#if defined(_MSC_VER)#define NORESOURCE //RT_VESRION in winuser.h#define _CRT_ERRNO_DEFINED //errno macro redefinition#define _INC_WTIME_INL//dfs_elm.c time.h conflicts with wtime.inl#define _INC_TIME_INL //dfs_elm.c time.h conflicts with wtime.inl/* disable some warning in MSC */#pragma warning(disable:4273) /* to ignore: warning C4273: inconsistent dll linkage */#pragma warning(disable:4312) /* to ignore: warning C4312: 'type cast' : conversion from 'rt_uint32_t' to 'rt_uint32_t *' */#pragma warning(disable:4311) /* to ignore: warning C4311: 'type cast' : pointer truncation from 'short *__w64 ' to 'long' */#pragma warning(disable:4996) /* to ignore: warning C4996: The POSIX name for this item is deprecated. */#pragma warning(disable:4267) /* to ignore: warning C4267: conversion from 'size_t' to 'rt_size_t', possible loss of data */#pragma warning(disable:4244) /* to ignore: warning C4244: '=' : conversion from '__w64 int' to 'rt_size_t', possible loss of data */#elif defined(__GNUC__)#define RT_USING_NOLIBC#endif /* end of _MSC_VER */#endif