configure.in 20 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, 0.2.0.1-alpha)
  7. AM_CONFIG_HEADER(orconfig.h)
  8. AC_CANONICAL_HOST
  9. if test -f /etc/redhat-release ; then
  10. CFLAGS="$CFLAGS -I/usr/kerberos/include"
  11. fi
  12. AC_ARG_ENABLE(debug,
  13. AS_HELP_STRING(--enable-debug, compile with debugging info),
  14. [if test x$enableval = xyes; then
  15. CFLAGS="$CFLAGS -g"
  16. fi])
  17. AC_ARG_ENABLE(cell-pool,
  18. AS_HELP_STRING(--disable-cell-pool, disable pool allocator for cells))
  19. if test x$enable_cell_pool != xno; then
  20. AC_DEFINE(ENABLE_CELL_POOL, 1,
  21. [Defined if we try to use the pool allocator for queued cells])
  22. fi
  23. AC_ARG_ENABLE(transparent,
  24. AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
  25. [case "${enableval}" in
  26. yes) transparent=true ;;
  27. no) transparent=false ;;
  28. *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
  29. esac], [transparent=true])
  30. AC_ARG_ENABLE(threads,
  31. AS_HELP_STRING(--disable-threads, disable multi-threading support))
  32. if test x$enable_threads = x; then
  33. case $host in
  34. *-*-solaris* )
  35. # Don't try multithreading on solaris -- cpuworkers seem to lock.
  36. AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
  37. cpu workers lock up here, so I will disable threads.])
  38. enable_threads="no";;
  39. *)
  40. enable_threads="yes";;
  41. esac
  42. fi
  43. if test $enable_threads = "yes"; then
  44. AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
  45. fi
  46. case $host in
  47. *-*-solaris* )
  48. AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
  49. ;;
  50. esac
  51. AC_ARG_ENABLE(gcc-warnings,
  52. AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
  53. AC_PROG_CC
  54. AC_PROG_MAKE_SET
  55. AC_PROG_RANLIB
  56. TORUSER=_tor
  57. AC_ARG_WITH(tor-user,
  58. [ --with-tor-user=NAME Specify username for tor daemon ],
  59. [
  60. TORUSER=$withval
  61. ]
  62. )
  63. AC_SUBST(TORUSER)
  64. TORGROUP=_tor
  65. AC_ARG_WITH(tor-group,
  66. [ --with-tor-group=NAME Specify group name for tor daemon ],
  67. [
  68. TORGROUP=$withval
  69. ]
  70. )
  71. AC_SUBST(TORGROUP)
  72. dnl If WIN32 is defined and non-zero, we are building for win32
  73. AC_MSG_CHECKING([for win32])
  74. AC_RUN_IFELSE([
  75. int main(int c, char **v) {
  76. #ifdef WIN32
  77. #if WIN32
  78. return 0;
  79. #else
  80. return 1;
  81. #endif
  82. #else
  83. return 2;
  84. #endif
  85. }],
  86. bwin32=true; AC_MSG_RESULT([yes]),
  87. bwin32=false; AC_MSG_RESULT([no]),
  88. bwin32=cross; AC_MSG_RESULT([cross])
  89. )
  90. if test $bwin32 = cross; then
  91. AC_MSG_CHECKING([for win32 (cross)])
  92. AC_COMPILE_IFELSE([
  93. #ifdef WIN32
  94. int main(int c, char **v) {return 0;}
  95. #else
  96. #error
  97. int main(int c, char **v) {return x(y);}
  98. #endif
  99. ],
  100. bwin32=true; AC_MSG_RESULT([yes]),
  101. bwin32=false; AC_MSG_RESULT([no]))
  102. fi
  103. if test $bwin32 = true; then
  104. AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
  105. fi
  106. dnl Enable C99 when compiling with MIPSpro
  107. AC_MSG_CHECKING([for MIPSpro compiler])
  108. AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
  109. #if (defined(__sgi) && defined(_COMPILER_VERSION))
  110. #error
  111. return x(y);
  112. #endif
  113. ]),
  114. bmipspro=false; AC_MSG_RESULT(no),
  115. bmipspro=true; AC_MSG_RESULT(yes))
  116. if test $bmipspro = true; then
  117. CFLAGS="$CFLAGS -c99"
  118. fi
  119. AC_SEARCH_LIBS(socket, [socket])
  120. AC_SEARCH_LIBS(gethostbyname, [nsl])
  121. AC_SEARCH_LIBS(dlopen, [dl])
  122. AC_SEARCH_LIBS(inet_aton, [resolv])
  123. if test $enable_threads = "yes"; then
  124. AC_SEARCH_LIBS(pthread_create, [pthread])
  125. AC_SEARCH_LIBS(pthread_detach, [pthread])
  126. fi
  127. dnl -------------------------------------------------------------------
  128. dnl Check for functions before libevent, since libevent-1.2 apparently
  129. dnl exports strlcpy without defining it in a header.
