diff --git a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/core/ITool.java b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/core/ITool.java
index d147b9a802d..c6be9280f37 100644
--- a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/core/ITool.java
+++ b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/core/ITool.java
@@ -91,6 +91,13 @@ public interface ITool extends IBuildObject {
 	 */
 	public IOption[] getOptions();
 	
+	/**
+	 * Answers all of the output extensions that the receiver can build.
+	 * 
+	 * @return <code>String[]</code> of extensions
+	 */
+	public String[] getOutputExtensions();
+	
 	/**
 	 * Answer the output extension the receiver will create from the input, 
 	 * or <code>null</code> if the tool does not understand that extension.
diff --git a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/Tool.java b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/Tool.java
index 8edae32748b..26e7f3cae71 100644
--- a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/Tool.java
+++ b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/Tool.java
@@ -48,7 +48,7 @@ public class Tool extends BuildObject implements ITool, IOptionCategory {
 	private int natureFilter;
 	private Vector optionList;
 	private Map optionMap;
-	private String outputExtension;
+	private String outputExtensions;
 	private String outputFlag;
 	private String outputPrefix;
 	private boolean resolved = true;
@@ -373,6 +373,13 @@ public class Tool extends BuildObject implements ITool, IOptionCategory {
 		return (IOptionCategory)getCategoryMap().get(id);
 	}
 
+	/* (non-Javadoc)
+	 * @see org.eclipse.cdt.managedbuilder.core.ITool#getOutputExtensions()
+	 */
+	public String[] getOutputExtensions() {
+		return outputExtensions.split(DEFAULT_SEPARATOR);
+	}
+	
 	/* (non-Javadoc)
 	 * @see org.eclipse.cdt.core.build.managed.ITool#getOutput(java.lang.String)
 	 */
@@ -381,7 +388,7 @@ public class Tool extends BuildObject implements ITool, IOptionCategory {
 		ListIterator iter = getInputExtensions().listIterator();
 		while (iter.hasNext()) {
 			if (((String)iter.next()).equals(inputExtension)) {
-				return outputExtension;
+				return outputExtensions;
 			}
 		}
 		return null;
@@ -445,7 +452,7 @@ public class Tool extends BuildObject implements ITool, IOptionCategory {
 		}
 		
 		// Get the output extension
-		outputExtension = element.getAttribute(ITool.OUTPUTS) == null ? 
+		outputExtensions = element.getAttribute(ITool.OUTPUTS) == null ? 
 			new String() : 
 			element.getAttribute(ITool.OUTPUTS);
 			
@@ -484,7 +491,7 @@ public class Tool extends BuildObject implements ITool, IOptionCategory {
 	 * @see org.eclipse.cdt.core.build.managed.ITool#producesFileType(java.lang.String)
 	 */
 	public boolean producesFileType(String outputExtension) {
-		return this.outputExtension.equals(outputExtension);
+		return this.outputExtensions.equals(outputExtension);
 	}
 
 	/**
diff --git a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/ToolReference.java b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/ToolReference.java
index d7e7af24d41..1a8c036c008 100644
--- a/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/ToolReference.java
+++ b/build/org.eclipse.cdt.managedbuilder.core/src/org/eclipse/cdt/managedbuilder/internal/core/ToolReference.java
@@ -157,6 +157,17 @@ public class ToolReference implements IToolReference {
 		command = parent.getToolCommand();
 		outputFlag = parent.getOutputFlag();
 		outputPrefix = parent.getOutputPrefix();
+		String[] extensions = parent.getOutputExtensions();
+		if (extensions != null) {
+			outputExtensions = new String();
+			for (int index = 0; index < extensions.length; ++index) {
+				if (extensions[index] == null) continue;
+				outputExtensions += extensions[index];
+				if (index < extensions.length - 1) {
+					outputExtensions += DEFAULT_SEPARATOR;
+				}
+			}
+		}
 		
 		if (owner instanceof Configuration) {
 			((Configuration)owner).addToolReference(this);
@@ -481,6 +492,14 @@ public class ToolReference implements IToolReference {
 		return options;
 	}
 
+	/* (non-Javadoc)
+	 * @see org.eclipse.cdt.managedbuilder.core.ITool#getOutputExtensions()
+	 */
+	public String[] getOutputExtensions() {
+		return outputExtensions.split(DEFAULT_SEPARATOR);
+	}
+	
+
 	/* (non-Javadoc)
 	 * @see org.eclipse.cdt.managedbuilder.core.ITool#getOutputExtension(java.lang.String)
 	 */