configure.in 18 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, 0.2.0.0-alpha-dev)
  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="$CFLAGS -g"
  16. fi])
  17. AC_ARG_ENABLE(transparent,
  18. AS_HELP_STRING(--disable-transparent, disable transparent proxy support),
  19. [case "${enableval}" in
  20. yes) transparent=true ;;
  21. no) transparent=false ;;
  22. *) AC_MSG_ERROR(bad value for --enable-transparent) ;;
  23. esac], [transparent=true])
  24. AC_ARG_ENABLE(threads,
  25. AS_HELP_STRING(--disable-threads, disable multi-threading support))
  26. if test x$enable_threads = x; then
  27. case $host in
  28. *-*-solaris* )
  29. # Don't try multithreading on solaris -- cpuworkers seem to lock.
  30. AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes
  31. cpu workers lock up here, so I will disable threads.])
  32. enable_threads="no";;
  33. *)
  34. enable_threads="yes";;
  35. esac
  36. fi
  37. if test $enable_threads = "yes"; then
  38. AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading])
  39. fi
  40. case $host in
  41. *-*-solaris* )
  42. AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h])
  43. ;;
  44. esac
  45. AC_ARG_ENABLE(gcc-warnings,
  46. AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings))
  47. AC_PROG_CC
  48. AC_PROG_MAKE_SET
  49. AC_PROG_RANLIB
  50. # The big search for OpenSSL
  51. # copied from openssh's configure.ac
  52. tryssldir=""
  53. AC_ARG_WITH(ssl-dir,
  54. [ --with-ssl-dir=PATH Specify path to OpenSSL installation ],
  55. [
  56. if test "x$withval" != "xno" ; then
  57. tryssldir=$withval
  58. fi
  59. ]
  60. )
  61. trylibeventdir=""
  62. AC_ARG_WITH(libevent-dir,
  63. [ --with-libevent-dir=PATH Specify path to Libevent installation ],
  64. [
  65. if test "x$withval" != "xno" ; then
  66. trylibeventdir=$withval
  67. fi
  68. ]
  69. )
  70. TORUSER=_tor
  71. AC_ARG_WITH(tor-user,
  72. [ --with-tor-user=NAME Specify username for tor daemon ],
  73. [
  74. TORUSER=$withval
  75. ]
  76. )
  77. AC_SUBST(TORUSER)
  78. TORGROUP=_tor
  79. AC_ARG_WITH(tor-group,
  80. [ --with-tor-group=NAME Specify group name for tor daemon ],
  81. [
  82. TORGROUP=$withval
  83. ]
  84. )
  85. AC_SUBST(TORGROUP)
  86. dnl If WIN32 is defined and non-zero, we are building for win32
  87. AC_MSG_CHECKING([for win32])
  88. AC_RUN_IFELSE([
  89. int main(int c, char **v) {
  90. #ifdef WIN32
  91. #if WIN32
  92. return 0;
  93. #else
  94. return 1;
  95. #endif
  96. #else
  97. return 2;
  98. #endif
  99. }],
  100. bwin32=true; AC_MSG_RESULT([yes]),
  101. bwin32=false; AC_MSG_RESULT([no]),
  102. bwin32=cross; AC_MSG_RESULT([cross])
  103. )
  104. if test $bwin32 = cross; then
  105. AC_MSG_CHECKING([for win32 (cross)])
  106. AC_COMPILE_IFELSE([
  107. #ifdef WIN32
  108. int main(int c, char **v) {return 0;}
  109. #else
  110. #error
  111. int main(int c, char **v) {return x(y);}
  112. #endif
  113. ],
  114. bwin32=true; AC_MSG_RESULT([yes]),
  115. bwin32=false; AC_MSG_RESULT([no]))
