"
  48. fi
  49. if test x$enable_buf_freelists != xno; then
  50. AC_DEFINE(ENABLE_BUF_FREELISTS, 1,
  51. [Defined if we try to use freelists for buffer RAM chunks])
  52. fi
  53. AM_CONDITIONAL(USE_OPENBSD_MALLOC, test x$enable_openbsd_malloc = xyes)
  54. if test x$enable_instrument_downloads = xyes; then
  55. AC_DEFINE(INSTRUMENT_DOWNLOADS, 1,
  56. [Defined if we want to keep track of how much of each kind of resource we download.])
  57. fi
  58. AC_ARG_ENABLE(transparent,
  59. AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
  60. [case "${enableval}" in
  61. yes) transparent=true ;;
  62. no) transparent=false ;;
  63. *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
  64. esac], [transparent=true])
  65. AC_ARG_ENABLE(asciidoc,
  66. AS_HELP_STRING(--disable-asciidoc, don't use asciidoc (disables building of manpages)),
  67. [case "${enableval}" in
  68. yes) asciidoc=true ;;
  69. no) asciidoc=false ;;
  70. *) AC_MSG_ERROR(bad value for --disable-asciidoc) ;;
  71. esac], [asciidoc=true])
  72. # By default, we're not ready to ship a NAT-PMP aware Tor
  73. AC_ARG_ENABLE(nat-pmp,
  74. AS_HELP_STRING(--enable-nat-pmp, enable NAT-PMP support),
  75. [case "${enableval}" in
  76. yes) natpmp=true ;;
  77. no) natpmp=false ;;
  78. * ) AC_MSG_ERROR(bad value for --enable-nat-pmp) ;;
  79. esac], [natpmp=false])
  80. # By default, we're not ready to ship a UPnP aware Tor
  81. AC_ARG_ENABLE(upnp,
  82. AS_HELP_STRING(--enable-upnp, enable UPnP support),
  83. [case "${enableval}" in
  84. yes) upnp=true ;;
  85. no) upnp=false ;;
  86. * ) AC_MSG_ERROR(bad value for --enable-upnp) ;;
  87. esac], [upnp=false])
  88. AC_ARG_ENABLE(threads,
  89. AS_HELP_STRING(--disable-threads, disable multi-threading support))
  90. if test x$enable_threads = x; then
  91. case $host in
  92. *-*-solaris* )
  93. # Don't try multithreading on solaris -- cpuworkers seem to lock.
  94. AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
  95. cpu workers lock up here, so I will disable threads.])
  96. enable_threads="no";;
  97. *)
  98. enable_threads="yes";;
  99. esac
  100. fi
  101. if test "$enable_threads" = "yes"; then
  102. AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
  103. fi
  104. case $host in
  105. *-*-solaris* )
  106. AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
  107. ;;
  108. esac
  109. AC_ARG_ENABLE(gcc-warnings,
  110. AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
  111. AC_ARG_ENABLE(gcc-warnings-advisory,
  112. AS_HELP_STRING(--enable-gcc-warnings-advisory, [enable verbose warnings, excluding -Werror]))
  113. dnl Others suggest '/gs /safeseh /nxcompat /dynamicbase' for non-gcc on Windows
  114. AC_ARG_ENABLE(gcc-hardening,
  115. AS_HELP_STRING(--disable-gcc-hardening, disable compiler security checks))
  116. AC_ARG_ENABLE(expensive-hardening,
  117. AS_HELP_STRING(--enable-expensive-hardening, enable more expensive compiler hardening; makes Tor slower))
  118. dnl Linker hardening options
  119. dnl Currently these options are ELF specific - you can't use this with MacOSX
  120. AC_ARG_ENABLE(linker-hardening,
  121. AS_HELP_STRING(--disable-linker-hardening, disable linker security fixups))
  122. AC_ARG_ENABLE(local-appdata,
  123. AS_HELP_STRING(--enable-local-appdata, default to host local application data paths on Windows))
  124. if test "$enable_local_appdata" = "yes"; then
  125. AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
  126. [Defined if we default to host local appdata paths on Windows])
  127. fi
  128. # Tor2web mode flag
  129. AC_ARG_ENABLE(tor2web-mode,
  130. AS_HELP_STRING(--enable-tor2web-mode, support tor2web non-anonymous mode),
  131. [if test x$enableval = xyes; then
  132. CFLAGS="$CFLAGS -D ENABLE_TOR2WEB_MODE=1"
  133. fi])
  134. AC_ARG_ENABLE(bufferevents,
  135. AS_HELP_STRING(--enable-bufferevents, use Libevent's buffered IO.))
  136. AC_ARG_ENABLE(tool-name-check,
  137. AS_HELP_STRING(--disable-tool-name-check, check for sanely named toolchain when cross-compiling))
  138. AC_ARG_ENABLE(seccomp,
  139. AS_HELP_STRING(--disable-seccomp, do not attempt to use libseccomp))
  140. dnl check for the correct "ar" when cross-compiling
  141. AN_MAKEVAR([AR], [AC_PROG_AR])
  142. AN_PROGRAM([ar], [AC_PROG_AR])
  143. AC_DEFUN([AC_PROG_AR], [AC_CHECK_TOOL([AR], [ar], [ar])])
  144. AC_PROG_AR
  145. dnl Check whether the above macro has settled for a simply named tool even
  146. dnl though we're cross compiling. We must do this before running AC_PROG_CC,
  147. dnl because that will find any cc on the system, not only the cross-compiler,
  148. dnl and then verify that a binary built with this compiler runs on the
  149. dnl build system. It will then come to the false conclusion that we're not
  150. dnl cross-compiling.
  151. if test x$enable_tool_name_check != xno; then
  152. if test x$ac_tool_warned = xyes; then
  153. AC_MSG_ERROR([We are cross compiling but could not find a properly named toolchain. Do you have your cross-compiling toolchain in PATH? (You can --disable-tool-name-check to ignore this.)])
  154. elif test "x$ac_ct_AR" != x -a x$cross_compiling = xmaybe; then
  155. AC_MSG_ERROR([We think we are cross compiling but could not find a properly named toolchain. Do you have your cross-compiling toolchain in PATH? (You can --disable-tool-name-check to ignore this.)])
  156. fi
  157. fi
  158. AC_PROG_CC
  159. AC_PROG_CPP
  160. AC_PROG_MAKE_SET
  161. AC_PROG_RANLIB
  162. dnl autoconf 2.59 appears not to support AC_PROG_SED
  163. AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
  164. dnl check for asciidoc and a2x
  165. AC_PATH_PROG([ASCIIDOC], [asciidoc], none)
  166. AC_PATH_PROGS([A2X], [a2x a2x.py], none)
  167. AM_CONDITIONAL(USE_ASCIIDOC, test x$asciidoc = xtrue)
  168. AM_CONDITIONAL(USE_FW_HELPER, test x$natpmp = xtrue || test x$upnp = xtrue)
  169. AM_CONDITIONAL(NAT_PMP, test x$natpmp = xtrue)
  170. AM_CONDITIONAL(MINIUPNPC, test x$upnp = xtrue)
  171. AM_PROG_CC_C_O
  172. AC_ARG_VAR(PYTHON)
  173. AC_CHECK_PROGS(PYTHON, [python python2 python2.7 python3 python3.3])
  174. if test "x$PYTHON" = "x"; then
  175. AC_MSG_WARN([Python unavailable; some tests will not be run.])
  176. fi
  177. AM_CONDITIONAL(USEPYTHON, [test "x$PYTHON" != "x"])
  178. ifdef([AC_C_FLEXIBLE_ARRAY_MEMBER], [
  179. AC_C_FLEXIBLE_ARRAY_MEMBER
  180. ], [
  181. dnl Maybe we've got an old autoconf...
  182. AC_CACHE_CHECK([for flexible array members],
  183. tor_cv_c_flexarray,
  184. [AC_COMPILE_IFELSE(
  185. AC_LANG_PROGRAM([
  186. struct abc { int a; char b[]; };
  187. ], [
  188. struct abc *def = malloc(sizeof(struct abc)+sizeof(char));
  189. def->b[0] = 33;
  190. ]),
  191. [tor_cv_c_flexarray=yes],
  192. [tor_cv_c_flexarray=no])])
  193. if test $tor_cv_flexarray = yes ; then
  194. AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [], [Define to nothing if C supports flexible array members, and to 1 if it does not.])
