X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/adf2fc4a01efe77d73cd52bc9173914ed56ff531..982530518fd6806a896a75f73e29e2f3b59e5791:/m4/sha256.m4

diff --git a/m4/sha256.m4 b/m4/sha256.m4
index cbbd17a644..91f63b75c9 100644
--- a/m4/sha256.m4
+++ b/m4/sha256.m4
@@ -1,5 +1,5 @@
-# sha256.m4 serial 7
-dnl Copyright (C) 2005, 2008-2013 Free Software Foundation, Inc.
+# sha256.m4 serial 8
+dnl Copyright (C) 2005, 2008-2016 Free Software Foundation, Inc.
 dnl This file is free software; the Free Software Foundation
 dnl gives unlimited permission to copy and/or distribute it,
 dnl with or without modifications, as long as this notice is preserved.
@@ -8,5 +8,7 @@ AC_DEFUN([gl_SHA256],
 [
   dnl Prerequisites of lib/sha256.c.
   AC_REQUIRE([gl_BIGENDIAN])
-  :
+
+  dnl Determine HAVE_OPENSSL_SHA256 and LIB_CRYPTO
+  gl_CRYPTO_CHECK([SHA256])
 ])