configure.in

   1
   2 AC_INIT
   3 AM_INIT_AUTOMAKE(tor, 0.1.0.0-alpha-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=$withval
  29                 fi
  30         ]
  31 )
  32
  33 AC_SEARCH_LIBS(socket, [socket])
  34 AC_SEARCH_LIBS(gethostbyname, [nsl])
  35 AC_SEARCH_LIBS(pthread_create, [pthread])
  36 AC_SEARCH_LIBS(pthread_detach, [pthread])
  37 AC_SEARCH_LIBS(event_loop, [event], , AC_MSG_ERROR(Libevent library not found. Tor requires libevent to build.))
  38
  39 saved_LIBS="$LIBS"
  40 saved_LDFLAGS="$LDFLAGS"
  41 saved_CPPFLAGS="$CPPFLAGS"
  42 if test "x$prefix" != "xNONE" ; then
  43         tryssldir="$tryssldir $prefix"
  44 fi
  45 AC_CACHE_CHECK([for OpenSSL directory], ac_cv_openssldir, [
  46         for ssldir in $tryssldir "" /usr/local/openssl /usr/lib/openssl /usr/local/ssl /usr/lib/ssl /usr/local /usr/athena /usr/pkg /opt /opt/openssl ; do
  47                 CPPFLAGS="$saved_CPPFLAGS"
  48                 LDFLAGS="$saved_LDFLAGS"
  49                 LIBS="$saved_LIBS -lssl -lcrypto"
  50
  51                 # Skip directories if they don't exist
  52                 if test ! -z "$ssldir" -a ! -d "$ssldir" ; then
  53                         continue;
  54                 fi
  55                 if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
  56                         # Try to use $ssldir/lib if it exists, otherwise
  57                         # $ssldir
  58                         if test -d "$ssldir/lib" ; then
  59                                 LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
  60                                 if test ! -z "$need_dash_r" ; then
  61                                         LDFLAGS="-R$ssldir/lib $LDFLAGS"
  62                                 fi
  63                         else
  64                                 LDFLAGS="-L$ssldir $saved_LDFLAGS"
  65                                 if test ! -z "$need_dash_r" ; then
  66                                         LDFLAGS="-R$ssldir $LDFLAGS"
  67                                 fi
  68                         fi
  69                         # Try to use $ssldir/include if it exists, otherwise
  70                         # $ssldir
  71                         if test -d "$ssldir/include" ; then
  72                                 CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
  73                         else
  74                                 CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
  75                         fi
  76                 fi
  77
  78                 # Basic test to check for compatible version and correct linking
  79                 # *does not* test for RSA - that comes later.
  80                 AC_TRY_RUN(
  81                         [
  82 #include <string.h>
  83 #include <openssl/rand.h>
  84 int main(void)
  85 {
  86         char a[2048];
  87         memset(a, 0, sizeof(a));
  88         RAND_add(a, sizeof(a), sizeof(a));
  89         return(RAND_status() <= 0);
  90 }
  91                         ],
  92                         [
  93                                 found_crypto=1
  94                                 break;
  95                         ], []
  96                 )
  97
  98                 if test ! -z "$found_crypto" ; then
  99                         break;
 100                 fi
 101         done
 102
