Index: src/booc/App.cs
===================================================================
--- src/booc/App.cs	(revision 2030)
+++ src/booc/App.cs	(working copy)
@@ -178,7 +178,20 @@
 								}
 								else
 								{
-									InvalidOption(arg);
+									switch (arg.Substring(1,9))
+									{
+										case "win32icon":
+										{
+											_options.Win32IconFile = arg.Substring(arg.IndexOf(":")+1);
+											break;
+										}
+										
+										default:
+										{
+											InvalidOption(arg);
+											break;
+										}
+									}									
 								}
 								break;
 							}
Index: src/Boo.Lang.Compiler/Steps/EmitAssembly.cs
===================================================================
--- src/Boo.Lang.Compiler/Steps/EmitAssembly.cs	(revision 2030)
+++ src/Boo.Lang.Compiler/Steps/EmitAssembly.cs	(working copy)
@@ -4329,6 +4329,10 @@
 				// picks up the attribute when debugging dynamically generated code.
 				_asmBuilder.SetCustomAttribute(CreateDebuggableAttribute());
 			}
+			if (string.Empty != Parameters.Win32IconFile)
+			{
+				EmbedWin32IconFile();
+			}			
 			_moduleBuilder = _asmBuilder.DefineDynamicModule(asmName.Name, Path.GetFileName(outputFile), true);
 			_sreResourceService = new SREResourceService (_asmBuilder, _moduleBuilder);
 			ContextAnnotations.SetAssemblyBuilder(Context, _asmBuilder);
@@ -4405,5 +4409,42 @@
 			}
 			return null;
 		}
+		
+		void EmbedWin32IconFile()
+		{
+			try
+			{
+				MethodInfo define_icon = typeof (AssemblyBuilder).GetMethod("DefineIconResource", BindingFlags.Instance|BindingFlags.Public|BindingFlags.NonPublic);
+				if (null != define_icon) { // Mono implementation
+					define_icon.Invoke(_asmBuilder, new object [] { Parameters.Win32IconFile });
+					return;
+				}
+				//
+				// ***********************************				
+				// implementation for .NET go here :-p
+				// ***********************************
+				//
+				// (meanwhile give a gentle compiler error to the developer)
+				Error(CompilerErrorFactory.CustomError("BCExxxx - Can't embed win32 icon resource on this runtime. There is only Mono implementation currently."));
+				return;					
+			} 
+			catch (System.Exception x)
+			{
+				if (null != x.GetBaseException())
+				{
+					x = x.GetBaseException();
+				}
+				if ("System.IO.FileNotFoundException" == x.GetType().ToString())
+				{
+					Error(CompilerErrorFactory.CustomError("BCE9900 - Could not find win32 icon file '" + Parameters.Win32IconFile + "'."));
+					return;
+				}
+				else					
+				{
+					Error(CompilerErrorFactory.CustomError("BCE9910 - " + x.Message + "."));
+					return;
+				}
+			}
+		}	
 	}
 }
Index: src/Boo.Lang.Compiler/CompilerParameters.cs
===================================================================
--- src/Boo.Lang.Compiler/CompilerParameters.cs	(revision 2030)
+++ src/Boo.Lang.Compiler/CompilerParameters.cs	(working copy)
@@ -58,7 +58,9 @@
 		
 		bool _ducky;
 		
-		bool _generateInMemory;
+		bool _generateInMemory;
+		
+		string _win32IconFile;
 		
 		public readonly TraceSwitch TraceSwitch = new TraceSwitch("booc", "boo compiler");
 
@@ -77,7 +79,8 @@
 			_outputType = CompilerOutputType.ConsoleApplication;
 			_outputWriter = System.Console.Out;
 			_debug = true;
-			_generateInMemory = true;
+			_generateInMemory = true;
+			_win32IconFile = string.Empty;
 		}
 
 		/// <summary>
@@ -244,6 +247,20 @@
 			{
 				_ducky = value;
 			}
-		}
+		}
+		
+		public string Win32IconFile
+		{
+			get
+			{
+				return _win32IconFile;	
+			}
+			
+			set
+			{
+				_win32IconFile = value;
+			}
+		}	
+		
 	}
 }