1 files changed, 4 insertions, 0 deletions

diff --git a/openbsd-compat/getrrsetbyname.c b/openbsd-compat/getrrsetbyname.c
index 66d18142e..660427c1f 100644
--- a/openbsd-compat/getrrsetbyname.c
+++ b/openbsd-compat/getrrsetbyname.c
@@ -53,6 +53,10 @@
 
 #define ANSWER_BUFFER_SIZE 1024*64
 
+#if defined(HAVE_DECL_H_ERRNO) && !HAVE_DECL_H_ERRNO
+extern int h_errno;
+#endif
+
 struct dns_query {
         char                    *name;
         u_int16_t               type;