From e3e0b4505c36cd4d1dc636551f4e1a361e81933d Mon Sep 17 00:00:00 2001
From: David Garske <david@wolfssl.com>
Date: Thu, 13 Jul 2023 09:36:41 -0700
Subject: [PATCH] Fix for building ED25519 with `WOLFSSL_NO_CLIENT_AUTH` or
 `NO_ED25519_CLIENT_AUTH` set:

```
/wolfssl/src/ssl.c:6744:33: error: 'Options' has no member named 'cacheMessages'
 6744 |                     ssl->options.cacheMessages = 1;
      |
```
---
 src/ssl.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/ssl.c b/src/ssl.c
index 5a2c72340..fe8432b4a 100644
--- a/src/ssl.c
+++ b/src/ssl.c
@@ -6739,9 +6739,11 @@ static int ProcessBufferTryDecodeEd25519(WOLFSSL_CTX* ctx, WOLFSSL* ssl,
 
                 *keyFormat = ED25519k;
                 if (ssl != NULL) {
+#if !defined(WOLFSSL_NO_CLIENT_AUTH) && !defined(NO_ED25519_CLIENT_AUTH)
                     /* ED25519 requires caching enabled for tracking message
                      * hash used in EdDSA_Update for signing */
                     ssl->options.cacheMessages = 1;
+#endif
                     if (ssl->options.side == WOLFSSL_SERVER_END) {
                         *resetSuites = 1;
                     }