extern const char cpp_GCC_INCLUDE_DIR[];
extern const size_t cpp_GCC_INCLUDE_DIR_len;
+extern const char cpp_PREFIX[];
+extern const size_t cpp_PREFIX_len;
+extern const char *gcc_exec_prefix;
+
+/* Return true if the toolchain is relocated. */
+bool cpp_relocated (void);
+
#endif /* ! GCC_CPPDEFAULT_H */