 103         if test -z "$found_crypto" ; then
 104                 AC_MSG_ERROR([Could not find working OpenSSL library, please install or check config.log])
 105         fi
 106         if test -z "$ssldir" ; then
 107                 ssldir="(system)"
 108         fi
 109
 110         ac_cv_openssldir=$ssldir
 111 ])
 112 if (test ! -z "$ac_cv_openssldir" && test "x$ac_cv_openssldir" != "x(system)") ;
 113  then
 114         dnl Need to recover ssldir - test above runs in subshell
 115         ssldir=$ac_cv_openssldir
 116         if test ! -z "$ssldir" -a "x$ssldir" != "x/usr"; then
 117                 # Try to use $ssldir/lib if it exists, otherwise
 118                 # $ssldir
 119                 if test -d "$ssldir/lib" ; then
 120                         LDFLAGS="-L$ssldir/lib $saved_LDFLAGS"
 121                         if test ! -z "$need_dash_r" ; then
 122                                 LDFLAGS="-R$ssldir/lib $LDFLAGS"
 123                         fi
 124                 else
 125                         LDFLAGS="-L$ssldir $saved_LDFLAGS"
 126                         if test ! -z "$need_dash_r" ; then
 127                                 LDFLAGS="-R$ssldir $LDFLAGS"
 128                         fi
 129                 fi
 130                 # Try to use $ssldir/include if it exists, otherwise
 131                 # $ssldir
 132                 if test -d "$ssldir/include" ; then
 133                         CPPFLAGS="-I$ssldir/include $saved_CPPFLAGS"
 134                 else
 135                         CPPFLAGS="-I$ssldir $saved_CPPFLAGS"
 136                 fi
 137         fi
 138 fi
 139 LIBS="$saved_LIBS"
 140
 141 AC_SYS_LARGEFILE
 142
 143 dnl The warning message here is no longer strictly accurate.
 144
 145 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))
 146
 147 AC_CHECK_HEADERS(event.h, , AC_MSG_ERROR(Libevent header (event.h) not found. Tor requires libevent to build.))
 148
 149 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.))
 150
 151 dnl These headers are not essential
 152
 153 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 pthread.h stddef.h inttypes.h)
 154
 155 AC_CHECK_FUNCS(gettimeofday ftime socketpair uname inet_aton strptime getrlimit setrlimit strlcat strlcpy strtoull getpwnam ftello pthread_create getaddrinfo localtime_r gmtime_r)
 156 AC_FUNC_FSEEKO
 157
 158 AC_CHECK_MEMBERS([struct timeval.tv_sec])
 159
 160
 161 dnl In case we aren't given a working stdint.h, we'll need to grow our own.
 162 dnl Watch out.
 163
 164 AC_CHECK_SIZEOF(int8_t)
 165 AC_CHECK_SIZEOF(int16_t)
 166 AC_CHECK_SIZEOF(int32_t)
 167 AC_CHECK_SIZEOF(int64_t)
 168 AC_CHECK_SIZEOF(uint8_t)
 169 AC_CHECK_SIZEOF(uint16_t)
 170 AC_CHECK_SIZEOF(uint32_t)
 171 AC_CHECK_SIZEOF(uint64_t)
 172 AC_CHECK_SIZEOF(intptr_t)
 173 AC_CHECK_SIZEOF(uintptr_t)
 174
 175 dnl AC_CHECK_TYPES([int8_t, int16_t, int32_t, int64_t, uint8_t, uint16_t, uint32_t, uint64_t, intptr_t, uintptr_t])
 176
 177 AC_CHECK_SIZEOF(char)
 178 AC_CHECK_SIZEOF(short)
 179 AC_CHECK_SIZEOF(int)
 180 AC_CHECK_SIZEOF(long)
 181 AC_CHECK_SIZEOF(long long)
 182 AC_CHECK_SIZEOF(__int64)
 183 AC_CHECK_SIZEOF(void *)
 184 AC_CHECK_SIZEOF(time_t)
 185
 186 # We want to make sure that we _don't_ have a cell_t defined, like IRIX does.
 187
 188 AC_CHECK_SIZEOF(cell_t)
 189
 190 # Now, let's see about alignment requirements.  On some platforms, we override
 191 # the default.