  116. fi
  117. if test $bwin32 = true; then
  118. AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.])
  119. fi
  120. dnl Enable C99 when compiling with MIPSpro
  121. AC_MSG_CHECKING([for MIPSpro compiler])
  122. AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [
  123. #if (defined(__sgi) && defined(_COMPILER_VERSION))
  124. #error
  125. return x(y);
  126. #endif
  127. ]),
  128. bmipspro=false; AC_MSG_RESULT(no),
  129. bmipspro=true; AC_MSG_RESULT(yes))
  130. if test $bmipspro = true; then
  131. CFLAGS="$CFLAGS -c99"
  132. fi
  133. AC_SEARCH_LIBS(socket, [socket])
  134. AC_SEARCH_LIBS(gethostbyname, [nsl])
  135. AC_SEARCH_LIBS(dlopen, [dl])
  136. AC_SEARCH_LIBS(inet_aton, [resolv])
  137. if test $enable_threads = "yes"; then
  138. AC_SEARCH_LIBS(pthread_create, [pthread])
  139. AC_SEARCH_LIBS(pthread_detach, [pthread])
  140. fi
  141. dnl -------------------------------------------------------------------
  142. dnl Check for functions before libevent, since libevent-1.2 apparently
  143. dnl exports strlcpy without defining it in a header.
  144. AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull ftello getaddrinfo localtime_r gmtime_r memmem strtok_r)
  145. if test $enable_threads = "yes"; then
  146. AC_CHECK_HEADERS(pthread.h)
  147. AC_CHECK_FUNCS(pthread_create)
  148. fi
  149. dnl ------------------------------------------------------
  150. dnl Where do you live, libevent? And how do we call you?
  151. if test $bwin32 = true; then
  152. WS32lib=-lws2_32
  153. GDIlib=-lgdi32
  154. else
  155. W32lib=
  156. GDIlib=
  157. fi
  158. dnl This is a disgusting hack so we safely include recent 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. if test $bwin32 = true; then
  164. WS32lib=-lws2_32
  165. GDIlib=-lgdi32
  166. else
  167. W32lib=
  168. GDIlib=
  169. fi
  170. TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $WS32lib], [
  171. #include <stdlib.h>
  172. #include <sys/time.h>
  173. #include <sys/types.h>
  174. #include <event.h>], [void exit(int); void *event_init(void);],
  175. [event_init(); exit(0);], [--with-libevent-dir], [/opt/libevent])
  176. dnl Now check for particular libevent functions.
  177. AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
  178. dnl ------------------------------------------------------
  179. dnl Where do you live, openssl? And how do we call you?
  180. TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $GDIlib],
  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 Make sure to enable support for large off_t if avalable.
  187. AC_SYS_LARGEFILE
  188. dnl The warning message here is no longer strictly accurate.
  189. 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))
  190. AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h)
  191. AC_CHECK_HEADERS(zlib.h, , AC_MSG_ERROR(Zlib header (zlib.h) not found. Tor requires zlib to build. You may need to install a zlib development package.))
  192. dnl These headers are not essential
  193. 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)
  194. AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
  195. [#ifdef HAVE_SYS_TYPES_H
  196. #include <sys/types.h>
  197. #endif
  198. #ifdef HAVE_SYS_SOCKET_H
  199. #include <sys/socket.h>
  200. #endif])
  201. AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
  202. [#ifdef HAVE_SYS_TYPES_H
  203. #include <sys/types.h>
  204. #endif
  205. #ifdef HAVE_SYS_SOCKET_H
  206. #include <sys/socket.h>
  207. #endif
  208. #ifdef HAVE_NET_IF_H
  209. #include <net/if.h>
  210. #endif])
  211. AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
  212. linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
  213. [#ifdef HAVE_SYS_TYPES_H
  214. #include <sys/types.h>
  215. #endif
  216. #ifdef HAVE_SYS_SOCKET_H
  217. #include <sys/socket.h>
  218. #endif])
  219. if test x$transparent = xtrue ; then
  220. transparent_ok=0
  221. if test x$net_if_found = x1 -a x$net_pfvar_found = x1 ; then
  222. transparent_ok=1
  223. fi
  224. if test x$linux_netfilter_ipv4 = x1 ; then
  225. transparent_ok=1
  226. fi
  227. if test x$transparent_ok = x1 ; then
  228. AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support")
  229. case $host in
  230. *-*-openbsd*)
  231. AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;;
  232. esac
  233. else
  234. AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.])
  235. fi
  236. fi
  237. AC_FUNC_FSEEKO
  238. AC_CHECK_MEMBERS([struct timeval.tv_sec], , ,
  239. [#ifdef HAVE_SYS_TYPES_H
  240. #include <sys/types.h>
  241. #endif
  242. #ifdef HAVE_SYS_TIME_H
  243. #include <sys/time.h>
  244. #endif])
  245. dnl In case we aren't given a working stdint.h, we'll need to grow our own.
