dnl $Id$ dnl Copyright (c) 2001-2004, Roger Dingledine dnl Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson dnl See LICENSE for licensing information AC_INIT AM_INIT_AUTOMAKE(tor, 0.1.1.26) AM_CONFIG_HEADER(orconfig.h) AC_CANONICAL_HOST if test -f /etc/redhat-release; then CFLAGS="$CFLAGS -I/usr/kerberos/include" fi AC_ARG_ENABLE(debug, AC_HELP_STRING(--enable-debug, compile with debugging info), [if test x$enableval = xyes; then CFLAGS="$CFLAGS -g" fi]) AC_ARG_ENABLE(threads, AC_HELP_STRING(--disable-threads, disable multi-threading support)) if test x$enable_threads = x; then case $host in *-*-netbsd* | *-*-openbsd* ) # Don't try multithreading on netbsd -- there is no threadsafe DNS # lookup function there. AC_MSG_NOTICE([You are running OpenBSD or NetBSD; I am assuming that getaddrinfo is not threadsafe here, so I will disable threads.]) enable_threads="no";; *-*-solaris* ) # Don't try multithreading on solaris -- cpuworkers seem to lock. AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes cpu workers lock up here, so I will disable threads.]) enable_threads="no";; *) enable_threads="yes";; esac fi if test $enable_threads = "yes"; then AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading]) fi case $host in *-*-solaris* ) AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h]) ;; esac AC_PROG_CC AC_PROG_MAKE_SET AC_PROG_RANLIB # The big search for OpenSSL # copied from openssh's configure.ac tryssldir="" AC_ARG_WITH(ssl-dir, [ --with-ssl-dir=PATH Specify path to OpenSSL installation ], [ if test "x$withval" != "xno" ; then tryssldir=$withval fi ] ) trylibeventdir="" AC_ARG_WITH(libevent-dir, [ --with-libevent-dir=PATH Specify path to Libevent installation ], [ if test "x$withval" != "xno" ; then trylibeventdir=$withval fi ] ) TORUSER=_tor AC_ARG_WITH(tor-user, [ --with-tor-user=NAME Specify username for tor daemon ], [ TORUSER=$withval ] ) AC_SUBST(TORUSER) TORGROUP=_tor AC_ARG_WITH(tor-group, [ --with-tor-group=NAME Specify group name for tor daemon ], [ TORGROUP=$withval ] ) AC_SUBST(TORGROUP) AC_SEARCH_LIBS(socket, [socket]) AC_SEARCH_LIBS(gethostbyname, [nsl]) AC_SEARCH_LIBS(dlopen, [dl]) if test $enable_threads = "yes"; then AC_SEARCH_LIBS(pthread_create, [pthread]) AC_SEARCH_LIBS(pthread_detach, [pthread]) fi dnl ------------------------------------------------------ dnl Where do you live, libevent? And how do we call you? AC_CACHE_CHECK([for libevent directory], ac_cv_libevent_dir, [ saved_LIBS="$LIBS" saved_LDFLAGS="$LDFLAGS" saved_CPPFLAGS="$CPPFLAGS" le_found=no for ledir in $trylibeventdir "" $prefix /usr/local ; do LDFLAGS="$saved_LDFLAGS" LIBS="$saved_LIBS -levent" # Skip the directory if it isn't there. if test ! -z "$ledir" -a ! -d "$ledir" ; then continue; fi if test ! -z "$ledir" ; then if test -d "$ledir/lib" ; then LDFLAGS="-L$ledir/lib $LDFLAGS" else LDFLAGS="-L$ledir $LDFLAGS" fi if test -d "$ledir/include" ; then CPPFLAGS="-I$ledir/include $CPPFLAGS" else CPPFLAGS="-I$ledir $CPPFLAGS" fi fi # Can I compile and link it? AC_TRY_LINK([#include #include #include ], [ event_init(); ], [ libevent_linked=yes ], [ libevent_linked=no ]) if test $libevent_linked = yes; then if test ! -z "$ledir" ; then ac_cv_libevent_dir=$ledir else ac_cv_libevent_dir="(system)" fi le_found=yes break fi done LIBS="$saved_LIBS" LDFLAGS="$saved_LDFLAGS" CPPFLAGS="$saved_CPPFLAGS" if