  130. 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)
  131. if test $enable_threads = "yes"; then
  132. AC_CHECK_HEADERS(pthread.h)
  133. AC_CHECK_FUNCS(pthread_create)
  134. fi
  135. dnl ------------------------------------------------------
  136. dnl Where do you live, libevent? And how do we call you?
  137. if test $bwin32 = true; then
  138. TOR_LIB_WS32=-lws2_32
  139. # Some of the cargo-cults recommend -lwsock32 as well, but I don't
  140. # think it's actually necessary.
  141. TOR_LIB_GDI=-lgdi32
  142. else
  143. TOR_LIB_WS32=
  144. TOR_LIB_GDI=
  145. fi
  146. AC_SUBST(TOR_LIB_WS32)
  147. AC_SUBST(TOR_LIB_GDI)
  148. dnl This is a disgusting hack so we safely include recent libevent headers.
  149. AC_CHECK_TYPE(u_int64_t, unsigned long long)
  150. AC_CHECK_TYPE(u_int32_t, unsigned long)
  151. AC_CHECK_TYPE(u_int16_t, unsigned short)
  152. AC_CHECK_TYPE(u_int8_t, unsigned char)
  153. tor_libevent_pkg_redhat="libevent"
  154. tor_libevent_pkg_debian="libevent-dev"
  155. tor_libevent_devpkg_redhat="libevent-devel"
  156. tor_libevent_devpkg_debian="libevent-dev"
  157. TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [
  158. #include <stdlib.h>
  159. #include <sys/time.h>
  160. #include <sys/types.h>
  161. #include <event.h>], [void exit(int); void *event_init(void);],
  162. [event_init(); exit(0);], [--with-libevent-dir], [/opt/libevent])
  163. dnl Now check for particular libevent functions.
  164. save_LIBS="$LIBS"
  165. save_LDFLAGS="$LDFLAGS"
  166. save_CPPFLAGS="$CPPFLAGS"
  167. LIBS="-levent $TOR_LIB_WS32 $LIBS"
  168. LDFLAGS="$TOR_LDFLAGS_libevent $LIBS"
  169. CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
  170. AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
  171. LIBS="$save_LIBS"
  172. LDFLAGS="$save_LDFLAGS"
  173. CPPFLAGS="$save_CPPFLAGS"
  174. dnl ------------------------------------------------------
  175. dnl Where do you live, openssl? And how do we call you?
  176. tor_openssl_pkg_redhat="openssl"
  177. tor_openssl_pkg_debian="libssl"
  178. tor_openssl_devpkg_redhat="openssl-devel"
  179. tor_openssl_devpkg_debian="libssl-dev"
  180. TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
  181. [#include <openssl/rand.h>],
  182. [void RAND_add(const void *buf, int num, double entropy);],
  183. [RAND_add((void*)0,0,0); exit(0);], [--with-ssl-dir],
  184. [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl])
  185. dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay()
  186. dnl ------------------------------------------------------
  187. dnl Where do you live, zlib? And how do we call you?
  188. tor_openssl_pkg_redhat="zlib"
  189. tor_openssl_pkg_debian="zlib1g"
  190. tor_openssl_devpkg_redhat="zlib-devel"
  191. tor_openssl_devpkg_debian="zlib1g-dev"
  192. TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
  193. [#include <zlib.h>],
  194. [const char * zlibVersion(void);],
  195. [zlibVersion(); exit(0);], [--with-zlib-dir],
  196. [/opt/zlib])
  197. dnl Make sure to enable support for large off_t if avalable.
