File content as of revision 166:33361e55dd8c:

/** \addtogroup platform */
/** @{*/
/* mbed Microcontroller Library
 * Copyright (c) 2006-2013 ARM Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#ifndef MBED_OLD_TOOLCHAIN_H
#define MBED_OLD_TOOLCHAIN_H

#warning toolchain.h has been replaced by mbed_toolchain.h, please update to mbed_toolchain.h [since mbed-os-5.3]
#include "platform/mbed_toolchain.h"

#endif