From c88dcac80e3011d361010c1e1f231fa4d8c4a009 Mon Sep 17 00:00:00 2001
From: Sean Parkinson <sean@wolfssl.com>
Date: Fri, 20 Oct 2023 12:02:51 +1000
Subject: [PATCH] Ed25519: add missing C++ directives for C functions

Assembly code has C function names.
Need to tell C++ that these are C function and not to mangle names.
---
 wolfssl/wolfcrypt/ge_operations.h | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/wolfssl/wolfcrypt/ge_operations.h b/wolfssl/wolfcrypt/ge_operations.h
index 4438f8fca..0c6ce8dd6 100644
--- a/wolfssl/wolfcrypt/ge_operations.h
+++ b/wolfssl/wolfcrypt/ge_operations.h
@@ -70,6 +70,9 @@ typedef struct {
   ge T;
 } ge_p3;
 
+#ifdef __cplusplus
+    extern "C" {
+#endif
 
 WOLFSSL_LOCAL int  ge_compress_key(byte* out, const byte* xIn, const byte* yIn,
                                                                 word32 keySz);
@@ -122,6 +125,10 @@ void ge_add(ge_p1p1 *r, const ge_p3 *p, const ge_cached *q);
 void ge_sub(ge_p1p1 *r, const ge_p3 *p, const ge_cached *q);
 #endif
 
+#ifdef __cplusplus
+    }    /* extern "C" */
+#endif
+
 #endif /* HAVE_ED25519 */
 
 #endif /* WOLF_CRYPT_GE_OPERATIONS_H */