[VS Addin] Disable PNaCl adding tests until newer SDK is available

visual_studio/NativeClientVSAddIn/NaCl.Build.CPPTasks/NaClCompile.cs

Index: visual_studio/NativeClientVSAddIn/NaCl.Build.CPPTasks/NaClCompile.cs
diff --git a/visual_studio/NativeClientVSAddIn/NaCl.Build.CPPTasks/NaClCompile.cs b/visual_studio/NativeClientVSAddIn/NaCl.Build.CPPTasks/NaClCompile.cs
index cb4da6604103f6a73e09cb5aa98298bcb7dafb47..b213eb9cc7f9843689353d6ac7cfc38c04624c63 100644
--- a/visual_studio/NativeClientVSAddIn/NaCl.Build.CPPTasks/NaClCompile.cs
+++ b/visual_studio/NativeClientVSAddIn/NaCl.Build.CPPTasks/NaClCompile.cs
@@ -263,11 +263,27 @@ namespace NaCl.Build.CPPTasks
         {
             if (Platform.Equals("pnacl", StringComparison.OrdinalIgnoreCase))
             {
-                if (!GCCUtilities.FindPython())
+                if (!SDKUtilities.FindPython())
                 {
                     Log.LogError("PNaCl compilation requires python in your executable path.");
                     return -1;
                 }
+
+                // The SDK root is five levels up from the compiler binary.
+                string sdkroot = Path.GetDirectoryName(Path.GetDirectoryName(pathToTool));
+                sdkroot = Path.GetDirectoryName(Path.GetDirectoryName(sdkroot));
+                sdkroot = Path.GetDirectoryName(sdkroot);
+
+                int revision;
+                int version = SDKUtilities.GetSDKVersion(sdkroot, out revision);
+                if (revision < SDKUtilities.MinPNaCLSDKVersion)
+                {
+                    Log.LogError("The configured version of the NaCl SDK ({0} r{1}) is too old " +
+                                 "for building PNaCl projects.\n" +
+                                 "Please install at least 24 r{2} using the naclsdk command " +
+                                 "line tool.", version, revision, SDKUtilities.MinPNaCLSDKVersion);
+                    return -1;
+                }
             }
 
             // If multiprocess complication is enabled (not the VS default)

[binji, 2012/10/31 06:36:22]

sp: compilation

@@ -276,7 +292,7 @@ namespace NaCl.Build.CPPTasks
             // gcc
             if (MultiProcessorCompilation && ProcessorNumber != 1)
             {
-                if (!GCCUtilities.FindPython())
+                if (!SDKUtilities.FindPython())
                 {
                     MessageBox.Show("Multi-processor Compilation with NaCl requires that python " +

[binji, 2012/10/31 06:36:22]

maybe this should be Log.LogError like above?

                                     "be available in the visual studio executable path.\n" +