From a74e4194467b566c23569072db9da8d9823c0a2d Mon Sep 17 00:00:00 2001
From: John Safranek <john@wolfssl.com>
Date: Mon, 12 Feb 2018 14:31:22 -0800
Subject: [PATCH] FIPS Revalidation 1. Change to configure.ac to automatically
 enable HKDF in FIPSv2 builds.

---
 configure.ac | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/configure.ac b/configure.ac
index 155a82fbf..23ed13a73 100644
--- a/configure.ac
+++ b/configure.ac
@@ -2002,6 +2002,9 @@ then
            AS_IF([test "x$ENABLED_CMAC" != "xyes"],
                  [ENABLED_CMAC="yes"
                   AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_CMAC"])
+           AS_IF([test "x$ENABLED_HKDF" != "xyes"],
+                 [ENABLED_HKDF="yes"
+                  AM_CFLAGS="$AM_CFLAGS -DHAVE_HKDF"])
           ])
 else
     if test "x$ENABLED_FORTRESS" = "xyes"