  195. else
  196. AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [1], [Define to nothing if C supports flexible array members, and to 1 if it does not.])
  197. fi
  198. ])
  199. AC_PATH_PROG([SHA1SUM], [sha1sum], none)
  200. AC_PATH_PROG([OPENSSL], [openssl], none)
  201. TORUSER=_tor
  202. AC_ARG_WITH(tor-user,
  203. [ --with-tor-user=NAME Specify username for tor daemon ],
  204. [
  205. TORUSER=$withval
  206. ]
  207. )
  208. AC_SUBST(TORUSER)
  209. TORGROUP=_tor
  210. AC_ARG_WITH(tor-group,
  211. [ --with-tor-group=NAME Specify group name for tor daemon ],
  212. [
  213. TORGROUP=$withval
  214. ]
  215. )
  216. AC_SUBST(TORGROUP)
  217. dnl If _WIN32 is defined and non-zero, we are building for win32
  218. AC_MSG_CHECKING([for win32])
  219. AC_RUN_IFELSE([AC_LANG_SOURCE([
  220. int main(int c, char **v) {
  221. #ifdef _WIN32
  222. #if _WIN32
  223. return 0;
  224. #else
  225. return 1;
  226. #endif
  227. #else
  228. return 2;
  229. #endif
  230. }])],
  231. bwin32=true; AC_MSG_RESULT([yes]),
  232. bwin32=false; AC_MSG_RESULT([no]),
  233. bwin32=cross; AC_MSG_RESULT([cross])
  234. )
  235. if test "$bwin32" = cross; then
  236. AC_MSG_CHECKING([for win32 (cross)])
  237. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  238. #ifdef _WIN32
  239. int main(int c, char **v) {return 0;}
  240. #else
  241. #error
  242. int main(int c, char **v) {return x(y);}
  243. #endif
  244. ])],
  245. bwin32=true; AC_MSG_RESULT([yes]),
  246. bwin32=false; AC_MSG_RESULT([no]))
  247. fi
  248. AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
  249. dnl Enable C99 when compiling with MIPSpro
  250. AC_MSG_CHECKING([for MIPSpro compiler])
  251. AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [
  252. #if (defined(__sgi) && defined(_COMPILER_VERSION))
  253. #error
  254. return x(y);
  255. #endif
  256. ])],
  257. bmipspro=false; AC_MSG_RESULT(no),
  258. bmipspro=true; AC_MSG_RESULT(yes))
  259. if test "$bmipspro" = true; then
  260. CFLAGS="$CFLAGS -c99"
  261. fi
  262. AC_C_BIGENDIAN
  263. AC_SEARCH_LIBS(socket, [socket network])
  264. AC_SEARCH_LIBS(gethostbyname, [nsl])
  265. AC_SEARCH_LIBS(dlopen, [dl])
  266. AC_SEARCH_LIBS(inet_aton, [resolv])
  267. saved_LIBS="$LIBS"
  268. AC_SEARCH_LIBS([clock_gettime], [rt])
  269. if test "$LIBS" != "$saved_LIBS"; then
  270. # Looks like we need -lrt for clock_gettime().
  271. have_rt=yes
  272. fi
  273. if test "$enable_threads" = "yes"; then
  274. AC_SEARCH_LIBS(pthread_create, [pthread])
  275. AC_SEARCH_LIBS(pthread_detach, [pthread])
  276. fi
  277. dnl -------------------------------------------------------------------
  278. dnl Check for functions before libevent, since libevent-1.2 apparently
  279. dnl exports strlcpy without defining it in a header.
  280. AC_CHECK_FUNCS(
  281. _NSGetEnviron \
  282. accept4 \
  283. backtrace \
  284. backtrace_symbols_fd \
  285. clock_gettime \
  286. flock \
  287. ftime \
  288. getaddrinfo \
  289. getifaddrs \
  290. getrlimit \
  291. gettimeofday \
  292. gmtime_r \
  293. inet_aton \
  294. ioctl \
  295. issetugid \
  296. llround \
  297. localtime_r \
  298. lround \
  299. memmem \
  300. prctl \
  301. rint \
  302. sigaction \
  303. socketpair \
  304. strlcat \
  305. strlcpy \
  306. strptime \
  307. strtok_r \
  308. strtoull \
  309. sysconf \
  310. sysctl \
  311. uname \
  312. vasprintf \
  313. _vscprintf
  314. )
  315. if test "$enable_threads" = "yes"; then
  316. AC_CHECK_HEADERS(pthread.h)
  317. AC_CHECK_FUNCS(pthread_create)
  318. fi
  319. dnl ------------------------------------------------------
  320. dnl Where do you live, libevent? And how do we call you?
  321. if test "$bwin32" = true; then
  322. TOR_LIB_WS32=-lws2_32
  323. TOR_LIB_IPHLPAPI=-liphlpapi
  324. # Some of the cargo-cults recommend -lwsock32 as well, but I don't
  325. # think it's actually necessary.
  326. TOR_LIB_GDI=-lgdi32
  327. else
  328. TOR_LIB_WS32=
  329. TOR_LIB_GDI=
  330. fi
  331. AC_SUBST(TOR_LIB_WS32)
  332. AC_SUBST(TOR_LIB_GDI)
  333. AC_SUBST(TOR_LIB_IPHLPAPI)
  334. dnl We need to do this before we try our disgusting hack below.
  335. AC_CHECK_HEADERS([sys/types.h])
  336. dnl This is a disgusting hack so we safely include older libevent headers.
  337. AC_CHECK_TYPE(u_int64_t, unsigned long long)
  338. AC_CHECK_TYPE(u_int32_t, unsigned long)
  339. AC_CHECK_TYPE(u_int16_t, unsigned short)
  340. AC_CHECK_TYPE(u_int8_t, unsigned char)
  341. tor_libevent_pkg_redhat="libevent"
  342. tor_libevent_pkg_debian="libevent-dev"
  343. tor_libevent_devpkg_redhat="libevent-devel"
  344. tor_libevent_devpkg_debian="libevent-dev"
  345. dnl On Gnu/Linux or any place we require it, we'll add librt to the Libevent
  346. dnl linking for static builds.
  347. STATIC_LIBEVENT_FLAGS=""
  348. if test "$enable_static_libevent" = "yes"; then
  349. if test "$have_rt" = yes; then
  350. STATIC_LIBEVENT_FLAGS=" -lrt "
  351. fi
  352. fi
  353. TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32], [
  354. #ifdef _WIN32
  355. #include <winsock2.h>
  356. #endif
  357. #include <stdlib.h>
  358. #include <sys/time.h>
  359. #include <sys/types.h>
  360. #include <event.h>], [
  361. #ifdef _WIN32
  362. #include <winsock2.h>
  363. #endif
  364. void exit(int); void *event_init(void);],
  365. [
  366. #ifdef _WIN32
  367. {WSADATA d; WSAStartup(0x101,&d); }
  368. #endif
  369. event_init(); exit(0);
  370. ], [--with-libevent-dir], [/opt/libevent])
  371. dnl Now check for particular libevent functions.
