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tor/configure.in
Roger Dingledine dda54db36d bump to 0.1.1.14-alpha-cvs, and we're off. 
svn:r6062
2006-02-21 04:13:49 +00:00

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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, 0.1.1.14-alpha-cvs)
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"
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
fi
# Can I link it?
AC_TRY_LINK([], [ void *event_init(void); 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"
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
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"
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
fi
# Can I link it?
AC_TRY_LINK([],
[ void RAND_add(const void *, int, double); 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"
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
for ssl_extra in "" "-Wl,-R$ssl_libdir" "-R$ssl_libdir" ; do
LDFLAGS="$ssl_extra $saved_LDFLAGS"
AC_TRY_RUN([
#include <string.h>
#include <openssl/rand.h>
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 $openssl_runs = yes ; then
if test -z "$ssl_extra" ; then
ac_cv_openssl_linker_option='(none)'
else
ac_cv_openssl_linker_option=$ssl_extra
fi
ssl_runs=yes
break
fi
done
if test ssl_runs = no ; then
AC_MSG_ERROR([Found linkable OpenSSL in $ac_cv_openssl_dir, but it doesn't run, even with -R. Maybe specify another using --with-ssl-dir?])
fi
LDFLAGS="$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 <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, 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 <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 $tor_cv_null_is_zero = yes; then
AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
[Define to 1 iff memset(0) sets pointers to NULL])
fi
# Whether we should use the dmalloc memory allocation debugging library.
AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
AC_ARG_WITH(dmalloc,
[ --with-dmalloc Use debug memory allocation library. ],
[if [[ "$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 $MY_CFLAGS"
AC_TRY_COMPILE([
#include <netdb.h>
], [
char *cp1, *cp2;
struct hostent *h1, *h2;
int i1, i2;
(void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
], [
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
[Define this if gethostbyname_r takes 6 arguments])
AC_MSG_RESULT(6)
], [
AC_TRY_COMPILE([
#include <netdb.h>
], [
char *cp1, *cp2;
struct hostent *h1;
int i1, i2;
(void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
], [
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
[Define this if gethostbyname_r takes 5 arguments])
AC_MSG_RESULT(5)
], [
AC_TRY_COMPILE([
#include <netdb.h>
], [
char *cp1;
struct hostent *h1;
struct hostent_data hd;
(void) gethostbyname_r(cp1,h1,&hd);
], [
AC_DEFINE(HAVE_GETHOSTBYNAME_R)
AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
[Define this if gethostbyname_r takes 3 arguments])
AC_MSG_RESULT(3)
], [
AC_MSG_RESULT(0)
])
])
])
CFLAGS=$OLD_CFLAGS
])
# $prefix stores the value of the --prefix command line option, or
# NONE if the option wasn't set. In the case that it wasn't set, make
# it be the default, so that we can use it to expand directories now.
if test "x$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 $sysconfdir/tor`
AC_SUBST(CONFDIR)
AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
AC_DEFINE([CONFDIR], [], [tor's configuration directory])
BINDIR=`eval echo $bindir`
AC_SUBST(BINDIR)
LOCALSTATEDIR=`eval echo $localstatedir`
AC_SUBST(LOCALSTATEDIR)
AC_DEFINE_UNQUOTED(LOCALSTATEDIR,"$LOCALSTATEDIR")
AC_DEFINE([LOCALSTATEDIR], [], [Default location to store state files.])
# Set CFLAGS _after_ all the above checks, since our warnings are stricter
# than autoconf's macros like.
CFLAGS="$CFLAGS -Wall -g -O2"
# Add some more warnings which we use in the cvs version but not in the
# released versions. (Some relevant gcc versions can't handle these.)
#CFLAGS="$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)
if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
./contrib/updateVersions.pl
fi
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