configure.in 22 KB

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  1. dnl $Id$
  2. dnl Copyright (c) 2001-2004, Roger Dingledine
  3. dnl Copyright (c) 2004-2007, Roger Dingledine, Nick Mathewson
  4. dnl See LICENSE for licensing information
  5. AC_INIT
  6. AM_INIT_AUTOMAKE(tor, 0.2.0.18-alpha)
  7. AM_CONFIG_HEADER(orconfig.h)
  8. AC_CANONICAL_HOST
  9. if test -f /etc/redhat-release ; then
  10. if test -f /usr/kerberos/include ; then
  11. CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include"
  12. fi
  13. fi
  14. # Not a no-op; we want to make sure that CPPFLAGS is set before we use
  15. # the += operator on it in src/or/Makefile.am
  16. CPPFLAGS="$CPPFLAGS -I../common"
  17. AC_ARG_ENABLE(debug,
  18. AS_HELP_STRING(--enable-debug, compile with debugging info),
  19. [if test x$enableval = xyes; then
  20. CFLAGS="$CFLAGS -g"
  21. fi])
  22. #XXXX ideally, we should make this into a no-op, and detect whether we're
  23. #compiling for the iphone by using $target.
  24. AC_ARG_ENABLE(iphone,
  25. AS_HELP_STRING(--enable-iphone, compile with iPhone support),
  26. [if test x$enableval = xyes ; then
  27. tor_cv_iphone=true
  28. CFLAGS="$CFLAGS -D__DARWIN_UNIX03 -DIPHONE"
  29. fi])
  30. #XXXX020 We should make these enabled or not, before 0.2.0.x-final
  31. AC_ARG_ENABLE(cell-pool,
  32. AS_HELP_STRING(--disable-cell-pool, disable pool allocator for cells))
  33. AC_ARG_ENABLE(buf-freelists,
  34. AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM))
  35. if test x$enable_cell_pool != xno; then
  36. AC_DEFINE(ENABLE_CELL_POOL, 1,
  37. [Defined if we try to use the pool allocator for queued cells])
  38. fi
  39. if test x$enable_buf_freelists != xno; then
  40. AC_DEFINE(ENABLE_BUF_FREELISTS, 1,
  41. [Defined if we try to use freelists for buffer RAM chunks])
  42. fi
  43. AC_ARG_ENABLE(transparent,
  44. AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
  45. [case "${enableval}" in
  46. yes) transparent=true ;;
  47. no) transparent=false ;;
  48. *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
  49. esac], [transparent=true])
  50. AC_ARG_ENABLE(threads,
  51. AS_HELP_STRING(--disable-threads, disable multi-threading support))
  52. if test x$enable_threads = x; then
  53. case $host in
  54. *-*-solaris* )
  55. # Don't try multithreading on solaris -- cpuworkers seem to lock.
  56. AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
  57. cpu workers lock up here, so I will disable threads.])
  58. enable_threads="no";;
  59. *)
  60. enable_threads="yes";;
  61. esac
  62. fi
  63. if test "$enable_threads" = "yes"; then
  64. AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
  65. fi
  66. case $host in
  67. *-*-solaris* )
  68. AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
  69. ;;
  70. esac
  71. AC_ARG_ENABLE(gcc-warnings,
  72. AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
  73. AC_PROG_CC
  74. AC_PROG_CPP
  75. AC_PROG_MAKE_SET
  76. AC_PROG_RANLIB
  77. TORUSER=_tor
  78. AC_ARG_WITH(tor-user,
  79. [ --with-tor-user=NAME Specify username for tor daemon ],
  80. [
  81. TORUSER=$withval
  82. ]
  83. )
  84. AC_SUBST(TORUSER)
  85. TORGROUP=_tor
  86. AC_ARG_WITH(tor-group,
  87. [ --with-tor-group=NAME Specify group name for tor daemon ],
  88. [
  89. TORGROUP=$withval
  90. ]
  91. )
  92. AC_SUBST(TORGROUP)
  93. dnl If WIN32 is defined and non-zero, we are building for win32
  94. AC_MSG_CHECKING([for win32])
  95. AC_RUN_IFELSE([
  96. int main(int c, char **v) {
