diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ILinkage.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ILinkage.java
index c3b132bc9a2..91ef4bdeb73 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ILinkage.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/core/dom/ILinkage.java
@@ -23,12 +23,25 @@ public interface ILinkage {
 	final static String C_LINKAGE_NAME= "C"; //$NON-NLS-1$
 	final static String CPP_LINKAGE_NAME= "C++"; //$NON-NLS-1$
 	final static String FORTRAN_LINKAGE_NAME= "Fortran"; //$NON-NLS-1$
+	/**
+	 * @since 5.1
+	 */
+	final static String OBJC_LINKAGE_NAME= "Objective-C"; //$NON-NLS-1$
 
 	final static int NO_LINKAGE_ID= 0;
 	final static int CPP_LINKAGE_ID= 1;
 	final static int C_LINKAGE_ID= 2;
 	final static int FORTRAN_LINKAGE_ID= 3;
+	/**
+	 * @since 5.1
+	 */
+	final static int OBJC_LINKAGE_ID= 4;
+
 	
+	/**
+	 * Additional linkage ids may be added in future.
+	 */
+	@Deprecated
 	final static int MAX_LINKAGE_ID= FORTRAN_LINKAGE_ID;
 
 	/**
diff --git a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/Linkage.java b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/Linkage.java
index 3e7fb405d4f..fa25c7fbd8c 100644
--- a/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/Linkage.java
+++ b/core/org.eclipse.cdt.core/parser/org/eclipse/cdt/internal/core/dom/Linkage.java
@@ -20,8 +20,9 @@ public class Linkage implements ILinkage {
 	public static final ILinkage C_LINKAGE = new Linkage(C_LINKAGE_ID, C_LINKAGE_NAME);
 	public static final ILinkage CPP_LINKAGE = new Linkage(CPP_LINKAGE_ID, CPP_LINKAGE_NAME);
 	public static final ILinkage FORTRAN_LINKAGE = new Linkage(FORTRAN_LINKAGE_ID, FORTRAN_LINKAGE_NAME);
+	public static final ILinkage OBJC_LINKAGE = new Linkage(OBJC_LINKAGE_ID, OBJC_LINKAGE_NAME);
 	
-	private static final ILinkage[] LINKAGES= {C_LINKAGE, CPP_LINKAGE, FORTRAN_LINKAGE};
+	private static final ILinkage[] LINKAGES= {C_LINKAGE, CPP_LINKAGE, FORTRAN_LINKAGE, OBJC_LINKAGE};
 	
 	public static final ILinkage[] getAllLinkages() {
 		return LINKAGES;
@@ -33,6 +34,7 @@ public class Linkage implements ILinkage {
 		case C_LINKAGE_ID: return C_LINKAGE_NAME;
 		case CPP_LINKAGE_ID: return CPP_LINKAGE_NAME;
 		case FORTRAN_LINKAGE_ID: return FORTRAN_LINKAGE_NAME;
+		case OBJC_LINKAGE_ID: return OBJC_LINKAGE_NAME;
 		}
 		throw new CoreException(CCorePlugin.createStatus("Unsupported linkage id: " + linkageID)); //$NON-NLS-1$
 	}