configure.in

   1
   2 AC_INIT
   3 AM_INIT_AUTOMAKE(tor, 0.0.9pre5-cvs)
   4 AM_CONFIG_HEADER(orconfig.h)
   5
   6 AC_CANONICAL_HOST
   7
   8 if test -f /etc/redhat-release; then
   9     CFLAGS="$CFLAGS -I/usr/kerberos/include"
  10 fi
  11
  12 AC_ARG_ENABLE(debug,
  13 [  --enable-debug          compiles with debugging info],
  14 [if test x$enableval = xyes; then
  15     CFLAGS="$CFLAGS -g"
  16 fi])
  17
  18 AC_PROG_CC
  19 AC_PROG_MAKE_SET
  20 AC_PROG_RANLIB
  21
  22 # The big search for OpenSSL
  23 # copied from openssh's configure.ac
  24 AC_ARG_WITH(ssl-dir,
  25         [  --with-ssl-dir=PATH     Specify path to OpenSSL installation ],
  26         [
  27                 if test "x$withval" != "xno" ; then
  28                         tryssldir=$withval
  29                 fi
  30         ]
  31 )
  32
  33 AC_SEARCH_LIBS(socket, [socket])
  34 AC_SEARCH_LIBS(gethostbyname, [nsl])
  35
  36 saved_LIBS="$LIBS"
  37 saved_LDFLAGS="$LDFLAGS"
  38 saved_CPPFLAGS="$CPPFLAGS"
  39 if test "x$prefix" != "xNONE" ; then
  40         tryssldir="$tryssldir $prefix"
  41 fi
  42 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
  43         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /usr/pkg /opt /opt/openssl ; do
  44                 CPPFLAGS="$saved_CPPFLAGS"
  45                 LDFLAGS="$saved_LDFLAGS"
  46                 LIBS="$saved_LIBS -lssl -lcrypto"
  47
  48                 # Skip directories if they don't exist
  49                 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
  50                         continue;
  51                 fi
  52                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
  53                         # Try to use $ssldir/lib if it exists, otherwise
  54                         # $ssldir
  55                         if test -d "$ssldir/lib" ; then
  56                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
  57                                 if test ! -z "$need_dash_r" ; then
  58                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
  59                                 fi
  60                         else
  61                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
  62                                 if test ! -z "$need_dash_r" ; then
  63                                         LDFLAGS="-R$ssldir $LDFLAGS"
  64                                 fi
  65                         fi
  66                         # Try to use $ssldir/include if it exists, otherwise
  67                         # $ssldir
  68                         if test -d "$ssldir/include" ; then
  69                                 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
  70                         else
  71                                 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
  72                         fi
  73                 fi
  74
  75                 # Basic test to check for compatible version and correct linking
  76                 # *does not* test for RSA - that comes later.
  77                 AC_TRY_RUN(
  78                         [
  79 #include <string.h>
  80 #include <openssl/rand.h>
  81 int main(void)
  82 {
  83         char a[2048];
  84         memset(a, 0, sizeof(a));
  85         RAND_add(a, sizeof(a), sizeof(a));
  86         return(RAND_status() <= 0);
  87 }
  88                         ],
  89                         [
  90                                 found_crypto=1
  91                                 break;
  92                         ], []
  93                 )
  94
  95                 if test ! -z "$found_crypto" ; then
  96                         break;
  97                 fi
  98         done
  99
 100         if test -z "$found_crypto" ; then
 101                 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
 102         fi
 103         if test -z "$ssldir" ; then
 104                 ssldir="(system)"
 105         fi
 106
 107         ac_cv_openssldir=$ssldir
 108 ])
 109 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ;
 110  then
 111         dnl Need to recover ssldir - test above runs in subshell
 112         ssldir=$ac_cv_openssldir
 113         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 114                 # Try to use $ssldir/lib if it exists, otherwise
 115                 # $ssldir
 116                 if test -d "$ssldir/lib" ; then
 117                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 118                         if test ! -z "$need_dash_r" ; then
 119                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
 120                         fi
 121                 else
 122                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
 123                         if test ! -z "$need_dash_r" ; then
 124                                 LDFLAGS="-R$ssldir $LDFLAGS"
 125                         fi
 126                 fi
 127                 # Try to use $ssldir/include if it exists, otherwise
 128                 # $ssldir
 129                 if test -d "$ssldir/include" ; then
 130                         CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 131                 else
 132                         CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 133                 fi
 134         fi
 135 fi
 136 LIBS="$saved_LIBS"
 137
 138 dnl The warning message here is no longer strictly accurate.