test $le_found = no ; then AC_MSG_ERROR([Could not find a linkable libevent. You can specify an explicit path using --with-libevent-dir]) fi ]) LIBS="$LIBS -levent" if test $ac_cv_libevent_dir != "(system)"; then if test -d "$ac_cv_libevent_dir/lib" ; then LDFLAGS="-L$ac_cv_libevent_dir/lib $LDFLAGS" le_libdir="$ac_cv_libevent_dir/lib" else LDFLAGS="-L$ac_cv_libevent_dir $LDFLAGS" le_libdir="$ac_cv_libevent_dir" fi if test -d "$ac_cv_libevent_dir/include" ; then CPPFLAGS="-I$ac_cv_libevent_dir/include $CPPFLAGS" else CPPFLAGS="-I$ac_cv_libevent_dir $CPPFLAGS" fi fi AC_CACHE_CHECK([whether we need extra options to link libevent], ac_cv_libevent_linker_option, [ saved_LDFLAGS="$LDFLAGS" le_runs=no linked_with=nothing for le_extra in "" "-Wl,-R$le_libdir" "-R$le_libdir" ; do LDFLAGS="$le_extra $saved_LDFLAGS" AC_TRY_RUN([void *event_init(void); int main(int c, char **v) { event_init(); return 0; }], libevent_runs=yes, libevent_runs=no) if test $libevent_runs = yes ; then if test -z "$le_extra" ; then ac_cv_libevent_linker_option='(none)' else ac_cv_libevent_linker_option=$le_extra fi le_runs=yes break fi done if test $le_runs = no ; then AC_MSG_ERROR([Found linkable libevent in $ac_cv_libevent_dir, but it doesn't run, even with -R. Maybe specify another using --with-libevent-dir?]) fi LDFLAGS="$saved_LDFLAGS" ]) if test $ac_cv_libevent_linker_option != '(none)' ; then LDFLAGS="$ac_cv_libevent_linker_option $LDFLAGS" fi dnl ------------------------------------------------------ dnl Where do you live, openssl? And how do we call you? AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssl_dir, [ saved_LIBS="$LIBS" saved_LDFLAGS="$LDFLAGS" saved_CPPFLAGS="$CPPFLAGS" ssl_found=no for ssldir in $tryssldir "" $prefix /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /usr/pkg /opt /opt/openssl ; do LDFLAGS="$saved_LDFLAGS" LIBS="$saved_LIBS -lssl -lcrypto" # Skip the directory if it isn't there. if test ! -z "$ssldir" -a ! -d "$ssldir" ; then continue; fi if test ! -z "$ssldir" ; then if test -d "$ssldir/lib" ; then LDFLAGS="-L$ssldir/lib $LDFLAGS" else LDFLAGS="-L$ssldir $LDFLAGS" fi if test -d "$ssldir/include" ; then CPPFLAGS="-I$ssldir/include $CPPFLAGS" else CPPFLAGS="-I$ssldir $CPPFLAGS" fi fi # Can I link it? AC_TRY_LINK([#include ], [ RAND_add((void*)0,0,0); ], [ openssl_linked=yes ], [ openssl_linked=no ]) if test $openssl_linked = yes; then if test ! -z "$ssldir" ; then ac_cv_openssl_dir=$ssldir else ac_cv_openssl_dir="(system)" fi ssl_found=yes break fi done LIBS="$saved_LIBS" LDFLAGS="$saved_LDFLAGS" CPPFLAGS="$saved_CPPFLAGS" if test $ssl_found = no ; then AC_MSG_ERROR([Could not find a linkable OpenSSL. You can specify an explicit path using --with-ssl-dir]) fi ]) LIBS="$LIBS -lssl -lcrypto" if test "$ac_cv_openssl_dir" != "(system)"; then if test -d "$ac_cv_openssl_dir/lib" ; then LDFLAGS="-L$ac_cv_openssl_dir/lib $LDFLAGS" ssl_libdir="$ac_cv_openssl_dir/lib" else LDFLAGS="-L$ac_cv_openssl_dir $LDFLAGS" ssl_libdir="$ac_cv_openssl_dir" fi if test -d "$ac_cv_openssl_dir/include" ; then CPPFLAGS="-I$ac_cv_openssl_dir/include $CPPFLAGS" else CPPFLAGS="-I$ac_cv_openssl_dir $CPPFLAGS" fi fi AC_CACHE_CHECK([whether we need extra options to link OpenSSL], ac_cv_openssl_linker_option, [ saved_LDFLAGS="$LDFLAGS" ssl_runs=no linked_with=nothing for ssl_extra in "" "-Wl,-R$ssl_libdir" "-R$ssl_libdir" ; do