From 0f0d307b762abfce693cef91097f7bed9215ff4c Mon Sep 17 00:00:00 2001
From: David Garske <david@wolfssl.com>
Date: Tue, 7 Jan 2020 05:43:59 -0800
Subject: [PATCH] Fix to avoid duplicate symbol for `CheckRunTimeSettings` when
 SP and TFM are built. Specifically with these build options: `USE_FAST_MATH`,
 `WOLFSSL_SP` and `WOLFSSL_SP_MATH`.

---
 wolfcrypt/src/tfm.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/wolfcrypt/src/tfm.c b/wolfcrypt/src/tfm.c
index 42e001bd3..d9f6c5ad2 100644
--- a/wolfcrypt/src/tfm.c
+++ b/wolfcrypt/src/tfm.c
@@ -86,13 +86,13 @@ WOLFSSL_LOCAL int sp_ModExp_4096(mp_int* base, mp_int* exp, mp_int* mod,
 #endif
 
 
-
+#ifndef WOLFSSL_SP_MATH
 /* math settings check */
 word32 CheckRunTimeSettings(void)
 {
     return CTC_SETTINGS;
 }
-
+#endif
 
 /* math settings size check */
 word32 CheckRunTimeFastMath(void)