From 75a7b5b6b64fde187acdfde67e60396f7634664c Mon Sep 17 00:00:00 2001
From: David Lamparter <equinox@opensourcerouting.org>
Date: Mon, 20 Nov 2023 10:29:57 +0100
Subject: [PATCH] lib: use LYD_VALIDATE_MULTI_ERROR only if available

LYD_VALIDATE_MULTI_ERROR was added in libyang 2.1.36.  The currently
enforced minimum of libyang is 2.0.0.  Stick an #ifdef around it.

Fixes: 51a2a4b3f471 ("lib: print all errors when validating a config")
Cc: Igor Ryzhov <iryzhov@nfware.com>
Signed-off-by: David Lamparter <equinox@opensourcerouting.org>
---
 lib/northbound.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/lib/northbound.c b/lib/northbound.c
index 15775f4d3aa8..88aa2a5f20d3 100644
--- a/lib/northbound.c
+++ b/lib/northbound.c
@@ -871,7 +871,12 @@ int nb_candidate_update(struct nb_config *candidate)
 int nb_candidate_validate_yang(struct nb_config *candidate, bool no_state,
 			       char *errmsg, size_t errmsg_len)
 {
-	uint32_t options = LYD_VALIDATE_MULTI_ERROR;
+	uint32_t options = 0;
+
+#ifdef LYD_VALIDATE_MULTI_ERROR
+	/* libyang 2.1.36+ */
+	options |= LYD_VALIDATE_MULTI_ERROR;
+#endif
 
 	if (no_state)
 		SET_FLAG(options, LYD_VALIDATE_NO_STATE);