 139
 140 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 zlib.h, , AC_MSG_WARN(some headers were not found, compilation may fail))
 141
 142 dnl These headers are not essential
 143
 144 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)
 145
 146 AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit setrlimit strlcat strlcpy strtoull)
 147
 148 AC_CHECK_MEMBERS([struct timeval.tv_sec])
 149
 150 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
 151 dnl Watch out.
 152
 153 AC_CHECK_SIZEOF(int8_t)
 154 AC_CHECK_SIZEOF(int16_t)
 155 AC_CHECK_SIZEOF(int32_t)
 156 AC_CHECK_SIZEOF(int64_t)
 157 AC_CHECK_SIZEOF(uint8_t)
 158 AC_CHECK_SIZEOF(uint16_t)
 159 AC_CHECK_SIZEOF(uint32_t)
 160 AC_CHECK_SIZEOF(uint64_t)
 161 AC_CHECK_SIZEOF(intptr_t)
 162 AC_CHECK_SIZEOF(uintptr_t)
 163
 164 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
 165
 166 AC_CHECK_SIZEOF(char)
 167 AC_CHECK_SIZEOF(short)
 168 AC_CHECK_SIZEOF(int)
 169 AC_CHECK_SIZEOF(long)
 170 AC_CHECK_SIZEOF(long long)
 171 AC_CHECK_SIZEOF(__int64)
 172 AC_CHECK_SIZEOF(void *)
 173
 174 # Now, let's see about alignment requirements.  On some platforms, we override
 175 # the default.
 176 case $host in
 177  ia64-*-* | arm-*-* )
 178     tor_cv_unaligned_ok=no
 179     ;;
 180  *)
 181 AC_CACHE_CHECK([whether unaligned int access is allowed], tor_cv_unaligned_ok,
 182 [AC_RUN_IFELSE([AC_LANG_SOURCE(
 183 [[int main () { char s[] = "A\x00\x00\x00\x00\x00\x00\x00";
 184 return *(int*)(&s[1]); }]])],
 185        [tor_cv_unaligned_ok=yes],
 186        [tor_cv_unaligned_ok=no],
 187        [tor_cv_unaligned_ok=cross])])
 188 esac
 189
 190 if test $tor_cv_unaligned_ok = yes; then
 191   AC_DEFINE([UNALIGNED_INT_ACCESS_OK], 1,
 192             [Define to 1 iff unaligned int access is allowed])
 193 fi
 194
 195 # Now make sure that NULL can be represented as zero bytes.
 196 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
 197 [AC_RUN_IFELSE([AC_LANG_SOURCE(
 198 [[#include <stdlib.h>
 199 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
 200 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
 201        [tor_cv_null_is_zero=yes],
 202        [tor_cv_null_is_zero=no],
 203        [tor_cv_null_is_zero=cross])])
 204
 205 if test $tor_cv_null_is_zero = yes; then
 206   AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
 207             [Define to 1 iff memset(0) sets pointers to NULL])
 208 fi
 209
 210 # $prefix stores the value of the --prefix command line option, or
 211 # NONE if the option wasn't set.  In the case that it wasn't set, make
 212 # it be the default, so that we can use it to expand directories now.
 213 if test "x$prefix" = "xNONE"; then
 214   prefix=$ac_default_prefix
 215 fi
 216
 217 # and similarly for $exec_prefix
 218 if test "x$exec_prefix" = "xNONE"; then
 219   exec_prefix=$prefix
 220 fi
 221
 222 CONFDIR=`eval echo $sysconfdir/tor`
 223 AC_SUBST(CONFDIR)
 224 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
 225 AC_DEFINE([CONFDIR], [], [tor's configuration directory])
 226
 227 BINDIR=`eval echo $bindir`
 228 AC_SUBST(BINDIR)
 229
 230 LOCALSTATEDIR=`eval echo $localstatedir`
 231 AC_SUBST(LOCALSTATEDIR)
 232
 233 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
 234 # than autoconf's macros like.
 235 CFLAGS="$CFLAGS -Wall -W -Wno-unused-parameter -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -g -O2"
 236 # Add some more warnings which we use in the cvs version but not in the
 237 # released versions.
 238 CFLAGS="$CFLAGS -Wwrite-strings -Wredundant-decls"
 239
 240 # Add these in when you feel like fun.
 241 # -Wbad-function-cast -Werror  -Wdeclaration-after-statement
 242
 243 echo "confdir: $CONFDIR"
 244
 245 AC_OUTPUT(Makefile tor.spec contrib/tor.sh contrib/torify contrib/Makefile 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)