  372. save_LIBS="$LIBS"
  373. save_LDFLAGS="$LDFLAGS"
  374. save_CPPFLAGS="$CPPFLAGS"
  375. LIBS="-levent $STATIC_LIBEVENT_FLAGS $TOR_LIB_WS32 $LIBS"
  376. LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
  377. CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
  378. AC_CHECK_FUNCS([event_get_version \
  379. event_get_version_number \
  380. event_get_method \
  381. event_set_log_callback \
  382. evdns_set_outgoing_bind_address \
  383. evutil_secure_rng_set_urandom_device_file \
  384. evutil_secure_rng_init \
  385. event_base_loopexit])
  386. AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
  387. [#include <event.h>
  388. ])
  389. AC_CHECK_HEADERS(event2/event.h event2/dns.h event2/bufferevent_ssl.h)
  390. LIBS="$save_LIBS"
  391. LDFLAGS="$save_LDFLAGS"
  392. CPPFLAGS="$save_CPPFLAGS"
  393. AM_CONDITIONAL(USE_EXTERNAL_EVDNS, test x$ac_cv_header_event2_dns_h = xyes)
  394. if test "$enable_static_libevent" = "yes"; then
  395. if test "$tor_cv_library_libevent_dir" = "(system)"; then
  396. AC_MSG_ERROR("You must specify an explicit --with-libevent-dir=x option when using --enable-static-libevent")
  397. else
  398. TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent.a $STATIC_LIBEVENT_FLAGS"
  399. fi
  400. else
  401. TOR_LIBEVENT_LIBS="-levent"
  402. fi
  403. dnl This isn't the best test for Libevent 2.0.3-alpha. Once it's released,
  404. dnl we can do much better.
  405. if test "$enable_bufferevents" = "yes" ; then
  406. if test "$ac_cv_header_event2_bufferevent_ssl_h" != "yes" ; then
  407. AC_MSG_ERROR([You've asked for bufferevent support, but you're using a version of Libevent without SSL support. This won't work. We need Libevent 2.0.8-rc or later, and you don't seem to even have Libevent 2.0.3-alpha.])
  408. else
  409. CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent"
  410. # Check for the right version. First see if version detection works.
  411. AC_MSG_CHECKING([whether we can detect the Libevent version])
  412. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  413. #include <event2/event.h>
  414. #if !defined(LIBEVENT_VERSION_NUMBER) || LIBEVENT_VERSION_NUMBER < 10
  415. #error
  416. int x = y(zz);
  417. #else
  418. int x = 1;
  419. #endif
  420. ])], [event_version_number_works=yes; AC_MSG_RESULT([yes]) ],
  421. [event_version_number_works=no; AC_MSG_RESULT([no])])
  422. if test "$event_version_number_works" != 'yes'; then
  423. AC_MSG_WARN([Version detection on Libevent seems broken. Your Libevent installation is probably screwed up or very old.])
  424. else
  425. AC_MSG_CHECKING([whether Libevent is new enough for bufferevents])
  426. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  427. #include <event2/event.h>
  428. #if !defined(LIBEVENT_VERSION_NUMBER) || LIBEVENT_VERSION_NUMBER < 0x02000d00
  429. #error
  430. int x = y(zz);
  431. #else
  432. int x = 1;
  433. #endif
  434. ])], [ AC_MSG_RESULT([yes]) ],
  435. [ AC_MSG_RESULT([no])
  436. AC_MSG_ERROR([Libevent does not seem new enough to support bufferevents. We require 2.0.13-stable or later]) ] )
  437. fi
  438. fi
  439. fi
  440. LIBS="$save_LIBS"
  441. LDFLAGS="$save_LDFLAGS"
  442. CPPFLAGS="$save_CPPFLAGS"
  443. AM_CONDITIONAL(USE_BUFFEREVENTS, test "$enable_bufferevents" = "yes")
  444. if test "$enable_bufferevents" = "yes"; then
  445. AC_DEFINE(USE_BUFFEREVENTS, 1, [Defined if we're going to use Libevent's buffered IO API])
  446. if test "$enable_static_libevent" = "yes"; then
  447. TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent_openssl.a $TOR_LIBEVENT_LIBS"
  448. else
  449. TOR_LIBEVENT_LIBS="-levent_openssl $TOR_LIBEVENT_LIBS"
  450. fi
  451. fi
  452. AC_SUBST(TOR_LIBEVENT_LIBS)
  453. dnl ------------------------------------------------------
  454. dnl Where do you live, libm?
  455. dnl On some platforms (Haiku/BeOS) the math library is
  456. dnl part of libroot. In which case don't link against lm
  457. TOR_LIB_MATH=""
  458. save_LIBS="$LIBS"
  459. AC_SEARCH_LIBS(pow, [m], , AC_MSG_ERROR([Could not find pow in libm or libc.]))
  460. if test "$ac_cv_search_pow" != "none required"; then
  461. TOR_LIB_MATH="$ac_cv_search_pow"
  462. fi
  463. LIBS="$save_LIBS"
  464. AC_SUBST(TOR_LIB_MATH)
  465. dnl ------------------------------------------------------
  466. dnl Where do you live, openssl? And how do we call you?
  467. tor_openssl_pkg_redhat="openssl"
  468. tor_openssl_pkg_debian="libssl-dev"
  469. tor_openssl_devpkg_redhat="openssl-devel"
  470. tor_openssl_devpkg_debian="libssl-dev"
  471. ALT_openssl_WITHVAL=""
  472. AC_ARG_WITH(ssl-dir,
  473. [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
  474. [
  475. if test "x$withval" != xno && test "x$withval" != "x" ; then
  476. ALT_openssl_WITHVAL="$withval"
  477. fi
  478. ])
  479. TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
  480. [#include <openssl/rand.h>],
  481. [void RAND_add(const void *buf, int num, double entropy);],
  482. [RAND_add((void*)0,0,0); exit(0);], [],
  483. [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
  484. dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
  485. if test "$enable_static_openssl" = "yes"; then
  486. if test "$tor_cv_library_openssl_dir" = "(system)"; then
  487. AC_MSG_ERROR("You must specify an explicit --with-openssl-dir=x option when using --enable-static-openssl")
  488. else
  489. TOR_OPENSSL_LIBS="$TOR_LIBDIR_openssl/libssl.a $TOR_LIBDIR_openssl/libcrypto.a"
  490. fi
  491. else
  492. TOR_OPENSSL_LIBS="-lssl -lcrypto"
  493. fi
  494. AC_SUBST(TOR_OPENSSL_LIBS)
  495. dnl ------------------------------------------------------
  496. dnl Where do you live, zlib? And how do we call you?
  497. tor_zlib_pkg_redhat="zlib"
  498. tor_zlib_pkg_debian="zlib1g"
  499. tor_zlib_devpkg_redhat="zlib-devel"
  500. tor_zlib_devpkg_debian="zlib1g-dev"
  501. TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
  502. [#include <zlib.h>],
  503. [const char * zlibVersion(void);],
  504. [zlibVersion(); exit(0);], [--with-zlib-dir],
  505. [/opt/zlib])
  506. if test "$enable_static_zlib" = "yes"; then
  507. if test "$tor_cv_library_zlib_dir" = "(system)"; then
  508. AC_MSG_ERROR("You must specify an explicit --with-zlib-dir=x option when
  509. using --enable-static-zlib")
  510. else
  511. TOR_ZLIB_LIBS="$TOR_LIBDIR_zlib/libz.a"
  512. fi
  513. else
  514. TOR_ZLIB_LIBS="-lz"
  515. fi
  516. AC_SUBST(TOR_ZLIB_LIBS)
  517. dnl ---------------------------------------------------------------------
  518. dnl Now that we know about our major libraries, we can check for compiler
  519. dnl and linker hardening options. We need to do this with the libraries known,
  520. dnl since sometimes the linker will like an option but not be willing to
  521. dnl use it with a build of a library.
  522. all_ldflags_for_check="$TOR_LDFLAGS_zlib $TOR_LDFLAGS_openssl $TOR_LDFLAGS_libevent"
  523. all_libs_for_check="$TOR_ZLIB_LIBS $TOR_LIB_MATH $TOR_LIBEVENT_LIBS $TOR_OPENSSL_LIBS $TOR_LIB_WS32 $TOR_LIB_GDI"
  524. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  525. #if !defined(__clang__)
  526. #error
  527. #endif])], have_clang=yes, have_clang=no)
  528. if test x$enable_gcc_hardening != xno; then
  529. CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2"
  530. if test x$have_clang = xyes; then
  531. TOR_CHECK_CFLAGS(-Qunused-arguments)
  532. fi
  533. TOR_CHECK_CFLAGS(-fstack-protector-all, also_link)
  534. AS_VAR_PUSHDEF([can_compile], [tor_cv_cflags_-fstack-protector-all])
  535. AS_VAR_PUSHDEF([can_link], [tor_can_link_-fstack-protector-all])
  536. AS_VAR_IF(can_compile, [yes],
  537. AS_VAR_IF(can_link, [yes],
  538. [],
  539. AC_MSG_ERROR([We tried to build with stack protection; it looks like your compiler supports it but your libc does not provide it. Are you missing libssp? (You can --disable-gcc-hardening to ignore this error.)]))
