configure.in 21 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, 0.2.0.13-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../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. AC_ARG_ENABLE(cell-pool,
  23. AS_HELP_STRING(--disable-cell-pool, disable pool allocator for cells))
  24. if test x$enable_cell_pool != xno; then
  25. AC_DEFINE(ENABLE_CELL_POOL, 1,
  26. [Defined if we try to use the pool allocator for queued cells])
  27. fi
  28. AC_ARG_ENABLE(transparent,
  29. AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
  30. [case "${enableval}" in
  31. yes) transparent=true ;;
  32. no) transparent=false ;;
  33. *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
  34. esac], [transparent=true])
  35. AC_ARG_ENABLE(threads,
  36. AS_HELP_STRING(--disable-threads, disable multi-threading support))
  37. if test x$enable_threads = x; then
  38. case $host in
  39. *-*-solaris* )
  40. # Don't try multithreading on solaris -- cpuworkers seem to lock.
  41. AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
  42. cpu workers lock up here, so I will disable threads.])
  43. enable_threads="no";;
  44. *)
  45. enable_threads="yes";;
  46. esac
  47. fi
  48. if test "$enable_threads" = "yes"; then
  49. AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
  50. fi
  51. case $host in
  52. *-*-solaris* )
  53. AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
  54. ;;
  55. esac
  56. AC_ARG_ENABLE(gcc-warnings,
  57. AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
  58. AC_PROG_CC
  59. AC_PROG_CPP
  60. AC_PROG_MAKE_SET
  61. AC_PROG_RANLIB
  62. TORUSER=_tor
  63. AC_ARG_WITH(tor-user,
  64. [ --with-tor-user=NAME Specify username for tor daemon ],
  65. [
  66. TORUSER=$withval
  67. ]
  68. )
  69. AC_SUBST(TORUSER)
  70. TORGROUP=_tor
  71. AC_ARG_WITH(tor-group,
  72. [ --with-tor-group=NAME Specify group name for tor daemon ],
  73. [
  74. TORGROUP=$withval
  75. ]
  76. )
  77. AC_SUBST(TORGROUP)
  78. dnl If WIN32 is defined and non-zero, we are building for win32
  79. AC_MSG_CHECKING([for win32])
  80. AC_RUN_IFELSE([
  81. int main(int c, char **v) {
  82. #ifdef WIN32
  83. #if WIN32
  84. return 0;
  85. #else
  86. return 1;
  87. #endif
  88. #else
  89. return 2;
  90. #endif
  91. }],
  92. bwin32=true; AC_MSG_RESULT([yes]),
  93. bwin32=false; AC_MSG_RESULT([no]),
  94. bwin32=cross; AC_MSG_RESULT([cross])
  95. )
  96. if test "$bwin32" = cross; then
  97. AC_MSG_CHECKING([for win32 (cross)])
  98. AC_COMPILE_IFELSE([
  99. #ifdef WIN32
  100. int main(int c, char **v) {return 0;}
  101. #else
  102. #error
  103. int main(int c, char **v) {return x(y);}
  104. #endif
  105. ],
  106. bwin32=true; AC_MSG_RESULT([yes]),
  107. bwin32=false; AC_MSG_RESULT([no]))
  108. fi
  109. if test "$bwin32" = true; then
  110. AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
  111. fi
  112. AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue)
  113. dnl Enable C99 when compiling with MIPSpro
  114. AC_MSG_CHECKING([for MIPSpro compiler])
  115. AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
  116. #if (defined(__sgi) && defined(_COMPILER_VERSION))
  117. #error
  118. return x(y);
  119. #endif
  120. ]),
  121. bmipspro=false; AC_MSG_RESULT(no),
  122. bmipspro=true; AC_MSG_RESULT(yes))
  123. if test "$bmipspro" = true; then
  124. CFLAGS="$CFLAGS -c99"
  125. fi
  126. AC_C_BIGENDIAN
  127. AC_SEARCH_LIBS(socket, [socket])
  128. AC_SEARCH_LIBS(gethostbyname, [nsl])
  129. AC_SEARCH_LIBS(dlopen, [dl])
  130. AC_SEARCH_LIBS(inet_aton, [resolv])
  131. if test "$enable_threads" = "yes"; then
  132. AC_SEARCH_LIBS(pthread_create, [pthread])
  133. AC_SEARCH_LIBS(pthread_detach, [pthread])
  134. fi
  135. dnl -------------------------------------------------------------------
  136. dnl Check for functions before libevent, since libevent-1.2 apparently
  137. dnl exports strlcpy without defining it in a header.
