diff --git a/include/ChangeLog b/include/ChangeLog
index 8b89d97be..305754fec 100644
--- a/include/ChangeLog
+++ b/include/ChangeLog
@@ -1,3 +1,8 @@
+2001-06-13  Andrew Cagney  <ac131313@redhat.com>
+
+	* libiberty.h (lbasename): Change function declaration to return a
+	const char pointer.
+
 2001-08-10  Richard Sandiford  <rsandifo@redhat.com>
 
 	* opcode/mips.h (INSN_GP32): Remove.
diff --git a/include/libiberty.h b/include/libiberty.h
index effe5f628..8d46e375e 100644
--- a/include/libiberty.h
+++ b/include/libiberty.h
@@ -83,7 +83,7 @@ extern char *basename ();
 
 /* A well-defined basename () that is always compiled in.  */
 
-extern char *lbasename PARAMS ((const char *));
+extern const char *lbasename PARAMS ((const char *));
 
 /* Concatenate an arbitrary number of strings, up to (char *) NULL.
    Allocates memory using xmalloc.  */