configure.in 34 KB

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  1. dnl Copyright (c) 2001-2004, Roger Dingledine
  2. dnl Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson
  3. dnl Copyright (c) 2007-2008, The Tor Project, Inc.
  4. dnl See LICENSE for licensing information
  5. AC_INIT
  6. AM_INIT_AUTOMAKE(tor, 0.2.3.0-alpha-dev)
  7. AM_CONFIG_HEADER(orconfig.h)
  8. AC_CANONICAL_HOST
  9. if test -f /etc/redhat-release ; then
  10. if test -f /usr/kerberos/include ; then
  11. CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
  12. fi
  13. fi
  14. # Not a no-op; we want to make sure that CPPFLAGS is set before we use
  15. # the += operator on it in src/or/Makefile.am
  16. CPPFLAGS="$CPPFLAGS -I\${top_srcdir}/src/common"
  17. #XXXX020 We should make these enabled or not, before 0.2.0.x-final
  18. AC_ARG_ENABLE(buf-freelists,
  19. AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM))
  20. AC_ARG_ENABLE(openbsd-malloc,
  21. AS_HELP_STRING(--enable-openbsd-malloc, Use malloc code from openbsd. Linux only))
  22. AC_ARG_ENABLE(instrument-downloads,
  23. AS_HELP_STRING(--enable-instrument-downloads, Instrument downloads of directory resources etc.))
  24. AC_ARG_ENABLE(static-openssl,
  25. AS_HELP_STRING(--enable-static-openssl, Link against a static openssl library. Requires --with-openssl-dir))
  26. AC_ARG_ENABLE(static-libevent,
  27. AS_HELP_STRING(--enable-static-libevent, Link against a static libevent library. Requires --with-libevent-dir))
  28. AC_ARG_ENABLE(static-zlib,
  29. AS_HELP_STRING(--enable-static-zlib, Link against a static zlib library. Requires --with-zlib-dir))
  30. if test x$enable_buf_freelists != xno; then
  31. AC_DEFINE(ENABLE_BUF_FREELISTS, 1,
  32. [Defined if we try to use freelists for buffer RAM chunks])
  33. fi
  34. AM_CONDITIONAL(USE_OPENBSD_MALLOC, test x$enable_openbsd_malloc = xyes)
  35. if test x$enable_instrument_downloads = xyes; then
  36. AC_DEFINE(INSTRUMENT_DOWNLOADS, 1,
  37. [Defined if we want to keep track of how much of each kind of resource we download.])
  38. fi
  39. AC_ARG_ENABLE(transparent,
  40. AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
  41. [case "${enableval}" in
  42. yes) transparent=true ;;
  43. no) transparent=false ;;
  44. *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
  45. esac], [transparent=true])
  46. AC_ARG_ENABLE(asciidoc,
  47. AS_HELP_STRING(--disable-asciidoc, don't use asciidoc (disables building of manpages)),
  48. [case "${enableval}" in
  49. yes) asciidoc=true ;;
  50. no) asciidoc=false ;;
  51. *) AC_MSG_ERROR(bad value for --disable-asciidoc) ;;
  52. esac], [asciidoc=true])
  53. # By default, we're not ready to ship a NAT-PMP aware Tor
  54. AC_ARG_ENABLE(nat-pmp,
  55. AS_HELP_STRING(--enable-nat-pmp, enable NAT-PMP support),
  56. [case "${enableval}" in
  57. yes) natpmp=true ;;
  58. no) natpmp=false ;;
  59. * ) AC_MSG_ERROR(bad value for --enable-nat-pmp) ;;
  60. esac], [natpmp=false])
  61. # By default, we're not ready to ship a UPnP aware Tor
  62. AC_ARG_ENABLE(upnp,
  63. AS_HELP_STRING(--enable-upnp, enable UPnP support),
  64. [case "${enableval}" in
  65. yes) upnp=true ;;
  66. no) upnp=false ;;
  67. * ) AC_MSG_ERROR(bad value for --enable-upnp) ;;
  68. esac], [upnp=false])
  69. AC_ARG_ENABLE(threads,
  70. AS_HELP_STRING(--disable-threads, disable multi-threading support))
  71. if test x$enable_threads = x; then
  72. case $host in
  73. *-*-solaris* )
  74. # Don't try multithreading on solaris -- cpuworkers seem to lock.
  75. AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
  76. cpu workers lock up here, so I will disable threads.])
  77. enable_threads="no";;
  78. *)
  79. enable_threads="yes";;
  80. esac
  81. fi
  82. if test "$enable_threads" = "yes"; then
  83. AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
  84. fi
  85. case $host in
  86. *-*-solaris* )
  87. AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
  88. ;;
  89. esac
  90. AC_ARG_ENABLE(gcc-warnings,
  91. AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
  92. AC_ARG_ENABLE(gcc-warnings-advisory,
  93. AS_HELP_STRING(--enable-gcc-warnings-advisory, [enable verbose warnings, excluding -Werror]))
  94. dnl Adam shostack suggests the following for Windows:
  95. dnl -D_FORTIFY_SOURCE=2 -fstack-protector-all
  96. dnl Others suggest '/gs /safeseh /nxcompat /dynamicbase' for non-gcc on Windows
  97. dnl This requires that we use gcc and that we add -O2 to the CFLAGS.
