AC_ARG_ENABLE([dns-fix],
[AS_HELP_STRING([--enable-dns-fix], [enable workaround for broken DNS servers (as in SpeedTouch 510)])],
enable_dnsfix=$enableval, enable_dnsfix="no")

if test "$enable_dnsfix" = "yes"; then
  AC_DEFINE([FRESHCLAM_DNS_FIX],1,[enable workaround for broken DNS servers])
fi