#ifndef __AP_HAL_MACROS_H__ #define __AP_HAL_MACROS_H__ /* macros to allow code to build on multiple platforms more easily */ #ifdef __GNUC__ #define WARN_IF_UNUSED __attribute__ ((warn_unused_result)) #else #define WARN_IF_UNUSED #endif // use this to avoid issues between C++11 with NuttX and C++10 on // other platforms. #if !(defined(__GXX_EXPERIMENTAL_CXX0X__) || __cplusplus >= 201103L) # define constexpr const #endif #endif // __AP_HAL_MACROS_H__