Don't define memcached_return_t if libmemcached is unavailable

diff --git a/src/zoom-memcached.c b/src/zoom-memcached.c
index 6686bd5..66aeeb8 100644 (file)
--- a/src/zoom-memcached.c
+++ b/src/zoom-memcached.c
@@ -20,10 +20,12 @@
 #include <yaz/log.h>
 #include <yaz/diagbib1.h>
 
+#if HAVE_LIBMEMCACHED_MEMCACHED_H
 #if HAVE_MEMCACHED_RETURN_T
 #else
 typedef memcached_return memcached_return_t;
 #endif
+#endif
 
 void ZOOM_memcached_init(ZOOM_connection c)
 {