  98. AC_ARG_ENABLE(gcc-hardening,
  99. AS_HELP_STRING(--enable-gcc-hardening, enable compiler security checks),
  100. [if test x$enableval = xyes; then
  101. CFLAGS="$CFLAGS -D_FORTIFY_SOURCE=2 -fstack-protector-all"
  102. CFLAGS="$CFLAGS -fwrapv -fPIE -Wstack-protector"
  103. CFLAGS="$CFLAGS --param ssp-buffer-size=1"
  104. LDFLAGS="$LDFLAGS -pie"
  105. fi])
  106. dnl Linker hardening options
  107. dnl Currently these options are ELF specific - you can't use this with MacOSX
  108. AC_ARG_ENABLE(linker-hardening,
  109. AS_HELP_STRING(--enable-linker-hardening, enable linker security fixups),
  110. [if test x$enableval = xyes; then
  111. LDFLAGS="$LDFLAGS -z relro -z now"
  112. fi])
  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 "$enable_local_appdata" = "yes"; then
  116. AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
  117. [Defined if we default to host local appdata paths on Windows])
  118. fi
  119. AC_ARG_ENABLE(bufferevents,
  120. AS_HELP_STRING(--enable-bufferevents, use Libevent's buffered IO.))
  121. AC_PROG_CC
  122. AC_PROG_CPP
  123. AC_PROG_MAKE_SET
  124. AC_PROG_RANLIB
  125. dnl autoconf 2.59 appears not to support AC_PROG_SED
  126. AC_CHECK_PROG([SED],[sed],[sed],[/bin/false])
  127. dnl check for asciidoc and a2x
  128. AC_PATH_PROG([ASCIIDOC], [asciidoc], none)
  129. AC_PATH_PROG([A2X], [a2x], none)
  130. AM_CONDITIONAL(USE_ASCIIDOC, test x$asciidoc = xtrue)
  131. AM_CONDITIONAL(USE_FW_HELPER, test x$natpmp = xtrue || test x$upnp = xtrue)
  132. AM_CONDITIONAL(NAT_PMP, test x$natpmp = xtrue)
  133. AM_CONDITIONAL(MINIUPNPC, test x$upnp = xtrue)
  134. AM_PROG_CC_C_O
  135. ifdef([AC_C_FLEXIBLE_ARRAY_MEMBER], [
  136. AC_C_FLEXIBLE_ARRAY_MEMBER
  137. ], [
  138. dnl Maybe we've got an old autoconf...
  139. AC_CACHE_CHECK([for flexible array members],
  140. tor_cv_c_flexarray,
  141. [AC_COMPILE_IFELSE(
  142. AC_LANG_PROGRAM([
  143. struct abc { int a; char b[]; };
  144. ], [
  145. struct abc *def = malloc(sizeof(struct abc)+sizeof(char));
  146. def->b[0] = 33;
  147. ]),
  148. [tor_cv_c_flexarray=yes],
  149. [tor_cv_c_flexarray=no])])
  150. if test $tor_cv_flexarray = yes ; then
  151. AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [])
  152. else
  153. AC_DEFINE([FLEXIBLE_ARRAY_MEMBER], [1])
  154. fi
  155. ])
  156. AC_PATH_PROG([SHA1SUM], [sha1sum], none)
  157. AC_PATH_PROG([OPENSSL], [openssl], none)
  158. TORUSER=_tor
  159. AC_ARG_WITH(tor-user,
  160. [ --with-tor-user=NAME Specify username for tor daemon ],
  161. [
  162. TORUSER=$withval
  163. ]
  164. )
  165. AC_SUBST(TORUSER)
  166. TORGROUP=_tor
  167. AC_ARG_WITH(tor-group,
  168. [ --with-tor-group=NAME Specify group name for tor daemon ],
  169. [
  170. TORGROUP=$withval
  171. ]
  172. )
  173. AC_SUBST(TORGROUP)
  174. dnl If WIN32 is defined and non-zero, we are building for win32
  175. AC_MSG_CHECKING([for win32])
  176. AC_RUN_IFELSE([AC_LANG_SOURCE([
  177. int main(int c, char **v) {
  178. #ifdef WIN32
  179. #if WIN32
  180. return 0;
  181. #else
  182. return 1;
  183. #endif
  184. #else
  185. return 2;
  186. #endif
  187. }])],
  188. bwin32=true; AC_MSG_RESULT([yes]),
  189. bwin32=false; AC_MSG_RESULT([no]),
  190. bwin32=cross; AC_MSG_RESULT([cross])
  191. )
  192. if test "$bwin32" = cross; then
  193. AC_MSG_CHECKING([for win32 (cross)])
  194. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  195. #ifdef WIN32
  196. int main(int c, char **v) {return 0;}
  197. #else
  198. #error
  199. int main(int c, char **v) {return x(y);}
  200. #endif
  201. ])],
  202. bwin32=true; AC_MSG_RESULT([yes]),
  203. bwin32=false; AC_MSG_RESULT([no]))
  204. fi
  205. if test "$bwin32" = true; then
  206. AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
  207. fi
  208. AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
  209. dnl Enable C99 when compiling with MIPSpro
  210. AC_MSG_CHECKING([for MIPSpro compiler])
  211. AC_COMPILE_IFELSE([AC_LANG_PROGRAM(, [
  212. #if (defined(__sgi) && defined(_COMPILER_VERSION))
  213. #error
  214. return x(y);
  215. #endif
  216. ])],
  217. bmipspro=false; AC_MSG_RESULT(no),
  218. bmipspro=true; AC_MSG_RESULT(yes))
  219. if test "$bmipspro" = true; then
  220. CFLAGS="$CFLAGS -c99"
  221. fi
  222. AC_C_BIGENDIAN
  223. AC_SEARCH_LIBS(socket, [socket])
  224. AC_SEARCH_LIBS(gethostbyname, [nsl])
  225. AC_SEARCH_LIBS(dlopen, [dl])
  226. AC_SEARCH_LIBS(inet_aton, [resolv])
  227. if test "$enable_threads" = "yes"; then
  228. AC_SEARCH_LIBS(pthread_create, [pthread])
  229. AC_SEARCH_LIBS(pthread_detach, [pthread])
  230. fi
  231. dnl -------------------------------------------------------------------
  232. dnl Check for functions before libevent, since libevent-1.2 apparently
  233. dnl exports strlcpy without defining it in a header.