  97. #ifdef WIN32
  98. #if WIN32
  99. return 0;
  100. #else
  101. return 1;
  102. #endif
  103. #else
  104. return 2;
  105. #endif
  106. }],
  107. bwin32=true; AC_MSG_RESULT([yes]),
  108. bwin32=false; AC_MSG_RESULT([no]),
  109. bwin32=cross; AC_MSG_RESULT([cross])
  110. )
  111. if test "$bwin32" = cross; then
  112. AC_MSG_CHECKING([for win32 (cross)])
  113. AC_COMPILE_IFELSE([
  114. #ifdef WIN32
  115. int main(int c, char **v) {return 0;}
  116. #else
  117. #error
  118. int main(int c, char **v) {return x(y);}
  119. #endif
  120. ],
  121. bwin32=true; AC_MSG_RESULT([yes]),
  122. bwin32=false; AC_MSG_RESULT([no]))
  123. fi
  124. if test "$bwin32" = true; then
  125. AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
  126. fi
  127. AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
  128. dnl Enable C99 when compiling with MIPSpro
  129. AC_MSG_CHECKING([for MIPSpro compiler])
  130. AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
  131. #if (defined(__sgi) && defined(_COMPILER_VERSION))
  132. #error
  133. return x(y);
  134. #endif
  135. ]),
  136. bmipspro=false; AC_MSG_RESULT(no),
  137. bmipspro=true; AC_MSG_RESULT(yes))
  138. if test "$bmipspro" = true; then
  139. CFLAGS="$CFLAGS -c99"
  140. fi
  141. AC_C_BIGENDIAN
  142. AC_SEARCH_LIBS(socket, [socket])
  143. AC_SEARCH_LIBS(gethostbyname, [nsl])
  144. AC_SEARCH_LIBS(dlopen, [dl])
  145. AC_SEARCH_LIBS(inet_aton, [resolv])
  146. if test "$enable_threads" = "yes"; then
  147. AC_SEARCH_LIBS(pthread_create, [pthread])
  148. AC_SEARCH_LIBS(pthread_detach, [pthread])
  149. fi
  150. dnl -------------------------------------------------------------------
  151. dnl Check for functions before libevent, since libevent-1.2 apparently
  152. dnl exports strlcpy without defining it in a header.
  153. AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull ftello getaddrinfo localtime_r gmtime_r memmem strtok_r inet_pton inet_ntop mallinfo malloc_good_size malloc_usable_size)
  154. if test "$enable_threads" = "yes"; then
  155. AC_CHECK_HEADERS(pthread.h)
  156. AC_CHECK_FUNCS(pthread_create)
  157. fi
  158. dnl ------------------------------------------------------
  159. dnl Where do you live, libevent? And how do we call you?
  160. if test "$bwin32" = true; then
  161. TOR_LIB_WS32=-lws2_32
  162. # Some of the cargo-cults recommend -lwsock32 as well, but I don't
  163. # think it's actually necessary.
  164. TOR_LIB_GDI=-lgdi32
  165. else
  166. TOR_LIB_WS32=
  167. TOR_LIB_GDI=
  168. fi
  169. AC_SUBST(TOR_LIB_WS32)
  170. AC_SUBST(TOR_LIB_GDI)
  171. dnl We need to do this before we try our disgusting hack below.
  172. AC_CHECK_HEADERS([sys/types.h])
  173. dnl This is a disgusting hack so we safely include older libevent headers.
  174. AC_CHECK_TYPE(u_int64_t, unsigned long long)
  175. AC_CHECK_TYPE(u_int32_t, unsigned long)
  176. AC_CHECK_TYPE(u_int16_t, unsigned short)
  177. AC_CHECK_TYPE(u_int8_t, unsigned char)
  178. tor_libevent_pkg_redhat="libevent"
  179. tor_libevent_pkg_debian="libevent-dev"
  180. tor_libevent_devpkg_redhat="libevent-devel"
  181. tor_libevent_devpkg_debian="libevent-dev"
  182. TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
  183. #include <stdlib.h>
  184. #include <sys/time.h>
  185. #include <sys/types.h>
  186. #include <event.h>], [void exit(int); void *event_init(void);],
  187. [event_init(); exit(0);], [--with-libevent-dir], [/opt/libevent])
  188. dnl Now check for particular libevent functions.
