From 594e42544b5ce98fb8157456e741cb53dfccdfed Mon Sep 17 00:00:00 2001
From: Andrey Volk <andywolk@gmail.com>
Date: Wed, 17 Nov 2021 18:17:46 +0300
Subject: [PATCH] [mod_sofia] Put more comments into the code explaining that
 we include switch_ssl.h into sofia_reg.c because of SHA-512-256 (RFC-8760)

---
 src/mod/endpoints/mod_sofia/sofia_reg.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/mod/endpoints/mod_sofia/sofia_reg.c b/src/mod/endpoints/mod_sofia/sofia_reg.c
index 10073c902d..d553f36d1e 100644
--- a/src/mod/endpoints/mod_sofia/sofia_reg.c
+++ b/src/mod/endpoints/mod_sofia/sofia_reg.c
@@ -40,6 +40,9 @@
 #include "mod_sofia.h"
 #include "sofia-sip/hostdomain.h"
 #include "sip-dig.h"
+/* This include defines OPENSSL_VERSION_NUMBER required for SHA-512-256 (RFC-8760)
+   Do NOT remove this line even if mod_sofia builds without it. 
+*/
 #include "switch_ssl.h"
 
 static void sofia_reg_new_handle(sofia_gateway_t *gateway_ptr, int attach)