From c78cd84ea4fe9c46b73bfefbb66da2fa3f43623f Mon Sep 17 00:00:00 2001
From: Jason Felice <jason.m.felice@gmail.com>
Date: Fri, 5 Oct 2018 10:10:14 +0100
Subject: [PATCH] Fix undefined behavior in notify_fatal_error

---
 src/assert.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/assert.cc b/src/assert.cc
index 4b7c180a..91abba85 100644
--- a/src/assert.cc
+++ b/src/assert.cc
@@ -34,6 +34,8 @@ bool notify_fatal_error(StringView msg)
     auto cmd = format("xmessage -buttons 'quit:0,ignore:1' '{}'", msg);
     int status = system(cmd.c_str());
     return (WIFEXITED(status)) ? (WEXITSTATUS(status)) == 1 : false;
+#else
+    return false;
 #endif
 }