diff -urN mono-4.0.1.org/mcs/tools/xbuild/targets/Microsoft.Portable.VisualBasic_4.0.targets mono-4.0.1/mcs/tools/xbuild/targets/Microsoft.Portable.VisualBasic_4.0.targets
--- mono-4.0.1.org/mcs/tools/xbuild/targets/Microsoft.Portable.VisualBasic_4.0.targets	1970-01-01 01:00:00.000000000 +0100
+++ mono-4.0.1/mcs/tools/xbuild/targets/Microsoft.Portable.VisualBasic_4.0.targets	2015-05-16 12:51:51.289208234 +0100
@@ -0,0 +1,5 @@
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+	<Import Project="..\Microsoft.Portable.Core.props" />
+	<Import Project="$(MSBuildToolsPath)\Microsoft.VisualBasic.targets" />
+	<Import Project="..\Microsoft.Portable.Core.targets" />
+</Project>
diff -urN mono-4.0.1.org/mcs/tools/xbuild/targets/Microsoft.Portable.VisualBasic_4.5.targets mono-4.0.1/mcs/tools/xbuild/targets/Microsoft.Portable.VisualBasic_4.5.targets
--- mono-4.0.1.org/mcs/tools/xbuild/targets/Microsoft.Portable.VisualBasic_4.5.targets	1970-01-01 01:00:00.000000000 +0100
+++ mono-4.0.1/mcs/tools/xbuild/targets/Microsoft.Portable.VisualBasic_4.5.targets	2015-05-16 12:51:41.773208101 +0100
@@ -0,0 +1,5 @@
+<Project xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+	<Import Project="..\Microsoft.Portable.Core.props" />
+	<Import Project="$(MSBuildToolsPath)\Microsoft.VisualBasic.targets" />
+	<Import Project="..\Microsoft.Portable.Core.targets" />
+</Project>