From dfc9980f58bffb59474eb9e93167027ea850d0b7 Mon Sep 17 00:00:00 2001
From: cra0zy <cra0zy@gmail.com>
Date: Thu, 7 Nov 2019 22:35:42 +0100
Subject: [PATCH] Only download Gtk on Windows

---
 Source/Libs/GtkSharp/GtkSharp.targets | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Source/Libs/GtkSharp/GtkSharp.targets b/Source/Libs/GtkSharp/GtkSharp.targets
index c2b39d9c0..aee2acc5d 100644
--- a/Source/Libs/GtkSharp/GtkSharp.targets
+++ b/Source/Libs/GtkSharp/GtkSharp.targets
@@ -5,7 +5,7 @@
     <GtkDir Condition=" '$(GtkDir)' == '' ">$(LOCALAPPDATA)\Gtk\3.24</GtkDir>
   </PropertyGroup>
 
-  <Target Name="InstallGtk" BeforeTargets="Build" Condition=" '$(SkipGtkInstall)' != 'True' and !Exists('$(GtkDir)/libgtk-3-0.dll') ">
+  <Target Name="InstallGtk" BeforeTargets="Build" Condition=" '$(SkipGtkInstall)' != 'True' and '$(OS)' == 'Windows_NT' and !Exists('$(GtkDir)/libgtk-3-0.dll') ">
     <Message Importance="High" Text="Gtk has not been detected, downloading and installing it, set SkipGtkInstall to True to skip theese steps."/>
     <Message Importance="High" Text="Ignore Gtk extract errors, bug msbuild/issues/3884"/>
     <MakeDir Directories="$(GtkDir)"/>