  540. )
  541. AS_VAR_POPDEF([can_link])
  542. AS_VAR_POPDEF([can_compile])
  543. TOR_CHECK_CFLAGS(-Wstack-protector)
  544. TOR_CHECK_CFLAGS(-fwrapv)
  545. TOR_CHECK_CFLAGS(--param ssp-buffer-size=1)
  546. if test "$bwin32" = "false"; then
  547. TOR_CHECK_CFLAGS(-fPIE)
  548. TOR_CHECK_LDFLAGS(-pie, "$all_ldflags_for_check", "$all_libs_for_check")
  549. fi
  550. fi
  551. if test x$enable_expensive_hardening = xyes ; then
  552. TOR_CHECK_CFLAGS([-fsanitize=address])
  553. TOR_CHECK_CFLAGS([-fsanitize=undefined])
  554. TOR_CHECK_CFLAGS([-fno-omit-frame-pointer])
  555. fi
  556. if test x$enable_linker_hardening != xno; then
  557. TOR_CHECK_LDFLAGS(-z relro -z now, "$all_ldflags_for_check", "$all_libs_for_check")
  558. fi
  559. # For backtrace support
  560. TOR_CHECK_LDFLAGS(-rdynamic)
  561. dnl ------------------------------------------------------
  562. dnl Now see if we have a -fomit-frame-pointer compiler option.
  563. saved_CFLAGS="$CFLAGS"
  564. TOR_CHECK_CFLAGS(-fomit-frame-pointer)
  565. F_OMIT_FRAME_POINTER=''
  566. if test "$saved_CFLAGS" != "$CFLAGS"; then
  567. if test x$enable_expensive_hardening != xyes ; then
  568. F_OMIT_FRAME_POINTER='-fomit-frame-pointer'
  569. fi
  570. fi
  571. CFLAGS="$saved_CFLAGS"
  572. AC_SUBST(F_OMIT_FRAME_POINTER)
  573. dnl ------------------------------------------------------
  574. dnl If we are adding -fomit-frame-pointer (or if the compiler's doing it
  575. dnl for us, as GCC 4.6 and later do at many optimization levels), then
  576. dnl we should try to add -fasynchronous-unwind-tables so that our backtrace
  577. dnl code will work.
  578. TOR_CHECK_CFLAGS(-fasynchronous-unwind-tables)
  579. dnl ------------------------------------------------------
  580. dnl Where do you live, libnatpmp? And how do we call you?
  581. dnl There are no packages for Debian or Redhat as of this patch
  582. if test "$natpmp" = "true"; then
  583. AC_DEFINE(NAT_PMP, 1, [Define to 1 if we are building with nat-pmp.])
  584. TOR_SEARCH_LIBRARY(libnatpmp, $trylibnatpmpdir, [-lnatpmp $TOR_LIB_WS32 $TOR_LIB_IPHLPAPI],
  585. [#include <natpmp.h>],
  586. [#ifdef _WIN32
  587. #define STATICLIB
  588. #endif
  589. #include <natpmp.h>],
  590. [ int r;
  591. natpmp_t natpmp;
  592. natpmpresp_t response;
  593. r = initnatpmp(&natpmp, 0, 0);],
  594. [printf("initnatpmp() returned %d (%s)\n", r, r?"FAILED":"SUCCESS");
  595. exit(0);],
  596. [--with-libnatpmp-dir],
  597. [/usr/lib/])
  598. fi
  599. dnl ------------------------------------------------------
  600. dnl Where do you live, libminiupnpc? And how do we call you?
  601. dnl There are no packages for Debian or Redhat as of this patch
  602. if test "$upnp" = "true"; then
  603. AC_DEFINE(MINIUPNPC, 1, [Define to 1 if we are building with UPnP.])
  604. dnl Before we call TOR_SEARCH_LIBRARY we'll do a quick compile test
  605. dnl to see if we have miniupnpc-1.5 or -1.6
  606. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([#include <miniupnpc/miniupnpc.h>],
  607. [upnpDiscover(1, 0, 0, 0);exit(0);])],[miniupnpc15="true"],[miniupnpc15="false"])
  608. if test "$miniupnpc15" = "true" ; then
  609. AC_DEFINE([MINIUPNPC15],[1],[libminiupnpc version 1.5 found])
  610. TOR_SEARCH_LIBRARY(libminiupnpc, $trylibminiupnpcdir, [-lminiupnpc $TOR_LIB_WS32 $TOR_LIB_IPHLPAPI],
  611. [#include <miniupnpc/miniwget.h>
  612. #include <miniupnpc/miniupnpc.h>
  613. #include <miniupnpc/upnpcommands.h>],
  614. [void upnpDiscover(int delay, const char * multicastif,
  615. const char * minissdpdsock, int sameport);],
  616. [upnpDiscover(1, 0, 0, 0); exit(0);],
  617. [--with-libminiupnpc-dir],
  618. [/usr/lib/])
  619. else
  620. TOR_SEARCH_LIBRARY(libminiupnpc, $trylibminiupnpcdir, [-lminiupnpc $TOR_LIB_WS32 $TOR_LIB_IPHLPAPI],
  621. [#include <miniupnpc/miniwget.h>
  622. #include <miniupnpc/miniupnpc.h>
  623. #include <miniupnpc/upnpcommands.h>],
  624. [void upnpDiscover(int delay, const char * multicastif,
  625. const char * minissdpdsock, int sameport, int ipv6, int * error);],
  626. [upnpDiscover(1, 0, 0, 0, 0, 0); exit(0);],
  627. [--with-libminiupnpc-dir],
  628. [/usr/lib/])
  629. fi
  630. fi
  631. dnl ============================================================
  632. dnl Check for libseccomp
  633. if test "x$enable_seccomp" != "xno"; then
  634. AC_CHECK_HEADERS([seccomp.h])
  635. AC_SEARCH_LIBS(seccomp_init, [seccomp])
  636. fi
  637. dnl ============================================================
  638. dnl We need an implementation of curve25519.
  639. dnl set these defaults.