  234. AC_CHECK_FUNCS(
  235. accept4 \
  236. flock \
  237. ftime \
  238. getaddrinfo \
  239. getrlimit \
  240. gettimeofday \
  241. gmtime_r \
  242. inet_aton \
  243. localtime_r \
  244. memmem \
  245. prctl \
  246. socketpair \
  247. strlcat \
  248. strlcpy \
  249. strptime \
  250. strtok_r \
  251. strtoull \
  252. sysconf \
  253. uname \
  254. vasprintf \
  255. )
  256. using_custom_malloc=no
  257. if test x$enable_openbsd_malloc = xyes ; then
  258. AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function])
  259. using_custom_malloc=yes
  260. fi
  261. if test x$tcmalloc = xyes ; then
  262. using_custom_malloc=yes
  263. fi
  264. if test $using_custom_malloc = no ; then
  265. AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size)
  266. fi
  267. if test "$enable_threads" = "yes"; then
  268. AC_CHECK_HEADERS(pthread.h)
  269. AC_CHECK_FUNCS(pthread_create)
  270. fi
  271. dnl ------------------------------------------------------
  272. dnl Where do you live, libevent? And how do we call you?
  273. if test "$bwin32" = true; then
  274. TOR_LIB_WS32=-lws2_32
  275. # Some of the cargo-cults recommend -lwsock32 as well, but I don't
  276. # think it's actually necessary.
  277. TOR_LIB_GDI=-lgdi32
  278. else
  279. TOR_LIB_WS32=
  280. TOR_LIB_GDI=
  281. fi
  282. AC_SUBST(TOR_LIB_WS32)
  283. AC_SUBST(TOR_LIB_GDI)
  284. dnl We need to do this before we try our disgusting hack below.
  285. AC_CHECK_HEADERS([sys/types.h])
  286. dnl This is a disgusting hack so we safely include older libevent headers.
  287. AC_CHECK_TYPE(u_int64_t, unsigned long long)
  288. AC_CHECK_TYPE(u_int32_t, unsigned long)
  289. AC_CHECK_TYPE(u_int16_t, unsigned short)
  290. AC_CHECK_TYPE(u_int8_t, unsigned char)
  291. tor_libevent_pkg_redhat="libevent"
  292. tor_libevent_pkg_debian="libevent-dev"
  293. tor_libevent_devpkg_redhat="libevent-devel"
  294. tor_libevent_devpkg_debian="libevent-dev"
  295. TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
  296. #ifdef WIN32
  297. #include <winsock2.h>
  298. #endif
  299. #include <stdlib.h>
  300. #include <sys/time.h>
  301. #include <sys/types.h>
  302. #include <event.h>], [
  303. #ifdef WIN32
  304. #include <winsock2.h>
  305. #endif
  306. void exit(int); void *event_init(void);],
  307. [
  308. #ifdef WIN32
  309. {WSADATA d; WSAStartup(0x101,&d); }
  310. #endif
  311. event_init(); exit(0);
  312. ], [--with-libevent-dir], [/opt/libevent])
  313. dnl Now check for particular libevent functions.
  314. save_LIBS="$LIBS"
  315. save_LDFLAGS="$LDFLAGS"
  316. save_CPPFLAGS="$CPPFLAGS"
  317. LIBS="-levent $TOR_LIB_WS32 $LIBS"
  318. LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
  319. CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
  320. AC_CHECK_FUNCS(event_get_version event_get_version_number event_get_method event_set_log_callback evdns_set_outgoing_bind_address event_base_loopexit)
  321. AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
  322. [#include <event.h>
  323. ])
  324. AC_CHECK_HEADERS(event2/event.h event2/dns.h event2/bufferevent_ssl.h)
  325. LIBS="$save_LIBS"
  326. LDFLAGS="$save_LDFLAGS"
  327. CPPFLAGS="$save_CPPFLAGS"
  328. AM_CONDITIONAL(USE_EXTERNAL_EVDNS, test x$ac_cv_header_event2_dns_h = xyes)
  329. if test "$enable_static_libevent" = "yes"; then
  330. if test "$tor_cv_library_libevent_dir" = "(system)"; then
  331. AC_MSG_ERROR("You must specify an explicit --with-libevent-dir=x option when using --enable-static-libevent")
  332. else
  333. TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent.a"
  334. fi
  335. else
  336. TOR_LIBEVENT_LIBS="-levent"
  337. fi
  338. AC_SUBST(TOR_LIBEVENT_LIBS)
  339. dnl This isn't the best test for Libevent 2.0.3-alpha. Once it's released,
  340. dnl we can do much better.
  341. if test "$enable_bufferevents" = "yes" ; then
  342. if test "$ac_cv_header_event2_bufferevent_ssl_h" != "yes" ; then
  343. 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.])
  344. else
  345. CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent"
  346. # Check for the right version. First see if version detection works.
