From a000448ed7ca6932cf1a7936fa43e56395b16f77 Mon Sep 17 00:00:00 2001
From: Jonathan McDowell <noodles@earth.li>
Date: Sat, 7 Sep 2019 19:56:04 +0000
Subject: [PATCH] Add defines for nettle_get_secp_* for Nettle pre 3.4

Debian 9 (stretch) has Nettle 3.3, so define these fallbacks so we
can build with crypto support there.
---
 sigcheck.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/sigcheck.c b/sigcheck.c
index 2f72a49..ff80604 100644
--- a/sigcheck.c
+++ b/sigcheck.c
@@ -48,6 +48,17 @@
 #include <nettle/eddsa.h>
 #include <nettle/rsa.h>
 #include "rsa.h"
+
+#ifndef nettle_get_secp_256r1
+#define nettle_get_secp_256r1() &nettle_secp_256r1
+#endif
+#ifndef nettle_get_secp_384r1
+#define nettle_get_secp_384r1() &nettle_secp_384r1
+#endif
+#ifndef nettle_get_secp_521r1
+#define nettle_get_secp_521r1() &nettle_secp_521r1
+#endif
+
 #endif
 
 /* Take an MPI from a buffer and import it into a GMP mpz_t */
-- 
2.39.2