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diff --git a/gcc/cppdefault.h b/gcc/cppdefault.h
index 149b418b2be..657c4abce21 100644
--- a/gcc/cppdefault.h
+++ b/gcc/cppdefault.h
@@ -1,23 +1,23 @@
 /* CPP Library.
    Copyright (C) 1986, 1987, 1989, 1992, 1993, 1994, 1995, 1996, 1997, 1998,
-   1999, 2000, 2003, 2004 Free Software Foundation, Inc.
+   1999, 2000, 2003, 2004, 2006, 2007 Free Software Foundation, Inc.
    Contributed by Per Bothner, 1994-95.
    Based on CCCP program by Paul Rubin, June 1986
    Adapted to ANSI C, Richard Stallman, Jan 1987
 
-This program is free software; you can redistribute it and/or modify it
-under the terms of the GNU General Public License as published by the
-Free Software Foundation; either version 2, or (at your option) any
-later version.
+   This program is free software; you can redistribute it and/or modify it
+   under the terms of the GNU General Public License as published by the
+   Free Software Foundation; either version 3, or (at your option) any
+   later version.
 
-This program is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-GNU General Public License for more details.
+   This program is distributed in the hope that it will be useful,
+   but WITHOUT ANY WARRANTY; without even the implied warranty of
+   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+   GNU General Public License for more details.
 
-You should have received a copy of the GNU General Public License
-along with this program; if not, write to the Free Software
-Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
+   You should have received a copy of the GNU General Public License
+   along with this program; see the file COPYING3.  If not see
+   <http://www.gnu.org/licenses/>.  */
 
 #ifndef GCC_CPPDEFAULT_H
 #define GCC_CPPDEFAULT_H
@@ -43,10 +43,28 @@ struct default_include
 				   C++.  */
   const char add_sysroot;	/* FNAME should be prefixed by
 				   cpp_SYSROOT.  */
+  const char multilib;		/* FNAME should have the multilib path
+				   specified with -imultilib
+				   appended.  */
 };
 
 extern const struct default_include cpp_include_defaults[];
 extern const char cpp_GCC_INCLUDE_DIR[];
 extern const size_t cpp_GCC_INCLUDE_DIR_len;
 
+/* The configure-time prefix, i.e., the value supplied as the argument
+   to --prefix=.  */
+extern const char cpp_PREFIX[];
+/* The length of the configure-time prefix.  */
+extern const size_t cpp_PREFIX_len;
+/* The configure-time execution prefix.  This is typically the lib/gcc
+   subdirectory of cpp_PREFIX.  */
+extern const char cpp_EXEC_PREFIX[];
+/* The run-time execution prefix.  This is typically the lib/gcc
+   subdirectory of the actual installation.  */
+extern const char *gcc_exec_prefix;
+
+/* Return true if the toolchain is relocated.  */
+bool cpp_relocated (void);
+
 #endif /* ! GCC_CPPDEFAULT_H */