Tool-chain modification fixes

build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/core/ManagedBuildManager.java

@@ -18,6 +18,7 @@ import java.net.URL;
 import java.util.ArrayList;
 import java.util.Arrays;
 import java.util.Collection;
+import java.util.Collections;
 import java.util.HashMap;
 import java.util.HashSet;
 import java.util.Iterator;
@@ -3978,6 +3979,10 @@ public class ManagedBuildManager extends AbstractCExtension implements IScannerI
 			list.add(p);
 			p.setIdenticalList(list);
 		}
+		
+		for(Iterator iter = map.values().iterator(); iter.hasNext();){
+			Collections.sort((List)iter.next());
+		}
 		return map;
 	}
 	

build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/Builder.java

@@ -2417,4 +2417,19 @@ public class Builder extends BuildObject implements IBuilder, IMatchKeyProvider
 			outputEntries = null;
 	}
 	
+	private int getSuperClassNum(){
+		int num = 0;
+		for(IBuilder superTool = getSuperClass(); superTool != null; superTool = superTool.getSuperClass()){
+			num++;
+		}
+		return num;
+	}
+
+	public int compareTo(Object o) {
+		Builder other = (Builder)o;
+		if(other.isSystemObject() != isSystemObject())
+			return isSystemObject() ? 1 : -1;
+		
+		return getSuperClassNum() - other.getSuperClassNum();
+	}
 }

build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/IMatchKeyProvider.java

@@ -12,7 +12,7 @@ package org.eclipse.cdt.managedbuilder.internal.core;
 
 import java.util.List;
 
-public interface IMatchKeyProvider {
+public interface IMatchKeyProvider extends Comparable {
 	Object getMatchKey();
 	
 	void setIdenticalList(List list);

build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/Tool.java

@@ -4082,4 +4082,20 @@ public class Tool extends HoldsOptions implements ITool, IOptionCategory, IMatch
 			}
 		}
 	}
+	
+	private int getSuperClassNum(){
+		int num = 0;
+		for(ITool superTool = getSuperClass(); superTool != null; superTool = superTool.getSuperClass()){
+			num++;
+		}
+		return num;
+	}
+
+	public int compareTo(Object o) {
+		Tool other = (Tool)o;
+		if(other.isSystemObject() != isSystemObject())
+			return isSystemObject() ? 1 : -1;
+		
+		return getSuperClassNum() - other.getSuperClassNum();
+	}
 }

build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/ToolChain.java

@@ -2657,4 +2657,20 @@ public class ToolChain extends HoldsOptions implements IToolChain, IBuildPropert
 		}
 		return false;
 	}
+	
+	private int getSuperClassNum(){
+		int num = 0;
+		for(IToolChain superTool = getSuperClass(); superTool != null; superTool = superTool.getSuperClass()){
+			num++;
+		}
+		return num;
+	}
+
+	public int compareTo(Object o) {
+		ToolChain other = (ToolChain)o;
+		if(other.isSystemObject() != isSystemObject())
+			return isSystemObject() ? 1 : -1;
+		
+		return getSuperClassNum() - other.getSuperClassNum();
+	}
 }