+AC_ARG_WITH(x509,
+ [AS_HELP_STRING([--with-x509],[use dtls as transport protocol])],
+ [AC_DEFINE(DTLS_X509, 1, [Define to 1 if building with X.509 support])
+ DTLS_X509=1],
+ [])
+
+AC_ARG_WITH(hal,
+ [AS_HELP_STRING([--with-hal],[use a hardware abstraction layer for crypto functions])],
+ [AC_DEFINE(DTLS_CRYPTO_HAL, 1, [Define to 1 if building with Hardware Abstraction Layer])
+ DTLS_CRYPTO_HAL=1],
+ [])
+