Added GenerateAssemblyInfo task that specifies common assembly properties to a global AssemblyInfo file.

Modify Build.Tasks.dll search path depending on the current configuration.

Source/Build.Tasks/Build.Tasks.csproj

@@ -63,6 +63,7 @@
     <Reference Include="System" />
   </ItemGroup>
   <ItemGroup>
+    <Compile Include="GenerateAssemblyInfo.cs" />
     <Compile Include="Run.cs" />
     <Compile Include="DateStamp.cs" />
     <Compile Include="DelTree.cs" />
@@ -79,11 +80,4 @@
     </None>
   </ItemGroup>
   <Import Project="$(MSBuildBinPath)\Microsoft.CSharp.targets" />
-  <!-- To modify your build process, add your task inside one of the targets below and uncomment it. 
-       Other similar extension points exist, see Microsoft.Common.targets.
-  <Target Name="BeforeBuild">
-  </Target>
-  <Target Name="AfterBuild">
-  </Target>
-  -->
 </Project>

Source/Build.Tasks/Common.xml

@@ -3,12 +3,13 @@
 
   <PropertyGroup>
     <Configuration Condition=" '$(Configuration)' != 'Debug' ">Release</Configuration>
-    <BuildTasksPath Condition="'$(BuildTasksPath)' == ''">..\..\Binaries\OpenTK\Release</BuildTasksPath>
+    <BuildTasksPath Condition="'$(BuildTasksPath)' == ''">..\..\Binaries\OpenTK\$(Configuration)</BuildTasksPath>
     <BuildTasksLib>$(BuildTasksPath)\Build.Tasks.dll</BuildTasksLib>
   </PropertyGroup>
 
   <UsingTask AssemblyFile="$(BuildTasksLib)" TaskName="DateStamp" Condition="'$(Target)' != 'Clean'" />
   <UsingTask AssemblyFile="$(BuildTasksLib)" TaskName="DelTree" Condition="'$(Target)' != 'Clean'" />
+  <UsingTask AssemblyFile="$(BuildTasksLib)" TaskName="GenerateAssemblyInfo" Condition="'$(Target)' != 'Clean'" />
   <UsingTask AssemblyFile="$(BuildTasksLib)" TaskName="Run" Condition="'$(Target)' != 'Clean'" />
 
 </Project>

Source/Build.Tasks/GenerateAssemblyInfo.cs

@@ -0,0 +1,93 @@
+#region License
+//
+// The Open Toolkit Library License
+//
+// Copyright (c) 2006 - 2010 the Open Toolkit library.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights to 
+// use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
+// the Software, and to permit persons to whom the Software is furnished to do
+// so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in all
+// copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
+// OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
+// HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+// WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+// OTHER DEALINGS IN THE SOFTWARE.
+//
+#endregion
+
+using System;
+using System.IO;
+using System.Text;
+using Microsoft.Build.Framework;
+using Microsoft.Build.Utilities;
+
+namespace Build.Tasks
+{
+    public class GenerateAssemblyInfo : Task
+    {
+        [Required]
+        public string OutputFile { get; set; }
+        public string AssemblyCompany { get; set; }
+        public string AssemblyProduct { get; set; }
+        public string AssemblyCopyright { get; set; }
+        public string AssemblyTrademark { get; set; }
+        public string Major { get; set; }
+        public string Minor { get; set; }
+
+        string Build { get; set; }
+        string Revision { get; set; }
+
+        public GenerateAssemblyInfo()
+        {
+            // Build number is defined as the number of days since 1/1/2010.
+            // Revision number is defined as the fraction of the current day, expressed in seconds.
+            double timespan = DateTime.UtcNow.Subtract(new DateTime(2010, 1, 1)).TotalDays;
+            Build = ((int)timespan).ToString();
+            Revision = ((int)((timespan - (int)timespan) * UInt16.MaxValue)).ToString();
+            Major = Major ?? "0";
+            Minor = Minor ?? "0";
+        }
+    
+        public override bool Execute()
+        {
+            Encoding utf8 = new UTF8Encoding(true);
+
+            using (StreamWriter sw = new StreamWriter(OutputFile, false, utf8))
+            {
+                sw.WriteLine("// This file is auto-generated through Source.Build.Tasks/AssemblyInfo.cs.");
+                sw.WriteLine("// Do not edit by hand!");
+                sw.WriteLine();
+
+                foreach (var import in new string[] { "System", "System.Reflection", "System.Resources",
+                    "System.Runtime.CompilerServices", "System.Runtime.InteropServices" })
+                {
+                    sw.WriteLine("using {0};", import);
+                }
+                sw.WriteLine();
+
+                sw.WriteLine("[assembly: AssemblyCompany(\"{0}\")]", AssemblyCompany ?? "");
+                sw.WriteLine("[assembly: AssemblyProduct(\"{0}\")]", AssemblyProduct ?? "");
+                sw.WriteLine("[assembly: AssemblyCopyright(\"{0}\")]", AssemblyCopyright ?? "");
+                sw.WriteLine("[assembly: AssemblyTrademark(\"{0}\")]", AssemblyTrademark ?? "");
+                sw.WriteLine("[assembly: AssemblyVersion(\"{0}.{1}.0.0\")]", Major, Minor);
+                sw.WriteLine("[assembly: AssemblyFileVersion(\"{0}.{1}.{2}.{3}\")]", Major, Minor, Build, Revision);
+
+                sw.Flush();
+                sw.Close();
+                Log.LogMessage("Created AssemblyInfo file \"{0}\".", OutputFile);
+            }
+
+            return true;
+        }
+    }
+}