 192 case $host in
 193  ia64-*-* | arm-*-* )
 194     tor_cv_unaligned_ok=no
 195     ;;
 196  *)
 197 AC_CACHE_CHECK([whether unaligned int access is allowed], tor_cv_unaligned_ok,
 198 [AC_RUN_IFELSE([AC_LANG_SOURCE(
 199 [[int main () { char s[] = "A\x00\x00\x00\x00\x00\x00\x00";
 200 return *(int*)(&s[1]); }]])],
 201        [tor_cv_unaligned_ok=yes],
 202        [tor_cv_unaligned_ok=no],
 203        [tor_cv_unaligned_ok=cross])])
 204 esac
 205
 206 if test $tor_cv_unaligned_ok = yes; then
 207   AC_DEFINE([UNALIGNED_INT_ACCESS_OK], 1,
 208             [Define to 1 iff unaligned int access is allowed])
 209 fi
 210
 211 # Now make sure that NULL can be represented as zero bytes.
 212 AC_CACHE_CHECK([whether memset(0) sets pointers to NULL], tor_cv_null_is_zero,
 213 [AC_RUN_IFELSE([AC_LANG_SOURCE(
 214 [[#include <stdlib.h>
 215 #include <string.h>
 216 #include <stdio.h>
 217 #ifdef HAVE_STDDEF_H
 218 #include <stddef.h>
 219 #endif
 220 int main () { char *p1,*p2; p1=NULL; memset(&p2,0,sizeof(p2));
 221 return memcmp(&p1,&p2,sizeof(char*))?1:0; }]])],
 222        [tor_cv_null_is_zero=yes],
 223        [tor_cv_null_is_zero=no],
 224        [tor_cv_null_is_zero=cross])])
 225
 226 if test $tor_cv_null_is_zero = yes; then
 227   AC_DEFINE([NULL_REP_IS_ZERO_BYTES], 1,
 228             [Define to 1 iff memset(0) sets pointers to NULL])
 229 fi
 230
 231 # Whether we should use the dmalloc memory allocation debugging library.
 232 AC_MSG_CHECKING(whether to use dmalloc (debug memory allocation library))
 233 AC_ARG_WITH(dmalloc,
 234 [  --with-dmalloc          Use debug memory allocation library. ],
 235 [if [[ "$withval" = "yes" ]]; then
 236   dmalloc=1
 237   AC_MSG_RESULT(yes)
 238 else
 239   dmalloc=1
 240   AC_MSG_RESULT(no)
 241 fi], [ dmalloc=0; AC_MSG_RESULT(no) ]
 242 )
 243
 244 if [[ $dmalloc -eq 1 ]]; then
 245   AC_CHECK_HEADERS(dmalloc.h, , AC_MSG_ERROR(dmalloc header file not found. Do you have the development files for dmalloc installed?))
 246   AC_SEARCH_LIBS(dmalloc_malloc, [dmalloc], , AC_MSG_ERROR(Libdmalloc library not found. If you enable it you better have it installed.))
 247   AC_DEFINE(USE_DMALLOC, 1, [Debug memory allocation library])
 248   AC_DEFINE(DMALLOC_FUNC_CHECK, 1, [Enable dmalloc's malloc function check])
 249 fi
 250
 251 # Check for gethostbyname_r in all its glorious incompatible versions.
