183 |
|
AC_CHECK_HEADERS(mach/vm_map.h mach/mach_init.h sys/mman.h) |
184 |
|
AC_CHECK_HEADERS(sys/time.h sys/times.h) |
185 |
|
AC_CHECK_HEADERS(unistd.h fcntl.h byteswap.h) |
186 |
+ |
AC_CHECK_HEADERS(linux/if.h linux/if_tun.h net/if.h net/if_tun.h) |
187 |
|
|
188 |
|
dnl Checks for typedefs, structures, and compiler characteristics. |
189 |
|
AC_C_BIGENDIAN |
274 |
|
fi |
275 |
|
]) |
276 |
|
|
277 |
+ |
dnl Check that the host supports TUN/TAP devices |
278 |
+ |
AC_CACHE_CHECK([whether TUN/TAP is supported], |
279 |
+ |
ac_cv_tun_tap_support, [ |
280 |
+ |
AC_TRY_COMPILE([ |
281 |
+ |
#if defined(HAVE_LINUX_IF_H) && defined(HAVE_LINUX_IF_TUN_H) |
282 |
+ |
#include <linux/if.h> |
283 |
+ |
#include <linux/if_tun.h> |
284 |
+ |
#endif |
285 |
+ |
#if defined(HAVE_NET_IF_H) && defined(HAVE_NET_IF_TUN_H) |
286 |
+ |
#include <net/if.h> |
287 |
+ |
#include <net/if_tun.h> |
288 |
+ |
#endif |
289 |
+ |
], [ |
290 |
+ |
struct ifreq ifr; |
291 |
+ |
memset(&ifr, 0, sizeof(ifr)); |
292 |
+ |
ifr.ifr_flags = IFF_TAP | IFF_NO_PI; |
293 |
+ |
], |
294 |
+ |
ac_cv_tun_tap_support=yes, ac_cv_tun_tap_support=no |
295 |
+ |
) |
296 |
+ |
]) |
297 |
+ |
AC_TRANSLATE_DEFINE(ENABLE_TUNTAP, "$ac_cv_tun_tap_support", |
298 |
+ |
[Define if your system supports TUN/TAP devices.]) |
299 |
+ |
|
300 |
|
dnl Various checks if the system supports vm_allocate() and the like functions. |
301 |
|
have_mach_vm=no |
302 |
|
if [[ "x$ac_cv_func_vm_allocate" = "xyes" -a "x$ac_cv_func_vm_deallocate" = "xyes" -a \ |