  246. dnl Watch out.
  247. AC_CHECK_SIZEOF(int8_t)
  248. AC_CHECK_SIZEOF(int16_t)
  249. AC_CHECK_SIZEOF(int32_t)
  250. AC_CHECK_SIZEOF(int64_t)
  251. AC_CHECK_SIZEOF(uint8_t)
  252. AC_CHECK_SIZEOF(uint16_t)
  253. AC_CHECK_SIZEOF(uint32_t)
  254. AC_CHECK_SIZEOF(uint64_t)
  255. AC_CHECK_SIZEOF(intptr_t)
  256. AC_CHECK_SIZEOF(uintptr_t)
  257. dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
  258. AC_CHECK_SIZEOF(char)
  259. AC_CHECK_SIZEOF(short)
  260. AC_CHECK_SIZEOF(int)
  261. AC_CHECK_SIZEOF(long)
  262. AC_CHECK_SIZEOF(long long)
  263. AC_CHECK_SIZEOF(__int64)
  264. AC_CHECK_SIZEOF(void *)
  265. AC_CHECK_SIZEOF(time_t)
  266. AC_CHECK_SIZEOF(size_t)
  267. AC_CHECK_TYPES([uint, u_char])
  268. AC_CHECK_TYPES([struct in6_addr, struct sockaddr_storage], , ,
  269. [#ifdef HAVE_SYS_TYPES_H
  270. #include <sys/types.h>
  271. #endif
  272. #ifdef HAVE_NETINET_IN_H
  273. #include <netinet/in.h>
  274. #endif
  275. #ifdef HAVE_NETINET_IN6_H
  276. #include <netinet/in6.h>
  277. #endif
  278. #ifdef HAVE_SYS_SOCKET_H
  279. #include <sys/socket.h>
  280. #endif])
  281. if test -z "$CROSS_COMPILE"; then
  282. AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [
  283. AC_RUN_IFELSE(AC_LANG_SOURCE([
  284. #ifdef HAVE_SYS_TYPES_H
  285. #include <sys/types.h>
  286. #endif
  287. #ifdef HAVE_SYS_TIME_H
  288. #include <sys/time.h>
  289. #endif
  290. #ifdef HAVE_TIME_H
  291. #include <time.h>
  292. #endif
  293. int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }]),
  294. tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes)
  295. ])
  296. else
  297. # Cross-compiling; let's hope the target platform isn't loony.
  298. AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.])
  299. tor_cv_time_t_signed=yes
  300. fi
  301. if test $tor_cv_time_t_signed = yes; then
  302. AC_DEFINE([TIME_T_IS_SIGNED], 1,
  303. [Define to 1 iff time_t is signed])
  304. fi
  305. AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
  306. #ifdef HAVE_SYS_SOCKET_H
  307. #include <sys/socket.h>
  308. #endif
  309. ])
  310. # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
  311. AC_CHECK_SIZEOF(cell_t)
  312. # Now make sure that NULL can be represented as zero bytes.
  313. if test -z "$CROSS_COMPILE"; then
  314. AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
  315. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  316. [[#include <stdlib.h>
  317. #include <string.h>
  318. #include <stdio.h>
  319. #ifdef HAVE_STDDEF_H
  320. #include <stddef.h>
  321. #endif
  322. int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
  323. return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
  324. [tor_cv_null_is_zero=yes],
  325. [tor_cv_null_is_zero=no],
  326. [tor_cv_null_is_zero=cross])])
  327. else
  328. # Cross-compiling; let's hope that the target isn't raving mad.
  329. AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.])
  330. tor_cv_null_is_zero=yes
  331. fi
  332. if test $tor_cv_null_is_zero = yes; then
  333. AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
  334. [Define to 1 iff memset(0) sets pointers to NULL])
  335. fi
  336. # And what happens when we malloc zero?