  347. AC_MSG_CHECKING([whether we can detect the Libevent version])
  348. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  349. #include <event2/event.h>
  350. #if !defined(LIBEVENT_VERSION_NUMBER) || LIBEVENT_VERSION_NUMBER < 10
  351. #error
  352. int x = y(zz);
  353. #else
  354. int x = 1;
  355. #endif
  356. ])], [event_version_number_works=yes; AC_MSG_RESULT([yes]) ],
  357. [event_version_number_works=no; AC_MSG_RESULT([no])])
  358. if test "$event_version_number_works" != 'yes'; then
  359. AC_MSG_WARN([Version detection on Libevent seems broken. Your Libevent installation is probably screwed up or very old.])
  360. else
  361. AC_MSG_CHECKING([whether Libevent is new enough for bufferevents])
  362. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  363. #include <event2/event.h>
  364. #if !defined(LIBEVENT_VERSION_NUMBER) || LIBEVENT_VERSION_NUMBER < 0x02000800
  365. #error
  366. int x = y(zz);
  367. #else
  368. int x = 1;
  369. #endif
  370. ])], [ AC_MSG_RESULT([yes]) ],
  371. [ AC_MSG_RESULT([no])
  372. AC_MSG_ERROR([Libevent does not seem new enough to support bufferevents. We require 2.0.8-rc or later]) ] )
  373. fi
  374. fi
  375. fi
  376. LIBS="$save_LIBS"
  377. LDFLAGS="$save_LDFLAGS"
  378. CPPFLAGS="$save_CPPFLAGS"
  379. AM_CONDITIONAL(USE_BUFFEREVENTS, test "$enable_bufferevents" = "yes")
  380. if test "$enable_bufferevents" = "yes"; then
  381. AC_DEFINE(USE_BUFFEREVENTS, 1, [Defined if we're going to use Libevent's buffered IO API])
  382. fi
  383. dnl ------------------------------------------------------
  384. dnl Where do you live, openssl? And how do we call you?
  385. tor_openssl_pkg_redhat="openssl"
  386. tor_openssl_pkg_debian="libssl"
  387. tor_openssl_devpkg_redhat="openssl-devel"
  388. tor_openssl_devpkg_debian="libssl-dev"
  389. ALT_openssl_WITHVAL=""
  390. AC_ARG_WITH(ssl-dir,
  391. [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
  392. [
  393. if test "x$withval" != xno && test "x$withval" != "x" ; then
  394. ALT_openssl_WITHVAL="$withval"
  395. fi
  396. ])
  397. TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
  398. [#include <openssl/rand.h>],
  399. [void RAND_add(const void *buf, int num, double entropy);],
  400. [RAND_add((void*)0,0,0); exit(0);], [],
  401. [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
  402. dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
  403. echo "tor_cv_library_openssl_dir is $tor_cv_library_openssl_dir"
  404. if test "$enable_static_openssl" = "yes"; then
  405. if test "$tor_cv_library_openssl_dir" = "(system)"; then
  406. AC_MSG_ERROR("You must specify an explicit --with-openssl-dir=x option when using --enable-static-openssl")
  407. else
  408. TOR_OPENSSL_LIBS="$TOR_LIBDIR_openssl/libssl.a $TOR_LIBDIR_openssl/libcrypto.a"
  409. fi
  410. else
  411. TOR_OPENSSL_LIBS="-lssl -lcrypto"
  412. fi
  413. AC_SUBST(TOR_OPENSSL_LIBS)
  414. dnl ------------------------------------------------------
  415. dnl Where do you live, zlib? And how do we call you?
  416. tor_openssl_pkg_redhat="zlib"
  417. tor_openssl_pkg_debian="zlib1g"
  418. tor_openssl_devpkg_redhat="zlib-devel"
  419. tor_openssl_devpkg_debian="zlib1g-dev"
  420. TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
  421. [#include <zlib.h>],
  422. [const char * zlibVersion(void);],
  423. [zlibVersion(); exit(0);], [--with-zlib-dir],
  424. [/opt/zlib])
  425. if test "$enable_static_zlib" = "yes"; then
  426. if test "$tor_cv_library_zlib_dir" = "(system)"; then
  427. AC_MSG_ERROR("You must specify an explicit --with-zlib-dir=x option when
  428. using --enable-static-zlib")
  429. else
  430. TOR_ZLIB_LIBS="$TOR_LIBDIR_zlib/libz.a"
  431. echo "$TOR_LIBDIR_zlib/libz.a"
  432. fi
  433. else
  434. TOR_ZLIB_LIBS="-lz"
  435. fi
  436. AC_SUBST(TOR_ZLIB_LIBS)
  437. dnl Make sure to enable support for large off_t if available.
  438. dnl ------------------------------------------------------
  439. dnl Where do you live, libnatpmp? And how do we call you?
  440. dnl There are no packages for Debian or Redhat as of this patch
  441. if test "$natpmp" = "true"; then
  442. AC_DEFINE(NAT_PMP, 1, [Define to 1 if we are building with nat-pmp.])
  443. TOR_SEARCH_LIBRARY(libnatpmp, $trylibnatpmpdir, [-lnatpmp],
  444. [#include <natpmp.h>],
  445. [#include <natpmp.h>],
  446. [ int r;
  447. natpmp_t natpmp;
  448. natpmpresp_t response;
  449. r = initnatpmp(&natpmp);],
  450. [printf("initnatpmp() returned %d (%s)\n", r, r?"FAILED":"SUCCESS");
  451. exit(0);],
  452. [--with-libnatpmp-dir],
  453. [/usr/lib/])
  454. fi
  455. dnl ------------------------------------------------------
  456. dnl Where do you live, libminiupnpc? And how do we call you?
