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- 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, 0.2.1.32)
- 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\${top_srcdir}/src/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="$CFLAGS -D__DARWIN_UNIX03 -DIPHONE"
- fi])
- #XXXX020 We should make these enabled or not, before 0.2.0.x-final
- AC_ARG_ENABLE(buf-freelists,
- AS_HELP_STRING(--disable-buf-freelists, disable freelists for buffer RAM))
- AC_ARG_ENABLE(openbsd-malloc,
- AS_HELP_STRING(--enable-openbsd-malloc, Use malloc code from openbsd. Linux only))
- AC_ARG_ENABLE(instrument-downloads,
- AS_HELP_STRING(--enable-instrument-downloads, Instrument downloads of directory resources etc.))
- AC_ARG_ENABLE(static-openssl,
- AS_HELP_STRING(--enable-static-openssl, Link against a static openssl library. Requires --with-openssl-dir))
- AC_ARG_ENABLE(static-libevent,
- AS_HELP_STRING(--enable-static-libevent, Link against a static libevent library. Requires --with-libevent-dir))
- if test x$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_ARG_ENABLE(gcc-warnings-advisory,
- AS_HELP_STRING(--enable-gcc-warnings-advisory, [enable verbose warnings, excluding -Werror]))
- AC_ARG_ENABLE(local-appdata,
- AS_HELP_STRING(--enable-local-appdata, default to host local application data paths on Windows))
- if test "$enable_local_appdata" = "yes"; then
- AC_DEFINE(ENABLE_LOCAL_APPDATA, 1,
- [Defined if we default to host local appdata paths on Windows])
- fi
- AC_PROG_CC
- AC_PROG_CPP
- AC_PROG_MAKE_SET
- AC_PROG_RANLIB
- TORUSER=_tor
- AC_ARG_WITH(tor-user,
- [ --with-tor-user=NAME Specify username for tor daemon ],
- [
- TORUSER=$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 "$enable_threads" = "yes"; then
- AC_SEARCH_LIBS(pthread_create, [pthread])
- AC_SEARCH_LIBS(pthread_detach, [pthread])
- fi
- dnl -------------------------------------------------------------------
- dnl Check for functions before libevent, since libevent-1.2 apparently
- dnl exports strlcpy without defining it in a header.
- AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit strlcat strlcpy strtoull getaddrinfo localtime_r gmtime_r memmem strtok_r writev readv flock prctl)
- using_custom_malloc=no
- if test x$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 $TOR_LIB_WS32], [
- #ifdef WIN32
- #include <winsock2.h>
- #endif
- #include <stdlib.h>
- #include <sys/time.h>
- #include <sys/types.h>
- #include <event.h>], [
- #ifdef WIN32
- #include <winsock2.h>
- #endif
- void exit(int); void *event_init(void);],
- [
- #ifdef WIN32
- {WSADATA d; WSAStartup(0x101,&d); }
- #endif
- event_init(); exit(0);
- ], [--with-libevent-dir], [/opt/libevent])
- dnl Now check for particular libevent functions.
- save_LIBS="$LIBS"
- save_LDFLAGS="$LDFLAGS"
- save_CPPFLAGS="$CPPFLAGS"
- LIBS="-levent $TOR_LIB_WS32 $LIBS"
- LDFLAGS="$TOR_LDFLAGS_libevent $LDFLAGS"
- CPPFLAGS="$TOR_CPPFLAGS_libevent $CPPFLAGS"
- AC_CHECK_FUNCS(event_get_version event_get_method event_set_log_callback)
- AC_CHECK_MEMBERS([struct event.min_heap_idx], , ,
- [#include <event.h>
- ])
- LIBS="$save_LIBS"
- LDFLAGS="$save_LDFLAGS"
- CPPFLAGS="$save_CPPFLAGS"
- if test "$enable_static_libevent" = "yes"; then
- if test "$tor_cv_library_libevent_dir" = "(system)"; then
- AC_MSG_ERROR("You must specify an explicit --with-libevent-dir=x option when using --enable-static-libevent")
- else
- TOR_LIBEVENT_LIBS="$TOR_LIBDIR_libevent/libevent.a"
- fi
- else
- TOR_LIBEVENT_LIBS="-levent"
- fi
- AC_SUBST(TOR_LIBEVENT_LIBS)
- dnl ------------------------------------------------------
- dnl Where do you live, openssl? And how do we call you?