  138. AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull ftello getaddrinfo localtime_r gmtime_r memmem strtok_r inet_pton inet_ntop mallinfo)
  139. if test "$enable_threads" = "yes"; then
  140. AC_CHECK_HEADERS(pthread.h)
  141. AC_CHECK_FUNCS(pthread_create)
  142. fi
  143. dnl ------------------------------------------------------
  144. dnl Where do you live, libevent? And how do we call you?
  145. if test "$bwin32" = true; then
  146. TOR_LIB_WS32=-lws2_32
  147. # Some of the cargo-cults recommend -lwsock32 as well, but I don't
  148. # think it's actually necessary.
  149. TOR_LIB_GDI=-lgdi32
  150. else
  151. TOR_LIB_WS32=
  152. TOR_LIB_GDI=
  153. fi
  154. AC_SUBST(TOR_LIB_WS32)
  155. AC_SUBST(TOR_LIB_GDI)
  156. dnl We need to do this before we try our disgusting hack below.
  157. AC_CHECK_HEADERS([sys/types.h])
  158. dnl This is a disgusting hack so we safely include older libevent headers.
  159. AC_CHECK_TYPE(u_int64_t, unsigned long long)
  160. AC_CHECK_TYPE(u_int32_t, unsigned long)
  161. AC_CHECK_TYPE(u_int16_t, unsigned short)
  162. AC_CHECK_TYPE(u_int8_t, unsigned char)
  163. tor_libevent_pkg_redhat="libevent"
  164. tor_libevent_pkg_debian="libevent-dev"
  165. tor_libevent_devpkg_redhat="libevent-devel"
  166. tor_libevent_devpkg_debian="libevent-dev"
  167. TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
  168. #include <stdlib.h>
  169. #include <sys/time.h>
  170. #include <sys/types.h>
  171. #include <event.h>], [void exit(int); void *event_init(void);],
  172. [event_init(); exit(0);], [--with-libevent-dir], [/opt/libevent])
  173. dnl Now check for particular libevent functions.
  174. save_LIBS="$LIBS"
  175. save_LDFLAGS="$LDFLAGS"
  176. save_CPPFLAGS="$CPPFLAGS"
  177. LIBS="-levent $TOR_LIB_WS32 $LIBS"
  178. LDFLAGS="$TOR_LDFLAGS_libevent $LIBS"
  179. CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
  180. AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
  181. LIBS="$save_LIBS"
  182. LDFLAGS="$save_LDFLAGS"
  183. CPPFLAGS="$save_CPPFLAGS"
  184. dnl ------------------------------------------------------
  185. dnl Where do you live, openssl? And how do we call you?
  186. tor_openssl_pkg_redhat="openssl"
  187. tor_openssl_pkg_debian="libssl"
  188. tor_openssl_devpkg_redhat="openssl-devel"
  189. tor_openssl_devpkg_debian="libssl-dev"
  190. TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
  191. [#include <openssl/rand.h>],
  192. [void RAND_add(const void *buf, int num, double entropy);],
  193. [RAND_add((void*)0,0,0); exit(0);], [--with-ssl-dir],
  194. [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
  195. dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
  196. dnl ------------------------------------------------------
  197. dnl Where do you live, zlib? And how do we call you?
