summaryrefslogtreecommitdiff
path: root/lib/sha512.h
diff options
context:
space:
mode:
Diffstat (limited to 'lib/sha512.h')
-rw-r--r--lib/sha512.h5
1 files changed, 5 insertions, 0 deletions
diff --git a/lib/sha512.h b/lib/sha512.h
index e3a98a2644..f3465bc8a6 100644
--- a/lib/sha512.h
+++ b/lib/sha512.h
@@ -18,6 +18,11 @@
#ifndef SHA512_H
# define SHA512_H 1
+/* This file uses HAVE_OPENSSL_SHA512. */
+# if !_GL_CONFIG_H_INCLUDED
+# error "Please include config.h first."
+# endif
+
# include <stdio.h>
# include "u64.h"