LDFLAGS="$ssl_extra $saved_LDFLAGS" AC_TRY_RUN([ #include #include int main(void) { char a[2048]; memset(a, 0, sizeof(a)); RAND_add(a, sizeof(a), sizeof(a)); return(RAND_status() <= 0); } ], openssl_runs=yes, openssl_runs=no) if test $openssl_runs = yes ; then if test "$linked_with" = nothing; then linked_with="$ssl_extra" fi AC_TRY_RUN([ #include #include int main(void) { return (OPENSSL_VERSION_NUMBER == SSLeay()) == 0; }], right_version=yes, right_version=no) if test "$right_version" = yes; then if test -z "$ssl_extra" ; then ac_cv_openssl_linker_option='(none)' else ac_cv_openssl_linker_option=$ssl_extra fi ssl_runs=yes break fi fi done if test $ssl_runs = no ; then if test "$linked_with" = 'nothing' ; then AC_MSG_ERROR([Found linkable OpenSSL in $ac_cv_openssl_dir, but it doesn't run, even with -R. Maybe specify another using --with-ssl-dir?]) else if test -z "$linked_with" ; then ac_cv_openssl_linker_option='(none)' else ac_cv_openssl_linker_option=$linked_with fi AC_MSG_WARN([I managed to make OpenSSL link and run, but I couldn't make it link against the same version I found header files for.]) fi fi LDFLAGS="$saved_LDFLAGS" ]) if test "$ac_cv_openssl_linker_option" != '(none)' ; then LDFLAGS="$ac_cv_openssl_linker_option $LDFLAGS" fi dnl Make sure to enable support for large off_t if avalable. AC_SYS_LARGEFILE dnl The warning message here is no longer strictly accurate. AC_CHECK_HEADERS(unistd.h string.h signal.h netdb.h ctype.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/ioctl.h sys/socket.h sys/time.h netinet/in.h arpa/inet.h errno.h assert.h time.h pwd.h grp.h, , AC_MSG_WARN(some headers were not found, compilation may fail)) AC_CHECK_HEADERS(event.h, , AC_MSG_ERROR(Libevent header (event.h) not found. Tor requires libevent to build.)) 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.)) dnl These headers are not essential AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h stddef.h inttypes.h utime.h sys/utime.h) AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit setrlimit strlcat strlcpy strtoull getpwnam getpwuid ftello getaddrinfo localtime_r gmtime_r event_get_version event_get_method event_set_log_callback memmem) if test $enable_threads = "yes"; then AC_CHECK_HEADERS(pthread.h) AC_CHECK_FUNCS(pthread_create) fi AC_FUNC_FSEEKO AC_CHECK_MEMBERS([struct timeval.tv_sec]) dnl In case we aren't given a working stdint.h, we'll need to grow our own. dnl Watch out. AC_CHECK_SIZEOF(int8_t) AC_CHECK_SIZEOF(int16_t) AC_CHECK_SIZEOF(int32_t) AC_CHECK_SIZEOF(int64_t) AC_CHECK_SIZEOF(uint8_t) AC_CHECK_SIZEOF(uint16_t) AC_CHECK_SIZEOF(uint32_t) AC_CHECK_SIZEOF(uint64_t) AC_CHECK_SIZEOF(intptr_t) AC_CHECK_SIZEOF(uintptr_t) dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t]) AC_CHECK_SIZEOF(char) AC_CHECK_SIZEOF(short) AC_CHECK_SIZEOF(int) AC_CHECK_SIZEOF(long) AC_CHECK_SIZEOF(long long) AC_CHECK_SIZEOF(__int64) AC_CHECK_SIZEOF(void *) AC_CHECK_SIZEOF(time_t) AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [ AC_TRY_RUN([ int main(int c, char**v) { if (((time_t)-1)<0) return 1; else return 0; }], tor_cv_time_t_signed=no, tor_cv_time_t_signed=yes) ]) if test $tor_cv_time_t_signed = yes; then AC_DEFINE([TIME_T_IS_SIGNED], 1, [Define to 1 iff time_t is signed]) fi AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT() #ifdef HAVE_SYS_SOCKET_H #include #endif ]) # We want to make sure that we _don't_ have a cell_t defined, like IRIX does. AC_CHECK_SIZEOF(cell_t) # Now, let's see about alignment requirements. On some platforms, we override # the default. case $host in ia64-*-* | arm-*-* | sparc-*-* | sparc64-*-* ) tor_cv_unaligned_ok=no ;; # On the following architectures unaligned access works, but is not done in # hardware. This means that when you try to do unaligned access the kernel # gets to sort out an exception and then work around to somehow make your # reqest work, which is quite expensive. Therefore it's probably better to # not even do it. alpha-*-* | mips-*-* | mipsel-*-* ) tor_cv_unaligned_ok=no ;; *) AC_CACHE_CHECK([whether unaligned int access is allowed], tor_cv_unaligned_ok, [AC_RUN_IFELSE([AC_LANG_SOURCE( [[int main () { char s[] = "A\x00\x00\x00\x00\x00\x00\x00"; return *(int*)(&s[1]); }]])], [tor_cv_unaligned_ok=yes], [tor_cv_unaligned_ok=no], [tor_cv_unaligned_ok=cross])]) esac if test $tor_cv_unaligned_ok = yes; then AC_DEFINE([UNALIGNED_INT_ACCESS_OK], 1, [Define to 1 iff unaligned int access is allowed]) fi # Now make sure that NULL can be represented as zero bytes. AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero, [AC_RUN_IFELSE([AC_LANG_SOURCE( [[#include #include #include #ifdef HAVE_STDDEF_H #include #endif int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2)); return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])], [tor_cv_null_is_zero=yes], [tor_cv_null_is_zero=no], [tor_cv_null_is_zero=cross])]) if test $tor_cv_null_is_zero = yes; then AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1, [Define to 1 iff memset(0) sets pointers to NULL]) fi # Whether we should use the dmalloc memory allocation debugging library. AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library)) AC_ARG_WITH(dmalloc, [ --with-dmalloc Use debug memory allocation library. ], [if [[ "$withval" = "yes" ]]; then dmalloc=1 AC_MSG_RESULT(yes) else dmalloc=1 AC_MSG_RESULT(no) fi], [ dmalloc=0; AC_MSG_RESULT(no) ] ) if [[ $dmalloc -eq 1 ]]; then AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?)) AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.)) AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library]) AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check]) fi # Allow user to specify an alternate syslog facility AC_ARG_WITH(syslog-facility, [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)], syslog_facility="$withval", syslog_facility="LOG_DAEMON") AC_DEFINE_UNQUOTED(LOGFACILITY,$syslog_facility,[name of the syslog facility]) AC_SUBST(LOGFACILITY) # Check for gethostbyname_r in all its glorious incompatible versions. # (This logic is based on that in Python's configure.in) AH_TEMPLATE(HAVE_GETHOSTBYNAME_R, [Define this if you have any gethostbyname_r()]) AC_CHECK_FUNC(gethostbyname_r, [ AC_MSG_CHECKING([how many arguments gethostbyname_r() wants]) OLD_CFLAGS=$CFLAGS CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS" AC_TRY_COMPILE([ #include ], [ char *cp1, *cp2; struct hostent *h1, *h2; int i1, i2; (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2); ], [ AC_DEFINE(HAVE_GETHOSTBYNAME_R) AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1, [Define this if gethostbyname_r takes 6 arguments]) AC_MSG_RESULT(6) ], [ AC_TRY_COMPILE([ #include ], [ char *cp1, *cp2; struct hostent *h1; int