Fixes #9393, allow option to remove the com, org and net namespaces t…

…hat rhino creates by default, but have the option be false by default -- it could cause havoc in a rhino-based server side system that uses the build code.

buildscripts/build.js

@@ -13,6 +13,15 @@ load(buildScriptsPath + "jslib/i18nUtil.js");
 //Convert arguments to keyword arguments.
 var kwArgs = buildUtil.makeBuildOptions(arguments);
 
+//Remove the default namespaces that are created by Rhino, but only
+//if asked to -- it has bad consequences if the build system is used
+//with other rhino-based server-side code.
+if(kwArgs.removeDefaultNameSpaces){
+	delete com;
+	delete net;
+	delete org;
+}
+
 //Set logging level.
 logger.level = kwArgs["log"];
 

buildscripts/jslib/buildUtil.js

@@ -162,6 +162,12 @@ buildUtil.DojoBuildOptions = {
 		defaultValue: "default",
 		helpText: "Select a DOM query engine. Default value is the normal dojo.query engine. Using query=sizzle will use the Sizzle engine."
 			+ "Normal Dojo tests are not run routinely with the Sizzle engine. See dojo/_base/sizzle.js for the version of Sizzle."
+	},
+	"removeDefaultNameSpaces": {
+		defaultValue: false,
+		helpText: "Removes the default 'com', 'org' and 'net' namespaces that are present in Rhino. This is hazardous to use if "
+			+ "the build system is used as part of a Rhino-based server-side solution, so use with caution. Weird build errors "
+			+ "might occur. Only use if your own code includes things in a com, org or net namespace."
 	}
 };