  189. save_LIBS="$LIBS"
  190. save_LDFLAGS="$LDFLAGS"
  191. save_CPPFLAGS="$CPPFLAGS"
  192. LIBS="-levent $TOR_LIB_WS32 $LIBS"
  193. LDFLAGS="$TOR_LDFLAGS_libevent $LIBS"
  194. CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
  195. AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
  196. LIBS="$save_LIBS"
  197. LDFLAGS="$save_LDFLAGS"
  198. CPPFLAGS="$save_CPPFLAGS"
  199. dnl ------------------------------------------------------
  200. dnl Where do you live, openssl? And how do we call you?
  201. tor_openssl_pkg_redhat="openssl"
  202. tor_openssl_pkg_debian="libssl"
  203. tor_openssl_devpkg_redhat="openssl-devel"
  204. tor_openssl_devpkg_debian="libssl-dev"
  205. TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
  206. [#include <openssl/rand.h>],
  207. [void RAND_add(const void *buf, int num, double entropy);],
  208. [RAND_add((void*)0,0,0); exit(0);], [--with-ssl-dir],
  209. [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
  210. dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
  211. dnl ------------------------------------------------------
  212. dnl Where do you live, zlib? And how do we call you?
  213. tor_openssl_pkg_redhat="zlib"
  214. tor_openssl_pkg_debian="zlib1g"
  215. tor_openssl_devpkg_redhat="zlib-devel"
  216. tor_openssl_devpkg_debian="zlib1g-dev"
  217. TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
  218. [#include <zlib.h>],
  219. [const char * zlibVersion(void);],
  220. [zlibVersion(); exit(0);], [--with-zlib-dir],
  221. [/opt/zlib])
  222. dnl Make sure to enable support for large off_t if available.
  223. AC_SYS_LARGEFILE
  224. AC_CHECK_HEADERS(unistd.h string.h signal.h ctype.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
  225. AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h)
  226. dnl These headers are not essential
  227. AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netintet/in.h netinet/in6.h malloc.h sys/syslimits.h malloc/malloc.h)
  228. AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
  229. [#ifdef HAVE_SYS_TYPES_H
  230. #include <sys/types.h>
  231. #endif
  232. #ifdef HAVE_SYS_SOCKET_H
  233. #include <sys/socket.h>
  234. #endif])
  235. AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
  236. [#ifdef HAVE_SYS_TYPES_H
  237. #include <sys/types.h>
  238. #endif
  239. #ifdef HAVE_SYS_SOCKET_H
  240. #include <sys/socket.h>
  241. #endif
  242. #ifdef HAVE_NET_IF_H
  243. #include <net/if.h>
  244. #endif])
  245. AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
  246. linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
  247. [#ifdef HAVE_SYS_TYPES_H
  248. #include <sys/types.h>
  249. #endif
  250. #ifdef HAVE_SYS_SOCKET_H
  251. #include <sys/socket.h>
  252. #endif])
  253. if test x$transparent = xtrue ; then
  254. transparent_ok=0
  255. if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
  256. transparent_ok=1
  257. fi
  258. if test x$linux_netfilter_ipv4 = x1 ; then
  259. transparent_ok=1
  260. fi
  261. if test x$transparent_ok = x1 ; then
  262. AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
  263. case $host in
  264. *-*-openbsd*)
  265. AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
  266. esac
  267. else
  268. AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
  269. fi
  270. fi
  271. AC_FUNC_FSEEKO
  272. AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
  273. [#ifdef HAVE_SYS_TYPES_H
  274. #include <sys/types.h>
  275. #endif
  276. #ifdef HAVE_SYS_TIME_H
  277. #include <sys/time.h>
  278. #endif])
  279. dnl In case we aren't given a working stdint.h, we'll need to grow our own.
  280. dnl Watch out.