i1, i2; (void)gethostbyname_r(cp1,h1,cp2,i1,&i2); ], [ AC_DEFINE(HAVE_GETHOSTBYNAME_R) AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1, [Define this if gethostbyname_r takes 5 arguments]) AC_MSG_RESULT(5) ], [ AC_TRY_COMPILE([ #include ], [ char *cp1; struct hostent *h1; struct hostent_data hd; (void) gethostbyname_r(cp1,h1,&hd); ], [ AC_DEFINE(HAVE_GETHOSTBYNAME_R) AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1, [Define this if gethostbyname_r takes 3 arguments]) AC_MSG_RESULT(3) ], [ AC_MSG_RESULT(0) ]) ]) ]) CFLAGS=$OLD_CFLAGS ]) AC_CACHE_CHECK([whether the C compiler supports __func__], ac_cv_have_func_macro, AC_COMPILE_IFELSE([ #include int main(int c, char **v) { puts(__func__); }], ac_cv_have_func_macro=yes, ac_cv_have_func_macro=no)) AC_CACHE_CHECK([whether the C compiler supports __FUNC__], ac_cv_have_FUNC_macro, AC_COMPILE_IFELSE([ #include int main(int c, char **v) { puts(__FUNC__); }], ac_cv_have_FUNC_macro=yes, ac_cv_have_FUNC_macro=no)) AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__], ac_cv_have_FUNCTION_macro, AC_COMPILE_IFELSE([ #include int main(int c, char **v) { puts(__FUNCTION__); }], ac_cv_have_FUNCTION_macro=yes, ac_cv_have_FUNCTION_macro=no)) if test $ac_cv_have_func_macro = 'yes'; then AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__]) fi if test $ac_cv_have_FUNC_macro = 'yes'; then AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__]) fi if test $ac_cv_have_FUNCTION_macro = 'yes'; then AC_DEFINE(HAVE_MACRO__FUNCTION__, 1, [Defined if the compiler supports __FUNCTION__]) fi # $prefix stores the value of the --prefix command line option, or # NONE if the option wasn't set. In the case that it wasn't set, make # it be the default, so that we can use it to expand directories now. if test "x$prefix" = "xNONE"; then prefix=$ac_default_prefix fi # and similarly for $exec_prefix if test "x$exec_prefix" = "xNONE"; then exec_prefix=$prefix fi CONFDIR=`eval echo $sysconfdir/tor` AC_SUBST(CONFDIR) AH_TEMPLATE([CONFDIR],[tor's configuration directory]) AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR") BINDIR=`eval echo $bindir` AC_SUBST(BINDIR) LOCALSTATEDIR=`eval echo $localstatedir` AC_SUBST(LOCALSTATEDIR) AH_TEMPLATE([LOCALSTATEDIR], [Default location to store state files.]) AC_DEFINE_UNQUOTED(LOCALSTATEDIR,"$LOCALSTATEDIR") # Set CFLAGS _after_ all the above checks, since our warnings are stricter # than autoconf's macros like. if test $ac_cv_c_compiler_gnu = yes; then CFLAGS="$CFLAGS -Wall -g -O2" else CFLAGS="$CFLAGS -g -O" fi # Add some more warnings which we use in the cvs version but not in the # released versions. (Some relevant gcc versions can't handle these.) #CFLAGS="$CFLAGS -W -Wno-unused-parameter -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Winit-self -Wwrite-strings -Waggregate-return -Wmissing-declarations -Wmissing-field-initializers -Wredundant-decls -Winline" # Add these in when you feel like fun. #CFLAGS="$CFLAGS -Wbad-function-cast -Werror -Wdeclaration-after-statement -Wold-style-definition" echo "confdir: $CONFDIR" AC_OUTPUT(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 src/config/Makefile src/common/Makefile src/or/Makefile src/win32/Makefile src/tools/Makefile contrib/suse/Makefile contrib/suse/tor.sh) if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then ./contrib/updateVersions.pl fi