  198. AC_SYS_LARGEFILE
  199. AC_CHECK_HEADERS(unistd.h string.h signal.h ctype.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.))
  200. AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h)
  201. dnl These headers are not essential
  202. AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netintet/in.h netinet/in6.h)
  203. AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
  204. [#ifdef HAVE_SYS_TYPES_H
  205. #include <sys/types.h>
  206. #endif
  207. #ifdef HAVE_SYS_SOCKET_H
  208. #include <sys/socket.h>
  209. #endif])
  210. AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
  211. [#ifdef HAVE_SYS_TYPES_H
  212. #include <sys/types.h>
  213. #endif
  214. #ifdef HAVE_SYS_SOCKET_H
  215. #include <sys/socket.h>
  216. #endif
  217. #ifdef HAVE_NET_IF_H
  218. #include <net/if.h>
  219. #endif])
  220. AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
  221. linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
  222. [#ifdef HAVE_SYS_TYPES_H
  223. #include <sys/types.h>
  224. #endif
  225. #ifdef HAVE_SYS_SOCKET_H
  226. #include <sys/socket.h>
  227. #endif])
  228. if test x$transparent = xtrue ; then
  229. transparent_ok=0
  230. if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then
  231. transparent_ok=1
  232. fi
  233. if test x$linux_netfilter_ipv4 = x1 ; then
  234. transparent_ok=1
  235. fi
  236. if test x$transparent_ok = x1 ; then
  237. AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
  238. case $host in
  239. *-*-openbsd*)
  240. AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
  241. esac
  242. else
  243. AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
  244. fi
  245. fi
  246. AC_FUNC_FSEEKO
  247. AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
  248. [#ifdef HAVE_SYS_TYPES_H
  249. #include <sys/types.h>
  250. #endif
  251. #ifdef HAVE_SYS_TIME_H
  252. #include <sys/time.h>
  253. #endif])
  254. dnl In case we aren't given a working stdint.h, we'll need to grow our own.
  255. dnl Watch out.
  256. AC_CHECK_SIZEOF(int8_t)
  257. AC_CHECK_SIZEOF(int16_t)
  258. AC_CHECK_SIZEOF(int32_t)
  259. AC_CHECK_SIZEOF(int64_t)
  260. AC_CHECK_SIZEOF(uint8_t)
  261. AC_CHECK_SIZEOF(uint16_t)
  262. AC_CHECK_SIZEOF(uint32_t)
  263. AC_CHECK_SIZEOF(uint64_t)
  264. AC_CHECK_SIZEOF(intptr_t)
  265. AC_CHECK_SIZEOF(uintptr_t)
  266. dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
  267. AC_CHECK_SIZEOF(char)
  268. AC_CHECK_SIZEOF(short)
  269. AC_CHECK_SIZEOF(int)
  270. AC_CHECK_SIZEOF(long)
  271. AC_CHECK_SIZEOF(long long)
  272. AC_CHECK_SIZEOF(__int64)
  273. AC_CHECK_SIZEOF(void *)
  274. AC_CHECK_SIZEOF(time_t)
  275. AC_CHECK_SIZEOF(size_t)
  276. AC_CHECK_TYPES([uint, u_char])
  277. AC_CHECK_TYPES([struct in6_addr, struct sockaddr_storage], , ,
  278. [#ifdef HAVE_SYS_TYPES_H
  279. #include <sys/types.h>
  280. #endif
  281. #ifdef HAVE_NETINET_IN_H
  282. #include <netinet/in.h>
  283. #endif
  284. #ifdef HAVE_NETINET_IN6_H
  285. #include <netinet/in6.h>
  286. #endif
  287. #ifdef HAVE_SYS_SOCKET_H
  288. #include <sys/socket.h>
  289. #endif])
  290. if test -z "$CROSS_COMPILE"; then
  291. AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
  292. AC_RUN_IFELSE(AC_LANG_SOURCE([
  293. #ifdef HAVE_SYS_TYPES_H
  294. #include <sys/types.h>
  295. #endif
  296. #ifdef HAVE_SYS_TIME_H
  297. #include <sys/time.h>
  298. #endif
  299. #ifdef HAVE_TIME_H
  300. #include <time.h>
  301. #endif
  302. int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
  303. tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes)
  304. ])
  305. else
  306. # Cross-compiling; let's hope the target platform isn't loony.
  307. AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
  308. tor_cv_time_t_signed=yes
  309. fi
  310. if test $tor_cv_time_t_signed = yes; then
  311. AC_DEFINE([TIME_T_IS_SIGNED], 1,
  312. [Define to 1 iff time_t is signed])
  313. fi
  314. AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
  315. #ifdef HAVE_SYS_SOCKET_H
  316. #include <sys/socket.h>
  317. #endif
  318. ])
  319. # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
  320. AC_CHECK_SIZEOF(cell_t)
  321. # Now make sure that NULL can be represented as zero bytes.