  640. have_a_curve25519=no
  641. build_curve25519_donna=no
  642. build_curve25519_donna_c64=no
  643. use_curve25519_donna=no
  644. use_curve25519_nacl=no
  645. CURVE25519_LIBS=
  646. if test x$enable_curve25519 != xno; then
  647. dnl The best choice is using curve25519-donna-c64, but that requires
  648. dnl that we
  649. AC_CACHE_CHECK([whether we can use curve25519-donna-c64],
  650. tor_cv_can_use_curve25519_donna_c64,
  651. [AC_RUN_IFELSE(
  652. [AC_LANG_PROGRAM([dnl
  653. #include <stdint.h>
  654. typedef unsigned uint128_t __attribute__((mode(TI)));
  655. int func(uint64_t a, uint64_t b) {
  656. uint128_t c = ((uint128_t)a) * b;
  657. int ok = ((uint64_t)(c>>96)) == 522859 &&
  658. (((uint64_t)(c>>64))&0xffffffffL) == 3604448702L &&
  659. (((uint64_t)(c>>32))&0xffffffffL) == 2351960064L &&
  660. (((uint64_t)(c))&0xffffffffL) == 0;
  661. return ok;
  662. }
  663. ], [dnl
  664. int ok = func( ((uint64_t)2000000000) * 1000000000,
  665. ((uint64_t)1234567890) << 24);
  666. return !ok;
  667. ])],
  668. [tor_cv_can_use_curve25519_donna_c64=yes],
  669. [tor_cv_can_use_curve25519_donna_c64=no],
  670. [AC_COMPILE_IFELSE(
  671. [AC_LANG_PROGRAM([dnl
  672. #include <stdint.h>
  673. typedef unsigned uint128_t __attribute__((mode(TI)));
  674. int func(uint64_t a, uint64_t b) {
  675. uint128_t c = ((uint128_t)a) * b;
  676. int ok = ((uint64_t)(c>>96)) == 522859 &&
  677. (((uint64_t)(c>>64))&0xffffffffL) == 3604448702L &&
  678. (((uint64_t)(c>>32))&0xffffffffL) == 2351960064L &&
  679. (((uint64_t)(c))&0xffffffffL) == 0;
  680. return ok;
  681. }
  682. ], [dnl
  683. int ok = func( ((uint64_t)2000000000) * 1000000000,
  684. ((uint64_t)1234567890) << 24);
  685. return !ok;
  686. ])],
  687. [tor_cv_can_use_curve25519_donna_c64=cross],
  688. [tor_cv_can_use_curve25519_donna_c64=no])])])
  689. AC_CHECK_HEADERS([crypto_scalarmult_curve25519.h \
  690. nacl/crypto_scalarmult_curve25519.h])
  691. AC_CACHE_CHECK([for nacl compiled with a fast curve25519 implementation],
  692. tor_cv_can_use_curve25519_nacl,
  693. [tor_saved_LIBS="$LIBS"
  694. LIBS="$LIBS -lnacl"
  695. AC_LINK_IFELSE(
  696. [AC_LANG_PROGRAM([dnl
  697. #ifdef HAVE_CRYPTO_SCALARMULT_CURVE25519_H
  698. #include <crypto_scalarmult_curve25519.h>
  699. #elif defined(HAVE_NACL_CRYPTO_SCALARMULT_CURVE25519_H)
  700. #include <nacl/crypto_scalarmult_curve25519.h>
  701. #endif
  702. #ifdef crypto_scalarmult_curve25519_ref_BYTES
  703. #error Hey, this is the reference implementation! That's not fast.
  704. #endif
  705. ], [
  706. unsigned char *a, *b, *c; crypto_scalarmult_curve25519(a,b,c);
  707. ])], [tor_cv_can_use_curve25519_nacl=yes],
  708. [tor_cv_can_use_curve25519_nacl=no])
  709. LIBS="$tor_saved_LIBS" ])
  710. dnl Okay, now we need to figure out which one to actually use. Fall back
  711. dnl to curve25519-donna.c
  712. if test x$tor_cv_can_use_curve25519_donna_c64 != xno; then
  713. build_curve25519_donna_c64=yes
  714. use_curve25519_donna=yes
  715. elif test x$tor_cv_can_use_curve25519_nacl = xyes; then
  716. use_curve25519_nacl=yes
  717. CURVE25519_LIBS=-lnacl
  718. else
  719. build_curve25519_donna=yes
  720. use_curve25519_donna=yes
  721. fi
  722. have_a_curve25519=yes
  723. fi
  724. if test x$have_a_curve25519 = xyes; then
  725. AC_DEFINE(CURVE25519_ENABLED, 1,
  726. [Defined if we have a curve25519 implementation])
  727. fi
  728. if test x$use_curve25519_donna = xyes; then
  729. AC_DEFINE(USE_CURVE25519_DONNA, 1,
  730. [Defined if we should use an internal curve25519_donna{,_c64} implementation])
  731. fi
  732. if test x$use_curve25519_nacl = xyes; then
  733. AC_DEFINE(USE_CURVE25519_NACL, 1,
  734. [Defined if we should use a curve25519 from nacl])
  735. fi
  736. AM_CONDITIONAL(BUILD_CURVE25519_DONNA, test x$build_curve25519_donna = xyes)
  737. AM_CONDITIONAL(BUILD_CURVE25519_DONNA_C64, test x$build_curve25519_donna_c64 = xyes)
  738. AM_CONDITIONAL(CURVE25519_ENABLED, test x$have_a_curve25519 = xyes)
  739. AC_SUBST(CURVE25519_LIBS)
  740. dnl Make sure to enable support for large off_t if available.
  741. AC_SYS_LARGEFILE
  742. AC_CHECK_HEADERS(
  743. assert.h \
  744. errno.h \
  745. fcntl.h \
  746. signal.h \
  747. string.h \
  748. sys/fcntl.h \
  749. sys/stat.h \
  750. sys/time.h \
  751. sys/types.h \
  752. time.h \
  753. unistd.h
  754. , , 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.))
  755. dnl These headers are not essential
  756. AC_CHECK_HEADERS(
  757. arpa/inet.h \
  758. crt_externs.h \
  759. execinfo.h \
  760. grp.h \
  761. ifaddrs.h \
  762. inttypes.h \
  763. limits.h \
  764. linux/types.h \
  765. machine/limits.h \
  766. malloc.h \
  767. malloc/malloc.h \
  768. malloc_np.h \
  769. netdb.h \
  770. netinet/in.h \
  771. netinet/in6.h \
  772. pwd.h \
  773. stdint.h \
  774. sys/file.h \
  775. sys/ioctl.h \
  776. sys/limits.h \
  777. sys/mman.h \
  778. sys/param.h \
  779. sys/prctl.h \
  780. sys/resource.h \
  781. sys/socket.h \
  782. sys/sysctl.h \
  783. sys/syslimits.h \
  784. sys/time.h \
  785. sys/types.h \
  786. sys/un.h \
  787. sys/utime.h \
  788. sys/wait.h \
  789. syslog.h \
  790. utime.h
  791. )
  792. AC_CHECK_HEADERS(sys/param.h)
  793. AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
  794. [#ifdef HAVE_SYS_TYPES_H
  795. #include <sys/types.h>
  796. #endif
  797. #ifdef HAVE_SYS_SOCKET_H
  798. #include <sys/socket.h>
  799. #endif])
  800. AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
  801. [#ifdef HAVE_SYS_TYPES_H
  802. #include <sys/types.h>
  803. #endif
  804. #ifdef HAVE_SYS_SOCKET_H
  805. #include <sys/socket.h>
  806. #endif
  807. #ifdef HAVE_NET_IF_H
  808. #include <net/if.h>
  809. #endif])
  810. AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
  811. linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
  812. [#ifdef HAVE_SYS_TYPES_H
  813. #include <sys/types.h>
  814. #endif
  815. #ifdef HAVE_SYS_SOCKET_H
  816. #include <sys/socket.h>
  817. #endif
  818. #ifdef HAVE_LIMITS_H
  819. #include <limits.h>
  820. #endif
  821. #ifdef HAVE_LINUX_TYPES_H
  822. #include <linux/types.h>
  823. #endif
  824. #ifdef HAVE_NETINET_IN6_H
  825. #include <netinet/in6.h>
  826. #endif
  827. #ifdef HAVE_NETINET_IN_H
  828. #include <netinet/in.h>
  829. #endif])
  830. if test x$transparent = xtrue ; then
  831. transparent_ok=0
  832. if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
  833. transparent_ok=1
  834. fi
  835. if test x$linux_netfilter_ipv4 = x1 ; then
  836. transparent_ok=1
  837. fi
  838. if test x$transparent_ok = x1 ; then
  839. AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
  840. case $host in
  841. *-*-openbsd* | *-*-bitrig*)
  842. AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
  843. esac
  844. else
  845. AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
  846. fi
  847. fi
  848. AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
  849. [#ifdef HAVE_SYS_TYPES_H
  850. #include <sys/types.h>
  851. #endif
  852. #ifdef HAVE_SYS_TIME_H
  853. #include <sys/time.h>
  854. #endif])
  855. dnl In case we aren't given a working stdint.h, we'll need to grow our own.
  856. dnl Watch out.