  281. AC_CHECK_SIZEOF(int8_t)
  282. AC_CHECK_SIZEOF(int16_t)
  283. AC_CHECK_SIZEOF(int32_t)
  284. AC_CHECK_SIZEOF(int64_t)
  285. AC_CHECK_SIZEOF(uint8_t)
  286. AC_CHECK_SIZEOF(uint16_t)
  287. AC_CHECK_SIZEOF(uint32_t)
  288. AC_CHECK_SIZEOF(uint64_t)
  289. AC_CHECK_SIZEOF(intptr_t)
  290. AC_CHECK_SIZEOF(uintptr_t)
  291. dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
  292. AC_CHECK_SIZEOF(char)
  293. AC_CHECK_SIZEOF(short)
  294. AC_CHECK_SIZEOF(int)
  295. AC_CHECK_SIZEOF(long)
  296. AC_CHECK_SIZEOF(long long)
  297. AC_CHECK_SIZEOF(__int64)
  298. AC_CHECK_SIZEOF(void *)
  299. AC_CHECK_SIZEOF(time_t)
  300. AC_CHECK_SIZEOF(size_t)
  301. AC_CHECK_TYPES([uint, u_char])
  302. AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, struct sockaddr_storage, sa_family_t], , ,
  303. [#ifdef HAVE_SYS_TYPES_H
  304. #include <sys/types.h>
  305. #endif
  306. #ifdef HAVE_NETINET_IN_H
  307. #include <netinet/in.h>
  308. #endif
  309. #ifdef HAVE_NETINET_IN6_H
  310. #include <netinet/in6.h>
  311. #endif
  312. #ifdef HAVE_SYS_SOCKET_H
  313. #include <sys/socket.h>
  314. #endif
  315. #ifdef MS_WINDOWS
  316. #define WIN32_WINNT 0x400
  317. #define _WIN32_WINNT 0x400
  318. #define WIN32_LEAN_AND_MEAN
  319. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  320. #include <winsock.h>
  321. #else
  322. #include <winsock2.h>
  323. #include <ws2tcpip.h>
  324. #endif
  325. #endif
  326. ])
  327. AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16], , ,
  328. [#ifdef HAVE_SYS_TYPES_H
  329. #include <sys/types.h>
  330. #endif
  331. #ifdef HAVE_NETINET_IN_H
  332. #include <netinet/in.h>
  333. #endif
  334. #ifdef HAVE_NETINET_IN6_H
  335. #include <netinet/in6.h>
  336. #endif
  337. #ifdef HAVE_SYS_SOCKET_H
  338. #include <sys/socket.h>
  339. #endif
  340. #ifdef MS_WINDOWS
  341. #define WIN32_WINNT 0x400
  342. #define _WIN32_WINNT 0x400
  343. #define WIN32_LEAN_AND_MEAN
  344. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  345. #include <winsock.h>
  346. #else
  347. #include <winsock2.h>
  348. #include <ws2tcpip.h>
  349. #endif
  350. #endif
  351. ])
  352. AC_CHECK_TYPES([rlim_t], , ,
  353. [#ifdef HAVE_SYS_TYPES_H
  354. #include <sys/types.h>
  355. #endif
  356. #ifdef HAVE_SYS_TIME_H
  357. #include <sys/time.h>
  358. #endif
  359. #ifdef HAVE_SYS_RESOURCE_H
  360. #include <sys/resource.h>
  361. #endif
  362. ])
  363. AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
  364. AC_RUN_IFELSE(AC_LANG_SOURCE([
  365. #ifdef HAVE_SYS_TYPES_H
  366. #include <sys/types.h>
  367. #endif
  368. #ifdef HAVE_SYS_TIME_H
  369. #include <sys/time.h>
  370. #endif
  371. #ifdef HAVE_TIME_H
  372. #include <time.h>
  373. #endif
  374. int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
  375. tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes, tor_cv_time_t_signed=cross)
  376. ])
  377. if test "$tor_cv_time_t_signed" = cross; then
  378. AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
  379. fi
  380. if test "$tor_cv_time_t_signed" != no; then
  381. AC_DEFINE([TIME_T_IS_SIGNED], 1,
  382. [Define to 1 iff time_t is signed])
  383. fi
  384. AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
  385. #ifdef HAVE_SYS_SOCKET_H
  386. #include <sys/socket.h>
  387. #endif
  388. ])
  389. # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
  390. AC_CHECK_SIZEOF(cell_t)
  391. # Now make sure that NULL can be represented as zero bytes.
  392. AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
  393. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  394. [[#include <stdlib.h>
  395. #include <string.h>
  396. #include <stdio.h>
  397. #ifdef HAVE_STDDEF_H
  398. #include <stddef.h>
  399. #endif
  400. int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
  401. return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
  402. [tor_cv_null_is_zero=yes],
  403. [tor_cv_null_is_zero=no],
  404. [tor_cv_null_is_zero=cross])])
  405. if test "$tor_cv_null_is_zero" = cross ; then
  406. # Cross-compiling; let's hope that the target isn't raving mad.
  407. AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
  408. fi
  409. if test "$tor_cv_null_is_zero" != no; then
  410. AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
  411. [Define to 1 iff memset(0) sets pointers to NULL])
  412. fi
  413. # And what happens when we malloc zero?
