查看交叉编译器的默认选项

1. 新建C文件mfloat.c

#include <stdio.h> 

int main(void) 
{ 
    double a,b,c;
    a = 23.5436;
    b = 323.2348;
    c = b/a;
    printf("the result = %f\n", c);
    printf("hello world !\n");
    return 0;
}

2. 是 -v 选项

 3. 显示结果如下