  457. dnl There are no packages for Debian or Redhat as of this patch
  458. if test "$upnp" = "true"; then
  459. AC_DEFINE(MINIUPNPC, 1, [Define to 1 if we are building with UPnP.])
  460. TOR_SEARCH_LIBRARY(libminiupnpc, $trylibminiupnpcdir, [-lminiupnpc],
  461. [#include <miniupnpc/miniwget.h>
  462. #include <miniupnpc/miniupnpc.h>
  463. #include <miniupnpc/upnpcommands.h>],
  464. [void upnpDiscover(int delay, const char * multicastif,
  465. const char * minissdpdsock, int sameport);],
  466. [upnpDiscover(1, 0, 0, 0); exit(0);],
  467. [--with-libminiupnpc-dir],
  468. [/usr/lib/])
  469. fi
  470. AC_SYS_LARGEFILE
  471. AC_CHECK_HEADERS(
  472. assert.h \
  473. errno.h \
  474. fcntl.h \
  475. signal.h \
  476. string.h \
  477. sys/fcntl.h \
  478. sys/stat.h \
  479. sys/time.h \
  480. sys/types.h \
  481. time.h \
  482. unistd.h
  483. , , 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.))
  484. dnl These headers are not essential
  485. AC_CHECK_HEADERS(
  486. arpa/inet.h \
  487. grp.h \
  488. inttypes.h \
  489. limits.h \
  490. linux/types.h \
  491. machine/limits.h \
  492. malloc.h \
  493. malloc/malloc.h \
  494. malloc_np.h \
  495. netdb.h \
  496. netinet/in.h \
  497. netinet/in6.h \
  498. pwd.h \
  499. stdint.h \
  500. sys/file.h \
  501. sys/ioctl.h \
  502. sys/limits.h \
  503. sys/mman.h \
  504. sys/param.h \
  505. sys/prctl.h \
  506. sys/resource.h \
  507. sys/socket.h \
  508. sys/syslimits.h \
  509. sys/time.h \
  510. sys/types.h \
  511. sys/un.h \
  512. sys/utime.h \
  513. sys/wait.h \
  514. syslog.h \
  515. utime.h
  516. )
  517. TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
  518. [#ifdef HAVE_MALLOC_H
  519. #include <malloc.h>
  520. #endif
  521. #ifdef HAVE_MALLOC_MALLOC_H
  522. #include <malloc/malloc.h>
  523. #endif])
  524. AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
  525. [#ifdef HAVE_SYS_TYPES_H
  526. #include <sys/types.h>
  527. #endif
  528. #ifdef HAVE_SYS_SOCKET_H
  529. #include <sys/socket.h>
  530. #endif])
  531. AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
  532. [#ifdef HAVE_SYS_TYPES_H
  533. #include <sys/types.h>
  534. #endif
  535. #ifdef HAVE_SYS_SOCKET_H
  536. #include <sys/socket.h>
  537. #endif
  538. #ifdef HAVE_NET_IF_H
  539. #include <net/if.h>
  540. #endif])
  541. AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
  542. linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
  543. [#ifdef HAVE_SYS_TYPES_H
  544. #include <sys/types.h>
  545. #endif
  546. #ifdef HAVE_SYS_SOCKET_H
  547. #include <sys/socket.h>
  548. #endif
  549. #ifdef HAVE_LIMITS_H
  550. #include <limits.h>
  551. #endif
  552. #ifdef HAVE_LINUX_TYPES_H
  553. #include <linux/types.h>
  554. #endif
  555. #ifdef HAVE_NETINET_IN6_H
  556. #include <netinet/in6.h>
  557. #endif
  558. #ifdef HAVE_NETINET_IN_H
  559. #include <netinet/in.h>
  560. #endif])
  561. if test x$transparent = xtrue ; then
  562. transparent_ok=0
  563. if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
  564. transparent_ok=1
  565. fi
  566. if test x$linux_netfilter_ipv4 = x1 ; then
  567. transparent_ok=1
  568. fi
  569. if test x$transparent_ok = x1 ; then
  570. AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
  571. case $host in
  572. *-*-openbsd*)
  573. AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
  574. esac
  575. else
  576. AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
  577. fi
  578. fi
  579. AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
  580. [#ifdef HAVE_SYS_TYPES_H
  581. #include <sys/types.h>
  582. #endif
  583. #ifdef HAVE_SYS_TIME_H
  584. #include <sys/time.h>
  585. #endif])
  586. dnl In case we aren't given a working stdint.h, we'll need to grow our own.
  587. dnl Watch out.
  588. AC_CHECK_SIZEOF(int8_t)
  589. AC_CHECK_SIZEOF(int16_t)
  590. AC_CHECK_SIZEOF(int32_t)
  591. AC_CHECK_SIZEOF(int64_t)
  592. AC_CHECK_SIZEOF(uint8_t)
  593. AC_CHECK_SIZEOF(uint16_t)
  594. AC_CHECK_SIZEOF(uint32_t)
  595. AC_CHECK_SIZEOF(uint64_t)
  596. AC_CHECK_SIZEOF(intptr_t)
  597. AC_CHECK_SIZEOF(uintptr_t)
  598. dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
  599. AC_CHECK_SIZEOF(char)
  600. AC_CHECK_SIZEOF(short)
  601. AC_CHECK_SIZEOF(int)
  602. AC_CHECK_SIZEOF(long)
  603. AC_CHECK_SIZEOF(long long)
  604. AC_CHECK_SIZEOF(__int64)
  605. AC_CHECK_SIZEOF(void *)
  606. AC_CHECK_SIZEOF(time_t)
  607. AC_CHECK_SIZEOF(size_t)
  608. AC_CHECK_TYPES([uint, u_char, ssize_t])
  609. dnl used to include sockaddr_storage, but everybody has that.
