Merge pull request #2338 from BogdanovKirill/httpwritefix3

[mono.git] / mcs / class / Microsoft.Build.Tasks / Microsoft.Build.Tasks / AssignProjectConfiguration.cs

diff --git a/mcs/class/Microsoft.Build.Tasks/Microsoft.Build.Tasks/AssignProjectConfiguration.cs b/mcs/class/Microsoft.Build.Tasks/Microsoft.Build.Tasks/AssignProjectConfiguration.cs
index 789af4762ae9dcc420eb0a44637bee260a9f96e3..6fd7954ab42c949f141c90ef3aeeec886a16c22d 100644 (file)
--- a/mcs/class/Microsoft.Build.Tasks/Microsoft.Build.Tasks/AssignProjectConfiguration.cs
+++ b/mcs/class/Microsoft.Build.Tasks/Microsoft.Build.Tasks/AssignProjectConfiguration.cs
@@ -87,14 +87,15 @@ namespace Microsoft.Build.Tasks {
                                string config;
 
                                string guid_str = item.GetMetadata ("Project");
-                               Guid guid;
-                               if (!TryParseGuid (guid_str, out guid)) {
+
+                               Guid guid = Guid.Empty;
+                               if (!string.IsNullOrEmpty(guid_str) && !TryParseGuid (guid_str, out guid)) {
                                        Log.LogError ("Project reference '{0}' has invalid or missing guid for metadata 'Project'.",
                                                        item.ItemSpec);
                                        return false;
                                }
 
-                               if (guidToConfigPlatform.TryGetValue (guid, out config)) {
+                               if (guid != Guid.Empty && guidToConfigPlatform.TryGetValue (guid, out config)) {
                                        string [] parts = config.Split (new char [] {'|'}, 2);
 
                                        ITaskItem new_item = new TaskItem (item);