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(vde, [2.0.0], renzo@cs.unibo.it)
   6 AM_INIT_AUTOMAKE
   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
  20 # Checks for header files.
  21 AC_HEADER_STDC
  22 AC_HEADER_SYS_WAIT
  23 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])
  24
  25 # Checks for typedefs, structures, and compiler characteristics.
  26 AC_C_CONST
  27 AC_C_INLINE
  28 AC_C_BIGENDIAN
  29 AC_C_PROTOTYPES
  30 AC_TYPE_MODE_T
  31 AC_TYPE_PID_T
  32 AC_TYPE_SIZE_T
  33 AC_HEADER_TIME
  34
  35 # Checks for library functions.
  36 AC_FUNC_CHOWN
  37 AC_FUNC_FORK
  38 AC_PROG_GCC_TRADITIONAL
  39 AC_FUNC_MALLOC
  40 AC_FUNC_MEMCMP
  41 AC_FUNC_REALLOC
  42 AC_FUNC_SELECT_ARGTYPES
  43 AC_TYPE_SIGNAL
  44 AC_FUNC_VPRINTF
  45 AC_CHECK_FUNCS([atexit dup2 gethostbyname gethostname gettimeofday inet_ntoa memmove memset putenv select setenv socket strchr strdup strerror strstr uname inet_aton sprintf readv random srandom index bcmp drand48 memmove gethostid revoke fchmod getopt_long_only])
  46
  47 # All other nice checks I have to make for recostructing missing parts of
  48 # slirp's config.h file
  49 AC_CHECK_SIZEOF(char)
  50 AC_CHECK_SIZEOF(short)
  51 AC_CHECK_SIZEOF(int)
  52 AC_CHECK_SIZEOF(char *)
  53
  54 # Define VDE_LINUX or VDE_DARWIN
  55 case "$build_os" in
  56         linux*)
  57                 AC_DEFINE([VDE_LINUX], 1, [If defined, this is a Linux system])
  58                 ;;
  59         darwin*)
  60                 AC_DEFINE([VDE_DARWIN], 1, [If defined, this is a Darwin system])
  61                 ;;
  62         *)
  63                 AC_MSG_ERROR([Unsupported architecture: $build_os. At the moment, only
  64 Linux and Darwin are supported. Contributions are appreciated! :-)])
  65                 ;;
  66 esac
  67
  68 # Check of tuntap device
  69 AC_ARG_ENABLE([tuntap],
  70     AS_HELP_STRING([--disable-tuntap],
  71       [Disable tuntap compilation]),
  72     [if test $enableval != "no" ; then add_tuntap_support=yes ; else add_tuntap_support=no ; fi],
  73     [add_tuntap_support=yes])
  74
  75 # Check for tuntap support for Linux and OSX
  76 if test "$add_tuntap_support" = yes ; then
  77         case "$build_os" in
  78                 linux*)
  79                         AC_CHECK_HEADER([linux/if_tun.h],
  80                                 [AC_DEFINE([TUNTAP], 1, [If defined, tuntap support is compiled in])],
  81                                 [AC_MSG_ERROR([Tuntap support seem to be not enabled on your kernel])])
  82                         can_make_libvdetap=yes
  83                         ;;
  84                 darwin*)
  85                         # I don't use AC_CHECK_FILES because I need test -e and not test -r
  86                         for i in /dev/tap0 /Library/Extensions/tap.kext /System/Library/Extensions/tap.kext ; do
  87                                 AC_MSG_CHECKING([for $i])
  88                                 if test -e "$i" ; then
  89                                         AC_MSG_RESULT([yes])
  90                                         definename="`echo "$i" | tr "a-z*" "A-ZP" | tr -c "0-9A-Z" "_"`"
  91                                         AC_DEFINE_UNQUOTED([HAVE_$definename])
  92                                         eval HAVE_$definename=yes
  93                                 else
  94                                         AC_MSG_RESULT([no])
  95                                 fi
  96                         done
  97
  98                         if test "$HAVE__DEV_TAP0_" ; then
  99                                 AC_DEFINE([TUNTAP], 1, [If defined, tuntap support is compiled in])
 100                                 if ! test "$HAVE__LIBRARY_EXTENSIONS_TAP_KEXT_" -o "$HAVE__SYSTEM_LIBRARY_EXTENSIONS_TAP_KEXT_" ; then
 101                                         AC_MSG_WARN([/dev/tap0 exists, but the kext cannot be found. Let's hope your
 102 configuration does work...])
 103                                 fi
 104                                 AC_MSG_CHECKING([for broken poll() support in Tiger])
 105                                 if expr "$build_os" : "darwin8\..*" > /dev/null; then
 106                                         AC_MSG_RESULT([yes, emulating with select()])
 107                                         AC_DEFINE([HAVE_BROKEN_POLL], 1, [If defined, use poll2select])
 108                                         have_broken_poll=yes
 109                                 else
 110                                         AC_MSG_RESULT([no])
 111                                 fi
 112                         else
 113                                 AC_MSG_ERROR([You do not have tuntap support. You can get it here:
 114 http://www-user.rhrk.uni-kl.de/~nissler/tuntap/])
 115                         fi
 116                         ;;
 117         esac
 118 fi
 119
 120 AM_CONDITIONAL(WANT_TUNTAP, test "$add_tuntap_support" = yes)
 121 AM_CONDITIONAL(CAN_MAKE_LIBVDETAP, test "$can_make_libvdetap" = yes)
 122 AM_CONDITIONAL(HAVE_BROKEN_POLL, test "$have_broken_poll" = yes)
 123
 124 AC_CONFIG_FILES([Makefile]
 125                 [doc/Makefile]
 126                 [qemu/Makefile]
 127                 [slirpvde/Makefile]
 128                 [vdetaplib/Makefile]
 129                 [bochs/Makefile]
 130                 [uml/Makefile])
 131 AC_OUTPUT