AC_MSG_RESULT($kerneldir)
])
AC_CACHE_CHECK([for linux/if_tun.h], tinc_cv_linux_if_tun_h,
-[ AC_TRY_COMPILE([linux/if_tun.h],
+[ AC_TRY_COMPILE([#include <linux/if_tun.h>],
[int a = IFF_TAP],
if_tun_h="linux/if_tun.h",
if_tun_h="no")
if test $if_tun_h = no; then
- AC_TRY_COMPILE([$kerneldir/include/linux/if_tun.h],
+ AC_TRY_COMPILE([#include "$kerneldir/include/linux/if_tun.h"],
[int a = IFF_TAP],
if_tun_h="$kerneldir/include/linux/if_tun.h",
if_tun_h="no")