-dnl These are defined in files in m4/
-
-dnl case $host_os in
-dnl *linux*)
-dnl tinc_TUNTAP
-dnl ;;
-dnl esac
-
-dnl tinc_OPENSSL
-dnl tinc_ZLIB
-dnl tinc_LZO
-
-AM_PATH_LIBGNUTLS([1.0.4], [], [AC_MSG_ERROR([GNUTLS library not found.]); break])
-
-dnl Check if support for jumbograms is requested
-dnl AC_ARG_ENABLE(jumbograms,
-dnl AS_HELP_STRING(--enable-jumbograms,enable support for jumbograms (packets up to 9000 bytes)),
-dnl [ AC_DEFINE(ENABLE_JUMBOGRAMS, 1, [Support for jumbograms (packets up to 9000 bytes)]) ]
-dnl )
-
-dnl Check if checkpoint tracing has to be enabled
-dnl AC_ARG_ENABLE(tracing,
-dnl AS_HELP_STRING(--enable-tracing,enable checkpoint tracing (debugging only)),
-dnl [ AC_DEFINE(ENABLE_TRACING, 1, [Checkpoint tracing]) ]
-dnl )
+tinc_LIBEVENT
+tinc_LZO
+AM_PATH_LIBGNUTLS([1.4.0], [], [AC_MSG_ERROR([GNUTLS library not found.]); break])
+AM_PATH_LIBGNUTLS_EXTRA([1.4.0], [], [AC_MSG_ERROR([GNUTLS extra library not found.]); break])
+AM_PATH_LIBGCRYPT([1.2.0], [], [AC_MSG_ERROR([Gcrypt library not found.]); break])