 252 #   (This logic is based on that in Python's configure.in)
 253 AH_TEMPLATE(HAVE_GETHOSTBYNAME_R,
 254   [Define this if you have any gethostbyname_r()])
 255
 256 AC_CHECK_FUNC(gethostbyname_r, [
 257   AC_MSG_CHECKING([how many arguments gethostbyname_r() wants])
 258   OLD_CFLAGS=$CFLAGS
 259   CFLAGS="$CFLAGS $MY_CPPFLAGS $MY_THREAD_CPPFLAGS $MY_CFLAGS"
 260   AC_TRY_COMPILE([
 261 #include <netdb.h>
 262   ], [
 263     char *cp1, *cp2;
 264     struct hostent *h1, *h2;
 265     int i1, i2;
 266     (void)gethostbyname_r(cp1,h1,cp2,i1,&h2,&i2);
 267   ], [
 268     AC_DEFINE(HAVE_GETHOSTBYNAME_R)
 269     AC_DEFINE(HAVE_GETHOSTBYNAME_R_6_ARG, 1,
 270      [Define this if gethostbyname_r takes 6 arguments])
 271     AC_MSG_RESULT(6)
 272   ], [
 273     AC_TRY_COMPILE([
 274 #include <netdb.h>
 275     ], [
 276       char *cp1, *cp2;
 277       struct hostent *h1;
 278       int i1, i2;
 279       (void)gethostbyname_r(cp1,h1,cp2,i1,&i2);
 280     ], [
 281       AC_DEFINE(HAVE_GETHOSTBYNAME_R)
 282       AC_DEFINE(HAVE_GETHOSTBYNAME_R_5_ARG, 1,
 283         [Define this if gethostbyname_r takes 5 arguments])
 284       AC_MSG_RESULT(5)
 285    ], [
 286       AC_TRY_COMPILE([
 287 #include <netdb.h>
 288      ], [
 289        char *cp1;
 290        struct hostent *h1;
 291        struct hostent_data hd;
 292        (void) gethostbyname_r(cp1,h1,&hd);
 293      ], [
 294        AC_DEFINE(HAVE_GETHOSTBYNAME_R)
 295        AC_DEFINE(HAVE_GETHOSTBYNAME_R_3_ARG, 1,
 296          [Define this if gethostbyname_r takes 3 arguments])
 297        AC_MSG_RESULT(3)
 298      ], [
 299        AC_MSG_RESULT(0)
 300      ])
 301   ])
 302  ])
 303  CFLAGS=$OLD_CFLAGS
 304 ])
 305
 306 # $prefix stores the value of the --prefix command line option, or
 307 # NONE if the option wasn't set.  In the case that it wasn't set, make
 308 # it be the default, so that we can use it to expand directories now.
 309 if test "x$prefix" = "xNONE"; then
 310   prefix=$ac_default_prefix
 311 fi
 312
 313 # and similarly for $exec_prefix
 314 if test "x$exec_prefix" = "xNONE"; then
 315   exec_prefix=$prefix
 316 fi
 317
 318 CONFDIR=`eval echo $sysconfdir/tor`
 319 AC_SUBST(CONFDIR)
 320 AC_DEFINE_UNQUOTED(CONFDIR,"$CONFDIR")
 321 AC_DEFINE([CONFDIR], [], [tor's configuration directory])
 322
 323 BINDIR=`eval echo $bindir`
 324 AC_SUBST(BINDIR)
 325
 326 LOCALSTATEDIR=`eval echo $localstatedir`
 327 AC_SUBST(LOCALSTATEDIR)
 328
 329 # Set CFLAGS _after_ all the above checks, since our warnings are stricter
 330 # than autoconf's macros like.
 331 CFLAGS="$CFLAGS -Wall -g -O2"
 332 # Add some more warnings which we use in the cvs version but not in the
 333 # released versions.  (Some relevant gcc versions can't handle these.)
 334 #CFLAGS="$CFLAGS -W -Wno-unused-parameter -Wfloat-equal -Wundef -Wpointer-arith -Wstrict-prototypes -Wmissing-prototypes -Wwrite-strings -Wredundant-decls"
 335 # Add these in when you feel like fun.
 336 #CFLAGS="$CFLAGS -Wbad-function-cast -Werror -Wdeclaration-after-statement"
 337
 338 echo "confdir: $CONFDIR"
 339
 340 AC_OUTPUT(Makefile tor.spec contrib/tor.sh contrib/torctl contrib/torify contrib/Makefile contrib/osx/Makefile contrib/osx/TorBundleDesc.plist contrib/osx/TorBundleInfo.plist contrib/osx/TorDesc.plist contrib/osx/TorInfo.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)
 341
 342 if test -x /usr/bin/perl && test -x ./contrib/updateVersions.pl ; then
 343   ./contrib/updateVersions.pl
 344 fi
 345