dnl $Id$ dnl Copyright (c) 2001-2004, Roger Dingledine dnl Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson dnl Copyright (c) 2007-2008, The Tor Project, Inc. dnl See LICENSE for licensing information AC_INIT AM_INIT_AUTOMAKE(tor, 0.2.1.2-alpha-dev) AM_CONFIG_HEADER(orconfig.h) AC_CANONICAL_HOST if test -f /etc/redhat-release ; then if test -f /usr/kerberos/include ; then CPPFLAGS="$CPPFLAGS -I/usr/kerberos/include" fi fi # Not a no-op; we want to make sure that CPPFLAGS is set before we use # the += operator on it in src/or/Makefile.am CPPFLAGS="$CPPFLAGS -I../common" AC_ARG_ENABLE(debug, AS_HELP_STRING(--enable-debug, compile with debugging info), [if test x$enableval = xyes; then CFLAGS="$CFLAGS -g" fi]) #XXXX ideally, we should make this into a no-op, and detect whether we're #compiling for the iphone by using $target. AC_ARG_ENABLE(iphone, AS_HELP_STRING(--enable-iphone, compile with iPhone support), [if test x$enableval = xyes ; then tor_cv_iphone=true CFLAGS="$CFLAGS -D__DARWIN_UNIX03 -DIPHONE" fi]) #XXXX020 We should make these enabled or not, before 0.2.0.x-final AC_ARG_ENABLE(cell-pool, AS_HELP_STRING(--disable-cell-pool, disable pool allocator for cells)) AC_ARG_ENABLE(buf-freelists, AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM)) AC_ARG_ENABLE(openbsd-malloc, AS_HELP_STRING(--enable-openbsd-malloc, Use malloc code from openbsd. Linux only)) AC_ARG_ENABLE(instrument-downloads, AS_HELP_STRING(--enable-instrument-downloads, Instrument downloads of directory resources etc.)) if test x$enable_cell_pool != xno; then AC_DEFINE(ENABLE_CELL_POOL, 1, [Defined if we try to use the pool allocator for queued cells]) fi if test x$enable_buf_freelists != xno; then AC_DEFINE(ENABLE_BUF_FREELISTS, 1, [Defined if we try to use freelists for buffer RAM chunks]) fi AM_CONDITIONAL(USE_OPENBSD_MALLOC, test x$enable_openbsd_malloc = xyes) if test x$enable_instrument_downloads == xyes; then AC_DEFINE(INSTRUMENT_DOWNLOADS, 1, [Defined if we want to keep track of how much of each kind of resource we download.]) fi AC_ARG_ENABLE(transparent, AS_HELP_STRING(--disable-transparent, disable transparent proxy support), [case "${enableval}" in yes) transparent=true ;; no) transparent=false ;; *) AC_MSG_ERROR(bad value for --enable-transparent) ;; esac], [transparent=true]) AC_ARG_ENABLE(threads, AS_HELP_STRING(--disable-threads, disable multi-threading support)) if test x$enable_threads = x; then case $host in *-*-solaris* ) # Don't try multithreading on solaris -- cpuworkers seem to lock. AC_MSG_NOTICE([You are running Solaris; Sometimes threading makes cpu workers lock up here, so I will disable threads.]) enable_threads="no";; *) enable_threads="yes";; esac fi if test "$enable_threads" = "yes"; then AC_DEFINE(ENABLE_THREADS, 1, [Defined if we will try to use multithreading]) fi case $host in *-*-solaris* ) AC_DEFINE(_REENTRANT, 1, [Define on some platforms to activate x_r() functions in time.h]) ;; esac AC_ARG_ENABLE(geoip-stats, AS_HELP_STRING(--enable-geoip-stats, enable code for directories to collect per-country statistics)) if test "$enable_geoip_stats" = "yes"; then AC_DEFINE(ENABLE_GEOIP_STATS, 1, [Defined if we try to collect per-country statistics]) fi AC_ARG_ENABLE(gcc-warnings, AS_HELP_STRING(--enable-gcc-warnings, enable verbose warnings)) AC_PROG_CC AC_PROG_CPP AC_PROG_MAKE_SET AC_PROG_RANLIB 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) dnl If WIN32 is defined and non-zero, we are building for win32 AC_MSG_CHECKING([for win32]) AC_RUN_IFELSE([ int main(int c, char **v) { #ifdef WIN32 #if WIN32 return 0; #else return 1; #endif #else return 2; #endif }], bwin32=true; AC_MSG_RESULT([yes]), bwin32=false; AC_MSG_RESULT([no]), bwin32=cross; AC_MSG_RESULT([cross]) ) if test "$bwin32" = cross; then AC_MSG_CHECKING([for win32 (cross)]) AC_COMPILE_IFELSE([ #ifdef WIN32 int main(int c, char **v) {return 0;} #else #error int main(int c, char **v) {return x(y);} #endif ], bwin32=true; AC_MSG_RESULT([yes]), bwin32=false; AC_MSG_RESULT([no])) fi if test "$bwin32" = true; then AC_DEFINE(MS_WINDOWS, 1, [Define to 1 if we are building for Windows.]) fi AM_CONDITIONAL(BUILD_NT_SERVICES, test x$bwin32 = xtrue) dnl Enable C99 when compiling with MIPSpro AC_MSG_CHECKING([for MIPSpro compiler]) AC_COMPILE_IFELSE(AC_LANG_PROGRAM(, [ #if (defined(__sgi) && defined(_COMPILER_VERSION)) #error return x(y); #endif ]), bmipspro=false; AC_MSG_RESULT(no), bmipspro=true; AC_MSG_RESULT(yes)) if test "$bmipspro" = true; then CFLAGS="$CFLAGS -c99" fi AC_C_BIGENDIAN AC_SEARCH_LIBS(socket, [socket]) AC_SEARCH_LIBS(gethostbyname, [nsl]) AC_SEARCH_LIBS(dlopen, [dl]) AC_SEARCH_LIBS(inet_aton, [resolv]) if test "$enable_threads" = "yes"; then AC_SEARCH_LIBS(pthread_create, [pthread]) AC_SEARCH_LIBS(pthread_detach, [pthread]) fi dnl ------------------------------------------------------------------- dnl Check for functions before libevent, since libevent-1.2 apparently dnl exports strlcpy without defining it in a header. 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 writev readv) using_custom_malloc=no if test x$enable_openbsd_malloc = xyes ; then AC_DEFINE(HAVE_MALLOC_GOOD_SIZE, 1, [Defined if we have the malloc_good_size function]) using_custom_malloc=yes fi if test x$tcmalloc = xyes ; then using_custom_malloc=yes fi if test $using_custom_malloc = no ; then AC_CHECK_FUNCS(mallinfo malloc_good_size malloc_usable_size) fi if test "$enable_threads" = "yes"; then AC_CHECK_HEADERS(pthread.h) AC_CHECK_FUNCS(pthread_create) fi dnl ------------------------------------------------------ dnl Where do you live, libevent? And how do we call you? if test "$bwin32" = true; then TOR_LIB_WS32=-lws2_32 # Some of the cargo-cults recommend -lwsock32 as well, but I don't # think it's actually necessary. TOR_LIB_GDI=-lgdi32 else TOR_LIB_WS32= TOR_LIB_GDI= fi AC_SUBST(TOR_LIB_WS32) AC_SUBST(TOR_LIB_GDI) dnl We need to do this before we try our disgusting hack below. AC_CHECK_HEADERS([sys/types.h]) dnl This is a disgusting hack so we safely include older libevent headers. AC_CHECK_TYPE(u_int64_t, unsigned long long) AC_CHECK_TYPE(u_int32_t, unsigned long) AC_CHECK_TYPE(u_int16_t, unsigned short) AC_CHECK_TYPE(u_int8_t, unsigned char) tor_libevent_pkg_redhat="libevent" tor_libevent_pkg_debian="libevent-dev" tor_libevent_devpkg_redhat="libevent-devel" tor_libevent_devpkg_debian="libevent-dev" TOR_SEARCH_LIBRARY(libevent, $trylibeventdir, [-levent $TOR_LIB_WS32], [ #ifdef WIN32 #include #endif #include #include #include #include ], [ #ifdef WIN32 #include #endif void exit(int); void *event_init(void);], [ #ifdef WIN32 {WSADATA d; WSAStartup(0x101,&d); } #endif event_init(); exit(0); ], [--with-libevent-dir], [/opt/libevent]) dnl Now check for particular libevent functions. save_LIBS="$LIBS" save_LDFLAGS="$LDFLAGS" save_CPPFLAGS="$CPPFLAGS" LIBS="-levent $TOR_LIB_WS32 $LIBS" LDFLAGS="$TOR_LDFLAGS_libevent $LIBS" CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS" AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback) LIBS="$save_LIBS" LDFLAGS="$save_LDFLAGS" CPPFLAGS="$save_CPPFLAGS" dnl ------------------------------------------------------ dnl Where do you live, openssl? And how do we call you? tor_openssl_pkg_redhat="openssl" tor_openssl_pkg_debian="libssl" tor_openssl_devpkg_redhat="openssl-devel" tor_openssl_devpkg_debian="libssl-dev" TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI], [#include ], [void RAND_add(const void *buf, int num, double entropy);], [RAND_add((void*)0,0,0); exit(0);], [--with-ssl-dir], [/usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /opt/openssl]) dnl XXXX check for OPENSSL_VERSION_NUMBER == SSLeay() dnl ------------------------------------------------------ dnl Where do you live, zlib? And how do we call you? tor_openssl_pkg_redhat="zlib" tor_openssl_pkg_debian="zlib1g" tor_openssl_devpkg_redhat="zlib-devel" tor_openssl_devpkg_debian="zlib1g-dev" TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz], [#include ], [const char * zlibVersion(void);], [zlibVersion(); exit(0);], [--with-zlib-dir], [/opt/zlib]) dnl Make sure to enable support for large off_t if available. AC_SYS_LARGEFILE AC_CHECK_HEADERS(unistd.h string.h signal.h ctype.h sys/stat.h sys/types.h fcntl.h sys/fcntl.h sys/time.h errno.h assert.h time.h, , AC_MSG_WARN(Some headers were not found, compilation may fail. If compilation succeeds, please send your orconfig.h to the developers so we can fix this warning.)) AC_CHECK_HEADERS(netdb.h sys/ioctl.h sys/socket.h arpa/inet.h netinet/in.h pwd.h grp.h sys/un.h sys/uio.h) dnl These headers are not essential AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/param.h sys/wait.h limits.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h syslog.h sys/time.h sys/resource.h inttypes.h utime.h sys/utime.h sys/mman.h netinet/in6.h malloc.h sys/syslimits.h malloc/malloc.h) TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE, [#ifdef HAVE_MALLOC_H #include #endif #ifdef HAVE_MALLOC_MALLOC_H #include #endif]) AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0, [#ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif]) AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0, [#ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NET_IF_H #include #endif]) AC_CHECK_HEADERS(linux/netfilter_ipv4.h, linux_netfilter_ipv4=1, linux_netfilter_ipv4=0, [#ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif]) if test x$transparent = xtrue ; then transparent_ok=0 if test x$net_if_found = x1 && test x$net_pfvar_found = x1 ; then transparent_ok=1 fi if test x$linux_netfilter_ipv4 = x1 ; then transparent_ok=1 fi if test x$transparent_ok = x1 ; then AC_DEFINE(USE_TRANSPARENT, 1, "Define to enable transparent proxy support") case $host in *-*-openbsd*) AC_DEFINE(OPENBSD, 1, "Define to handle pf on OpenBSD properly") ;; esac else AC_MSG_NOTICE([Transparent proxy support enabled, but missing headers.]) fi fi AC_FUNC_FSEEKO AC_CHECK_MEMBERS([struct timeval.tv_sec], , , [#ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_TIME_H #include #endif]) 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_CHECK_SIZEOF(size_t) AC_CHECK_TYPES([uint, u_char, ssize_t]) AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, struct sockaddr_storage, sa_family_t], , , [#ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #ifdef HAVE_NETINET_IN6_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef MS_WINDOWS #define WIN32_WINNT 0x400 #define _WIN32_WINNT 0x400 #define WIN32_LEAN_AND_MEAN #if defined(_MSC_VER) && (_MSC_VER < 1300) #include #else #include #include #endif #endif ]) AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16], , , [#ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_NETINET_IN_H #include #endif #ifdef HAVE_NETINET_IN6_H #include #endif #ifdef HAVE_SYS_SOCKET_H #include #endif #ifdef MS_WINDOWS #define WIN32_WINNT 0x400 #define _WIN32_WINNT 0x400 #define WIN32_LEAN_AND_MEAN #if defined(_MSC_VER) && (_MSC_VER < 1300) #include #else #include #include #endif #endif ]) AC_CHECK_TYPES([rlim_t], , , [#ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_TIME_H #include #endif #ifdef HAVE_SYS_RESOURCE_H #include #endif ]) AC_CACHE_CHECK([whether time_t is signed], tor_cv_time_t_signed, [ AC_RUN_IFELSE(AC_LANG_SOURCE([ #ifdef HAVE_SYS_TYPES_H #include #endif #ifdef HAVE_SYS_TIME_H #include #endif #ifdef HAVE_TIME_H #include #endif 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, tor_cv_time_t_signed=cross) ]) if test "$tor_cv_time_t_signed" = cross; then AC_MSG_NOTICE([Cross compiling: assuming that time_t is signed.]) fi if test "$tor_cv_time_t_signed" != no; then AC_DEFINE([TIME_T_IS_SIGNED], 1, [Define to 1 iff time_t is signed]) fi AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT() #ifdef HAVE_SYS_SOCKET_H #include #endif ]) # We want to make sure that we _don't_ have a cell_t defined, like IRIX does. AC_CHECK_SIZEOF(cell_t) # Now make