X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/1abfd3e85fa9b340699430cd9e15dd9f0073bdbe..eb0f65b4fbbea60100b53cb40a1d7138d47ad0d2:/m4/sha512.m4

diff --git a/m4/sha512.m4 b/m4/sha512.m4
index 46c0895890..77c76a8f7d 100644
--- a/m4/sha512.m4
+++ b/m4/sha512.m4
@@ -1,5 +1,5 @@
-# sha512.m4 serial 7
-dnl Copyright (C) 2005-2006, 2008-2013 Free Software Foundation, Inc.
+# sha512.m4 serial 9
+dnl Copyright (C) 2005-2006, 2008-2015 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.
@@ -8,4 +8,7 @@ AC_DEFUN([gl_SHA512],
 [
   dnl Prerequisites of lib/sha512.c.
   AC_REQUIRE([gl_BIGENDIAN])
+
+  dnl Determine HAVE_OPENSSL_SHA512 and LIB_CRYPTO
+  gl_CRYPTO_CHECK([SHA512])
 ])