vde-2/configure.ac

   1 #                                               -*- Autoconf -*-
   2 # Process this file with autoconf to produce a configure script.
   3
   4 AC_PREREQ(2.59)
   5 AC_INIT(vde2, [2.1.3], renzo@cs.unibo.it)
   6 AM_INIT_AUTOMAKE([foreign])
   7 AC_CONFIG_SRCDIR([vde.h])
   8 AC_CONFIG_HEADER([config.h])
   9
  10 # Checks for programs.
  11 AC_PROG_CXX
  12 AC_PROG_CC
  13 AC_PROG_INSTALL
  14 AC_PROG_LN_S
  15 AC_PROG_LIBTOOL
  16
  17 # Checks for libraries.
  18 AC_CHECK_LIB([dl], [dlopen])
  19 AC_CHECK_LIB([crypto], [EVP_EncryptInit],
  20                 [add_cryptcab_support=yes],
  21                 [add_cryptcab_support=no ; warn_cryptcab=yes])
  22
  23 # Checks for header files.
  24 AC_HEADER_STDC
  25 AC_HEADER_SYS_WAIT
  26 AC_CHECK_HEADERS([arpa/inet.h fcntl.h netdb.h netinet/in.h stddef.h stdint.h stdlib.h string.h strings.h sys/ioctl.h sys/param.h sys/socket.h sys/time.h syslog.h termio.h termios.h unistd.h sys/filio.h sys/bitypes.h sys/wait.h sys/select.h sys/signal.h sys/stropts.h termios.h sys/type32.h])
  27
  28 # Checks for typedefs, structures, and compiler characteristics.
  29 AC_C_CONST
  30 AC_C_INLINE
  31 AC_C_BIGENDIAN
  32 AC_C_PROTOTYPES
  33 AC_TYPE_MODE_T
  34 AC_TYPE_PID_T
  35 AC_TYPE_SIZE_T
  36 AC_HEADER_TIME
  37
  38 # Checks for library functions.
  39 AC_FUNC_CHOWN
  40 AC_FUNC_FORK
  41 AC_PROG_GCC_TRADITIONAL
  42 AC_FUNC_MALLOC
  43 AC_FUNC_MEMCMP
  44 AC_FUNC_REALLOC
  45 AC_FUNC_SELECT_ARGTYPES
  46 AC_TYPE_SIGNAL
  47 AC_FUNC_VPRINTF
  48 AC_CHECK_FUNCS([atexit dup2 gethostbyname gethostname gettimeofday inet_ntoa memmove memset putenv select setenv socket strchr strdup strndup strerror strstr uname inet_aton sprintf readv random srandom index bcmp drand48 memmove gethostid revoke fchmod getopt_long_only])
  49
  50 # All other nice checks I have to make for recostructing missing parts of
  51 # slirp's config.h file
  52 AC_CHECK_SIZEOF(char)
  53 AC_CHECK_SIZEOF(short)
  54 AC_CHECK_SIZEOF(int)
  55 AC_CHECK_SIZEOF(char *)
  56
  57 # Define VDE_LINUX or VDE_DARWIN
  58 case "$build_os" in
  59         linux*)
  60                 AC_DEFINE([VDE_LINUX], 1, [If defined, this is a Linux system])
  61                 ;;
  62         darwin*)
  63                 AC_DEFINE([VDE_DARWIN], 1, [If defined, this is a Darwin system])
  64                 ;;
  65         *)
  66                 AC_MSG_ERROR([Unsupported architecture: $build_os. At the moment, only
  67 Linux and Darwin are supported. Contributions are appreciated! :-)])
  68                 ;;
  69 esac
  70
  71
  72 # Disable vde_cryptcab? (depends on ssl, maybe unwanted)
  73 AC_ARG_ENABLE([cryptcab],
  74         AS_HELP_STRING([--disable-cryptcab],
  75                 [Disable libcrypto-dependend vde_cryptcab compilation]),
  76         [if test $enableval = "no" ; then add_cryptcab_support=no ; warn_cryptcab=no ; fi])
  77
  78 # Check of tuntap device
  79 AC_ARG_ENABLE([tuntap],
  80     AS_HELP_STRING([--disable-tuntap],
  81       [Disable tuntap compilation]),
  82     [if test $enableval != "no" ; then add_tuntap_support=yes ; else add_tuntap_support=no ; fi],
  83     [add_tuntap_support=yes])
  84
  85 # Check for tuntap support for Linux and OSX
  86 if test "$add_tuntap_support" = yes ; then
  87         case "$build_os" in
  88                 linux*)
  89                         AC_CHECK_HEADER([linux/if_tun.h],
  90                                 [AC_DEFINE([TUNTAP], 1, [If defined, tuntap support is compiled in])],