  322. if test -z "$CROSS_COMPILE"; then
  323. AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
  324. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  325. [[#include <stdlib.h>
  326. #include <string.h>
  327. #include <stdio.h>
  328. #ifdef HAVE_STDDEF_H
  329. #include <stddef.h>
  330. #endif
  331. int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
  332. return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
  333. [tor_cv_null_is_zero=yes],
  334. [tor_cv_null_is_zero=no],
  335. [tor_cv_null_is_zero=cross])])
  336. else
  337. # Cross-compiling; let's hope that the target isn't raving mad.
  338. AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
  339. tor_cv_null_is_zero=yes
  340. fi
  341. if test $tor_cv_null_is_zero = yes; then
  342. AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
  343. [Define to 1 iff memset(0) sets pointers to NULL])
  344. fi
  345. # And what happens when we malloc zero?
  346. if test -z "$CROSS_COMPILE"; then
  347. AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
  348. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  349. [[#include <stdlib.h>
  350. #include <string.h>
  351. #include <stdio.h>
  352. #ifdef HAVE_STDDEF_H
  353. #include <stddef.h>
  354. #endif
  355. int main () { return malloc(0)?0:1; }]])],
  356. [tor_cv_malloc_zero_works=yes],
  357. [tor_cv_malloc_zero_works=no],
  358. [tor_cv_malloc_zero_works=cross])])
  359. else
  360. # Cross-compiling; let's hope that the target isn't raving mad.
  361. AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
  362. tor_cv_malloc_zero_works=no
  363. fi
  364. if test $tor_cv_malloc_zero_works = yes; then
  365. AC_DEFINE([MALLOC_ZERO_WORKS], 1,
  366. [Define to 1 iff malloc(0) returns a pointer])
  367. fi
  368. # whether we seem to be in a 2s-complement world.
  369. if test -z "$CROSS_COMPILE"; then
  370. AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
  371. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  372. [[int main () { int problem = ((-99) != (~99)+1);
  373. return problem ? 1 : 0; }]])],
  374. [tor_cv_twos_complement=yes],
  375. [tor_cv_twos_complement=no],
  376. [tor_cv_twos_complement=cross])])
  377. else
  378. # Cross-compiling; let's hope that the target isn't raving mad.
  379. AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
  380. tor_cv_twos_complement=yes
  381. fi
  382. if test $tor_cv_twos_complement = yes; then
  383. AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
  384. [Define to 1 iff we represent negative integers with two's complement])
  385. fi
  386. # Whether we should use the dmalloc memory allocation debugging library.
  387. AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
  388. AC_ARG_WITH(dmalloc,
  389. [ --with-dmalloc Use debug memory allocation library. ],
  390. [if [[ "$withval" = "yes" ]]; then
  391. dmalloc=1
  392. AC_MSG_RESULT(yes)
  393. else
  394. dmalloc=1
  395. AC_MSG_RESULT(no)
  396. fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
  397. )
  398. if [[ $dmalloc -eq 1 ]]; then
  399. AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
  400. AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
  401. AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
  402. AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
  403. fi
  404. # Allow user to specify an alternate syslog facility
  405. AC_ARG_WITH(syslog-facility,
  406. [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
  407. syslog_facility="$withval", syslog_facility="LOG_DAEMON")
  408. AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
  409. AC_SUBST(LOGFACILITY)
  410. # Check for gethostbyname_r in all its glorious incompatible versions.