  414. AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
  415. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  416. [[#include <stdlib.h>
  417. #include <string.h>
  418. #include <stdio.h>
  419. #ifdef HAVE_STDDEF_H
  420. #include <stddef.h>
  421. #endif
  422. int main () { return malloc(0)?0:1; }]])],
  423. [tor_cv_malloc_zero_works=yes],
  424. [tor_cv_malloc_zero_works=no],
  425. [tor_cv_malloc_zero_works=cross])])
  426. if test "$tor_cv_malloc_zero_works" = cross; then
  427. # Cross-compiling; let's hope that the target isn't raving mad.
  428. AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
  429. fi
  430. if test "$tor_cv_malloc_zero_works" = yes; then
  431. AC_DEFINE([MALLOC_ZERO_WORKS], 1,
  432. [Define to 1 iff malloc(0) returns a pointer])
  433. fi
  434. # whether we seem to be in a 2s-complement world.
  435. AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
  436. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  437. [[int main () { int problem = ((-99) != (~99)+1);
  438. return problem ? 1 : 0; }]])],
  439. [tor_cv_twos_complement=yes],
  440. [tor_cv_twos_complement=no],
  441. [tor_cv_twos_complement=cross])])
  442. if test "$tor_cv_twos_complement" = cross ; then
  443. # Cross-compiling; let's hope that the target isn't raving mad.
  444. AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
  445. fi
  446. if test "$tor_cv_twos_complement" != no ; then
  447. AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
  448. [Define to 1 iff we represent negative integers with two's complement])
  449. fi
  450. # Whether we should use the dmalloc memory allocation debugging library.
  451. AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
  452. AC_ARG_WITH(dmalloc,
  453. [ --with-dmalloc Use debug memory allocation library. ],
  454. [if [[ "$withval" = "yes" ]]; then
  455. dmalloc=1
  456. AC_MSG_RESULT(yes)
  457. else
  458. dmalloc=1
  459. AC_MSG_RESULT(no)
  460. fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
  461. )
  462. if [[ $dmalloc -eq 1 ]]; then
  463. AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
  464. AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
  465. AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
  466. AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
  467. AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
  468. fi
  469. # Allow user to specify an alternate syslog facility
  470. AC_ARG_WITH(syslog-facility,
  471. [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
  472. syslog_facility="$withval", syslog_facility="LOG_DAEMON")
  473. AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
  474. AC_SUBST(LOGFACILITY)
  475. # Check for gethostbyname_r in all its glorious incompatible versions.
  476. # (This logic is based on that in Python's configure.in)
  477. AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
  478. [Define this if you have any gethostbyname_r()])
  479. AC_CHECK_FUNC(gethostbyname_r, [
  480. AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
  481. OLD_CFLAGS=$CFLAGS
  482. CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
  483. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
  484. #include <netdb.h>
  485. ], [[
  486. char *cp1, *cp2;
  487. struct hostent *h1, *h2;
  488. int i1, i2;
  489. (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
  490. ]]),[
  491. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  492. AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
  493. [Define this if gethostbyname_r takes 6 arguments])
  494. AC_MSG_RESULT(6)
  495. ], [
  496. AC_TRY_COMPILE([
  497. #include <netdb.h>
  498. ], [
  499. char *cp1, *cp2;
  500. struct hostent *h1;
  501. int i1, i2;
  502. (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
  503. ], [
  504. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  505. AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
  506. [Define this if gethostbyname_r takes 5 arguments])
  507. AC_MSG_RESULT(5)
  508. ], [
  509. AC_TRY_COMPILE([
  510. #include <netdb.h>
  511. ], [
  512. char *cp1;
  513. struct hostent *h1;
  514. struct hostent_data hd;
  515. (void) gethostbyname_r(cp1,h1,&hd);
  516. ], [
  517. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  518. AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
  519. [Define this if gethostbyname_r takes 3 arguments])
  520. AC_MSG_RESULT(3)
  521. ], [
  522. AC_MSG_RESULT(0)
  523. ])
  524. ])
  525. ])
  526. CFLAGS=$OLD_CFLAGS
  527. ])
  528. AC_CACHE_CHECK([whether the C compiler supports __func__],
  529. tor_cv_have_func_macro,
  530. AC_COMPILE_IFELSE([
  531. #include <stdio.h>
  532. int main(int c, char **v) { puts(__func__); }],
  533. tor_cv_have_func_macro=yes,
  534. tor_cv_have_func_macro=no))
  535. AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
  536. tor_cv_have_FUNC_macro,
  537. AC_COMPILE_IFELSE([
  538. #include <stdio.h>
  539. int main(int c, char **v) { puts(__FUNC__); }],
  540. tor_cv_have_FUNC_macro=yes,
  541. tor_cv_have_FUNC_macro=no))
  542. AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
  543. tor_cv_have_FUNCTION_macro,
  544. AC_COMPILE_IFELSE([
  545. #include <stdio.h>
  546. int main(int c, char **v) { puts(__FUNCTION__); }],
  547. tor_cv_have_FUNCTION_macro=yes,
  548. tor_cv_have_FUNCTION_macro=no))
  549. if test "$tor_cv_have_func_macro" = 'yes'; then
  550. AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
  551. fi
  552. if test "$tor_cv_have_FUNC_macro" = 'yes'; then
  553. AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
  554. fi
  555. if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
  556. AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
  557. [Defined if the compiler supports __FUNCTION__])
  558. fi
  559. # $prefix stores the value of the --prefix command line option, or
  560. # NONE if the option wasn't set. In the case that it wasn't set, make
  561. # it be the default, so that we can use it to expand directories now.
