直接编译错误
1。loginutils/passwd.c:93:16: error: storage size of ‘rlimit_fsize’ isn’t known
解决方法：在busybox根目录下查找到文件：find -name libbb.h
在libbb.h中添加#include <sys/resource.h>
1。Makefile
Makefile:431: *** mixed implicit and normal rules: deprecated syntax
Makefile:1279: *** mixed implicit and normal rules: deprecated syntax
make: *** No rule to make target 'defconfig'. Stop.
（1）config %config: scripts_basic outputmakefile FORCE
改为：%config: scripts_basic outputmakefile FORCE
（2）/ %/: prepare scripts FORCE
改为：%/: prepare scripts FORCE