  337. if test -z "$CROSS_COMPILE"; then
  338. AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
  339. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  340. [[#include <stdlib.h>
  341. #include <string.h>
  342. #include <stdio.h>
  343. #ifdef HAVE_STDDEF_H
  344. #include <stddef.h>
  345. #endif
  346. int main () { return malloc(0)?0:1; }]])],
  347. [tor_cv_malloc_zero_works=yes],
  348. [tor_cv_malloc_zero_works=no],
  349. [tor_cv_malloc_zero_works=cross])])
  350. else
  351. # Cross-compiling; let's hope that the target isn't raving mad.
  352. AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.])
  353. tor_cv_malloc_zero_works=no
  354. fi
  355. if test $tor_cv_malloc_zero_works = yes; then
  356. AC_DEFINE([MALLOC_ZERO_WORKS], 1,
  357. [Define to 1 iff malloc(0) returns a pointer])
  358. fi
  359. # whether we seem to be in a 2s-complement world.
  360. if test -z "$CROSS_COMPILE"; then
  361. AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement,
  362. [AC_RUN_IFELSE([AC_LANG_SOURCE(
  363. [[int main () { int problem = ((-99) != (~99)+1);
  364. return problem ? 1 : 0; }]])],
  365. [tor_cv_twos_complement=yes],
  366. [tor_cv_twos_complement=no],
  367. [tor_cv_twos_complement=cross])])
  368. else
  369. # Cross-compiling; let's hope that the target isn't raving mad.
  370. AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.])
  371. tor_cv_twos_complement=yes
  372. fi
  373. if test $tor_cv_twos_complement = yes; then
  374. AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
  375. [Define to 1 iff we represent negative integers with two's complement])
  376. fi
  377. # Whether we should use the dmalloc memory allocation debugging library.
  378. AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
  379. AC_ARG_WITH(dmalloc,
  380. [ --with-dmalloc Use debug memory allocation library. ],
  381. [if [[ "$withval" = "yes" ]]; then
  382. dmalloc=1
  383. AC_MSG_RESULT(yes)
  384. else
  385. dmalloc=1
  386. AC_MSG_RESULT(no)
  387. fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
  388. )
  389. if [[ $dmalloc -eq 1 ]]; then
  390. AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
  391. AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
  392. AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
  393. AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
  394. fi
  395. # Allow user to specify an alternate syslog facility
  396. AC_ARG_WITH(syslog-facility,
  397. [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)],
  398. syslog_facility="$withval", syslog_facility="LOG_DAEMON")
  399. AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility])
  400. AC_SUBST(LOGFACILITY)
  401. # Check for gethostbyname_r in all its glorious incompatible versions.
  402. # (This logic is based on that in Python's configure.in)
  403. AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
  404. [Define this if you have any gethostbyname_r()])
  405. AC_CHECK_FUNC(gethostbyname_r, [
  406. AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
  407. OLD_CFLAGS=$CFLAGS
  408. CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
  409. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
  410. #include <netdb.h>
  411. ], [[
  412. char *cp1, *cp2;
  413. struct hostent *h1, *h2;
  414. int i1, i2;
  415. (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
  416. ]]),[
  417. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  418. AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
  419. [Define this if gethostbyname_r takes 6 arguments])
  420. AC_MSG_RESULT(6)
  421. ], [
  422. AC_TRY_COMPILE([
  423. #include <netdb.h>
  424. ], [
  425. char *cp1, *cp2;
  426. struct hostent *h1;
  427. int i1, i2;
  428. (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
  429. ], [
  430. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  431. AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
  432. [Define this if gethostbyname_r takes 5 arguments])
