From 159ca3f65e6b35c3a5d16c6a517c87fbe63c99af Mon Sep 17 00:00:00 2001
From: Alessandro Ranellucci <aar@cpan.org>
Date: Sat, 19 May 2012 23:18:29 +0200
Subject: [PATCH] Accept --threads 1 on non-threaded perls too

---
 lib/Slic3r/Config.pm | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Slic3r/Config.pm b/lib/Slic3r/Config.pm
index 0c996890d..64f9d78d9 100644
--- a/lib/Slic3r/Config.pm
+++ b/lib/Slic3r/Config.pm
@@ -538,7 +538,7 @@ sub validate {
     die "Invalid value for --threads\n"
         if defined $Slic3r::threads && $Slic3r::threads < 1;
     die "Your perl wasn't built with multithread support\n"
-        if defined $Slic3r::threads && !$Slic3r::have_threads;
+        if defined $Slic3r::threads && $Slic3r::threads > 1 && !$Slic3r::have_threads;
 
     # --layer-height
     die "Invalid value for --layer-height\n"