From 11fb1abe747a9113e0c26ac528566519eb6d0db6 Mon Sep 17 00:00:00 2001
From: John Safranek <john@wolfssl.com>
Date: Fri, 4 Dec 2020 10:42:28 -0800
Subject: [PATCH] Fix a bad assignment in the configure script.

---
 configure.ac | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/configure.ac b/configure.ac
index 6741873b4..c301d5074 100644
--- a/configure.ac
+++ b/configure.ac
@@ -3490,6 +3490,20 @@ AS_CASE([$SELFTEST_VERSION],
     ])
 
 
+AS_IF([test "x$ENABLED_FIPS" = "xyes"],[ENABLED_SHAKE256="no"])
+
+if test "$ENABLED_SHAKE256" = "yes" || test "$ENABLED_SHAKE256" = "small"
+then
+    if test "$ENABLED_32BIT" = "no"
+    then
+        AM_CFLAGS="$AM_CFLAGS -DWOLFSSL_SHAKE256"
+        if test "$ENABLED_SHA3" = "no"
+        then
+            AC_MSG_ERROR([Must have SHA-3 enabled: --enable-sha3])
+        fi
+    fi
+fi
+
 # set POLY1305 default
 POLY1305_DEFAULT=yes