1 files changed, 6 insertions, 0 deletions

diff --git a/tools/extern.h b/tools/extern.h
index e79e6f0..be01046 100644
--- a/tools/extern.h
+++ b/tools/extern.h
@@ -7,6 +7,12 @@
 #ifndef _EXTERN_H_
 #define _EXTERN_H_
 
+#include <stddef.h>
+#include <stdio.h>
+
+#include <openssl/ec.h>
+#include <fido.h>
+
 struct blob {
         unsigned char *ptr;
         size_t len;