[xbuild]: Provide diagnostic logging of all executed targets.

1 files changed, 11 insertions, 3 deletions

diff --git a/mcs/class/Microsoft.Build.Engine/Microsoft.Build.BuildEngine/Target.cs b/mcs/class/Microsoft.Build.Engine/Microsoft.Build.BuildEngine/Target.cs
index 250c7942bd1..d0011305399 100644
--- a/mcs/class/Microsoft.Build.Engine/Microsoft.Build.BuildEngine/Target.cs
+++ b/mcs/class/Microsoft.Build.Engine/Microsoft.Build.BuildEngine/Target.cs
@@ -128,15 +128,23 @@ namespace Microsoft.Build.BuildEngine {
 		internal bool Build (string built_targets_key)
 		{
 			bool executeOnErrors;
-			return Build (built_targets_key, out executeOnErrors);
+			return Build (built_targets_key, null, out executeOnErrors);
 		}
 
-		bool Build (string built_targets_key, out bool executeOnErrors)
+		bool Build (string built_targets_key, string parentTarget, out bool executeOnErrors)
 		{
+			string message;
+			if (parentTarget != null)
+				message = string.Format ("\"{0}\" in project \"{1}\" (\"{2}\"); \"{3}\" depends on it", Name, project.FullFileName, TargetFile, parentTarget);
+			else
+				message = string.Format ("\"{0}\" in project \"{1}\" (\"{2}\")", Name, project.FullFileName, TargetFile);
+
 			project.PushThisFileProperty (TargetFile);
 			try {
+				LogMessage (MessageImportance.Low, "Building target {0}.", message);
 				return BuildActual (built_targets_key, out executeOnErrors);
 			} finally {
+				LogMessage (MessageImportance.Low, "Done building target {0}.", message);
 				project.PopThisFileProperty ();
 			}
 		}
@@ -256,7 +264,7 @@ namespace Microsoft.Build.BuildEngine {
 				}
 
 				if (t.BuildState == BuildState.NotStarted)
-					if (!t.Build (null, out executeOnErrors))
+					if (!t.Build (null, Name, out executeOnErrors))
 						return false;
 
 				if (t.BuildState == BuildState.Started)