From b48a9ded15a968d1d55fd3396bc4ba0542cc5adf Mon Sep 17 00:00:00 2001
From: David Garske <david@wolfssl.com>
Date: Mon, 23 Apr 2018 13:52:58 -0700
Subject: [PATCH] Fix to allow user to force build using `WOLF_C99` option.

---
 wolfssl/wolfcrypt/wc_port.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/wolfssl/wolfcrypt/wc_port.h b/wolfssl/wolfcrypt/wc_port.h
index fa8cbe093..7540e1714 100644
--- a/wolfssl/wolfcrypt/wc_port.h
+++ b/wolfssl/wolfcrypt/wc_port.h
@@ -34,7 +34,7 @@
 #endif
 
 /* detect C99 */
-#if defined(__STDC_VERSION__)
+#if !defined(WOLF_C99) && defined(__STDC_VERSION__)
     #if __STDC_VERSION__ >= 199901L
         #define WOLF_C99
     #endif