1 files changed, 2 insertions, 0 deletions

diff --git a/src/include/gnunet_curl_lib.h b/src/include/gnunet_curl_lib.h
index 77770ae88..faa7abbed 100644
--- a/src/include/gnunet_curl_lib.h
+++ b/src/include/gnunet_curl_lib.h
@@ -30,6 +30,8 @@
 #include <curl/curl.h>
 #elif HAVE_GNURL_CURL_H
 #include <gnurl/curl.h>
+#else
+#error "needs curl or gnurl"
 #endif
 #include <jansson.h>
 #include "gnunet_util_lib.h"