  857. AC_CHECK_SIZEOF(int8_t)
  858. AC_CHECK_SIZEOF(int16_t)
  859. AC_CHECK_SIZEOF(int32_t)
  860. AC_CHECK_SIZEOF(int64_t)
  861. AC_CHECK_SIZEOF(uint8_t)
  862. AC_CHECK_SIZEOF(uint16_t)
  863. AC_CHECK_SIZEOF(uint32_t)
  864. AC_CHECK_SIZEOF(uint64_t)
  865. AC_CHECK_SIZEOF(intptr_t)
  866. AC_CHECK_SIZEOF(uintptr_t)
  867. dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
  868. AC_CHECK_SIZEOF(char)
  869. AC_CHECK_SIZEOF(short)
  870. AC_CHECK_SIZEOF(int)
  871. AC_CHECK_SIZEOF(long)
  872. AC_CHECK_SIZEOF(long long)
  873. AC_CHECK_SIZEOF(__int64)
  874. AC_CHECK_SIZEOF(void *)
  875. AC_CHECK_SIZEOF(time_t)
  876. AC_CHECK_SIZEOF(size_t)
  877. AC_CHECK_SIZEOF(pid_t)
  878. AC_CHECK_TYPES([uint, u_char, ssize_t])
  879. AC_PC_FROM_UCONTEXT([/bin/true])
  880. dnl used to include sockaddr_storage, but everybody has that.
  881. AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
  882. [#ifdef HAVE_SYS_TYPES_H
  883. #include <sys/types.h>
  884. #endif
  885. #ifdef HAVE_NETINET_IN_H
  886. #include <netinet/in.h>
  887. #endif
  888. #ifdef HAVE_NETINET_IN6_H
  889. #include <netinet/in6.h>
  890. #endif
  891. #ifdef HAVE_SYS_SOCKET_H
  892. #include <sys/socket.h>
  893. #endif
  894. #ifdef _WIN32
  895. #define _WIN32_WINNT 0x0501
  896. #define WIN32_LEAN_AND_MEAN
  897. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  898. #include <winsock.h>
  899. #else
  900. #include <winsock2.h>
  901. #include <ws2tcpip.h>
  902. #endif
  903. #endif
  904. ])
  905. AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
  906. [#ifdef HAVE_SYS_TYPES_H
  907. #include <sys/types.h>
  908. #endif
  909. #ifdef HAVE_NETINET_IN_H
  910. #include <netinet/in.h>
  911. #endif
  912. #ifdef HAVE_NETINET_IN6_H
  913. #include <netinet/in6.h>
  914. #endif
  915. #ifdef HAVE_SYS_SOCKET_H
  916. #include <sys/socket.h>
  917. #endif
  918. #ifdef _WIN32
  919. #define _WIN32_WINNT 0x0501
  920. #define WIN32_LEAN_AND_MEAN
  921. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  922. #include <winsock.h>
  923. #else
  924. #include <winsock2.h>
  925. #include <ws2tcpip.h>
  926. #endif
  927. #endif
  928. ])
  929. AC_CHECK_TYPES([rlim_t], , ,
  930. [#ifdef HAVE_SYS_TYPES_H
  931. #include <sys/types.h>
  932. #endif
  933. #ifdef HAVE_SYS_TIME_H
  934. #include <sys/time.h>
  935. #endif
  936. #ifdef HAVE_SYS_RESOURCE_H
  937. #include <sys/resource.h>
  938. #endif
  939. ])
  940. AX_CHECK_SIGN([time_t],
  941. [ AC_DEFINE(TIME_T_IS_SIGNED, 1, [Define if time_t is signed]) ],
  942. [ : ], [
  943. #ifdef HAVE_SYS_TYPES_H
  944. #include <sys/types.h>
  945. #endif
  946. #ifdef HAVE_SYS_TIME_H
  947. #include <sys/time.h>
  948. #endif
  949. #ifdef HAVE_TIME_H
  950. #include <time.h>
  951. #endif
  952. ])
  953. if test "$ax_cv_decl_time_t_signed" = no; then
  954. AC_MSG_WARN([You have an unsigned time_t; some things will probably break. Please tell the Tor developers about your interesting platform.])
  955. fi
  956. AX_CHECK_SIGN([size_t],
  957. [ tor_cv_size_t_signed=yes ],
  958. [ tor_cv_size_t_signed=no ], [
  959. #ifdef HAVE_SYS_TYPES_H
  960. #include <sys/types.h>
  961. #endif
  962. ])
  963. if test "$ax_cv_decl_size_t_signed" = yes; then
  964. AC_MSG_ERROR([You have a signed size_t; that's grossly nonconformant.])
  965. fi
  966. AX_CHECK_SIGN([enum always],
  967. [ AC_DEFINE(ENUM_VALS_ARE_SIGNED, 1, [Define if enum is always signed]) ],
  968. [ : ], [
  969. enum always { AAA, BBB, CCC };
  970. ])
  971. AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
  972. #ifdef HAVE_SYS_SOCKET_H
  973. #include <sys/socket.h>
  974. #endif
  975. ])
  976. # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
  977. AC_CHECK_SIZEOF(cell_t)
  978. # Now make sure that NULL can be represented as zero bytes.
  979. AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
  980. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  981. [[#include <stdlib.h>
  982. #include <string.h>
  983. #include <stdio.h>
  984. #ifdef HAVE_STDDEF_H
  985. #include <stddef.h>
  986. #endif
  987. int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
  988. return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
  989. [tor_cv_null_is_zero=yes],
  990. [tor_cv_null_is_zero=no],
  991. [tor_cv_null_is_zero=cross])])
  992. if test "$tor_cv_null_is_zero" = cross ; then
  993. # Cross-compiling; let's hope that the target isn't raving mad.
  994. AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
  995. fi
  996. if test "$tor_cv_null_is_zero" != no; then
  997. AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
  998. [Define to 1 iff memset(0) sets pointers to NULL])
  999. fi
  1000. AC_CACHE_CHECK([whether memset(0) sets doubles to 0.0], tor_cv_dbl0_is_zero,
  1001. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  1002. [[#include <stdlib.h>
  1003. #include <string.h>
  1004. #include <stdio.h>
  1005. #ifdef HAVE_STDDEF_H
  1006. #include <stddef.h>
  1007. #endif
  1008. int main () { double d1,d2; d1=0; memset(&d2,0,sizeof(d2));
  1009. return memcmp(&d1,&d2,sizeof(d1))?1:0; }]])],
  1010. [tor_cv_dbl0_is_zero=yes],
  1011. [tor_cv_dbl0_is_zero=no],
  1012. [tor_cv_dbl0_is_zero=cross])])
  1013. if test "$tor_cv_dbl0_is_zero" = cross ; then
  1014. # Cross-compiling; let's hope that the target isn't raving mad.
  1015. AC_MSG_NOTICE([Cross-compiling: we'll assume that 0.0 can be represented as a sequence of 0-valued bytes.])
  1016. fi
  1017. if test "$tor_cv_dbl0_is_zero" != no; then
  1018. AC_DEFINE([DOUBLE_0_REP_IS_ZERO_BYTES], 1,
  1019. [Define to 1 iff memset(0) sets doubles to 0.0])
  1020. fi
  1021. # And what happens when we malloc zero?
  1022. AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
  1023. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  1024. [[#include <stdlib.h>
  1025. #include <string.h>
  1026. #include <stdio.h>
  1027. #ifdef HAVE_STDDEF_H
  1028. #include <stddef.h>
  1029. #endif
  1030. int main () { return malloc(0)?0:1; }]])],
  1031. [tor_cv_malloc_zero_works=yes],
  1032. [tor_cv_malloc_zero_works=no],
  1033. [tor_cv_malloc_zero_works=cross])])
  1034. if test "$tor_cv_malloc_zero_works" = cross; then
  1035. # Cross-compiling; let's hope that the target isn't raving mad.
  1036. AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
  1037. fi
  1038. if test "$tor_cv_malloc_zero_works" = yes; then
  1039. AC_DEFINE([MALLOC_ZERO_WORKS], 1,
  1040. [Define to 1 iff malloc(0) returns a pointer])
  1041. fi
  1042. # whether we seem to be in a 2s-complement world.
  1043. AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
  1044. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  1045. [[int main () { int problem = ((-99) != (~99)+1);
  1046. return problem ? 1 : 0; }]])],
  1047. [tor_cv_twos_complement=yes],
  1048. [tor_cv_twos_complement=no],
  1049. [tor_cv_twos_complement=cross])])
  1050. if test "$tor_cv_twos_complement" = cross ; then
  1051. # Cross-compiling; let's hope that the target isn't raving mad.