  610. AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
  611. [#ifdef HAVE_SYS_TYPES_H
  612. #include <sys/types.h>
  613. #endif
  614. #ifdef HAVE_NETINET_IN_H
  615. #include <netinet/in.h>
  616. #endif
  617. #ifdef HAVE_NETINET_IN6_H
  618. #include <netinet/in6.h>
  619. #endif
  620. #ifdef HAVE_SYS_SOCKET_H
  621. #include <sys/socket.h>
  622. #endif
  623. #ifdef MS_WINDOWS
  624. #define WIN32_WINNT 0x400
  625. #define _WIN32_WINNT 0x400
  626. #define WIN32_LEAN_AND_MEAN
  627. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  628. #include <winsock.h>
  629. #else
  630. #include <winsock2.h>
  631. #include <ws2tcpip.h>
  632. #endif
  633. #endif
  634. ])
  635. AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
  636. [#ifdef HAVE_SYS_TYPES_H
  637. #include <sys/types.h>
  638. #endif
  639. #ifdef HAVE_NETINET_IN_H
  640. #include <netinet/in.h>
  641. #endif
  642. #ifdef HAVE_NETINET_IN6_H
  643. #include <netinet/in6.h>
  644. #endif
  645. #ifdef HAVE_SYS_SOCKET_H
  646. #include <sys/socket.h>
  647. #endif
  648. #ifdef MS_WINDOWS
  649. #define WIN32_WINNT 0x400
  650. #define _WIN32_WINNT 0x400
  651. #define WIN32_LEAN_AND_MEAN
  652. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  653. #include <winsock.h>
  654. #else
  655. #include <winsock2.h>
  656. #include <ws2tcpip.h>
  657. #endif
  658. #endif
  659. ])
  660. AC_CHECK_TYPES([rlim_t], , ,
  661. [#ifdef HAVE_SYS_TYPES_H
  662. #include <sys/types.h>
  663. #endif
  664. #ifdef HAVE_SYS_TIME_H
  665. #include <sys/time.h>
  666. #endif
  667. #ifdef HAVE_SYS_RESOURCE_H
  668. #include <sys/resource.h>
  669. #endif
  670. ])
  671. AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
  672. AC_RUN_IFELSE([AC_LANG_SOURCE([
  673. #ifdef HAVE_SYS_TYPES_H
  674. #include <sys/types.h>
  675. #endif
  676. #ifdef HAVE_SYS_TIME_H
  677. #include <sys/time.h>
  678. #endif
  679. #ifdef HAVE_TIME_H
  680. #include <time.h>
  681. #endif
  682. int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }])],
  683. tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
  684. ])
  685. if test "$tor_cv_time_t_signed" = cross; then
  686. AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
  687. fi
  688. if test "$tor_cv_time_t_signed" != no; then
  689. AC_DEFINE([TIME_T_IS_SIGNED], 1,
  690. [Define to 1 iff time_t is signed])
  691. fi
  692. AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
  693. #ifdef HAVE_SYS_SOCKET_H
  694. #include <sys/socket.h>
  695. #endif
  696. ])
  697. # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
  698. AC_CHECK_SIZEOF(cell_t)
  699. # Now make sure that NULL can be represented as zero bytes.
  700. AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
  701. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  702. [[#include <stdlib.h>
  703. #include <string.h>
  704. #include <stdio.h>
  705. #ifdef HAVE_STDDEF_H
  706. #include <stddef.h>
  707. #endif
  708. int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
  709. return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
  710. [tor_cv_null_is_zero=yes],
  711. [tor_cv_null_is_zero=no],
  712. [tor_cv_null_is_zero=cross])])
  713. if test "$tor_cv_null_is_zero" = cross ; then
  714. # Cross-compiling; let's hope that the target isn't raving mad.
  715. AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
  716. fi
  717. if test "$tor_cv_null_is_zero" != no; then
  718. AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
  719. [Define to 1 iff memset(0) sets pointers to NULL])
  720. fi
  721. # And what happens when we malloc zero?
  722. AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
  723. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  724. [[#include <stdlib.h>
  725. #include <string.h>
  726. #include <stdio.h>
  727. #ifdef HAVE_STDDEF_H
  728. #include <stddef.h>
  729. #endif
  730. int main () { return malloc(0)?0:1; }]])],
  731. [tor_cv_malloc_zero_works=yes],
  732. [tor_cv_malloc_zero_works=no],
  733. [tor_cv_malloc_zero_works=cross])])
  734. if test "$tor_cv_malloc_zero_works" = cross; then
  735. # Cross-compiling; let's hope that the target isn't raving mad.
  736. AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
  737. fi
  738. if test "$tor_cv_malloc_zero_works" = yes; then
  739. AC_DEFINE([MALLOC_ZERO_WORKS], 1,
  740. [Define to 1 iff malloc(0) returns a pointer])
  741. fi
  742. # whether we seem to be in a 2s-complement world.
