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-rw-r--r--dirmngr/dns-stuff.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/dirmngr/dns-stuff.c b/dirmngr/dns-stuff.c
index 00d2b3ee1..3fa6054d3 100644
--- a/dirmngr/dns-stuff.c
+++ b/dirmngr/dns-stuff.c
@@ -46,6 +46,10 @@
# include <adns.h>
#endif
+#if !defined(HAVE_GETADDRINFO) && !defined(USE_ADNS)
+# error Either getaddrinfo or the ADNS libary is required.
+#endif
+
#include "util.h"
#include "host2net.h"
#include "dns-stuff.h"