From 482be755fe29fee8babafcd255d4d9323c2c5de6 Mon Sep 17 00:00:00 2001
From: Eug Krashtan <eug.krashtan@gmail.com>
Date: Wed, 7 Jul 2021 12:13:22 +0300
Subject: [PATCH] gnutls:  GNUTLS_CRT_RAW not defined
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Old version of GnuTLS, used in Raspbian,  contains no definition
for GNUTLS_CRT_RAW. This patch fixes build error:
`error: ‘GNUTLS_CRT_RAW’ undeclared`

Signed-off-by: Eug Krashtan <eug.krashtan@gmail.com>
---
 src/coap_gnutls.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/coap_gnutls.c b/src/coap_gnutls.c
index 661967b1..52bcbb91 100644
--- a/src/coap_gnutls.c
+++ b/src/coap_gnutls.c
@@ -68,6 +68,10 @@
                             GNUTLS_KEY_KEY_CERT_SIGN
 #endif /* GNUTLS_VERSION_NUMBER >= 0x030606 */
 
+#ifndef GNUTLS_CRT_RAW
+#define GNUTLS_CRT_RAW GNUTLS_CRT_RAWPK
+#endif /* GNUTLS_CRT_RAW */
+
 #ifdef _WIN32
 #define strcasecmp _stricmp
 #endif