+AC_CHECK_FUNC(gethostbyname, [], [
+ AC_CHECK_LIB(nsl, gethostbyname)
+])
+
+
+dnl Check for TUN/TAP support in the kernel
+tinc_TUNTAP
+
+dnl Check if checkpoint tracing has to be enabled
+AC_ARG_ENABLE(tracing,
+ --enable-tracing enable checkpoint tracing (for debugging purposes only),
+ [ AC_DEFINE(ENABLE_TRACING) ]
+)