  743. AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
  744. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  745. [[int main () { int problem = ((-99) != (~99)+1);
  746. return problem ? 1 : 0; }]])],
  747. [tor_cv_twos_complement=yes],
  748. [tor_cv_twos_complement=no],
  749. [tor_cv_twos_complement=cross])])
  750. if test "$tor_cv_twos_complement" = cross ; then
  751. # Cross-compiling; let's hope that the target isn't raving mad.
  752. AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
  753. fi
  754. if test "$tor_cv_twos_complement" != no ; then
  755. AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
  756. [Define to 1 iff we represent negative integers with two's complement])
  757. fi
  758. # Whether we should use the dmalloc memory allocation debugging library.
  759. AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
  760. AC_ARG_WITH(dmalloc,
  761. [ --with-dmalloc Use debug memory allocation library. ],
  762. [if [[ "$withval" = "yes" ]]; then
  763. dmalloc=1
  764. AC_MSG_RESULT(yes)
  765. else
  766. dmalloc=1
  767. AC_MSG_RESULT(no)
  768. fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
  769. )
  770. if [[ $dmalloc -eq 1 ]]; then
  771. AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
  772. AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
  773. AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
  774. AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
  775. AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
  776. fi
  777. AC_ARG_WITH(tcmalloc,
  778. [ --with-tcmalloc Use tcmalloc memory allocation library. ],
  779. [ tcmalloc=yes ], [ tcmalloc=no ])
  780. if test x$tcmalloc = xyes ; then
  781. LDFLAGS="-ltcmalloc $LDFLAGS"
  782. fi
  783. # By default, we're going to assume we don't have mlockall()
  784. # bionic and other platforms have various broken mlockall subsystems.
  785. # Some systems don't have a working mlockall, some aren't linkable,
  786. # and some have it but don't declare it.
  787. AC_CHECK_FUNCS(mlockall)
  788. AC_CHECK_DECLS([mlockall], , , [
  789. #ifdef HAVE_SYS_MMAN_H
  790. #include <sys/mman.h>
  791. #endif])
  792. # Allow user to specify an alternate syslog facility
  793. AC_ARG_WITH(syslog-facility,
  794. [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
  795. syslog_facility="$withval", syslog_facility="LOG_DAEMON")
  796. AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
  797. AC_SUBST(LOGFACILITY)
  798. # Check if we have getresuid and getresgid
  799. AC_CHECK_FUNCS(getresuid getresgid)
  800. # Check for gethostbyname_r in all its glorious incompatible versions.
  801. # (This logic is based on that in Python's configure.in)
  802. AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
  803. [Define this if you have any gethostbyname_r()])
  804. AC_CHECK_FUNC(gethostbyname_r, [
  805. AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
  806. OLD_CFLAGS=$CFLAGS
  807. CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
  808. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([
  809. #include <netdb.h>
  810. ], [[
  811. char *cp1, *cp2;
  812. struct hostent *h1, *h2;
  813. int i1, i2;
  814. (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
  815. ]])],[
  816. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  817. AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
  818. [Define this if gethostbyname_r takes 6 arguments])
  819. AC_MSG_RESULT(6)
  820. ], [
  821. AC_TRY_COMPILE([
  822. #include <netdb.h>
  823. ], [
  824. char *cp1, *cp2;
  825. struct hostent *h1;
  826. int i1, i2;
  827. (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
  828. ], [
  829. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  830. AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
  831. [Define this if gethostbyname_r takes 5 arguments])
  832. AC_MSG_RESULT(5)
  833. ], [
  834. AC_TRY_COMPILE([
  835. #include <netdb.h>
  836. ], [
  837. char *cp1;
  838. struct hostent *h1;
  839. struct hostent_data hd;
  840. (void) gethostbyname_r(cp1,h1,&hd);
  841. ], [
  842. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  843. AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
  844. [Define this if gethostbyname_r takes 3 arguments])
  845. AC_MSG_RESULT(3)
  846. ], [
  847. AC_MSG_RESULT(0)
  848. ])
  849. ])
  850. ])
  851. CFLAGS=$OLD_CFLAGS
  852. ])
  853. AC_CACHE_CHECK([whether the C compiler supports __func__],
  854. tor_cv_have_func_macro,
  855. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  856. #include <stdio.h>
  857. int main(int c, char **v) { puts(__func__); }])],
  858. tor_cv_have_func_macro=yes,
  859. tor_cv_have_func_macro=no))
  860. AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
  861. tor_cv_have_FUNC_macro,
  862. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  863. #include <stdio.h>
  864. int main(int c, char **v) { puts(__FUNC__); }])],
  865. tor_cv_have_FUNC_macro=yes,
  866. tor_cv_have_FUNC_macro=no))
  867. AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
  868. tor_cv_have_FUNCTION_macro,
  869. AC_COMPILE_IFELSE([AC_LANG_SOURCE([
  870. #include <stdio.h>
  871. int main(int c, char **v) { puts(__FUNCTION__); }])],
  872. tor_cv_have_FUNCTION_macro=yes,
  873. tor_cv_have_FUNCTION_macro=no))
  874. if test "$tor_cv_have_func_macro" = 'yes'; then
  875. AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
  876. fi
  877. if test "$tor_cv_have_FUNC_macro" = 'yes'; then
  878. AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
  879. fi
  880. if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
  881. AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
  882. [Defined if the compiler supports __FUNCTION__])
  883. fi
  884. # $prefix stores the value of the --prefix command line option, or
  885. # NONE if the option wasn't set. In the case that it wasn't set, make
  886. # it be the default, so that we can use it to expand directories now.
