From fd1cb820043c445d06f76ce5ab00be232bf36c27 Mon Sep 17 00:00:00 2001
From: midipix <writeonce@midipix.org>
Date: Apr 30 2016 12:18:15 +0000
Subject: utility: display last system error at exit as needed.


---

diff --git a/src/slibtool.c b/src/slibtool.c
index bc3584b..42d604f 100644
--- a/src/slibtool.c
+++ b/src/slibtool.c
@@ -67,6 +67,9 @@ static void slibtool_perform_unit_actions(struct slbt_unit_ctx * uctx)
 
 static int slibtool_exit(struct slbt_driver_ctx * dctx, int nerrors)
 {
+	if (nerrors && errno)
+		strerror(errno);
+
 	slbt_free_driver_ctx(dctx);
 	return nerrors ? 2 : 0;
 }