  198. tor_openssl_pkg_redhat="zlib"
  199. tor_openssl_pkg_debian="zlib1g"
  200. tor_openssl_devpkg_redhat="zlib-devel"
  201. tor_openssl_devpkg_debian="zlib1g-dev"
  202. TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
  203. [#include <zlib.h>],
  204. [const char * zlibVersion(void);],
  205. [zlibVersion(); exit(0);], [--with-zlib-dir],
  206. [/opt/zlib])
  207. dnl Make sure to enable support for large off_t if available.
  208. AC_SYS_LARGEFILE
  209. AC_CHECK_HEADERS(unistd.h string.h signal.h ctype.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
  210. AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h)
  211. dnl These headers are not essential
  212. AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netintet/in.h netinet/in6.h malloc.h sys/syslimits.h)
  213. AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
  214. [#ifdef HAVE_SYS_TYPES_H
  215. #include <sys/types.h>
  216. #endif
  217. #ifdef HAVE_SYS_SOCKET_H
  218. #include <sys/socket.h>
  219. #endif])
  220. AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
  221. [#ifdef HAVE_SYS_TYPES_H
  222. #include <sys/types.h>
  223. #endif
  224. #ifdef HAVE_SYS_SOCKET_H
  225. #include <sys/socket.h>
  226. #endif
  227. #ifdef HAVE_NET_IF_H
  228. #include <net/if.h>
  229. #endif])
  230. AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
  231. linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
  232. [#ifdef HAVE_SYS_TYPES_H
  233. #include <sys/types.h>
  234. #endif
  235. #ifdef HAVE_SYS_SOCKET_H
  236. #include <sys/socket.h>
  237. #endif])
  238. if test x$transparent = xtrue ; then
  239. transparent_ok=0
  240. if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
  241. transparent_ok=1
  242. fi
  243. if test x$linux_netfilter_ipv4 = x1 ; then
  244. transparent_ok=1
  245. fi
  246. if test x$transparent_ok = x1 ; then
  247. AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
  248. case $host in
  249. *-*-openbsd*)
  250. AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
  251. esac
  252. else
  253. AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
  254. fi
  255. fi
  256. AC_FUNC_FSEEKO
  257. AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
  258. [#ifdef HAVE_SYS_TYPES_H
  259. #include <sys/types.h>
  260. #endif
  261. #ifdef HAVE_SYS_TIME_H
  262. #include <sys/time.h>
  263. #endif])
  264. dnl In case we aren't given a working stdint.h, we'll need to grow our own.
  265. dnl Watch out.
  266. AC_CHECK_SIZEOF(int8_t)
  267. AC_CHECK_SIZEOF(int16_t)
  268. AC_CHECK_SIZEOF(int32_t)
  269. AC_CHECK_SIZEOF(int64_t)
  270. AC_CHECK_SIZEOF(uint8_t)
  271. AC_CHECK_SIZEOF(uint16_t)
  272. AC_CHECK_SIZEOF(uint32_t)
  273. AC_CHECK_SIZEOF(uint64_t)
  274. AC_CHECK_SIZEOF(intptr_t)
  275. AC_CHECK_SIZEOF(uintptr_t)
  276. dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
  277. AC_CHECK_SIZEOF(char)
  278. AC_CHECK_SIZEOF(short)
  279. AC_CHECK_SIZEOF(int)
  280. AC_CHECK_SIZEOF(long)
  281. AC_CHECK_SIZEOF(long long)
  282. AC_CHECK_SIZEOF(__int64)
  283. AC_CHECK_SIZEOF(void *)
  284. AC_CHECK_SIZEOF(time_t)
  285. AC_CHECK_SIZEOF(size_t)
  286. AC_CHECK_TYPES([uint, u_char])
  287. AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, struct sockaddr_storage, sa_family_t], , ,
  288. [#ifdef HAVE_SYS_TYPES_H
  289. #include <sys/types.h>
  290. #endif
  291. #ifdef HAVE_NETINET_IN_H
  292. #include <netinet/in.h>
  293. #endif
