configure.in 7.04 KB
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AC_INIT
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AM_INIT_AUTOMAKE(tor, 0.0.6)
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AM_CONFIG_HEADER(orconfig.h)

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CFLAGS="$CFLAGS -Wall -g -O2 -I/usr/kerberos/include"
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AC_ARG_ENABLE(debug,
[  --enable-debug          compiles with debugging info],
[if test x$enableval = xyes; then
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    CFLAGS="$CFLAGS -g"
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fi])

AC_PROG_CC
AC_PROG_MAKE_SET
AC_PROG_RANLIB

# The big search for OpenSSL
# copied from openssh's configure.ac
AC_ARG_WITH(ssl-dir,
        [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
        [
                if test "x$withval" != "xno" ; then
                        tryssldir=$withval
                fi
        ]
)

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AC_SEARCH_LIBS(socket, [socket])
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AC_SEARCH_LIBS(gethostbyname, [nsl])
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saved_LIBS="$LIBS"
saved_LDFLAGS="$LDFLAGS"
saved_CPPFLAGS="$CPPFLAGS"
if test "x$prefix" != "xNONE" ; then
        tryssldir="$tryssldir $prefix"
fi
AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
        for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/pkg /opt /opt/openssl ; do
                CPPFLAGS="$saved_CPPFLAGS"
                LDFLAGS="$saved_LDFLAGS"
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                LIBS="$saved_LIBS -lssl -lcrypto"

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                # Skip directories if they don't exist
                if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
                        continue;
                fi
                if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
                        # Try to use $ssldir/lib if it exists, otherwise 
                        # $ssldir
                        if test -d "$ssldir/lib" ; then
                                LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
                                if test ! -z "$need_dash_r" ; then
                                        LDFLAGS="-R$ssldir/lib $LDFLAGS"
                                fi
                        else
                                LDFLAGS="-L$ssldir $saved_LDFLAGS"
                                if test ! -z "$need_dash_r" ; then
                                        LDFLAGS="-R$ssldir $LDFLAGS"
                                fi
                        fi
                        # Try to use $ssldir/include if it exists, otherwise 
                        # $ssldir
                        if test -d "$ssldir/include" ; then
                                CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
                        else
                                CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
                        fi
                fi

                # Basic test to check for compatible version and correct linking
                # *does not* test for RSA - that comes later.
                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);
}
                        ],
                        [
                                found_crypto=1
                                break;
                        ], []
                )

                if test ! -z "$found_crypto" ; then
                        break;
                fi
        done

        if test -z "$found_crypto" ; then
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                AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
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        fi
        if test -z "$ssldir" ; then
                ssldir="(system)"
        fi

        ac_cv_openssldir=$ssldir
])
if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ;
 then
        dnl Need to recover ssldir - test above runs in subshell
        ssldir=$ac_cv_openssldir
        if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
                # Try to use $ssldir/lib if it exists, otherwise 
                # $ssldir
                if test -d "$ssldir/lib" ; then
                        LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
                        if test ! -z "$need_dash_r" ; then
                                LDFLAGS="-R$ssldir/lib $LDFLAGS"
                        fi
                else
                        LDFLAGS="-L$ssldir $saved_LDFLAGS"
                        if test ! -z "$need_dash_r" ; then
                                LDFLAGS="-R$ssldir $LDFLAGS"
                        fi
                fi
                # Try to use $ssldir/include if it exists, otherwise 
                # $ssldir
                if test -d "$ssldir/include" ; then
                        CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
                else
                        CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
                fi
        fi
fi
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LIBS="$saved_LIBS -lssl -lcrypto"
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dnl The warning message here is no longer strictly accurate.

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AC_CHECK_HEADERS(unistd.h string.h signal.h netdb.h ctype.h poll.h sys/stat.h sys/poll.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))
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dnl These headers are not essential

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AC_CHECK_HEADERS(stdint.h sys/types.h inttypes.h sys/wait.h sys/limits.h netinet/in.h arpa/inet.h machine/limits.h)
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AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime)
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AC_REPLACE_FUNCS(strlcat strlcpy)
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dnl In case we aren't given a working stdint.h, we'll need to grow our own.
dnl Watch out.

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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)

dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t])
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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)

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# Now, let's see about alignment requirements
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])])
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if test $tor_cv_unaligned_ok = yes; then
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  AC_DEFINE([UNALIGNED_INT_ACCESS_OK], 1,
            [Define to 1 iff unaligned int access is allowed])
fi

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# $prefix stores the value of the --prefix command line option, or
# NONE if the option wasn't set.  In the case that it wasn't set, make
# it be the default, so that we can use it to expand directories now.
if test "x$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)

echo "confdir: $CONFDIR"

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AC_OUTPUT(Makefile contrib/tor.sh contrib/torify contrib/Makefile contrib/tor.spec src/config/torrc.sample doc/tor.1 src/Makefile doc/Makefile src/config/Makefile src/common/Makefile src/or/Makefile)
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