  433. AC_MSG_RESULT(5)
  434. ], [
  435. AC_TRY_COMPILE([
  436. #include <netdb.h>
  437. ], [
  438. char *cp1;
  439. struct hostent *h1;
  440. struct hostent_data hd;
  441. (void) gethostbyname_r(cp1,h1,&hd);
  442. ], [
  443. AC_DEFINE(HAVE_GETHOSTBYNAME_R)
  444. AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
  445. [Define this if gethostbyname_r takes 3 arguments])
  446. AC_MSG_RESULT(3)
  447. ], [
  448. AC_MSG_RESULT(0)
  449. ])
  450. ])
  451. ])
  452. CFLAGS=$OLD_CFLAGS
  453. ])
  454. AC_CACHE_CHECK([whether the C compiler supports __func__],
  455. tor_cv_have_func_macro,
  456. AC_COMPILE_IFELSE([
  457. #include <stdio.h>
  458. int main(int c, char **v) { puts(__func__); }],
  459. tor_cv_have_func_macro=yes,
  460. tor_cv_have_func_macro=no))
  461. AC_CACHE_CHECK([whether the C compiler supports __FUNC__],
  462. tor_cv_have_FUNC_macro,
  463. AC_COMPILE_IFELSE([
  464. #include <stdio.h>
  465. int main(int c, char **v) { puts(__FUNC__); }],
  466. tor_cv_have_FUNC_macro=yes,
  467. tor_cv_have_FUNC_macro=no))
  468. AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__],
  469. tor_cv_have_FUNCTION_macro,
  470. AC_COMPILE_IFELSE([
  471. #include <stdio.h>
  472. int main(int c, char **v) { puts(__FUNCTION__); }],
  473. tor_cv_have_FUNCTION_macro=yes,
  474. tor_cv_have_FUNCTION_macro=no))
  475. if test $tor_cv_have_func_macro = 'yes'; then
  476. AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__])
  477. fi
  478. if test $tor_cv_have_FUNC_macro = 'yes'; then
  479. AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__])
  480. fi
  481. if test $tor_cv_have_FUNCTION_macro = 'yes'; then
  482. AC_DEFINE(HAVE_MACRO__FUNCTION__, 1,
  483. [Defined if the compiler supports __FUNCTION__])
  484. fi
  485. # $prefix stores the value of the --prefix command line option, or
  486. # NONE if the option wasn't set. In the case that it wasn't set, make
  487. # it be the default, so that we can use it to expand directories now.
  488. if test "x$prefix" = "xNONE"; then
  489. prefix=$ac_default_prefix
  490. fi
  491. # and similarly for $exec_prefix
  492. if test "x$exec_prefix" = "xNONE"; then
  493. exec_prefix=$prefix
  494. fi
  495. if test "x$CONFDIR" = "x"; then
  496. CONFDIR=`eval echo $sysconfdir/tor`
  497. fi
  498. AC_SUBST(CONFDIR)
  499. AH_TEMPLATE([CONFDIR],[tor's configuration directory])
  500. AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
  501. BINDIR=`eval echo $bindir`
  502. AC_SUBST(BINDIR)
  503. LOCALSTATEDIR=`eval echo $localstatedir`
  504. AC_SUBST(LOCALSTATEDIR)
  505. AH_TEMPLATE([LOCALSTATEDIR], [Default location to store state files.])
  506. AC_DEFINE_UNQUOTED(LOCALSTATEDIR,"$LOCALSTATEDIR")
  507. # Set CFLAGS _after_ all the above checks, since our warnings are stricter
  508. # than autoconf's macros like.
  509. if test $ac_cv_c_compiler_gnu = yes; then
  510. CFLAGS="$CFLAGS -Wall -g -O2"
  511. else
  512. CFLAGS="$CFLAGS -g -O"
  513. enable_gcc_warnings=no
  514. fi
  515. # Add some more warnings which we use in the cvs version but not in the
  516. # released versions. (Some relevant gcc versions can't handle these.)
  517. if test x$enable_gcc_warnings = xyes; then
  518. AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
  519. #if !defined(__GNUC__) || (__GNUC__ < 4)
  520. #error
  521. #endif]), have_gcc4=yes, have_gcc4=no)
  522. CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Waggregate-return -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror"
  523. if test x$have_gcc4 = xyes ; then
  524. # These warnings break gcc 3.3.5 and work on gcc 4.0.2
  525. CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition"
  526. fi
  527. ##This will break the world on some 64-bit architectures
  528. # CFLAGS="$CFLAGS -Winline"
  529. fi
  530. 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])
  531. AC_OUTPUT
  532. if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
  533. ./contrib/updateVersions.pl
  534. fi