From d7897caec70e0a82b4954c6b0fc04ac8e2010868 Mon Sep 17 00:00:00 2001
From: lethosor <lethosor@gmail.com>
Date: Sat, 21 Feb 2015 21:50:18 -0500
Subject: [PATCH] Display a more user-friendly error message when the ruby
 library is not available

---
 plugins/ruby/ruby.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/plugins/ruby/ruby.cpp b/plugins/ruby/ruby.cpp
index 4aa78396a..ced8e4822 100644
--- a/plugins/ruby/ruby.cpp
+++ b/plugins/ruby/ruby.cpp
@@ -175,7 +175,10 @@ DFhackCExport command_result plugin_eval_ruby( color_ostream &out, const char *c
 
     // if dlopen failed
     if (!r_thread)
+    {
+        out.printerr("Failed to load ruby library.\n");
         return CR_FAILURE;
+    }
 
     if (!strncmp(command, "nolock ", 7)) {
         // debug only!