  1052. AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
  1053. fi
  1054. if test "$tor_cv_twos_complement" != no ; then
  1055. AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
  1056. [Define to 1 iff we represent negative integers with two's complement])
  1057. fi
  1058. # What does shifting a negative value do?
  1059. AC_CACHE_CHECK([whether right-shift on negative values does sign-extension], tor_cv_sign_extend,
  1060. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  1061. [[int main () { int okay = (-60 >> 8) == -1; return okay ? 0 : 1; }]])],
  1062. [tor_cv_sign_extend=yes],
  1063. [tor_cv_sign_extend=no],
  1064. [tor_cv_sign_extend=cross])])
  1065. if test "$tor_cv_sign_extend" = cross ; then
  1066. # Cross-compiling; let's hope that the target isn't raving mad.
  1067. AC_MSG_NOTICE([Cross-compiling: we'll assume that right-shifting negative integers causes sign-extension])
  1068. fi
  1069. if test "$tor_cv_sign_extend" != no ; then
  1070. AC_DEFINE([RSHIFT_DOES_SIGN_EXTEND], 1,
  1071. [Define to 1 iff right-shifting a negative value performs sign-extension])
  1072. fi
  1073. # Whether we should use the dmalloc memory allocation debugging library.
  1074. AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
  1075. AC_ARG_WITH(dmalloc,
  1076. [ --with-dmalloc Use debug memory allocation library. ],
  1077. [if [[ "$withval" = "yes" ]]; then
  1078. dmalloc=1
  1079. AC_MSG_RESULT(yes)
  1080. else
  1081. dmalloc=1
  1082. AC_MSG_RESULT(no)
  1083. fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
  1084. )
  1085. if [[ $dmalloc -eq 1 ]]; then
  1086. AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
  1087. AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
  1088. AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
  1089. AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
  1090. AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
  1091. fi
  1092. AC_ARG_WITH(tcmalloc,
  1093. [ --with-tcmalloc Use tcmalloc memory allocation library. ],
  1094. [ tcmalloc=yes ], [ tcmalloc=no ])
  1095. if test x$tcmalloc = xyes ; then
  1096. LDFLAGS="-ltcmalloc $LDFLAGS"
  1097. fi
  1098. using_custom_malloc=no
  1099. if test x$enable_openbsd_malloc = xyes ; then
  1100. using_custom_malloc=yes
  1101. fi
  1102. if test x$tcmalloc = xyes ; then
  1103. using_custom_malloc=yes
  1104. fi
  1105. if test $using_custom_malloc = no ; then
  1106. AC_CHECK_FUNCS(mallinfo)
  1107. fi
  1108. # By default, we're going to assume we don't have mlockall()
  1109. # bionic and other platforms have various broken mlockall subsystems.
  1110. # Some systems don't have a working mlockall, some aren't linkable,
  1111. # and some have it but don't declare it.
  1112. AC_CHECK_FUNCS(mlockall)
  1113. AC_CHECK_DECLS([mlockall], , , [
  1114. #ifdef HAVE_SYS_MMAN_H
  1115. #include <sys/mman.h>
  1116. #endif])
  1117. # Allow user to specify an alternate syslog facility
  1118. AC_ARG_WITH(syslog-facility,
  1119. [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
  1120. syslog_facility="$withval", syslog_facility="LOG_DAEMON")
  1121. AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
  1122. AC_SUBST(LOGFACILITY)
  1123. # Check if we have getresuid and getresgid
  1124. AC_CHECK_FUNCS(getresuid getresgid)
  1125. # Check for gethostbyname_r in all its glorious incompatible versions.
  1126. # (This logic is based on that in Python's configure.in)
  1127. AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
  1128. [Define this if you have any gethostbyname_r()])
  1129. AC_CHECK_FUNC(gethostbyname_r, [
  1130. AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
  1131. OLD_CFLAGS=$CFLAGS
  1132. CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
  1133. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
  1134. #include <netdb.h>
  1135. ], [[
  1136. char *cp1, *cp2;
  1137. struct hostent *h1, *h2;
  1138. int i1, i2;
  1139. (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
  1140. ]])],[
  1141. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  1142. AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
  1143. [Define this if gethostbyname_r takes 6 arguments])
  1144. AC_MSG_RESULT(6)
  1145. ], [
  1146. AC_TRY_COMPILE([
  1147. #include <netdb.h>
  1148. ], [
  1149. char *cp1, *cp2;
  1150. struct hostent *h1;
  1151. int i1, i2;
  1152. (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
  1153. ], [
  1154. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  1155. AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
  1156. [Define this if gethostbyname_r takes 5 arguments])
  1157. AC_MSG_RESULT(5)
  1158. ], [
  1159. AC_TRY_COMPILE([
  1160. #include <netdb.h>
  1161. ], [
  1162. char *cp1;
  1163. struct hostent *h1;
  1164. struct hostent_data hd;
  1165. (void) gethostbyname_r(cp1,h1,&hd);
  1166. ], [
  1167. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  1168. AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
  1169. [Define this if gethostbyname_r takes 3 arguments])
  1170. AC_MSG_RESULT(3)
  1171. ], [
  1172. AC_MSG_RESULT(0)
  1173. ])
  1174. ])
  1175. ])
  1176. CFLAGS=$OLD_CFLAGS
  1177. ])
  1178. AC_CACHE_CHECK([whether the C compiler supports __func__],
  1179. tor_cv_have_func_macro,
  1180. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  1181. #include <stdio.h>
  1182. int main(int c, char **v) { puts(__func__); }])],
  1183. tor_cv_have_func_macro=yes,
  1184. tor_cv_have_func_macro=no))
  1185. AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
  1186. tor_cv_have_FUNC_macro,
  1187. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  1188. #include <stdio.h>
  1189. int main(int c, char **v) { puts(__FUNC__); }])],
  1190. tor_cv_have_FUNC_macro=yes,
  1191. tor_cv_have_FUNC_macro=no))
  1192. AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
  1193. tor_cv_have_FUNCTION_macro,
  1194. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  1195. #include <stdio.h>
  1196. int main(int c, char **v) { puts(__FUNCTION__); }])],
  1197. tor_cv_have_FUNCTION_macro=yes,
  1198. tor_cv_have_FUNCTION_macro=no))
  1199. AC_CACHE_CHECK([whether we have extern char **environ already declared],
  1200. tor_cv_have_environ_declared,
  1201. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  1202. /* We define _GNU_SOURCE here because it is also defined in compat.c.
  1203. * Without it environ doesn't get declared. */
  1204. #define _GNU_SOURCE
  1205. #ifdef HAVE_UNISTD_H
  1206. #include <unistd.h>
  1207. #endif
  1208. #include <stdlib.h>
  1209. int main(int c, char **v) { char **t = environ; }])],
  1210. tor_cv_have_environ_declared=yes,
  1211. tor_cv_have_environ_declared=no))
  1212. if test "$tor_cv_have_func_macro" = 'yes'; then
  1213. AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
  1214. fi
  1215. if test "$tor_cv_have_FUNC_macro" = 'yes'; then
  1216. AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
  1217. fi
  1218. if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
  1219. AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
  1220. [Defined if the compiler supports __FUNCTION__])
  1221. fi
  1222. if test "$tor_cv_have_environ_declared" = 'yes'; then
  1223. AC_DEFINE(HAVE_EXTERN_ENVIRON_DECLARED, 1,
  1224. [Defined if we have extern char **environ already declared])
  1225. fi
  1226. # $prefix stores the value of the --prefix command line option, or
  1227. # NONE if the option wasn't set. In the case that it wasn't set, make
  1228. # it be the default, so that we can use it to expand directories now.
