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RIOT/cpu/esp32/include/newlib.h

48 lines
935 B
C

/*
* Copyright (C) 2022 Gunar Schorcht
*
* This file is subject to the terms and conditions of the GNU Lesser
* General Public License v2.1. See the file LICENSE in the top level
* directory for more details.
*/
/**
* @ingroup cpu_esp32
* @{
*
* @file
* @brief Wrapper for sys/features.h
*
* @author Gunar Schorcht <gunar@schorcht.net>
*
* This file is just a wrapper for `newlib.h` to define `_NANO_FORMATTED_IO`
* correctly if the `newlib_nano` module is used. In difference to other
* toolchains, ESP32x toolchains don't use different `newlib.h` versions.
*/
#ifndef NEWLIB_H
#define NEWLIB_H
#include "kernel_defines.h"
#ifndef DOXYGEN
#if IS_USED(MODULE_NEWLIB_NANO)
/* newlib nano formatted io is used */
#define _NANO_FORMATTED_IO 1
#endif
#include_next <newlib.h>
#ifdef __cplusplus
extern "C" {
#endif
#ifdef __cplusplus
}
#endif
#endif /* DOXYGEN */
#endif /* NEWLIB_H */
/** @} */