  294. #ifdef HAVE_NETINET_IN6_H
  295. #include <netinet/in6.h>
  296. #endif
  297. #ifdef HAVE_SYS_SOCKET_H
  298. #include <sys/socket.h>
  299. #endif
  300. #ifdef MS_WINDOWS
  301. #define WIN32_WINNT 0x400
  302. #define _WIN32_WINNT 0x400
  303. #define WIN32_LEAN_AND_MEAN
  304. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  305. #include <winsock.h>
  306. #else
  307. #include <winsock2.h>
  308. #include <ws2tcpip.h>
  309. #endif
  310. #endif
  311. ])
  312. AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16], , ,
  313. [#ifdef HAVE_SYS_TYPES_H
  314. #include <sys/types.h>
  315. #endif
  316. #ifdef HAVE_NETINET_IN_H
  317. #include <netinet/in.h>
  318. #endif
  319. #ifdef HAVE_NETINET_IN6_H
  320. #include <netinet/in6.h>
  321. #endif
  322. #ifdef HAVE_SYS_SOCKET_H
  323. #include <sys/socket.h>
  324. #endif
  325. #ifdef MS_WINDOWS
  326. #define WIN32_WINNT 0x400
  327. #define _WIN32_WINNT 0x400
  328. #define WIN32_LEAN_AND_MEAN
  329. #if defined(_MSC_VER) && (_MSC_VER < 1300)
  330. #include <winsock.h>
  331. #else
  332. #include <winsock2.h>
  333. #include <ws2tcpip.h>
  334. #endif
  335. #endif
  336. ])
  337. AC_CHECK_TYPES([rlim_t], , ,
  338. [#ifdef HAVE_SYS_TYPES_H
  339. #include <sys/types.h>
  340. #endif
  341. #ifdef HAVE_SYS_RESOURCE_H
  342. #include <sys/resource.h>
  343. #endif
  344. ])
  345. if test -z "$CROSS_COMPILE"; then
  346. AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
  347. AC_RUN_IFELSE(AC_LANG_SOURCE([
  348. #ifdef HAVE_SYS_TYPES_H
  349. #include <sys/types.h>
  350. #endif
  351. #ifdef HAVE_SYS_TIME_H
  352. #include <sys/time.h>
  353. #endif
  354. #ifdef HAVE_TIME_H
  355. #include <time.h>
  356. #endif
  357. int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
  358. tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes)
  359. ])
  360. else
  361. # Cross-compiling; let's hope the target platform isn't loony.
  362. AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
  363. tor_cv_time_t_signed=yes
  364. fi
  365. if test "$tor_cv_time_t_signed" = yes; then
  366. AC_DEFINE([TIME_T_IS_SIGNED], 1,
  367. [Define to 1 iff time_t is signed])
  368. fi
  369. AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
  370. #ifdef HAVE_SYS_SOCKET_H
  371. #include <sys/socket.h>
  372. #endif
  373. ])
  374. # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
  375. AC_CHECK_SIZEOF(cell_t)
  376. # Now make sure that NULL can be represented as zero bytes.
  377. if test -z "$CROSS_COMPILE"; then
  378. AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
  379. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  380. [[#include <stdlib.h>
  381. #include <string.h>
  382. #include <stdio.h>
  383. #ifdef HAVE_STDDEF_H
  384. #include <stddef.h>
  385. #endif
  386. int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
  387. return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
  388. [tor_cv_null_is_zero=yes],
  389. [tor_cv_null_is_zero=no],
  390. [tor_cv_null_is_zero=cross])])
  391. else
  392. # Cross-compiling; let's hope that the target isn't raving mad.
  393. AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
  394. tor_cv_null_is_zero=yes
  395. fi
  396. if test "$tor_cv_null_is_zero" = yes; then
  397. AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
  398. [Define to 1 iff memset(0) sets pointers to NULL])
  399. fi
  400. # And what happens when we malloc zero?