  411. # (This logic is based on that in Python's configure.in)
  412. AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
  413. [Define this if you have any gethostbyname_r()])
  414. AC_CHECK_FUNC(gethostbyname_r, [
  415. AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
  416. OLD_CFLAGS=$CFLAGS
  417. CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
  418. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
  419. #include <netdb.h>
  420. ], [[
  421. char *cp1, *cp2;
  422. struct hostent *h1, *h2;
  423. int i1, i2;
  424. (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
  425. ]]),[
  426. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  427. AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
  428. [Define this if gethostbyname_r takes 6 arguments])
  429. AC_MSG_RESULT(6)
  430. ], [
  431. AC_TRY_COMPILE([
  432. #include <netdb.h>
  433. ], [
  434. char *cp1, *cp2;
  435. struct hostent *h1;
  436. int i1, i2;
  437. (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
  438. ], [
  439. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  440. AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
  441. [Define this if gethostbyname_r takes 5 arguments])
  442. AC_MSG_RESULT(5)
  443. ], [
  444. AC_TRY_COMPILE([
  445. #include <netdb.h>
  446. ], [
  447. char *cp1;
  448. struct hostent *h1;
  449. struct hostent_data hd;
  450. (void) gethostbyname_r(cp1,h1,&hd);
  451. ], [
  452. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  453. AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
  454. [Define this if gethostbyname_r takes 3 arguments])
  455. AC_MSG_RESULT(3)
  456. ], [
  457. AC_MSG_RESULT(0)
  458. ])
  459. ])
  460. ])
  461. CFLAGS=$OLD_CFLAGS
  462. ])
  463. AC_CACHE_CHECK([whether the C compiler supports __func__],
  464. tor_cv_have_func_macro,
  465. AC_COMPILE_IFELSE([
  466. #include <stdio.h>
  467. int main(int c, char **v) { puts(__func__); }],
  468. tor_cv_have_func_macro=yes,
  469. tor_cv_have_func_macro=no))
  470. AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
  471. tor_cv_have_FUNC_macro,
  472. AC_COMPILE_IFELSE([
  473. #include <stdio.h>
  474. int main(int c, char **v) { puts(__FUNC__); }],
  475. tor_cv_have_FUNC_macro=yes,
  476. tor_cv_have_FUNC_macro=no))
  477. AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
  478. tor_cv_have_FUNCTION_macro,
  479. AC_COMPILE_IFELSE([
  480. #include <stdio.h>
  481. int main(int c, char **v) { puts(__FUNCTION__); }],
  482. tor_cv_have_FUNCTION_macro=yes,
  483. tor_cv_have_FUNCTION_macro=no))
  484. if test $tor_cv_have_func_macro = 'yes'; then
  485. AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
  486. fi
  487. if test $tor_cv_have_FUNC_macro = 'yes'; then
  488. AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
  489. fi
  490. if test $tor_cv_have_FUNCTION_macro = 'yes'; then
  491. AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
  492. [Defined if the compiler supports __FUNCTION__])
  493. fi
  494. # $prefix stores the value of the --prefix command line option, or
  495. # NONE if the option wasn't set. In the case that it wasn't set, make
  496. # it be the default, so that we can use it to expand directories now.
  497. if test "x$prefix" = "xNONE"; then
  498. prefix=$ac_default_prefix
  499. fi
  500. # and similarly for $exec_prefix
  501. if test "x$exec_prefix" = "xNONE"; then
  502. exec_prefix=$prefix
  503. fi
  504. if test "x$CONFDIR" = "x"; then
  505. CONFDIR=`eval echo $sysconfdir/tor`
  506. fi
  507. AC_SUBST(CONFDIR)
  508. AH_TEMPLATE([CONFDIR],[tor's configuration directory])
  509. AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
  510. BINDIR=`eval echo $bindir`
  511. AC_SUBST(BINDIR)
  512. LOCALSTATEDIR=`eval echo $localstatedir`
  513. AC_SUBST(LOCALSTATEDIR)
  514. AH_TEMPLATE([LOCALSTATEDIR], [Default location to store state files.])
  515. AC_DEFINE_UNQUOTED(LOCALSTATEDIR,"$LOCALSTATEDIR")
  516. # Set CFLAGS _after_ all the above checks, since our warnings are stricter
  517. # than autoconf's macros like.
  518. if test $ac_cv_c_compiler_gnu = yes; then
  519. CFLAGS="$CFLAGS -Wall -g -O2"
  520. else
  521. CFLAGS="$CFLAGS -g -O"
  522. enable_gcc_warnings=no
  523. fi
  524. # Add some more warnings which we use in the cvs version but not in the
  525. # released versions. (Some relevant gcc versions can't handle these.)
  526. if test x$enable_gcc_warnings = xyes; then
  527. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
  528. #if !defined(__GNUC__) || (__GNUC__ < 4)
  529. #error
  530. #endif]), have_gcc4=yes, have_gcc4=no)
  531. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
  532. #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
  533. #error
  534. #endif]), have_gcc42=yes, have_gcc42=no)
  535. CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Waggregate-return -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
  536. if test x$have_gcc4 = xyes ; then
  537. # These warnings break gcc 3.3.5 and work on gcc 4.0.2
  538. CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
  539. fi
  540. if test x$have_gcc42 = xyes ; then
  541. # These warnings break gcc 4.0.2 and work on gcc 4.2
  542. # XXXX020 Use -fstack-protector.
  543. # XXXX020 See if any of these work with earlier versions.
  544. CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=5"
  545. fi
  546. ##This will break the world on some 64-bit architectures
  547. # CFLAGS="$CFLAGS -Winline"
  548. fi
  549. CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib"
  550. AC_CONFIG_FILES([Makefile tor.spec 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])
  551. AC_OUTPUT
  552. if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
  553. ./contrib/updateVersions.pl
  554. fi