  91                                 [AC_MSG_ERROR([Tuntap support seem to be not enabled on your kernel])])
  92                         can_make_libvdetap=yes
  93                         ;;
  94                 darwin*)
  95                         # I don't use AC_CHECK_FILES because I need test -e and not test -r
  96                         for i in /dev/tap0 /Library/Extensions/tap.kext /System/Library/Extensions/tap.kext ; do
  97                                 AC_MSG_CHECKING([for $i])
  98                                 if test -e "$i" ; then
  99                                         AC_MSG_RESULT([yes])
 100                                         definename="`echo "$i" | tr "a-z*" "A-ZP" | tr -c "0-9A-Z" "_"`"
 101                                         AC_DEFINE_UNQUOTED([HAVE_$definename])
 102                                         eval HAVE_$definename=yes
 103                                 else
 104                                         AC_MSG_RESULT([no])
 105                                 fi
 106                         done
 107
 108                         if test "$HAVE__DEV_TAP0_" ; then
 109                                 AC_DEFINE([TUNTAP], 1, [If defined, tuntap support is compiled in])
 110                                 if ! test "$HAVE__LIBRARY_EXTENSIONS_TAP_KEXT_" -o "$HAVE__SYSTEM_LIBRARY_EXTENSIONS_TAP_KEXT_" ; then
 111                                         AC_MSG_WARN([/dev/tap0 exists, but the kext cannot be found. Let's hope your
 112 configuration does work...])
 113                                 fi
 114                                 AC_MSG_CHECKING([for broken poll() support in Tiger])
 115                                 if expr "$build_os" : "darwin8\..*" > /dev/null; then
 116                                         AC_MSG_RESULT([yes, emulating with select()])
 117                                         AC_DEFINE([HAVE_BROKEN_POLL], 1, [If defined, use poll2select])
 118                                         have_broken_poll=yes
 119                                 else
 120                                         AC_MSG_RESULT([no])
 121                                 fi
 122                         else
 123                                 AC_MSG_ERROR([You do not have tuntap support. You can get it here:
 124 http://www-user.rhrk.uni-kl.de/~nissler/tuntap/])
 125                         fi
 126                         ;;
 127         esac
 128 fi
 129
 130 AM_CONDITIONAL(ENABLE_CRYPTCAB, test "$add_cryptcab_support" = yes)
 131 AM_CONDITIONAL(WANT_TUNTAP, test "$add_tuntap_support" = yes)
 132 AM_CONDITIONAL(CAN_MAKE_LIBVDETAP, test "$can_make_libvdetap" = yes)
 133 AM_CONDITIONAL(HAVE_BROKEN_POLL, test "$have_broken_poll" = yes)
 134
 135 AC_CONFIG_FILES([Makefile]
 136                 [doc/Makefile]
 137                 [qemu/Makefile]
 138                 [slirpvde/Makefile]
 139                 [vdetaplib/Makefile]
 140                 [libvdeplug/Makefile]
 141                 [vde_plug/Makefile]
 142                 [vde_cryptcab/Makefile]
 143                 [bochs/Makefile]
 144                 [dpipe/Makefile]
 145                 [unixterm/Makefile]
 146                 [wirefilter/Makefile]
 147                 [uml/Makefile])
 148 AC_OUTPUT
 149
 150 if test x$warn_cryptcab = "xyes"
 151 then
 152         AC_MSG_WARN([VDE CryptCab support has been disabled because libcrypto is not installed on
 153 your system. Please install it if you want CryptCab to be compiled and
 154 installed.])
 155 fi