Imported Upstream version 4.2.0.179

Former-commit-id: 4610231f55806d2a05ed69e5ff3faa7336cc1479

mcs/class/Microsoft.Build.Utilities/Makefile

@@ -8,6 +8,7 @@ include $(XBUILD_DIR)/xbuild.make
 LIBRARY = Microsoft.Build.Utilities.dll
 LIBRARY_NAME = Microsoft.Build.Utilities$(NAME_SUFFIX).dll
 
+LIB_REFS = System System.Core System.Xml
 LIB_MCS_FLAGS = \
 	/r:$(corlib)				\
 	/r:System.dll				\

mcs/class/Microsoft.Build.Utilities/Microsoft.Build.Utilities/ToolTask.cs

@@ -512,7 +512,6 @@ namespace Microsoft.Build.Utilities
 			canceled.Set ();
 		}
 
-#if XBUILD_12
 		protected MessageImportance StandardErrorImportanceToUse {
 			get {
 				return MessageImportance.Normal;
@@ -527,6 +526,5 @@ namespace Microsoft.Build.Utilities
 
 		public bool LogStandardErrorAsError { get; set; }
 		public string StandardOutputImportance { get; set; }
-#endif
 	}
 }