Added ikvmc -warnaserror option (which turns all warnings into errors, as opposed to the already existing option -warnaserror: to turn specific warnings into errors).

ikvmc/Compiler.cs

@@ -330,8 +330,8 @@ class IkvmcCompiler
 		Console.Error.WriteLine("    -privatepackage:<prefix>   Mark all classes with a package name starting");
 		Console.Error.WriteLine("                               with <prefix> as internal to the assembly");
 		Console.Error.WriteLine("    -nowarn:<warning[:key]>    Suppress specified warnings");
-		Console.Error.WriteLine("    -warnaserror:<warning[:key]>");
-		Console.Error.WriteLine("                               Treat specified warnings as errors");
+		Console.Error.WriteLine("    -warnaserror[:<warning[:key]>]");
+		Console.Error.WriteLine("                               Treat (specified) warnings as errors");
 		Console.Error.WriteLine("    -writeSuppressWarningsFile:<file>");
 		Console.Error.WriteLine("                               Write response file with -nowarn:<warning[:key]>");
 		Console.Error.WriteLine("                               options to suppress all encountered warnings");
@@ -699,6 +699,10 @@ class IkvmcCompiler
 						options.suppressWarnings[ws] = ws;
 					}
 				}
+				else if(s == "-warnaserror")
+				{
+					options.warnaserror = true;
+				}
 				else if(s.StartsWith("-warnaserror:"))
 				{
 					foreach(string w in s.Substring(13).Split(','))

ikvmc/CompilerClassLoader.cs

@@ -3318,7 +3318,8 @@ namespace IKVM.Internal
 		internal long baseAddress;
 		internal List<CompilerClassLoader> sharedclassloader; // should *not* be deep copied in Copy(), because we want the list of all compilers that share a class loader
 		internal Dictionary<string, string> suppressWarnings = new Dictionary<string, string>();
-		internal Dictionary<string, string> errorWarnings = new Dictionary<string, string>();
+		internal Dictionary<string, string> errorWarnings = new Dictionary<string, string>();	// treat specific warnings as errors
+		internal bool warnaserror; // treat all warnings as errors
 		internal string writeSuppressWarningsFile;
 		internal List<string> proxies = new List<string>();
 
@@ -3624,9 +3625,14 @@ namespace IKVM.Internal
 					throw new InvalidProgramException();
 			}
 			bool error = msgId >= Message.StartErrors
+				|| options.warnaserror
 				|| options.errorWarnings.ContainsKey(key)
 				|| options.errorWarnings.ContainsKey(((int)msgId).ToString());
 			Console.Error.Write("{0} IKVMC{1:D4}: ", error ? "Error" : msgId < Message.StartWarnings ? "Note" : "Warning", (int)msgId);
+			if (error && msgId < Message.StartErrors)
+			{
+				Console.Error.Write("Warning as Error: ");
+			}
 			Console.Error.WriteLine(msg, values);
 			if(options != toplevel && options.path != null)
 			{