Otter.csproj.diff

diff -r 6580d71d45ee Otter/Otter.csproj
--- a/Otter/Otter.csproj	Sun Feb 09 23:49:08 2014 -0700
+++ b/Otter/Otter.csproj	Sun Apr 13 23:33:56 2014 +0200
@@ -35,7 +35,11 @@
     </DocumentationFile>
   </PropertyGroup>
   <PropertyGroup>
-    <DefineConstants>$(DefineConstants);$(OS)</DefineConstants>
+    <OperatingSystem>$(OS)</OperatingSystem>
+    <OperatingSystem Condition=" '$(OS)' == 'Unix' And Exists('/Library') ">OSX</OperatingSystem>
+  </PropertyGroup>
+  <PropertyGroup>
+    <DefineConstants>$(OperatingSystem);$(DefineConstants)</DefineConstants>
   </PropertyGroup>
   <ItemGroup>
     <Reference Include="Ionic.Zip, Version=1.9.1.8, Culture=neutral, PublicKeyToken=edbe51ad942a3f5c, processorArchitecture=MSIL">
@@ -161,17 +165,17 @@
       <CopyToOutputDirectory>PreserveNewest</CopyToOutputDirectory>
     </Content>
   </ItemGroup>
-  <ItemGroup Condition=" '$(OS)' == 'Windows_NT' ">
+  <ItemGroup Condition=" '$(OperatingSystem)' == 'Windows_NT' ">
     <Libs Include="csfml-audio-2.dll" />
     <Libs Include="csfml-graphics-2.dll" />
     <Libs Include="csfml-window-2.dll" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(OS)' == 'OSX' ">
+  <ItemGroup Condition=" '$(OperatingSystem)' == 'OSX' ">
     <Libs Include="libosx/libcsfml-audio.2.0.dylib" />
     <Libs Include="libosx/libcsfml-graphics.2.0.dylib" />
     <Libs Include="libosx/libcsfml-window.2.0.dylib" />
   </ItemGroup>
-  <ItemGroup Condition=" '$(OS)' != 'Windows_NT' ">
+  <ItemGroup Condition=" '$(OperatingSystem)' != 'Windows_NT' ">
     <Libs Include="sfmlnet-audio-2.dll.config" />
     <Libs Include="sfmlnet-graphics-2.dll.config" />
     <Libs Include="sfmlnet-window-2.dll.config" />