- tor_openssl_pkg_redhat="openssl"
- tor_openssl_pkg_debian="libssl"
- tor_openssl_devpkg_redhat="openssl-devel"
- tor_openssl_devpkg_debian="libssl-dev"
- ALT_openssl_WITHVAL=""
- AC_ARG_WITH(ssl-dir,
- [ --with-ssl-dir=PATH Obsolete alias for --with-openssl-dir ],
- [
- if test "x$withval" != xno && test "x$withval" != "x" ; then
- ALT_openssl_WITHVAL="$withval"
- fi
- ])
- TOR_SEARCH_LIBRARY(openssl, $tryssldir, [-lssl -lcrypto $TOR_LIB_GDI],
- [#include <openssl/rand.h>],
- [void RAND_add(const void *buf, int num, double entropy);],
- [RAND_add((void*)0,0,0); exit(0);], [],
- [/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()
- echo "tor_cv_library_openssl_dir is $tor_cv_library_openssl_dir"
- if test "$enable_static_openssl" = "yes"; then
- if test "$tor_cv_library_openssl_dir" = "(system)"; then
- AC_MSG_ERROR("You must specify an explicit --with-openssl-dir=x option when using --enable-static-openssl")
- else
- TOR_OPENSSL_LIBS="$TOR_LIBDIR_openssl/libssl.a $TOR_LIBDIR_openssl/libcrypto.a"
- fi
- else
- TOR_OPENSSL_LIBS="-lssl -lcrypto"
- fi
- AC_SUBST(TOR_OPENSSL_LIBS)
- dnl ------------------------------------------------------
- dnl Where do you live, zlib? And how do we call you?
- tor_zlib_pkg_redhat="zlib"
- tor_zlib_pkg_debian="zlib1g"
- tor_zlib_devpkg_redhat="zlib-devel"
- tor_zlib_devpkg_debian="zlib1g-dev"
- TOR_SEARCH_LIBRARY(zlib, $tryzlibdir, [-lz],
- [#include <zlib.h>],
- [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 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 linux/types.h sys/file.h malloc_np.h sys/prctl.h)
- TOR_CHECK_PROTOTYPE(malloc_good_size, HAVE_MALLOC_GOOD_SIZE_PROTOTYPE,
- [#ifdef HAVE_MALLOC_H
- #include <malloc.h>
- #endif
- #ifdef HAVE_MALLOC_MALLOC_H
- #include <malloc/malloc.h>
- #endif])
- AC_CHECK_HEADERS(net/if.h, net_if_found=1, net_if_found=0,
- [#ifdef HAVE_SYS_TYPES_H
- #include <sys/types.h>
- #endif
- #ifdef HAVE_SYS_SOCKET_H
- #include <sys/socket.h>
- #endif])
- AC_CHECK_HEADERS(net/pfvar.h, net_pfvar_found=1, net_pfvar_found=0,
- [#ifdef HAVE_SYS_TYPES_H
- #include <sys/types.h>
- #endif
- #ifdef HAVE_SYS_SOCKET_H
- #include <sys/socket.h>
- #endif
- #ifdef HAVE_NET_IF_H
- #include <net/if.h>
- #endif])
- AC_CHECK_HEADERS(linux/netfilter_ipv4.h,
- linux_netfilter_ipv4=1, linux_netfilter_ipv4=0,
- [#ifdef HAVE_SYS_TYPES_H
- #include <sys/types.h>
- #endif
- #ifdef HAVE_SYS_SOCKET_H
- #include <sys/socket.h>
- #endif
- #ifdef HAVE_LIMITS_H
- #include <limits.h>
- #endif
- #ifdef HAVE_LINUX_TYPES_H
- #include <linux/types.h>
- #endif
- #ifdef HAVE_NETINET_IN6_H
- #include <netinet/in6.h>
- #endif
- #ifdef HAVE_NETINET_IN_H
- #include <netinet/in.h>
- #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_CHECK_MEMBERS([struct timeval.tv_sec], , ,
- [#ifdef HAVE_SYS_TYPES_H
- #include <sys/types.h>
- #endif
- #ifdef HAVE_SYS_TIME_H
- #include <sys/time.h>
- #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])
- dnl used to include sockaddr_storage, but everybody has that.
