[求助]定义位域的时候出现警告：C1106

位域, 定义, 警告, 求助

WARNING C1106: Non-standard bitfield type

Make的时候出现，然后再Make一次就没有了。Compile也没有，好奇怪。还有Make和Compile的区别？谢谢，我的定义代码如下

typedef union
{
unsigned char Byte;

struct
{
unsigned char bit0 :1;
unsigned char bit1 :1;
unsigned char bit2 :1;
unsigned char bit3 :1;
unsigned char bit4 :1;
unsigned char bit5 :1;
unsigned char bit6 :1;
unsigned char bit7 :1;
} Bits;
} BitField;

extern volatile BitField _FLAG;
#define FLAG _FLAG.Byte
#define FLAG_FLAG0 _FLAG.Bits.bit0
#define FLAG_FLAG1 _FLAG.Bits.bit1
#define FLAG_FLAG2 _FLAG.Bits.bit2
#define FLAG_FLAG3 _FLAG.Bits.bit3
#define FLAG_FLAG4 _FLAG.Bits.bit4
#define FLAG_FLAG5 _FLAG.Bits.bit5
#define FLAG_FLAG6 _FLAG.Bits.bit6
#define FLAG_FLAG7 _FLAG.Bits.bit7

extern volatile BitField _FLAG1;
#define FLAG1 _FLAG1.Byte
#define FLAG1_FLAG0 _FLAG1.Bits.bit0
#define FLAG1_FLAG1 _FLAG1.Bits.bit1
#define FLAG1_FLAG2 _FLAG1.Bits.bit2
#define FLAG1_FLAG3 _FLAG1.Bits.bit3
#define FLAG1_FLAG4 _FLAG1.Bits.bit4
#define FLAG1_FLAG5 _FLAG1.Bits.bit5
#define FLAG1_FLAG6 _FLAG1.Bits.bit6
#define FLAG1_FLAG7 _FLAG1.Bits.bit7

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