  401. if test -z "$CROSS_COMPILE"; then
  402. AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
  403. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  404. [[#include <stdlib.h>
  405. #include <string.h>
  406. #include <stdio.h>
  407. #ifdef HAVE_STDDEF_H
  408. #include <stddef.h>
  409. #endif
  410. int main () { return malloc(0)?0:1; }]])],
  411. [tor_cv_malloc_zero_works=yes],
  412. [tor_cv_malloc_zero_works=no],
  413. [tor_cv_malloc_zero_works=cross])])
  414. else
  415. # Cross-compiling; let's hope that the target isn't raving mad.
  416. AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
  417. tor_cv_malloc_zero_works=no
  418. fi
  419. if test "$tor_cv_malloc_zero_works" = yes; then
  420. AC_DEFINE([MALLOC_ZERO_WORKS], 1,
  421. [Define to 1 iff malloc(0) returns a pointer])
  422. fi
  423. # whether we seem to be in a 2s-complement world.
  424. if test -z "$CROSS_COMPILE"; then
  425. AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
  426. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  427. [[int main () { int problem = ((-99) != (~99)+1);
  428. return problem ? 1 : 0; }]])],
  429. [tor_cv_twos_complement=yes],
  430. [tor_cv_twos_complement=no],
  431. [tor_cv_twos_complement=cross])])
  432. else
  433. # Cross-compiling; let's hope that the target isn't raving mad.
  434. AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
  435. tor_cv_twos_complement=yes
  436. fi
  437. if test "$tor_cv_twos_complement" = yes; then
  438. AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
  439. [Define to 1 iff we represent negative integers with two's complement])
  440. fi
  441. # Whether we should use the dmalloc memory allocation debugging library.
  442. AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
  443. AC_ARG_WITH(dmalloc,
  444. [ --with-dmalloc Use debug memory allocation library. ],
  445. [if [[ "$withval" = "yes" ]]; then
  446. dmalloc=1
  447. AC_MSG_RESULT(yes)
  448. else
  449. dmalloc=1
  450. AC_MSG_RESULT(no)
  451. fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
  452. )
  453. if [[ $dmalloc -eq 1 ]]; then
  454. AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
  455. AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
  456. AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
  457. AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
  458. AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup)
  459. fi
  460. # Allow user to specify an alternate syslog facility
  461. AC_ARG_WITH(syslog-facility,
  462. [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
  463. syslog_facility="$withval", syslog_facility="LOG_DAEMON")
  464. AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
  465. AC_SUBST(LOGFACILITY)
  466. # Check for gethostbyname_r in all its glorious incompatible versions.
  467. # (This logic is based on that in Python's configure.in)
  468. AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
  469. [Define this if you have any gethostbyname_r()])
  470. AC_CHECK_FUNC(gethostbyname_r, [
  471. AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
  472. OLD_CFLAGS=$CFLAGS
  473. CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
  474. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
  475. #include <netdb.h>
  476. ], [[
  477. char *cp1, *cp2;
  478. struct hostent *h1, *h2;
  479. int i1, i2;
  480. (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
  481. ]]),[
  482. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  483. AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
  484. [Define this if gethostbyname_r takes 6 arguments])
  485. AC_MSG_RESULT(6)
  486. ], [
  487. AC_TRY_COMPILE([
  488. #include <netdb.h>
  489. ], [
  490. char *cp1, *cp2;
  491. struct hostent *h1;
  492. int i1, i2;
  493. (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
  494. ], [
  495. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  496. AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
  497. [Define this if gethostbyname_r takes 5 arguments])
  498. AC_MSG_RESULT(5)
  499. ], [
  500. AC_TRY_COMPILE([
  501. #include <netdb.h>
  502. ], [
  503. char *cp1;
  504. struct hostent *h1;
  505. struct hostent_data hd;