sure that NULL can be represented as zero bytes. AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero, [AC_RUN_IFELSE([AC_LANG_SOURCE( [[#include #include #include #ifdef HAVE_STDDEF_H #include #endif int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2)); return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])], [tor_cv_null_is_zero=yes], [tor_cv_null_is_zero=no], [tor_cv_null_is_zero=cross])]) if test "$tor_cv_null_is_zero" = cross ; then # Cross-compiling; let's hope that the target isn't raving mad. AC_MSG_NOTICE([Cross-compiling: we'll assume that NULL is represented as a sequence of 0-valued bytes.]) fi if test "$tor_cv_null_is_zero" != no; then AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1, [Define to 1 iff memset(0) sets pointers to NULL]) fi # And what happens when we malloc zero? AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works, [AC_RUN_IFELSE([AC_LANG_SOURCE( [[#include #include #include #ifdef HAVE_STDDEF_H #include #endif int main () { return malloc(0)?0:1; }]])], [tor_cv_malloc_zero_works=yes], [tor_cv_malloc_zero_works=no], [tor_cv_malloc_zero_works=cross])]) if test "$tor_cv_malloc_zero_works" = cross; then # Cross-compiling; let's hope that the target isn't raving mad. AC_MSG_NOTICE([Cross-compiling: we'll assume that we need to check malloc() arguments for 0.]) fi if test "$tor_cv_malloc_zero_works" = yes; then AC_DEFINE([MALLOC_ZERO_WORKS], 1, [Define to 1 iff malloc(0) returns a pointer]) fi # whether we seem to be in a 2s-complement world. AC_CACHE_CHECK([whether we are using 2s-complement arithmetic], tor_cv_twos_complement, [AC_RUN_IFELSE([AC_LANG_SOURCE( [[int main () { int problem = ((-99) != (~99)+1); return problem ? 1 : 0; }]])], [tor_cv_twos_complement=yes], [tor_cv_twos_complement=no], [tor_cv_twos_complement=cross])]) if test "$tor_cv_twos_complement" = cross ; then # Cross-compiling; let's hope that the target isn't raving mad. AC_MSG_NOTICE([Cross-compiling: we'll assume that negative integers are represented with two's complement.]) fi if test "$tor_cv_twos_complement" != no ; then AC_DEFINE([USING_TWOS_COMPLEMENT], 1, [Define to 1 iff we represent negative integers with two's complement]) fi # Whether we should use the dmalloc memory allocation debugging library. AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library)) AC_ARG_WITH(dmalloc, [ --with-dmalloc Use debug memory allocation library. ], [if [[ "$withval" = "yes" ]]; then dmalloc=1 AC_MSG_RESULT(yes) else dmalloc=1 AC_MSG_RESULT(no) fi], [ dmalloc=0; AC_MSG_RESULT(no) ] ) if [[ $dmalloc -eq 1 ]]; then AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?)) AC_SEARCH_LIBS(dmalloc_malloc, [dmallocth dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.)) AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library]) AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check]) AC_CHECK_FUNCS(dmalloc_strdup dmalloc_strndup) fi AC_ARG_WITH(tcmalloc, [ --with-tcmalloc Use tcmalloc memory allocation library. ], [ tcmalloc=yes ], [ tcmalloc=no ]) if test x$tcmalloc = xyes ; then LDFLAGS="-ltcmalloc $LDFLAGS" fi # Allow user to specify an alternate syslog facility AC_ARG_WITH(syslog-facility, [ --with-syslog-facility=LOG syslog facility to use (default=LOG_DAEMON)], syslog_facility="$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 $MY_CFLAGS" AC_COMPILE_IFELSE(AC_LANG_PROGRAM([ #include ], [[ char *cp1, *cp2; struct hostent *h1, *h2; int i1, i2; (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2); ]]),[ AC_DEFINE(HAVE_GETHOSTBYNAME_R) AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1, [Define this if gethostbyname_r takes 6 arguments]) AC_MSG_RESULT(6) ], [ AC_TRY_COMPILE([ #include ], [ char *cp1, *cp2; struct hostent *h1; int i1, i2; (void)gethostbyname_r(cp1,h1,cp2,i1,&i2); ], [ AC_DEFINE(HAVE_GETHOSTBYNAME_R) AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1, [Define this if gethostbyname_r takes 5 arguments]) AC_MSG_RESULT(5) ], [ AC_TRY_COMPILE([ #include ], [ char *cp1; struct hostent *h1; struct hostent_data hd; (void) gethostbyname_r(cp1,h1,&hd); ], [ AC_DEFINE(HAVE_GETHOSTBYNAME_R) AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1, [Define this if gethostbyname_r takes 3 arguments]) AC_MSG_RESULT(3) ], [ AC_MSG_RESULT(0) ]) ]) ]) CFLAGS=$OLD_CFLAGS ]) AC_CACHE_CHECK([whether the C compiler supports __func__], tor_cv_have_func_macro, AC_COMPILE_IFELSE([ #include int main(int c, char **v) { puts(__func__); }], tor_cv_have_func_macro=yes, tor_cv_have_func_macro=no)) AC_CACHE_CHECK([whether the C compiler supports __FUNC__], tor_cv_have_FUNC_macro, AC_COMPILE_IFELSE([ #include int main(int c, char **v) { puts(__FUNC__); }], tor_cv_have_FUNC_macro=yes, tor_cv_have_FUNC_macro=no)) AC_CACHE_CHECK([whether the C compiler supports __FUNCTION__], tor_cv_have_FUNCTION_macro, AC_COMPILE_IFELSE([ #include int main(int c, char **v) { puts(__FUNCTION__); }], tor_cv_have_FUNCTION_macro=yes, tor_cv_have_FUNCTION_macro=no)) if test "$tor_cv_have_func_macro" = 'yes'; then AC_DEFINE(HAVE_MACRO__func__, 1, [Defined if the compiler supports __func__]) fi if test "$tor_cv_have_FUNC_macro" = 'yes'; then AC_DEFINE(HAVE_MACRO__FUNC__, 1, [Defined if the compiler supports __FUNC__]) fi if test "$tor_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=$prefix fi if test "x$CONFDIR" = "x"; then CONFDIR=`eval echo $sysconfdir/tor` fi AC_SUBST(CONFDIR) AH_TEMPLATE([CONFDIR],[tor's configuration directory]) AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR") BINDIR=`eval echo $bindir` AC_SUBST(BINDIR) LOCALSTATEDIR=`eval echo $localstatedir` AC_SUBST(LOCALSTATEDIR) # Set CFLAGS _after_ all the above checks, since our warnings are stricter # than autoconf's macros like. if test "$ac_cv_c_compiler_gnu" = yes; then CFLAGS="$CFLAGS -Wall -g -O2" else CFLAGS="$CFLAGS -g -O" enable_gcc_warnings=no fi # Add some more warnings which we use in development but not in the # released versions. (Some relevant gcc versions can't handle these.) if test x$enable_gcc_warnings = xyes; then AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [ #if !defined(__GNUC__) || (__GNUC__ < 4) #error #endif]), have_gcc4=yes, have_gcc4=no) AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [ #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2) #error #endif]), have_gcc42=yes, have_gcc42=no) AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [ #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3) #error #endif]), have_gcc43=yes, have_gcc43=no) save_CFLAGS="$CFLAGS" CFLAGS="$CFLAGS -Wshorten-64-to-32" AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes, have_shorten64_flag=no) CFLAGS="$save_CFLAGS" CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum -Werror" # Disabled, so we can use mallinfo(): -Waggregate-return if test x$have_gcc4 = xyes ; then # These warnings break gcc 3.3.5 and work on gcc 4.0.2 CFLAGS="$CFLAGS -Winit-self -Wmissing-field-initializers -Wdeclaration-after-statement -Wold-style-definition" fi if test x$have_gcc42 = xyes ; then # These warnings break gcc 4.0.2 and work on gcc 4.2 # XXXX020 Use -fstack-protector. # XXXX020 See if any of these work with earlier versions. CFLAGS="$CFLAGS -Waddress -Wmissing-noreturn -Wnormalized=id -Woverride-init -Wstrict-overflow=1" # We used to use -Wstrict-overflow=5, but that breaks us heavily under 4.3. fi if test x$have_gcc43 = xyes ; then # These warnings break gcc 4.2 and work on gcc 4.3 # XXXX020 See if any of these work with earlier versions. CFLAGS="$CFLAGS -Wextra -Warray-bounds" fi if test x$have_shorten64_flag = xyes ; then CFLAGS="$CFLAGS -Wshorten-64-to-32" fi ##This will break the world on some 64-bit architectures # CFLAGS="$CFLAGS -Winline" fi CPPFLAGS="$CPPFLAGS $TOR_CPPFLAGS_libevent $TOR_CPPFLAGS_openssl $TOR_CPPFLAGS_zlib" 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]) AC_OUTPUT if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then ./contrib/updateVersions.pl fi