  562. if test "x$prefix" = "xNONE"; then
  563. prefix=$ac_default_prefix
  564. fi
  565. # and similarly for $exec_prefix
  566. if test "x$exec_prefix" = "xNONE"; then
  567. exec_prefix=$prefix
  568. fi
  569. if test "x$CONFDIR" = "x"; then
  570. CONFDIR=`eval echo $sysconfdir/tor`
  571. fi
  572. AC_SUBST(CONFDIR)
  573. AH_TEMPLATE([CONFDIR],[tor's configuration directory])
  574. AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
  575. BINDIR=`eval echo $bindir`
  576. AC_SUBST(BINDIR)
  577. LOCALSTATEDIR=`eval echo $localstatedir`
  578. AC_SUBST(LOCALSTATEDIR)
  579. # Set CFLAGS _after_ all the above checks, since our warnings are stricter
  580. # than autoconf's macros like.
  581. if test "$ac_cv_c_compiler_gnu" = yes; then
  582. CFLAGS="$CFLAGS -Wall -g -O2"
  583. else
  584. CFLAGS="$CFLAGS -g -O"
  585. enable_gcc_warnings=no
  586. fi
  587. # Add some more warnings which we use in development but not in the
  588. # released versions. (Some relevant gcc versions can't handle these.)
  589. if test x$enable_gcc_warnings = xyes; then
  590. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
  591. #if !defined(__GNUC__) || (__GNUC__ < 4)
  592. #error
  593. #endif]), have_gcc4=yes, have_gcc4=no)
  594. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
  595. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
  596. #error
  597. #endif]), have_gcc42=yes, have_gcc42=no)
  598. CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
  599. # Disabled, so we can use mallinfo(): -Waggregate-return
  600. if test x$have_gcc4 = xyes ; then
  601. # These warnings break gcc 3.3.5 and work on gcc 4.0.2
  602. CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
  603. fi
  604. if test x$have_gcc42 = xyes ; then
  605. # These warnings break gcc 4.0.2 and work on gcc 4.2
  606. # XXXX020 Use -fstack-protector.
  607. # XXXX020 See if any of these work with earlier versions.
  608. CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=5"
  609. fi
  610. ##This will break the world on some 64-bit architectures
  611. # CFLAGS="$CFLAGS -Winline"
  612. fi
  613. CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
  614. AC_CONFIG_FILES([Makefile tor.spec Doxyfile contrib/tor.sh contrib/torctl contrib/torify contrib/tor.logrotate contrib/Makefile contrib/osx/Makefile contrib/osx/TorBundleDesc.plist contrib/osx/TorBundleInfo.plist contrib/osx/TorDesc.plist contrib/osx/TorInfo.plist contrib/osx/TorStartupDesc.plist src/config/torrc.sample doc/tor.1 src/Makefile doc/Makefile doc/design-paper/Makefile doc/spec/Makefile src/config/Makefile src/common/Makefile src/or/Makefile src/win32/Makefile src/tools/Makefile contrib/suse/Makefile contrib/suse/tor.sh])
  615. AC_OUTPUT
  616. if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
  617. ./contrib/updateVersions.pl
  618. fi