From 6950ce3bcfe4220914b4cd0a257c1dcb827a1554 Mon Sep 17 00:00:00 2001
From: bubnikv <bubnikv@gmail.com>
Date: Mon, 26 Sep 2016 12:57:15 +0200
Subject: [PATCH] Report when the threading is disabled and when the debugging
 output is enabled.

Two new environment variables are respected:
SLIC3R_SINGLETHREADED and SLIC3R_DEBUGOUT.
---
 lib/Slic3r.pm | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/lib/Slic3r.pm b/lib/Slic3r.pm
index 7dfa9063fe..44b2a9bf59 100644
--- a/lib/Slic3r.pm
+++ b/lib/Slic3r.pm
@@ -34,7 +34,11 @@ BEGIN {
     # in multi-threaded context at all.
     # A good interactive perl debugger is the ActiveState Komodo IDE
     # or the EPIC http://www.epic-ide.org/
-    $have_threads = 0 if (defined($ENV{'SLIC3R_SINGLETHREADED'}) && $ENV{'SLIC3R_SINGLETHREADED'} == 1)
+    $have_threads = 0 if (defined($ENV{'SLIC3R_SINGLETHREADED'}) && $ENV{'SLIC3R_SINGLETHREADED'} == 1);
+    print "Threading disabled\n" if !$have_threads;
+
+    $debug = 1 if (defined($ENV{'SLIC3R_DEBUGOUT'}) && $ENV{'SLIC3R_DEBUGOUT'} == 1);
+    print "Debugging output enabled\n" if $debug;
 }
 
 warn "Running Slic3r under Perl 5.16 is neither supported nor recommended\n"