  506. (void) gethostbyname_r(cp1,h1,&hd);
  507. ], [
  508. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  509. AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
  510. [Define this if gethostbyname_r takes 3 arguments])
  511. AC_MSG_RESULT(3)
  512. ], [
  513. AC_MSG_RESULT(0)
  514. ])
  515. ])
  516. ])
  517. CFLAGS=$OLD_CFLAGS
  518. ])
  519. AC_CACHE_CHECK([whether the C compiler supports __func__],
  520. tor_cv_have_func_macro,
  521. AC_COMPILE_IFELSE([
  522. #include <stdio.h>
  523. int main(int c, char **v) { puts(__func__); }],
  524. tor_cv_have_func_macro=yes,
  525. tor_cv_have_func_macro=no))
  526. AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
  527. tor_cv_have_FUNC_macro,
  528. AC_COMPILE_IFELSE([
  529. #include <stdio.h>
  530. int main(int c, char **v) { puts(__FUNC__); }],
  531. tor_cv_have_FUNC_macro=yes,
  532. tor_cv_have_FUNC_macro=no))
  533. AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
  534. tor_cv_have_FUNCTION_macro,
  535. AC_COMPILE_IFELSE([
  536. #include <stdio.h>
  537. int main(int c, char **v) { puts(__FUNCTION__); }],
  538. tor_cv_have_FUNCTION_macro=yes,
  539. tor_cv_have_FUNCTION_macro=no))
  540. if test "$tor_cv_have_func_macro" = 'yes'; then
  541. AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
  542. fi
  543. if test "$tor_cv_have_FUNC_macro" = 'yes'; then
  544. AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
  545. fi
  546. if test "$tor_cv_have_FUNCTION_macro" = 'yes'; then
  547. AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
  548. [Defined if the compiler supports __FUNCTION__])
  549. fi
  550. # $prefix stores the value of the --prefix command line option, or
  551. # NONE if the option wasn't set. In the case that it wasn't set, make
  552. # it be the default, so that we can use it to expand directories now.
  553. if test "x$prefix" = "xNONE"; then
  554. prefix=$ac_default_prefix
  555. fi
  556. # and similarly for $exec_prefix
  557. if test "x$exec_prefix" = "xNONE"; then
  558. exec_prefix=$prefix
  559. fi
  560. if test "x$CONFDIR" = "x"; then
  561. CONFDIR=`eval echo $sysconfdir/tor`
  562. fi
  563. AC_SUBST(CONFDIR)
  564. AH_TEMPLATE([CONFDIR],[tor's configuration directory])
  565. AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
  566. BINDIR=`eval echo $bindir`
  567. AC_SUBST(BINDIR)
  568. LOCALSTATEDIR=`eval echo $localstatedir`
  569. AC_SUBST(LOCALSTATEDIR)
  570. # Set CFLAGS _after_ all the above checks, since our warnings are stricter
  571. # than autoconf's macros like.
  572. if test "$ac_cv_c_compiler_gnu" = yes; then
  573. CFLAGS="$CFLAGS -Wall -g -O2"
  574. else
  575. CFLAGS="$CFLAGS -g -O"
  576. enable_gcc_warnings=no
  577. fi
  578. # Add some more warnings which we use in development but not in the
  579. # released versions. (Some relevant gcc versions can't handle these.)
  580. if test x$enable_gcc_warnings = xyes; then
  581. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
  582. #if !defined(__GNUC__) || (__GNUC__ < 4)
  583. #error
  584. #endif]), have_gcc4=yes, have_gcc4=no)
  585. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
  586. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
  587. #error
  588. #endif]), have_gcc42=yes, have_gcc42=no)
  589. CFLAGS="$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"
  590. # Disabled, so we can use mallinfo(): -Waggregate-return
  591. if test x$have_gcc4 = xyes ; then
  592. # These warnings break gcc 3.3.5 and work on gcc 4.0.2
  593. CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
  594. fi
  595. if test x$have_gcc42 = xyes ; then
  596. # These warnings break gcc 4.0.2 and work on gcc 4.2
  597. # XXXX020 Use -fstack-protector.
  598. # XXXX020 See if any of these work with earlier versions.
  599. CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=5"
  600. fi
  601. ##This will break the world on some 64-bit architectures
  602. # CFLAGS="$CFLAGS -Winline"
  603. fi
  604. CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
  605. 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])
  606. AC_OUTPUT
  607. if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
  608. ./contrib/updateVersions.pl
  609. fi