- AC_CHECK_TYPES([struct in6_addr, struct sockaddr_in6, sa_family_t], , ,
- [#ifdef HAVE_SYS_TYPES_H
- #include <sys/types.h>
- #endif
- #ifdef HAVE_NETINET_IN_H
- #include <netinet/in.h>
- #endif
- #ifdef HAVE_NETINET_IN6_H
- #include <netinet/in6.h>
- #endif
- #ifdef HAVE_SYS_SOCKET_H
- #include <sys/socket.h>
- #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 <winsock.h>
- #else
- #include <winsock2.h>
- #include <ws2tcpip.h>
- #endif
- #endif
- ])
- AC_CHECK_MEMBERS([struct in6_addr.s6_addr32, struct in6_addr.s6_addr16, struct sockaddr_in.sin_len, struct sockaddr_in6.sin6_len], , ,
- [#ifdef HAVE_SYS_TYPES_H
- #include <sys/types.h>
- #endif
- #ifdef HAVE_NETINET_IN_H
- #include <netinet/in.h>
- #endif
- #ifdef HAVE_NETINET_IN6_H
- #include <netinet/in6.h>
- #endif
- #ifdef HAVE_SYS_SOCKET_H
- #include <sys/socket.h>
- #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 <winsock.h>
- #else
- #include <winsock2.h>
- #include <ws2tcpip.h>
- #endif
- #endif
- ])
- AC_CHECK_TYPES([rlim_t], , ,
- [#ifdef HAVE_SYS_TYPES_H
- #include <sys/types.h>
- #endif
- #ifdef HAVE_SYS_TIME_H
- #include <sys/time.h>
- #endif
- #ifdef HAVE_SYS_RESOURCE_H
- #include <sys/resource.h>
- #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 <sys/types.h>
- #endif
- #ifdef HAVE_SYS_TIME_H
- #include <sys/time.h>
- #endif
- #ifdef HAVE_TIME_H
- #include <time.h>
- #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 "$tor_cv_time_t_signed" != no; then
- AC_DEFINE([TIME_T_IS_SIGNED], 1,
- [Define to 1 iff time_t is signed])
- fi
- AC_CHECK_SIZEOF(socklen_t, , [AC_INCLUDES_DEFAULT()
- #ifdef HAVE_SYS_SOCKET_H
- #include <sys/socket.h>
- #endif
- ])
- # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
- AC_CHECK_SIZEOF(cell_t)
- # Now make sure that NULL can be represented as zero bytes.
- AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
- [AC_RUN_IFELSE([AC_LANG_SOURCE(
- [[#include <stdlib.h>
- #include <string.h>
- #include <stdio.h>
- #ifdef HAVE_STDDEF_H
- #include <stddef.h>
- #endif
- int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
- return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
- [tor_cv_null_is_zero=yes],
- [tor_cv_null_is_zero=no],
- [tor_cv_null_is_zero=cross])])
- if test "$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 "$tor_cv_null_is_zero" != no; then
- AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
- [Define to 1 iff memset(0) sets pointers to NULL])
- fi
- # And what happens when we malloc zero?
- AC_CACHE_CHECK([whether we can malloc(0) safely.], tor_cv_malloc_zero_works,
- [AC_RUN_IFELSE([AC_LANG_SOURCE(
- [[#include <stdlib.h>
- #include <string.h>
- #include <stdio.h>
- #ifdef HAVE_STDDEF_H
- #include <stddef.h>
- #endif
- int main () { return malloc(0)?0:1; }]])],
- [tor_cv_malloc_zero_works=yes],
- [tor_cv_malloc_zero_works=no],
- [tor_cv_malloc_zero_works=cross])])
- if test "$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 "$tor_cv_twos_complement" != no ; then
- AC_DEFINE([USING_TWOS_COMPLEMENT], 1,
- [Define to 1 iff we represent negative integers with two's complement])
- fi
- # What does shifting a negative value do?
- AC_CACHE_CHECK([whether right-shift on negative values does sign-extension], tor_cv_sign_extend,
- [AC_RUN_IFELSE([AC_LANG_SOURCE(
- [[int main () { int okay = (-60 >> 8) == -1; return okay ? 0 : 1; }]])],
- [tor_cv_sign_extend=yes],
- [tor_cv_sign_extend=no],
- [tor_cv_sign_extend=cross])])
- if test "$tor_cv_sign_extend" = cross ; then
- # Cross-compiling; let's hope that the target isn't raving mad.
- AC_MSG_NOTICE([Cross-compiling: we'll assume that right-shifting negative integers causes sign-extension])
- fi
- if test "$tor_cv_sign_extend" != no ; then
- AC_DEFINE([RSHIFT_DOES_SIGN_EXTEND], 1,
- [Define to 1 iff right-shifting a negative value performs sign-extension])
- fi
- # Whether we should use the dmalloc memory allocation debugging library.
- AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
- AC_ARG_WITH(dmalloc,
- [ --with-dmalloc Use debug memory allocation library. ],
- [if [[ "$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,$syslog_facility,[name of the syslog facility])
- AC_SUBST(LOGFACILITY)
- # Check if we have getresuid and getresgid
- AC_CHECK_FUNCS(getresuid getresgid)
- # Check for gethostbyname_r in all its glorious incompatible versions.