  887. if test "x$prefix" = "xNONE"; then
  888. prefix=$ac_default_prefix
  889. fi
  890. # and similarly for $exec_prefix
  891. if test "x$exec_prefix" = "xNONE"; then
  892. exec_prefix=$prefix
  893. fi
  894. if test "x$BUILDDIR" = "x"; then
  895. BUILDDIR=`pwd`
  896. fi
  897. AC_SUBST(BUILDDIR)
  898. AH_TEMPLATE([BUILDDIR],[tor's build directory])
  899. AC_DEFINE_UNQUOTED(BUILDDIR,"$BUILDDIR")
  900. if test "x$CONFDIR" = "x"; then
  901. CONFDIR=`eval echo $sysconfdir/tor`
  902. fi
  903. AC_SUBST(CONFDIR)
  904. AH_TEMPLATE([CONFDIR],[tor's configuration directory])
  905. AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
  906. BINDIR=`eval echo $bindir`
  907. AC_SUBST(BINDIR)
  908. LOCALSTATEDIR=`eval echo $localstatedir`
  909. AC_SUBST(LOCALSTATEDIR)
  910. # Set CFLAGS _after_ all the above checks, since our warnings are stricter
  911. # than autoconf's macros like.
  912. if test "$GCC" = yes; then
  913. CFLAGS="$CFLAGS -Wall -g -O2"
  914. # Disable GCC's strict aliasing checks. They are an hours-to-debug
  915. # accident waiting to happen.
  916. CFLAGS="$CFLAGS -fno-strict-aliasing"
  917. else
  918. CFLAGS="$CFLAGS -g -O"
  919. enable_gcc_warnings=no
  920. enable_gcc_warnings_advisory=no
  921. fi
  922. # Add some more warnings which we use in development but not in the
  923. # released versions. (Some relevant gcc versions can't handle these.)
  924. if test x$enable_gcc_warnings = xyes || test x$enable_gcc_warnings_advisory = xyes; then
  925. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  926. #if !defined(__GNUC__) || (__GNUC__ < 4)
  927. #error
  928. #endif])], have_gcc4=yes, have_gcc4=no)
  929. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  930. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
  931. #error
  932. #endif])], have_gcc42=yes, have_gcc42=no)
  933. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [
  934. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
  935. #error
  936. #endif])], have_gcc43=yes, have_gcc43=no)
  937. save_CFLAGS="$CFLAGS"
  938. CFLAGS="$CFLAGS -Wshorten-64-to-32"
  939. AC_COMPILE_IFELSE([AC_LANG_PROGRAM([], [])], have_shorten64_flag=yes,
  940. have_shorten64_flag=no)
  941. CFLAGS="$save_CFLAGS"
  942. case $host in
  943. *-*-openbsd*)
  944. # Some OpenBSD versions (like 4.8) have -Wsystem-headers by default.
  945. # That's fine, except that the headers don't pass -Wredundant-decls.
  946. # Therefore, let's disable -Wsystem-headers when we're building
  947. # with maximal warnings on OpenBSD.
  948. CFLAGS="$CFLAGS -Wno-system-headers" ;;
  949. esac
  950. CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith"
  951. CFLAGS="$CFLAGS -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings"
  952. CFLAGS="$CFLAGS -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2"
  953. CFLAGS="$CFLAGS -Wwrite-strings -Wmissing-declarations -Wredundant-decls"
  954. CFLAGS="$CFLAGS -Wnested-externs -Wbad-function-cast -Wswitch-enum"
  955. if test x$enable_gcc_warnings = xyes; then
  956. CFLAGS="$CFLAGS -Werror"
  957. fi
  958. # Disabled, so we can use mallinfo(): -Waggregate-return
  959. if test x$have_gcc4 = xyes ; then
  960. # These warnings break gcc 3.3.5 and work on gcc 4.0.2
  961. CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
  962. fi
  963. if test x$have_gcc42 = xyes ; then
  964. # These warnings break gcc 4.0.2 and work on gcc 4.2
  965. # XXXX020 See if any of these work with earlier versions.
  966. CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1"
  967. # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3.
  968. fi
  969. if test x$have_gcc43 = xyes ; then
  970. # These warnings break gcc 4.2 and work on gcc 4.3
  971. # XXXX020 See if any of these work with earlier versions.
  972. CFLAGS="$CFLAGS -Wextra -Warray-bounds"
  973. fi
  974. if test x$have_shorten64_flag = xyes ; then
  975. CFLAGS="$CFLAGS -Wshorten-64-to-32"
  976. fi
  977. ##This will break the world on some 64-bit architectures
  978. # CFLAGS="$CFLAGS -Winline"
  979. fi
  980. CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
  981. AC_CONFIG_FILES([
  982. Doxyfile
  983. Makefile
  984. contrib/Makefile
  985. contrib/suse/Makefile
  986. contrib/suse/tor.sh
  987. contrib/tor.logrotate
  988. contrib/tor.sh
  989. contrib/torctl
  990. contrib/torify
  991. doc/Makefile
  992. doc/spec/Makefile
  993. src/Makefile
  994. src/common/Makefile
  995. src/config/Makefile
  996. src/config/torrc.sample
  997. src/or/Makefile
  998. src/test/Makefile
  999. src/tools/Makefile
  1000. src/tools/tor-fw-helper/Makefile
  1001. src/win32/Makefile
  1002. tor.spec
  1003. ])
  1004. AC_OUTPUT
  1005. if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
  1006. ./contrib/updateVersions.pl
  1007. fi