  1229. if test "x$prefix" = "xNONE"; then
  1230. prefix=$ac_default_prefix
  1231. fi
  1232. # and similarly for $exec_prefix
  1233. if test "x$exec_prefix" = "xNONE"; then
  1234. exec_prefix=$prefix
  1235. fi
  1236. if test "x$BUILDDIR" = "x"; then
  1237. BUILDDIR=`pwd`
  1238. fi
  1239. AC_SUBST(BUILDDIR)
  1240. AH_TEMPLATE([BUILDDIR],[tor's build directory])
  1241. AC_DEFINE_UNQUOTED(BUILDDIR,"$BUILDDIR")
  1242. if test "x$CONFDIR" = "x"; then
  1243. CONFDIR=`eval echo $sysconfdir/tor`
  1244. fi
  1245. AC_SUBST(CONFDIR)
  1246. AH_TEMPLATE([CONFDIR],[tor's configuration directory])
  1247. AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
  1248. BINDIR=`eval echo $bindir`
  1249. AC_SUBST(BINDIR)
  1250. LOCALSTATEDIR=`eval echo $localstatedir`
  1251. AC_SUBST(LOCALSTATEDIR)
  1252. if test "$bwin32" = true; then
  1253. # Test if the linker supports the --nxcompat and --dynamicbase options
  1254. # for Windows
  1255. save_LDFLAGS="$LDFLAGS"
  1256. LDFLAGS="-Wl,--nxcompat -Wl,--dynamicbase"
  1257. AC_MSG_CHECKING([whether the linker supports DllCharacteristics])
  1258. AC_LINK_IFELSE([AC_LANG_PROGRAM([])],
  1259. [AC_MSG_RESULT([yes])]
  1260. [save_LDFLAGS="$save_LDFLAGS $LDFLAGS"],
  1261. [AC_MSG_RESULT([no])]
  1262. )
  1263. LDFLAGS="$save_LDFLAGS"
  1264. fi
  1265. # Set CFLAGS _after_ all the above checks, since our warnings are stricter
  1266. # than autoconf's macros like.
  1267. if test "$GCC" = yes; then
  1268. # Disable GCC's strict aliasing checks. They are an hours-to-debug
  1269. # accident waiting to happen.
  1270. CFLAGS="$CFLAGS -Wall -fno-strict-aliasing"
  1271. else
  1272. # Autoconf sets -g -O2 by default. Override optimization level
  1273. # for non-gcc compilers
  1274. CFLAGS="$CFLAGS -O"
  1275. enable_gcc_warnings=no
  1276. enable_gcc_warnings_advisory=no
  1277. fi
  1278. # OS X Lion started deprecating the system openssl. Let's just disable
  1279. # all deprecation warnings on OS X. Also, to potentially make the binary
  1280. # a little smaller, let's enable dead_strip.
  1281. case "$host_os" in
  1282. darwin*)
  1283. CFLAGS="$CFLAGS -Wno-deprecated-declarations"
  1284. LDFLAGS="$LDFLAGS -dead_strip" ;;
  1285. esac
  1286. # Add some more warnings which we use in development but not in the
  1287. # released versions. (Some relevant gcc versions can't handle these.)
  1288. if test x$enable_gcc_warnings = xyes || test x$enable_gcc_warnings_advisory = xyes; then
  1289. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  1290. #if !defined(__GNUC__) || (__GNUC__ < 4)
  1291. #error
  1292. #endif])], have_gcc4=yes, have_gcc4=no)
  1293. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  1294. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
  1295. #error
  1296. #endif])], have_gcc42=yes, have_gcc42=no)
  1297. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  1298. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
  1299. #error
  1300. #endif])], have_gcc43=yes, have_gcc43=no)
  1301. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  1302. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 6)
  1303. #error
  1304. #endif])], have_gcc46=yes, have_gcc46=no)
  1305. save_CFLAGS="$CFLAGS"
  1306. CFLAGS="$CFLAGS -Wshorten-64-to-32"
  1307. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], have_shorten64_flag=yes,
  1308. have_shorten64_flag=no)
  1309. CFLAGS="$save_CFLAGS"
  1310. case $host in
  1311. *-*-openbsd* | *-*-bitrig*)
  1312. # Some OpenBSD versions (like 4.8) have -Wsystem-headers by default.
  1313. # That's fine, except that the headers don't pass -Wredundant-decls.
  1314. # Therefore, let's disable -Wsystem-headers when we're building
  1315. # with maximal warnings on OpenBSD.
  1316. CFLAGS="$CFLAGS -Wno-system-headers" ;;
  1317. esac
  1318. CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith"
  1319. CFLAGS="$CFLAGS -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings"
  1320. CFLAGS="$CFLAGS -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2"
  1321. CFLAGS="$CFLAGS -Wwrite-strings -Wmissing-declarations -Wredundant-decls"
  1322. CFLAGS="$CFLAGS -Wnested-externs -Wbad-function-cast -Wswitch-enum"
  1323. if test x$enable_gcc_warnings = xyes; then
  1324. CFLAGS="$CFLAGS -Werror"
  1325. fi
  1326. # Disabled, so we can use mallinfo(): -Waggregate-return
  1327. if test x$have_gcc4 = xyes ; then
  1328. # These warnings break gcc 3.3.5 and work on gcc 4.0.2
  1329. CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
  1330. fi
  1331. if test x$have_gcc42 = xyes ; then
  1332. # These warnings break gcc 4.0.2 and work on gcc 4.2
  1333. # XXXX020 See if any of these work with earlier versions.
  1334. CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wstrict-overflow=1"
  1335. # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
  1336. fi
  1337. if test x$have_gcc42 = xyes && test x$have_clang = xno; then
  1338. # These warnings break gcc 4.0.2 and clang, but work on gcc 4.2
  1339. CFLAGS="$CFLAGS -Wnormalized=id -Woverride-init"
  1340. fi
  1341. if test x$have_gcc43 = xyes ; then
  1342. # These warnings break gcc 4.2 and work on gcc 4.3
  1343. # XXXX020 See if any of these work with earlier versions.
  1344. CFLAGS="$CFLAGS -Wextra -Warray-bounds"
  1345. fi
  1346. if test x$have_gcc46 = xyes ; then
  1347. # This warning was added in gcc 4.3, but it appears to generate
  1348. # spurious warnings in gcc 4.4. I don't know if it works in 4.5.
  1349. CFLAGS="$CFLAGS -Wlogical-op"
  1350. fi
  1351. if test x$have_shorten64_flag = xyes ; then
  1352. CFLAGS="$CFLAGS -Wshorten-64-to-32"
  1353. fi
  1354. ##This will break the world on some 64-bit architectures
  1355. # CFLAGS="$CFLAGS -Winline"
  1356. fi
  1357. if test "$enable_coverage" = yes && test "$have_clang" = "no"; then
  1358. case "$host_os" in
  1359. darwin*)
  1360. AC_MSG_WARN([Tried to enable coverage on OSX without using the clang compiler. This might not work! If coverage fails, use CC=clang when configuring with --enable-profiling.])
  1361. esac
  1362. fi
  1363. CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
  1364. AC_CONFIG_FILES([
  1365. Doxyfile
  1366. Makefile
  1367. contrib/dist/suse/tor.sh
  1368. contrib/operator-tools/tor.logrotate
  1369. contrib/dist/tor.sh
  1370. contrib/dist/torctl
  1371. contrib/dist/tor.service
  1372. src/config/torrc.sample
  1373. ])
  1374. if test x$asciidoc = xtrue && test "$ASCIIDOC" = "none" ; then
  1375. regular_mans="doc/tor doc/tor-gencert doc/tor-resolve doc/torify"
  1376. for file in $regular_mans ; do
  1377. if ! [[ -f "$srcdir/$file.1.in" ]] || ! [[ -f "$srcdir/$file.html.in" ]] ; then
  1378. echo "==================================";
  1379. echo;
  1380. echo "You need asciidoc installed to be able to build the manpage.";
  1381. echo "To build without manpages, use the --disable-asciidoc argument";
  1382. echo "when calling configure.";
  1383. echo;
  1384. echo "==================================";
  1385. exit 1;
  1386. fi
  1387. done
  1388. fi
  1389. AC_OUTPUT
  1390. if test -x /usr/bin/perl && test -x ./scripts/maint/updateVersions.pl ; then
  1391. ./scripts/maint/updateVersions.pl
  1392. fi