From ac906d15ce76115e1ef6796b2201ebf4d188bd34 Mon Sep 17 00:00:00 2001
From: Jannis Harder <me@jix.one>
Date: Fri, 7 Oct 2022 15:00:19 +0200
Subject: [PATCH] Add YOSYS_ABORT_ON_LOG_ERROR environment variable for
 debugging.

---
 CHANGELOG     | 4 ++++
 kernel/log.cc | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/CHANGELOG b/CHANGELOG
index 602e3f670..bb55c0c59 100644
--- a/CHANGELOG
+++ b/CHANGELOG
@@ -4,6 +4,10 @@ List of major changes and improvements between releases
 
 Yosys 0.22 .. Yosys 0.22-dev
 --------------------------
+ * Various
+    - Added YOSYS_ABORT_ON_LOG_ERROR environment variable for debugging.
+      Setting it to 1 causes abort() to be called when Yosys terminates with an
+      error message.
 
 Yosys 0.21 .. Yosys 0.22
 --------------------------
diff --git a/kernel/log.cc b/kernel/log.cc
index 4403dd0c7..af8c422b8 100644
--- a/kernel/log.cc
+++ b/kernel/log.cc
@@ -352,6 +352,9 @@ static void logv_error_with_prefix(const char *prefix,
 		log_error_atexit();
 
 	YS_DEBUGTRAP_IF_DEBUGGING;
+	const char *e = getenv("YOSYS_ABORT_ON_LOG_ERROR");
+	if (e && atoi(e))
+		abort();
 
 #ifdef EMSCRIPTEN
 	log_files = backup_log_files;