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