- # (This logic is based on that in Python's configure.in)
- AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
- [Define this if you have any gethostbyname_r()])
- AC_CHECK_FUNC(gethostbyname_r, [
- AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
- OLD_CFLAGS=$CFLAGS
- CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
- AC_COMPILE_IFELSE(AC_LANG_PROGRAM([
- #include <netdb.h>
- ], [[
- char *cp1, *cp2;
- struct hostent *h1, *h2;
- int i1, i2;
- (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
- ]]),[
- AC_DEFINE(HAVE_GETHOSTBYNAME_R)
- AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
- [Define this if gethostbyname_r takes 6 arguments])
- AC_MSG_RESULT(6)
- ], [
- AC_TRY_COMPILE([
- #include <netdb.h>
- ], [
- char *cp1, *cp2;
- struct hostent *h1;
- int i1, i2;
- (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
- ], [
- AC_DEFINE(HAVE_GETHOSTBYNAME_R)
- AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
- [Define this if gethostbyname_r takes 5 arguments])
- AC_MSG_RESULT(5)
- ], [
- AC_TRY_COMPILE([
- #include <netdb.h>
- ], [
- char *cp1;
- struct hostent *h1;
- struct hostent_data hd;
- (void) gethostbyname_r(cp1,h1,&hd);
- ], [
- AC_DEFINE(HAVE_GETHOSTBYNAME_R)
- AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
- [Define this if gethostbyname_r takes 3 arguments])
- AC_MSG_RESULT(3)
- ], [
- AC_MSG_RESULT(0)
- ])
- ])
- ])
- CFLAGS=$OLD_CFLAGS
- ])
- AC_CACHE_CHECK([whether the C compiler supports __func__],
- tor_cv_have_func_macro,
- AC_COMPILE_IFELSE([
- #include <stdio.h>
- 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 <stdio.h>
- 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 <stdio.h>
- 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 $localstatedir`
- AC_SUBST(LOCALSTATEDIR)
- # Set CFLAGS _after_ all the above checks, since our warnings are stricter
- # than autoconf's macros like.
- if test "$GCC" = yes; then
- CFLAGS="$CFLAGS -Wall -g -O2"
- # Disable GCC's strict aliasing checks. They are an hours-to-debug
- # accident waiting to happen.
- CFLAGS="$CFLAGS -fno-strict-aliasing"
- else
- CFLAGS="$CFLAGS -g -O"
- enable_gcc_warnings=no
- enable_gcc_warnings_advisory=no
- fi
- # Add some more warnings which we use in development but not in the
- # released versions. (Some relevant gcc versions can't handle these.)
- if test x$enable_gcc_warnings = xyes || test x$enable_gcc_warnings_advisory = xyes; then
- AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
- #if !defined(__GNUC__) || (__GNUC__ < 4)
- #error
- #endif]), have_gcc4=yes, have_gcc4=no)
- AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
- #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 2)
- #error
- #endif]), have_gcc42=yes, have_gcc42=no)
- AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], [
- #if !defined(__GNUC__) || (__GNUC__ < 4) || (__GNUC__ == 4 && __GNUC_MINOR__ < 3)
- #error
- #endif]), have_gcc43=yes, have_gcc43=no)
- save_CFLAGS="$CFLAGS"
- CFLAGS="$CFLAGS -Wshorten-64-to-32"
- AC_COMPILE_IFELSE(AC_LANG_PROGRAM([], []), have_shorten64_flag=yes,
- have_shorten64_flag=no)
- CFLAGS="$save_CFLAGS"
- case $host in
- *-*-openbsd*)
- # Some OpenBSD versions (like 4.8) have -Wsystem-headers by default.
- # That's fine, except that the headers don't pass -Wredundant-decls.
- # Therefore, let's disable -Wsystem-headers when we're building
- # with maximal warnings on OpenBSD.
- CFLAGS="$CFLAGS -Wno-system-headers" ;;
- esac
- CFLAGS="$CFLAGS -W -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls -Wchar-subscripts -Wcomment -Wformat=2 -Wwrite-strings -Wmissing-declarations -Wredundant-decls -Wnested-externs -Wbad-function-cast -Wswitch-enum"
- if test x$enable_gcc_warnings = xyes; then
- CFLAGS="$CFLAGS -Werror"
- fi
- # Disabled, so we can use mallinfo(): -Waggregate-return
- if test x$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 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
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